diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 17:31:16 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-15 16:43:09 -0300 |
commit | 2c3fb08b3f74b8792004095a1f6881a3296ff643 (patch) | |
tree | 19be9d09c4aa66d4363ee9d38a43721f5d6b144f /drivers/media/video/omap3isp | |
parent | 2a2d1cf46500ab7599d0b45ee837f3936763ccac (diff) | |
download | linux-2c3fb08b3f74b8792004095a1f6881a3296ff643.tar.gz linux-2c3fb08b3f74b8792004095a1f6881a3296ff643.tar.xz |
[media] rename drivers/media/video as .../platform
The remaining drivers are mostly platform drivers. Name the
dir to reflect it.
It makes sense to latter break it into a few other dirs.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/omap3isp')
31 files changed, 0 insertions, 20389 deletions
diff --git a/drivers/media/video/omap3isp/Makefile b/drivers/media/video/omap3isp/Makefile deleted file mode 100644 index e8847e79e31a..000000000000 --- a/drivers/media/video/omap3isp/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# Makefile for OMAP3 ISP driver - -ccflags-$(CONFIG_VIDEO_OMAP3_DEBUG) += -DDEBUG - -omap3-isp-objs += \ - isp.o ispqueue.o ispvideo.o \ - ispcsiphy.o ispccp2.o ispcsi2.o \ - ispccdc.o isppreview.o ispresizer.o \ - ispstat.o isph3a_aewb.o isph3a_af.o isphist.o - -obj-$(CONFIG_VIDEO_OMAP3) += omap3-isp.o diff --git a/drivers/media/video/omap3isp/cfa_coef_table.h b/drivers/media/video/omap3isp/cfa_coef_table.h deleted file mode 100644 index c84df0706f3e..000000000000 --- a/drivers/media/video/omap3isp/cfa_coef_table.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * cfa_coef_table.h - * - * TI OMAP3 ISP - CFA coefficients table - * - * Copyright (C) 2009-2010 Nokia Corporation - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -{ 244, 0, 247, 0, 12, 27, 36, 247, 250, 0, 27, 0, 4, 250, 12, 244, -248, 0, 0, 0, 0, 40, 0, 0, 244, 12, 250, 4, 0, 27, 0, 250, -247, 36, 27, 12, 0, 247, 0, 244, 0, 0, 40, 0, 0, 0, 0, 248, -244, 0, 247, 0, 12, 27, 36, 247, 250, 0, 27, 0, 4, 250, 12, 244, -248, 0, 0, 0, 0, 40, 0, 0, 244, 12, 250, 4, 0, 27, 0, 250, -247, 36, 27, 12, 0, 247, 0, 244, 0, 0, 40, 0, 0, 0, 0, 248, -244, 0, 247, 0, 12, 27, 36, 247, 250, 0, 27, 0, 4, 250, 12, 244, -248, 0, 0, 0, 0, 40, 0, 0, 244, 12, 250, 4, 0, 27, 0, 250, -247, 36, 27, 12, 0, 247, 0, 244, 0, 0, 40, 0, 0, 0, 0, 248 }, -{ 0, 247, 0, 244, 247, 36, 27, 12, 0, 27, 0, 250, 244, 12, 250, 4, - 0, 0, 0, 248, 0, 0, 40, 0, 4, 250, 12, 244, 250, 0, 27, 0, - 12, 27, 36, 247, 244, 0, 247, 0, 0, 40, 0, 0, 248, 0, 0, 0, - 0, 247, 0, 244, 247, 36, 27, 12, 0, 27, 0, 250, 244, 12, 250, 4, - 0, 0, 0, 248, 0, 0, 40, 0, 4, 250, 12, 244, 250, 0, 27, 0, - 12, 27, 36, 247, 244, 0, 247, 0, 0, 40, 0, 0, 248, 0, 0, 0, - 0, 247, 0, 244, 247, 36, 27, 12, 0, 27, 0, 250, 244, 12, 250, 4, - 0, 0, 0, 248, 0, 0, 40, 0, 4, 250, 12, 244, 250, 0, 27, 0, - 12, 27, 36, 247, 244, 0, 247, 0, 0, 40, 0, 0, 248, 0, 0, 0 }, -{ 4, 250, 12, 244, 250, 0, 27, 0, 12, 27, 36, 247, 244, 0, 247, 0, - 0, 0, 0, 248, 0, 0, 40, 0, 0, 247, 0, 244, 247, 36, 27, 12, - 0, 27, 0, 250, 244, 12, 250, 4, 0, 40, 0, 0, 248, 0, 0, 0, - 4, 250, 12, 244, 250, 0, 27, 0, 12, 27, 36, 247, 244, 0, 247, 0, - 0, 0, 0, 248, 0, 0, 40, 0, 0, 247, 0, 244, 247, 36, 27, 12, - 0, 27, 0, 250, 244, 12, 250, 4, 0, 40, 0, 0, 248, 0, 0, 0, - 4, 250, 12, 244, 250, 0, 27, 0, 12, 27, 36, 247, 244, 0, 247, 0, - 0, 0, 0, 248, 0, 0, 40, 0, 0, 247, 0, 244, 247, 36, 27, 12, - 0, 27, 0, 250, 244, 12, 250, 4, 0, 40, 0, 0, 248, 0, 0, 0 }, -{ 244,12, 250, 4, 0, 27, 0, 250, 247, 36, 27, 12, 0, 247, 0, 244, -248, 0, 0, 0, 0, 40, 0, 0, 244, 0, 247, 0, 12, 27, 36, 247, -250, 0, 27, 0, 4, 250, 12, 244, 0, 0, 40, 0, 0, 0, 0, 248, -244, 12, 250, 4, 0, 27, 0, 250, 247, 36, 27, 12, 0, 247, 0, 244, -248, 0, 0, 0, 0, 40, 0, 0, 244, 0, 247, 0, 12, 27, 36, 247, -250, 0, 27, 0, 4, 250, 12, 244, 0, 0, 40, 0, 0, 0, 0, 248, -244, 12, 250, 4, 0, 27, 0, 250, 247, 36, 27, 12, 0, 247, 0, 244, -248, 0, 0, 0, 0, 40, 0, 0, 244, 0, 247, 0, 12, 27, 36, 247, -250, 0, 27, 0, 4, 250, 12, 244, 0, 0, 40, 0, 0, 0, 0, 248 }, diff --git a/drivers/media/video/omap3isp/gamma_table.h b/drivers/media/video/omap3isp/gamma_table.h deleted file mode 100644 index 78deebf7d965..000000000000 --- a/drivers/media/video/omap3isp/gamma_table.h +++ /dev/null @@ -1,90 +0,0 @@ -/* - * gamma_table.h - * - * TI OMAP3 ISP - Default gamma table for all components - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - - 0, 0, 1, 2, 3, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, - 22, 23, 25, 26, 28, 29, 31, 32, 34, 35, 36, 37, 39, 40, 41, 42, - 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 52, 53, 54, 55, 56, 57, - 58, 59, 60, 61, 62, 63, 63, 64, 65, 66, 66, 67, 68, 69, 69, 70, - 71, 72, 72, 73, 74, 75, 75, 76, 77, 78, 78, 79, 80, 81, 81, 82, - 83, 84, 84, 85, 86, 87, 88, 88, 89, 90, 91, 91, 92, 93, 94, 94, - 95, 96, 97, 97, 98, 98, 99, 99, 100, 100, 101, 101, 102, 103, 104, 104, -105, 106, 107, 108, 108, 109, 110, 111, 111, 112, 113, 114, 114, 115, 116, 117, -117, 118, 119, 119, 120, 120, 121, 121, 122, 122, 123, 123, 124, 124, 125, 125, -126, 126, 127, 127, 128, 128, 129, 129, 130, 130, 131, 131, 132, 132, 133, 133, -134, 134, 135, 135, 136, 136, 137, 137, 138, 138, 139, 139, 140, 140, 141, 141, -142, 142, 143, 143, 144, 144, 145, 145, 146, 146, 147, 147, 148, 148, 149, 149, -150, 150, 151, 151, 152, 152, 153, 153, 153, 153, 154, 154, 154, 154, 155, 155, -156, 156, 157, 157, 158, 158, 158, 159, 159, 159, 160, 160, 160, 161, 161, 162, -162, 163, 163, 164, 164, 164, 164, 165, 165, 165, 165, 166, 166, 167, 167, 168, -168, 169, 169, 170, 170, 170, 170, 171, 171, 171, 171, 172, 172, 173, 173, 174, -174, 175, 175, 176, 176, 176, 176, 177, 177, 177, 177, 178, 178, 178, 178, 179, -179, 179, 179, 180, 180, 180, 180, 181, 181, 181, 181, 182, 182, 182, 182, 183, -183, 183, 183, 184, 184, 184, 184, 185, 185, 185, 185, 186, 186, 186, 186, 187, -187, 187, 187, 188, 188, 188, 188, 189, 189, 189, 189, 190, 190, 190, 190, 191, -191, 191, 191, 192, 192, 192, 192, 193, 193, 193, 193, 194, 194, 194, 194, 195, -195, 195, 195, 196, 196, 196, 196, 197, 197, 197, 197, 198, 198, 198, 198, 199, -199, 199, 199, 200, 200, 200, 200, 201, 201, 201, 201, 202, 202, 202, 203, 203, -203, 203, 204, 204, 204, 204, 205, 205, 205, 205, 206, 206, 206, 206, 207, 207, -207, 207, 208, 208, 208, 208, 209, 209, 209, 209, 210, 210, 210, 210, 210, 210, -210, 210, 210, 210, 210, 210, 211, 211, 211, 211, 211, 211, 211, 211, 211, 211, -211, 212, 212, 212, 212, 213, 213, 213, 213, 213, 213, 213, 213, 213, 213, 213, -213, 214, 214, 214, 214, 215, 215, 215, 215, 215, 215, 215, 215, 215, 215, 215, -216, 216, 216, 216, 217, 217, 217, 217, 218, 218, 218, 218, 219, 219, 219, 219, -219, 219, 219, 219, 219, 219, 219, 219, 220, 220, 220, 220, 221, 221, 221, 221, -221, 221, 221, 221, 221, 221, 221, 222, 222, 222, 222, 223, 223, 223, 223, 223, -223, 223, 223, 223, 223, 223, 223, 224, 224, 224, 224, 225, 225, 225, 225, 225, -225, 225, 225, 225, 225, 225, 225, 225, 225, 225, 225, 225, 225, 225, 226, 226, -226, 226, 227, 227, 227, 227, 227, 227, 227, 227, 227, 227, 227, 227, 228, 228, -228, 229, 229, 229, 229, 229, 229, 229, 229, 229, 229, 229, 229, 230, 230, 230, -230, 231, 231, 231, 231, 231, 231, 231, 231, 231, 231, 231, 231, 232, 232, 232, -232, 232, 232, 232, 232, 232, 232, 232, 232, 232, 232, 232, 232, 232, 232, 232, -233, 233, 233, 233, 234, 234, 234, 234, 234, 234, 234, 234, 234, 234, 234, 235, -235, 235, 235, 236, 236, 236, 236, 236, 236, 236, 236, 236, 236, 236, 236, 236, -236, 236, 236, 236, 236, 236, 237, 237, 237, 237, 238, 238, 238, 238, 238, 238, -238, 238, 238, 238, 238, 238, 238, 238, 238, 238, 238, 238, 238, 238, 238, 238, -238, 238, 238, 238, 238, 239, 239, 239, 239, 240, 240, 240, 240, 240, 240, 240, -240, 240, 240, 240, 240, 240, 240, 240, 240, 240, 240, 240, 240, 240, 240, 240, -240, 240, 240, 240, 241, 241, 241, 241, 242, 242, 242, 242, 242, 242, 242, 242, -242, 242, 242, 242, 242, 242, 242, 242, 242, 242, 242, 242, 242, 242, 242, 242, -242, 242, 243, 243, 243, 243, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, -244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, -244, 245, 245, 245, 245, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, -246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, 246, -246, 246, 246, 246, 246, 246, 246, 247, 247, 247, 247, 248, 248, 248, 248, 248, -248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, -248, 248, 248, 248, 248, 248, 249, 249, 249, 249, 250, 250, 250, 250, 250, 250, -250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, -250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, -250, 250, 250, 250, 251, 251, 251, 251, 252, 252, 252, 252, 252, 252, 252, 252, -252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, -252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, -252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, -252, 252, 252, 252, 252, 252, 252, 252, 253, 253, 253, 253, 253, 253, 253, 253, -253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, -253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, -253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, -253, 254, 254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, -255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, diff --git a/drivers/media/video/omap3isp/isp.c b/drivers/media/video/omap3isp/isp.c deleted file mode 100644 index e0096e07dbdc..000000000000 --- a/drivers/media/video/omap3isp/isp.c +++ /dev/null @@ -1,2241 +0,0 @@ -/* - * isp.c - * - * TI OMAP3 ISP - Core - * - * Copyright (C) 2006-2010 Nokia Corporation - * Copyright (C) 2007-2009 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * Contributors: - * Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * David Cohen <dacohen@gmail.com> - * Stanimir Varbanov <svarbanov@mm-sol.com> - * Vimarsh Zutshi <vimarsh.zutshi@gmail.com> - * Tuukka Toivonen <tuukkat76@gmail.com> - * Sergio Aguirre <saaguirre@ti.com> - * Antti Koskipaa <akoskipa@gmail.com> - * Ivan T. Ivanov <iivanov@mm-sol.com> - * RaniSuneela <r-m@ti.com> - * Atanas Filipov <afilipov@mm-sol.com> - * Gjorgji Rosikopulos <grosikopulos@mm-sol.com> - * Hiroshi DOYU <hiroshi.doyu@nokia.com> - * Nayden Kanchev <nkanchev@mm-sol.com> - * Phil Carmody <ext-phil.2.carmody@nokia.com> - * Artem Bityutskiy <artem.bityutskiy@nokia.com> - * Dominic Curran <dcurran@ti.com> - * Ilkka Myllyperkio <ilkka.myllyperkio@sofica.fi> - * Pallavi Kulkarni <p-kulkarni@ti.com> - * Vaibhav Hiremath <hvaibhav@ti.com> - * Mohit Jalori <mjalori@ti.com> - * Sameer Venkatraman <sameerv@ti.com> - * Senthilvadivu Guruswamy <svadivu@ti.com> - * Thara Gopinath <thara@ti.com> - * Toni Leinonen <toni.leinonen@nokia.com> - * Troy Laramy <t-laramy@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <asm/cacheflush.h> - -#include <linux/clk.h> -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/dma-mapping.h> -#include <linux/i2c.h> -#include <linux/interrupt.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/regulator/consumer.h> -#include <linux/slab.h> -#include <linux/sched.h> -#include <linux/vmalloc.h> - -#include <media/v4l2-common.h> -#include <media/v4l2-device.h> - -#include "isp.h" -#include "ispreg.h" -#include "ispccdc.h" -#include "isppreview.h" -#include "ispresizer.h" -#include "ispcsi2.h" -#include "ispccp2.h" -#include "isph3a.h" -#include "isphist.h" - -static unsigned int autoidle; -module_param(autoidle, int, 0444); -MODULE_PARM_DESC(autoidle, "Enable OMAP3ISP AUTOIDLE support"); - -static void isp_save_ctx(struct isp_device *isp); - -static void isp_restore_ctx(struct isp_device *isp); - -static const struct isp_res_mapping isp_res_maps[] = { - { - .isp_rev = ISP_REVISION_2_0, - .map = 1 << OMAP3_ISP_IOMEM_MAIN | - 1 << OMAP3_ISP_IOMEM_CCP2 | - 1 << OMAP3_ISP_IOMEM_CCDC | - 1 << OMAP3_ISP_IOMEM_HIST | - 1 << OMAP3_ISP_IOMEM_H3A | - 1 << OMAP3_ISP_IOMEM_PREV | - 1 << OMAP3_ISP_IOMEM_RESZ | - 1 << OMAP3_ISP_IOMEM_SBL | - 1 << OMAP3_ISP_IOMEM_CSI2A_REGS1 | - 1 << OMAP3_ISP_IOMEM_CSIPHY2, - }, - { - .isp_rev = ISP_REVISION_15_0, - .map = 1 << OMAP3_ISP_IOMEM_MAIN | - 1 << OMAP3_ISP_IOMEM_CCP2 | - 1 << OMAP3_ISP_IOMEM_CCDC | - 1 << OMAP3_ISP_IOMEM_HIST | - 1 << OMAP3_ISP_IOMEM_H3A | - 1 << OMAP3_ISP_IOMEM_PREV | - 1 << OMAP3_ISP_IOMEM_RESZ | - 1 << OMAP3_ISP_IOMEM_SBL | - 1 << OMAP3_ISP_IOMEM_CSI2A_REGS1 | - 1 << OMAP3_ISP_IOMEM_CSIPHY2 | - 1 << OMAP3_ISP_IOMEM_CSI2A_REGS2 | - 1 << OMAP3_ISP_IOMEM_CSI2C_REGS1 | - 1 << OMAP3_ISP_IOMEM_CSIPHY1 | - 1 << OMAP3_ISP_IOMEM_CSI2C_REGS2, - }, -}; - -/* Structure for saving/restoring ISP module registers */ -static struct isp_reg isp_reg_list[] = { - {OMAP3_ISP_IOMEM_MAIN, ISP_SYSCONFIG, 0}, - {OMAP3_ISP_IOMEM_MAIN, ISP_CTRL, 0}, - {OMAP3_ISP_IOMEM_MAIN, ISP_TCTRL_CTRL, 0}, - {0, ISP_TOK_TERM, 0} -}; - -/* - * omap3isp_flush - Post pending L3 bus writes by doing a register readback - * @isp: OMAP3 ISP device - * - * In order to force posting of pending writes, we need to write and - * readback the same register, in this case the revision register. - * - * See this link for reference: - * http://www.mail-archive.com/linux-omap@vger.kernel.org/msg08149.html - */ -void omap3isp_flush(struct isp_device *isp) -{ - isp_reg_writel(isp, 0, OMAP3_ISP_IOMEM_MAIN, ISP_REVISION); - isp_reg_readl(isp, OMAP3_ISP_IOMEM_MAIN, ISP_REVISION); -} - -/* - * isp_enable_interrupts - Enable ISP interrupts. - * @isp: OMAP3 ISP device - */ -static void isp_enable_interrupts(struct isp_device *isp) -{ - static const u32 irq = IRQ0ENABLE_CSIA_IRQ - | IRQ0ENABLE_CSIB_IRQ - | IRQ0ENABLE_CCDC_LSC_PREF_ERR_IRQ - | IRQ0ENABLE_CCDC_LSC_DONE_IRQ - | IRQ0ENABLE_CCDC_VD0_IRQ - | IRQ0ENABLE_CCDC_VD1_IRQ - | IRQ0ENABLE_HS_VS_IRQ - | IRQ0ENABLE_HIST_DONE_IRQ - | IRQ0ENABLE_H3A_AWB_DONE_IRQ - | IRQ0ENABLE_H3A_AF_DONE_IRQ - | IRQ0ENABLE_PRV_DONE_IRQ - | IRQ0ENABLE_RSZ_DONE_IRQ; - - isp_reg_writel(isp, irq, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS); - isp_reg_writel(isp, irq, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0ENABLE); -} - -/* - * isp_disable_interrupts - Disable ISP interrupts. - * @isp: OMAP3 ISP device - */ -static void isp_disable_interrupts(struct isp_device *isp) -{ - isp_reg_writel(isp, 0, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0ENABLE); -} - -/** - * isp_set_xclk - Configures the specified cam_xclk to the desired frequency. - * @isp: OMAP3 ISP device - * @xclk: Desired frequency of the clock in Hz. 0 = stable low, 1 is stable high - * @xclksel: XCLK to configure (0 = A, 1 = B). - * - * Configures the specified MCLK divisor in the ISP timing control register - * (TCTRL_CTRL) to generate the desired xclk clock value. - * - * Divisor = cam_mclk_hz / xclk - * - * Returns the final frequency that is actually being generated - **/ -static u32 isp_set_xclk(struct isp_device *isp, u32 xclk, u8 xclksel) -{ - u32 divisor; - u32 currentxclk; - unsigned long mclk_hz; - - if (!omap3isp_get(isp)) - return 0; - - mclk_hz = clk_get_rate(isp->clock[ISP_CLK_CAM_MCLK]); - - if (xclk >= mclk_hz) { - divisor = ISPTCTRL_CTRL_DIV_BYPASS; - currentxclk = mclk_hz; - } else if (xclk >= 2) { - divisor = mclk_hz / xclk; - if (divisor >= ISPTCTRL_CTRL_DIV_BYPASS) - divisor = ISPTCTRL_CTRL_DIV_BYPASS - 1; - currentxclk = mclk_hz / divisor; - } else { - divisor = xclk; - currentxclk = 0; - } - - switch (xclksel) { - case ISP_XCLK_A: - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_MAIN, ISP_TCTRL_CTRL, - ISPTCTRL_CTRL_DIVA_MASK, - divisor << ISPTCTRL_CTRL_DIVA_SHIFT); - dev_dbg(isp->dev, "isp_set_xclk(): cam_xclka set to %d Hz\n", - currentxclk); - break; - case ISP_XCLK_B: - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_MAIN, ISP_TCTRL_CTRL, - ISPTCTRL_CTRL_DIVB_MASK, - divisor << ISPTCTRL_CTRL_DIVB_SHIFT); - dev_dbg(isp->dev, "isp_set_xclk(): cam_xclkb set to %d Hz\n", - currentxclk); - break; - case ISP_XCLK_NONE: - default: - omap3isp_put(isp); - dev_dbg(isp->dev, "ISP_ERR: isp_set_xclk(): Invalid requested " - "xclk. Must be 0 (A) or 1 (B).\n"); - return -EINVAL; - } - - /* Do we go from stable whatever to clock? */ - if (divisor >= 2 && isp->xclk_divisor[xclksel - 1] < 2) - omap3isp_get(isp); - /* Stopping the clock. */ - else if (divisor < 2 && isp->xclk_divisor[xclksel - 1] >= 2) - omap3isp_put(isp); - - isp->xclk_divisor[xclksel - 1] = divisor; - - omap3isp_put(isp); - - return currentxclk; -} - -/* - * isp_core_init - ISP core settings - * @isp: OMAP3 ISP device - * @idle: Consider idle state. - * - * Set the power settings for the ISP and SBL bus and cConfigure the HS/VS - * interrupt source. - * - * We need to configure the HS/VS interrupt source before interrupts get - * enabled, as the sensor might be free-running and the ISP default setting - * (HS edge) would put an unnecessary burden on the CPU. - */ -static void isp_core_init(struct isp_device *isp, int idle) -{ - isp_reg_writel(isp, - ((idle ? ISP_SYSCONFIG_MIDLEMODE_SMARTSTANDBY : - ISP_SYSCONFIG_MIDLEMODE_FORCESTANDBY) << - ISP_SYSCONFIG_MIDLEMODE_SHIFT) | - ((isp->revision == ISP_REVISION_15_0) ? - ISP_SYSCONFIG_AUTOIDLE : 0), - OMAP3_ISP_IOMEM_MAIN, ISP_SYSCONFIG); - - isp_reg_writel(isp, - (isp->autoidle ? ISPCTRL_SBL_AUTOIDLE : 0) | - ISPCTRL_SYNC_DETECT_VSRISE, - OMAP3_ISP_IOMEM_MAIN, ISP_CTRL); -} - -/* - * Configure the bridge and lane shifter. Valid inputs are - * - * CCDC_INPUT_PARALLEL: Parallel interface - * CCDC_INPUT_CSI2A: CSI2a receiver - * CCDC_INPUT_CCP2B: CCP2b receiver - * CCDC_INPUT_CSI2C: CSI2c receiver - * - * The bridge and lane shifter are configured according to the selected input - * and the ISP platform data. - */ -void omap3isp_configure_bridge(struct isp_device *isp, - enum ccdc_input_entity input, - const struct isp_parallel_platform_data *pdata, - unsigned int shift, unsigned int bridge) -{ - u32 ispctrl_val; - - ispctrl_val = isp_reg_readl(isp, OMAP3_ISP_IOMEM_MAIN, ISP_CTRL); - ispctrl_val &= ~ISPCTRL_SHIFT_MASK; - ispctrl_val &= ~ISPCTRL_PAR_CLK_POL_INV; - ispctrl_val &= ~ISPCTRL_PAR_SER_CLK_SEL_MASK; - ispctrl_val &= ~ISPCTRL_PAR_BRIDGE_MASK; - ispctrl_val |= bridge; - - switch (input) { - case CCDC_INPUT_PARALLEL: - ispctrl_val |= ISPCTRL_PAR_SER_CLK_SEL_PARALLEL; - ispctrl_val |= pdata->clk_pol << ISPCTRL_PAR_CLK_POL_SHIFT; - shift += pdata->data_lane_shift * 2; - break; - - case CCDC_INPUT_CSI2A: - ispctrl_val |= ISPCTRL_PAR_SER_CLK_SEL_CSIA; - break; - - case CCDC_INPUT_CCP2B: - ispctrl_val |= ISPCTRL_PAR_SER_CLK_SEL_CSIB; - break; - - case CCDC_INPUT_CSI2C: - ispctrl_val |= ISPCTRL_PAR_SER_CLK_SEL_CSIC; - break; - - default: - return; - } - - ispctrl_val |= ((shift/2) << ISPCTRL_SHIFT_SHIFT) & ISPCTRL_SHIFT_MASK; - - isp_reg_writel(isp, ispctrl_val, OMAP3_ISP_IOMEM_MAIN, ISP_CTRL); -} - -void omap3isp_hist_dma_done(struct isp_device *isp) -{ - if (omap3isp_ccdc_busy(&isp->isp_ccdc) || - omap3isp_stat_pcr_busy(&isp->isp_hist)) { - /* Histogram cannot be enabled in this frame anymore */ - atomic_set(&isp->isp_hist.buf_err, 1); - dev_dbg(isp->dev, "hist: Out of synchronization with " - "CCDC. Ignoring next buffer.\n"); - } -} - -static inline void isp_isr_dbg(struct isp_device *isp, u32 irqstatus) -{ - static const char *name[] = { - "CSIA_IRQ", - "res1", - "res2", - "CSIB_LCM_IRQ", - "CSIB_IRQ", - "res5", - "res6", - "res7", - "CCDC_VD0_IRQ", - "CCDC_VD1_IRQ", - "CCDC_VD2_IRQ", - "CCDC_ERR_IRQ", - "H3A_AF_DONE_IRQ", - "H3A_AWB_DONE_IRQ", - "res14", - "res15", - "HIST_DONE_IRQ", - "CCDC_LSC_DONE", - "CCDC_LSC_PREFETCH_COMPLETED", - "CCDC_LSC_PREFETCH_ERROR", - "PRV_DONE_IRQ", - "CBUFF_IRQ", - "res22", - "res23", - "RSZ_DONE_IRQ", - "OVF_IRQ", - "res26", - "res27", - "MMU_ERR_IRQ", - "OCP_ERR_IRQ", - "SEC_ERR_IRQ", - "HS_VS_IRQ", - }; - int i; - - dev_dbg(isp->dev, "ISP IRQ: "); - - for (i = 0; i < ARRAY_SIZE(name); i++) { - if ((1 << i) & irqstatus) - printk(KERN_CONT "%s ", name[i]); - } - printk(KERN_CONT "\n"); -} - -static void isp_isr_sbl(struct isp_device *isp) -{ - struct device *dev = isp->dev; - struct isp_pipeline *pipe; - u32 sbl_pcr; - - /* - * Handle shared buffer logic overflows for video buffers. - * ISPSBL_PCR_CCDCPRV_2_RSZ_OVF can be safely ignored. - */ - sbl_pcr = isp_reg_readl(isp, OMAP3_ISP_IOMEM_SBL, ISPSBL_PCR); - isp_reg_writel(isp, sbl_pcr, OMAP3_ISP_IOMEM_SBL, ISPSBL_PCR); - sbl_pcr &= ~ISPSBL_PCR_CCDCPRV_2_RSZ_OVF; - - if (sbl_pcr) - dev_dbg(dev, "SBL overflow (PCR = 0x%08x)\n", sbl_pcr); - - if (sbl_pcr & ISPSBL_PCR_CSIB_WBL_OVF) { - pipe = to_isp_pipeline(&isp->isp_ccp2.subdev.entity); - if (pipe != NULL) - pipe->error = true; - } - - if (sbl_pcr & ISPSBL_PCR_CSIA_WBL_OVF) { - pipe = to_isp_pipeline(&isp->isp_csi2a.subdev.entity); - if (pipe != NULL) - pipe->error = true; - } - - if (sbl_pcr & ISPSBL_PCR_CCDC_WBL_OVF) { - pipe = to_isp_pipeline(&isp->isp_ccdc.subdev.entity); - if (pipe != NULL) - pipe->error = true; - } - - if (sbl_pcr & ISPSBL_PCR_PRV_WBL_OVF) { - pipe = to_isp_pipeline(&isp->isp_prev.subdev.entity); - if (pipe != NULL) - pipe->error = true; - } - - if (sbl_pcr & (ISPSBL_PCR_RSZ1_WBL_OVF - | ISPSBL_PCR_RSZ2_WBL_OVF - | ISPSBL_PCR_RSZ3_WBL_OVF - | ISPSBL_PCR_RSZ4_WBL_OVF)) { - pipe = to_isp_pipeline(&isp->isp_res.subdev.entity); - if (pipe != NULL) - pipe->error = true; - } - - if (sbl_pcr & ISPSBL_PCR_H3A_AF_WBL_OVF) - omap3isp_stat_sbl_overflow(&isp->isp_af); - - if (sbl_pcr & ISPSBL_PCR_H3A_AEAWB_WBL_OVF) - omap3isp_stat_sbl_overflow(&isp->isp_aewb); -} - -/* - * isp_isr - Interrupt Service Routine for Camera ISP module. - * @irq: Not used currently. - * @_isp: Pointer to the OMAP3 ISP device - * - * Handles the corresponding callback if plugged in. - * - * Returns IRQ_HANDLED when IRQ was correctly handled, or IRQ_NONE when the - * IRQ wasn't handled. - */ -static irqreturn_t isp_isr(int irq, void *_isp) -{ - static const u32 ccdc_events = IRQ0STATUS_CCDC_LSC_PREF_ERR_IRQ | - IRQ0STATUS_CCDC_LSC_DONE_IRQ | - IRQ0STATUS_CCDC_VD0_IRQ | - IRQ0STATUS_CCDC_VD1_IRQ | - IRQ0STATUS_HS_VS_IRQ; - struct isp_device *isp = _isp; - u32 irqstatus; - - irqstatus = isp_reg_readl(isp, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS); - isp_reg_writel(isp, irqstatus, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS); - - isp_isr_sbl(isp); - - if (irqstatus & IRQ0STATUS_CSIA_IRQ) - omap3isp_csi2_isr(&isp->isp_csi2a); - - if (irqstatus & IRQ0STATUS_CSIB_IRQ) - omap3isp_ccp2_isr(&isp->isp_ccp2); - - if (irqstatus & IRQ0STATUS_CCDC_VD0_IRQ) { - if (isp->isp_ccdc.output & CCDC_OUTPUT_PREVIEW) - omap3isp_preview_isr_frame_sync(&isp->isp_prev); - if (isp->isp_ccdc.output & CCDC_OUTPUT_RESIZER) - omap3isp_resizer_isr_frame_sync(&isp->isp_res); - omap3isp_stat_isr_frame_sync(&isp->isp_aewb); - omap3isp_stat_isr_frame_sync(&isp->isp_af); - omap3isp_stat_isr_frame_sync(&isp->isp_hist); - } - - if (irqstatus & ccdc_events) - omap3isp_ccdc_isr(&isp->isp_ccdc, irqstatus & ccdc_events); - - if (irqstatus & IRQ0STATUS_PRV_DONE_IRQ) { - if (isp->isp_prev.output & PREVIEW_OUTPUT_RESIZER) - omap3isp_resizer_isr_frame_sync(&isp->isp_res); - omap3isp_preview_isr(&isp->isp_prev); - } - - if (irqstatus & IRQ0STATUS_RSZ_DONE_IRQ) - omap3isp_resizer_isr(&isp->isp_res); - - if (irqstatus & IRQ0STATUS_H3A_AWB_DONE_IRQ) - omap3isp_stat_isr(&isp->isp_aewb); - - if (irqstatus & IRQ0STATUS_H3A_AF_DONE_IRQ) - omap3isp_stat_isr(&isp->isp_af); - - if (irqstatus & IRQ0STATUS_HIST_DONE_IRQ) - omap3isp_stat_isr(&isp->isp_hist); - - omap3isp_flush(isp); - -#if defined(DEBUG) && defined(ISP_ISR_DEBUG) - isp_isr_dbg(isp, irqstatus); -#endif - - return IRQ_HANDLED; -} - -/* ----------------------------------------------------------------------------- - * Pipeline power management - * - * Entities must be powered up when part of a pipeline that contains at least - * one open video device node. - * - * To achieve this use the entity use_count field to track the number of users. - * For entities corresponding to video device nodes the use_count field stores - * the users count of the node. For entities corresponding to subdevs the - * use_count field stores the total number of users of all video device nodes - * in the pipeline. - * - * The omap3isp_pipeline_pm_use() function must be called in the open() and - * close() handlers of video device nodes. It increments or decrements the use - * count of all subdev entities in the pipeline. - * - * To react to link management on powered pipelines, the link setup notification - * callback updates the use count of all entities in the source and sink sides - * of the link. - */ - -/* - * isp_pipeline_pm_use_count - Count the number of users of a pipeline - * @entity: The entity - * - * Return the total number of users of all video device nodes in the pipeline. - */ -static int isp_pipeline_pm_use_count(struct media_entity *entity) -{ - struct media_entity_graph graph; - int use = 0; - - media_entity_graph_walk_start(&graph, entity); - - while ((entity = media_entity_graph_walk_next(&graph))) { - if (media_entity_type(entity) == MEDIA_ENT_T_DEVNODE) - use += entity->use_count; - } - - return use; -} - -/* - * isp_pipeline_pm_power_one - Apply power change to an entity - * @entity: The entity - * @change: Use count change - * - * Change the entity use count by @change. If the entity is a subdev update its - * power state by calling the core::s_power operation when the use count goes - * from 0 to != 0 or from != 0 to 0. - * - * Return 0 on success or a negative error code on failure. - */ -static int isp_pipeline_pm_power_one(struct media_entity *entity, int change) -{ - struct v4l2_subdev *subdev; - int ret; - - subdev = media_entity_type(entity) == MEDIA_ENT_T_V4L2_SUBDEV - ? media_entity_to_v4l2_subdev(entity) : NULL; - - if (entity->use_count == 0 && change > 0 && subdev != NULL) { - ret = v4l2_subdev_call(subdev, core, s_power, 1); - if (ret < 0 && ret != -ENOIOCTLCMD) - return ret; - } - - entity->use_count += change; - WARN_ON(entity->use_count < 0); - - if (entity->use_count == 0 && change < 0 && subdev != NULL) - v4l2_subdev_call(subdev, core, s_power, 0); - - return 0; -} - -/* - * isp_pipeline_pm_power - Apply power change to all entities in a pipeline - * @entity: The entity - * @change: Use count change - * - * Walk the pipeline to update the use count and the power state of all non-node - * entities. - * - * Return 0 on success or a negative error code on failure. - */ -static int isp_pipeline_pm_power(struct media_entity *entity, int change) -{ - struct media_entity_graph graph; - struct media_entity *first = entity; - int ret = 0; - - if (!change) - return 0; - - media_entity_graph_walk_start(&graph, entity); - - while (!ret && (entity = media_entity_graph_walk_next(&graph))) - if (media_entity_type(entity) != MEDIA_ENT_T_DEVNODE) - ret = isp_pipeline_pm_power_one(entity, change); - - if (!ret) - return 0; - - media_entity_graph_walk_start(&graph, first); - - while ((first = media_entity_graph_walk_next(&graph)) - && first != entity) - if (media_entity_type(first) != MEDIA_ENT_T_DEVNODE) - isp_pipeline_pm_power_one(first, -change); - - return ret; -} - -/* - * omap3isp_pipeline_pm_use - Update the use count of an entity - * @entity: The entity - * @use: Use (1) or stop using (0) the entity - * - * Update the use count of all entities in the pipeline and power entities on or - * off accordingly. - * - * Return 0 on success or a negative error code on failure. Powering entities - * off is assumed to never fail. No failure can occur when the use parameter is - * set to 0. - */ -int omap3isp_pipeline_pm_use(struct media_entity *entity, int use) -{ - int change = use ? 1 : -1; - int ret; - - mutex_lock(&entity->parent->graph_mutex); - - /* Apply use count to node. */ - entity->use_count += change; - WARN_ON(entity->use_count < 0); - - /* Apply power change to connected non-nodes. */ - ret = isp_pipeline_pm_power(entity, change); - if (ret < 0) - entity->use_count -= change; - - mutex_unlock(&entity->parent->graph_mutex); - - return ret; -} - -/* - * isp_pipeline_link_notify - Link management notification callback - * @source: Pad at the start of the link - * @sink: Pad at the end of the link - * @flags: New link flags that will be applied - * - * React to link management on powered pipelines by updating the use count of - * all entities in the source and sink sides of the link. Entities are powered - * on or off accordingly. - * - * Return 0 on success or a negative error code on failure. Powering entities - * off is assumed to never fail. This function will not fail for disconnection - * events. - */ -static int isp_pipeline_link_notify(struct media_pad *source, - struct media_pad *sink, u32 flags) -{ - int source_use = isp_pipeline_pm_use_count(source->entity); - int sink_use = isp_pipeline_pm_use_count(sink->entity); - int ret; - - if (!(flags & MEDIA_LNK_FL_ENABLED)) { - /* Powering off entities is assumed to never fail. */ - isp_pipeline_pm_power(source->entity, -sink_use); - isp_pipeline_pm_power(sink->entity, -source_use); - return 0; - } - - ret = isp_pipeline_pm_power(source->entity, sink_use); - if (ret < 0) - return ret; - - ret = isp_pipeline_pm_power(sink->entity, source_use); - if (ret < 0) - isp_pipeline_pm_power(source->entity, -sink_use); - - return ret; -} - -/* ----------------------------------------------------------------------------- - * Pipeline stream management - */ - -/* - * isp_pipeline_enable - Enable streaming on a pipeline - * @pipe: ISP pipeline - * @mode: Stream mode (single shot or continuous) - * - * Walk the entities chain starting at the pipeline output video node and start - * all modules in the chain in the given mode. - * - * Return 0 if successful, or the return value of the failed video::s_stream - * operation otherwise. - */ -static int isp_pipeline_enable(struct isp_pipeline *pipe, - enum isp_pipeline_stream_state mode) -{ - struct isp_device *isp = pipe->output->isp; - struct media_entity *entity; - struct media_pad *pad; - struct v4l2_subdev *subdev; - unsigned long flags; - int ret; - - /* If the preview engine crashed it might not respond to read/write - * operations on the L4 bus. This would result in a bus fault and a - * kernel oops. Refuse to start streaming in that case. This check must - * be performed before the loop below to avoid starting entities if the - * pipeline won't start anyway (those entities would then likely fail to - * stop, making the problem worse). - */ - if ((pipe->entities & isp->crashed) & - (1U << isp->isp_prev.subdev.entity.id)) - return -EIO; - - spin_lock_irqsave(&pipe->lock, flags); - pipe->state &= ~(ISP_PIPELINE_IDLE_INPUT | ISP_PIPELINE_IDLE_OUTPUT); - spin_unlock_irqrestore(&pipe->lock, flags); - - pipe->do_propagation = false; - - entity = &pipe->output->video.entity; - while (1) { - pad = &entity->pads[0]; - if (!(pad->flags & MEDIA_PAD_FL_SINK)) - break; - - pad = media_entity_remote_source(pad); - if (pad == NULL || - media_entity_type(pad->entity) != MEDIA_ENT_T_V4L2_SUBDEV) - break; - - entity = pad->entity; - subdev = media_entity_to_v4l2_subdev(entity); - - ret = v4l2_subdev_call(subdev, video, s_stream, mode); - if (ret < 0 && ret != -ENOIOCTLCMD) - return ret; - - if (subdev == &isp->isp_ccdc.subdev) { - v4l2_subdev_call(&isp->isp_aewb.subdev, video, - s_stream, mode); - v4l2_subdev_call(&isp->isp_af.subdev, video, - s_stream, mode); - v4l2_subdev_call(&isp->isp_hist.subdev, video, - s_stream, mode); - pipe->do_propagation = true; - } - } - - return 0; -} - -static int isp_pipeline_wait_resizer(struct isp_device *isp) -{ - return omap3isp_resizer_busy(&isp->isp_res); -} - -static int isp_pipeline_wait_preview(struct isp_device *isp) -{ - return omap3isp_preview_busy(&isp->isp_prev); -} - -static int isp_pipeline_wait_ccdc(struct isp_device *isp) -{ - return omap3isp_stat_busy(&isp->isp_af) - || omap3isp_stat_busy(&isp->isp_aewb) - || omap3isp_stat_busy(&isp->isp_hist) - || omap3isp_ccdc_busy(&isp->isp_ccdc); -} - -#define ISP_STOP_TIMEOUT msecs_to_jiffies(1000) - -static int isp_pipeline_wait(struct isp_device *isp, - int(*busy)(struct isp_device *isp)) -{ - unsigned long timeout = jiffies + ISP_STOP_TIMEOUT; - - while (!time_after(jiffies, timeout)) { - if (!busy(isp)) - return 0; - } - - return 1; -} - -/* - * isp_pipeline_disable - Disable streaming on a pipeline - * @pipe: ISP pipeline - * - * Walk the entities chain starting at the pipeline output video node and stop - * all modules in the chain. Wait synchronously for the modules to be stopped if - * necessary. - * - * Return 0 if all modules have been properly stopped, or -ETIMEDOUT if a module - * can't be stopped (in which case a software reset of the ISP is probably - * necessary). - */ -static int isp_pipeline_disable(struct isp_pipeline *pipe) -{ - struct isp_device *isp = pipe->output->isp; - struct media_entity *entity; - struct media_pad *pad; - struct v4l2_subdev *subdev; - int failure = 0; - int ret; - - /* - * We need to stop all the modules after CCDC first or they'll - * never stop since they may not get a full frame from CCDC. - */ - entity = &pipe->output->video.entity; - while (1) { - pad = &entity->pads[0]; - if (!(pad->flags & MEDIA_PAD_FL_SINK)) - break; - - pad = media_entity_remote_source(pad); - if (pad == NULL || - media_entity_type(pad->entity) != MEDIA_ENT_T_V4L2_SUBDEV) - break; - - entity = pad->entity; - subdev = media_entity_to_v4l2_subdev(entity); - - if (subdev == &isp->isp_ccdc.subdev) { - v4l2_subdev_call(&isp->isp_aewb.subdev, - video, s_stream, 0); - v4l2_subdev_call(&isp->isp_af.subdev, - video, s_stream, 0); - v4l2_subdev_call(&isp->isp_hist.subdev, - video, s_stream, 0); - } - - v4l2_subdev_call(subdev, video, s_stream, 0); - - if (subdev == &isp->isp_res.subdev) - ret = isp_pipeline_wait(isp, isp_pipeline_wait_resizer); - else if (subdev == &isp->isp_prev.subdev) - ret = isp_pipeline_wait(isp, isp_pipeline_wait_preview); - else if (subdev == &isp->isp_ccdc.subdev) - ret = isp_pipeline_wait(isp, isp_pipeline_wait_ccdc); - else - ret = 0; - - if (ret) { - dev_info(isp->dev, "Unable to stop %s\n", subdev->name); - /* If the entity failed to stopped, assume it has - * crashed. Mark it as such, the ISP will be reset when - * applications will release it. - */ - isp->crashed |= 1U << subdev->entity.id; - failure = -ETIMEDOUT; - } - } - - return failure; -} - -/* - * omap3isp_pipeline_set_stream - Enable/disable streaming on a pipeline - * @pipe: ISP pipeline - * @state: Stream state (stopped, single shot or continuous) - * - * Set the pipeline to the given stream state. Pipelines can be started in - * single-shot or continuous mode. - * - * Return 0 if successful, or the return value of the failed video::s_stream - * operation otherwise. The pipeline state is not updated when the operation - * fails, except when stopping the pipeline. - */ -int omap3isp_pipeline_set_stream(struct isp_pipeline *pipe, - enum isp_pipeline_stream_state state) -{ - int ret; - - if (state == ISP_PIPELINE_STREAM_STOPPED) - ret = isp_pipeline_disable(pipe); - else - ret = isp_pipeline_enable(pipe, state); - - if (ret == 0 || state == ISP_PIPELINE_STREAM_STOPPED) - pipe->stream_state = state; - - return ret; -} - -/* - * isp_pipeline_resume - Resume streaming on a pipeline - * @pipe: ISP pipeline - * - * Resume video output and input and re-enable pipeline. - */ -static void isp_pipeline_resume(struct isp_pipeline *pipe) -{ - int singleshot = pipe->stream_state == ISP_PIPELINE_STREAM_SINGLESHOT; - - omap3isp_video_resume(pipe->output, !singleshot); - if (singleshot) - omap3isp_video_resume(pipe->input, 0); - isp_pipeline_enable(pipe, pipe->stream_state); -} - -/* - * isp_pipeline_suspend - Suspend streaming on a pipeline - * @pipe: ISP pipeline - * - * Suspend pipeline. - */ -static void isp_pipeline_suspend(struct isp_pipeline *pipe) -{ - isp_pipeline_disable(pipe); -} - -/* - * isp_pipeline_is_last - Verify if entity has an enabled link to the output - * video node - * @me: ISP module's media entity - * - * Returns 1 if the entity has an enabled link to the output video node or 0 - * otherwise. It's true only while pipeline can have no more than one output - * node. - */ -static int isp_pipeline_is_last(struct media_entity *me) -{ - struct isp_pipeline *pipe; - struct media_pad *pad; - - if (!me->pipe) - return 0; - pipe = to_isp_pipeline(me); - if (pipe->stream_state == ISP_PIPELINE_STREAM_STOPPED) - return 0; - pad = media_entity_remote_source(&pipe->output->pad); - return pad->entity == me; -} - -/* - * isp_suspend_module_pipeline - Suspend pipeline to which belongs the module - * @me: ISP module's media entity - * - * Suspend the whole pipeline if module's entity has an enabled link to the - * output video node. It works only while pipeline can have no more than one - * output node. - */ -static void isp_suspend_module_pipeline(struct media_entity *me) -{ - if (isp_pipeline_is_last(me)) - isp_pipeline_suspend(to_isp_pipeline(me)); -} - -/* - * isp_resume_module_pipeline - Resume pipeline to which belongs the module - * @me: ISP module's media entity - * - * Resume the whole pipeline if module's entity has an enabled link to the - * output video node. It works only while pipeline can have no more than one - * output node. - */ -static void isp_resume_module_pipeline(struct media_entity *me) -{ - if (isp_pipeline_is_last(me)) - isp_pipeline_resume(to_isp_pipeline(me)); -} - -/* - * isp_suspend_modules - Suspend ISP submodules. - * @isp: OMAP3 ISP device - * - * Returns 0 if suspend left in idle state all the submodules properly, - * or returns 1 if a general Reset is required to suspend the submodules. - */ -static int isp_suspend_modules(struct isp_device *isp) -{ - unsigned long timeout; - - omap3isp_stat_suspend(&isp->isp_aewb); - omap3isp_stat_suspend(&isp->isp_af); - omap3isp_stat_suspend(&isp->isp_hist); - isp_suspend_module_pipeline(&isp->isp_res.subdev.entity); - isp_suspend_module_pipeline(&isp->isp_prev.subdev.entity); - isp_suspend_module_pipeline(&isp->isp_ccdc.subdev.entity); - isp_suspend_module_pipeline(&isp->isp_csi2a.subdev.entity); - isp_suspend_module_pipeline(&isp->isp_ccp2.subdev.entity); - - timeout = jiffies + ISP_STOP_TIMEOUT; - while (omap3isp_stat_busy(&isp->isp_af) - || omap3isp_stat_busy(&isp->isp_aewb) - || omap3isp_stat_busy(&isp->isp_hist) - || omap3isp_preview_busy(&isp->isp_prev) - || omap3isp_resizer_busy(&isp->isp_res) - || omap3isp_ccdc_busy(&isp->isp_ccdc)) { - if (time_after(jiffies, timeout)) { - dev_info(isp->dev, "can't stop modules.\n"); - return 1; - } - msleep(1); - } - - return 0; -} - -/* - * isp_resume_modules - Resume ISP submodules. - * @isp: OMAP3 ISP device - */ -static void isp_resume_modules(struct isp_device *isp) -{ - omap3isp_stat_resume(&isp->isp_aewb); - omap3isp_stat_resume(&isp->isp_af); - omap3isp_stat_resume(&isp->isp_hist); - isp_resume_module_pipeline(&isp->isp_res.subdev.entity); - isp_resume_module_pipeline(&isp->isp_prev.subdev.entity); - isp_resume_module_pipeline(&isp->isp_ccdc.subdev.entity); - isp_resume_module_pipeline(&isp->isp_csi2a.subdev.entity); - isp_resume_module_pipeline(&isp->isp_ccp2.subdev.entity); -} - -/* - * isp_reset - Reset ISP with a timeout wait for idle. - * @isp: OMAP3 ISP device - */ -static int isp_reset(struct isp_device *isp) -{ - unsigned long timeout = 0; - - isp_reg_writel(isp, - isp_reg_readl(isp, OMAP3_ISP_IOMEM_MAIN, ISP_SYSCONFIG) - | ISP_SYSCONFIG_SOFTRESET, - OMAP3_ISP_IOMEM_MAIN, ISP_SYSCONFIG); - while (!(isp_reg_readl(isp, OMAP3_ISP_IOMEM_MAIN, - ISP_SYSSTATUS) & 0x1)) { - if (timeout++ > 10000) { - dev_alert(isp->dev, "cannot reset ISP\n"); - return -ETIMEDOUT; - } - udelay(1); - } - - isp->crashed = 0; - return 0; -} - -/* - * isp_save_context - Saves the values of the ISP module registers. - * @isp: OMAP3 ISP device - * @reg_list: Structure containing pairs of register address and value to - * modify on OMAP. - */ -static void -isp_save_context(struct isp_device *isp, struct isp_reg *reg_list) -{ - struct isp_reg *next = reg_list; - - for (; next->reg != ISP_TOK_TERM; next++) - next->val = isp_reg_readl(isp, next->mmio_range, next->reg); -} - -/* - * isp_restore_context - Restores the values of the ISP module registers. - * @isp: OMAP3 ISP device - * @reg_list: Structure containing pairs of register address and value to - * modify on OMAP. - */ -static void -isp_restore_context(struct isp_device *isp, struct isp_reg *reg_list) -{ - struct isp_reg *next = reg_list; - - for (; next->reg != ISP_TOK_TERM; next++) - isp_reg_writel(isp, next->val, next->mmio_range, next->reg); -} - -/* - * isp_save_ctx - Saves ISP, CCDC, HIST, H3A, PREV, RESZ & MMU context. - * @isp: OMAP3 ISP device - * - * Routine for saving the context of each module in the ISP. - * CCDC, HIST, H3A, PREV, RESZ and MMU. - */ -static void isp_save_ctx(struct isp_device *isp) -{ - isp_save_context(isp, isp_reg_list); - omap_iommu_save_ctx(isp->dev); -} - -/* - * isp_restore_ctx - Restores ISP, CCDC, HIST, H3A, PREV, RESZ & MMU context. - * @isp: OMAP3 ISP device - * - * Routine for restoring the context of each module in the ISP. - * CCDC, HIST, H3A, PREV, RESZ and MMU. - */ -static void isp_restore_ctx(struct isp_device *isp) -{ - isp_restore_context(isp, isp_reg_list); - omap_iommu_restore_ctx(isp->dev); - omap3isp_ccdc_restore_context(isp); - omap3isp_preview_restore_context(isp); -} - -/* ----------------------------------------------------------------------------- - * SBL resources management - */ -#define OMAP3_ISP_SBL_READ (OMAP3_ISP_SBL_CSI1_READ | \ - OMAP3_ISP_SBL_CCDC_LSC_READ | \ - OMAP3_ISP_SBL_PREVIEW_READ | \ - OMAP3_ISP_SBL_RESIZER_READ) -#define OMAP3_ISP_SBL_WRITE (OMAP3_ISP_SBL_CSI1_WRITE | \ - OMAP3_ISP_SBL_CSI2A_WRITE | \ - OMAP3_ISP_SBL_CSI2C_WRITE | \ - OMAP3_ISP_SBL_CCDC_WRITE | \ - OMAP3_ISP_SBL_PREVIEW_WRITE) - -void omap3isp_sbl_enable(struct isp_device *isp, enum isp_sbl_resource res) -{ - u32 sbl = 0; - - isp->sbl_resources |= res; - - if (isp->sbl_resources & OMAP3_ISP_SBL_CSI1_READ) - sbl |= ISPCTRL_SBL_SHARED_RPORTA; - - if (isp->sbl_resources & OMAP3_ISP_SBL_CCDC_LSC_READ) - sbl |= ISPCTRL_SBL_SHARED_RPORTB; - - if (isp->sbl_resources & OMAP3_ISP_SBL_CSI2C_WRITE) - sbl |= ISPCTRL_SBL_SHARED_WPORTC; - - if (isp->sbl_resources & OMAP3_ISP_SBL_RESIZER_WRITE) - sbl |= ISPCTRL_SBL_WR0_RAM_EN; - - if (isp->sbl_resources & OMAP3_ISP_SBL_WRITE) - sbl |= ISPCTRL_SBL_WR1_RAM_EN; - - if (isp->sbl_resources & OMAP3_ISP_SBL_READ) - sbl |= ISPCTRL_SBL_RD_RAM_EN; - - isp_reg_set(isp, OMAP3_ISP_IOMEM_MAIN, ISP_CTRL, sbl); -} - -void omap3isp_sbl_disable(struct isp_device *isp, enum isp_sbl_resource res) -{ - u32 sbl = 0; - - isp->sbl_resources &= ~res; - - if (!(isp->sbl_resources & OMAP3_ISP_SBL_CSI1_READ)) - sbl |= ISPCTRL_SBL_SHARED_RPORTA; - - if (!(isp->sbl_resources & OMAP3_ISP_SBL_CCDC_LSC_READ)) - sbl |= ISPCTRL_SBL_SHARED_RPORTB; - - if (!(isp->sbl_resources & OMAP3_ISP_SBL_CSI2C_WRITE)) - sbl |= ISPCTRL_SBL_SHARED_WPORTC; - - if (!(isp->sbl_resources & OMAP3_ISP_SBL_RESIZER_WRITE)) - sbl |= ISPCTRL_SBL_WR0_RAM_EN; - - if (!(isp->sbl_resources & OMAP3_ISP_SBL_WRITE)) - sbl |= ISPCTRL_SBL_WR1_RAM_EN; - - if (!(isp->sbl_resources & OMAP3_ISP_SBL_READ)) - sbl |= ISPCTRL_SBL_RD_RAM_EN; - - isp_reg_clr(isp, OMAP3_ISP_IOMEM_MAIN, ISP_CTRL, sbl); -} - -/* - * isp_module_sync_idle - Helper to sync module with its idle state - * @me: ISP submodule's media entity - * @wait: ISP submodule's wait queue for streamoff/interrupt synchronization - * @stopping: flag which tells module wants to stop - * - * This function checks if ISP submodule needs to wait for next interrupt. If - * yes, makes the caller to sleep while waiting for such event. - */ -int omap3isp_module_sync_idle(struct media_entity *me, wait_queue_head_t *wait, - atomic_t *stopping) -{ - struct isp_pipeline *pipe = to_isp_pipeline(me); - - if (pipe->stream_state == ISP_PIPELINE_STREAM_STOPPED || - (pipe->stream_state == ISP_PIPELINE_STREAM_SINGLESHOT && - !isp_pipeline_ready(pipe))) - return 0; - - /* - * atomic_set() doesn't include memory barrier on ARM platform for SMP - * scenario. We'll call it here to avoid race conditions. - */ - atomic_set(stopping, 1); - smp_mb(); - - /* - * If module is the last one, it's writing to memory. In this case, - * it's necessary to check if the module is already paused due to - * DMA queue underrun or if it has to wait for next interrupt to be - * idle. - * If it isn't the last one, the function won't sleep but *stopping - * will still be set to warn next submodule caller's interrupt the - * module wants to be idle. - */ - if (isp_pipeline_is_last(me)) { - struct isp_video *video = pipe->output; - unsigned long flags; - spin_lock_irqsave(&video->queue->irqlock, flags); - if (video->dmaqueue_flags & ISP_VIDEO_DMAQUEUE_UNDERRUN) { - spin_unlock_irqrestore(&video->queue->irqlock, flags); - atomic_set(stopping, 0); - smp_mb(); - return 0; - } - spin_unlock_irqrestore(&video->queue->irqlock, flags); - if (!wait_event_timeout(*wait, !atomic_read(stopping), - msecs_to_jiffies(1000))) { - atomic_set(stopping, 0); - smp_mb(); - return -ETIMEDOUT; - } - } - - return 0; -} - -/* - * omap3isp_module_sync_is_stopped - Helper to verify if module was stopping - * @wait: ISP submodule's wait queue for streamoff/interrupt synchronization - * @stopping: flag which tells module wants to stop - * - * This function checks if ISP submodule was stopping. In case of yes, it - * notices the caller by setting stopping to 0 and waking up the wait queue. - * Returns 1 if it was stopping or 0 otherwise. - */ -int omap3isp_module_sync_is_stopping(wait_queue_head_t *wait, - atomic_t *stopping) -{ - if (atomic_cmpxchg(stopping, 1, 0)) { - wake_up(wait); - return 1; - } - - return 0; -} - -/* -------------------------------------------------------------------------- - * Clock management - */ - -#define ISPCTRL_CLKS_MASK (ISPCTRL_H3A_CLK_EN | \ - ISPCTRL_HIST_CLK_EN | \ - ISPCTRL_RSZ_CLK_EN | \ - (ISPCTRL_CCDC_CLK_EN | ISPCTRL_CCDC_RAM_EN) | \ - (ISPCTRL_PREV_CLK_EN | ISPCTRL_PREV_RAM_EN)) - -static void __isp_subclk_update(struct isp_device *isp) -{ - u32 clk = 0; - - /* AEWB and AF share the same clock. */ - if (isp->subclk_resources & - (OMAP3_ISP_SUBCLK_AEWB | OMAP3_ISP_SUBCLK_AF)) - clk |= ISPCTRL_H3A_CLK_EN; - - if (isp->subclk_resources & OMAP3_ISP_SUBCLK_HIST) - clk |= ISPCTRL_HIST_CLK_EN; - - if (isp->subclk_resources & OMAP3_ISP_SUBCLK_RESIZER) - clk |= ISPCTRL_RSZ_CLK_EN; - - /* NOTE: For CCDC & Preview submodules, we need to affect internal - * RAM as well. - */ - if (isp->subclk_resources & OMAP3_ISP_SUBCLK_CCDC) - clk |= ISPCTRL_CCDC_CLK_EN | ISPCTRL_CCDC_RAM_EN; - - if (isp->subclk_resources & OMAP3_ISP_SUBCLK_PREVIEW) - clk |= ISPCTRL_PREV_CLK_EN | ISPCTRL_PREV_RAM_EN; - - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_MAIN, ISP_CTRL, - ISPCTRL_CLKS_MASK, clk); -} - -void omap3isp_subclk_enable(struct isp_device *isp, - enum isp_subclk_resource res) -{ - isp->subclk_resources |= res; - - __isp_subclk_update(isp); -} - -void omap3isp_subclk_disable(struct isp_device *isp, - enum isp_subclk_resource res) -{ - isp->subclk_resources &= ~res; - - __isp_subclk_update(isp); -} - -/* - * isp_enable_clocks - Enable ISP clocks - * @isp: OMAP3 ISP device - * - * Return 0 if successful, or clk_enable return value if any of tthem fails. - */ -static int isp_enable_clocks(struct isp_device *isp) -{ - int r; - unsigned long rate; - int divisor; - - /* - * cam_mclk clock chain: - * dpll4 -> dpll4_m5 -> dpll4_m5x2 -> cam_mclk - * - * In OMAP3630 dpll4_m5x2 != 2 x dpll4_m5 but both are - * set to the same value. Hence the rate set for dpll4_m5 - * has to be twice of what is set on OMAP3430 to get - * the required value for cam_mclk - */ - if (cpu_is_omap3630()) - divisor = 1; - else - divisor = 2; - - r = clk_enable(isp->clock[ISP_CLK_CAM_ICK]); - if (r) { - dev_err(isp->dev, "clk_enable cam_ick failed\n"); - goto out_clk_enable_ick; - } - r = clk_set_rate(isp->clock[ISP_CLK_DPLL4_M5_CK], - CM_CAM_MCLK_HZ/divisor); - if (r) { - dev_err(isp->dev, "clk_set_rate for dpll4_m5_ck failed\n"); - goto out_clk_enable_mclk; - } - r = clk_enable(isp->clock[ISP_CLK_CAM_MCLK]); - if (r) { - dev_err(isp->dev, "clk_enable cam_mclk failed\n"); - goto out_clk_enable_mclk; - } - rate = clk_get_rate(isp->clock[ISP_CLK_CAM_MCLK]); - if (rate != CM_CAM_MCLK_HZ) - dev_warn(isp->dev, "unexpected cam_mclk rate:\n" - " expected : %d\n" - " actual : %ld\n", CM_CAM_MCLK_HZ, rate); - r = clk_enable(isp->clock[ISP_CLK_CSI2_FCK]); - if (r) { - dev_err(isp->dev, "clk_enable csi2_fck failed\n"); - goto out_clk_enable_csi2_fclk; - } - return 0; - -out_clk_enable_csi2_fclk: - clk_disable(isp->clock[ISP_CLK_CAM_MCLK]); -out_clk_enable_mclk: - clk_disable(isp->clock[ISP_CLK_CAM_ICK]); -out_clk_enable_ick: - return r; -} - -/* - * isp_disable_clocks - Disable ISP clocks - * @isp: OMAP3 ISP device - */ -static void isp_disable_clocks(struct isp_device *isp) -{ - clk_disable(isp->clock[ISP_CLK_CAM_ICK]); - clk_disable(isp->clock[ISP_CLK_CAM_MCLK]); - clk_disable(isp->clock[ISP_CLK_CSI2_FCK]); -} - -static const char *isp_clocks[] = { - "cam_ick", - "cam_mclk", - "dpll4_m5_ck", - "csi2_96m_fck", - "l3_ick", -}; - -static void isp_put_clocks(struct isp_device *isp) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(isp_clocks); ++i) { - if (isp->clock[i]) { - clk_put(isp->clock[i]); - isp->clock[i] = NULL; - } - } -} - -static int isp_get_clocks(struct isp_device *isp) -{ - struct clk *clk; - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(isp_clocks); ++i) { - clk = clk_get(isp->dev, isp_clocks[i]); - if (IS_ERR(clk)) { - dev_err(isp->dev, "clk_get %s failed\n", isp_clocks[i]); - isp_put_clocks(isp); - return PTR_ERR(clk); - } - - isp->clock[i] = clk; - } - - return 0; -} - -/* - * omap3isp_get - Acquire the ISP resource. - * - * Initializes the clocks for the first acquire. - * - * Increment the reference count on the ISP. If the first reference is taken, - * enable clocks and power-up all submodules. - * - * Return a pointer to the ISP device structure, or NULL if an error occurred. - */ -static struct isp_device *__omap3isp_get(struct isp_device *isp, bool irq) -{ - struct isp_device *__isp = isp; - - if (isp == NULL) - return NULL; - - mutex_lock(&isp->isp_mutex); - if (isp->ref_count > 0) - goto out; - - if (isp_enable_clocks(isp) < 0) { - __isp = NULL; - goto out; - } - - /* We don't want to restore context before saving it! */ - if (isp->has_context) - isp_restore_ctx(isp); - - if (irq) - isp_enable_interrupts(isp); - -out: - if (__isp != NULL) - isp->ref_count++; - mutex_unlock(&isp->isp_mutex); - - return __isp; -} - -struct isp_device *omap3isp_get(struct isp_device *isp) -{ - return __omap3isp_get(isp, true); -} - -/* - * omap3isp_put - Release the ISP - * - * Decrement the reference count on the ISP. If the last reference is released, - * power-down all submodules, disable clocks and free temporary buffers. - */ -void omap3isp_put(struct isp_device *isp) -{ - if (isp == NULL) - return; - - mutex_lock(&isp->isp_mutex); - BUG_ON(isp->ref_count == 0); - if (--isp->ref_count == 0) { - isp_disable_interrupts(isp); - if (isp->domain) { - isp_save_ctx(isp); - isp->has_context = 1; - } - /* Reset the ISP if an entity has failed to stop. This is the - * only way to recover from such conditions. - */ - if (isp->crashed) - isp_reset(isp); - isp_disable_clocks(isp); - } - mutex_unlock(&isp->isp_mutex); -} - -/* -------------------------------------------------------------------------- - * Platform device driver - */ - -/* - * omap3isp_print_status - Prints the values of the ISP Control Module registers - * @isp: OMAP3 ISP device - */ -#define ISP_PRINT_REGISTER(isp, name)\ - dev_dbg(isp->dev, "###ISP " #name "=0x%08x\n", \ - isp_reg_readl(isp, OMAP3_ISP_IOMEM_MAIN, ISP_##name)) -#define SBL_PRINT_REGISTER(isp, name)\ - dev_dbg(isp->dev, "###SBL " #name "=0x%08x\n", \ - isp_reg_readl(isp, OMAP3_ISP_IOMEM_SBL, ISPSBL_##name)) - -void omap3isp_print_status(struct isp_device *isp) -{ - dev_dbg(isp->dev, "-------------ISP Register dump--------------\n"); - - ISP_PRINT_REGISTER(isp, SYSCONFIG); - ISP_PRINT_REGISTER(isp, SYSSTATUS); - ISP_PRINT_REGISTER(isp, IRQ0ENABLE); - ISP_PRINT_REGISTER(isp, IRQ0STATUS); - ISP_PRINT_REGISTER(isp, TCTRL_GRESET_LENGTH); - ISP_PRINT_REGISTER(isp, TCTRL_PSTRB_REPLAY); - ISP_PRINT_REGISTER(isp, CTRL); - ISP_PRINT_REGISTER(isp, TCTRL_CTRL); - ISP_PRINT_REGISTER(isp, TCTRL_FRAME); - ISP_PRINT_REGISTER(isp, TCTRL_PSTRB_DELAY); - ISP_PRINT_REGISTER(isp, TCTRL_STRB_DELAY); - ISP_PRINT_REGISTER(isp, TCTRL_SHUT_DELAY); - ISP_PRINT_REGISTER(isp, TCTRL_PSTRB_LENGTH); - ISP_PRINT_REGISTER(isp, TCTRL_STRB_LENGTH); - ISP_PRINT_REGISTER(isp, TCTRL_SHUT_LENGTH); - - SBL_PRINT_REGISTER(isp, PCR); - SBL_PRINT_REGISTER(isp, SDR_REQ_EXP); - - dev_dbg(isp->dev, "--------------------------------------------\n"); -} - -#ifdef CONFIG_PM - -/* - * Power management support. - * - * As the ISP can't properly handle an input video stream interruption on a non - * frame boundary, the ISP pipelines need to be stopped before sensors get - * suspended. However, as suspending the sensors can require a running clock, - * which can be provided by the ISP, the ISP can't be completely suspended - * before the sensor. - * - * To solve this problem power management support is split into prepare/complete - * and suspend/resume operations. The pipelines are stopped in prepare() and the - * ISP clocks get disabled in suspend(). Similarly, the clocks are reenabled in - * resume(), and the the pipelines are restarted in complete(). - * - * TODO: PM dependencies between the ISP and sensors are not modeled explicitly - * yet. - */ -static int isp_pm_prepare(struct device *dev) -{ - struct isp_device *isp = dev_get_drvdata(dev); - int reset; - - WARN_ON(mutex_is_locked(&isp->isp_mutex)); - - if (isp->ref_count == 0) - return 0; - - reset = isp_suspend_modules(isp); - isp_disable_interrupts(isp); - isp_save_ctx(isp); - if (reset) - isp_reset(isp); - - return 0; -} - -static int isp_pm_suspend(struct device *dev) -{ - struct isp_device *isp = dev_get_drvdata(dev); - - WARN_ON(mutex_is_locked(&isp->isp_mutex)); - - if (isp->ref_count) - isp_disable_clocks(isp); - - return 0; -} - -static int isp_pm_resume(struct device *dev) -{ - struct isp_device *isp = dev_get_drvdata(dev); - - if (isp->ref_count == 0) - return 0; - - return isp_enable_clocks(isp); -} - -static void isp_pm_complete(struct device *dev) -{ - struct isp_device *isp = dev_get_drvdata(dev); - - if (isp->ref_count == 0) - return; - - isp_restore_ctx(isp); - isp_enable_interrupts(isp); - isp_resume_modules(isp); -} - -#else - -#define isp_pm_prepare NULL -#define isp_pm_suspend NULL -#define isp_pm_resume NULL -#define isp_pm_complete NULL - -#endif /* CONFIG_PM */ - -static void isp_unregister_entities(struct isp_device *isp) -{ - omap3isp_csi2_unregister_entities(&isp->isp_csi2a); - omap3isp_ccp2_unregister_entities(&isp->isp_ccp2); - omap3isp_ccdc_unregister_entities(&isp->isp_ccdc); - omap3isp_preview_unregister_entities(&isp->isp_prev); - omap3isp_resizer_unregister_entities(&isp->isp_res); - omap3isp_stat_unregister_entities(&isp->isp_aewb); - omap3isp_stat_unregister_entities(&isp->isp_af); - omap3isp_stat_unregister_entities(&isp->isp_hist); - - v4l2_device_unregister(&isp->v4l2_dev); - media_device_unregister(&isp->media_dev); -} - -/* - * isp_register_subdev_group - Register a group of subdevices - * @isp: OMAP3 ISP device - * @board_info: I2C subdevs board information array - * - * Register all I2C subdevices in the board_info array. The array must be - * terminated by a NULL entry, and the first entry must be the sensor. - * - * Return a pointer to the sensor media entity if it has been successfully - * registered, or NULL otherwise. - */ -static struct v4l2_subdev * -isp_register_subdev_group(struct isp_device *isp, - struct isp_subdev_i2c_board_info *board_info) -{ - struct v4l2_subdev *sensor = NULL; - unsigned int first; - - if (board_info->board_info == NULL) - return NULL; - - for (first = 1; board_info->board_info; ++board_info, first = 0) { - struct v4l2_subdev *subdev; - struct i2c_adapter *adapter; - - adapter = i2c_get_adapter(board_info->i2c_adapter_id); - if (adapter == NULL) { - printk(KERN_ERR "%s: Unable to get I2C adapter %d for " - "device %s\n", __func__, - board_info->i2c_adapter_id, - board_info->board_info->type); - continue; - } - - subdev = v4l2_i2c_new_subdev_board(&isp->v4l2_dev, adapter, - board_info->board_info, NULL); - if (subdev == NULL) { - printk(KERN_ERR "%s: Unable to register subdev %s\n", - __func__, board_info->board_info->type); - continue; - } - - if (first) - sensor = subdev; - } - - return sensor; -} - -static int isp_register_entities(struct isp_device *isp) -{ - struct isp_platform_data *pdata = isp->pdata; - struct isp_v4l2_subdevs_group *subdevs; - int ret; - - isp->media_dev.dev = isp->dev; - strlcpy(isp->media_dev.model, "TI OMAP3 ISP", - sizeof(isp->media_dev.model)); - isp->media_dev.hw_revision = isp->revision; - isp->media_dev.link_notify = isp_pipeline_link_notify; - ret = media_device_register(&isp->media_dev); - if (ret < 0) { - printk(KERN_ERR "%s: Media device registration failed (%d)\n", - __func__, ret); - return ret; - } - - isp->v4l2_dev.mdev = &isp->media_dev; - ret = v4l2_device_register(isp->dev, &isp->v4l2_dev); - if (ret < 0) { - printk(KERN_ERR "%s: V4L2 device registration failed (%d)\n", - __func__, ret); - goto done; - } - - /* Register internal entities */ - ret = omap3isp_ccp2_register_entities(&isp->isp_ccp2, &isp->v4l2_dev); - if (ret < 0) - goto done; - - ret = omap3isp_csi2_register_entities(&isp->isp_csi2a, &isp->v4l2_dev); - if (ret < 0) - goto done; - - ret = omap3isp_ccdc_register_entities(&isp->isp_ccdc, &isp->v4l2_dev); - if (ret < 0) - goto done; - - ret = omap3isp_preview_register_entities(&isp->isp_prev, - &isp->v4l2_dev); - if (ret < 0) - goto done; - - ret = omap3isp_resizer_register_entities(&isp->isp_res, &isp->v4l2_dev); - if (ret < 0) - goto done; - - ret = omap3isp_stat_register_entities(&isp->isp_aewb, &isp->v4l2_dev); - if (ret < 0) - goto done; - - ret = omap3isp_stat_register_entities(&isp->isp_af, &isp->v4l2_dev); - if (ret < 0) - goto done; - - ret = omap3isp_stat_register_entities(&isp->isp_hist, &isp->v4l2_dev); - if (ret < 0) - goto done; - - /* Register external entities */ - for (subdevs = pdata->subdevs; subdevs && subdevs->subdevs; ++subdevs) { - struct v4l2_subdev *sensor; - struct media_entity *input; - unsigned int flags; - unsigned int pad; - - sensor = isp_register_subdev_group(isp, subdevs->subdevs); - if (sensor == NULL) - continue; - - sensor->host_priv = subdevs; - - /* Connect the sensor to the correct interface module. Parallel - * sensors are connected directly to the CCDC, while serial - * sensors are connected to the CSI2a, CCP2b or CSI2c receiver - * through CSIPHY1 or CSIPHY2. - */ - switch (subdevs->interface) { - case ISP_INTERFACE_PARALLEL: - input = &isp->isp_ccdc.subdev.entity; - pad = CCDC_PAD_SINK; - flags = 0; - break; - - case ISP_INTERFACE_CSI2A_PHY2: - input = &isp->isp_csi2a.subdev.entity; - pad = CSI2_PAD_SINK; - flags = MEDIA_LNK_FL_IMMUTABLE - | MEDIA_LNK_FL_ENABLED; - break; - - case ISP_INTERFACE_CCP2B_PHY1: - case ISP_INTERFACE_CCP2B_PHY2: - input = &isp->isp_ccp2.subdev.entity; - pad = CCP2_PAD_SINK; - flags = 0; - break; - - case ISP_INTERFACE_CSI2C_PHY1: - input = &isp->isp_csi2c.subdev.entity; - pad = CSI2_PAD_SINK; - flags = MEDIA_LNK_FL_IMMUTABLE - | MEDIA_LNK_FL_ENABLED; - break; - - default: - printk(KERN_ERR "%s: invalid interface type %u\n", - __func__, subdevs->interface); - ret = -EINVAL; - goto done; - } - - ret = media_entity_create_link(&sensor->entity, 0, input, pad, - flags); - if (ret < 0) - goto done; - } - - ret = v4l2_device_register_subdev_nodes(&isp->v4l2_dev); - -done: - if (ret < 0) - isp_unregister_entities(isp); - - return ret; -} - -static void isp_cleanup_modules(struct isp_device *isp) -{ - omap3isp_h3a_aewb_cleanup(isp); - omap3isp_h3a_af_cleanup(isp); - omap3isp_hist_cleanup(isp); - omap3isp_resizer_cleanup(isp); - omap3isp_preview_cleanup(isp); - omap3isp_ccdc_cleanup(isp); - omap3isp_ccp2_cleanup(isp); - omap3isp_csi2_cleanup(isp); -} - -static int isp_initialize_modules(struct isp_device *isp) -{ - int ret; - - ret = omap3isp_csiphy_init(isp); - if (ret < 0) { - dev_err(isp->dev, "CSI PHY initialization failed\n"); - goto error_csiphy; - } - - ret = omap3isp_csi2_init(isp); - if (ret < 0) { - dev_err(isp->dev, "CSI2 initialization failed\n"); - goto error_csi2; - } - - ret = omap3isp_ccp2_init(isp); - if (ret < 0) { - dev_err(isp->dev, "CCP2 initialization failed\n"); - goto error_ccp2; - } - - ret = omap3isp_ccdc_init(isp); - if (ret < 0) { - dev_err(isp->dev, "CCDC initialization failed\n"); - goto error_ccdc; - } - - ret = omap3isp_preview_init(isp); - if (ret < 0) { - dev_err(isp->dev, "Preview initialization failed\n"); - goto error_preview; - } - - ret = omap3isp_resizer_init(isp); - if (ret < 0) { - dev_err(isp->dev, "Resizer initialization failed\n"); - goto error_resizer; - } - - ret = omap3isp_hist_init(isp); - if (ret < 0) { - dev_err(isp->dev, "Histogram initialization failed\n"); - goto error_hist; - } - - ret = omap3isp_h3a_aewb_init(isp); - if (ret < 0) { - dev_err(isp->dev, "H3A AEWB initialization failed\n"); - goto error_h3a_aewb; - } - - ret = omap3isp_h3a_af_init(isp); - if (ret < 0) { - dev_err(isp->dev, "H3A AF initialization failed\n"); - goto error_h3a_af; - } - - /* Connect the submodules. */ - ret = media_entity_create_link( - &isp->isp_csi2a.subdev.entity, CSI2_PAD_SOURCE, - &isp->isp_ccdc.subdev.entity, CCDC_PAD_SINK, 0); - if (ret < 0) - goto error_link; - - ret = media_entity_create_link( - &isp->isp_ccp2.subdev.entity, CCP2_PAD_SOURCE, - &isp->isp_ccdc.subdev.entity, CCDC_PAD_SINK, 0); - if (ret < 0) - goto error_link; - - ret = media_entity_create_link( - &isp->isp_ccdc.subdev.entity, CCDC_PAD_SOURCE_VP, - &isp->isp_prev.subdev.entity, PREV_PAD_SINK, 0); - if (ret < 0) - goto error_link; - - ret = media_entity_create_link( - &isp->isp_ccdc.subdev.entity, CCDC_PAD_SOURCE_OF, - &isp->isp_res.subdev.entity, RESZ_PAD_SINK, 0); - if (ret < 0) - goto error_link; - - ret = media_entity_create_link( - &isp->isp_prev.subdev.entity, PREV_PAD_SOURCE, - &isp->isp_res.subdev.entity, RESZ_PAD_SINK, 0); - if (ret < 0) - goto error_link; - - ret = media_entity_create_link( - &isp->isp_ccdc.subdev.entity, CCDC_PAD_SOURCE_VP, - &isp->isp_aewb.subdev.entity, 0, - MEDIA_LNK_FL_ENABLED | MEDIA_LNK_FL_IMMUTABLE); - if (ret < 0) - goto error_link; - - ret = media_entity_create_link( - &isp->isp_ccdc.subdev.entity, CCDC_PAD_SOURCE_VP, - &isp->isp_af.subdev.entity, 0, - MEDIA_LNK_FL_ENABLED | MEDIA_LNK_FL_IMMUTABLE); - if (ret < 0) - goto error_link; - - ret = media_entity_create_link( - &isp->isp_ccdc.subdev.entity, CCDC_PAD_SOURCE_VP, - &isp->isp_hist.subdev.entity, 0, - MEDIA_LNK_FL_ENABLED | MEDIA_LNK_FL_IMMUTABLE); - if (ret < 0) - goto error_link; - - return 0; - -error_link: - omap3isp_h3a_af_cleanup(isp); -error_h3a_af: - omap3isp_h3a_aewb_cleanup(isp); -error_h3a_aewb: - omap3isp_hist_cleanup(isp); -error_hist: - omap3isp_resizer_cleanup(isp); -error_resizer: - omap3isp_preview_cleanup(isp); -error_preview: - omap3isp_ccdc_cleanup(isp); -error_ccdc: - omap3isp_ccp2_cleanup(isp); -error_ccp2: - omap3isp_csi2_cleanup(isp); -error_csi2: -error_csiphy: - return ret; -} - -/* - * isp_remove - Remove ISP platform device - * @pdev: Pointer to ISP platform device - * - * Always returns 0. - */ -static int __devexit isp_remove(struct platform_device *pdev) -{ - struct isp_device *isp = platform_get_drvdata(pdev); - int i; - - isp_unregister_entities(isp); - isp_cleanup_modules(isp); - - __omap3isp_get(isp, false); - iommu_detach_device(isp->domain, &pdev->dev); - iommu_domain_free(isp->domain); - isp->domain = NULL; - omap3isp_put(isp); - - free_irq(isp->irq_num, isp); - isp_put_clocks(isp); - - for (i = 0; i < OMAP3_ISP_IOMEM_LAST; i++) { - if (isp->mmio_base[i]) { - iounmap(isp->mmio_base[i]); - isp->mmio_base[i] = NULL; - } - - if (isp->mmio_base_phys[i]) { - release_mem_region(isp->mmio_base_phys[i], - isp->mmio_size[i]); - isp->mmio_base_phys[i] = 0; - } - } - - regulator_put(isp->isp_csiphy1.vdd); - regulator_put(isp->isp_csiphy2.vdd); - kfree(isp); - - return 0; -} - -static int isp_map_mem_resource(struct platform_device *pdev, - struct isp_device *isp, - enum isp_mem_resources res) -{ - struct resource *mem; - - /* request the mem region for the camera registers */ - - mem = platform_get_resource(pdev, IORESOURCE_MEM, res); - if (!mem) { - dev_err(isp->dev, "no mem resource?\n"); - return -ENODEV; - } - - if (!request_mem_region(mem->start, resource_size(mem), pdev->name)) { - dev_err(isp->dev, - "cannot reserve camera register I/O region\n"); - return -ENODEV; - } - isp->mmio_base_phys[res] = mem->start; - isp->mmio_size[res] = resource_size(mem); - - /* map the region */ - isp->mmio_base[res] = ioremap_nocache(isp->mmio_base_phys[res], - isp->mmio_size[res]); - if (!isp->mmio_base[res]) { - dev_err(isp->dev, "cannot map camera register I/O region\n"); - return -ENODEV; - } - - return 0; -} - -/* - * isp_probe - Probe ISP platform device - * @pdev: Pointer to ISP platform device - * - * Returns 0 if successful, - * -ENOMEM if no memory available, - * -ENODEV if no platform device resources found - * or no space for remapping registers, - * -EINVAL if couldn't install ISR, - * or clk_get return error value. - */ -static int __devinit isp_probe(struct platform_device *pdev) -{ - struct isp_platform_data *pdata = pdev->dev.platform_data; - struct isp_device *isp; - int ret; - int i, m; - - if (pdata == NULL) - return -EINVAL; - - isp = kzalloc(sizeof(*isp), GFP_KERNEL); - if (!isp) { - dev_err(&pdev->dev, "could not allocate memory\n"); - return -ENOMEM; - } - - isp->autoidle = autoidle; - isp->platform_cb.set_xclk = isp_set_xclk; - - mutex_init(&isp->isp_mutex); - spin_lock_init(&isp->stat_lock); - - isp->dev = &pdev->dev; - isp->pdata = pdata; - isp->ref_count = 0; - - isp->raw_dmamask = DMA_BIT_MASK(32); - isp->dev->dma_mask = &isp->raw_dmamask; - isp->dev->coherent_dma_mask = DMA_BIT_MASK(32); - - platform_set_drvdata(pdev, isp); - - /* Regulators */ - isp->isp_csiphy1.vdd = regulator_get(&pdev->dev, "VDD_CSIPHY1"); - isp->isp_csiphy2.vdd = regulator_get(&pdev->dev, "VDD_CSIPHY2"); - - /* Clocks */ - ret = isp_map_mem_resource(pdev, isp, OMAP3_ISP_IOMEM_MAIN); - if (ret < 0) - goto error; - - ret = isp_get_clocks(isp); - if (ret < 0) - goto error; - - if (__omap3isp_get(isp, false) == NULL) - goto error; - - ret = isp_reset(isp); - if (ret < 0) - goto error_isp; - - /* Memory resources */ - isp->revision = isp_reg_readl(isp, OMAP3_ISP_IOMEM_MAIN, ISP_REVISION); - dev_info(isp->dev, "Revision %d.%d found\n", - (isp->revision & 0xf0) >> 4, isp->revision & 0x0f); - - for (m = 0; m < ARRAY_SIZE(isp_res_maps); m++) - if (isp->revision == isp_res_maps[m].isp_rev) - break; - - if (m == ARRAY_SIZE(isp_res_maps)) { - dev_err(isp->dev, "No resource map found for ISP rev %d.%d\n", - (isp->revision & 0xf0) >> 4, isp->revision & 0xf); - ret = -ENODEV; - goto error_isp; - } - - for (i = 1; i < OMAP3_ISP_IOMEM_LAST; i++) { - if (isp_res_maps[m].map & 1 << i) { - ret = isp_map_mem_resource(pdev, isp, i); - if (ret) - goto error_isp; - } - } - - isp->domain = iommu_domain_alloc(pdev->dev.bus); - if (!isp->domain) { - dev_err(isp->dev, "can't alloc iommu domain\n"); - ret = -ENOMEM; - goto error_isp; - } - - ret = iommu_attach_device(isp->domain, &pdev->dev); - if (ret) { - dev_err(&pdev->dev, "can't attach iommu device: %d\n", ret); - goto free_domain; - } - - /* Interrupt */ - isp->irq_num = platform_get_irq(pdev, 0); - if (isp->irq_num <= 0) { - dev_err(isp->dev, "No IRQ resource\n"); - ret = -ENODEV; - goto detach_dev; - } - - if (request_irq(isp->irq_num, isp_isr, IRQF_SHARED, "OMAP3 ISP", isp)) { - dev_err(isp->dev, "Unable to request IRQ\n"); - ret = -EINVAL; - goto detach_dev; - } - - /* Entities */ - ret = isp_initialize_modules(isp); - if (ret < 0) - goto error_irq; - - ret = isp_register_entities(isp); - if (ret < 0) - goto error_modules; - - isp_core_init(isp, 1); - omap3isp_put(isp); - - return 0; - -error_modules: - isp_cleanup_modules(isp); -error_irq: - free_irq(isp->irq_num, isp); -detach_dev: - iommu_detach_device(isp->domain, &pdev->dev); -free_domain: - iommu_domain_free(isp->domain); -error_isp: - omap3isp_put(isp); -error: - isp_put_clocks(isp); - - for (i = 0; i < OMAP3_ISP_IOMEM_LAST; i++) { - if (isp->mmio_base[i]) { - iounmap(isp->mmio_base[i]); - isp->mmio_base[i] = NULL; - } - - if (isp->mmio_base_phys[i]) { - release_mem_region(isp->mmio_base_phys[i], - isp->mmio_size[i]); - isp->mmio_base_phys[i] = 0; - } - } - regulator_put(isp->isp_csiphy2.vdd); - regulator_put(isp->isp_csiphy1.vdd); - platform_set_drvdata(pdev, NULL); - - mutex_destroy(&isp->isp_mutex); - kfree(isp); - - return ret; -} - -static const struct dev_pm_ops omap3isp_pm_ops = { - .prepare = isp_pm_prepare, - .suspend = isp_pm_suspend, - .resume = isp_pm_resume, - .complete = isp_pm_complete, -}; - -static struct platform_device_id omap3isp_id_table[] = { - { "omap3isp", 0 }, - { }, -}; -MODULE_DEVICE_TABLE(platform, omap3isp_id_table); - -static struct platform_driver omap3isp_driver = { - .probe = isp_probe, - .remove = __devexit_p(isp_remove), - .id_table = omap3isp_id_table, - .driver = { - .owner = THIS_MODULE, - .name = "omap3isp", - .pm = &omap3isp_pm_ops, - }, -}; - -module_platform_driver(omap3isp_driver); - -MODULE_AUTHOR("Nokia Corporation"); -MODULE_DESCRIPTION("TI OMAP3 ISP driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(ISP_VIDEO_DRIVER_VERSION); diff --git a/drivers/media/video/omap3isp/isp.h b/drivers/media/video/omap3isp/isp.h deleted file mode 100644 index 8be7487c326f..000000000000 --- a/drivers/media/video/omap3isp/isp.h +++ /dev/null @@ -1,352 +0,0 @@ -/* - * isp.h - * - * TI OMAP3 ISP - Core - * - * Copyright (C) 2009-2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef OMAP3_ISP_CORE_H -#define OMAP3_ISP_CORE_H - -#include <media/omap3isp.h> -#include <media/v4l2-device.h> -#include <linux/device.h> -#include <linux/io.h> -#include <linux/platform_device.h> -#include <linux/wait.h> -#include <linux/iommu.h> -#include <plat/iommu.h> -#include <plat/iovmm.h> - -#include "ispstat.h" -#include "ispccdc.h" -#include "ispreg.h" -#include "ispresizer.h" -#include "isppreview.h" -#include "ispcsiphy.h" -#include "ispcsi2.h" -#include "ispccp2.h" - -#define IOMMU_FLAG (IOVMF_ENDIAN_LITTLE | IOVMF_ELSZ_8) - -#define ISP_TOK_TERM 0xFFFFFFFF /* - * terminating token for ISP - * modules reg list - */ -#define to_isp_device(ptr_module) \ - container_of(ptr_module, struct isp_device, isp_##ptr_module) -#define to_device(ptr_module) \ - (to_isp_device(ptr_module)->dev) - -enum isp_mem_resources { - OMAP3_ISP_IOMEM_MAIN, - OMAP3_ISP_IOMEM_CCP2, - OMAP3_ISP_IOMEM_CCDC, - OMAP3_ISP_IOMEM_HIST, - OMAP3_ISP_IOMEM_H3A, - OMAP3_ISP_IOMEM_PREV, - OMAP3_ISP_IOMEM_RESZ, - OMAP3_ISP_IOMEM_SBL, - OMAP3_ISP_IOMEM_CSI2A_REGS1, - OMAP3_ISP_IOMEM_CSIPHY2, - OMAP3_ISP_IOMEM_CSI2A_REGS2, - OMAP3_ISP_IOMEM_CSI2C_REGS1, - OMAP3_ISP_IOMEM_CSIPHY1, - OMAP3_ISP_IOMEM_CSI2C_REGS2, - OMAP3_ISP_IOMEM_LAST -}; - -enum isp_sbl_resource { - OMAP3_ISP_SBL_CSI1_READ = 0x1, - OMAP3_ISP_SBL_CSI1_WRITE = 0x2, - OMAP3_ISP_SBL_CSI2A_WRITE = 0x4, - OMAP3_ISP_SBL_CSI2C_WRITE = 0x8, - OMAP3_ISP_SBL_CCDC_LSC_READ = 0x10, - OMAP3_ISP_SBL_CCDC_WRITE = 0x20, - OMAP3_ISP_SBL_PREVIEW_READ = 0x40, - OMAP3_ISP_SBL_PREVIEW_WRITE = 0x80, - OMAP3_ISP_SBL_RESIZER_READ = 0x100, - OMAP3_ISP_SBL_RESIZER_WRITE = 0x200, -}; - -enum isp_subclk_resource { - OMAP3_ISP_SUBCLK_CCDC = (1 << 0), - OMAP3_ISP_SUBCLK_AEWB = (1 << 1), - OMAP3_ISP_SUBCLK_AF = (1 << 2), - OMAP3_ISP_SUBCLK_HIST = (1 << 3), - OMAP3_ISP_SUBCLK_PREVIEW = (1 << 4), - OMAP3_ISP_SUBCLK_RESIZER = (1 << 5), -}; - -/* ISP: OMAP 34xx ES 1.0 */ -#define ISP_REVISION_1_0 0x10 -/* ISP2: OMAP 34xx ES 2.0, 2.1 and 3.0 */ -#define ISP_REVISION_2_0 0x20 -/* ISP2P: OMAP 36xx */ -#define ISP_REVISION_15_0 0xF0 - -/* - * struct isp_res_mapping - Map ISP io resources to ISP revision. - * @isp_rev: ISP_REVISION_x_x - * @map: bitmap for enum isp_mem_resources - */ -struct isp_res_mapping { - u32 isp_rev; - u32 map; -}; - -/* - * struct isp_reg - Structure for ISP register values. - * @reg: 32-bit Register address. - * @val: 32-bit Register value. - */ -struct isp_reg { - enum isp_mem_resources mmio_range; - u32 reg; - u32 val; -}; - -struct isp_platform_callback { - u32 (*set_xclk)(struct isp_device *isp, u32 xclk, u8 xclksel); - int (*csiphy_config)(struct isp_csiphy *phy, - struct isp_csiphy_dphy_cfg *dphy, - struct isp_csiphy_lanes_cfg *lanes); -}; - -/* - * struct isp_device - ISP device structure. - * @dev: Device pointer specific to the OMAP3 ISP. - * @revision: Stores current ISP module revision. - * @irq_num: Currently used IRQ number. - * @mmio_base: Array with kernel base addresses for ioremapped ISP register - * regions. - * @mmio_base_phys: Array with physical L4 bus addresses for ISP register - * regions. - * @mmio_size: Array with ISP register regions size in bytes. - * @raw_dmamask: Raw DMA mask - * @stat_lock: Spinlock for handling statistics - * @isp_mutex: Mutex for serializing requests to ISP. - * @crashed: Bitmask of crashed entities (indexed by entity ID) - * @has_context: Context has been saved at least once and can be restored. - * @ref_count: Reference count for handling multiple ISP requests. - * @cam_ick: Pointer to camera interface clock structure. - * @cam_mclk: Pointer to camera functional clock structure. - * @dpll4_m5_ck: Pointer to DPLL4 M5 clock structure. - * @csi2_fck: Pointer to camera CSI2 complexIO clock structure. - * @l3_ick: Pointer to OMAP3 L3 bus interface clock. - * @irq: Currently attached ISP ISR callbacks information structure. - * @isp_af: Pointer to current settings for ISP AutoFocus SCM. - * @isp_hist: Pointer to current settings for ISP Histogram SCM. - * @isp_h3a: Pointer to current settings for ISP Auto Exposure and - * White Balance SCM. - * @isp_res: Pointer to current settings for ISP Resizer. - * @isp_prev: Pointer to current settings for ISP Preview. - * @isp_ccdc: Pointer to current settings for ISP CCDC. - * @iommu: Pointer to requested IOMMU instance for ISP. - * @platform_cb: ISP driver callback function pointers for platform code - * - * This structure is used to store the OMAP ISP Information. - */ -struct isp_device { - struct v4l2_device v4l2_dev; - struct media_device media_dev; - struct device *dev; - u32 revision; - - /* platform HW resources */ - struct isp_platform_data *pdata; - unsigned int irq_num; - - void __iomem *mmio_base[OMAP3_ISP_IOMEM_LAST]; - unsigned long mmio_base_phys[OMAP3_ISP_IOMEM_LAST]; - resource_size_t mmio_size[OMAP3_ISP_IOMEM_LAST]; - - u64 raw_dmamask; - - /* ISP Obj */ - spinlock_t stat_lock; /* common lock for statistic drivers */ - struct mutex isp_mutex; /* For handling ref_count field */ - u32 crashed; - int has_context; - int ref_count; - unsigned int autoidle; - u32 xclk_divisor[2]; /* Two clocks, a and b. */ -#define ISP_CLK_CAM_ICK 0 -#define ISP_CLK_CAM_MCLK 1 -#define ISP_CLK_DPLL4_M5_CK 2 -#define ISP_CLK_CSI2_FCK 3 -#define ISP_CLK_L3_ICK 4 - struct clk *clock[5]; - - /* ISP modules */ - struct ispstat isp_af; - struct ispstat isp_aewb; - struct ispstat isp_hist; - struct isp_res_device isp_res; - struct isp_prev_device isp_prev; - struct isp_ccdc_device isp_ccdc; - struct isp_csi2_device isp_csi2a; - struct isp_csi2_device isp_csi2c; - struct isp_ccp2_device isp_ccp2; - struct isp_csiphy isp_csiphy1; - struct isp_csiphy isp_csiphy2; - - unsigned int sbl_resources; - unsigned int subclk_resources; - - struct iommu_domain *domain; - - struct isp_platform_callback platform_cb; -}; - -#define v4l2_dev_to_isp_device(dev) \ - container_of(dev, struct isp_device, v4l2_dev) - -void omap3isp_hist_dma_done(struct isp_device *isp); - -void omap3isp_flush(struct isp_device *isp); - -int omap3isp_module_sync_idle(struct media_entity *me, wait_queue_head_t *wait, - atomic_t *stopping); - -int omap3isp_module_sync_is_stopping(wait_queue_head_t *wait, - atomic_t *stopping); - -int omap3isp_pipeline_set_stream(struct isp_pipeline *pipe, - enum isp_pipeline_stream_state state); -void omap3isp_configure_bridge(struct isp_device *isp, - enum ccdc_input_entity input, - const struct isp_parallel_platform_data *pdata, - unsigned int shift, unsigned int bridge); - -struct isp_device *omap3isp_get(struct isp_device *isp); -void omap3isp_put(struct isp_device *isp); - -void omap3isp_print_status(struct isp_device *isp); - -void omap3isp_sbl_enable(struct isp_device *isp, enum isp_sbl_resource res); -void omap3isp_sbl_disable(struct isp_device *isp, enum isp_sbl_resource res); - -void omap3isp_subclk_enable(struct isp_device *isp, - enum isp_subclk_resource res); -void omap3isp_subclk_disable(struct isp_device *isp, - enum isp_subclk_resource res); - -int omap3isp_pipeline_pm_use(struct media_entity *entity, int use); - -int omap3isp_register_entities(struct platform_device *pdev, - struct v4l2_device *v4l2_dev); -void omap3isp_unregister_entities(struct platform_device *pdev); - -/* - * isp_reg_readl - Read value of an OMAP3 ISP register - * @dev: Device pointer specific to the OMAP3 ISP. - * @isp_mmio_range: Range to which the register offset refers to. - * @reg_offset: Register offset to read from. - * - * Returns an unsigned 32 bit value with the required register contents. - */ -static inline -u32 isp_reg_readl(struct isp_device *isp, enum isp_mem_resources isp_mmio_range, - u32 reg_offset) -{ - return __raw_readl(isp->mmio_base[isp_mmio_range] + reg_offset); -} - -/* - * isp_reg_writel - Write value to an OMAP3 ISP register - * @dev: Device pointer specific to the OMAP3 ISP. - * @reg_value: 32 bit value to write to the register. - * @isp_mmio_range: Range to which the register offset refers to. - * @reg_offset: Register offset to write into. - */ -static inline -void isp_reg_writel(struct isp_device *isp, u32 reg_value, - enum isp_mem_resources isp_mmio_range, u32 reg_offset) -{ - __raw_writel(reg_value, isp->mmio_base[isp_mmio_range] + reg_offset); -} - -/* - * isp_reg_and - Clear individual bits in an OMAP3 ISP register - * @dev: Device pointer specific to the OMAP3 ISP. - * @mmio_range: Range to which the register offset refers to. - * @reg: Register offset to work on. - * @clr_bits: 32 bit value which would be cleared in the register. - */ -static inline -void isp_reg_clr(struct isp_device *isp, enum isp_mem_resources mmio_range, - u32 reg, u32 clr_bits) -{ - u32 v = isp_reg_readl(isp, mmio_range, reg); - - isp_reg_writel(isp, v & ~clr_bits, mmio_range, reg); -} - -/* - * isp_reg_set - Set individual bits in an OMAP3 ISP register - * @dev: Device pointer specific to the OMAP3 ISP. - * @mmio_range: Range to which the register offset refers to. - * @reg: Register offset to work on. - * @set_bits: 32 bit value which would be set in the register. - */ -static inline -void isp_reg_set(struct isp_device *isp, enum isp_mem_resources mmio_range, - u32 reg, u32 set_bits) -{ - u32 v = isp_reg_readl(isp, mmio_range, reg); - - isp_reg_writel(isp, v | set_bits, mmio_range, reg); -} - -/* - * isp_reg_clr_set - Clear and set invidial bits in an OMAP3 ISP register - * @dev: Device pointer specific to the OMAP3 ISP. - * @mmio_range: Range to which the register offset refers to. - * @reg: Register offset to work on. - * @clr_bits: 32 bit value which would be cleared in the register. - * @set_bits: 32 bit value which would be set in the register. - * - * The clear operation is done first, and then the set operation. - */ -static inline -void isp_reg_clr_set(struct isp_device *isp, enum isp_mem_resources mmio_range, - u32 reg, u32 clr_bits, u32 set_bits) -{ - u32 v = isp_reg_readl(isp, mmio_range, reg); - - isp_reg_writel(isp, (v & ~clr_bits) | set_bits, mmio_range, reg); -} - -static inline enum v4l2_buf_type -isp_pad_buffer_type(const struct v4l2_subdev *subdev, int pad) -{ - if (pad >= subdev->entity.num_pads) - return 0; - - if (subdev->entity.pads[pad].flags & MEDIA_PAD_FL_SINK) - return V4L2_BUF_TYPE_VIDEO_OUTPUT; - else - return V4L2_BUF_TYPE_VIDEO_CAPTURE; -} - -#endif /* OMAP3_ISP_CORE_H */ diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c deleted file mode 100644 index aa9df9d71a7b..000000000000 --- a/drivers/media/video/omap3isp/ispccdc.c +++ /dev/null @@ -1,2583 +0,0 @@ -/* - * ispccdc.c - * - * TI OMAP3 ISP - CCDC module - * - * Copyright (C) 2009-2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <linux/module.h> -#include <linux/uaccess.h> -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/dma-mapping.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <media/v4l2-event.h> - -#include "isp.h" -#include "ispreg.h" -#include "ispccdc.h" - -#define CCDC_MIN_WIDTH 32 -#define CCDC_MIN_HEIGHT 32 - -static struct v4l2_mbus_framefmt * -__ccdc_get_format(struct isp_ccdc_device *ccdc, struct v4l2_subdev_fh *fh, - unsigned int pad, enum v4l2_subdev_format_whence which); - -static const unsigned int ccdc_fmts[] = { - V4L2_MBUS_FMT_Y8_1X8, - V4L2_MBUS_FMT_Y10_1X10, - V4L2_MBUS_FMT_Y12_1X12, - V4L2_MBUS_FMT_SGRBG8_1X8, - V4L2_MBUS_FMT_SRGGB8_1X8, - V4L2_MBUS_FMT_SBGGR8_1X8, - V4L2_MBUS_FMT_SGBRG8_1X8, - V4L2_MBUS_FMT_SGRBG10_1X10, - V4L2_MBUS_FMT_SRGGB10_1X10, - V4L2_MBUS_FMT_SBGGR10_1X10, - V4L2_MBUS_FMT_SGBRG10_1X10, - V4L2_MBUS_FMT_SGRBG12_1X12, - V4L2_MBUS_FMT_SRGGB12_1X12, - V4L2_MBUS_FMT_SBGGR12_1X12, - V4L2_MBUS_FMT_SGBRG12_1X12, - V4L2_MBUS_FMT_YUYV8_2X8, - V4L2_MBUS_FMT_UYVY8_2X8, -}; - -/* - * ccdc_print_status - Print current CCDC Module register values. - * @ccdc: Pointer to ISP CCDC device. - * - * Also prints other debug information stored in the CCDC module. - */ -#define CCDC_PRINT_REGISTER(isp, name)\ - dev_dbg(isp->dev, "###CCDC " #name "=0x%08x\n", \ - isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_##name)) - -static void ccdc_print_status(struct isp_ccdc_device *ccdc) -{ - struct isp_device *isp = to_isp_device(ccdc); - - dev_dbg(isp->dev, "-------------CCDC Register dump-------------\n"); - - CCDC_PRINT_REGISTER(isp, PCR); - CCDC_PRINT_REGISTER(isp, SYN_MODE); - CCDC_PRINT_REGISTER(isp, HD_VD_WID); - CCDC_PRINT_REGISTER(isp, PIX_LINES); - CCDC_PRINT_REGISTER(isp, HORZ_INFO); - CCDC_PRINT_REGISTER(isp, VERT_START); - CCDC_PRINT_REGISTER(isp, VERT_LINES); - CCDC_PRINT_REGISTER(isp, CULLING); - CCDC_PRINT_REGISTER(isp, HSIZE_OFF); - CCDC_PRINT_REGISTER(isp, SDOFST); - CCDC_PRINT_REGISTER(isp, SDR_ADDR); - CCDC_PRINT_REGISTER(isp, CLAMP); - CCDC_PRINT_REGISTER(isp, DCSUB); - CCDC_PRINT_REGISTER(isp, COLPTN); - CCDC_PRINT_REGISTER(isp, BLKCMP); - CCDC_PRINT_REGISTER(isp, FPC); - CCDC_PRINT_REGISTER(isp, FPC_ADDR); - CCDC_PRINT_REGISTER(isp, VDINT); - CCDC_PRINT_REGISTER(isp, ALAW); - CCDC_PRINT_REGISTER(isp, REC656IF); - CCDC_PRINT_REGISTER(isp, CFG); - CCDC_PRINT_REGISTER(isp, FMTCFG); - CCDC_PRINT_REGISTER(isp, FMT_HORZ); - CCDC_PRINT_REGISTER(isp, FMT_VERT); - CCDC_PRINT_REGISTER(isp, PRGEVEN0); - CCDC_PRINT_REGISTER(isp, PRGEVEN1); - CCDC_PRINT_REGISTER(isp, PRGODD0); - CCDC_PRINT_REGISTER(isp, PRGODD1); - CCDC_PRINT_REGISTER(isp, VP_OUT); - CCDC_PRINT_REGISTER(isp, LSC_CONFIG); - CCDC_PRINT_REGISTER(isp, LSC_INITIAL); - CCDC_PRINT_REGISTER(isp, LSC_TABLE_BASE); - CCDC_PRINT_REGISTER(isp, LSC_TABLE_OFFSET); - - dev_dbg(isp->dev, "--------------------------------------------\n"); -} - -/* - * omap3isp_ccdc_busy - Get busy state of the CCDC. - * @ccdc: Pointer to ISP CCDC device. - */ -int omap3isp_ccdc_busy(struct isp_ccdc_device *ccdc) -{ - struct isp_device *isp = to_isp_device(ccdc); - - return isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_PCR) & - ISPCCDC_PCR_BUSY; -} - -/* ----------------------------------------------------------------------------- - * Lens Shading Compensation - */ - -/* - * ccdc_lsc_validate_config - Check that LSC configuration is valid. - * @ccdc: Pointer to ISP CCDC device. - * @lsc_cfg: the LSC configuration to check. - * - * Returns 0 if the LSC configuration is valid, or -EINVAL if invalid. - */ -static int ccdc_lsc_validate_config(struct isp_ccdc_device *ccdc, - struct omap3isp_ccdc_lsc_config *lsc_cfg) -{ - struct isp_device *isp = to_isp_device(ccdc); - struct v4l2_mbus_framefmt *format; - unsigned int paxel_width, paxel_height; - unsigned int paxel_shift_x, paxel_shift_y; - unsigned int min_width, min_height, min_size; - unsigned int input_width, input_height; - - paxel_shift_x = lsc_cfg->gain_mode_m; - paxel_shift_y = lsc_cfg->gain_mode_n; - - if ((paxel_shift_x < 2) || (paxel_shift_x > 6) || - (paxel_shift_y < 2) || (paxel_shift_y > 6)) { - dev_dbg(isp->dev, "CCDC: LSC: Invalid paxel size\n"); - return -EINVAL; - } - - if (lsc_cfg->offset & 3) { - dev_dbg(isp->dev, "CCDC: LSC: Offset must be a multiple of " - "4\n"); - return -EINVAL; - } - - if ((lsc_cfg->initial_x & 1) || (lsc_cfg->initial_y & 1)) { - dev_dbg(isp->dev, "CCDC: LSC: initial_x and y must be even\n"); - return -EINVAL; - } - - format = __ccdc_get_format(ccdc, NULL, CCDC_PAD_SINK, - V4L2_SUBDEV_FORMAT_ACTIVE); - input_width = format->width; - input_height = format->height; - - /* Calculate minimum bytesize for validation */ - paxel_width = 1 << paxel_shift_x; - min_width = ((input_width + lsc_cfg->initial_x + paxel_width - 1) - >> paxel_shift_x) + 1; - - paxel_height = 1 << paxel_shift_y; - min_height = ((input_height + lsc_cfg->initial_y + paxel_height - 1) - >> paxel_shift_y) + 1; - - min_size = 4 * min_width * min_height; - if (min_size > lsc_cfg->size) { - dev_dbg(isp->dev, "CCDC: LSC: too small table\n"); - return -EINVAL; - } - if (lsc_cfg->offset < (min_width * 4)) { - dev_dbg(isp->dev, "CCDC: LSC: Offset is too small\n"); - return -EINVAL; - } - if ((lsc_cfg->size / lsc_cfg->offset) < min_height) { - dev_dbg(isp->dev, "CCDC: LSC: Wrong size/offset combination\n"); - return -EINVAL; - } - return 0; -} - -/* - * ccdc_lsc_program_table - Program Lens Shading Compensation table address. - * @ccdc: Pointer to ISP CCDC device. - */ -static void ccdc_lsc_program_table(struct isp_ccdc_device *ccdc, u32 addr) -{ - isp_reg_writel(to_isp_device(ccdc), addr, - OMAP3_ISP_IOMEM_CCDC, ISPCCDC_LSC_TABLE_BASE); -} - -/* - * ccdc_lsc_setup_regs - Configures the lens shading compensation module - * @ccdc: Pointer to ISP CCDC device. - */ -static void ccdc_lsc_setup_regs(struct isp_ccdc_device *ccdc, - struct omap3isp_ccdc_lsc_config *cfg) -{ - struct isp_device *isp = to_isp_device(ccdc); - int reg; - - isp_reg_writel(isp, cfg->offset, OMAP3_ISP_IOMEM_CCDC, - ISPCCDC_LSC_TABLE_OFFSET); - - reg = 0; - reg |= cfg->gain_mode_n << ISPCCDC_LSC_GAIN_MODE_N_SHIFT; - reg |= cfg->gain_mode_m << ISPCCDC_LSC_GAIN_MODE_M_SHIFT; - reg |= cfg->gain_format << ISPCCDC_LSC_GAIN_FORMAT_SHIFT; - isp_reg_writel(isp, reg, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_LSC_CONFIG); - - reg = 0; - reg &= ~ISPCCDC_LSC_INITIAL_X_MASK; - reg |= cfg->initial_x << ISPCCDC_LSC_INITIAL_X_SHIFT; - reg &= ~ISPCCDC_LSC_INITIAL_Y_MASK; - reg |= cfg->initial_y << ISPCCDC_LSC_INITIAL_Y_SHIFT; - isp_reg_writel(isp, reg, OMAP3_ISP_IOMEM_CCDC, - ISPCCDC_LSC_INITIAL); -} - -static int ccdc_lsc_wait_prefetch(struct isp_ccdc_device *ccdc) -{ - struct isp_device *isp = to_isp_device(ccdc); - unsigned int wait; - - isp_reg_writel(isp, IRQ0STATUS_CCDC_LSC_PREF_COMP_IRQ, - OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS); - - /* timeout 1 ms */ - for (wait = 0; wait < 1000; wait++) { - if (isp_reg_readl(isp, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS) & - IRQ0STATUS_CCDC_LSC_PREF_COMP_IRQ) { - isp_reg_writel(isp, IRQ0STATUS_CCDC_LSC_PREF_COMP_IRQ, - OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS); - return 0; - } - - rmb(); - udelay(1); - } - - return -ETIMEDOUT; -} - -/* - * __ccdc_lsc_enable - Enables/Disables the Lens Shading Compensation module. - * @ccdc: Pointer to ISP CCDC device. - * @enable: 0 Disables LSC, 1 Enables LSC. - */ -static int __ccdc_lsc_enable(struct isp_ccdc_device *ccdc, int enable) -{ - struct isp_device *isp = to_isp_device(ccdc); - const struct v4l2_mbus_framefmt *format = - __ccdc_get_format(ccdc, NULL, CCDC_PAD_SINK, - V4L2_SUBDEV_FORMAT_ACTIVE); - - if ((format->code != V4L2_MBUS_FMT_SGRBG10_1X10) && - (format->code != V4L2_MBUS_FMT_SRGGB10_1X10) && - (format->code != V4L2_MBUS_FMT_SBGGR10_1X10) && - (format->code != V4L2_MBUS_FMT_SGBRG10_1X10)) - return -EINVAL; - - if (enable) - omap3isp_sbl_enable(isp, OMAP3_ISP_SBL_CCDC_LSC_READ); - - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_LSC_CONFIG, - ISPCCDC_LSC_ENABLE, enable ? ISPCCDC_LSC_ENABLE : 0); - - if (enable) { - if (ccdc_lsc_wait_prefetch(ccdc) < 0) { - isp_reg_clr(isp, OMAP3_ISP_IOMEM_CCDC, - ISPCCDC_LSC_CONFIG, ISPCCDC_LSC_ENABLE); - ccdc->lsc.state = LSC_STATE_STOPPED; - dev_warn(to_device(ccdc), "LSC prefecth timeout\n"); - return -ETIMEDOUT; - } - ccdc->lsc.state = LSC_STATE_RUNNING; - } else { - ccdc->lsc.state = LSC_STATE_STOPPING; - } - - return 0; -} - -static int ccdc_lsc_busy(struct isp_ccdc_device *ccdc) -{ - struct isp_device *isp = to_isp_device(ccdc); - - return isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_LSC_CONFIG) & - ISPCCDC_LSC_BUSY; -} - -/* __ccdc_lsc_configure - Apply a new configuration to the LSC engine - * @ccdc: Pointer to ISP CCDC device - * @req: New configuration request - * - * context: in_interrupt() - */ -static int __ccdc_lsc_configure(struct isp_ccdc_device *ccdc, - struct ispccdc_lsc_config_req *req) -{ - if (!req->enable) - return -EINVAL; - - if (ccdc_lsc_validate_config(ccdc, &req->config) < 0) { - dev_dbg(to_device(ccdc), "Discard LSC configuration\n"); - return -EINVAL; - } - - if (ccdc_lsc_busy(ccdc)) - return -EBUSY; - - ccdc_lsc_setup_regs(ccdc, &req->config); - ccdc_lsc_program_table(ccdc, req->table); - return 0; -} - -/* - * ccdc_lsc_error_handler - Handle LSC prefetch error scenario. - * @ccdc: Pointer to ISP CCDC device. - * - * Disables LSC, and defers enablement to shadow registers update time. - */ -static void ccdc_lsc_error_handler(struct isp_ccdc_device *ccdc) -{ - struct isp_device *isp = to_isp_device(ccdc); - /* - * From OMAP3 TRM: When this event is pending, the module - * goes into transparent mode (output =input). Normal - * operation can be resumed at the start of the next frame - * after: - * 1) Clearing this event - * 2) Disabling the LSC module - * 3) Enabling it - */ - isp_reg_clr(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_LSC_CONFIG, - ISPCCDC_LSC_ENABLE); - ccdc->lsc.state = LSC_STATE_STOPPED; -} - -static void ccdc_lsc_free_request(struct isp_ccdc_device *ccdc, - struct ispccdc_lsc_config_req *req) -{ - struct isp_device *isp = to_isp_device(ccdc); - - if (req == NULL) - return; - - if (req->iovm) - dma_unmap_sg(isp->dev, req->iovm->sgt->sgl, - req->iovm->sgt->nents, DMA_TO_DEVICE); - if (req->table) - omap_iommu_vfree(isp->domain, isp->dev, req->table); - kfree(req); -} - -static void ccdc_lsc_free_queue(struct isp_ccdc_device *ccdc, - struct list_head *queue) -{ - struct ispccdc_lsc_config_req *req, *n; - unsigned long flags; - - spin_lock_irqsave(&ccdc->lsc.req_lock, flags); - list_for_each_entry_safe(req, n, queue, list) { - list_del(&req->list); - spin_unlock_irqrestore(&ccdc->lsc.req_lock, flags); - ccdc_lsc_free_request(ccdc, req); - spin_lock_irqsave(&ccdc->lsc.req_lock, flags); - } - spin_unlock_irqrestore(&ccdc->lsc.req_lock, flags); -} - -static void ccdc_lsc_free_table_work(struct work_struct *work) -{ - struct isp_ccdc_device *ccdc; - struct ispccdc_lsc *lsc; - - lsc = container_of(work, struct ispccdc_lsc, table_work); - ccdc = container_of(lsc, struct isp_ccdc_device, lsc); - - ccdc_lsc_free_queue(ccdc, &lsc->free_queue); -} - -/* - * ccdc_lsc_config - Configure the LSC module from a userspace request - * - * Store the request LSC configuration in the LSC engine request pointer. The - * configuration will be applied to the hardware when the CCDC will be enabled, - * or at the next LSC interrupt if the CCDC is already running. - */ -static int ccdc_lsc_config(struct isp_ccdc_device *ccdc, - struct omap3isp_ccdc_update_config *config) -{ - struct isp_device *isp = to_isp_device(ccdc); - struct ispccdc_lsc_config_req *req; - unsigned long flags; - void *table; - u16 update; - int ret; - - update = config->update & - (OMAP3ISP_CCDC_CONFIG_LSC | OMAP3ISP_CCDC_TBL_LSC); - if (!update) - return 0; - - if (update != (OMAP3ISP_CCDC_CONFIG_LSC | OMAP3ISP_CCDC_TBL_LSC)) { - dev_dbg(to_device(ccdc), "%s: Both LSC configuration and table " - "need to be supplied\n", __func__); - return -EINVAL; - } - - req = kzalloc(sizeof(*req), GFP_KERNEL); - if (req == NULL) - return -ENOMEM; - - if (config->flag & OMAP3ISP_CCDC_CONFIG_LSC) { - if (copy_from_user(&req->config, config->lsc_cfg, - sizeof(req->config))) { - ret = -EFAULT; - goto done; - } - - req->enable = 1; - - req->table = omap_iommu_vmalloc(isp->domain, isp->dev, 0, - req->config.size, IOMMU_FLAG); - if (IS_ERR_VALUE(req->table)) { - req->table = 0; - ret = -ENOMEM; - goto done; - } - - req->iovm = omap_find_iovm_area(isp->dev, req->table); - if (req->iovm == NULL) { - ret = -ENOMEM; - goto done; - } - - if (!dma_map_sg(isp->dev, req->iovm->sgt->sgl, - req->iovm->sgt->nents, DMA_TO_DEVICE)) { - ret = -ENOMEM; - req->iovm = NULL; - goto done; - } - - dma_sync_sg_for_cpu(isp->dev, req->iovm->sgt->sgl, - req->iovm->sgt->nents, DMA_TO_DEVICE); - - table = omap_da_to_va(isp->dev, req->table); - if (copy_from_user(table, config->lsc, req->config.size)) { - ret = -EFAULT; - goto done; - } - - dma_sync_sg_for_device(isp->dev, req->iovm->sgt->sgl, - req->iovm->sgt->nents, DMA_TO_DEVICE); - } - - spin_lock_irqsave(&ccdc->lsc.req_lock, flags); - if (ccdc->lsc.request) { - list_add_tail(&ccdc->lsc.request->list, &ccdc->lsc.free_queue); - schedule_work(&ccdc->lsc.table_work); - } - ccdc->lsc.request = req; - spin_unlock_irqrestore(&ccdc->lsc.req_lock, flags); - - ret = 0; - -done: - if (ret < 0) - ccdc_lsc_free_request(ccdc, req); - - return ret; -} - -static inline int ccdc_lsc_is_configured(struct isp_ccdc_device *ccdc) -{ - unsigned long flags; - - spin_lock_irqsave(&ccdc->lsc.req_lock, flags); - if (ccdc->lsc.active) { - spin_unlock_irqrestore(&ccdc->lsc.req_lock, flags); - return 1; - } - spin_unlock_irqrestore(&ccdc->lsc.req_lock, flags); - return 0; -} - -static int ccdc_lsc_enable(struct isp_ccdc_device *ccdc) -{ - struct ispccdc_lsc *lsc = &ccdc->lsc; - - if (lsc->state != LSC_STATE_STOPPED) - return -EINVAL; - - if (lsc->active) { - list_add_tail(&lsc->active->list, &lsc->free_queue); - lsc->active = NULL; - } - - if (__ccdc_lsc_configure(ccdc, lsc->request) < 0) { - omap3isp_sbl_disable(to_isp_device(ccdc), - OMAP3_ISP_SBL_CCDC_LSC_READ); - list_add_tail(&lsc->request->list, &lsc->free_queue); - lsc->request = NULL; - goto done; - } - - lsc->active = lsc->request; - lsc->request = NULL; - __ccdc_lsc_enable(ccdc, 1); - -done: - if (!list_empty(&lsc->free_queue)) - schedule_work(&lsc->table_work); - - return 0; -} - -/* ----------------------------------------------------------------------------- - * Parameters configuration - */ - -/* - * ccdc_configure_clamp - Configure optical-black or digital clamping - * @ccdc: Pointer to ISP CCDC device. - * - * The CCDC performs either optical-black or digital clamp. Configure and enable - * the selected clamp method. - */ -static void ccdc_configure_clamp(struct isp_ccdc_device *ccdc) -{ - struct isp_device *isp = to_isp_device(ccdc); - u32 clamp; - - if (ccdc->obclamp) { - clamp = ccdc->clamp.obgain << ISPCCDC_CLAMP_OBGAIN_SHIFT; - clamp |= ccdc->clamp.oblen << ISPCCDC_CLAMP_OBSLEN_SHIFT; - clamp |= ccdc->clamp.oblines << ISPCCDC_CLAMP_OBSLN_SHIFT; - clamp |= ccdc->clamp.obstpixel << ISPCCDC_CLAMP_OBST_SHIFT; - isp_reg_writel(isp, clamp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_CLAMP); - } else { - isp_reg_writel(isp, ccdc->clamp.dcsubval, - OMAP3_ISP_IOMEM_CCDC, ISPCCDC_DCSUB); - } - - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_CLAMP, - ISPCCDC_CLAMP_CLAMPEN, - ccdc->obclamp ? ISPCCDC_CLAMP_CLAMPEN : 0); -} - -/* - * ccdc_configure_fpc - Configure Faulty Pixel Correction - * @ccdc: Pointer to ISP CCDC device. - */ -static void ccdc_configure_fpc(struct isp_ccdc_device *ccdc) -{ - struct isp_device *isp = to_isp_device(ccdc); - - isp_reg_clr(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_FPC, ISPCCDC_FPC_FPCEN); - - if (!ccdc->fpc_en) - return; - - isp_reg_writel(isp, ccdc->fpc.fpcaddr, OMAP3_ISP_IOMEM_CCDC, - ISPCCDC_FPC_ADDR); - /* The FPNUM field must be set before enabling FPC. */ - isp_reg_writel(isp, (ccdc->fpc.fpnum << ISPCCDC_FPC_FPNUM_SHIFT), - OMAP3_ISP_IOMEM_CCDC, ISPCCDC_FPC); - isp_reg_writel(isp, (ccdc->fpc.fpnum << ISPCCDC_FPC_FPNUM_SHIFT) | - ISPCCDC_FPC_FPCEN, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_FPC); -} - -/* - * ccdc_configure_black_comp - Configure Black Level Compensation. - * @ccdc: Pointer to ISP CCDC device. - */ -static void ccdc_configure_black_comp(struct isp_ccdc_device *ccdc) -{ - struct isp_device *isp = to_isp_device(ccdc); - u32 blcomp; - - blcomp = ccdc->blcomp.b_mg << ISPCCDC_BLKCMP_B_MG_SHIFT; - blcomp |= ccdc->blcomp.gb_g << ISPCCDC_BLKCMP_GB_G_SHIFT; - blcomp |= ccdc->blcomp.gr_cy << ISPCCDC_BLKCMP_GR_CY_SHIFT; - blcomp |= ccdc->blcomp.r_ye << ISPCCDC_BLKCMP_R_YE_SHIFT; - - isp_reg_writel(isp, blcomp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_BLKCMP); -} - -/* - * ccdc_configure_lpf - Configure Low-Pass Filter (LPF). - * @ccdc: Pointer to ISP CCDC device. - */ -static void ccdc_configure_lpf(struct isp_ccdc_device *ccdc) -{ - struct isp_device *isp = to_isp_device(ccdc); - - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SYN_MODE, - ISPCCDC_SYN_MODE_LPF, - ccdc->lpf ? ISPCCDC_SYN_MODE_LPF : 0); -} - -/* - * ccdc_configure_alaw - Configure A-law compression. - * @ccdc: Pointer to ISP CCDC device. - */ -static void ccdc_configure_alaw(struct isp_ccdc_device *ccdc) -{ - struct isp_device *isp = to_isp_device(ccdc); - const struct isp_format_info *info; - u32 alaw = 0; - - info = omap3isp_video_format_info(ccdc->formats[CCDC_PAD_SINK].code); - - switch (info->width) { - case 8: - return; - - case 10: - alaw = ISPCCDC_ALAW_GWDI_9_0; - break; - case 11: - alaw = ISPCCDC_ALAW_GWDI_10_1; - break; - case 12: - alaw = ISPCCDC_ALAW_GWDI_11_2; - break; - case 13: - alaw = ISPCCDC_ALAW_GWDI_12_3; - break; - } - - if (ccdc->alaw) - alaw |= ISPCCDC_ALAW_CCDTBL; - - isp_reg_writel(isp, alaw, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_ALAW); -} - -/* - * ccdc_config_imgattr - Configure sensor image specific attributes. - * @ccdc: Pointer to ISP CCDC device. - * @colptn: Color pattern of the sensor. - */ -static void ccdc_config_imgattr(struct isp_ccdc_device *ccdc, u32 colptn) -{ - struct isp_device *isp = to_isp_device(ccdc); - - isp_reg_writel(isp, colptn, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_COLPTN); -} - -/* - * ccdc_config - Set CCDC configuration from userspace - * @ccdc: Pointer to ISP CCDC device. - * @userspace_add: Structure containing CCDC configuration sent from userspace. - * - * Returns 0 if successful, -EINVAL if the pointer to the configuration - * structure is null, or the copy_from_user function fails to copy user space - * memory to kernel space memory. - */ -static int ccdc_config(struct isp_ccdc_device *ccdc, - struct omap3isp_ccdc_update_config *ccdc_struct) -{ - struct isp_device *isp = to_isp_device(ccdc); - unsigned long flags; - - spin_lock_irqsave(&ccdc->lock, flags); - ccdc->shadow_update = 1; - spin_unlock_irqrestore(&ccdc->lock, flags); - - if (OMAP3ISP_CCDC_ALAW & ccdc_struct->update) { - ccdc->alaw = !!(OMAP3ISP_CCDC_ALAW & ccdc_struct->flag); - ccdc->update |= OMAP3ISP_CCDC_ALAW; - } - - if (OMAP3ISP_CCDC_LPF & ccdc_struct->update) { - ccdc->lpf = !!(OMAP3ISP_CCDC_LPF & ccdc_struct->flag); - ccdc->update |= OMAP3ISP_CCDC_LPF; - } - - if (OMAP3ISP_CCDC_BLCLAMP & ccdc_struct->update) { - if (copy_from_user(&ccdc->clamp, ccdc_struct->bclamp, - sizeof(ccdc->clamp))) { - ccdc->shadow_update = 0; - return -EFAULT; - } - - ccdc->obclamp = !!(OMAP3ISP_CCDC_BLCLAMP & ccdc_struct->flag); - ccdc->update |= OMAP3ISP_CCDC_BLCLAMP; - } - - if (OMAP3ISP_CCDC_BCOMP & ccdc_struct->update) { - if (copy_from_user(&ccdc->blcomp, ccdc_struct->blcomp, - sizeof(ccdc->blcomp))) { - ccdc->shadow_update = 0; - return -EFAULT; - } - - ccdc->update |= OMAP3ISP_CCDC_BCOMP; - } - - ccdc->shadow_update = 0; - - if (OMAP3ISP_CCDC_FPC & ccdc_struct->update) { - u32 table_old = 0; - u32 table_new; - u32 size; - - if (ccdc->state != ISP_PIPELINE_STREAM_STOPPED) - return -EBUSY; - - ccdc->fpc_en = !!(OMAP3ISP_CCDC_FPC & ccdc_struct->flag); - - if (ccdc->fpc_en) { - if (copy_from_user(&ccdc->fpc, ccdc_struct->fpc, - sizeof(ccdc->fpc))) - return -EFAULT; - - /* - * table_new must be 64-bytes aligned, but it's - * already done by omap_iommu_vmalloc(). - */ - size = ccdc->fpc.fpnum * 4; - table_new = omap_iommu_vmalloc(isp->domain, isp->dev, - 0, size, IOMMU_FLAG); - if (IS_ERR_VALUE(table_new)) - return -ENOMEM; - - if (copy_from_user(omap_da_to_va(isp->dev, table_new), - (__force void __user *) - ccdc->fpc.fpcaddr, size)) { - omap_iommu_vfree(isp->domain, isp->dev, - table_new); - return -EFAULT; - } - - table_old = ccdc->fpc.fpcaddr; - ccdc->fpc.fpcaddr = table_new; - } - - ccdc_configure_fpc(ccdc); - if (table_old != 0) - omap_iommu_vfree(isp->domain, isp->dev, table_old); - } - - return ccdc_lsc_config(ccdc, ccdc_struct); -} - -static void ccdc_apply_controls(struct isp_ccdc_device *ccdc) -{ - if (ccdc->update & OMAP3ISP_CCDC_ALAW) { - ccdc_configure_alaw(ccdc); - ccdc->update &= ~OMAP3ISP_CCDC_ALAW; - } - - if (ccdc->update & OMAP3ISP_CCDC_LPF) { - ccdc_configure_lpf(ccdc); - ccdc->update &= ~OMAP3ISP_CCDC_LPF; - } - - if (ccdc->update & OMAP3ISP_CCDC_BLCLAMP) { - ccdc_configure_clamp(ccdc); - ccdc->update &= ~OMAP3ISP_CCDC_BLCLAMP; - } - - if (ccdc->update & OMAP3ISP_CCDC_BCOMP) { - ccdc_configure_black_comp(ccdc); - ccdc->update &= ~OMAP3ISP_CCDC_BCOMP; - } -} - -/* - * omap3isp_ccdc_restore_context - Restore values of the CCDC module registers - * @dev: Pointer to ISP device - */ -void omap3isp_ccdc_restore_context(struct isp_device *isp) -{ - struct isp_ccdc_device *ccdc = &isp->isp_ccdc; - - isp_reg_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_CFG, ISPCCDC_CFG_VDLC); - - ccdc->update = OMAP3ISP_CCDC_ALAW | OMAP3ISP_CCDC_LPF - | OMAP3ISP_CCDC_BLCLAMP | OMAP3ISP_CCDC_BCOMP; - ccdc_apply_controls(ccdc); - ccdc_configure_fpc(ccdc); -} - -/* ----------------------------------------------------------------------------- - * Format- and pipeline-related configuration helpers - */ - -/* - * ccdc_config_vp - Configure the Video Port. - * @ccdc: Pointer to ISP CCDC device. - */ -static void ccdc_config_vp(struct isp_ccdc_device *ccdc) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&ccdc->subdev.entity); - struct isp_device *isp = to_isp_device(ccdc); - const struct isp_format_info *info; - unsigned long l3_ick = pipe->l3_ick; - unsigned int max_div = isp->revision == ISP_REVISION_15_0 ? 64 : 8; - unsigned int div = 0; - u32 fmtcfg_vp; - - fmtcfg_vp = isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_FMTCFG) - & ~(ISPCCDC_FMTCFG_VPIN_MASK | ISPCCDC_FMTCFG_VPIF_FRQ_MASK); - - info = omap3isp_video_format_info(ccdc->formats[CCDC_PAD_SINK].code); - - switch (info->width) { - case 8: - case 10: - fmtcfg_vp |= ISPCCDC_FMTCFG_VPIN_9_0; - break; - case 11: - fmtcfg_vp |= ISPCCDC_FMTCFG_VPIN_10_1; - break; - case 12: - fmtcfg_vp |= ISPCCDC_FMTCFG_VPIN_11_2; - break; - case 13: - fmtcfg_vp |= ISPCCDC_FMTCFG_VPIN_12_3; - break; - } - - if (pipe->input) - div = DIV_ROUND_UP(l3_ick, pipe->max_rate); - else if (pipe->external_rate) - div = l3_ick / pipe->external_rate; - - div = clamp(div, 2U, max_div); - fmtcfg_vp |= (div - 2) << ISPCCDC_FMTCFG_VPIF_FRQ_SHIFT; - - isp_reg_writel(isp, fmtcfg_vp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_FMTCFG); -} - -/* - * ccdc_enable_vp - Enable Video Port. - * @ccdc: Pointer to ISP CCDC device. - * @enable: 0 Disables VP, 1 Enables VP - * - * This is needed for outputting image to Preview, H3A and HIST ISP submodules. - */ -static void ccdc_enable_vp(struct isp_ccdc_device *ccdc, u8 enable) -{ - struct isp_device *isp = to_isp_device(ccdc); - - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_FMTCFG, - ISPCCDC_FMTCFG_VPEN, enable ? ISPCCDC_FMTCFG_VPEN : 0); -} - -/* - * ccdc_config_outlineoffset - Configure memory saving output line offset - * @ccdc: Pointer to ISP CCDC device. - * @offset: Address offset to start a new line. Must be twice the - * Output width and aligned on 32 byte boundary - * @oddeven: Specifies the odd/even line pattern to be chosen to store the - * output. - * @numlines: Set the value 0-3 for +1-4lines, 4-7 for -1-4lines. - * - * - Configures the output line offset when stored in memory - * - Sets the odd/even line pattern to store the output - * (EVENEVEN (1), ODDEVEN (2), EVENODD (3), ODDODD (4)) - * - Configures the number of even and odd line fields in case of rearranging - * the lines. - */ -static void ccdc_config_outlineoffset(struct isp_ccdc_device *ccdc, - u32 offset, u8 oddeven, u8 numlines) -{ - struct isp_device *isp = to_isp_device(ccdc); - - isp_reg_writel(isp, offset & 0xffff, - OMAP3_ISP_IOMEM_CCDC, ISPCCDC_HSIZE_OFF); - - isp_reg_clr(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SDOFST, - ISPCCDC_SDOFST_FINV); - - isp_reg_clr(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SDOFST, - ISPCCDC_SDOFST_FOFST_4L); - - switch (oddeven) { - case EVENEVEN: - isp_reg_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SDOFST, - (numlines & 0x7) << ISPCCDC_SDOFST_LOFST0_SHIFT); - break; - case ODDEVEN: - isp_reg_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SDOFST, - (numlines & 0x7) << ISPCCDC_SDOFST_LOFST1_SHIFT); - break; - case EVENODD: - isp_reg_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SDOFST, - (numlines & 0x7) << ISPCCDC_SDOFST_LOFST2_SHIFT); - break; - case ODDODD: - isp_reg_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SDOFST, - (numlines & 0x7) << ISPCCDC_SDOFST_LOFST3_SHIFT); - break; - default: - break; - } -} - -/* - * ccdc_set_outaddr - Set memory address to save output image - * @ccdc: Pointer to ISP CCDC device. - * @addr: ISP MMU Mapped 32-bit memory address aligned on 32 byte boundary. - * - * Sets the memory address where the output will be saved. - */ -static void ccdc_set_outaddr(struct isp_ccdc_device *ccdc, u32 addr) -{ - struct isp_device *isp = to_isp_device(ccdc); - - isp_reg_writel(isp, addr, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SDR_ADDR); -} - -/* - * omap3isp_ccdc_max_rate - Calculate maximum input data rate based on the input - * @ccdc: Pointer to ISP CCDC device. - * @max_rate: Maximum calculated data rate. - * - * Returns in *max_rate less value between calculated and passed - */ -void omap3isp_ccdc_max_rate(struct isp_ccdc_device *ccdc, - unsigned int *max_rate) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&ccdc->subdev.entity); - unsigned int rate; - - if (pipe == NULL) - return; - - /* - * TRM says that for parallel sensors the maximum data rate - * should be 90% form L3/2 clock, otherwise just L3/2. - */ - if (ccdc->input == CCDC_INPUT_PARALLEL) - rate = pipe->l3_ick / 2 * 9 / 10; - else - rate = pipe->l3_ick / 2; - - *max_rate = min(*max_rate, rate); -} - -/* - * ccdc_config_sync_if - Set CCDC sync interface configuration - * @ccdc: Pointer to ISP CCDC device. - * @pdata: Parallel interface platform data (may be NULL) - * @data_size: Data size - */ -static void ccdc_config_sync_if(struct isp_ccdc_device *ccdc, - struct isp_parallel_platform_data *pdata, - unsigned int data_size) -{ - struct isp_device *isp = to_isp_device(ccdc); - const struct v4l2_mbus_framefmt *format; - u32 syn_mode = ISPCCDC_SYN_MODE_VDHDEN; - - format = &ccdc->formats[CCDC_PAD_SINK]; - - if (format->code == V4L2_MBUS_FMT_YUYV8_2X8 || - format->code == V4L2_MBUS_FMT_UYVY8_2X8) { - /* The bridge is enabled for YUV8 formats. Configure the input - * mode accordingly. - */ - syn_mode |= ISPCCDC_SYN_MODE_INPMOD_YCBCR16; - } - - switch (data_size) { - case 8: - syn_mode |= ISPCCDC_SYN_MODE_DATSIZ_8; - break; - case 10: - syn_mode |= ISPCCDC_SYN_MODE_DATSIZ_10; - break; - case 11: - syn_mode |= ISPCCDC_SYN_MODE_DATSIZ_11; - break; - case 12: - syn_mode |= ISPCCDC_SYN_MODE_DATSIZ_12; - break; - } - - if (pdata && pdata->data_pol) - syn_mode |= ISPCCDC_SYN_MODE_DATAPOL; - - if (pdata && pdata->hs_pol) - syn_mode |= ISPCCDC_SYN_MODE_HDPOL; - - if (pdata && pdata->vs_pol) - syn_mode |= ISPCCDC_SYN_MODE_VDPOL; - - isp_reg_writel(isp, syn_mode, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SYN_MODE); - - /* The CCDC_CFG.Y8POS bit is used in YCbCr8 input mode only. The - * hardware seems to ignore it in all other input modes. - */ - if (format->code == V4L2_MBUS_FMT_UYVY8_2X8) - isp_reg_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_CFG, - ISPCCDC_CFG_Y8POS); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_CFG, - ISPCCDC_CFG_Y8POS); - - isp_reg_clr(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_REC656IF, - ISPCCDC_REC656IF_R656ON); -} - -/* CCDC formats descriptions */ -static const u32 ccdc_sgrbg_pattern = - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP0PLC0_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP0PLC1_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP0PLC2_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP0PLC3_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP1PLC0_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP1PLC1_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP1PLC2_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP1PLC3_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP2PLC0_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP2PLC1_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP2PLC2_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP2PLC3_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP3PLC0_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP3PLC1_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP3PLC2_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP3PLC3_SHIFT; - -static const u32 ccdc_srggb_pattern = - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP0PLC0_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP0PLC1_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP0PLC2_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP0PLC3_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP1PLC0_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP1PLC1_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP1PLC2_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP1PLC3_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP2PLC0_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP2PLC1_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP2PLC2_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP2PLC3_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP3PLC0_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP3PLC1_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP3PLC2_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP3PLC3_SHIFT; - -static const u32 ccdc_sbggr_pattern = - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP0PLC0_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP0PLC1_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP0PLC2_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP0PLC3_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP1PLC0_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP1PLC1_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP1PLC2_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP1PLC3_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP2PLC0_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP2PLC1_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP2PLC2_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP2PLC3_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP3PLC0_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP3PLC1_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP3PLC2_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP3PLC3_SHIFT; - -static const u32 ccdc_sgbrg_pattern = - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP0PLC0_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP0PLC1_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP0PLC2_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP0PLC3_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP1PLC0_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP1PLC1_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP1PLC2_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP1PLC3_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP2PLC0_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP2PLC1_SHIFT | - ISPCCDC_COLPTN_Gb_G << ISPCCDC_COLPTN_CP2PLC2_SHIFT | - ISPCCDC_COLPTN_B_Mg << ISPCCDC_COLPTN_CP2PLC3_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP3PLC0_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP3PLC1_SHIFT | - ISPCCDC_COLPTN_R_Ye << ISPCCDC_COLPTN_CP3PLC2_SHIFT | - ISPCCDC_COLPTN_Gr_Cy << ISPCCDC_COLPTN_CP3PLC3_SHIFT; - -static void ccdc_configure(struct isp_ccdc_device *ccdc) -{ - struct isp_device *isp = to_isp_device(ccdc); - struct isp_parallel_platform_data *pdata = NULL; - struct v4l2_subdev *sensor; - struct v4l2_mbus_framefmt *format; - const struct v4l2_rect *crop; - const struct isp_format_info *fmt_info; - struct v4l2_subdev_format fmt_src; - unsigned int depth_out; - unsigned int depth_in = 0; - struct media_pad *pad; - unsigned long flags; - unsigned int bridge; - unsigned int shift; - u32 syn_mode; - u32 ccdc_pattern; - - pad = media_entity_remote_source(&ccdc->pads[CCDC_PAD_SINK]); - sensor = media_entity_to_v4l2_subdev(pad->entity); - if (ccdc->input == CCDC_INPUT_PARALLEL) - pdata = &((struct isp_v4l2_subdevs_group *)sensor->host_priv) - ->bus.parallel; - - /* Compute the lane shifter shift value and enable the bridge when the - * input format is YUV. - */ - fmt_src.pad = pad->index; - fmt_src.which = V4L2_SUBDEV_FORMAT_ACTIVE; - if (!v4l2_subdev_call(sensor, pad, get_fmt, NULL, &fmt_src)) { - fmt_info = omap3isp_video_format_info(fmt_src.format.code); - depth_in = fmt_info->width; - } - - fmt_info = omap3isp_video_format_info - (isp->isp_ccdc.formats[CCDC_PAD_SINK].code); - depth_out = fmt_info->width; - shift = depth_in - depth_out; - - if (fmt_info->code == V4L2_MBUS_FMT_YUYV8_2X8) - bridge = ISPCTRL_PAR_BRIDGE_LENDIAN; - else if (fmt_info->code == V4L2_MBUS_FMT_UYVY8_2X8) - bridge = ISPCTRL_PAR_BRIDGE_BENDIAN; - else - bridge = ISPCTRL_PAR_BRIDGE_DISABLE; - - omap3isp_configure_bridge(isp, ccdc->input, pdata, shift, bridge); - - ccdc_config_sync_if(ccdc, pdata, depth_out); - - syn_mode = isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SYN_MODE); - - /* Use the raw, unprocessed data when writing to memory. The H3A and - * histogram modules are still fed with lens shading corrected data. - */ - syn_mode &= ~ISPCCDC_SYN_MODE_VP2SDR; - - if (ccdc->output & CCDC_OUTPUT_MEMORY) - syn_mode |= ISPCCDC_SYN_MODE_WEN; - else - syn_mode &= ~ISPCCDC_SYN_MODE_WEN; - - if (ccdc->output & CCDC_OUTPUT_RESIZER) - syn_mode |= ISPCCDC_SYN_MODE_SDR2RSZ; - else - syn_mode &= ~ISPCCDC_SYN_MODE_SDR2RSZ; - - /* CCDC_PAD_SINK */ - format = &ccdc->formats[CCDC_PAD_SINK]; - - /* Mosaic filter */ - switch (format->code) { - case V4L2_MBUS_FMT_SRGGB10_1X10: - case V4L2_MBUS_FMT_SRGGB12_1X12: - ccdc_pattern = ccdc_srggb_pattern; - break; - case V4L2_MBUS_FMT_SBGGR10_1X10: - case V4L2_MBUS_FMT_SBGGR12_1X12: - ccdc_pattern = ccdc_sbggr_pattern; - break; - case V4L2_MBUS_FMT_SGBRG10_1X10: - case V4L2_MBUS_FMT_SGBRG12_1X12: - ccdc_pattern = ccdc_sgbrg_pattern; - break; - default: - /* Use GRBG */ - ccdc_pattern = ccdc_sgrbg_pattern; - break; - } - ccdc_config_imgattr(ccdc, ccdc_pattern); - - /* Generate VD0 on the last line of the image and VD1 on the - * 2/3 height line. - */ - isp_reg_writel(isp, ((format->height - 2) << ISPCCDC_VDINT_0_SHIFT) | - ((format->height * 2 / 3) << ISPCCDC_VDINT_1_SHIFT), - OMAP3_ISP_IOMEM_CCDC, ISPCCDC_VDINT); - - /* CCDC_PAD_SOURCE_OF */ - format = &ccdc->formats[CCDC_PAD_SOURCE_OF]; - crop = &ccdc->crop; - - isp_reg_writel(isp, (crop->left << ISPCCDC_HORZ_INFO_SPH_SHIFT) | - ((crop->width - 1) << ISPCCDC_HORZ_INFO_NPH_SHIFT), - OMAP3_ISP_IOMEM_CCDC, ISPCCDC_HORZ_INFO); - isp_reg_writel(isp, crop->top << ISPCCDC_VERT_START_SLV0_SHIFT, - OMAP3_ISP_IOMEM_CCDC, ISPCCDC_VERT_START); - isp_reg_writel(isp, (crop->height - 1) - << ISPCCDC_VERT_LINES_NLV_SHIFT, - OMAP3_ISP_IOMEM_CCDC, ISPCCDC_VERT_LINES); - - ccdc_config_outlineoffset(ccdc, ccdc->video_out.bpl_value, 0, 0); - - /* The CCDC outputs data in UYVY order by default. Swap bytes to get - * YUYV. - */ - if (format->code == V4L2_MBUS_FMT_YUYV8_1X16) - isp_reg_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_CFG, - ISPCCDC_CFG_BSWD); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_CFG, - ISPCCDC_CFG_BSWD); - - /* Use PACK8 mode for 1byte per pixel formats. */ - if (omap3isp_video_format_info(format->code)->width <= 8) - syn_mode |= ISPCCDC_SYN_MODE_PACK8; - else - syn_mode &= ~ISPCCDC_SYN_MODE_PACK8; - - isp_reg_writel(isp, syn_mode, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SYN_MODE); - - /* CCDC_PAD_SOURCE_VP */ - format = &ccdc->formats[CCDC_PAD_SOURCE_VP]; - - isp_reg_writel(isp, (0 << ISPCCDC_FMT_HORZ_FMTSPH_SHIFT) | - (format->width << ISPCCDC_FMT_HORZ_FMTLNH_SHIFT), - OMAP3_ISP_IOMEM_CCDC, ISPCCDC_FMT_HORZ); - isp_reg_writel(isp, (0 << ISPCCDC_FMT_VERT_FMTSLV_SHIFT) | - ((format->height + 1) << ISPCCDC_FMT_VERT_FMTLNV_SHIFT), - OMAP3_ISP_IOMEM_CCDC, ISPCCDC_FMT_VERT); - - isp_reg_writel(isp, (format->width << ISPCCDC_VP_OUT_HORZ_NUM_SHIFT) | - (format->height << ISPCCDC_VP_OUT_VERT_NUM_SHIFT), - OMAP3_ISP_IOMEM_CCDC, ISPCCDC_VP_OUT); - - /* Lens shading correction. */ - spin_lock_irqsave(&ccdc->lsc.req_lock, flags); - if (ccdc->lsc.request == NULL) - goto unlock; - - WARN_ON(ccdc->lsc.active); - - /* Get last good LSC configuration. If it is not supported for - * the current active resolution discard it. - */ - if (ccdc->lsc.active == NULL && - __ccdc_lsc_configure(ccdc, ccdc->lsc.request) == 0) { - ccdc->lsc.active = ccdc->lsc.request; - } else { - list_add_tail(&ccdc->lsc.request->list, &ccdc->lsc.free_queue); - schedule_work(&ccdc->lsc.table_work); - } - - ccdc->lsc.request = NULL; - -unlock: - spin_unlock_irqrestore(&ccdc->lsc.req_lock, flags); - - ccdc_apply_controls(ccdc); -} - -static void __ccdc_enable(struct isp_ccdc_device *ccdc, int enable) -{ - struct isp_device *isp = to_isp_device(ccdc); - - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_PCR, - ISPCCDC_PCR_EN, enable ? ISPCCDC_PCR_EN : 0); -} - -static int ccdc_disable(struct isp_ccdc_device *ccdc) -{ - unsigned long flags; - int ret = 0; - - spin_lock_irqsave(&ccdc->lock, flags); - if (ccdc->state == ISP_PIPELINE_STREAM_CONTINUOUS) - ccdc->stopping = CCDC_STOP_REQUEST; - spin_unlock_irqrestore(&ccdc->lock, flags); - - ret = wait_event_timeout(ccdc->wait, - ccdc->stopping == CCDC_STOP_FINISHED, - msecs_to_jiffies(2000)); - if (ret == 0) { - ret = -ETIMEDOUT; - dev_warn(to_device(ccdc), "CCDC stop timeout!\n"); - } - - omap3isp_sbl_disable(to_isp_device(ccdc), OMAP3_ISP_SBL_CCDC_LSC_READ); - - mutex_lock(&ccdc->ioctl_lock); - ccdc_lsc_free_request(ccdc, ccdc->lsc.request); - ccdc->lsc.request = ccdc->lsc.active; - ccdc->lsc.active = NULL; - cancel_work_sync(&ccdc->lsc.table_work); - ccdc_lsc_free_queue(ccdc, &ccdc->lsc.free_queue); - mutex_unlock(&ccdc->ioctl_lock); - - ccdc->stopping = CCDC_STOP_NOT_REQUESTED; - - return ret > 0 ? 0 : ret; -} - -static void ccdc_enable(struct isp_ccdc_device *ccdc) -{ - if (ccdc_lsc_is_configured(ccdc)) - __ccdc_lsc_enable(ccdc, 1); - __ccdc_enable(ccdc, 1); -} - -/* ----------------------------------------------------------------------------- - * Interrupt handling - */ - -/* - * ccdc_sbl_busy - Poll idle state of CCDC and related SBL memory write bits - * @ccdc: Pointer to ISP CCDC device. - * - * Returns zero if the CCDC is idle and the image has been written to - * memory, too. - */ -static int ccdc_sbl_busy(struct isp_ccdc_device *ccdc) -{ - struct isp_device *isp = to_isp_device(ccdc); - - return omap3isp_ccdc_busy(ccdc) - | (isp_reg_readl(isp, OMAP3_ISP_IOMEM_SBL, ISPSBL_CCDC_WR_0) & - ISPSBL_CCDC_WR_0_DATA_READY) - | (isp_reg_readl(isp, OMAP3_ISP_IOMEM_SBL, ISPSBL_CCDC_WR_1) & - ISPSBL_CCDC_WR_0_DATA_READY) - | (isp_reg_readl(isp, OMAP3_ISP_IOMEM_SBL, ISPSBL_CCDC_WR_2) & - ISPSBL_CCDC_WR_0_DATA_READY) - | (isp_reg_readl(isp, OMAP3_ISP_IOMEM_SBL, ISPSBL_CCDC_WR_3) & - ISPSBL_CCDC_WR_0_DATA_READY); -} - -/* - * ccdc_sbl_wait_idle - Wait until the CCDC and related SBL are idle - * @ccdc: Pointer to ISP CCDC device. - * @max_wait: Max retry count in us for wait for idle/busy transition. - */ -static int ccdc_sbl_wait_idle(struct isp_ccdc_device *ccdc, - unsigned int max_wait) -{ - unsigned int wait = 0; - - if (max_wait == 0) - max_wait = 10000; /* 10 ms */ - - for (wait = 0; wait <= max_wait; wait++) { - if (!ccdc_sbl_busy(ccdc)) - return 0; - - rmb(); - udelay(1); - } - - return -EBUSY; -} - -/* __ccdc_handle_stopping - Handle CCDC and/or LSC stopping sequence - * @ccdc: Pointer to ISP CCDC device. - * @event: Pointing which event trigger handler - * - * Return 1 when the event and stopping request combination is satisfied, - * zero otherwise. - */ -static int __ccdc_handle_stopping(struct isp_ccdc_device *ccdc, u32 event) -{ - int rval = 0; - - switch ((ccdc->stopping & 3) | event) { - case CCDC_STOP_REQUEST | CCDC_EVENT_VD1: - if (ccdc->lsc.state != LSC_STATE_STOPPED) - __ccdc_lsc_enable(ccdc, 0); - __ccdc_enable(ccdc, 0); - ccdc->stopping = CCDC_STOP_EXECUTED; - return 1; - - case CCDC_STOP_EXECUTED | CCDC_EVENT_VD0: - ccdc->stopping |= CCDC_STOP_CCDC_FINISHED; - if (ccdc->lsc.state == LSC_STATE_STOPPED) - ccdc->stopping |= CCDC_STOP_LSC_FINISHED; - rval = 1; - break; - - case CCDC_STOP_EXECUTED | CCDC_EVENT_LSC_DONE: - ccdc->stopping |= CCDC_STOP_LSC_FINISHED; - rval = 1; - break; - - case CCDC_STOP_EXECUTED | CCDC_EVENT_VD1: - return 1; - } - - if (ccdc->stopping == CCDC_STOP_FINISHED) { - wake_up(&ccdc->wait); - rval = 1; - } - - return rval; -} - -static void ccdc_hs_vs_isr(struct isp_ccdc_device *ccdc) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&ccdc->subdev.entity); - struct video_device *vdev = ccdc->subdev.devnode; - struct v4l2_event event; - - /* Frame number propagation */ - atomic_inc(&pipe->frame_number); - - memset(&event, 0, sizeof(event)); - event.type = V4L2_EVENT_FRAME_SYNC; - event.u.frame_sync.frame_sequence = atomic_read(&pipe->frame_number); - - v4l2_event_queue(vdev, &event); -} - -/* - * ccdc_lsc_isr - Handle LSC events - * @ccdc: Pointer to ISP CCDC device. - * @events: LSC events - */ -static void ccdc_lsc_isr(struct isp_ccdc_device *ccdc, u32 events) -{ - unsigned long flags; - - if (events & IRQ0STATUS_CCDC_LSC_PREF_ERR_IRQ) { - struct isp_pipeline *pipe = - to_isp_pipeline(&ccdc->subdev.entity); - - ccdc_lsc_error_handler(ccdc); - pipe->error = true; - dev_dbg(to_device(ccdc), "lsc prefetch error\n"); - } - - if (!(events & IRQ0STATUS_CCDC_LSC_DONE_IRQ)) - return; - - /* LSC_DONE interrupt occur, there are two cases - * 1. stopping for reconfiguration - * 2. stopping because of STREAM OFF command - */ - spin_lock_irqsave(&ccdc->lsc.req_lock, flags); - - if (ccdc->lsc.state == LSC_STATE_STOPPING) - ccdc->lsc.state = LSC_STATE_STOPPED; - - if (__ccdc_handle_stopping(ccdc, CCDC_EVENT_LSC_DONE)) - goto done; - - if (ccdc->lsc.state != LSC_STATE_RECONFIG) - goto done; - - /* LSC is in STOPPING state, change to the new state */ - ccdc->lsc.state = LSC_STATE_STOPPED; - - /* This is an exception. Start of frame and LSC_DONE interrupt - * have been received on the same time. Skip this event and wait - * for better times. - */ - if (events & IRQ0STATUS_HS_VS_IRQ) - goto done; - - /* The LSC engine is stopped at this point. Enable it if there's a - * pending request. - */ - if (ccdc->lsc.request == NULL) - goto done; - - ccdc_lsc_enable(ccdc); - -done: - spin_unlock_irqrestore(&ccdc->lsc.req_lock, flags); -} - -static int ccdc_isr_buffer(struct isp_ccdc_device *ccdc) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&ccdc->subdev.entity); - struct isp_device *isp = to_isp_device(ccdc); - struct isp_buffer *buffer; - int restart = 0; - - /* The CCDC generates VD0 interrupts even when disabled (the datasheet - * doesn't explicitly state if that's supposed to happen or not, so it - * can be considered as a hardware bug or as a feature, but we have to - * deal with it anyway). Disabling the CCDC when no buffer is available - * would thus not be enough, we need to handle the situation explicitly. - */ - if (list_empty(&ccdc->video_out.dmaqueue)) - goto done; - - /* We're in continuous mode, and memory writes were disabled due to a - * buffer underrun. Reenable them now that we have a buffer. The buffer - * address has been set in ccdc_video_queue. - */ - if (ccdc->state == ISP_PIPELINE_STREAM_CONTINUOUS && ccdc->underrun) { - restart = 1; - ccdc->underrun = 0; - goto done; - } - - if (ccdc_sbl_wait_idle(ccdc, 1000)) { - dev_info(isp->dev, "CCDC won't become idle!\n"); - goto done; - } - - buffer = omap3isp_video_buffer_next(&ccdc->video_out); - if (buffer != NULL) { - ccdc_set_outaddr(ccdc, buffer->isp_addr); - restart = 1; - } - - pipe->state |= ISP_PIPELINE_IDLE_OUTPUT; - - if (ccdc->state == ISP_PIPELINE_STREAM_SINGLESHOT && - isp_pipeline_ready(pipe)) - omap3isp_pipeline_set_stream(pipe, - ISP_PIPELINE_STREAM_SINGLESHOT); - -done: - return restart; -} - -/* - * ccdc_vd0_isr - Handle VD0 event - * @ccdc: Pointer to ISP CCDC device. - * - * Executes LSC deferred enablement before next frame starts. - */ -static void ccdc_vd0_isr(struct isp_ccdc_device *ccdc) -{ - unsigned long flags; - int restart = 0; - - if (ccdc->output & CCDC_OUTPUT_MEMORY) - restart = ccdc_isr_buffer(ccdc); - - spin_lock_irqsave(&ccdc->lock, flags); - if (__ccdc_handle_stopping(ccdc, CCDC_EVENT_VD0)) { - spin_unlock_irqrestore(&ccdc->lock, flags); - return; - } - - if (!ccdc->shadow_update) - ccdc_apply_controls(ccdc); - spin_unlock_irqrestore(&ccdc->lock, flags); - - if (restart) - ccdc_enable(ccdc); -} - -/* - * ccdc_vd1_isr - Handle VD1 event - * @ccdc: Pointer to ISP CCDC device. - */ -static void ccdc_vd1_isr(struct isp_ccdc_device *ccdc) -{ - unsigned long flags; - - spin_lock_irqsave(&ccdc->lsc.req_lock, flags); - - /* - * Depending on the CCDC pipeline state, CCDC stopping should be - * handled differently. In SINGLESHOT we emulate an internal CCDC - * stopping because the CCDC hw works only in continuous mode. - * When CONTINUOUS pipeline state is used and the CCDC writes it's - * data to memory the CCDC and LSC are stopped immediately but - * without change the CCDC stopping state machine. The CCDC - * stopping state machine should be used only when user request - * for stopping is received (SINGLESHOT is an exeption). - */ - switch (ccdc->state) { - case ISP_PIPELINE_STREAM_SINGLESHOT: - ccdc->stopping = CCDC_STOP_REQUEST; - break; - - case ISP_PIPELINE_STREAM_CONTINUOUS: - if (ccdc->output & CCDC_OUTPUT_MEMORY) { - if (ccdc->lsc.state != LSC_STATE_STOPPED) - __ccdc_lsc_enable(ccdc, 0); - __ccdc_enable(ccdc, 0); - } - break; - - case ISP_PIPELINE_STREAM_STOPPED: - break; - } - - if (__ccdc_handle_stopping(ccdc, CCDC_EVENT_VD1)) - goto done; - - if (ccdc->lsc.request == NULL) - goto done; - - /* - * LSC need to be reconfigured. Stop it here and on next LSC_DONE IRQ - * do the appropriate changes in registers - */ - if (ccdc->lsc.state == LSC_STATE_RUNNING) { - __ccdc_lsc_enable(ccdc, 0); - ccdc->lsc.state = LSC_STATE_RECONFIG; - goto done; - } - - /* LSC has been in STOPPED state, enable it */ - if (ccdc->lsc.state == LSC_STATE_STOPPED) - ccdc_lsc_enable(ccdc); - -done: - spin_unlock_irqrestore(&ccdc->lsc.req_lock, flags); -} - -/* - * omap3isp_ccdc_isr - Configure CCDC during interframe time. - * @ccdc: Pointer to ISP CCDC device. - * @events: CCDC events - */ -int omap3isp_ccdc_isr(struct isp_ccdc_device *ccdc, u32 events) -{ - if (ccdc->state == ISP_PIPELINE_STREAM_STOPPED) - return 0; - - if (events & IRQ0STATUS_CCDC_VD1_IRQ) - ccdc_vd1_isr(ccdc); - - ccdc_lsc_isr(ccdc, events); - - if (events & IRQ0STATUS_CCDC_VD0_IRQ) - ccdc_vd0_isr(ccdc); - - if (events & IRQ0STATUS_HS_VS_IRQ) - ccdc_hs_vs_isr(ccdc); - - return 0; -} - -/* ----------------------------------------------------------------------------- - * ISP video operations - */ - -static int ccdc_video_queue(struct isp_video *video, struct isp_buffer *buffer) -{ - struct isp_ccdc_device *ccdc = &video->isp->isp_ccdc; - - if (!(ccdc->output & CCDC_OUTPUT_MEMORY)) - return -ENODEV; - - ccdc_set_outaddr(ccdc, buffer->isp_addr); - - /* We now have a buffer queued on the output, restart the pipeline - * on the next CCDC interrupt if running in continuous mode (or when - * starting the stream). - */ - ccdc->underrun = 1; - - return 0; -} - -static const struct isp_video_operations ccdc_video_ops = { - .queue = ccdc_video_queue, -}; - -/* ----------------------------------------------------------------------------- - * V4L2 subdev operations - */ - -/* - * ccdc_ioctl - CCDC module private ioctl's - * @sd: ISP CCDC V4L2 subdevice - * @cmd: ioctl command - * @arg: ioctl argument - * - * Return 0 on success or a negative error code otherwise. - */ -static long ccdc_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) -{ - struct isp_ccdc_device *ccdc = v4l2_get_subdevdata(sd); - int ret; - - switch (cmd) { - case VIDIOC_OMAP3ISP_CCDC_CFG: - mutex_lock(&ccdc->ioctl_lock); - ret = ccdc_config(ccdc, arg); - mutex_unlock(&ccdc->ioctl_lock); - break; - - default: - return -ENOIOCTLCMD; - } - - return ret; -} - -static int ccdc_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh, - struct v4l2_event_subscription *sub) -{ - if (sub->type != V4L2_EVENT_FRAME_SYNC) - return -EINVAL; - - /* line number is zero at frame start */ - if (sub->id != 0) - return -EINVAL; - - return v4l2_event_subscribe(fh, sub, OMAP3ISP_CCDC_NEVENTS, NULL); -} - -static int ccdc_unsubscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh, - struct v4l2_event_subscription *sub) -{ - return v4l2_event_unsubscribe(fh, sub); -} - -/* - * ccdc_set_stream - Enable/Disable streaming on the CCDC module - * @sd: ISP CCDC V4L2 subdevice - * @enable: Enable/disable stream - * - * When writing to memory, the CCDC hardware can't be enabled without a memory - * buffer to write to. As the s_stream operation is called in response to a - * STREAMON call without any buffer queued yet, just update the enabled field - * and return immediately. The CCDC will be enabled in ccdc_isr_buffer(). - * - * When not writing to memory enable the CCDC immediately. - */ -static int ccdc_set_stream(struct v4l2_subdev *sd, int enable) -{ - struct isp_ccdc_device *ccdc = v4l2_get_subdevdata(sd); - struct isp_device *isp = to_isp_device(ccdc); - int ret = 0; - - if (ccdc->state == ISP_PIPELINE_STREAM_STOPPED) { - if (enable == ISP_PIPELINE_STREAM_STOPPED) - return 0; - - omap3isp_subclk_enable(isp, OMAP3_ISP_SUBCLK_CCDC); - isp_reg_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_CFG, - ISPCCDC_CFG_VDLC); - - ccdc_configure(ccdc); - - /* TODO: Don't configure the video port if all of its output - * links are inactive. - */ - ccdc_config_vp(ccdc); - ccdc_enable_vp(ccdc, 1); - ccdc_print_status(ccdc); - } - - switch (enable) { - case ISP_PIPELINE_STREAM_CONTINUOUS: - if (ccdc->output & CCDC_OUTPUT_MEMORY) - omap3isp_sbl_enable(isp, OMAP3_ISP_SBL_CCDC_WRITE); - - if (ccdc->underrun || !(ccdc->output & CCDC_OUTPUT_MEMORY)) - ccdc_enable(ccdc); - - ccdc->underrun = 0; - break; - - case ISP_PIPELINE_STREAM_SINGLESHOT: - if (ccdc->output & CCDC_OUTPUT_MEMORY && - ccdc->state != ISP_PIPELINE_STREAM_SINGLESHOT) - omap3isp_sbl_enable(isp, OMAP3_ISP_SBL_CCDC_WRITE); - - ccdc_enable(ccdc); - break; - - case ISP_PIPELINE_STREAM_STOPPED: - ret = ccdc_disable(ccdc); - if (ccdc->output & CCDC_OUTPUT_MEMORY) - omap3isp_sbl_disable(isp, OMAP3_ISP_SBL_CCDC_WRITE); - omap3isp_subclk_disable(isp, OMAP3_ISP_SUBCLK_CCDC); - ccdc->underrun = 0; - break; - } - - ccdc->state = enable; - return ret; -} - -static struct v4l2_mbus_framefmt * -__ccdc_get_format(struct isp_ccdc_device *ccdc, struct v4l2_subdev_fh *fh, - unsigned int pad, enum v4l2_subdev_format_whence which) -{ - if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_get_try_format(fh, pad); - else - return &ccdc->formats[pad]; -} - -static struct v4l2_rect * -__ccdc_get_crop(struct isp_ccdc_device *ccdc, struct v4l2_subdev_fh *fh, - enum v4l2_subdev_format_whence which) -{ - if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_get_try_crop(fh, CCDC_PAD_SOURCE_OF); - else - return &ccdc->crop; -} - -/* - * ccdc_try_format - Try video format on a pad - * @ccdc: ISP CCDC device - * @fh : V4L2 subdev file handle - * @pad: Pad number - * @fmt: Format - */ -static void -ccdc_try_format(struct isp_ccdc_device *ccdc, struct v4l2_subdev_fh *fh, - unsigned int pad, struct v4l2_mbus_framefmt *fmt, - enum v4l2_subdev_format_whence which) -{ - const struct isp_format_info *info; - enum v4l2_mbus_pixelcode pixelcode; - unsigned int width = fmt->width; - unsigned int height = fmt->height; - struct v4l2_rect *crop; - unsigned int i; - - switch (pad) { - case CCDC_PAD_SINK: - for (i = 0; i < ARRAY_SIZE(ccdc_fmts); i++) { - if (fmt->code == ccdc_fmts[i]) - break; - } - - /* If not found, use SGRBG10 as default */ - if (i >= ARRAY_SIZE(ccdc_fmts)) - fmt->code = V4L2_MBUS_FMT_SGRBG10_1X10; - - /* Clamp the input size. */ - fmt->width = clamp_t(u32, width, 32, 4096); - fmt->height = clamp_t(u32, height, 32, 4096); - break; - - case CCDC_PAD_SOURCE_OF: - pixelcode = fmt->code; - *fmt = *__ccdc_get_format(ccdc, fh, CCDC_PAD_SINK, which); - - /* YUV formats are converted from 2X8 to 1X16 by the bridge and - * can be byte-swapped. - */ - if (fmt->code == V4L2_MBUS_FMT_YUYV8_2X8 || - fmt->code == V4L2_MBUS_FMT_UYVY8_2X8) { - /* Use the user requested format if YUV. */ - if (pixelcode == V4L2_MBUS_FMT_YUYV8_2X8 || - pixelcode == V4L2_MBUS_FMT_UYVY8_2X8 || - pixelcode == V4L2_MBUS_FMT_YUYV8_1X16 || - pixelcode == V4L2_MBUS_FMT_UYVY8_1X16) - fmt->code = pixelcode; - - if (fmt->code == V4L2_MBUS_FMT_YUYV8_2X8) - fmt->code = V4L2_MBUS_FMT_YUYV8_1X16; - else if (fmt->code == V4L2_MBUS_FMT_UYVY8_2X8) - fmt->code = V4L2_MBUS_FMT_UYVY8_1X16; - } - - /* Hardcode the output size to the crop rectangle size. */ - crop = __ccdc_get_crop(ccdc, fh, which); - fmt->width = crop->width; - fmt->height = crop->height; - break; - - case CCDC_PAD_SOURCE_VP: - *fmt = *__ccdc_get_format(ccdc, fh, CCDC_PAD_SINK, which); - - /* The video port interface truncates the data to 10 bits. */ - info = omap3isp_video_format_info(fmt->code); - fmt->code = info->truncated; - - /* YUV formats are not supported by the video port. */ - if (fmt->code == V4L2_MBUS_FMT_YUYV8_2X8 || - fmt->code == V4L2_MBUS_FMT_UYVY8_2X8) - fmt->code = 0; - - /* The number of lines that can be clocked out from the video - * port output must be at least one line less than the number - * of input lines. - */ - fmt->width = clamp_t(u32, width, 32, fmt->width); - fmt->height = clamp_t(u32, height, 32, fmt->height - 1); - break; - } - - /* Data is written to memory unpacked, each 10-bit or 12-bit pixel is - * stored on 2 bytes. - */ - fmt->colorspace = V4L2_COLORSPACE_SRGB; - fmt->field = V4L2_FIELD_NONE; -} - -/* - * ccdc_try_crop - Validate a crop rectangle - * @ccdc: ISP CCDC device - * @sink: format on the sink pad - * @crop: crop rectangle to be validated - */ -static void ccdc_try_crop(struct isp_ccdc_device *ccdc, - const struct v4l2_mbus_framefmt *sink, - struct v4l2_rect *crop) -{ - const struct isp_format_info *info; - unsigned int max_width; - - /* For Bayer formats, restrict left/top and width/height to even values - * to keep the Bayer pattern. - */ - info = omap3isp_video_format_info(sink->code); - if (info->flavor != V4L2_MBUS_FMT_Y8_1X8) { - crop->left &= ~1; - crop->top &= ~1; - } - - crop->left = clamp_t(u32, crop->left, 0, sink->width - CCDC_MIN_WIDTH); - crop->top = clamp_t(u32, crop->top, 0, sink->height - CCDC_MIN_HEIGHT); - - /* The data formatter truncates the number of horizontal output pixels - * to a multiple of 16. To avoid clipping data, allow callers to request - * an output size bigger than the input size up to the nearest multiple - * of 16. - */ - max_width = (sink->width - crop->left + 15) & ~15; - crop->width = clamp_t(u32, crop->width, CCDC_MIN_WIDTH, max_width) - & ~15; - crop->height = clamp_t(u32, crop->height, CCDC_MIN_HEIGHT, - sink->height - crop->top); - - /* Odd width/height values don't make sense for Bayer formats. */ - if (info->flavor != V4L2_MBUS_FMT_Y8_1X8) { - crop->width &= ~1; - crop->height &= ~1; - } -} - -/* - * ccdc_enum_mbus_code - Handle pixel format enumeration - * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @code : pointer to v4l2_subdev_mbus_code_enum structure - * return -EINVAL or zero on success - */ -static int ccdc_enum_mbus_code(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_mbus_code_enum *code) -{ - struct isp_ccdc_device *ccdc = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - switch (code->pad) { - case CCDC_PAD_SINK: - if (code->index >= ARRAY_SIZE(ccdc_fmts)) - return -EINVAL; - - code->code = ccdc_fmts[code->index]; - break; - - case CCDC_PAD_SOURCE_OF: - format = __ccdc_get_format(ccdc, fh, code->pad, - V4L2_SUBDEV_FORMAT_TRY); - - if (format->code == V4L2_MBUS_FMT_YUYV8_2X8 || - format->code == V4L2_MBUS_FMT_UYVY8_2X8) { - /* In YUV mode the CCDC can swap bytes. */ - if (code->index == 0) - code->code = V4L2_MBUS_FMT_YUYV8_1X16; - else if (code->index == 1) - code->code = V4L2_MBUS_FMT_UYVY8_1X16; - else - return -EINVAL; - } else { - /* In raw mode, no configurable format confversion is - * available. - */ - if (code->index == 0) - code->code = format->code; - else - return -EINVAL; - } - break; - - case CCDC_PAD_SOURCE_VP: - /* The CCDC supports no configurable format conversion - * compatible with the video port. Enumerate a single output - * format code. - */ - if (code->index != 0) - return -EINVAL; - - format = __ccdc_get_format(ccdc, fh, code->pad, - V4L2_SUBDEV_FORMAT_TRY); - - /* A pixel code equal to 0 means that the video port doesn't - * support the input format. Don't enumerate any pixel code. - */ - if (format->code == 0) - return -EINVAL; - - code->code = format->code; - break; - - default: - return -EINVAL; - } - - return 0; -} - -static int ccdc_enum_frame_size(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_frame_size_enum *fse) -{ - struct isp_ccdc_device *ccdc = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt format; - - if (fse->index != 0) - return -EINVAL; - - format.code = fse->code; - format.width = 1; - format.height = 1; - ccdc_try_format(ccdc, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); - fse->min_width = format.width; - fse->min_height = format.height; - - if (format.code != fse->code) - return -EINVAL; - - format.code = fse->code; - format.width = -1; - format.height = -1; - ccdc_try_format(ccdc, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); - fse->max_width = format.width; - fse->max_height = format.height; - - return 0; -} - -/* - * ccdc_get_selection - Retrieve a selection rectangle on a pad - * @sd: ISP CCDC V4L2 subdevice - * @fh: V4L2 subdev file handle - * @sel: Selection rectangle - * - * The only supported rectangles are the crop rectangles on the output formatter - * source pad. - * - * Return 0 on success or a negative error code otherwise. - */ -static int ccdc_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_selection *sel) -{ - struct isp_ccdc_device *ccdc = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - if (sel->pad != CCDC_PAD_SOURCE_OF) - return -EINVAL; - - switch (sel->target) { - case V4L2_SEL_TGT_CROP_BOUNDS: - sel->r.left = 0; - sel->r.top = 0; - sel->r.width = INT_MAX; - sel->r.height = INT_MAX; - - format = __ccdc_get_format(ccdc, fh, CCDC_PAD_SINK, sel->which); - ccdc_try_crop(ccdc, format, &sel->r); - break; - - case V4L2_SEL_TGT_CROP: - sel->r = *__ccdc_get_crop(ccdc, fh, sel->which); - break; - - default: - return -EINVAL; - } - - return 0; -} - -/* - * ccdc_set_selection - Set a selection rectangle on a pad - * @sd: ISP CCDC V4L2 subdevice - * @fh: V4L2 subdev file handle - * @sel: Selection rectangle - * - * The only supported rectangle is the actual crop rectangle on the output - * formatter source pad. - * - * Return 0 on success or a negative error code otherwise. - */ -static int ccdc_set_selection(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_selection *sel) -{ - struct isp_ccdc_device *ccdc = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - if (sel->target != V4L2_SEL_TGT_CROP || - sel->pad != CCDC_PAD_SOURCE_OF) - return -EINVAL; - - /* The crop rectangle can't be changed while streaming. */ - if (ccdc->state != ISP_PIPELINE_STREAM_STOPPED) - return -EBUSY; - - /* Modifying the crop rectangle always changes the format on the source - * pad. If the KEEP_CONFIG flag is set, just return the current crop - * rectangle. - */ - if (sel->flags & V4L2_SEL_FLAG_KEEP_CONFIG) { - sel->r = *__ccdc_get_crop(ccdc, fh, sel->which); - return 0; - } - - format = __ccdc_get_format(ccdc, fh, CCDC_PAD_SINK, sel->which); - ccdc_try_crop(ccdc, format, &sel->r); - *__ccdc_get_crop(ccdc, fh, sel->which) = sel->r; - - /* Update the source format. */ - format = __ccdc_get_format(ccdc, fh, CCDC_PAD_SOURCE_OF, sel->which); - ccdc_try_format(ccdc, fh, CCDC_PAD_SOURCE_OF, format, sel->which); - - return 0; -} - -/* - * ccdc_get_format - Retrieve the video format on a pad - * @sd : ISP CCDC V4L2 subdevice - * @fh : V4L2 subdev file handle - * @fmt: Format - * - * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond - * to the format type. - */ -static int ccdc_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_format *fmt) -{ - struct isp_ccdc_device *ccdc = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - format = __ccdc_get_format(ccdc, fh, fmt->pad, fmt->which); - if (format == NULL) - return -EINVAL; - - fmt->format = *format; - return 0; -} - -/* - * ccdc_set_format - Set the video format on a pad - * @sd : ISP CCDC V4L2 subdevice - * @fh : V4L2 subdev file handle - * @fmt: Format - * - * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond - * to the format type. - */ -static int ccdc_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_format *fmt) -{ - struct isp_ccdc_device *ccdc = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - struct v4l2_rect *crop; - - format = __ccdc_get_format(ccdc, fh, fmt->pad, fmt->which); - if (format == NULL) - return -EINVAL; - - ccdc_try_format(ccdc, fh, fmt->pad, &fmt->format, fmt->which); - *format = fmt->format; - - /* Propagate the format from sink to source */ - if (fmt->pad == CCDC_PAD_SINK) { - /* Reset the crop rectangle. */ - crop = __ccdc_get_crop(ccdc, fh, fmt->which); - crop->left = 0; - crop->top = 0; - crop->width = fmt->format.width; - crop->height = fmt->format.height; - - ccdc_try_crop(ccdc, &fmt->format, crop); - - /* Update the source formats. */ - format = __ccdc_get_format(ccdc, fh, CCDC_PAD_SOURCE_OF, - fmt->which); - *format = fmt->format; - ccdc_try_format(ccdc, fh, CCDC_PAD_SOURCE_OF, format, - fmt->which); - - format = __ccdc_get_format(ccdc, fh, CCDC_PAD_SOURCE_VP, - fmt->which); - *format = fmt->format; - ccdc_try_format(ccdc, fh, CCDC_PAD_SOURCE_VP, format, - fmt->which); - } - - return 0; -} - -/* - * Decide whether desired output pixel code can be obtained with - * the lane shifter by shifting the input pixel code. - * @in: input pixelcode to shifter - * @out: output pixelcode from shifter - * @additional_shift: # of bits the sensor's LSB is offset from CAMEXT[0] - * - * return true if the combination is possible - * return false otherwise - */ -static bool ccdc_is_shiftable(enum v4l2_mbus_pixelcode in, - enum v4l2_mbus_pixelcode out, - unsigned int additional_shift) -{ - const struct isp_format_info *in_info, *out_info; - - if (in == out) - return true; - - in_info = omap3isp_video_format_info(in); - out_info = omap3isp_video_format_info(out); - - if ((in_info->flavor == 0) || (out_info->flavor == 0)) - return false; - - if (in_info->flavor != out_info->flavor) - return false; - - return in_info->width - out_info->width + additional_shift <= 6; -} - -static int ccdc_link_validate(struct v4l2_subdev *sd, - struct media_link *link, - struct v4l2_subdev_format *source_fmt, - struct v4l2_subdev_format *sink_fmt) -{ - struct isp_ccdc_device *ccdc = v4l2_get_subdevdata(sd); - unsigned long parallel_shift; - - /* Check if the two ends match */ - if (source_fmt->format.width != sink_fmt->format.width || - source_fmt->format.height != sink_fmt->format.height) - return -EPIPE; - - /* We've got a parallel sensor here. */ - if (ccdc->input == CCDC_INPUT_PARALLEL) { - struct isp_parallel_platform_data *pdata = - &((struct isp_v4l2_subdevs_group *) - media_entity_to_v4l2_subdev(link->source->entity) - ->host_priv)->bus.parallel; - parallel_shift = pdata->data_lane_shift * 2; - } else { - parallel_shift = 0; - } - - /* Lane shifter may be used to drop bits on CCDC sink pad */ - if (!ccdc_is_shiftable(source_fmt->format.code, - sink_fmt->format.code, parallel_shift)) - return -EPIPE; - - return 0; -} - -/* - * ccdc_init_formats - Initialize formats on all pads - * @sd: ISP CCDC V4L2 subdevice - * @fh: V4L2 subdev file handle - * - * Initialize all pad formats with default values. If fh is not NULL, try - * formats are initialized on the file handle. Otherwise active formats are - * initialized on the device. - */ -static int ccdc_init_formats(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) -{ - struct v4l2_subdev_format format; - - memset(&format, 0, sizeof(format)); - format.pad = CCDC_PAD_SINK; - format.which = fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; - format.format.code = V4L2_MBUS_FMT_SGRBG10_1X10; - format.format.width = 4096; - format.format.height = 4096; - ccdc_set_format(sd, fh, &format); - - return 0; -} - -/* V4L2 subdev core operations */ -static const struct v4l2_subdev_core_ops ccdc_v4l2_core_ops = { - .ioctl = ccdc_ioctl, - .subscribe_event = ccdc_subscribe_event, - .unsubscribe_event = ccdc_unsubscribe_event, -}; - -/* V4L2 subdev video operations */ -static const struct v4l2_subdev_video_ops ccdc_v4l2_video_ops = { - .s_stream = ccdc_set_stream, -}; - -/* V4L2 subdev pad operations */ -static const struct v4l2_subdev_pad_ops ccdc_v4l2_pad_ops = { - .enum_mbus_code = ccdc_enum_mbus_code, - .enum_frame_size = ccdc_enum_frame_size, - .get_fmt = ccdc_get_format, - .set_fmt = ccdc_set_format, - .get_selection = ccdc_get_selection, - .set_selection = ccdc_set_selection, - .link_validate = ccdc_link_validate, -}; - -/* V4L2 subdev operations */ -static const struct v4l2_subdev_ops ccdc_v4l2_ops = { - .core = &ccdc_v4l2_core_ops, - .video = &ccdc_v4l2_video_ops, - .pad = &ccdc_v4l2_pad_ops, -}; - -/* V4L2 subdev internal operations */ -static const struct v4l2_subdev_internal_ops ccdc_v4l2_internal_ops = { - .open = ccdc_init_formats, -}; - -/* ----------------------------------------------------------------------------- - * Media entity operations - */ - -/* - * ccdc_link_setup - Setup CCDC connections - * @entity: CCDC media entity - * @local: Pad at the local end of the link - * @remote: Pad at the remote end of the link - * @flags: Link flags - * - * return -EINVAL or zero on success - */ -static int ccdc_link_setup(struct media_entity *entity, - const struct media_pad *local, - const struct media_pad *remote, u32 flags) -{ - struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); - struct isp_ccdc_device *ccdc = v4l2_get_subdevdata(sd); - struct isp_device *isp = to_isp_device(ccdc); - - switch (local->index | media_entity_type(remote->entity)) { - case CCDC_PAD_SINK | MEDIA_ENT_T_V4L2_SUBDEV: - /* Read from the sensor (parallel interface), CCP2, CSI2a or - * CSI2c. - */ - if (!(flags & MEDIA_LNK_FL_ENABLED)) { - ccdc->input = CCDC_INPUT_NONE; - break; - } - - if (ccdc->input != CCDC_INPUT_NONE) - return -EBUSY; - - if (remote->entity == &isp->isp_ccp2.subdev.entity) - ccdc->input = CCDC_INPUT_CCP2B; - else if (remote->entity == &isp->isp_csi2a.subdev.entity) - ccdc->input = CCDC_INPUT_CSI2A; - else if (remote->entity == &isp->isp_csi2c.subdev.entity) - ccdc->input = CCDC_INPUT_CSI2C; - else - ccdc->input = CCDC_INPUT_PARALLEL; - - break; - - /* - * The ISP core doesn't support pipelines with multiple video outputs. - * Revisit this when it will be implemented, and return -EBUSY for now. - */ - - case CCDC_PAD_SOURCE_VP | MEDIA_ENT_T_V4L2_SUBDEV: - /* Write to preview engine, histogram and H3A. When none of - * those links are active, the video port can be disabled. - */ - if (flags & MEDIA_LNK_FL_ENABLED) { - if (ccdc->output & ~CCDC_OUTPUT_PREVIEW) - return -EBUSY; - ccdc->output |= CCDC_OUTPUT_PREVIEW; - } else { - ccdc->output &= ~CCDC_OUTPUT_PREVIEW; - } - break; - - case CCDC_PAD_SOURCE_OF | MEDIA_ENT_T_DEVNODE: - /* Write to memory */ - if (flags & MEDIA_LNK_FL_ENABLED) { - if (ccdc->output & ~CCDC_OUTPUT_MEMORY) - return -EBUSY; - ccdc->output |= CCDC_OUTPUT_MEMORY; - } else { - ccdc->output &= ~CCDC_OUTPUT_MEMORY; - } - break; - - case CCDC_PAD_SOURCE_OF | MEDIA_ENT_T_V4L2_SUBDEV: - /* Write to resizer */ - if (flags & MEDIA_LNK_FL_ENABLED) { - if (ccdc->output & ~CCDC_OUTPUT_RESIZER) - return -EBUSY; - ccdc->output |= CCDC_OUTPUT_RESIZER; - } else { - ccdc->output &= ~CCDC_OUTPUT_RESIZER; - } - break; - - default: - return -EINVAL; - } - - return 0; -} - -/* media operations */ -static const struct media_entity_operations ccdc_media_ops = { - .link_setup = ccdc_link_setup, - .link_validate = v4l2_subdev_link_validate, -}; - -void omap3isp_ccdc_unregister_entities(struct isp_ccdc_device *ccdc) -{ - v4l2_device_unregister_subdev(&ccdc->subdev); - omap3isp_video_unregister(&ccdc->video_out); -} - -int omap3isp_ccdc_register_entities(struct isp_ccdc_device *ccdc, - struct v4l2_device *vdev) -{ - int ret; - - /* Register the subdev and video node. */ - ret = v4l2_device_register_subdev(vdev, &ccdc->subdev); - if (ret < 0) - goto error; - - ret = omap3isp_video_register(&ccdc->video_out, vdev); - if (ret < 0) - goto error; - - return 0; - -error: - omap3isp_ccdc_unregister_entities(ccdc); - return ret; -} - -/* ----------------------------------------------------------------------------- - * ISP CCDC initialisation and cleanup - */ - -/* - * ccdc_init_entities - Initialize V4L2 subdev and media entity - * @ccdc: ISP CCDC module - * - * Return 0 on success and a negative error code on failure. - */ -static int ccdc_init_entities(struct isp_ccdc_device *ccdc) -{ - struct v4l2_subdev *sd = &ccdc->subdev; - struct media_pad *pads = ccdc->pads; - struct media_entity *me = &sd->entity; - int ret; - - ccdc->input = CCDC_INPUT_NONE; - - v4l2_subdev_init(sd, &ccdc_v4l2_ops); - sd->internal_ops = &ccdc_v4l2_internal_ops; - strlcpy(sd->name, "OMAP3 ISP CCDC", sizeof(sd->name)); - sd->grp_id = 1 << 16; /* group ID for isp subdevs */ - v4l2_set_subdevdata(sd, ccdc); - sd->flags |= V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_HAS_DEVNODE; - - pads[CCDC_PAD_SINK].flags = MEDIA_PAD_FL_SINK; - pads[CCDC_PAD_SOURCE_VP].flags = MEDIA_PAD_FL_SOURCE; - pads[CCDC_PAD_SOURCE_OF].flags = MEDIA_PAD_FL_SOURCE; - - me->ops = &ccdc_media_ops; - ret = media_entity_init(me, CCDC_PADS_NUM, pads, 0); - if (ret < 0) - return ret; - - ccdc_init_formats(sd, NULL); - - ccdc->video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - ccdc->video_out.ops = &ccdc_video_ops; - ccdc->video_out.isp = to_isp_device(ccdc); - ccdc->video_out.capture_mem = PAGE_ALIGN(4096 * 4096) * 3; - ccdc->video_out.bpl_alignment = 32; - - ret = omap3isp_video_init(&ccdc->video_out, "CCDC"); - if (ret < 0) - goto error_video; - - /* Connect the CCDC subdev to the video node. */ - ret = media_entity_create_link(&ccdc->subdev.entity, CCDC_PAD_SOURCE_OF, - &ccdc->video_out.video.entity, 0, 0); - if (ret < 0) - goto error_link; - - return 0; - -error_link: - omap3isp_video_cleanup(&ccdc->video_out); -error_video: - media_entity_cleanup(me); - return ret; -} - -/* - * omap3isp_ccdc_init - CCDC module initialization. - * @dev: Device pointer specific to the OMAP3 ISP. - * - * TODO: Get the initialisation values from platform data. - * - * Return 0 on success or a negative error code otherwise. - */ -int omap3isp_ccdc_init(struct isp_device *isp) -{ - struct isp_ccdc_device *ccdc = &isp->isp_ccdc; - int ret; - - spin_lock_init(&ccdc->lock); - init_waitqueue_head(&ccdc->wait); - mutex_init(&ccdc->ioctl_lock); - - ccdc->stopping = CCDC_STOP_NOT_REQUESTED; - - INIT_WORK(&ccdc->lsc.table_work, ccdc_lsc_free_table_work); - ccdc->lsc.state = LSC_STATE_STOPPED; - INIT_LIST_HEAD(&ccdc->lsc.free_queue); - spin_lock_init(&ccdc->lsc.req_lock); - - ccdc->clamp.oblen = 0; - ccdc->clamp.dcsubval = 0; - - ccdc->update = OMAP3ISP_CCDC_BLCLAMP; - ccdc_apply_controls(ccdc); - - ret = ccdc_init_entities(ccdc); - if (ret < 0) { - mutex_destroy(&ccdc->ioctl_lock); - return ret; - } - - return 0; -} - -/* - * omap3isp_ccdc_cleanup - CCDC module cleanup. - * @dev: Device pointer specific to the OMAP3 ISP. - */ -void omap3isp_ccdc_cleanup(struct isp_device *isp) -{ - struct isp_ccdc_device *ccdc = &isp->isp_ccdc; - - omap3isp_video_cleanup(&ccdc->video_out); - media_entity_cleanup(&ccdc->subdev.entity); - - /* Free LSC requests. As the CCDC is stopped there's no active request, - * so only the pending request and the free queue need to be handled. - */ - ccdc_lsc_free_request(ccdc, ccdc->lsc.request); - cancel_work_sync(&ccdc->lsc.table_work); - ccdc_lsc_free_queue(ccdc, &ccdc->lsc.free_queue); - - if (ccdc->fpc.fpcaddr != 0) - omap_iommu_vfree(isp->domain, isp->dev, ccdc->fpc.fpcaddr); - - mutex_destroy(&ccdc->ioctl_lock); -} diff --git a/drivers/media/video/omap3isp/ispccdc.h b/drivers/media/video/omap3isp/ispccdc.h deleted file mode 100644 index a5da9e19edbf..000000000000 --- a/drivers/media/video/omap3isp/ispccdc.h +++ /dev/null @@ -1,172 +0,0 @@ -/* - * ispccdc.h - * - * TI OMAP3 ISP - CCDC module - * - * Copyright (C) 2009-2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef OMAP3_ISP_CCDC_H -#define OMAP3_ISP_CCDC_H - -#include <linux/omap3isp.h> -#include <linux/workqueue.h> - -#include "ispvideo.h" - -enum ccdc_input_entity { - CCDC_INPUT_NONE, - CCDC_INPUT_PARALLEL, - CCDC_INPUT_CSI2A, - CCDC_INPUT_CCP2B, - CCDC_INPUT_CSI2C -}; - -#define CCDC_OUTPUT_MEMORY (1 << 0) -#define CCDC_OUTPUT_PREVIEW (1 << 1) -#define CCDC_OUTPUT_RESIZER (1 << 2) - -#define OMAP3ISP_CCDC_NEVENTS 16 - -enum ispccdc_lsc_state { - LSC_STATE_STOPPED = 0, - LSC_STATE_STOPPING = 1, - LSC_STATE_RUNNING = 2, - LSC_STATE_RECONFIG = 3, -}; - -struct ispccdc_lsc_config_req { - struct list_head list; - struct omap3isp_ccdc_lsc_config config; - unsigned char enable; - u32 table; - struct iovm_struct *iovm; -}; - -/* - * ispccdc_lsc - CCDC LSC parameters - * @update_config: Set when user changes config - * @request_enable: Whether LSC is requested to be enabled - * @config: LSC config set by user - * @update_table: Set when user provides a new LSC table to table_new - * @table_new: LSC table set by user, ISP address - * @table_inuse: LSC table currently in use, ISP address - */ -struct ispccdc_lsc { - enum ispccdc_lsc_state state; - struct work_struct table_work; - - /* LSC queue of configurations */ - spinlock_t req_lock; - struct ispccdc_lsc_config_req *request; /* requested configuration */ - struct ispccdc_lsc_config_req *active; /* active configuration */ - struct list_head free_queue; /* configurations for freeing */ -}; - -#define CCDC_STOP_NOT_REQUESTED 0x00 -#define CCDC_STOP_REQUEST 0x01 -#define CCDC_STOP_EXECUTED (0x02 | CCDC_STOP_REQUEST) -#define CCDC_STOP_CCDC_FINISHED 0x04 -#define CCDC_STOP_LSC_FINISHED 0x08 -#define CCDC_STOP_FINISHED \ - (CCDC_STOP_EXECUTED | CCDC_STOP_CCDC_FINISHED | CCDC_STOP_LSC_FINISHED) - -#define CCDC_EVENT_VD1 0x10 -#define CCDC_EVENT_VD0 0x20 -#define CCDC_EVENT_LSC_DONE 0x40 - -/* Sink and source CCDC pads */ -#define CCDC_PAD_SINK 0 -#define CCDC_PAD_SOURCE_OF 1 -#define CCDC_PAD_SOURCE_VP 2 -#define CCDC_PADS_NUM 3 - -/* - * struct isp_ccdc_device - Structure for the CCDC module to store its own - * information - * @subdev: V4L2 subdevice - * @pads: Sink and source media entity pads - * @formats: Active video formats - * @crop: Active crop rectangle on the OF source pad - * @input: Active input - * @output: Active outputs - * @video_out: Output video node - * @alaw: A-law compression enabled (1) or disabled (0) - * @lpf: Low pass filter enabled (1) or disabled (0) - * @obclamp: Optical-black clamp enabled (1) or disabled (0) - * @fpc_en: Faulty pixels correction enabled (1) or disabled (0) - * @blcomp: Black level compensation configuration - * @clamp: Optical-black or digital clamp configuration - * @fpc: Faulty pixels correction configuration - * @lsc: Lens shading compensation configuration - * @update: Bitmask of controls to update during the next interrupt - * @shadow_update: Controls update in progress by userspace - * @underrun: A buffer underrun occurred and a new buffer has been queued - * @state: Streaming state - * @lock: Serializes shadow_update with interrupt handler - * @wait: Wait queue used to stop the module - * @stopping: Stopping state - * @ioctl_lock: Serializes ioctl calls and LSC requests freeing - */ -struct isp_ccdc_device { - struct v4l2_subdev subdev; - struct media_pad pads[CCDC_PADS_NUM]; - struct v4l2_mbus_framefmt formats[CCDC_PADS_NUM]; - struct v4l2_rect crop; - - enum ccdc_input_entity input; - unsigned int output; - struct isp_video video_out; - - unsigned int alaw:1, - lpf:1, - obclamp:1, - fpc_en:1; - struct omap3isp_ccdc_blcomp blcomp; - struct omap3isp_ccdc_bclamp clamp; - struct omap3isp_ccdc_fpc fpc; - struct ispccdc_lsc lsc; - unsigned int update; - unsigned int shadow_update; - - unsigned int underrun:1; - enum isp_pipeline_stream_state state; - spinlock_t lock; - wait_queue_head_t wait; - unsigned int stopping; - struct mutex ioctl_lock; -}; - -struct isp_device; - -int omap3isp_ccdc_init(struct isp_device *isp); -void omap3isp_ccdc_cleanup(struct isp_device *isp); -int omap3isp_ccdc_register_entities(struct isp_ccdc_device *ccdc, - struct v4l2_device *vdev); -void omap3isp_ccdc_unregister_entities(struct isp_ccdc_device *ccdc); - -int omap3isp_ccdc_busy(struct isp_ccdc_device *isp_ccdc); -int omap3isp_ccdc_isr(struct isp_ccdc_device *isp_ccdc, u32 events); -void omap3isp_ccdc_restore_context(struct isp_device *isp); -void omap3isp_ccdc_max_rate(struct isp_ccdc_device *ccdc, - unsigned int *max_rate); - -#endif /* OMAP3_ISP_CCDC_H */ diff --git a/drivers/media/video/omap3isp/ispccp2.c b/drivers/media/video/omap3isp/ispccp2.c deleted file mode 100644 index 85f0de85f37c..000000000000 --- a/drivers/media/video/omap3isp/ispccp2.c +++ /dev/null @@ -1,1171 +0,0 @@ -/* - * ispccp2.c - * - * TI OMAP3 ISP - CCP2 module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2010 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/mm.h> -#include <linux/module.h> -#include <linux/mutex.h> -#include <linux/uaccess.h> -#include <linux/regulator/consumer.h> - -#include "isp.h" -#include "ispreg.h" -#include "ispccp2.h" - -/* Number of LCX channels */ -#define CCP2_LCx_CHANS_NUM 3 -/* Max/Min size for CCP2 video port */ -#define ISPCCP2_DAT_START_MIN 0 -#define ISPCCP2_DAT_START_MAX 4095 -#define ISPCCP2_DAT_SIZE_MIN 0 -#define ISPCCP2_DAT_SIZE_MAX 4095 -#define ISPCCP2_VPCLK_FRACDIV 65536 -#define ISPCCP2_LCx_CTRL_FORMAT_RAW8_DPCM10_VP 0x12 -#define ISPCCP2_LCx_CTRL_FORMAT_RAW10_VP 0x16 -/* Max/Min size for CCP2 memory channel */ -#define ISPCCP2_LCM_HSIZE_COUNT_MIN 16 -#define ISPCCP2_LCM_HSIZE_COUNT_MAX 8191 -#define ISPCCP2_LCM_HSIZE_SKIP_MIN 0 -#define ISPCCP2_LCM_HSIZE_SKIP_MAX 8191 -#define ISPCCP2_LCM_VSIZE_MIN 1 -#define ISPCCP2_LCM_VSIZE_MAX 8191 -#define ISPCCP2_LCM_HWORDS_MIN 1 -#define ISPCCP2_LCM_HWORDS_MAX 4095 -#define ISPCCP2_LCM_CTRL_BURST_SIZE_32X 5 -#define ISPCCP2_LCM_CTRL_READ_THROTTLE_FULL 0 -#define ISPCCP2_LCM_CTRL_SRC_DECOMPR_DPCM10 2 -#define ISPCCP2_LCM_CTRL_SRC_FORMAT_RAW8 2 -#define ISPCCP2_LCM_CTRL_SRC_FORMAT_RAW10 3 -#define ISPCCP2_LCM_CTRL_DST_FORMAT_RAW10 3 -#define ISPCCP2_LCM_CTRL_DST_PORT_VP 0 -#define ISPCCP2_LCM_CTRL_DST_PORT_MEM 1 - -/* Set only the required bits */ -#define BIT_SET(var, shift, mask, val) \ - do { \ - var = ((var) & ~((mask) << (shift))) \ - | ((val) << (shift)); \ - } while (0) - -/* - * ccp2_print_status - Print current CCP2 module register values. - */ -#define CCP2_PRINT_REGISTER(isp, name)\ - dev_dbg(isp->dev, "###CCP2 " #name "=0x%08x\n", \ - isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_##name)) - -static void ccp2_print_status(struct isp_ccp2_device *ccp2) -{ - struct isp_device *isp = to_isp_device(ccp2); - - dev_dbg(isp->dev, "-------------CCP2 Register dump-------------\n"); - - CCP2_PRINT_REGISTER(isp, SYSCONFIG); - CCP2_PRINT_REGISTER(isp, SYSSTATUS); - CCP2_PRINT_REGISTER(isp, LC01_IRQENABLE); - CCP2_PRINT_REGISTER(isp, LC01_IRQSTATUS); - CCP2_PRINT_REGISTER(isp, LC23_IRQENABLE); - CCP2_PRINT_REGISTER(isp, LC23_IRQSTATUS); - CCP2_PRINT_REGISTER(isp, LCM_IRQENABLE); - CCP2_PRINT_REGISTER(isp, LCM_IRQSTATUS); - CCP2_PRINT_REGISTER(isp, CTRL); - CCP2_PRINT_REGISTER(isp, LCx_CTRL(0)); - CCP2_PRINT_REGISTER(isp, LCx_CODE(0)); - CCP2_PRINT_REGISTER(isp, LCx_STAT_START(0)); - CCP2_PRINT_REGISTER(isp, LCx_STAT_SIZE(0)); - CCP2_PRINT_REGISTER(isp, LCx_SOF_ADDR(0)); - CCP2_PRINT_REGISTER(isp, LCx_EOF_ADDR(0)); - CCP2_PRINT_REGISTER(isp, LCx_DAT_START(0)); - CCP2_PRINT_REGISTER(isp, LCx_DAT_SIZE(0)); - CCP2_PRINT_REGISTER(isp, LCx_DAT_PING_ADDR(0)); - CCP2_PRINT_REGISTER(isp, LCx_DAT_PONG_ADDR(0)); - CCP2_PRINT_REGISTER(isp, LCx_DAT_OFST(0)); - CCP2_PRINT_REGISTER(isp, LCM_CTRL); - CCP2_PRINT_REGISTER(isp, LCM_VSIZE); - CCP2_PRINT_REGISTER(isp, LCM_HSIZE); - CCP2_PRINT_REGISTER(isp, LCM_PREFETCH); - CCP2_PRINT_REGISTER(isp, LCM_SRC_ADDR); - CCP2_PRINT_REGISTER(isp, LCM_SRC_OFST); - CCP2_PRINT_REGISTER(isp, LCM_DST_ADDR); - CCP2_PRINT_REGISTER(isp, LCM_DST_OFST); - - dev_dbg(isp->dev, "--------------------------------------------\n"); -} - -/* - * ccp2_reset - Reset the CCP2 - * @ccp2: pointer to ISP CCP2 device - */ -static void ccp2_reset(struct isp_ccp2_device *ccp2) -{ - struct isp_device *isp = to_isp_device(ccp2); - int i = 0; - - /* Reset the CSI1/CCP2B and wait for reset to complete */ - isp_reg_set(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_SYSCONFIG, - ISPCCP2_SYSCONFIG_SOFT_RESET); - while (!(isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_SYSSTATUS) & - ISPCCP2_SYSSTATUS_RESET_DONE)) { - udelay(10); - if (i++ > 10) { /* try read 10 times */ - dev_warn(isp->dev, - "omap3_isp: timeout waiting for ccp2 reset\n"); - break; - } - } -} - -/* - * ccp2_pwr_cfg - Configure the power mode settings - * @ccp2: pointer to ISP CCP2 device - */ -static void ccp2_pwr_cfg(struct isp_ccp2_device *ccp2) -{ - struct isp_device *isp = to_isp_device(ccp2); - - isp_reg_writel(isp, ISPCCP2_SYSCONFIG_MSTANDBY_MODE_SMART | - ((isp->revision == ISP_REVISION_15_0 && isp->autoidle) ? - ISPCCP2_SYSCONFIG_AUTO_IDLE : 0), - OMAP3_ISP_IOMEM_CCP2, ISPCCP2_SYSCONFIG); -} - -/* - * ccp2_if_enable - Enable CCP2 interface. - * @ccp2: pointer to ISP CCP2 device - * @enable: enable/disable flag - */ -static void ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable) -{ - struct isp_device *isp = to_isp_device(ccp2); - int i; - - if (enable && ccp2->vdds_csib) - regulator_enable(ccp2->vdds_csib); - - /* Enable/Disable all the LCx channels */ - for (i = 0; i < CCP2_LCx_CHANS_NUM; i++) - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCx_CTRL(i), - ISPCCP2_LCx_CTRL_CHAN_EN, - enable ? ISPCCP2_LCx_CTRL_CHAN_EN : 0); - - /* Enable/Disable ccp2 interface in ccp2 mode */ - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_CTRL, - ISPCCP2_CTRL_MODE | ISPCCP2_CTRL_IF_EN, - enable ? (ISPCCP2_CTRL_MODE | ISPCCP2_CTRL_IF_EN) : 0); - - if (!enable && ccp2->vdds_csib) - regulator_disable(ccp2->vdds_csib); -} - -/* - * ccp2_mem_enable - Enable CCP2 memory interface. - * @ccp2: pointer to ISP CCP2 device - * @enable: enable/disable flag - */ -static void ccp2_mem_enable(struct isp_ccp2_device *ccp2, u8 enable) -{ - struct isp_device *isp = to_isp_device(ccp2); - - if (enable) - ccp2_if_enable(ccp2, 0); - - /* Enable/Disable ccp2 interface in ccp2 mode */ - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_CTRL, - ISPCCP2_CTRL_MODE, enable ? ISPCCP2_CTRL_MODE : 0); - - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCM_CTRL, - ISPCCP2_LCM_CTRL_CHAN_EN, - enable ? ISPCCP2_LCM_CTRL_CHAN_EN : 0); -} - -/* - * ccp2_phyif_config - Initialize CCP2 phy interface config - * @ccp2: Pointer to ISP CCP2 device - * @config: CCP2 platform data - * - * Configure the CCP2 physical interface module from platform data. - * - * Returns -EIO if strobe is chosen in CSI1 mode, or 0 on success. - */ -static int ccp2_phyif_config(struct isp_ccp2_device *ccp2, - const struct isp_ccp2_platform_data *pdata) -{ - struct isp_device *isp = to_isp_device(ccp2); - u32 val; - - /* CCP2B mode */ - val = isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_CTRL) | - ISPCCP2_CTRL_IO_OUT_SEL | ISPCCP2_CTRL_MODE; - /* Data/strobe physical layer */ - BIT_SET(val, ISPCCP2_CTRL_PHY_SEL_SHIFT, ISPCCP2_CTRL_PHY_SEL_MASK, - pdata->phy_layer); - BIT_SET(val, ISPCCP2_CTRL_INV_SHIFT, ISPCCP2_CTRL_INV_MASK, - pdata->strobe_clk_pol); - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_CTRL); - - val = isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_CTRL); - if (!(val & ISPCCP2_CTRL_MODE)) { - if (pdata->ccp2_mode == ISP_CCP2_MODE_CCP2) - dev_warn(isp->dev, "OMAP3 CCP2 bus not available\n"); - if (pdata->phy_layer == ISP_CCP2_PHY_DATA_STROBE) - /* Strobe mode requires CCP2 */ - return -EIO; - } - - return 0; -} - -/* - * ccp2_vp_config - Initialize CCP2 video port interface. - * @ccp2: Pointer to ISP CCP2 device - * @vpclk_div: Video port divisor - * - * Configure the CCP2 video port with the given clock divisor. The valid divisor - * values depend on the ISP revision: - * - * - revision 1.0 and 2.0 1 to 4 - * - revision 15.0 1 to 65536 - * - * The exact divisor value used might differ from the requested value, as ISP - * revision 15.0 represent the divisor by 65536 divided by an integer. - */ -static void ccp2_vp_config(struct isp_ccp2_device *ccp2, - unsigned int vpclk_div) -{ - struct isp_device *isp = to_isp_device(ccp2); - u32 val; - - /* ISPCCP2_CTRL Video port */ - val = isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_CTRL); - val |= ISPCCP2_CTRL_VP_ONLY_EN; /* Disable the memory write port */ - - if (isp->revision == ISP_REVISION_15_0) { - vpclk_div = clamp_t(unsigned int, vpclk_div, 1, 65536); - vpclk_div = min(ISPCCP2_VPCLK_FRACDIV / vpclk_div, 65535U); - BIT_SET(val, ISPCCP2_CTRL_VPCLK_DIV_SHIFT, - ISPCCP2_CTRL_VPCLK_DIV_MASK, vpclk_div); - } else { - vpclk_div = clamp_t(unsigned int, vpclk_div, 1, 4); - BIT_SET(val, ISPCCP2_CTRL_VP_OUT_CTRL_SHIFT, - ISPCCP2_CTRL_VP_OUT_CTRL_MASK, vpclk_div - 1); - } - - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_CTRL); -} - -/* - * ccp2_lcx_config - Initialize CCP2 logical channel interface. - * @ccp2: Pointer to ISP CCP2 device - * @config: Pointer to ISP LCx config structure. - * - * This will analyze the parameters passed by the interface config - * and configure CSI1/CCP2 logical channel - * - */ -static void ccp2_lcx_config(struct isp_ccp2_device *ccp2, - struct isp_interface_lcx_config *config) -{ - struct isp_device *isp = to_isp_device(ccp2); - u32 val, format; - - switch (config->format) { - case V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8: - format = ISPCCP2_LCx_CTRL_FORMAT_RAW8_DPCM10_VP; - break; - case V4L2_MBUS_FMT_SGRBG10_1X10: - default: - format = ISPCCP2_LCx_CTRL_FORMAT_RAW10_VP; /* RAW10+VP */ - break; - } - /* ISPCCP2_LCx_CTRL logical channel #0 */ - val = isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCx_CTRL(0)) - | (ISPCCP2_LCx_CTRL_REGION_EN); /* Region */ - - if (isp->revision == ISP_REVISION_15_0) { - /* CRC */ - BIT_SET(val, ISPCCP2_LCx_CTRL_CRC_SHIFT_15_0, - ISPCCP2_LCx_CTRL_CRC_MASK, - config->crc); - /* Format = RAW10+VP or RAW8+DPCM10+VP*/ - BIT_SET(val, ISPCCP2_LCx_CTRL_FORMAT_SHIFT_15_0, - ISPCCP2_LCx_CTRL_FORMAT_MASK_15_0, format); - } else { - BIT_SET(val, ISPCCP2_LCx_CTRL_CRC_SHIFT, - ISPCCP2_LCx_CTRL_CRC_MASK, - config->crc); - - BIT_SET(val, ISPCCP2_LCx_CTRL_FORMAT_SHIFT, - ISPCCP2_LCx_CTRL_FORMAT_MASK, format); - } - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCx_CTRL(0)); - - /* ISPCCP2_DAT_START for logical channel #0 */ - isp_reg_writel(isp, config->data_start << ISPCCP2_LCx_DAT_SHIFT, - OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCx_DAT_START(0)); - - /* ISPCCP2_DAT_SIZE for logical channel #0 */ - isp_reg_writel(isp, config->data_size << ISPCCP2_LCx_DAT_SHIFT, - OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCx_DAT_SIZE(0)); - - /* Enable error IRQs for logical channel #0 */ - val = ISPCCP2_LC01_IRQSTATUS_LC0_FIFO_OVF_IRQ | - ISPCCP2_LC01_IRQSTATUS_LC0_CRC_IRQ | - ISPCCP2_LC01_IRQSTATUS_LC0_FSP_IRQ | - ISPCCP2_LC01_IRQSTATUS_LC0_FW_IRQ | - ISPCCP2_LC01_IRQSTATUS_LC0_FSC_IRQ | - ISPCCP2_LC01_IRQSTATUS_LC0_SSC_IRQ; - - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LC01_IRQSTATUS); - isp_reg_set(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LC01_IRQENABLE, val); -} - -/* - * ccp2_if_configure - Configure ccp2 with data from sensor - * @ccp2: Pointer to ISP CCP2 device - * - * Return 0 on success or a negative error code - */ -static int ccp2_if_configure(struct isp_ccp2_device *ccp2) -{ - const struct isp_v4l2_subdevs_group *pdata; - struct v4l2_mbus_framefmt *format; - struct media_pad *pad; - struct v4l2_subdev *sensor; - u32 lines = 0; - int ret; - - ccp2_pwr_cfg(ccp2); - - pad = media_entity_remote_source(&ccp2->pads[CCP2_PAD_SINK]); - sensor = media_entity_to_v4l2_subdev(pad->entity); - pdata = sensor->host_priv; - - ret = ccp2_phyif_config(ccp2, &pdata->bus.ccp2); - if (ret < 0) - return ret; - - ccp2_vp_config(ccp2, pdata->bus.ccp2.vpclk_div + 1); - - v4l2_subdev_call(sensor, sensor, g_skip_top_lines, &lines); - - format = &ccp2->formats[CCP2_PAD_SINK]; - - ccp2->if_cfg.data_start = lines; - ccp2->if_cfg.crc = pdata->bus.ccp2.crc; - ccp2->if_cfg.format = format->code; - ccp2->if_cfg.data_size = format->height; - - ccp2_lcx_config(ccp2, &ccp2->if_cfg); - - return 0; -} - -static int ccp2_adjust_bandwidth(struct isp_ccp2_device *ccp2) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&ccp2->subdev.entity); - struct isp_device *isp = to_isp_device(ccp2); - const struct v4l2_mbus_framefmt *ofmt = &ccp2->formats[CCP2_PAD_SOURCE]; - unsigned long l3_ick = pipe->l3_ick; - struct v4l2_fract *timeperframe; - unsigned int vpclk_div = 2; - unsigned int value; - u64 bound; - u64 area; - - /* Compute the minimum clock divisor, based on the pipeline maximum - * data rate. This is an absolute lower bound if we don't want SBL - * overflows, so round the value up. - */ - vpclk_div = max_t(unsigned int, DIV_ROUND_UP(l3_ick, pipe->max_rate), - vpclk_div); - - /* Compute the maximum clock divisor, based on the requested frame rate. - * This is a soft lower bound to achieve a frame rate equal or higher - * than the requested value, so round the value down. - */ - timeperframe = &pipe->max_timeperframe; - - if (timeperframe->numerator) { - area = ofmt->width * ofmt->height; - bound = div_u64(area * timeperframe->denominator, - timeperframe->numerator); - value = min_t(u64, bound, l3_ick); - vpclk_div = max_t(unsigned int, l3_ick / value, vpclk_div); - } - - dev_dbg(isp->dev, "%s: minimum clock divisor = %u\n", __func__, - vpclk_div); - - return vpclk_div; -} - -/* - * ccp2_mem_configure - Initialize CCP2 memory input/output interface - * @ccp2: Pointer to ISP CCP2 device - * @config: Pointer to ISP mem interface config structure - * - * This will analyze the parameters passed by the interface config - * structure, and configure the respective registers for proper - * CSI1/CCP2 memory input. - */ -static void ccp2_mem_configure(struct isp_ccp2_device *ccp2, - struct isp_interface_mem_config *config) -{ - struct isp_device *isp = to_isp_device(ccp2); - u32 sink_pixcode = ccp2->formats[CCP2_PAD_SINK].code; - u32 source_pixcode = ccp2->formats[CCP2_PAD_SOURCE].code; - unsigned int dpcm_decompress = 0; - u32 val, hwords; - - if (sink_pixcode != source_pixcode && - sink_pixcode == V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8) - dpcm_decompress = 1; - - ccp2_pwr_cfg(ccp2); - - /* Hsize, Skip */ - isp_reg_writel(isp, ISPCCP2_LCM_HSIZE_SKIP_MIN | - (config->hsize_count << ISPCCP2_LCM_HSIZE_SHIFT), - OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCM_HSIZE); - - /* Vsize, no. of lines */ - isp_reg_writel(isp, config->vsize_count << ISPCCP2_LCM_VSIZE_SHIFT, - OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCM_VSIZE); - - if (ccp2->video_in.bpl_padding == 0) - config->src_ofst = 0; - else - config->src_ofst = ccp2->video_in.bpl_value; - - isp_reg_writel(isp, config->src_ofst, OMAP3_ISP_IOMEM_CCP2, - ISPCCP2_LCM_SRC_OFST); - - /* Source and Destination formats */ - val = ISPCCP2_LCM_CTRL_DST_FORMAT_RAW10 << - ISPCCP2_LCM_CTRL_DST_FORMAT_SHIFT; - - if (dpcm_decompress) { - /* source format is RAW8 */ - val |= ISPCCP2_LCM_CTRL_SRC_FORMAT_RAW8 << - ISPCCP2_LCM_CTRL_SRC_FORMAT_SHIFT; - - /* RAW8 + DPCM10 - simple predictor */ - val |= ISPCCP2_LCM_CTRL_SRC_DPCM_PRED; - - /* enable source DPCM decompression */ - val |= ISPCCP2_LCM_CTRL_SRC_DECOMPR_DPCM10 << - ISPCCP2_LCM_CTRL_SRC_DECOMPR_SHIFT; - } else { - /* source format is RAW10 */ - val |= ISPCCP2_LCM_CTRL_SRC_FORMAT_RAW10 << - ISPCCP2_LCM_CTRL_SRC_FORMAT_SHIFT; - } - - /* Burst size to 32x64 */ - val |= ISPCCP2_LCM_CTRL_BURST_SIZE_32X << - ISPCCP2_LCM_CTRL_BURST_SIZE_SHIFT; - - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCM_CTRL); - - /* Prefetch setup */ - if (dpcm_decompress) - hwords = (ISPCCP2_LCM_HSIZE_SKIP_MIN + - config->hsize_count) >> 3; - else - hwords = (ISPCCP2_LCM_HSIZE_SKIP_MIN + - config->hsize_count) >> 2; - - isp_reg_writel(isp, hwords << ISPCCP2_LCM_PREFETCH_SHIFT, - OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCM_PREFETCH); - - /* Video port */ - isp_reg_set(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_CTRL, - ISPCCP2_CTRL_IO_OUT_SEL | ISPCCP2_CTRL_MODE); - ccp2_vp_config(ccp2, ccp2_adjust_bandwidth(ccp2)); - - /* Clear LCM interrupts */ - isp_reg_writel(isp, ISPCCP2_LCM_IRQSTATUS_OCPERROR_IRQ | - ISPCCP2_LCM_IRQSTATUS_EOF_IRQ, - OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCM_IRQSTATUS); - - /* Enable LCM interupts */ - isp_reg_set(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCM_IRQENABLE, - ISPCCP2_LCM_IRQSTATUS_EOF_IRQ | - ISPCCP2_LCM_IRQSTATUS_OCPERROR_IRQ); -} - -/* - * ccp2_set_inaddr - Sets memory address of input frame. - * @ccp2: Pointer to ISP CCP2 device - * @addr: 32bit memory address aligned on 32byte boundary. - * - * Configures the memory address from which the input frame is to be read. - */ -static void ccp2_set_inaddr(struct isp_ccp2_device *ccp2, u32 addr) -{ - struct isp_device *isp = to_isp_device(ccp2); - - isp_reg_writel(isp, addr, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCM_SRC_ADDR); -} - -/* ----------------------------------------------------------------------------- - * Interrupt handling - */ - -static void ccp2_isr_buffer(struct isp_ccp2_device *ccp2) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&ccp2->subdev.entity); - struct isp_buffer *buffer; - - buffer = omap3isp_video_buffer_next(&ccp2->video_in); - if (buffer != NULL) - ccp2_set_inaddr(ccp2, buffer->isp_addr); - - pipe->state |= ISP_PIPELINE_IDLE_INPUT; - - if (ccp2->state == ISP_PIPELINE_STREAM_SINGLESHOT) { - if (isp_pipeline_ready(pipe)) - omap3isp_pipeline_set_stream(pipe, - ISP_PIPELINE_STREAM_SINGLESHOT); - } -} - -/* - * omap3isp_ccp2_isr - Handle ISP CCP2 interrupts - * @ccp2: Pointer to ISP CCP2 device - * - * This will handle the CCP2 interrupts - */ -void omap3isp_ccp2_isr(struct isp_ccp2_device *ccp2) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&ccp2->subdev.entity); - struct isp_device *isp = to_isp_device(ccp2); - static const u32 ISPCCP2_LC01_ERROR = - ISPCCP2_LC01_IRQSTATUS_LC0_FIFO_OVF_IRQ | - ISPCCP2_LC01_IRQSTATUS_LC0_CRC_IRQ | - ISPCCP2_LC01_IRQSTATUS_LC0_FSP_IRQ | - ISPCCP2_LC01_IRQSTATUS_LC0_FW_IRQ | - ISPCCP2_LC01_IRQSTATUS_LC0_FSC_IRQ | - ISPCCP2_LC01_IRQSTATUS_LC0_SSC_IRQ; - u32 lcx_irqstatus, lcm_irqstatus; - - /* First clear the interrupts */ - lcx_irqstatus = isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCP2, - ISPCCP2_LC01_IRQSTATUS); - isp_reg_writel(isp, lcx_irqstatus, OMAP3_ISP_IOMEM_CCP2, - ISPCCP2_LC01_IRQSTATUS); - - lcm_irqstatus = isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCP2, - ISPCCP2_LCM_IRQSTATUS); - isp_reg_writel(isp, lcm_irqstatus, OMAP3_ISP_IOMEM_CCP2, - ISPCCP2_LCM_IRQSTATUS); - /* Errors */ - if (lcx_irqstatus & ISPCCP2_LC01_ERROR) { - pipe->error = true; - dev_dbg(isp->dev, "CCP2 err:%x\n", lcx_irqstatus); - return; - } - - if (lcm_irqstatus & ISPCCP2_LCM_IRQSTATUS_OCPERROR_IRQ) { - pipe->error = true; - dev_dbg(isp->dev, "CCP2 OCP err:%x\n", lcm_irqstatus); - } - - if (omap3isp_module_sync_is_stopping(&ccp2->wait, &ccp2->stopping)) - return; - - /* Handle queued buffers on frame end interrupts */ - if (lcm_irqstatus & ISPCCP2_LCM_IRQSTATUS_EOF_IRQ) - ccp2_isr_buffer(ccp2); -} - -/* ----------------------------------------------------------------------------- - * V4L2 subdev operations - */ - -static const unsigned int ccp2_fmts[] = { - V4L2_MBUS_FMT_SGRBG10_1X10, - V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8, -}; - -/* - * __ccp2_get_format - helper function for getting ccp2 format - * @ccp2 : Pointer to ISP CCP2 device - * @fh : V4L2 subdev file handle - * @pad : pad number - * @which : wanted subdev format - * return format structure or NULL on error - */ -static struct v4l2_mbus_framefmt * -__ccp2_get_format(struct isp_ccp2_device *ccp2, struct v4l2_subdev_fh *fh, - unsigned int pad, enum v4l2_subdev_format_whence which) -{ - if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_get_try_format(fh, pad); - else - return &ccp2->formats[pad]; -} - -/* - * ccp2_try_format - Handle try format by pad subdev method - * @ccp2 : Pointer to ISP CCP2 device - * @fh : V4L2 subdev file handle - * @pad : pad num - * @fmt : pointer to v4l2 mbus format structure - * @which : wanted subdev format - */ -static void ccp2_try_format(struct isp_ccp2_device *ccp2, - struct v4l2_subdev_fh *fh, unsigned int pad, - struct v4l2_mbus_framefmt *fmt, - enum v4l2_subdev_format_whence which) -{ - struct v4l2_mbus_framefmt *format; - - switch (pad) { - case CCP2_PAD_SINK: - if (fmt->code != V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8) - fmt->code = V4L2_MBUS_FMT_SGRBG10_1X10; - - if (ccp2->input == CCP2_INPUT_SENSOR) { - fmt->width = clamp_t(u32, fmt->width, - ISPCCP2_DAT_START_MIN, - ISPCCP2_DAT_START_MAX); - fmt->height = clamp_t(u32, fmt->height, - ISPCCP2_DAT_SIZE_MIN, - ISPCCP2_DAT_SIZE_MAX); - } else if (ccp2->input == CCP2_INPUT_MEMORY) { - fmt->width = clamp_t(u32, fmt->width, - ISPCCP2_LCM_HSIZE_COUNT_MIN, - ISPCCP2_LCM_HSIZE_COUNT_MAX); - fmt->height = clamp_t(u32, fmt->height, - ISPCCP2_LCM_VSIZE_MIN, - ISPCCP2_LCM_VSIZE_MAX); - } - break; - - case CCP2_PAD_SOURCE: - /* Source format - copy sink format and change pixel code - * to SGRBG10_1X10 as we don't support CCP2 write to memory. - * When CCP2 write to memory feature will be added this - * should be changed properly. - */ - format = __ccp2_get_format(ccp2, fh, CCP2_PAD_SINK, which); - memcpy(fmt, format, sizeof(*fmt)); - fmt->code = V4L2_MBUS_FMT_SGRBG10_1X10; - break; - } - - fmt->field = V4L2_FIELD_NONE; - fmt->colorspace = V4L2_COLORSPACE_SRGB; -} - -/* - * ccp2_enum_mbus_code - Handle pixel format enumeration - * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @code : pointer to v4l2_subdev_mbus_code_enum structure - * return -EINVAL or zero on success - */ -static int ccp2_enum_mbus_code(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_mbus_code_enum *code) -{ - struct isp_ccp2_device *ccp2 = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - if (code->pad == CCP2_PAD_SINK) { - if (code->index >= ARRAY_SIZE(ccp2_fmts)) - return -EINVAL; - - code->code = ccp2_fmts[code->index]; - } else { - if (code->index != 0) - return -EINVAL; - - format = __ccp2_get_format(ccp2, fh, CCP2_PAD_SINK, - V4L2_SUBDEV_FORMAT_TRY); - code->code = format->code; - } - - return 0; -} - -static int ccp2_enum_frame_size(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_frame_size_enum *fse) -{ - struct isp_ccp2_device *ccp2 = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt format; - - if (fse->index != 0) - return -EINVAL; - - format.code = fse->code; - format.width = 1; - format.height = 1; - ccp2_try_format(ccp2, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); - fse->min_width = format.width; - fse->min_height = format.height; - - if (format.code != fse->code) - return -EINVAL; - - format.code = fse->code; - format.width = -1; - format.height = -1; - ccp2_try_format(ccp2, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); - fse->max_width = format.width; - fse->max_height = format.height; - - return 0; -} - -/* - * ccp2_get_format - Handle get format by pads subdev method - * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @fmt : pointer to v4l2 subdev format structure - * return -EINVAL or zero on success - */ -static int ccp2_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_format *fmt) -{ - struct isp_ccp2_device *ccp2 = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - format = __ccp2_get_format(ccp2, fh, fmt->pad, fmt->which); - if (format == NULL) - return -EINVAL; - - fmt->format = *format; - return 0; -} - -/* - * ccp2_set_format - Handle set format by pads subdev method - * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @fmt : pointer to v4l2 subdev format structure - * returns zero - */ -static int ccp2_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_format *fmt) -{ - struct isp_ccp2_device *ccp2 = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - format = __ccp2_get_format(ccp2, fh, fmt->pad, fmt->which); - if (format == NULL) - return -EINVAL; - - ccp2_try_format(ccp2, fh, fmt->pad, &fmt->format, fmt->which); - *format = fmt->format; - - /* Propagate the format from sink to source */ - if (fmt->pad == CCP2_PAD_SINK) { - format = __ccp2_get_format(ccp2, fh, CCP2_PAD_SOURCE, - fmt->which); - *format = fmt->format; - ccp2_try_format(ccp2, fh, CCP2_PAD_SOURCE, format, fmt->which); - } - - return 0; -} - -/* - * ccp2_init_formats - Initialize formats on all pads - * @sd: ISP CCP2 V4L2 subdevice - * @fh: V4L2 subdev file handle - * - * Initialize all pad formats with default values. If fh is not NULL, try - * formats are initialized on the file handle. Otherwise active formats are - * initialized on the device. - */ -static int ccp2_init_formats(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) -{ - struct v4l2_subdev_format format; - - memset(&format, 0, sizeof(format)); - format.pad = CCP2_PAD_SINK; - format.which = fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; - format.format.code = V4L2_MBUS_FMT_SGRBG10_1X10; - format.format.width = 4096; - format.format.height = 4096; - ccp2_set_format(sd, fh, &format); - - return 0; -} - -/* - * ccp2_s_stream - Enable/Disable streaming on ccp2 subdev - * @sd : pointer to v4l2 subdev structure - * @enable: 1 == Enable, 0 == Disable - * return zero - */ -static int ccp2_s_stream(struct v4l2_subdev *sd, int enable) -{ - struct isp_ccp2_device *ccp2 = v4l2_get_subdevdata(sd); - struct isp_device *isp = to_isp_device(ccp2); - struct device *dev = to_device(ccp2); - int ret; - - if (ccp2->state == ISP_PIPELINE_STREAM_STOPPED) { - if (enable == ISP_PIPELINE_STREAM_STOPPED) - return 0; - atomic_set(&ccp2->stopping, 0); - } - - switch (enable) { - case ISP_PIPELINE_STREAM_CONTINUOUS: - if (ccp2->phy) { - ret = omap3isp_csiphy_acquire(ccp2->phy); - if (ret < 0) - return ret; - } - - ccp2_if_configure(ccp2); - ccp2_print_status(ccp2); - - /* Enable CSI1/CCP2 interface */ - ccp2_if_enable(ccp2, 1); - break; - - case ISP_PIPELINE_STREAM_SINGLESHOT: - if (ccp2->state != ISP_PIPELINE_STREAM_SINGLESHOT) { - struct v4l2_mbus_framefmt *format; - - format = &ccp2->formats[CCP2_PAD_SINK]; - - ccp2->mem_cfg.hsize_count = format->width; - ccp2->mem_cfg.vsize_count = format->height; - ccp2->mem_cfg.src_ofst = 0; - - ccp2_mem_configure(ccp2, &ccp2->mem_cfg); - omap3isp_sbl_enable(isp, OMAP3_ISP_SBL_CSI1_READ); - ccp2_print_status(ccp2); - } - ccp2_mem_enable(ccp2, 1); - break; - - case ISP_PIPELINE_STREAM_STOPPED: - if (omap3isp_module_sync_idle(&sd->entity, &ccp2->wait, - &ccp2->stopping)) - dev_dbg(dev, "%s: module stop timeout.\n", sd->name); - if (ccp2->input == CCP2_INPUT_MEMORY) { - ccp2_mem_enable(ccp2, 0); - omap3isp_sbl_disable(isp, OMAP3_ISP_SBL_CSI1_READ); - } else if (ccp2->input == CCP2_INPUT_SENSOR) { - /* Disable CSI1/CCP2 interface */ - ccp2_if_enable(ccp2, 0); - if (ccp2->phy) - omap3isp_csiphy_release(ccp2->phy); - } - break; - } - - ccp2->state = enable; - return 0; -} - -/* subdev video operations */ -static const struct v4l2_subdev_video_ops ccp2_sd_video_ops = { - .s_stream = ccp2_s_stream, -}; - -/* subdev pad operations */ -static const struct v4l2_subdev_pad_ops ccp2_sd_pad_ops = { - .enum_mbus_code = ccp2_enum_mbus_code, - .enum_frame_size = ccp2_enum_frame_size, - .get_fmt = ccp2_get_format, - .set_fmt = ccp2_set_format, -}; - -/* subdev operations */ -static const struct v4l2_subdev_ops ccp2_sd_ops = { - .video = &ccp2_sd_video_ops, - .pad = &ccp2_sd_pad_ops, -}; - -/* subdev internal operations */ -static const struct v4l2_subdev_internal_ops ccp2_sd_internal_ops = { - .open = ccp2_init_formats, -}; - -/* -------------------------------------------------------------------------- - * ISP ccp2 video device node - */ - -/* - * ccp2_video_queue - Queue video buffer. - * @video : Pointer to isp video structure - * @buffer: Pointer to isp_buffer structure - * return -EIO or zero on success - */ -static int ccp2_video_queue(struct isp_video *video, struct isp_buffer *buffer) -{ - struct isp_ccp2_device *ccp2 = &video->isp->isp_ccp2; - - ccp2_set_inaddr(ccp2, buffer->isp_addr); - return 0; -} - -static const struct isp_video_operations ccp2_video_ops = { - .queue = ccp2_video_queue, -}; - -/* ----------------------------------------------------------------------------- - * Media entity operations - */ - -/* - * ccp2_link_setup - Setup ccp2 connections. - * @entity : Pointer to media entity structure - * @local : Pointer to local pad array - * @remote : Pointer to remote pad array - * @flags : Link flags - * return -EINVAL on error or zero on success - */ -static int ccp2_link_setup(struct media_entity *entity, - const struct media_pad *local, - const struct media_pad *remote, u32 flags) -{ - struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); - struct isp_ccp2_device *ccp2 = v4l2_get_subdevdata(sd); - - switch (local->index | media_entity_type(remote->entity)) { - case CCP2_PAD_SINK | MEDIA_ENT_T_DEVNODE: - /* read from memory */ - if (flags & MEDIA_LNK_FL_ENABLED) { - if (ccp2->input == CCP2_INPUT_SENSOR) - return -EBUSY; - ccp2->input = CCP2_INPUT_MEMORY; - } else { - if (ccp2->input == CCP2_INPUT_MEMORY) - ccp2->input = CCP2_INPUT_NONE; - } - break; - - case CCP2_PAD_SINK | MEDIA_ENT_T_V4L2_SUBDEV: - /* read from sensor/phy */ - if (flags & MEDIA_LNK_FL_ENABLED) { - if (ccp2->input == CCP2_INPUT_MEMORY) - return -EBUSY; - ccp2->input = CCP2_INPUT_SENSOR; - } else { - if (ccp2->input == CCP2_INPUT_SENSOR) - ccp2->input = CCP2_INPUT_NONE; - } break; - - case CCP2_PAD_SOURCE | MEDIA_ENT_T_V4L2_SUBDEV: - /* write to video port/ccdc */ - if (flags & MEDIA_LNK_FL_ENABLED) - ccp2->output = CCP2_OUTPUT_CCDC; - else - ccp2->output = CCP2_OUTPUT_NONE; - break; - - default: - return -EINVAL; - } - - return 0; -} - -/* media operations */ -static const struct media_entity_operations ccp2_media_ops = { - .link_setup = ccp2_link_setup, - .link_validate = v4l2_subdev_link_validate, -}; - -/* - * omap3isp_ccp2_unregister_entities - Unregister media entities: subdev - * @ccp2: Pointer to ISP CCP2 device - */ -void omap3isp_ccp2_unregister_entities(struct isp_ccp2_device *ccp2) -{ - v4l2_device_unregister_subdev(&ccp2->subdev); - omap3isp_video_unregister(&ccp2->video_in); -} - -/* - * omap3isp_ccp2_register_entities - Register the subdev media entity - * @ccp2: Pointer to ISP CCP2 device - * @vdev: Pointer to v4l device - * return negative error code or zero on success - */ - -int omap3isp_ccp2_register_entities(struct isp_ccp2_device *ccp2, - struct v4l2_device *vdev) -{ - int ret; - - /* Register the subdev and video nodes. */ - ret = v4l2_device_register_subdev(vdev, &ccp2->subdev); - if (ret < 0) - goto error; - - ret = omap3isp_video_register(&ccp2->video_in, vdev); - if (ret < 0) - goto error; - - return 0; - -error: - omap3isp_ccp2_unregister_entities(ccp2); - return ret; -} - -/* ----------------------------------------------------------------------------- - * ISP ccp2 initialisation and cleanup - */ - -/* - * ccp2_init_entities - Initialize ccp2 subdev and media entity. - * @ccp2: Pointer to ISP CCP2 device - * return negative error code or zero on success - */ -static int ccp2_init_entities(struct isp_ccp2_device *ccp2) -{ - struct v4l2_subdev *sd = &ccp2->subdev; - struct media_pad *pads = ccp2->pads; - struct media_entity *me = &sd->entity; - int ret; - - ccp2->input = CCP2_INPUT_NONE; - ccp2->output = CCP2_OUTPUT_NONE; - - v4l2_subdev_init(sd, &ccp2_sd_ops); - sd->internal_ops = &ccp2_sd_internal_ops; - strlcpy(sd->name, "OMAP3 ISP CCP2", sizeof(sd->name)); - sd->grp_id = 1 << 16; /* group ID for isp subdevs */ - v4l2_set_subdevdata(sd, ccp2); - sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - - pads[CCP2_PAD_SINK].flags = MEDIA_PAD_FL_SINK; - pads[CCP2_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; - - me->ops = &ccp2_media_ops; - ret = media_entity_init(me, CCP2_PADS_NUM, pads, 0); - if (ret < 0) - return ret; - - ccp2_init_formats(sd, NULL); - - /* - * The CCP2 has weird line alignment requirements, possibly caused by - * DPCM8 decompression. Line length for data read from memory must be a - * multiple of 128 bits (16 bytes) in continuous mode (when no padding - * is present at end of lines). Additionally, if padding is used, the - * padded line length must be a multiple of 32 bytes. To simplify the - * implementation we use a fixed 32 bytes alignment regardless of the - * input format and width. If strict 128 bits alignment support is - * required ispvideo will need to be made aware of this special dual - * alignement requirements. - */ - ccp2->video_in.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - ccp2->video_in.bpl_alignment = 32; - ccp2->video_in.bpl_max = 0xffffffe0; - ccp2->video_in.isp = to_isp_device(ccp2); - ccp2->video_in.ops = &ccp2_video_ops; - ccp2->video_in.capture_mem = PAGE_ALIGN(4096 * 4096) * 3; - - ret = omap3isp_video_init(&ccp2->video_in, "CCP2"); - if (ret < 0) - goto error_video; - - /* Connect the video node to the ccp2 subdev. */ - ret = media_entity_create_link(&ccp2->video_in.video.entity, 0, - &ccp2->subdev.entity, CCP2_PAD_SINK, 0); - if (ret < 0) - goto error_link; - - return 0; - -error_link: - omap3isp_video_cleanup(&ccp2->video_in); -error_video: - media_entity_cleanup(&ccp2->subdev.entity); - return ret; -} - -/* - * omap3isp_ccp2_init - CCP2 initialization. - * @isp : Pointer to ISP device - * return negative error code or zero on success - */ -int omap3isp_ccp2_init(struct isp_device *isp) -{ - struct isp_ccp2_device *ccp2 = &isp->isp_ccp2; - int ret; - - init_waitqueue_head(&ccp2->wait); - - /* - * On the OMAP34xx the CSI1 receiver is operated in the CSIb IO - * complex, which is powered by vdds_csib power rail. Hence the - * request for the regulator. - * - * On the OMAP36xx, the CCP2 uses the CSI PHY1 or PHY2, shared with - * the CSI2c or CSI2a receivers. The PHY then needs to be explicitly - * configured. - * - * TODO: Don't hardcode the usage of PHY1 (shared with CSI2c). - */ - if (isp->revision == ISP_REVISION_2_0) { - ccp2->vdds_csib = regulator_get(isp->dev, "vdds_csib"); - if (IS_ERR(ccp2->vdds_csib)) { - dev_dbg(isp->dev, - "Could not get regulator vdds_csib\n"); - ccp2->vdds_csib = NULL; - } - } else if (isp->revision == ISP_REVISION_15_0) { - ccp2->phy = &isp->isp_csiphy1; - } - - ret = ccp2_init_entities(ccp2); - if (ret < 0) { - regulator_put(ccp2->vdds_csib); - return ret; - } - - ccp2_reset(ccp2); - return 0; -} - -/* - * omap3isp_ccp2_cleanup - CCP2 un-initialization - * @isp : Pointer to ISP device - */ -void omap3isp_ccp2_cleanup(struct isp_device *isp) -{ - struct isp_ccp2_device *ccp2 = &isp->isp_ccp2; - - omap3isp_video_cleanup(&ccp2->video_in); - media_entity_cleanup(&ccp2->subdev.entity); - - regulator_put(ccp2->vdds_csib); -} diff --git a/drivers/media/video/omap3isp/ispccp2.h b/drivers/media/video/omap3isp/ispccp2.h deleted file mode 100644 index 76d65f4576ef..000000000000 --- a/drivers/media/video/omap3isp/ispccp2.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * ispccp2.h - * - * TI OMAP3 ISP - CCP2 module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2010 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef OMAP3_ISP_CCP2_H -#define OMAP3_ISP_CCP2_H - -#include <linux/videodev2.h> - -struct isp_device; -struct isp_csiphy; - -/* Sink and source ccp2 pads */ -#define CCP2_PAD_SINK 0 -#define CCP2_PAD_SOURCE 1 -#define CCP2_PADS_NUM 2 - -/* CCP2 input media entity */ -enum ccp2_input_entity { - CCP2_INPUT_NONE, - CCP2_INPUT_SENSOR, - CCP2_INPUT_MEMORY, -}; - -/* CCP2 output media entity */ -enum ccp2_output_entity { - CCP2_OUTPUT_NONE, - CCP2_OUTPUT_CCDC, - CCP2_OUTPUT_MEMORY, -}; - - -/* Logical channel configuration */ -struct isp_interface_lcx_config { - int crc; - u32 data_start; - u32 data_size; - u32 format; -}; - -/* Memory channel configuration */ -struct isp_interface_mem_config { - u32 dst_port; - u32 vsize_count; - u32 hsize_count; - u32 src_ofst; - u32 dst_ofst; -}; - -/* CCP2 device */ -struct isp_ccp2_device { - struct v4l2_subdev subdev; - struct v4l2_mbus_framefmt formats[CCP2_PADS_NUM]; - struct media_pad pads[CCP2_PADS_NUM]; - - enum ccp2_input_entity input; - enum ccp2_output_entity output; - struct isp_interface_lcx_config if_cfg; - struct isp_interface_mem_config mem_cfg; - struct isp_video video_in; - struct isp_csiphy *phy; - struct regulator *vdds_csib; - enum isp_pipeline_stream_state state; - wait_queue_head_t wait; - atomic_t stopping; -}; - -/* Function declarations */ -int omap3isp_ccp2_init(struct isp_device *isp); -void omap3isp_ccp2_cleanup(struct isp_device *isp); -int omap3isp_ccp2_register_entities(struct isp_ccp2_device *ccp2, - struct v4l2_device *vdev); -void omap3isp_ccp2_unregister_entities(struct isp_ccp2_device *ccp2); -void omap3isp_ccp2_isr(struct isp_ccp2_device *ccp2); - -#endif /* OMAP3_ISP_CCP2_H */ diff --git a/drivers/media/video/omap3isp/ispcsi2.c b/drivers/media/video/omap3isp/ispcsi2.c deleted file mode 100644 index 6a3ff792af7d..000000000000 --- a/drivers/media/video/omap3isp/ispcsi2.c +++ /dev/null @@ -1,1328 +0,0 @@ -/* - * ispcsi2.c - * - * TI OMAP3 ISP - CSI2 module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ -#include <linux/delay.h> -#include <media/v4l2-common.h> -#include <linux/v4l2-mediabus.h> -#include <linux/mm.h> - -#include "isp.h" -#include "ispreg.h" -#include "ispcsi2.h" - -/* - * csi2_if_enable - Enable CSI2 Receiver interface. - * @enable: enable flag - * - */ -static void csi2_if_enable(struct isp_device *isp, - struct isp_csi2_device *csi2, u8 enable) -{ - struct isp_csi2_ctrl_cfg *currctrl = &csi2->ctrl; - - isp_reg_clr_set(isp, csi2->regs1, ISPCSI2_CTRL, ISPCSI2_CTRL_IF_EN, - enable ? ISPCSI2_CTRL_IF_EN : 0); - - currctrl->if_enable = enable; -} - -/* - * csi2_recv_config - CSI2 receiver module configuration. - * @currctrl: isp_csi2_ctrl_cfg structure - * - */ -static void csi2_recv_config(struct isp_device *isp, - struct isp_csi2_device *csi2, - struct isp_csi2_ctrl_cfg *currctrl) -{ - u32 reg; - - reg = isp_reg_readl(isp, csi2->regs1, ISPCSI2_CTRL); - - if (currctrl->frame_mode) - reg |= ISPCSI2_CTRL_FRAME; - else - reg &= ~ISPCSI2_CTRL_FRAME; - - if (currctrl->vp_clk_enable) - reg |= ISPCSI2_CTRL_VP_CLK_EN; - else - reg &= ~ISPCSI2_CTRL_VP_CLK_EN; - - if (currctrl->vp_only_enable) - reg |= ISPCSI2_CTRL_VP_ONLY_EN; - else - reg &= ~ISPCSI2_CTRL_VP_ONLY_EN; - - reg &= ~ISPCSI2_CTRL_VP_OUT_CTRL_MASK; - reg |= currctrl->vp_out_ctrl << ISPCSI2_CTRL_VP_OUT_CTRL_SHIFT; - - if (currctrl->ecc_enable) - reg |= ISPCSI2_CTRL_ECC_EN; - else - reg &= ~ISPCSI2_CTRL_ECC_EN; - - isp_reg_writel(isp, reg, csi2->regs1, ISPCSI2_CTRL); -} - -static const unsigned int csi2_input_fmts[] = { - V4L2_MBUS_FMT_SGRBG10_1X10, - V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8, - V4L2_MBUS_FMT_SRGGB10_1X10, - V4L2_MBUS_FMT_SRGGB10_DPCM8_1X8, - V4L2_MBUS_FMT_SBGGR10_1X10, - V4L2_MBUS_FMT_SBGGR10_DPCM8_1X8, - V4L2_MBUS_FMT_SGBRG10_1X10, - V4L2_MBUS_FMT_SGBRG10_DPCM8_1X8, - V4L2_MBUS_FMT_YUYV8_2X8, -}; - -/* To set the format on the CSI2 requires a mapping function that takes - * the following inputs: - * - 3 different formats (at this time) - * - 2 destinations (mem, vp+mem) (vp only handled separately) - * - 2 decompression options (on, off) - * - 2 isp revisions (certain format must be handled differently on OMAP3630) - * Output should be CSI2 frame format code - * Array indices as follows: [format][dest][decompr][is_3630] - * Not all combinations are valid. 0 means invalid. - */ -static const u16 __csi2_fmt_map[3][2][2][2] = { - /* RAW10 formats */ - { - /* Output to memory */ - { - /* No DPCM decompression */ - { CSI2_PIX_FMT_RAW10_EXP16, CSI2_PIX_FMT_RAW10_EXP16 }, - /* DPCM decompression */ - { 0, 0 }, - }, - /* Output to both */ - { - /* No DPCM decompression */ - { CSI2_PIX_FMT_RAW10_EXP16_VP, - CSI2_PIX_FMT_RAW10_EXP16_VP }, - /* DPCM decompression */ - { 0, 0 }, - }, - }, - /* RAW10 DPCM8 formats */ - { - /* Output to memory */ - { - /* No DPCM decompression */ - { CSI2_PIX_FMT_RAW8, CSI2_USERDEF_8BIT_DATA1 }, - /* DPCM decompression */ - { CSI2_PIX_FMT_RAW8_DPCM10_EXP16, - CSI2_USERDEF_8BIT_DATA1_DPCM10 }, - }, - /* Output to both */ - { - /* No DPCM decompression */ - { CSI2_PIX_FMT_RAW8_VP, - CSI2_PIX_FMT_RAW8_VP }, - /* DPCM decompression */ - { CSI2_PIX_FMT_RAW8_DPCM10_VP, - CSI2_USERDEF_8BIT_DATA1_DPCM10_VP }, - }, - }, - /* YUYV8 2X8 formats */ - { - /* Output to memory */ - { - /* No DPCM decompression */ - { CSI2_PIX_FMT_YUV422_8BIT, - CSI2_PIX_FMT_YUV422_8BIT }, - /* DPCM decompression */ - { 0, 0 }, - }, - /* Output to both */ - { - /* No DPCM decompression */ - { CSI2_PIX_FMT_YUV422_8BIT_VP, - CSI2_PIX_FMT_YUV422_8BIT_VP }, - /* DPCM decompression */ - { 0, 0 }, - }, - }, -}; - -/* - * csi2_ctx_map_format - Map CSI2 sink media bus format to CSI2 format ID - * @csi2: ISP CSI2 device - * - * Returns CSI2 physical format id - */ -static u16 csi2_ctx_map_format(struct isp_csi2_device *csi2) -{ - const struct v4l2_mbus_framefmt *fmt = &csi2->formats[CSI2_PAD_SINK]; - int fmtidx, destidx, is_3630; - - switch (fmt->code) { - case V4L2_MBUS_FMT_SGRBG10_1X10: - case V4L2_MBUS_FMT_SRGGB10_1X10: - case V4L2_MBUS_FMT_SBGGR10_1X10: - case V4L2_MBUS_FMT_SGBRG10_1X10: - fmtidx = 0; - break; - case V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8: - case V4L2_MBUS_FMT_SRGGB10_DPCM8_1X8: - case V4L2_MBUS_FMT_SBGGR10_DPCM8_1X8: - case V4L2_MBUS_FMT_SGBRG10_DPCM8_1X8: - fmtidx = 1; - break; - case V4L2_MBUS_FMT_YUYV8_2X8: - fmtidx = 2; - break; - default: - WARN(1, KERN_ERR "CSI2: pixel format %08x unsupported!\n", - fmt->code); - return 0; - } - - if (!(csi2->output & CSI2_OUTPUT_CCDC) && - !(csi2->output & CSI2_OUTPUT_MEMORY)) { - /* Neither output enabled is a valid combination */ - return CSI2_PIX_FMT_OTHERS; - } - - /* If we need to skip frames at the beginning of the stream disable the - * video port to avoid sending the skipped frames to the CCDC. - */ - destidx = csi2->frame_skip ? 0 : !!(csi2->output & CSI2_OUTPUT_CCDC); - is_3630 = csi2->isp->revision == ISP_REVISION_15_0; - - return __csi2_fmt_map[fmtidx][destidx][csi2->dpcm_decompress][is_3630]; -} - -/* - * csi2_set_outaddr - Set memory address to save output image - * @csi2: Pointer to ISP CSI2a device. - * @addr: ISP MMU Mapped 32-bit memory address aligned on 32 byte boundary. - * - * Sets the memory address where the output will be saved. - * - * Returns 0 if successful, or -EINVAL if the address is not in the 32 byte - * boundary. - */ -static void csi2_set_outaddr(struct isp_csi2_device *csi2, u32 addr) -{ - struct isp_device *isp = csi2->isp; - struct isp_csi2_ctx_cfg *ctx = &csi2->contexts[0]; - - ctx->ping_addr = addr; - ctx->pong_addr = addr; - isp_reg_writel(isp, ctx->ping_addr, - csi2->regs1, ISPCSI2_CTX_DAT_PING_ADDR(ctx->ctxnum)); - isp_reg_writel(isp, ctx->pong_addr, - csi2->regs1, ISPCSI2_CTX_DAT_PONG_ADDR(ctx->ctxnum)); -} - -/* - * is_usr_def_mapping - Checks whether USER_DEF_MAPPING should - * be enabled by CSI2. - * @format_id: mapped format id - * - */ -static inline int is_usr_def_mapping(u32 format_id) -{ - return (format_id & 0x40) ? 1 : 0; -} - -/* - * csi2_ctx_enable - Enable specified CSI2 context - * @ctxnum: Context number, valid between 0 and 7 values. - * @enable: enable - * - */ -static void csi2_ctx_enable(struct isp_device *isp, - struct isp_csi2_device *csi2, u8 ctxnum, u8 enable) -{ - struct isp_csi2_ctx_cfg *ctx = &csi2->contexts[ctxnum]; - unsigned int skip = 0; - u32 reg; - - reg = isp_reg_readl(isp, csi2->regs1, ISPCSI2_CTX_CTRL1(ctxnum)); - - if (enable) { - if (csi2->frame_skip) - skip = csi2->frame_skip; - else if (csi2->output & CSI2_OUTPUT_MEMORY) - skip = 1; - - reg &= ~ISPCSI2_CTX_CTRL1_COUNT_MASK; - reg |= ISPCSI2_CTX_CTRL1_COUNT_UNLOCK - | (skip << ISPCSI2_CTX_CTRL1_COUNT_SHIFT) - | ISPCSI2_CTX_CTRL1_CTX_EN; - } else { - reg &= ~ISPCSI2_CTX_CTRL1_CTX_EN; - } - - isp_reg_writel(isp, reg, csi2->regs1, ISPCSI2_CTX_CTRL1(ctxnum)); - ctx->enabled = enable; -} - -/* - * csi2_ctx_config - CSI2 context configuration. - * @ctx: context configuration - * - */ -static void csi2_ctx_config(struct isp_device *isp, - struct isp_csi2_device *csi2, - struct isp_csi2_ctx_cfg *ctx) -{ - u32 reg; - - /* Set up CSI2_CTx_CTRL1 */ - reg = isp_reg_readl(isp, csi2->regs1, ISPCSI2_CTX_CTRL1(ctx->ctxnum)); - - if (ctx->eof_enabled) - reg |= ISPCSI2_CTX_CTRL1_EOF_EN; - else - reg &= ~ISPCSI2_CTX_CTRL1_EOF_EN; - - if (ctx->eol_enabled) - reg |= ISPCSI2_CTX_CTRL1_EOL_EN; - else - reg &= ~ISPCSI2_CTX_CTRL1_EOL_EN; - - if (ctx->checksum_enabled) - reg |= ISPCSI2_CTX_CTRL1_CS_EN; - else - reg &= ~ISPCSI2_CTX_CTRL1_CS_EN; - - isp_reg_writel(isp, reg, csi2->regs1, ISPCSI2_CTX_CTRL1(ctx->ctxnum)); - - /* Set up CSI2_CTx_CTRL2 */ - reg = isp_reg_readl(isp, csi2->regs1, ISPCSI2_CTX_CTRL2(ctx->ctxnum)); - - reg &= ~(ISPCSI2_CTX_CTRL2_VIRTUAL_ID_MASK); - reg |= ctx->virtual_id << ISPCSI2_CTX_CTRL2_VIRTUAL_ID_SHIFT; - - reg &= ~(ISPCSI2_CTX_CTRL2_FORMAT_MASK); - reg |= ctx->format_id << ISPCSI2_CTX_CTRL2_FORMAT_SHIFT; - - if (ctx->dpcm_decompress) { - if (ctx->dpcm_predictor) - reg |= ISPCSI2_CTX_CTRL2_DPCM_PRED; - else - reg &= ~ISPCSI2_CTX_CTRL2_DPCM_PRED; - } - - if (is_usr_def_mapping(ctx->format_id)) { - reg &= ~ISPCSI2_CTX_CTRL2_USER_DEF_MAP_MASK; - reg |= 2 << ISPCSI2_CTX_CTRL2_USER_DEF_MAP_SHIFT; - } - - isp_reg_writel(isp, reg, csi2->regs1, ISPCSI2_CTX_CTRL2(ctx->ctxnum)); - - /* Set up CSI2_CTx_CTRL3 */ - reg = isp_reg_readl(isp, csi2->regs1, ISPCSI2_CTX_CTRL3(ctx->ctxnum)); - reg &= ~(ISPCSI2_CTX_CTRL3_ALPHA_MASK); - reg |= (ctx->alpha << ISPCSI2_CTX_CTRL3_ALPHA_SHIFT); - - isp_reg_writel(isp, reg, csi2->regs1, ISPCSI2_CTX_CTRL3(ctx->ctxnum)); - - /* Set up CSI2_CTx_DAT_OFST */ - reg = isp_reg_readl(isp, csi2->regs1, - ISPCSI2_CTX_DAT_OFST(ctx->ctxnum)); - reg &= ~ISPCSI2_CTX_DAT_OFST_OFST_MASK; - reg |= ctx->data_offset << ISPCSI2_CTX_DAT_OFST_OFST_SHIFT; - isp_reg_writel(isp, reg, csi2->regs1, - ISPCSI2_CTX_DAT_OFST(ctx->ctxnum)); - - isp_reg_writel(isp, ctx->ping_addr, - csi2->regs1, ISPCSI2_CTX_DAT_PING_ADDR(ctx->ctxnum)); - - isp_reg_writel(isp, ctx->pong_addr, - csi2->regs1, ISPCSI2_CTX_DAT_PONG_ADDR(ctx->ctxnum)); -} - -/* - * csi2_timing_config - CSI2 timing configuration. - * @timing: csi2_timing_cfg structure - */ -static void csi2_timing_config(struct isp_device *isp, - struct isp_csi2_device *csi2, - struct isp_csi2_timing_cfg *timing) -{ - u32 reg; - - reg = isp_reg_readl(isp, csi2->regs1, ISPCSI2_TIMING); - - if (timing->force_rx_mode) - reg |= ISPCSI2_TIMING_FORCE_RX_MODE_IO(timing->ionum); - else - reg &= ~ISPCSI2_TIMING_FORCE_RX_MODE_IO(timing->ionum); - - if (timing->stop_state_16x) - reg |= ISPCSI2_TIMING_STOP_STATE_X16_IO(timing->ionum); - else - reg &= ~ISPCSI2_TIMING_STOP_STATE_X16_IO(timing->ionum); - - if (timing->stop_state_4x) - reg |= ISPCSI2_TIMING_STOP_STATE_X4_IO(timing->ionum); - else - reg &= ~ISPCSI2_TIMING_STOP_STATE_X4_IO(timing->ionum); - - reg &= ~ISPCSI2_TIMING_STOP_STATE_COUNTER_IO_MASK(timing->ionum); - reg |= timing->stop_state_counter << - ISPCSI2_TIMING_STOP_STATE_COUNTER_IO_SHIFT(timing->ionum); - - isp_reg_writel(isp, reg, csi2->regs1, ISPCSI2_TIMING); -} - -/* - * csi2_irq_ctx_set - Enables CSI2 Context IRQs. - * @enable: Enable/disable CSI2 Context interrupts - */ -static void csi2_irq_ctx_set(struct isp_device *isp, - struct isp_csi2_device *csi2, int enable) -{ - int i; - - for (i = 0; i < 8; i++) { - isp_reg_writel(isp, ISPCSI2_CTX_IRQSTATUS_FE_IRQ, csi2->regs1, - ISPCSI2_CTX_IRQSTATUS(i)); - if (enable) - isp_reg_set(isp, csi2->regs1, ISPCSI2_CTX_IRQENABLE(i), - ISPCSI2_CTX_IRQSTATUS_FE_IRQ); - else - isp_reg_clr(isp, csi2->regs1, ISPCSI2_CTX_IRQENABLE(i), - ISPCSI2_CTX_IRQSTATUS_FE_IRQ); - } -} - -/* - * csi2_irq_complexio1_set - Enables CSI2 ComplexIO IRQs. - * @enable: Enable/disable CSI2 ComplexIO #1 interrupts - */ -static void csi2_irq_complexio1_set(struct isp_device *isp, - struct isp_csi2_device *csi2, int enable) -{ - u32 reg; - reg = ISPCSI2_PHY_IRQENABLE_STATEALLULPMEXIT | - ISPCSI2_PHY_IRQENABLE_STATEALLULPMENTER | - ISPCSI2_PHY_IRQENABLE_STATEULPM5 | - ISPCSI2_PHY_IRQENABLE_ERRCONTROL5 | - ISPCSI2_PHY_IRQENABLE_ERRESC5 | - ISPCSI2_PHY_IRQENABLE_ERRSOTSYNCHS5 | - ISPCSI2_PHY_IRQENABLE_ERRSOTHS5 | - ISPCSI2_PHY_IRQENABLE_STATEULPM4 | - ISPCSI2_PHY_IRQENABLE_ERRCONTROL4 | - ISPCSI2_PHY_IRQENABLE_ERRESC4 | - ISPCSI2_PHY_IRQENABLE_ERRSOTSYNCHS4 | - ISPCSI2_PHY_IRQENABLE_ERRSOTHS4 | - ISPCSI2_PHY_IRQENABLE_STATEULPM3 | - ISPCSI2_PHY_IRQENABLE_ERRCONTROL3 | - ISPCSI2_PHY_IRQENABLE_ERRESC3 | - ISPCSI2_PHY_IRQENABLE_ERRSOTSYNCHS3 | - ISPCSI2_PHY_IRQENABLE_ERRSOTHS3 | - ISPCSI2_PHY_IRQENABLE_STATEULPM2 | - ISPCSI2_PHY_IRQENABLE_ERRCONTROL2 | - ISPCSI2_PHY_IRQENABLE_ERRESC2 | - ISPCSI2_PHY_IRQENABLE_ERRSOTSYNCHS2 | - ISPCSI2_PHY_IRQENABLE_ERRSOTHS2 | - ISPCSI2_PHY_IRQENABLE_STATEULPM1 | - ISPCSI2_PHY_IRQENABLE_ERRCONTROL1 | - ISPCSI2_PHY_IRQENABLE_ERRESC1 | - ISPCSI2_PHY_IRQENABLE_ERRSOTSYNCHS1 | - ISPCSI2_PHY_IRQENABLE_ERRSOTHS1; - isp_reg_writel(isp, reg, csi2->regs1, ISPCSI2_PHY_IRQSTATUS); - if (enable) - reg |= isp_reg_readl(isp, csi2->regs1, ISPCSI2_PHY_IRQENABLE); - else - reg = 0; - isp_reg_writel(isp, reg, csi2->regs1, ISPCSI2_PHY_IRQENABLE); -} - -/* - * csi2_irq_status_set - Enables CSI2 Status IRQs. - * @enable: Enable/disable CSI2 Status interrupts - */ -static void csi2_irq_status_set(struct isp_device *isp, - struct isp_csi2_device *csi2, int enable) -{ - u32 reg; - reg = ISPCSI2_IRQSTATUS_OCP_ERR_IRQ | - ISPCSI2_IRQSTATUS_SHORT_PACKET_IRQ | - ISPCSI2_IRQSTATUS_ECC_CORRECTION_IRQ | - ISPCSI2_IRQSTATUS_ECC_NO_CORRECTION_IRQ | - ISPCSI2_IRQSTATUS_COMPLEXIO2_ERR_IRQ | - ISPCSI2_IRQSTATUS_COMPLEXIO1_ERR_IRQ | - ISPCSI2_IRQSTATUS_FIFO_OVF_IRQ | - ISPCSI2_IRQSTATUS_CONTEXT(0); - isp_reg_writel(isp, reg, csi2->regs1, ISPCSI2_IRQSTATUS); - if (enable) - reg |= isp_reg_readl(isp, csi2->regs1, ISPCSI2_IRQENABLE); - else - reg = 0; - - isp_reg_writel(isp, reg, csi2->regs1, ISPCSI2_IRQENABLE); -} - -/* - * omap3isp_csi2_reset - Resets the CSI2 module. - * - * Must be called with the phy lock held. - * - * Returns 0 if successful, or -EBUSY if power command didn't respond. - */ -int omap3isp_csi2_reset(struct isp_csi2_device *csi2) -{ - struct isp_device *isp = csi2->isp; - u8 soft_reset_retries = 0; - u32 reg; - int i; - - if (!csi2->available) - return -ENODEV; - - if (csi2->phy->phy_in_use) - return -EBUSY; - - isp_reg_set(isp, csi2->regs1, ISPCSI2_SYSCONFIG, - ISPCSI2_SYSCONFIG_SOFT_RESET); - - do { - reg = isp_reg_readl(isp, csi2->regs1, ISPCSI2_SYSSTATUS) & - ISPCSI2_SYSSTATUS_RESET_DONE; - if (reg == ISPCSI2_SYSSTATUS_RESET_DONE) - break; - soft_reset_retries++; - if (soft_reset_retries < 5) - udelay(100); - } while (soft_reset_retries < 5); - - if (soft_reset_retries == 5) { - printk(KERN_ERR "CSI2: Soft reset try count exceeded!\n"); - return -EBUSY; - } - - if (isp->revision == ISP_REVISION_15_0) - isp_reg_set(isp, csi2->regs1, ISPCSI2_PHY_CFG, - ISPCSI2_PHY_CFG_RESET_CTRL); - - i = 100; - do { - reg = isp_reg_readl(isp, csi2->phy->phy_regs, ISPCSIPHY_REG1) - & ISPCSIPHY_REG1_RESET_DONE_CTRLCLK; - if (reg == ISPCSIPHY_REG1_RESET_DONE_CTRLCLK) - break; - udelay(100); - } while (--i > 0); - - if (i == 0) { - printk(KERN_ERR - "CSI2: Reset for CSI2_96M_FCLK domain Failed!\n"); - return -EBUSY; - } - - if (isp->autoidle) - isp_reg_clr_set(isp, csi2->regs1, ISPCSI2_SYSCONFIG, - ISPCSI2_SYSCONFIG_MSTANDBY_MODE_MASK | - ISPCSI2_SYSCONFIG_AUTO_IDLE, - ISPCSI2_SYSCONFIG_MSTANDBY_MODE_SMART | - ((isp->revision == ISP_REVISION_15_0) ? - ISPCSI2_SYSCONFIG_AUTO_IDLE : 0)); - else - isp_reg_clr_set(isp, csi2->regs1, ISPCSI2_SYSCONFIG, - ISPCSI2_SYSCONFIG_MSTANDBY_MODE_MASK | - ISPCSI2_SYSCONFIG_AUTO_IDLE, - ISPCSI2_SYSCONFIG_MSTANDBY_MODE_NO); - - return 0; -} - -static int csi2_configure(struct isp_csi2_device *csi2) -{ - const struct isp_v4l2_subdevs_group *pdata; - struct isp_device *isp = csi2->isp; - struct isp_csi2_timing_cfg *timing = &csi2->timing[0]; - struct v4l2_subdev *sensor; - struct media_pad *pad; - - /* - * CSI2 fields that can be updated while the context has - * been enabled or the interface has been enabled are not - * updated dynamically currently. So we do not allow to - * reconfigure if either has been enabled - */ - if (csi2->contexts[0].enabled || csi2->ctrl.if_enable) - return -EBUSY; - - pad = media_entity_remote_source(&csi2->pads[CSI2_PAD_SINK]); - sensor = media_entity_to_v4l2_subdev(pad->entity); - pdata = sensor->host_priv; - - csi2->frame_skip = 0; - v4l2_subdev_call(sensor, sensor, g_skip_frames, &csi2->frame_skip); - - csi2->ctrl.vp_out_ctrl = pdata->bus.csi2.vpclk_div; - csi2->ctrl.frame_mode = ISP_CSI2_FRAME_IMMEDIATE; - csi2->ctrl.ecc_enable = pdata->bus.csi2.crc; - - timing->ionum = 1; - timing->force_rx_mode = 1; - timing->stop_state_16x = 1; - timing->stop_state_4x = 1; - timing->stop_state_counter = 0x1FF; - - /* - * The CSI2 receiver can't do any format conversion except DPCM - * decompression, so every set_format call configures both pads - * and enables DPCM decompression as a special case: - */ - if (csi2->formats[CSI2_PAD_SINK].code != - csi2->formats[CSI2_PAD_SOURCE].code) - csi2->dpcm_decompress = true; - else - csi2->dpcm_decompress = false; - - csi2->contexts[0].format_id = csi2_ctx_map_format(csi2); - - if (csi2->video_out.bpl_padding == 0) - csi2->contexts[0].data_offset = 0; - else - csi2->contexts[0].data_offset = csi2->video_out.bpl_value; - - /* - * Enable end of frame and end of line signals generation for - * context 0. These signals are generated from CSI2 receiver to - * qualify the last pixel of a frame and the last pixel of a line. - * Without enabling the signals CSI2 receiver writes data to memory - * beyond buffer size and/or data line offset is not handled correctly. - */ - csi2->contexts[0].eof_enabled = 1; - csi2->contexts[0].eol_enabled = 1; - - csi2_irq_complexio1_set(isp, csi2, 1); - csi2_irq_ctx_set(isp, csi2, 1); - csi2_irq_status_set(isp, csi2, 1); - - /* Set configuration (timings, format and links) */ - csi2_timing_config(isp, csi2, timing); - csi2_recv_config(isp, csi2, &csi2->ctrl); - csi2_ctx_config(isp, csi2, &csi2->contexts[0]); - - return 0; -} - -/* - * csi2_print_status - Prints CSI2 debug information. - */ -#define CSI2_PRINT_REGISTER(isp, regs, name)\ - dev_dbg(isp->dev, "###CSI2 " #name "=0x%08x\n", \ - isp_reg_readl(isp, regs, ISPCSI2_##name)) - -static void csi2_print_status(struct isp_csi2_device *csi2) -{ - struct isp_device *isp = csi2->isp; - - if (!csi2->available) - return; - - dev_dbg(isp->dev, "-------------CSI2 Register dump-------------\n"); - - CSI2_PRINT_REGISTER(isp, csi2->regs1, SYSCONFIG); - CSI2_PRINT_REGISTER(isp, csi2->regs1, SYSSTATUS); - CSI2_PRINT_REGISTER(isp, csi2->regs1, IRQENABLE); - CSI2_PRINT_REGISTER(isp, csi2->regs1, IRQSTATUS); - CSI2_PRINT_REGISTER(isp, csi2->regs1, CTRL); - CSI2_PRINT_REGISTER(isp, csi2->regs1, DBG_H); - CSI2_PRINT_REGISTER(isp, csi2->regs1, GNQ); - CSI2_PRINT_REGISTER(isp, csi2->regs1, PHY_CFG); - CSI2_PRINT_REGISTER(isp, csi2->regs1, PHY_IRQSTATUS); - CSI2_PRINT_REGISTER(isp, csi2->regs1, SHORT_PACKET); - CSI2_PRINT_REGISTER(isp, csi2->regs1, PHY_IRQENABLE); - CSI2_PRINT_REGISTER(isp, csi2->regs1, DBG_P); - CSI2_PRINT_REGISTER(isp, csi2->regs1, TIMING); - CSI2_PRINT_REGISTER(isp, csi2->regs1, CTX_CTRL1(0)); - CSI2_PRINT_REGISTER(isp, csi2->regs1, CTX_CTRL2(0)); - CSI2_PRINT_REGISTER(isp, csi2->regs1, CTX_DAT_OFST(0)); - CSI2_PRINT_REGISTER(isp, csi2->regs1, CTX_DAT_PING_ADDR(0)); - CSI2_PRINT_REGISTER(isp, csi2->regs1, CTX_DAT_PONG_ADDR(0)); - CSI2_PRINT_REGISTER(isp, csi2->regs1, CTX_IRQENABLE(0)); - CSI2_PRINT_REGISTER(isp, csi2->regs1, CTX_IRQSTATUS(0)); - CSI2_PRINT_REGISTER(isp, csi2->regs1, CTX_CTRL3(0)); - - dev_dbg(isp->dev, "--------------------------------------------\n"); -} - -/* ----------------------------------------------------------------------------- - * Interrupt handling - */ - -/* - * csi2_isr_buffer - Does buffer handling at end-of-frame - * when writing to memory. - */ -static void csi2_isr_buffer(struct isp_csi2_device *csi2) -{ - struct isp_device *isp = csi2->isp; - struct isp_buffer *buffer; - - csi2_ctx_enable(isp, csi2, 0, 0); - - buffer = omap3isp_video_buffer_next(&csi2->video_out); - - /* - * Let video queue operation restart engine if there is an underrun - * condition. - */ - if (buffer == NULL) - return; - - csi2_set_outaddr(csi2, buffer->isp_addr); - csi2_ctx_enable(isp, csi2, 0, 1); -} - -static void csi2_isr_ctx(struct isp_csi2_device *csi2, - struct isp_csi2_ctx_cfg *ctx) -{ - struct isp_device *isp = csi2->isp; - unsigned int n = ctx->ctxnum; - u32 status; - - status = isp_reg_readl(isp, csi2->regs1, ISPCSI2_CTX_IRQSTATUS(n)); - isp_reg_writel(isp, status, csi2->regs1, ISPCSI2_CTX_IRQSTATUS(n)); - - if (!(status & ISPCSI2_CTX_IRQSTATUS_FE_IRQ)) - return; - - /* Skip interrupts until we reach the frame skip count. The CSI2 will be - * automatically disabled, as the frame skip count has been programmed - * in the CSI2_CTx_CTRL1::COUNT field, so reenable it. - * - * It would have been nice to rely on the FRAME_NUMBER interrupt instead - * but it turned out that the interrupt is only generated when the CSI2 - * writes to memory (the CSI2_CTx_CTRL1::COUNT field is decreased - * correctly and reaches 0 when data is forwarded to the video port only - * but no interrupt arrives). Maybe a CSI2 hardware bug. - */ - if (csi2->frame_skip) { - csi2->frame_skip--; - if (csi2->frame_skip == 0) { - ctx->format_id = csi2_ctx_map_format(csi2); - csi2_ctx_config(isp, csi2, ctx); - csi2_ctx_enable(isp, csi2, n, 1); - } - return; - } - - if (csi2->output & CSI2_OUTPUT_MEMORY) - csi2_isr_buffer(csi2); -} - -/* - * omap3isp_csi2_isr - CSI2 interrupt handling. - */ -void omap3isp_csi2_isr(struct isp_csi2_device *csi2) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&csi2->subdev.entity); - u32 csi2_irqstatus, cpxio1_irqstatus; - struct isp_device *isp = csi2->isp; - - if (!csi2->available) - return; - - csi2_irqstatus = isp_reg_readl(isp, csi2->regs1, ISPCSI2_IRQSTATUS); - isp_reg_writel(isp, csi2_irqstatus, csi2->regs1, ISPCSI2_IRQSTATUS); - - /* Failure Cases */ - if (csi2_irqstatus & ISPCSI2_IRQSTATUS_COMPLEXIO1_ERR_IRQ) { - cpxio1_irqstatus = isp_reg_readl(isp, csi2->regs1, - ISPCSI2_PHY_IRQSTATUS); - isp_reg_writel(isp, cpxio1_irqstatus, - csi2->regs1, ISPCSI2_PHY_IRQSTATUS); - dev_dbg(isp->dev, "CSI2: ComplexIO Error IRQ " - "%x\n", cpxio1_irqstatus); - pipe->error = true; - } - - if (csi2_irqstatus & (ISPCSI2_IRQSTATUS_OCP_ERR_IRQ | - ISPCSI2_IRQSTATUS_SHORT_PACKET_IRQ | - ISPCSI2_IRQSTATUS_ECC_NO_CORRECTION_IRQ | - ISPCSI2_IRQSTATUS_COMPLEXIO2_ERR_IRQ | - ISPCSI2_IRQSTATUS_FIFO_OVF_IRQ)) { - dev_dbg(isp->dev, "CSI2 Err:" - " OCP:%d," - " Short_pack:%d," - " ECC:%d," - " CPXIO2:%d," - " FIFO_OVF:%d," - "\n", - (csi2_irqstatus & - ISPCSI2_IRQSTATUS_OCP_ERR_IRQ) ? 1 : 0, - (csi2_irqstatus & - ISPCSI2_IRQSTATUS_SHORT_PACKET_IRQ) ? 1 : 0, - (csi2_irqstatus & - ISPCSI2_IRQSTATUS_ECC_NO_CORRECTION_IRQ) ? 1 : 0, - (csi2_irqstatus & - ISPCSI2_IRQSTATUS_COMPLEXIO2_ERR_IRQ) ? 1 : 0, - (csi2_irqstatus & - ISPCSI2_IRQSTATUS_FIFO_OVF_IRQ) ? 1 : 0); - pipe->error = true; - } - - if (omap3isp_module_sync_is_stopping(&csi2->wait, &csi2->stopping)) - return; - - /* Successful cases */ - if (csi2_irqstatus & ISPCSI2_IRQSTATUS_CONTEXT(0)) - csi2_isr_ctx(csi2, &csi2->contexts[0]); - - if (csi2_irqstatus & ISPCSI2_IRQSTATUS_ECC_CORRECTION_IRQ) - dev_dbg(isp->dev, "CSI2: ECC correction done\n"); -} - -/* ----------------------------------------------------------------------------- - * ISP video operations - */ - -/* - * csi2_queue - Queues the first buffer when using memory output - * @video: The video node - * @buffer: buffer to queue - */ -static int csi2_queue(struct isp_video *video, struct isp_buffer *buffer) -{ - struct isp_device *isp = video->isp; - struct isp_csi2_device *csi2 = &isp->isp_csi2a; - - csi2_set_outaddr(csi2, buffer->isp_addr); - - /* - * If streaming was enabled before there was a buffer queued - * or underrun happened in the ISR, the hardware was not enabled - * and DMA queue flag ISP_VIDEO_DMAQUEUE_UNDERRUN is still set. - * Enable it now. - */ - if (csi2->video_out.dmaqueue_flags & ISP_VIDEO_DMAQUEUE_UNDERRUN) { - /* Enable / disable context 0 and IRQs */ - csi2_if_enable(isp, csi2, 1); - csi2_ctx_enable(isp, csi2, 0, 1); - isp_video_dmaqueue_flags_clr(&csi2->video_out); - } - - return 0; -} - -static const struct isp_video_operations csi2_ispvideo_ops = { - .queue = csi2_queue, -}; - -/* ----------------------------------------------------------------------------- - * V4L2 subdev operations - */ - -static struct v4l2_mbus_framefmt * -__csi2_get_format(struct isp_csi2_device *csi2, struct v4l2_subdev_fh *fh, - unsigned int pad, enum v4l2_subdev_format_whence which) -{ - if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_get_try_format(fh, pad); - else - return &csi2->formats[pad]; -} - -static void -csi2_try_format(struct isp_csi2_device *csi2, struct v4l2_subdev_fh *fh, - unsigned int pad, struct v4l2_mbus_framefmt *fmt, - enum v4l2_subdev_format_whence which) -{ - enum v4l2_mbus_pixelcode pixelcode; - struct v4l2_mbus_framefmt *format; - const struct isp_format_info *info; - unsigned int i; - - switch (pad) { - case CSI2_PAD_SINK: - /* Clamp the width and height to valid range (1-8191). */ - for (i = 0; i < ARRAY_SIZE(csi2_input_fmts); i++) { - if (fmt->code == csi2_input_fmts[i]) - break; - } - - /* If not found, use SGRBG10 as default */ - if (i >= ARRAY_SIZE(csi2_input_fmts)) - fmt->code = V4L2_MBUS_FMT_SGRBG10_1X10; - - fmt->width = clamp_t(u32, fmt->width, 1, 8191); - fmt->height = clamp_t(u32, fmt->height, 1, 8191); - break; - - case CSI2_PAD_SOURCE: - /* Source format same as sink format, except for DPCM - * compression. - */ - pixelcode = fmt->code; - format = __csi2_get_format(csi2, fh, CSI2_PAD_SINK, which); - memcpy(fmt, format, sizeof(*fmt)); - - /* - * Only Allow DPCM decompression, and check that the - * pattern is preserved - */ - info = omap3isp_video_format_info(fmt->code); - if (info->uncompressed == pixelcode) - fmt->code = pixelcode; - break; - } - - /* RGB, non-interlaced */ - fmt->colorspace = V4L2_COLORSPACE_SRGB; - fmt->field = V4L2_FIELD_NONE; -} - -/* - * csi2_enum_mbus_code - Handle pixel format enumeration - * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @code : pointer to v4l2_subdev_mbus_code_enum structure - * return -EINVAL or zero on success - */ -static int csi2_enum_mbus_code(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_mbus_code_enum *code) -{ - struct isp_csi2_device *csi2 = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - const struct isp_format_info *info; - - if (code->pad == CSI2_PAD_SINK) { - if (code->index >= ARRAY_SIZE(csi2_input_fmts)) - return -EINVAL; - - code->code = csi2_input_fmts[code->index]; - } else { - format = __csi2_get_format(csi2, fh, CSI2_PAD_SINK, - V4L2_SUBDEV_FORMAT_TRY); - switch (code->index) { - case 0: - /* Passthrough sink pad code */ - code->code = format->code; - break; - case 1: - /* Uncompressed code */ - info = omap3isp_video_format_info(format->code); - if (info->uncompressed == format->code) - return -EINVAL; - - code->code = info->uncompressed; - break; - default: - return -EINVAL; - } - } - - return 0; -} - -static int csi2_enum_frame_size(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_frame_size_enum *fse) -{ - struct isp_csi2_device *csi2 = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt format; - - if (fse->index != 0) - return -EINVAL; - - format.code = fse->code; - format.width = 1; - format.height = 1; - csi2_try_format(csi2, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); - fse->min_width = format.width; - fse->min_height = format.height; - - if (format.code != fse->code) - return -EINVAL; - - format.code = fse->code; - format.width = -1; - format.height = -1; - csi2_try_format(csi2, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); - fse->max_width = format.width; - fse->max_height = format.height; - - return 0; -} - -/* - * csi2_get_format - Handle get format by pads subdev method - * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @fmt: pointer to v4l2 subdev format structure - * return -EINVAL or zero on success - */ -static int csi2_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_format *fmt) -{ - struct isp_csi2_device *csi2 = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - format = __csi2_get_format(csi2, fh, fmt->pad, fmt->which); - if (format == NULL) - return -EINVAL; - - fmt->format = *format; - return 0; -} - -/* - * csi2_set_format - Handle set format by pads subdev method - * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @fmt: pointer to v4l2 subdev format structure - * return -EINVAL or zero on success - */ -static int csi2_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_format *fmt) -{ - struct isp_csi2_device *csi2 = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - format = __csi2_get_format(csi2, fh, fmt->pad, fmt->which); - if (format == NULL) - return -EINVAL; - - csi2_try_format(csi2, fh, fmt->pad, &fmt->format, fmt->which); - *format = fmt->format; - - /* Propagate the format from sink to source */ - if (fmt->pad == CSI2_PAD_SINK) { - format = __csi2_get_format(csi2, fh, CSI2_PAD_SOURCE, - fmt->which); - *format = fmt->format; - csi2_try_format(csi2, fh, CSI2_PAD_SOURCE, format, fmt->which); - } - - return 0; -} - -/* - * csi2_init_formats - Initialize formats on all pads - * @sd: ISP CSI2 V4L2 subdevice - * @fh: V4L2 subdev file handle - * - * Initialize all pad formats with default values. If fh is not NULL, try - * formats are initialized on the file handle. Otherwise active formats are - * initialized on the device. - */ -static int csi2_init_formats(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) -{ - struct v4l2_subdev_format format; - - memset(&format, 0, sizeof(format)); - format.pad = CSI2_PAD_SINK; - format.which = fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; - format.format.code = V4L2_MBUS_FMT_SGRBG10_1X10; - format.format.width = 4096; - format.format.height = 4096; - csi2_set_format(sd, fh, &format); - - return 0; -} - -/* - * csi2_set_stream - Enable/Disable streaming on the CSI2 module - * @sd: ISP CSI2 V4L2 subdevice - * @enable: ISP pipeline stream state - * - * Return 0 on success or a negative error code otherwise. - */ -static int csi2_set_stream(struct v4l2_subdev *sd, int enable) -{ - struct isp_csi2_device *csi2 = v4l2_get_subdevdata(sd); - struct isp_device *isp = csi2->isp; - struct isp_video *video_out = &csi2->video_out; - - switch (enable) { - case ISP_PIPELINE_STREAM_CONTINUOUS: - if (omap3isp_csiphy_acquire(csi2->phy) < 0) - return -ENODEV; - if (csi2->output & CSI2_OUTPUT_MEMORY) - omap3isp_sbl_enable(isp, OMAP3_ISP_SBL_CSI2A_WRITE); - csi2_configure(csi2); - csi2_print_status(csi2); - - /* - * When outputting to memory with no buffer available, let the - * buffer queue handler start the hardware. A DMA queue flag - * ISP_VIDEO_DMAQUEUE_QUEUED will be set as soon as there is - * a buffer available. - */ - if (csi2->output & CSI2_OUTPUT_MEMORY && - !(video_out->dmaqueue_flags & ISP_VIDEO_DMAQUEUE_QUEUED)) - break; - /* Enable context 0 and IRQs */ - atomic_set(&csi2->stopping, 0); - csi2_ctx_enable(isp, csi2, 0, 1); - csi2_if_enable(isp, csi2, 1); - isp_video_dmaqueue_flags_clr(video_out); - break; - - case ISP_PIPELINE_STREAM_STOPPED: - if (csi2->state == ISP_PIPELINE_STREAM_STOPPED) - return 0; - if (omap3isp_module_sync_idle(&sd->entity, &csi2->wait, - &csi2->stopping)) - dev_dbg(isp->dev, "%s: module stop timeout.\n", - sd->name); - csi2_ctx_enable(isp, csi2, 0, 0); - csi2_if_enable(isp, csi2, 0); - csi2_irq_ctx_set(isp, csi2, 0); - omap3isp_csiphy_release(csi2->phy); - isp_video_dmaqueue_flags_clr(video_out); - omap3isp_sbl_disable(isp, OMAP3_ISP_SBL_CSI2A_WRITE); - break; - } - - csi2->state = enable; - return 0; -} - -/* subdev video operations */ -static const struct v4l2_subdev_video_ops csi2_video_ops = { - .s_stream = csi2_set_stream, -}; - -/* subdev pad operations */ -static const struct v4l2_subdev_pad_ops csi2_pad_ops = { - .enum_mbus_code = csi2_enum_mbus_code, - .enum_frame_size = csi2_enum_frame_size, - .get_fmt = csi2_get_format, - .set_fmt = csi2_set_format, -}; - -/* subdev operations */ -static const struct v4l2_subdev_ops csi2_ops = { - .video = &csi2_video_ops, - .pad = &csi2_pad_ops, -}; - -/* subdev internal operations */ -static const struct v4l2_subdev_internal_ops csi2_internal_ops = { - .open = csi2_init_formats, -}; - -/* ----------------------------------------------------------------------------- - * Media entity operations - */ - -/* - * csi2_link_setup - Setup CSI2 connections. - * @entity : Pointer to media entity structure - * @local : Pointer to local pad array - * @remote : Pointer to remote pad array - * @flags : Link flags - * return -EINVAL or zero on success - */ -static int csi2_link_setup(struct media_entity *entity, - const struct media_pad *local, - const struct media_pad *remote, u32 flags) -{ - struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); - struct isp_csi2_device *csi2 = v4l2_get_subdevdata(sd); - struct isp_csi2_ctrl_cfg *ctrl = &csi2->ctrl; - - /* - * The ISP core doesn't support pipelines with multiple video outputs. - * Revisit this when it will be implemented, and return -EBUSY for now. - */ - - switch (local->index | media_entity_type(remote->entity)) { - case CSI2_PAD_SOURCE | MEDIA_ENT_T_DEVNODE: - if (flags & MEDIA_LNK_FL_ENABLED) { - if (csi2->output & ~CSI2_OUTPUT_MEMORY) - return -EBUSY; - csi2->output |= CSI2_OUTPUT_MEMORY; - } else { - csi2->output &= ~CSI2_OUTPUT_MEMORY; - } - break; - - case CSI2_PAD_SOURCE | MEDIA_ENT_T_V4L2_SUBDEV: - if (flags & MEDIA_LNK_FL_ENABLED) { - if (csi2->output & ~CSI2_OUTPUT_CCDC) - return -EBUSY; - csi2->output |= CSI2_OUTPUT_CCDC; - } else { - csi2->output &= ~CSI2_OUTPUT_CCDC; - } - break; - - default: - /* Link from camera to CSI2 is fixed... */ - return -EINVAL; - } - - ctrl->vp_only_enable = - (csi2->output & CSI2_OUTPUT_MEMORY) ? false : true; - ctrl->vp_clk_enable = !!(csi2->output & CSI2_OUTPUT_CCDC); - - return 0; -} - -/* media operations */ -static const struct media_entity_operations csi2_media_ops = { - .link_setup = csi2_link_setup, - .link_validate = v4l2_subdev_link_validate, -}; - -void omap3isp_csi2_unregister_entities(struct isp_csi2_device *csi2) -{ - v4l2_device_unregister_subdev(&csi2->subdev); - omap3isp_video_unregister(&csi2->video_out); -} - -int omap3isp_csi2_register_entities(struct isp_csi2_device *csi2, - struct v4l2_device *vdev) -{ - int ret; - - /* Register the subdev and video nodes. */ - ret = v4l2_device_register_subdev(vdev, &csi2->subdev); - if (ret < 0) - goto error; - - ret = omap3isp_video_register(&csi2->video_out, vdev); - if (ret < 0) - goto error; - - return 0; - -error: - omap3isp_csi2_unregister_entities(csi2); - return ret; -} - -/* ----------------------------------------------------------------------------- - * ISP CSI2 initialisation and cleanup - */ - -/* - * csi2_init_entities - Initialize subdev and media entity. - * @csi2: Pointer to csi2 structure. - * return -ENOMEM or zero on success - */ -static int csi2_init_entities(struct isp_csi2_device *csi2) -{ - struct v4l2_subdev *sd = &csi2->subdev; - struct media_pad *pads = csi2->pads; - struct media_entity *me = &sd->entity; - int ret; - - v4l2_subdev_init(sd, &csi2_ops); - sd->internal_ops = &csi2_internal_ops; - strlcpy(sd->name, "OMAP3 ISP CSI2a", sizeof(sd->name)); - - sd->grp_id = 1 << 16; /* group ID for isp subdevs */ - v4l2_set_subdevdata(sd, csi2); - sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - - pads[CSI2_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; - pads[CSI2_PAD_SINK].flags = MEDIA_PAD_FL_SINK; - - me->ops = &csi2_media_ops; - ret = media_entity_init(me, CSI2_PADS_NUM, pads, 0); - if (ret < 0) - return ret; - - csi2_init_formats(sd, NULL); - - /* Video device node */ - csi2->video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - csi2->video_out.ops = &csi2_ispvideo_ops; - csi2->video_out.bpl_alignment = 32; - csi2->video_out.bpl_zero_padding = 1; - csi2->video_out.bpl_max = 0x1ffe0; - csi2->video_out.isp = csi2->isp; - csi2->video_out.capture_mem = PAGE_ALIGN(4096 * 4096) * 3; - - ret = omap3isp_video_init(&csi2->video_out, "CSI2a"); - if (ret < 0) - goto error_video; - - /* Connect the CSI2 subdev to the video node. */ - ret = media_entity_create_link(&csi2->subdev.entity, CSI2_PAD_SOURCE, - &csi2->video_out.video.entity, 0, 0); - if (ret < 0) - goto error_link; - - return 0; - -error_link: - omap3isp_video_cleanup(&csi2->video_out); -error_video: - media_entity_cleanup(&csi2->subdev.entity); - return ret; -} - -/* - * omap3isp_csi2_init - Routine for module driver init - */ -int omap3isp_csi2_init(struct isp_device *isp) -{ - struct isp_csi2_device *csi2a = &isp->isp_csi2a; - struct isp_csi2_device *csi2c = &isp->isp_csi2c; - int ret; - - csi2a->isp = isp; - csi2a->available = 1; - csi2a->regs1 = OMAP3_ISP_IOMEM_CSI2A_REGS1; - csi2a->regs2 = OMAP3_ISP_IOMEM_CSI2A_REGS2; - csi2a->phy = &isp->isp_csiphy2; - csi2a->state = ISP_PIPELINE_STREAM_STOPPED; - init_waitqueue_head(&csi2a->wait); - - ret = csi2_init_entities(csi2a); - if (ret < 0) - return ret; - - if (isp->revision == ISP_REVISION_15_0) { - csi2c->isp = isp; - csi2c->available = 1; - csi2c->regs1 = OMAP3_ISP_IOMEM_CSI2C_REGS1; - csi2c->regs2 = OMAP3_ISP_IOMEM_CSI2C_REGS2; - csi2c->phy = &isp->isp_csiphy1; - csi2c->state = ISP_PIPELINE_STREAM_STOPPED; - init_waitqueue_head(&csi2c->wait); - } - - return 0; -} - -/* - * omap3isp_csi2_cleanup - Routine for module driver cleanup - */ -void omap3isp_csi2_cleanup(struct isp_device *isp) -{ - struct isp_csi2_device *csi2a = &isp->isp_csi2a; - - omap3isp_video_cleanup(&csi2a->video_out); - media_entity_cleanup(&csi2a->subdev.entity); -} diff --git a/drivers/media/video/omap3isp/ispcsi2.h b/drivers/media/video/omap3isp/ispcsi2.h deleted file mode 100644 index c57729b7e86e..000000000000 --- a/drivers/media/video/omap3isp/ispcsi2.h +++ /dev/null @@ -1,165 +0,0 @@ -/* - * ispcsi2.h - * - * TI OMAP3 ISP - CSI2 module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef OMAP3_ISP_CSI2_H -#define OMAP3_ISP_CSI2_H - -#include <linux/types.h> -#include <linux/videodev2.h> - -struct isp_csiphy; - -/* This is not an exhaustive list */ -enum isp_csi2_pix_formats { - CSI2_PIX_FMT_OTHERS = 0, - CSI2_PIX_FMT_YUV422_8BIT = 0x1e, - CSI2_PIX_FMT_YUV422_8BIT_VP = 0x9e, - CSI2_PIX_FMT_RAW10_EXP16 = 0xab, - CSI2_PIX_FMT_RAW10_EXP16_VP = 0x12f, - CSI2_PIX_FMT_RAW8 = 0x2a, - CSI2_PIX_FMT_RAW8_DPCM10_EXP16 = 0x2aa, - CSI2_PIX_FMT_RAW8_DPCM10_VP = 0x32a, - CSI2_PIX_FMT_RAW8_VP = 0x12a, - CSI2_USERDEF_8BIT_DATA1_DPCM10_VP = 0x340, - CSI2_USERDEF_8BIT_DATA1_DPCM10 = 0x2c0, - CSI2_USERDEF_8BIT_DATA1 = 0x40, -}; - -enum isp_csi2_irqevents { - OCP_ERR_IRQ = 0x4000, - SHORT_PACKET_IRQ = 0x2000, - ECC_CORRECTION_IRQ = 0x1000, - ECC_NO_CORRECTION_IRQ = 0x800, - COMPLEXIO2_ERR_IRQ = 0x400, - COMPLEXIO1_ERR_IRQ = 0x200, - FIFO_OVF_IRQ = 0x100, - CONTEXT7 = 0x80, - CONTEXT6 = 0x40, - CONTEXT5 = 0x20, - CONTEXT4 = 0x10, - CONTEXT3 = 0x8, - CONTEXT2 = 0x4, - CONTEXT1 = 0x2, - CONTEXT0 = 0x1, -}; - -enum isp_csi2_ctx_irqevents { - CTX_ECC_CORRECTION = 0x100, - CTX_LINE_NUMBER = 0x80, - CTX_FRAME_NUMBER = 0x40, - CTX_CS = 0x20, - CTX_LE = 0x8, - CTX_LS = 0x4, - CTX_FE = 0x2, - CTX_FS = 0x1, -}; - -enum isp_csi2_frame_mode { - ISP_CSI2_FRAME_IMMEDIATE, - ISP_CSI2_FRAME_AFTERFEC, -}; - -#define ISP_CSI2_MAX_CTX_NUM 7 - -struct isp_csi2_ctx_cfg { - u8 ctxnum; /* context number 0 - 7 */ - u8 dpcm_decompress; - - /* Fields in CSI2_CTx_CTRL2 - locked by CSI2_CTx_CTRL1.CTX_EN */ - u8 virtual_id; - u16 format_id; /* as in CSI2_CTx_CTRL2[9:0] */ - u8 dpcm_predictor; /* 1: simple, 0: advanced */ - - /* Fields in CSI2_CTx_CTRL1/3 - Shadowed */ - u16 alpha; - u16 data_offset; - u32 ping_addr; - u32 pong_addr; - u8 eof_enabled; - u8 eol_enabled; - u8 checksum_enabled; - u8 enabled; -}; - -struct isp_csi2_timing_cfg { - u8 ionum; /* IO1 or IO2 as in CSI2_TIMING */ - unsigned force_rx_mode:1; - unsigned stop_state_16x:1; - unsigned stop_state_4x:1; - u16 stop_state_counter; -}; - -struct isp_csi2_ctrl_cfg { - bool vp_clk_enable; - bool vp_only_enable; - u8 vp_out_ctrl; - enum isp_csi2_frame_mode frame_mode; - bool ecc_enable; - bool if_enable; -}; - -#define CSI2_PAD_SINK 0 -#define CSI2_PAD_SOURCE 1 -#define CSI2_PADS_NUM 2 - -#define CSI2_OUTPUT_CCDC (1 << 0) -#define CSI2_OUTPUT_MEMORY (1 << 1) - -struct isp_csi2_device { - struct v4l2_subdev subdev; - struct media_pad pads[CSI2_PADS_NUM]; - struct v4l2_mbus_framefmt formats[CSI2_PADS_NUM]; - - struct isp_video video_out; - struct isp_device *isp; - - u8 available; /* Is the IP present on the silicon? */ - - /* mem resources - enums as defined in enum isp_mem_resources */ - u8 regs1; - u8 regs2; - - u32 output; /* output to CCDC, memory or both? */ - bool dpcm_decompress; - unsigned int frame_skip; - - struct isp_csiphy *phy; - struct isp_csi2_ctx_cfg contexts[ISP_CSI2_MAX_CTX_NUM + 1]; - struct isp_csi2_timing_cfg timing[2]; - struct isp_csi2_ctrl_cfg ctrl; - enum isp_pipeline_stream_state state; - wait_queue_head_t wait; - atomic_t stopping; -}; - -void omap3isp_csi2_isr(struct isp_csi2_device *csi2); -int omap3isp_csi2_reset(struct isp_csi2_device *csi2); -int omap3isp_csi2_init(struct isp_device *isp); -void omap3isp_csi2_cleanup(struct isp_device *isp); -void omap3isp_csi2_unregister_entities(struct isp_csi2_device *csi2); -int omap3isp_csi2_register_entities(struct isp_csi2_device *csi2, - struct v4l2_device *vdev); -#endif /* OMAP3_ISP_CSI2_H */ diff --git a/drivers/media/video/omap3isp/ispcsiphy.c b/drivers/media/video/omap3isp/ispcsiphy.c deleted file mode 100644 index 348f67ebbbc9..000000000000 --- a/drivers/media/video/omap3isp/ispcsiphy.c +++ /dev/null @@ -1,249 +0,0 @@ -/* - * ispcsiphy.c - * - * TI OMAP3 ISP - CSI PHY module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/regulator/consumer.h> - -#include "isp.h" -#include "ispreg.h" -#include "ispcsiphy.h" - -/* - * csiphy_lanes_config - Configuration of CSIPHY lanes. - * - * Updates HW configuration. - * Called with phy->mutex taken. - */ -static void csiphy_lanes_config(struct isp_csiphy *phy) -{ - unsigned int i; - u32 reg; - - reg = isp_reg_readl(phy->isp, phy->cfg_regs, ISPCSI2_PHY_CFG); - - for (i = 0; i < phy->num_data_lanes; i++) { - reg &= ~(ISPCSI2_PHY_CFG_DATA_POL_MASK(i + 1) | - ISPCSI2_PHY_CFG_DATA_POSITION_MASK(i + 1)); - reg |= (phy->lanes.data[i].pol << - ISPCSI2_PHY_CFG_DATA_POL_SHIFT(i + 1)); - reg |= (phy->lanes.data[i].pos << - ISPCSI2_PHY_CFG_DATA_POSITION_SHIFT(i + 1)); - } - - reg &= ~(ISPCSI2_PHY_CFG_CLOCK_POL_MASK | - ISPCSI2_PHY_CFG_CLOCK_POSITION_MASK); - reg |= phy->lanes.clk.pol << ISPCSI2_PHY_CFG_CLOCK_POL_SHIFT; - reg |= phy->lanes.clk.pos << ISPCSI2_PHY_CFG_CLOCK_POSITION_SHIFT; - - isp_reg_writel(phy->isp, reg, phy->cfg_regs, ISPCSI2_PHY_CFG); -} - -/* - * csiphy_power_autoswitch_enable - * @enable: Sets or clears the autoswitch function enable flag. - */ -static void csiphy_power_autoswitch_enable(struct isp_csiphy *phy, bool enable) -{ - isp_reg_clr_set(phy->isp, phy->cfg_regs, ISPCSI2_PHY_CFG, - ISPCSI2_PHY_CFG_PWR_AUTO, - enable ? ISPCSI2_PHY_CFG_PWR_AUTO : 0); -} - -/* - * csiphy_set_power - * @power: Power state to be set. - * - * Returns 0 if successful, or -EBUSY if the retry count is exceeded. - */ -static int csiphy_set_power(struct isp_csiphy *phy, u32 power) -{ - u32 reg; - u8 retry_count; - - isp_reg_clr_set(phy->isp, phy->cfg_regs, ISPCSI2_PHY_CFG, - ISPCSI2_PHY_CFG_PWR_CMD_MASK, power); - - retry_count = 0; - do { - udelay(50); - reg = isp_reg_readl(phy->isp, phy->cfg_regs, ISPCSI2_PHY_CFG) & - ISPCSI2_PHY_CFG_PWR_STATUS_MASK; - - if (reg != power >> 2) - retry_count++; - - } while ((reg != power >> 2) && (retry_count < 100)); - - if (retry_count == 100) { - printk(KERN_ERR "CSI2 CIO set power failed!\n"); - return -EBUSY; - } - - return 0; -} - -/* - * csiphy_dphy_config - Configure CSI2 D-PHY parameters. - * - * Called with phy->mutex taken. - */ -static void csiphy_dphy_config(struct isp_csiphy *phy) -{ - u32 reg; - - /* Set up ISPCSIPHY_REG0 */ - reg = isp_reg_readl(phy->isp, phy->phy_regs, ISPCSIPHY_REG0); - - reg &= ~(ISPCSIPHY_REG0_THS_TERM_MASK | - ISPCSIPHY_REG0_THS_SETTLE_MASK); - reg |= phy->dphy.ths_term << ISPCSIPHY_REG0_THS_TERM_SHIFT; - reg |= phy->dphy.ths_settle << ISPCSIPHY_REG0_THS_SETTLE_SHIFT; - - isp_reg_writel(phy->isp, reg, phy->phy_regs, ISPCSIPHY_REG0); - - /* Set up ISPCSIPHY_REG1 */ - reg = isp_reg_readl(phy->isp, phy->phy_regs, ISPCSIPHY_REG1); - - reg &= ~(ISPCSIPHY_REG1_TCLK_TERM_MASK | - ISPCSIPHY_REG1_TCLK_MISS_MASK | - ISPCSIPHY_REG1_TCLK_SETTLE_MASK); - reg |= phy->dphy.tclk_term << ISPCSIPHY_REG1_TCLK_TERM_SHIFT; - reg |= phy->dphy.tclk_miss << ISPCSIPHY_REG1_TCLK_MISS_SHIFT; - reg |= phy->dphy.tclk_settle << ISPCSIPHY_REG1_TCLK_SETTLE_SHIFT; - - isp_reg_writel(phy->isp, reg, phy->phy_regs, ISPCSIPHY_REG1); -} - -static int csiphy_config(struct isp_csiphy *phy, - struct isp_csiphy_dphy_cfg *dphy, - struct isp_csiphy_lanes_cfg *lanes) -{ - unsigned int used_lanes = 0; - unsigned int i; - - /* Clock and data lanes verification */ - for (i = 0; i < phy->num_data_lanes; i++) { - if (lanes->data[i].pol > 1 || lanes->data[i].pos > 3) - return -EINVAL; - - if (used_lanes & (1 << lanes->data[i].pos)) - return -EINVAL; - - used_lanes |= 1 << lanes->data[i].pos; - } - - if (lanes->clk.pol > 1 || lanes->clk.pos > 3) - return -EINVAL; - - if (lanes->clk.pos == 0 || used_lanes & (1 << lanes->clk.pos)) - return -EINVAL; - - mutex_lock(&phy->mutex); - phy->dphy = *dphy; - phy->lanes = *lanes; - mutex_unlock(&phy->mutex); - - return 0; -} - -int omap3isp_csiphy_acquire(struct isp_csiphy *phy) -{ - int rval; - - if (phy->vdd == NULL) { - dev_err(phy->isp->dev, "Power regulator for CSI PHY not " - "available\n"); - return -ENODEV; - } - - mutex_lock(&phy->mutex); - - rval = regulator_enable(phy->vdd); - if (rval < 0) - goto done; - - rval = omap3isp_csi2_reset(phy->csi2); - if (rval < 0) - goto done; - - csiphy_dphy_config(phy); - csiphy_lanes_config(phy); - - rval = csiphy_set_power(phy, ISPCSI2_PHY_CFG_PWR_CMD_ON); - if (rval) { - regulator_disable(phy->vdd); - goto done; - } - - csiphy_power_autoswitch_enable(phy, true); - phy->phy_in_use = 1; - -done: - mutex_unlock(&phy->mutex); - return rval; -} - -void omap3isp_csiphy_release(struct isp_csiphy *phy) -{ - mutex_lock(&phy->mutex); - if (phy->phy_in_use) { - csiphy_power_autoswitch_enable(phy, false); - csiphy_set_power(phy, ISPCSI2_PHY_CFG_PWR_CMD_OFF); - regulator_disable(phy->vdd); - phy->phy_in_use = 0; - } - mutex_unlock(&phy->mutex); -} - -/* - * omap3isp_csiphy_init - Initialize the CSI PHY frontends - */ -int omap3isp_csiphy_init(struct isp_device *isp) -{ - struct isp_csiphy *phy1 = &isp->isp_csiphy1; - struct isp_csiphy *phy2 = &isp->isp_csiphy2; - - isp->platform_cb.csiphy_config = csiphy_config; - - phy2->isp = isp; - phy2->csi2 = &isp->isp_csi2a; - phy2->num_data_lanes = ISP_CSIPHY2_NUM_DATA_LANES; - phy2->cfg_regs = OMAP3_ISP_IOMEM_CSI2A_REGS1; - phy2->phy_regs = OMAP3_ISP_IOMEM_CSIPHY2; - mutex_init(&phy2->mutex); - - if (isp->revision == ISP_REVISION_15_0) { - phy1->isp = isp; - phy1->csi2 = &isp->isp_csi2c; - phy1->num_data_lanes = ISP_CSIPHY1_NUM_DATA_LANES; - phy1->cfg_regs = OMAP3_ISP_IOMEM_CSI2C_REGS1; - phy1->phy_regs = OMAP3_ISP_IOMEM_CSIPHY1; - mutex_init(&phy1->mutex); - } - - return 0; -} diff --git a/drivers/media/video/omap3isp/ispcsiphy.h b/drivers/media/video/omap3isp/ispcsiphy.h deleted file mode 100644 index e93a661e65d9..000000000000 --- a/drivers/media/video/omap3isp/ispcsiphy.h +++ /dev/null @@ -1,63 +0,0 @@ -/* - * ispcsiphy.h - * - * TI OMAP3 ISP - CSI PHY module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef OMAP3_ISP_CSI_PHY_H -#define OMAP3_ISP_CSI_PHY_H - -#include <media/omap3isp.h> - -struct isp_csi2_device; -struct regulator; - -struct isp_csiphy_dphy_cfg { - u8 ths_term; - u8 ths_settle; - u8 tclk_term; - unsigned tclk_miss:1; - u8 tclk_settle; -}; - -struct isp_csiphy { - struct isp_device *isp; - struct mutex mutex; /* serialize csiphy configuration */ - u8 phy_in_use; - struct isp_csi2_device *csi2; - struct regulator *vdd; - - /* mem resources - enums as defined in enum isp_mem_resources */ - unsigned int cfg_regs; - unsigned int phy_regs; - - u8 num_data_lanes; /* number of CSI2 Data Lanes supported */ - struct isp_csiphy_lanes_cfg lanes; - struct isp_csiphy_dphy_cfg dphy; -}; - -int omap3isp_csiphy_acquire(struct isp_csiphy *phy); -void omap3isp_csiphy_release(struct isp_csiphy *phy); -int omap3isp_csiphy_init(struct isp_device *isp); - -#endif /* OMAP3_ISP_CSI_PHY_H */ diff --git a/drivers/media/video/omap3isp/isph3a.h b/drivers/media/video/omap3isp/isph3a.h deleted file mode 100644 index fb09fd4ca755..000000000000 --- a/drivers/media/video/omap3isp/isph3a.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - * isph3a.h - * - * TI OMAP3 ISP - H3A AF module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: David Cohen <dacohen@gmail.com> - * Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef OMAP3_ISP_H3A_H -#define OMAP3_ISP_H3A_H - -#include <linux/omap3isp.h> - -/* - * ---------- - * -H3A AEWB- - * ---------- - */ - -#define AEWB_PACKET_SIZE 16 -#define AEWB_SATURATION_LIMIT 0x3ff - -/* Flags for changed registers */ -#define PCR_CHNG (1 << 0) -#define AEWWIN1_CHNG (1 << 1) -#define AEWINSTART_CHNG (1 << 2) -#define AEWINBLK_CHNG (1 << 3) -#define AEWSUBWIN_CHNG (1 << 4) -#define PRV_WBDGAIN_CHNG (1 << 5) -#define PRV_WBGAIN_CHNG (1 << 6) - -/* ISPH3A REGISTERS bits */ -#define ISPH3A_PCR_AF_EN (1 << 0) -#define ISPH3A_PCR_AF_ALAW_EN (1 << 1) -#define ISPH3A_PCR_AF_MED_EN (1 << 2) -#define ISPH3A_PCR_AF_BUSY (1 << 15) -#define ISPH3A_PCR_AEW_EN (1 << 16) -#define ISPH3A_PCR_AEW_ALAW_EN (1 << 17) -#define ISPH3A_PCR_AEW_BUSY (1 << 18) -#define ISPH3A_PCR_AEW_MASK (ISPH3A_PCR_AEW_ALAW_EN | \ - ISPH3A_PCR_AEW_AVE2LMT_MASK) - -/* - * -------- - * -H3A AF- - * -------- - */ - -/* Peripheral Revision */ -#define AFPID 0x0 - -#define AFCOEF_OFFSET 0x00000004 /* COEF base address */ - -/* PCR fields */ -#define AF_BUSYAF (1 << 15) -#define AF_FVMODE (1 << 14) -#define AF_RGBPOS (0x7 << 11) -#define AF_MED_TH (0xFF << 3) -#define AF_MED_EN (1 << 2) -#define AF_ALAW_EN (1 << 1) -#define AF_EN (1 << 0) -#define AF_PCR_MASK (AF_FVMODE | AF_RGBPOS | AF_MED_TH | \ - AF_MED_EN | AF_ALAW_EN) - -/* AFPAX1 fields */ -#define AF_PAXW (0x7F << 16) -#define AF_PAXH 0x7F - -/* AFPAX2 fields */ -#define AF_AFINCV (0xF << 13) -#define AF_PAXVC (0x7F << 6) -#define AF_PAXHC 0x3F - -/* AFPAXSTART fields */ -#define AF_PAXSH (0xFFF<<16) -#define AF_PAXSV 0xFFF - -/* COEFFICIENT MASK */ -#define AF_COEF_MASK0 0xFFF -#define AF_COEF_MASK1 (0xFFF<<16) - -/* BIT SHIFTS */ -#define AF_RGBPOS_SHIFT 11 -#define AF_MED_TH_SHIFT 3 -#define AF_PAXW_SHIFT 16 -#define AF_LINE_INCR_SHIFT 13 -#define AF_VT_COUNT_SHIFT 6 -#define AF_HZ_START_SHIFT 16 -#define AF_COEF_SHIFT 16 - -/* Init and cleanup functions */ -int omap3isp_h3a_aewb_init(struct isp_device *isp); -int omap3isp_h3a_af_init(struct isp_device *isp); - -void omap3isp_h3a_aewb_cleanup(struct isp_device *isp); -void omap3isp_h3a_af_cleanup(struct isp_device *isp); - -#endif /* OMAP3_ISP_H3A_H */ diff --git a/drivers/media/video/omap3isp/isph3a_aewb.c b/drivers/media/video/omap3isp/isph3a_aewb.c deleted file mode 100644 index 036e9961d027..000000000000 --- a/drivers/media/video/omap3isp/isph3a_aewb.c +++ /dev/null @@ -1,368 +0,0 @@ -/* - * isph3a.c - * - * TI OMAP3 ISP - H3A module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: David Cohen <dacohen@gmail.com> - * Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <linux/slab.h> -#include <linux/uaccess.h> - -#include "isp.h" -#include "isph3a.h" -#include "ispstat.h" - -/* - * h3a_aewb_update_regs - Helper function to update h3a registers. - */ -static void h3a_aewb_setup_regs(struct ispstat *aewb, void *priv) -{ - struct omap3isp_h3a_aewb_config *conf = priv; - u32 pcr; - u32 win1; - u32 start; - u32 blk; - u32 subwin; - - if (aewb->state == ISPSTAT_DISABLED) - return; - - isp_reg_writel(aewb->isp, aewb->active_buf->iommu_addr, - OMAP3_ISP_IOMEM_H3A, ISPH3A_AEWBUFST); - - if (!aewb->update) - return; - - /* Converting config metadata into reg values */ - pcr = conf->saturation_limit << ISPH3A_PCR_AEW_AVE2LMT_SHIFT; - pcr |= !!conf->alaw_enable << ISPH3A_PCR_AEW_ALAW_EN_SHIFT; - - win1 = ((conf->win_height >> 1) - 1) << ISPH3A_AEWWIN1_WINH_SHIFT; - win1 |= ((conf->win_width >> 1) - 1) << ISPH3A_AEWWIN1_WINW_SHIFT; - win1 |= (conf->ver_win_count - 1) << ISPH3A_AEWWIN1_WINVC_SHIFT; - win1 |= (conf->hor_win_count - 1) << ISPH3A_AEWWIN1_WINHC_SHIFT; - - start = conf->hor_win_start << ISPH3A_AEWINSTART_WINSH_SHIFT; - start |= conf->ver_win_start << ISPH3A_AEWINSTART_WINSV_SHIFT; - - blk = conf->blk_ver_win_start << ISPH3A_AEWINBLK_WINSV_SHIFT; - blk |= ((conf->blk_win_height >> 1) - 1) << ISPH3A_AEWINBLK_WINH_SHIFT; - - subwin = ((conf->subsample_ver_inc >> 1) - 1) << - ISPH3A_AEWSUBWIN_AEWINCV_SHIFT; - subwin |= ((conf->subsample_hor_inc >> 1) - 1) << - ISPH3A_AEWSUBWIN_AEWINCH_SHIFT; - - isp_reg_writel(aewb->isp, win1, OMAP3_ISP_IOMEM_H3A, ISPH3A_AEWWIN1); - isp_reg_writel(aewb->isp, start, OMAP3_ISP_IOMEM_H3A, - ISPH3A_AEWINSTART); - isp_reg_writel(aewb->isp, blk, OMAP3_ISP_IOMEM_H3A, ISPH3A_AEWINBLK); - isp_reg_writel(aewb->isp, subwin, OMAP3_ISP_IOMEM_H3A, - ISPH3A_AEWSUBWIN); - isp_reg_clr_set(aewb->isp, OMAP3_ISP_IOMEM_H3A, ISPH3A_PCR, - ISPH3A_PCR_AEW_MASK, pcr); - - aewb->update = 0; - aewb->config_counter += aewb->inc_config; - aewb->inc_config = 0; - aewb->buf_size = conf->buf_size; -} - -static void h3a_aewb_enable(struct ispstat *aewb, int enable) -{ - if (enable) { - isp_reg_set(aewb->isp, OMAP3_ISP_IOMEM_H3A, ISPH3A_PCR, - ISPH3A_PCR_AEW_EN); - omap3isp_subclk_enable(aewb->isp, OMAP3_ISP_SUBCLK_AEWB); - } else { - isp_reg_clr(aewb->isp, OMAP3_ISP_IOMEM_H3A, ISPH3A_PCR, - ISPH3A_PCR_AEW_EN); - omap3isp_subclk_disable(aewb->isp, OMAP3_ISP_SUBCLK_AEWB); - } -} - -static int h3a_aewb_busy(struct ispstat *aewb) -{ - return isp_reg_readl(aewb->isp, OMAP3_ISP_IOMEM_H3A, ISPH3A_PCR) - & ISPH3A_PCR_BUSYAEAWB; -} - -static u32 h3a_aewb_get_buf_size(struct omap3isp_h3a_aewb_config *conf) -{ - /* Number of configured windows + extra row for black data */ - u32 win_count = (conf->ver_win_count + 1) * conf->hor_win_count; - - /* - * Unsaturated block counts for each 8 windows. - * 1 extra for the last (win_count % 8) windows if win_count is not - * divisible by 8. - */ - win_count += (win_count + 7) / 8; - - return win_count * AEWB_PACKET_SIZE; -} - -static int h3a_aewb_validate_params(struct ispstat *aewb, void *new_conf) -{ - struct omap3isp_h3a_aewb_config *user_cfg = new_conf; - u32 buf_size; - - if (unlikely(user_cfg->saturation_limit > - OMAP3ISP_AEWB_MAX_SATURATION_LIM)) - return -EINVAL; - - if (unlikely(user_cfg->win_height < OMAP3ISP_AEWB_MIN_WIN_H || - user_cfg->win_height > OMAP3ISP_AEWB_MAX_WIN_H || - user_cfg->win_height & 0x01)) - return -EINVAL; - - if (unlikely(user_cfg->win_width < OMAP3ISP_AEWB_MIN_WIN_W || - user_cfg->win_width > OMAP3ISP_AEWB_MAX_WIN_W || - user_cfg->win_width & 0x01)) - return -EINVAL; - - if (unlikely(user_cfg->ver_win_count < OMAP3ISP_AEWB_MIN_WINVC || - user_cfg->ver_win_count > OMAP3ISP_AEWB_MAX_WINVC)) - return -EINVAL; - - if (unlikely(user_cfg->hor_win_count < OMAP3ISP_AEWB_MIN_WINHC || - user_cfg->hor_win_count > OMAP3ISP_AEWB_MAX_WINHC)) - return -EINVAL; - - if (unlikely(user_cfg->ver_win_start > OMAP3ISP_AEWB_MAX_WINSTART)) - return -EINVAL; - - if (unlikely(user_cfg->hor_win_start > OMAP3ISP_AEWB_MAX_WINSTART)) - return -EINVAL; - - if (unlikely(user_cfg->blk_ver_win_start > OMAP3ISP_AEWB_MAX_WINSTART)) - return -EINVAL; - - if (unlikely(user_cfg->blk_win_height < OMAP3ISP_AEWB_MIN_WIN_H || - user_cfg->blk_win_height > OMAP3ISP_AEWB_MAX_WIN_H || - user_cfg->blk_win_height & 0x01)) - return -EINVAL; - - if (unlikely(user_cfg->subsample_ver_inc < OMAP3ISP_AEWB_MIN_SUB_INC || - user_cfg->subsample_ver_inc > OMAP3ISP_AEWB_MAX_SUB_INC || - user_cfg->subsample_ver_inc & 0x01)) - return -EINVAL; - - if (unlikely(user_cfg->subsample_hor_inc < OMAP3ISP_AEWB_MIN_SUB_INC || - user_cfg->subsample_hor_inc > OMAP3ISP_AEWB_MAX_SUB_INC || - user_cfg->subsample_hor_inc & 0x01)) - return -EINVAL; - - buf_size = h3a_aewb_get_buf_size(user_cfg); - if (buf_size > user_cfg->buf_size) - user_cfg->buf_size = buf_size; - else if (user_cfg->buf_size > OMAP3ISP_AEWB_MAX_BUF_SIZE) - user_cfg->buf_size = OMAP3ISP_AEWB_MAX_BUF_SIZE; - - return 0; -} - -/* - * h3a_aewb_set_params - Helper function to check & store user given params. - * @new_conf: Pointer to AE and AWB parameters struct. - * - * As most of them are busy-lock registers, need to wait until AEW_BUSY = 0 to - * program them during ISR. - */ -static void h3a_aewb_set_params(struct ispstat *aewb, void *new_conf) -{ - struct omap3isp_h3a_aewb_config *user_cfg = new_conf; - struct omap3isp_h3a_aewb_config *cur_cfg = aewb->priv; - int update = 0; - - if (cur_cfg->saturation_limit != user_cfg->saturation_limit) { - cur_cfg->saturation_limit = user_cfg->saturation_limit; - update = 1; - } - if (cur_cfg->alaw_enable != user_cfg->alaw_enable) { - cur_cfg->alaw_enable = user_cfg->alaw_enable; - update = 1; - } - if (cur_cfg->win_height != user_cfg->win_height) { - cur_cfg->win_height = user_cfg->win_height; - update = 1; - } - if (cur_cfg->win_width != user_cfg->win_width) { - cur_cfg->win_width = user_cfg->win_width; - update = 1; - } - if (cur_cfg->ver_win_count != user_cfg->ver_win_count) { - cur_cfg->ver_win_count = user_cfg->ver_win_count; - update = 1; - } - if (cur_cfg->hor_win_count != user_cfg->hor_win_count) { - cur_cfg->hor_win_count = user_cfg->hor_win_count; - update = 1; - } - if (cur_cfg->ver_win_start != user_cfg->ver_win_start) { - cur_cfg->ver_win_start = user_cfg->ver_win_start; - update = 1; - } - if (cur_cfg->hor_win_start != user_cfg->hor_win_start) { - cur_cfg->hor_win_start = user_cfg->hor_win_start; - update = 1; - } - if (cur_cfg->blk_ver_win_start != user_cfg->blk_ver_win_start) { - cur_cfg->blk_ver_win_start = user_cfg->blk_ver_win_start; - update = 1; - } - if (cur_cfg->blk_win_height != user_cfg->blk_win_height) { - cur_cfg->blk_win_height = user_cfg->blk_win_height; - update = 1; - } - if (cur_cfg->subsample_ver_inc != user_cfg->subsample_ver_inc) { - cur_cfg->subsample_ver_inc = user_cfg->subsample_ver_inc; - update = 1; - } - if (cur_cfg->subsample_hor_inc != user_cfg->subsample_hor_inc) { - cur_cfg->subsample_hor_inc = user_cfg->subsample_hor_inc; - update = 1; - } - - if (update || !aewb->configured) { - aewb->inc_config++; - aewb->update = 1; - cur_cfg->buf_size = h3a_aewb_get_buf_size(cur_cfg); - } -} - -static long h3a_aewb_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) -{ - struct ispstat *stat = v4l2_get_subdevdata(sd); - - switch (cmd) { - case VIDIOC_OMAP3ISP_AEWB_CFG: - return omap3isp_stat_config(stat, arg); - case VIDIOC_OMAP3ISP_STAT_REQ: - return omap3isp_stat_request_statistics(stat, arg); - case VIDIOC_OMAP3ISP_STAT_EN: { - unsigned long *en = arg; - return omap3isp_stat_enable(stat, !!*en); - } - } - - return -ENOIOCTLCMD; -} - -static const struct ispstat_ops h3a_aewb_ops = { - .validate_params = h3a_aewb_validate_params, - .set_params = h3a_aewb_set_params, - .setup_regs = h3a_aewb_setup_regs, - .enable = h3a_aewb_enable, - .busy = h3a_aewb_busy, -}; - -static const struct v4l2_subdev_core_ops h3a_aewb_subdev_core_ops = { - .ioctl = h3a_aewb_ioctl, - .subscribe_event = omap3isp_stat_subscribe_event, - .unsubscribe_event = omap3isp_stat_unsubscribe_event, -}; - -static const struct v4l2_subdev_video_ops h3a_aewb_subdev_video_ops = { - .s_stream = omap3isp_stat_s_stream, -}; - -static const struct v4l2_subdev_ops h3a_aewb_subdev_ops = { - .core = &h3a_aewb_subdev_core_ops, - .video = &h3a_aewb_subdev_video_ops, -}; - -/* - * omap3isp_h3a_aewb_init - Module Initialisation. - */ -int omap3isp_h3a_aewb_init(struct isp_device *isp) -{ - struct ispstat *aewb = &isp->isp_aewb; - struct omap3isp_h3a_aewb_config *aewb_cfg; - struct omap3isp_h3a_aewb_config *aewb_recover_cfg; - int ret; - - aewb_cfg = kzalloc(sizeof(*aewb_cfg), GFP_KERNEL); - if (!aewb_cfg) - return -ENOMEM; - - memset(aewb, 0, sizeof(*aewb)); - aewb->ops = &h3a_aewb_ops; - aewb->priv = aewb_cfg; - aewb->dma_ch = -1; - aewb->event_type = V4L2_EVENT_OMAP3ISP_AEWB; - aewb->isp = isp; - - /* Set recover state configuration */ - aewb_recover_cfg = kzalloc(sizeof(*aewb_recover_cfg), GFP_KERNEL); - if (!aewb_recover_cfg) { - dev_err(aewb->isp->dev, "AEWB: cannot allocate memory for " - "recover configuration.\n"); - ret = -ENOMEM; - goto err_recover_alloc; - } - - aewb_recover_cfg->saturation_limit = OMAP3ISP_AEWB_MAX_SATURATION_LIM; - aewb_recover_cfg->win_height = OMAP3ISP_AEWB_MIN_WIN_H; - aewb_recover_cfg->win_width = OMAP3ISP_AEWB_MIN_WIN_W; - aewb_recover_cfg->ver_win_count = OMAP3ISP_AEWB_MIN_WINVC; - aewb_recover_cfg->hor_win_count = OMAP3ISP_AEWB_MIN_WINHC; - aewb_recover_cfg->blk_ver_win_start = aewb_recover_cfg->ver_win_start + - aewb_recover_cfg->win_height * aewb_recover_cfg->ver_win_count; - aewb_recover_cfg->blk_win_height = OMAP3ISP_AEWB_MIN_WIN_H; - aewb_recover_cfg->subsample_ver_inc = OMAP3ISP_AEWB_MIN_SUB_INC; - aewb_recover_cfg->subsample_hor_inc = OMAP3ISP_AEWB_MIN_SUB_INC; - - if (h3a_aewb_validate_params(aewb, aewb_recover_cfg)) { - dev_err(aewb->isp->dev, "AEWB: recover configuration is " - "invalid.\n"); - ret = -EINVAL; - goto err_conf; - } - - aewb_recover_cfg->buf_size = h3a_aewb_get_buf_size(aewb_recover_cfg); - aewb->recover_priv = aewb_recover_cfg; - - ret = omap3isp_stat_init(aewb, "AEWB", &h3a_aewb_subdev_ops); - if (ret) - goto err_conf; - - return 0; - -err_conf: - kfree(aewb_recover_cfg); -err_recover_alloc: - kfree(aewb_cfg); - - return ret; -} - -/* - * omap3isp_h3a_aewb_cleanup - Module exit. - */ -void omap3isp_h3a_aewb_cleanup(struct isp_device *isp) -{ - kfree(isp->isp_aewb.priv); - kfree(isp->isp_aewb.recover_priv); - omap3isp_stat_cleanup(&isp->isp_aewb); -} diff --git a/drivers/media/video/omap3isp/isph3a_af.c b/drivers/media/video/omap3isp/isph3a_af.c deleted file mode 100644 index 42ccce318d5d..000000000000 --- a/drivers/media/video/omap3isp/isph3a_af.c +++ /dev/null @@ -1,423 +0,0 @@ -/* - * isph3a_af.c - * - * TI OMAP3 ISP - H3A AF module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: David Cohen <dacohen@gmail.com> - * Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -/* Linux specific include files */ -#include <linux/device.h> -#include <linux/slab.h> - -#include "isp.h" -#include "isph3a.h" -#include "ispstat.h" - -#define IS_OUT_OF_BOUNDS(value, min, max) \ - (((value) < (min)) || ((value) > (max))) - -static void h3a_af_setup_regs(struct ispstat *af, void *priv) -{ - struct omap3isp_h3a_af_config *conf = priv; - u32 pcr; - u32 pax1; - u32 pax2; - u32 paxstart; - u32 coef; - u32 base_coef_set0; - u32 base_coef_set1; - int index; - - if (af->state == ISPSTAT_DISABLED) - return; - - isp_reg_writel(af->isp, af->active_buf->iommu_addr, OMAP3_ISP_IOMEM_H3A, - ISPH3A_AFBUFST); - - if (!af->update) - return; - - /* Configure Hardware Registers */ - pax1 = ((conf->paxel.width >> 1) - 1) << AF_PAXW_SHIFT; - /* Set height in AFPAX1 */ - pax1 |= (conf->paxel.height >> 1) - 1; - isp_reg_writel(af->isp, pax1, OMAP3_ISP_IOMEM_H3A, ISPH3A_AFPAX1); - - /* Configure AFPAX2 Register */ - /* Set Line Increment in AFPAX2 Register */ - pax2 = ((conf->paxel.line_inc >> 1) - 1) << AF_LINE_INCR_SHIFT; - /* Set Vertical Count */ - pax2 |= (conf->paxel.v_cnt - 1) << AF_VT_COUNT_SHIFT; - /* Set Horizontal Count */ - pax2 |= (conf->paxel.h_cnt - 1); - isp_reg_writel(af->isp, pax2, OMAP3_ISP_IOMEM_H3A, ISPH3A_AFPAX2); - - /* Configure PAXSTART Register */ - /*Configure Horizontal Start */ - paxstart = conf->paxel.h_start << AF_HZ_START_SHIFT; - /* Configure Vertical Start */ - paxstart |= conf->paxel.v_start; - isp_reg_writel(af->isp, paxstart, OMAP3_ISP_IOMEM_H3A, - ISPH3A_AFPAXSTART); - - /*SetIIRSH Register */ - isp_reg_writel(af->isp, conf->iir.h_start, - OMAP3_ISP_IOMEM_H3A, ISPH3A_AFIIRSH); - - base_coef_set0 = ISPH3A_AFCOEF010; - base_coef_set1 = ISPH3A_AFCOEF110; - for (index = 0; index <= 8; index += 2) { - /*Set IIR Filter0 Coefficients */ - coef = 0; - coef |= conf->iir.coeff_set0[index]; - coef |= conf->iir.coeff_set0[index + 1] << - AF_COEF_SHIFT; - isp_reg_writel(af->isp, coef, OMAP3_ISP_IOMEM_H3A, - base_coef_set0); - base_coef_set0 += AFCOEF_OFFSET; - - /*Set IIR Filter1 Coefficients */ - coef = 0; - coef |= conf->iir.coeff_set1[index]; - coef |= conf->iir.coeff_set1[index + 1] << - AF_COEF_SHIFT; - isp_reg_writel(af->isp, coef, OMAP3_ISP_IOMEM_H3A, - base_coef_set1); - base_coef_set1 += AFCOEF_OFFSET; - } - /* set AFCOEF0010 Register */ - isp_reg_writel(af->isp, conf->iir.coeff_set0[10], - OMAP3_ISP_IOMEM_H3A, ISPH3A_AFCOEF0010); - /* set AFCOEF1010 Register */ - isp_reg_writel(af->isp, conf->iir.coeff_set1[10], - OMAP3_ISP_IOMEM_H3A, ISPH3A_AFCOEF1010); - - /* PCR Register */ - /* Set RGB Position */ - pcr = conf->rgb_pos << AF_RGBPOS_SHIFT; - /* Set Accumulator Mode */ - if (conf->fvmode == OMAP3ISP_AF_MODE_PEAK) - pcr |= AF_FVMODE; - /* Set A-law */ - if (conf->alaw_enable) - pcr |= AF_ALAW_EN; - /* HMF Configurations */ - if (conf->hmf.enable) { - /* Enable HMF */ - pcr |= AF_MED_EN; - /* Set Median Threshold */ - pcr |= conf->hmf.threshold << AF_MED_TH_SHIFT; - } - /* Set PCR Register */ - isp_reg_clr_set(af->isp, OMAP3_ISP_IOMEM_H3A, ISPH3A_PCR, - AF_PCR_MASK, pcr); - - af->update = 0; - af->config_counter += af->inc_config; - af->inc_config = 0; - af->buf_size = conf->buf_size; -} - -static void h3a_af_enable(struct ispstat *af, int enable) -{ - if (enable) { - isp_reg_set(af->isp, OMAP3_ISP_IOMEM_H3A, ISPH3A_PCR, - ISPH3A_PCR_AF_EN); - omap3isp_subclk_enable(af->isp, OMAP3_ISP_SUBCLK_AF); - } else { - isp_reg_clr(af->isp, OMAP3_ISP_IOMEM_H3A, ISPH3A_PCR, - ISPH3A_PCR_AF_EN); - omap3isp_subclk_disable(af->isp, OMAP3_ISP_SUBCLK_AF); - } -} - -static int h3a_af_busy(struct ispstat *af) -{ - return isp_reg_readl(af->isp, OMAP3_ISP_IOMEM_H3A, ISPH3A_PCR) - & ISPH3A_PCR_BUSYAF; -} - -static u32 h3a_af_get_buf_size(struct omap3isp_h3a_af_config *conf) -{ - return conf->paxel.h_cnt * conf->paxel.v_cnt * OMAP3ISP_AF_PAXEL_SIZE; -} - -/* Function to check paxel parameters */ -static int h3a_af_validate_params(struct ispstat *af, void *new_conf) -{ - struct omap3isp_h3a_af_config *user_cfg = new_conf; - struct omap3isp_h3a_af_paxel *paxel_cfg = &user_cfg->paxel; - struct omap3isp_h3a_af_iir *iir_cfg = &user_cfg->iir; - int index; - u32 buf_size; - - /* Check horizontal Count */ - if (IS_OUT_OF_BOUNDS(paxel_cfg->h_cnt, - OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MIN, - OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MAX)) - return -EINVAL; - - /* Check Vertical Count */ - if (IS_OUT_OF_BOUNDS(paxel_cfg->v_cnt, - OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MIN, - OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MAX)) - return -EINVAL; - - if (IS_OUT_OF_BOUNDS(paxel_cfg->height, OMAP3ISP_AF_PAXEL_HEIGHT_MIN, - OMAP3ISP_AF_PAXEL_HEIGHT_MAX) || - paxel_cfg->height % 2) - return -EINVAL; - - /* Check width */ - if (IS_OUT_OF_BOUNDS(paxel_cfg->width, OMAP3ISP_AF_PAXEL_WIDTH_MIN, - OMAP3ISP_AF_PAXEL_WIDTH_MAX) || - paxel_cfg->width % 2) - return -EINVAL; - - /* Check Line Increment */ - if (IS_OUT_OF_BOUNDS(paxel_cfg->line_inc, - OMAP3ISP_AF_PAXEL_INCREMENT_MIN, - OMAP3ISP_AF_PAXEL_INCREMENT_MAX) || - paxel_cfg->line_inc % 2) - return -EINVAL; - - /* Check Horizontal Start */ - if ((paxel_cfg->h_start < iir_cfg->h_start) || - IS_OUT_OF_BOUNDS(paxel_cfg->h_start, - OMAP3ISP_AF_PAXEL_HZSTART_MIN, - OMAP3ISP_AF_PAXEL_HZSTART_MAX)) - return -EINVAL; - - /* Check IIR */ - for (index = 0; index < OMAP3ISP_AF_NUM_COEF; index++) { - if ((iir_cfg->coeff_set0[index]) > OMAP3ISP_AF_COEF_MAX) - return -EINVAL; - - if ((iir_cfg->coeff_set1[index]) > OMAP3ISP_AF_COEF_MAX) - return -EINVAL; - } - - if (IS_OUT_OF_BOUNDS(iir_cfg->h_start, OMAP3ISP_AF_IIRSH_MIN, - OMAP3ISP_AF_IIRSH_MAX)) - return -EINVAL; - - /* Hack: If paxel size is 12, the 10th AF window may be corrupted */ - if ((paxel_cfg->h_cnt * paxel_cfg->v_cnt > 9) && - (paxel_cfg->width * paxel_cfg->height == 12)) - return -EINVAL; - - buf_size = h3a_af_get_buf_size(user_cfg); - if (buf_size > user_cfg->buf_size) - /* User buf_size request wasn't enough */ - user_cfg->buf_size = buf_size; - else if (user_cfg->buf_size > OMAP3ISP_AF_MAX_BUF_SIZE) - user_cfg->buf_size = OMAP3ISP_AF_MAX_BUF_SIZE; - - return 0; -} - -/* Update local parameters */ -static void h3a_af_set_params(struct ispstat *af, void *new_conf) -{ - struct omap3isp_h3a_af_config *user_cfg = new_conf; - struct omap3isp_h3a_af_config *cur_cfg = af->priv; - int update = 0; - int index; - - /* alaw */ - if (cur_cfg->alaw_enable != user_cfg->alaw_enable) { - update = 1; - goto out; - } - - /* hmf */ - if (cur_cfg->hmf.enable != user_cfg->hmf.enable) { - update = 1; - goto out; - } - if (cur_cfg->hmf.threshold != user_cfg->hmf.threshold) { - update = 1; - goto out; - } - - /* rgbpos */ - if (cur_cfg->rgb_pos != user_cfg->rgb_pos) { - update = 1; - goto out; - } - - /* iir */ - if (cur_cfg->iir.h_start != user_cfg->iir.h_start) { - update = 1; - goto out; - } - for (index = 0; index < OMAP3ISP_AF_NUM_COEF; index++) { - if (cur_cfg->iir.coeff_set0[index] != - user_cfg->iir.coeff_set0[index]) { - update = 1; - goto out; - } - if (cur_cfg->iir.coeff_set1[index] != - user_cfg->iir.coeff_set1[index]) { - update = 1; - goto out; - } - } - - /* paxel */ - if ((cur_cfg->paxel.width != user_cfg->paxel.width) || - (cur_cfg->paxel.height != user_cfg->paxel.height) || - (cur_cfg->paxel.h_start != user_cfg->paxel.h_start) || - (cur_cfg->paxel.v_start != user_cfg->paxel.v_start) || - (cur_cfg->paxel.h_cnt != user_cfg->paxel.h_cnt) || - (cur_cfg->paxel.v_cnt != user_cfg->paxel.v_cnt) || - (cur_cfg->paxel.line_inc != user_cfg->paxel.line_inc)) { - update = 1; - goto out; - } - - /* af_mode */ - if (cur_cfg->fvmode != user_cfg->fvmode) - update = 1; - -out: - if (update || !af->configured) { - memcpy(cur_cfg, user_cfg, sizeof(*cur_cfg)); - af->inc_config++; - af->update = 1; - /* - * User might be asked for a bigger buffer than necessary for - * this configuration. In order to return the right amount of - * data during buffer request, let's calculate the size here - * instead of stick with user_cfg->buf_size. - */ - cur_cfg->buf_size = h3a_af_get_buf_size(cur_cfg); - } -} - -static long h3a_af_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) -{ - struct ispstat *stat = v4l2_get_subdevdata(sd); - - switch (cmd) { - case VIDIOC_OMAP3ISP_AF_CFG: - return omap3isp_stat_config(stat, arg); - case VIDIOC_OMAP3ISP_STAT_REQ: - return omap3isp_stat_request_statistics(stat, arg); - case VIDIOC_OMAP3ISP_STAT_EN: { - int *en = arg; - return omap3isp_stat_enable(stat, !!*en); - } - } - - return -ENOIOCTLCMD; - -} - -static const struct ispstat_ops h3a_af_ops = { - .validate_params = h3a_af_validate_params, - .set_params = h3a_af_set_params, - .setup_regs = h3a_af_setup_regs, - .enable = h3a_af_enable, - .busy = h3a_af_busy, -}; - -static const struct v4l2_subdev_core_ops h3a_af_subdev_core_ops = { - .ioctl = h3a_af_ioctl, - .subscribe_event = omap3isp_stat_subscribe_event, - .unsubscribe_event = omap3isp_stat_unsubscribe_event, -}; - -static const struct v4l2_subdev_video_ops h3a_af_subdev_video_ops = { - .s_stream = omap3isp_stat_s_stream, -}; - -static const struct v4l2_subdev_ops h3a_af_subdev_ops = { - .core = &h3a_af_subdev_core_ops, - .video = &h3a_af_subdev_video_ops, -}; - -/* Function to register the AF character device driver. */ -int omap3isp_h3a_af_init(struct isp_device *isp) -{ - struct ispstat *af = &isp->isp_af; - struct omap3isp_h3a_af_config *af_cfg; - struct omap3isp_h3a_af_config *af_recover_cfg; - int ret; - - af_cfg = kzalloc(sizeof(*af_cfg), GFP_KERNEL); - if (af_cfg == NULL) - return -ENOMEM; - - memset(af, 0, sizeof(*af)); - af->ops = &h3a_af_ops; - af->priv = af_cfg; - af->dma_ch = -1; - af->event_type = V4L2_EVENT_OMAP3ISP_AF; - af->isp = isp; - - /* Set recover state configuration */ - af_recover_cfg = kzalloc(sizeof(*af_recover_cfg), GFP_KERNEL); - if (!af_recover_cfg) { - dev_err(af->isp->dev, "AF: cannot allocate memory for recover " - "configuration.\n"); - ret = -ENOMEM; - goto err_recover_alloc; - } - - af_recover_cfg->paxel.h_start = OMAP3ISP_AF_PAXEL_HZSTART_MIN; - af_recover_cfg->paxel.width = OMAP3ISP_AF_PAXEL_WIDTH_MIN; - af_recover_cfg->paxel.height = OMAP3ISP_AF_PAXEL_HEIGHT_MIN; - af_recover_cfg->paxel.h_cnt = OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MIN; - af_recover_cfg->paxel.v_cnt = OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MIN; - af_recover_cfg->paxel.line_inc = OMAP3ISP_AF_PAXEL_INCREMENT_MIN; - if (h3a_af_validate_params(af, af_recover_cfg)) { - dev_err(af->isp->dev, "AF: recover configuration is " - "invalid.\n"); - ret = -EINVAL; - goto err_conf; - } - - af_recover_cfg->buf_size = h3a_af_get_buf_size(af_recover_cfg); - af->recover_priv = af_recover_cfg; - - ret = omap3isp_stat_init(af, "AF", &h3a_af_subdev_ops); - if (ret) - goto err_conf; - - return 0; - -err_conf: - kfree(af_recover_cfg); -err_recover_alloc: - kfree(af_cfg); - - return ret; -} - -void omap3isp_h3a_af_cleanup(struct isp_device *isp) -{ - kfree(isp->isp_af.priv); - kfree(isp->isp_af.recover_priv); - omap3isp_stat_cleanup(&isp->isp_af); -} diff --git a/drivers/media/video/omap3isp/isphist.c b/drivers/media/video/omap3isp/isphist.c deleted file mode 100644 index d1a8dee5e1ca..000000000000 --- a/drivers/media/video/omap3isp/isphist.c +++ /dev/null @@ -1,518 +0,0 @@ -/* - * isphist.c - * - * TI OMAP3 ISP - Histogram module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: David Cohen <dacohen@gmail.com> - * Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <linux/delay.h> -#include <linux/slab.h> -#include <linux/uaccess.h> -#include <linux/device.h> - -#include "isp.h" -#include "ispreg.h" -#include "isphist.h" - -#define HIST_CONFIG_DMA 1 - -#define HIST_USING_DMA(hist) ((hist)->dma_ch >= 0) - -/* - * hist_reset_mem - clear Histogram memory before start stats engine. - */ -static void hist_reset_mem(struct ispstat *hist) -{ - struct isp_device *isp = hist->isp; - struct omap3isp_hist_config *conf = hist->priv; - unsigned int i; - - isp_reg_writel(isp, 0, OMAP3_ISP_IOMEM_HIST, ISPHIST_ADDR); - - /* - * By setting it, the histogram internal buffer is being cleared at the - * same time it's being read. This bit must be cleared afterwards. - */ - isp_reg_set(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT, ISPHIST_CNT_CLEAR); - - /* - * We'll clear 4 words at each iteration for optimization. It avoids - * 3/4 of the jumps. We also know HIST_MEM_SIZE is divisible by 4. - */ - for (i = OMAP3ISP_HIST_MEM_SIZE / 4; i > 0; i--) { - isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA); - isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA); - isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA); - isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA); - } - isp_reg_clr(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT, ISPHIST_CNT_CLEAR); - - hist->wait_acc_frames = conf->num_acc_frames; -} - -static void hist_dma_config(struct ispstat *hist) -{ - hist->dma_config.data_type = OMAP_DMA_DATA_TYPE_S32; - hist->dma_config.sync_mode = OMAP_DMA_SYNC_ELEMENT; - hist->dma_config.frame_count = 1; - hist->dma_config.src_amode = OMAP_DMA_AMODE_CONSTANT; - hist->dma_config.src_start = OMAP3ISP_HIST_REG_BASE + ISPHIST_DATA; - hist->dma_config.dst_amode = OMAP_DMA_AMODE_POST_INC; - hist->dma_config.src_or_dst_synch = OMAP_DMA_SRC_SYNC; -} - -/* - * hist_setup_regs - Helper function to update Histogram registers. - */ -static void hist_setup_regs(struct ispstat *hist, void *priv) -{ - struct isp_device *isp = hist->isp; - struct omap3isp_hist_config *conf = priv; - int c; - u32 cnt; - u32 wb_gain; - u32 reg_hor[OMAP3ISP_HIST_MAX_REGIONS]; - u32 reg_ver[OMAP3ISP_HIST_MAX_REGIONS]; - - if (!hist->update || hist->state == ISPSTAT_DISABLED || - hist->state == ISPSTAT_DISABLING) - return; - - cnt = conf->cfa << ISPHIST_CNT_CFA_SHIFT; - - wb_gain = conf->wg[0] << ISPHIST_WB_GAIN_WG00_SHIFT; - wb_gain |= conf->wg[1] << ISPHIST_WB_GAIN_WG01_SHIFT; - wb_gain |= conf->wg[2] << ISPHIST_WB_GAIN_WG02_SHIFT; - if (conf->cfa == OMAP3ISP_HIST_CFA_BAYER) - wb_gain |= conf->wg[3] << ISPHIST_WB_GAIN_WG03_SHIFT; - - /* Regions size and position */ - for (c = 0; c < OMAP3ISP_HIST_MAX_REGIONS; c++) { - if (c < conf->num_regions) { - reg_hor[c] = conf->region[c].h_start << - ISPHIST_REG_START_SHIFT; - reg_hor[c] = conf->region[c].h_end << - ISPHIST_REG_END_SHIFT; - reg_ver[c] = conf->region[c].v_start << - ISPHIST_REG_START_SHIFT; - reg_ver[c] = conf->region[c].v_end << - ISPHIST_REG_END_SHIFT; - } else { - reg_hor[c] = 0; - reg_ver[c] = 0; - } - } - - cnt |= conf->hist_bins << ISPHIST_CNT_BINS_SHIFT; - switch (conf->hist_bins) { - case OMAP3ISP_HIST_BINS_256: - cnt |= (ISPHIST_IN_BIT_WIDTH_CCDC - 8) << - ISPHIST_CNT_SHIFT_SHIFT; - break; - case OMAP3ISP_HIST_BINS_128: - cnt |= (ISPHIST_IN_BIT_WIDTH_CCDC - 7) << - ISPHIST_CNT_SHIFT_SHIFT; - break; - case OMAP3ISP_HIST_BINS_64: - cnt |= (ISPHIST_IN_BIT_WIDTH_CCDC - 6) << - ISPHIST_CNT_SHIFT_SHIFT; - break; - default: /* OMAP3ISP_HIST_BINS_32 */ - cnt |= (ISPHIST_IN_BIT_WIDTH_CCDC - 5) << - ISPHIST_CNT_SHIFT_SHIFT; - break; - } - - hist_reset_mem(hist); - - isp_reg_writel(isp, cnt, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT); - isp_reg_writel(isp, wb_gain, OMAP3_ISP_IOMEM_HIST, ISPHIST_WB_GAIN); - isp_reg_writel(isp, reg_hor[0], OMAP3_ISP_IOMEM_HIST, ISPHIST_R0_HORZ); - isp_reg_writel(isp, reg_ver[0], OMAP3_ISP_IOMEM_HIST, ISPHIST_R0_VERT); - isp_reg_writel(isp, reg_hor[1], OMAP3_ISP_IOMEM_HIST, ISPHIST_R1_HORZ); - isp_reg_writel(isp, reg_ver[1], OMAP3_ISP_IOMEM_HIST, ISPHIST_R1_VERT); - isp_reg_writel(isp, reg_hor[2], OMAP3_ISP_IOMEM_HIST, ISPHIST_R2_HORZ); - isp_reg_writel(isp, reg_ver[2], OMAP3_ISP_IOMEM_HIST, ISPHIST_R2_VERT); - isp_reg_writel(isp, reg_hor[3], OMAP3_ISP_IOMEM_HIST, ISPHIST_R3_HORZ); - isp_reg_writel(isp, reg_ver[3], OMAP3_ISP_IOMEM_HIST, ISPHIST_R3_VERT); - - hist->update = 0; - hist->config_counter += hist->inc_config; - hist->inc_config = 0; - hist->buf_size = conf->buf_size; -} - -static void hist_enable(struct ispstat *hist, int enable) -{ - if (enable) { - isp_reg_set(hist->isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_PCR, - ISPHIST_PCR_ENABLE); - omap3isp_subclk_enable(hist->isp, OMAP3_ISP_SUBCLK_HIST); - } else { - isp_reg_clr(hist->isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_PCR, - ISPHIST_PCR_ENABLE); - omap3isp_subclk_disable(hist->isp, OMAP3_ISP_SUBCLK_HIST); - } -} - -static int hist_busy(struct ispstat *hist) -{ - return isp_reg_readl(hist->isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_PCR) - & ISPHIST_PCR_BUSY; -} - -static void hist_dma_cb(int lch, u16 ch_status, void *data) -{ - struct ispstat *hist = data; - - if (ch_status & ~OMAP_DMA_BLOCK_IRQ) { - dev_dbg(hist->isp->dev, "hist: DMA error. status = 0x%04x\n", - ch_status); - omap_stop_dma(lch); - hist_reset_mem(hist); - atomic_set(&hist->buf_err, 1); - } - isp_reg_clr(hist->isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT, - ISPHIST_CNT_CLEAR); - - omap3isp_stat_dma_isr(hist); - if (hist->state != ISPSTAT_DISABLED) - omap3isp_hist_dma_done(hist->isp); -} - -static int hist_buf_dma(struct ispstat *hist) -{ - dma_addr_t dma_addr = hist->active_buf->dma_addr; - - if (unlikely(!dma_addr)) { - dev_dbg(hist->isp->dev, "hist: invalid DMA buffer address\n"); - hist_reset_mem(hist); - return STAT_NO_BUF; - } - - isp_reg_writel(hist->isp, 0, OMAP3_ISP_IOMEM_HIST, ISPHIST_ADDR); - isp_reg_set(hist->isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT, - ISPHIST_CNT_CLEAR); - omap3isp_flush(hist->isp); - hist->dma_config.dst_start = dma_addr; - hist->dma_config.elem_count = hist->buf_size / sizeof(u32); - omap_set_dma_params(hist->dma_ch, &hist->dma_config); - - omap_start_dma(hist->dma_ch); - - return STAT_BUF_WAITING_DMA; -} - -static int hist_buf_pio(struct ispstat *hist) -{ - struct isp_device *isp = hist->isp; - u32 *buf = hist->active_buf->virt_addr; - unsigned int i; - - if (!buf) { - dev_dbg(isp->dev, "hist: invalid PIO buffer address\n"); - hist_reset_mem(hist); - return STAT_NO_BUF; - } - - isp_reg_writel(isp, 0, OMAP3_ISP_IOMEM_HIST, ISPHIST_ADDR); - - /* - * By setting it, the histogram internal buffer is being cleared at the - * same time it's being read. This bit must be cleared just after all - * data is acquired. - */ - isp_reg_set(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT, ISPHIST_CNT_CLEAR); - - /* - * We'll read 4 times a 4-bytes-word at each iteration for - * optimization. It avoids 3/4 of the jumps. We also know buf_size is - * divisible by 16. - */ - for (i = hist->buf_size / 16; i > 0; i--) { - *buf++ = isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA); - *buf++ = isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA); - *buf++ = isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA); - *buf++ = isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA); - } - isp_reg_clr(hist->isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT, - ISPHIST_CNT_CLEAR); - - return STAT_BUF_DONE; -} - -/* - * hist_buf_process - Callback from ISP driver for HIST interrupt. - */ -static int hist_buf_process(struct ispstat *hist) -{ - struct omap3isp_hist_config *user_cfg = hist->priv; - int ret; - - if (atomic_read(&hist->buf_err) || hist->state != ISPSTAT_ENABLED) { - hist_reset_mem(hist); - return STAT_NO_BUF; - } - - if (--(hist->wait_acc_frames)) - return STAT_NO_BUF; - - if (HIST_USING_DMA(hist)) - ret = hist_buf_dma(hist); - else - ret = hist_buf_pio(hist); - - hist->wait_acc_frames = user_cfg->num_acc_frames; - - return ret; -} - -static u32 hist_get_buf_size(struct omap3isp_hist_config *conf) -{ - return OMAP3ISP_HIST_MEM_SIZE_BINS(conf->hist_bins) * conf->num_regions; -} - -/* - * hist_validate_params - Helper function to check user given params. - * @user_cfg: Pointer to user configuration structure. - * - * Returns 0 on success configuration. - */ -static int hist_validate_params(struct ispstat *hist, void *new_conf) -{ - struct omap3isp_hist_config *user_cfg = new_conf; - int c; - u32 buf_size; - - if (user_cfg->cfa > OMAP3ISP_HIST_CFA_FOVEONX3) - return -EINVAL; - - /* Regions size and position */ - - if ((user_cfg->num_regions < OMAP3ISP_HIST_MIN_REGIONS) || - (user_cfg->num_regions > OMAP3ISP_HIST_MAX_REGIONS)) - return -EINVAL; - - /* Regions */ - for (c = 0; c < user_cfg->num_regions; c++) { - if (user_cfg->region[c].h_start & ~ISPHIST_REG_START_END_MASK) - return -EINVAL; - if (user_cfg->region[c].h_end & ~ISPHIST_REG_START_END_MASK) - return -EINVAL; - if (user_cfg->region[c].v_start & ~ISPHIST_REG_START_END_MASK) - return -EINVAL; - if (user_cfg->region[c].v_end & ~ISPHIST_REG_START_END_MASK) - return -EINVAL; - if (user_cfg->region[c].h_start > user_cfg->region[c].h_end) - return -EINVAL; - if (user_cfg->region[c].v_start > user_cfg->region[c].v_end) - return -EINVAL; - } - - switch (user_cfg->num_regions) { - case 1: - if (user_cfg->hist_bins > OMAP3ISP_HIST_BINS_256) - return -EINVAL; - break; - case 2: - if (user_cfg->hist_bins > OMAP3ISP_HIST_BINS_128) - return -EINVAL; - break; - default: /* 3 or 4 */ - if (user_cfg->hist_bins > OMAP3ISP_HIST_BINS_64) - return -EINVAL; - break; - } - - buf_size = hist_get_buf_size(user_cfg); - if (buf_size > user_cfg->buf_size) - /* User's buf_size request wasn't enoght */ - user_cfg->buf_size = buf_size; - else if (user_cfg->buf_size > OMAP3ISP_HIST_MAX_BUF_SIZE) - user_cfg->buf_size = OMAP3ISP_HIST_MAX_BUF_SIZE; - - return 0; -} - -static int hist_comp_params(struct ispstat *hist, - struct omap3isp_hist_config *user_cfg) -{ - struct omap3isp_hist_config *cur_cfg = hist->priv; - int c; - - if (cur_cfg->cfa != user_cfg->cfa) - return 1; - - if (cur_cfg->num_acc_frames != user_cfg->num_acc_frames) - return 1; - - if (cur_cfg->hist_bins != user_cfg->hist_bins) - return 1; - - for (c = 0; c < OMAP3ISP_HIST_MAX_WG; c++) { - if (c == 3 && user_cfg->cfa == OMAP3ISP_HIST_CFA_FOVEONX3) - break; - else if (cur_cfg->wg[c] != user_cfg->wg[c]) - return 1; - } - - if (cur_cfg->num_regions != user_cfg->num_regions) - return 1; - - /* Regions */ - for (c = 0; c < user_cfg->num_regions; c++) { - if (cur_cfg->region[c].h_start != user_cfg->region[c].h_start) - return 1; - if (cur_cfg->region[c].h_end != user_cfg->region[c].h_end) - return 1; - if (cur_cfg->region[c].v_start != user_cfg->region[c].v_start) - return 1; - if (cur_cfg->region[c].v_end != user_cfg->region[c].v_end) - return 1; - } - - return 0; -} - -/* - * hist_update_params - Helper function to check and store user given params. - * @new_conf: Pointer to user configuration structure. - */ -static void hist_set_params(struct ispstat *hist, void *new_conf) -{ - struct omap3isp_hist_config *user_cfg = new_conf; - struct omap3isp_hist_config *cur_cfg = hist->priv; - - if (!hist->configured || hist_comp_params(hist, user_cfg)) { - memcpy(cur_cfg, user_cfg, sizeof(*user_cfg)); - if (user_cfg->num_acc_frames == 0) - user_cfg->num_acc_frames = 1; - hist->inc_config++; - hist->update = 1; - /* - * User might be asked for a bigger buffer than necessary for - * this configuration. In order to return the right amount of - * data during buffer request, let's calculate the size here - * instead of stick with user_cfg->buf_size. - */ - cur_cfg->buf_size = hist_get_buf_size(cur_cfg); - - } -} - -static long hist_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) -{ - struct ispstat *stat = v4l2_get_subdevdata(sd); - - switch (cmd) { - case VIDIOC_OMAP3ISP_HIST_CFG: - return omap3isp_stat_config(stat, arg); - case VIDIOC_OMAP3ISP_STAT_REQ: - return omap3isp_stat_request_statistics(stat, arg); - case VIDIOC_OMAP3ISP_STAT_EN: { - int *en = arg; - return omap3isp_stat_enable(stat, !!*en); - } - } - - return -ENOIOCTLCMD; - -} - -static const struct ispstat_ops hist_ops = { - .validate_params = hist_validate_params, - .set_params = hist_set_params, - .setup_regs = hist_setup_regs, - .enable = hist_enable, - .busy = hist_busy, - .buf_process = hist_buf_process, -}; - -static const struct v4l2_subdev_core_ops hist_subdev_core_ops = { - .ioctl = hist_ioctl, - .subscribe_event = omap3isp_stat_subscribe_event, - .unsubscribe_event = omap3isp_stat_unsubscribe_event, -}; - -static const struct v4l2_subdev_video_ops hist_subdev_video_ops = { - .s_stream = omap3isp_stat_s_stream, -}; - -static const struct v4l2_subdev_ops hist_subdev_ops = { - .core = &hist_subdev_core_ops, - .video = &hist_subdev_video_ops, -}; - -/* - * omap3isp_hist_init - Module Initialization. - */ -int omap3isp_hist_init(struct isp_device *isp) -{ - struct ispstat *hist = &isp->isp_hist; - struct omap3isp_hist_config *hist_cfg; - int ret = -1; - - hist_cfg = kzalloc(sizeof(*hist_cfg), GFP_KERNEL); - if (hist_cfg == NULL) - return -ENOMEM; - - memset(hist, 0, sizeof(*hist)); - if (HIST_CONFIG_DMA) - ret = omap_request_dma(OMAP24XX_DMA_NO_DEVICE, "DMA_ISP_HIST", - hist_dma_cb, hist, &hist->dma_ch); - if (ret) { - if (HIST_CONFIG_DMA) - dev_warn(isp->dev, "hist: DMA request channel failed. " - "Using PIO only.\n"); - hist->dma_ch = -1; - } else { - dev_dbg(isp->dev, "hist: DMA channel = %d\n", hist->dma_ch); - hist_dma_config(hist); - omap_enable_dma_irq(hist->dma_ch, OMAP_DMA_BLOCK_IRQ); - } - - hist->ops = &hist_ops; - hist->priv = hist_cfg; - hist->event_type = V4L2_EVENT_OMAP3ISP_HIST; - hist->isp = isp; - - ret = omap3isp_stat_init(hist, "histogram", &hist_subdev_ops); - if (ret) { - kfree(hist_cfg); - if (HIST_USING_DMA(hist)) - omap_free_dma(hist->dma_ch); - } - - return ret; -} - -/* - * omap3isp_hist_cleanup - Module cleanup. - */ -void omap3isp_hist_cleanup(struct isp_device *isp) -{ - if (HIST_USING_DMA(&isp->isp_hist)) - omap_free_dma(isp->isp_hist.dma_ch); - kfree(isp->isp_hist.priv); - omap3isp_stat_cleanup(&isp->isp_hist); -} diff --git a/drivers/media/video/omap3isp/isphist.h b/drivers/media/video/omap3isp/isphist.h deleted file mode 100644 index 0b2a38ec94c4..000000000000 --- a/drivers/media/video/omap3isp/isphist.h +++ /dev/null @@ -1,40 +0,0 @@ -/* - * isphist.h - * - * TI OMAP3 ISP - Histogram module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: David Cohen <dacohen@gmail.com> - * Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef OMAP3_ISP_HIST_H -#define OMAP3_ISP_HIST_H - -#include <linux/omap3isp.h> - -#define ISPHIST_IN_BIT_WIDTH_CCDC 10 - -struct isp_device; - -int omap3isp_hist_init(struct isp_device *isp); -void omap3isp_hist_cleanup(struct isp_device *isp); - -#endif /* OMAP3_ISP_HIST */ diff --git a/drivers/media/video/omap3isp/isppreview.c b/drivers/media/video/omap3isp/isppreview.c deleted file mode 100644 index 1ae1c0909ed1..000000000000 --- a/drivers/media/video/omap3isp/isppreview.c +++ /dev/null @@ -1,2348 +0,0 @@ -/* - * isppreview.c - * - * TI OMAP3 ISP driver - Preview module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <linux/device.h> -#include <linux/mm.h> -#include <linux/module.h> -#include <linux/mutex.h> -#include <linux/uaccess.h> - -#include "isp.h" -#include "ispreg.h" -#include "isppreview.h" - -/* Default values in Office Fluorescent Light for RGBtoRGB Blending */ -static struct omap3isp_prev_rgbtorgb flr_rgb2rgb = { - { /* RGB-RGB Matrix */ - {0x01E2, 0x0F30, 0x0FEE}, - {0x0F9B, 0x01AC, 0x0FB9}, - {0x0FE0, 0x0EC0, 0x0260} - }, /* RGB Offset */ - {0x0000, 0x0000, 0x0000} -}; - -/* Default values in Office Fluorescent Light for RGB to YUV Conversion*/ -static struct omap3isp_prev_csc flr_prev_csc = { - { /* CSC Coef Matrix */ - {66, 129, 25}, - {-38, -75, 112}, - {112, -94 , -18} - }, /* CSC Offset */ - {0x0, 0x0, 0x0} -}; - -/* Default values in Office Fluorescent Light for CFA Gradient*/ -#define FLR_CFA_GRADTHRS_HORZ 0x28 -#define FLR_CFA_GRADTHRS_VERT 0x28 - -/* Default values in Office Fluorescent Light for Chroma Suppression*/ -#define FLR_CSUP_GAIN 0x0D -#define FLR_CSUP_THRES 0xEB - -/* Default values in Office Fluorescent Light for Noise Filter*/ -#define FLR_NF_STRGTH 0x03 - -/* Default values for White Balance */ -#define FLR_WBAL_DGAIN 0x100 -#define FLR_WBAL_COEF 0x20 - -/* Default values in Office Fluorescent Light for Black Adjustment*/ -#define FLR_BLKADJ_BLUE 0x0 -#define FLR_BLKADJ_GREEN 0x0 -#define FLR_BLKADJ_RED 0x0 - -#define DEF_DETECT_CORRECT_VAL 0xe - -/* - * Margins and image size limits. - * - * The preview engine crops several rows and columns internally depending on - * which filters are enabled. To avoid format changes when the filters are - * enabled or disabled (which would prevent them from being turned on or off - * during streaming), the driver assumes all the filters are enabled when - * computing sink crop and source format limits. - * - * If a filter is disabled, additional cropping is automatically added at the - * preview engine input by the driver to avoid overflow at line and frame end. - * This is completely transparent for applications. - * - * Median filter 4 pixels - * Noise filter, - * Faulty pixels correction 4 pixels, 4 lines - * CFA filter 4 pixels, 4 lines in Bayer mode - * 2 lines in other modes - * Color suppression 2 pixels - * or luma enhancement - * ------------------------------------------------------------- - * Maximum total 14 pixels, 8 lines - * - * The color suppression and luma enhancement filters are applied after bayer to - * YUV conversion. They thus can crop one pixel on the left and one pixel on the - * right side of the image without changing the color pattern. When both those - * filters are disabled, the driver must crop the two pixels on the same side of - * the image to avoid changing the bayer pattern. The left margin is thus set to - * 8 pixels and the right margin to 6 pixels. - */ - -#define PREV_MARGIN_LEFT 8 -#define PREV_MARGIN_RIGHT 6 -#define PREV_MARGIN_TOP 4 -#define PREV_MARGIN_BOTTOM 4 - -#define PREV_MIN_IN_WIDTH 64 -#define PREV_MIN_IN_HEIGHT 8 -#define PREV_MAX_IN_HEIGHT 16384 - -#define PREV_MIN_OUT_WIDTH 0 -#define PREV_MIN_OUT_HEIGHT 0 -#define PREV_MAX_OUT_WIDTH_REV_1 1280 -#define PREV_MAX_OUT_WIDTH_REV_2 3300 -#define PREV_MAX_OUT_WIDTH_REV_15 4096 - -/* - * Coeficient Tables for the submodules in Preview. - * Array is initialised with the values from.the tables text file. - */ - -/* - * CFA Filter Coefficient Table - * - */ -static u32 cfa_coef_table[4][OMAP3ISP_PREV_CFA_BLK_SIZE] = { -#include "cfa_coef_table.h" -}; - -/* - * Default Gamma Correction Table - All components - */ -static u32 gamma_table[] = { -#include "gamma_table.h" -}; - -/* - * Noise Filter Threshold table - */ -static u32 noise_filter_table[] = { -#include "noise_filter_table.h" -}; - -/* - * Luminance Enhancement Table - */ -static u32 luma_enhance_table[] = { -#include "luma_enhance_table.h" -}; - -/* - * preview_config_luma_enhancement - Configure the Luminance Enhancement table - */ -static void -preview_config_luma_enhancement(struct isp_prev_device *prev, - const struct prev_params *params) -{ - struct isp_device *isp = to_isp_device(prev); - const struct omap3isp_prev_luma *yt = ¶ms->luma; - unsigned int i; - - isp_reg_writel(isp, ISPPRV_YENH_TABLE_ADDR, - OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR); - for (i = 0; i < OMAP3ISP_PREV_YENH_TBL_SIZE; i++) { - isp_reg_writel(isp, yt->table[i], - OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_DATA); - } -} - -/* - * preview_enable_luma_enhancement - Enable/disable Luminance Enhancement - */ -static void -preview_enable_luma_enhancement(struct isp_prev_device *prev, bool enable) -{ - struct isp_device *isp = to_isp_device(prev); - - if (enable) - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_YNENHEN); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_YNENHEN); -} - -/* - * preview_enable_invalaw - Enable/disable Inverse A-Law decompression - */ -static void preview_enable_invalaw(struct isp_prev_device *prev, bool enable) -{ - struct isp_device *isp = to_isp_device(prev); - - if (enable) - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_WIDTH | ISPPRV_PCR_INVALAW); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_WIDTH | ISPPRV_PCR_INVALAW); -} - -/* - * preview_config_hmed - Configure the Horizontal Median Filter - */ -static void preview_config_hmed(struct isp_prev_device *prev, - const struct prev_params *params) -{ - struct isp_device *isp = to_isp_device(prev); - const struct omap3isp_prev_hmed *hmed = ¶ms->hmed; - - isp_reg_writel(isp, (hmed->odddist == 1 ? 0 : ISPPRV_HMED_ODDDIST) | - (hmed->evendist == 1 ? 0 : ISPPRV_HMED_EVENDIST) | - (hmed->thres << ISPPRV_HMED_THRESHOLD_SHIFT), - OMAP3_ISP_IOMEM_PREV, ISPPRV_HMED); -} - -/* - * preview_enable_hmed - Enable/disable the Horizontal Median Filter - */ -static void preview_enable_hmed(struct isp_prev_device *prev, bool enable) -{ - struct isp_device *isp = to_isp_device(prev); - - if (enable) - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_HMEDEN); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_HMEDEN); -} - -/* - * preview_config_cfa - Configure CFA Interpolation for Bayer formats - * - * The CFA table is organised in four blocks, one per Bayer component. The - * hardware expects blocks to follow the Bayer order of the input data, while - * the driver stores the table in GRBG order in memory. The blocks need to be - * reordered to support non-GRBG Bayer patterns. - */ -static void preview_config_cfa(struct isp_prev_device *prev, - const struct prev_params *params) -{ - static const unsigned int cfa_coef_order[4][4] = { - { 0, 1, 2, 3 }, /* GRBG */ - { 1, 0, 3, 2 }, /* RGGB */ - { 2, 3, 0, 1 }, /* BGGR */ - { 3, 2, 1, 0 }, /* GBRG */ - }; - const unsigned int *order = cfa_coef_order[prev->params.cfa_order]; - const struct omap3isp_prev_cfa *cfa = ¶ms->cfa; - struct isp_device *isp = to_isp_device(prev); - unsigned int i; - unsigned int j; - - isp_reg_writel(isp, - (cfa->gradthrs_vert << ISPPRV_CFA_GRADTH_VER_SHIFT) | - (cfa->gradthrs_horz << ISPPRV_CFA_GRADTH_HOR_SHIFT), - OMAP3_ISP_IOMEM_PREV, ISPPRV_CFA); - - isp_reg_writel(isp, ISPPRV_CFA_TABLE_ADDR, - OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR); - - for (i = 0; i < 4; ++i) { - const __u32 *block = cfa->table[order[i]]; - - for (j = 0; j < OMAP3ISP_PREV_CFA_BLK_SIZE; ++j) - isp_reg_writel(isp, block[j], OMAP3_ISP_IOMEM_PREV, - ISPPRV_SET_TBL_DATA); - } -} - -/* - * preview_config_chroma_suppression - Configure Chroma Suppression - */ -static void -preview_config_chroma_suppression(struct isp_prev_device *prev, - const struct prev_params *params) -{ - struct isp_device *isp = to_isp_device(prev); - const struct omap3isp_prev_csup *cs = ¶ms->csup; - - isp_reg_writel(isp, - cs->gain | (cs->thres << ISPPRV_CSUP_THRES_SHIFT) | - (cs->hypf_en << ISPPRV_CSUP_HPYF_SHIFT), - OMAP3_ISP_IOMEM_PREV, ISPPRV_CSUP); -} - -/* - * preview_enable_chroma_suppression - Enable/disable Chrominance Suppression - */ -static void -preview_enable_chroma_suppression(struct isp_prev_device *prev, bool enable) -{ - struct isp_device *isp = to_isp_device(prev); - - if (enable) - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_SUPEN); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_SUPEN); -} - -/* - * preview_config_whitebalance - Configure White Balance parameters - * - * Coefficient matrix always with default values. - */ -static void -preview_config_whitebalance(struct isp_prev_device *prev, - const struct prev_params *params) -{ - struct isp_device *isp = to_isp_device(prev); - const struct omap3isp_prev_wbal *wbal = ¶ms->wbal; - u32 val; - - isp_reg_writel(isp, wbal->dgain, OMAP3_ISP_IOMEM_PREV, ISPPRV_WB_DGAIN); - - val = wbal->coef0 << ISPPRV_WBGAIN_COEF0_SHIFT; - val |= wbal->coef1 << ISPPRV_WBGAIN_COEF1_SHIFT; - val |= wbal->coef2 << ISPPRV_WBGAIN_COEF2_SHIFT; - val |= wbal->coef3 << ISPPRV_WBGAIN_COEF3_SHIFT; - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_PREV, ISPPRV_WBGAIN); - - isp_reg_writel(isp, - ISPPRV_WBSEL_COEF0 << ISPPRV_WBSEL_N0_0_SHIFT | - ISPPRV_WBSEL_COEF1 << ISPPRV_WBSEL_N0_1_SHIFT | - ISPPRV_WBSEL_COEF0 << ISPPRV_WBSEL_N0_2_SHIFT | - ISPPRV_WBSEL_COEF1 << ISPPRV_WBSEL_N0_3_SHIFT | - ISPPRV_WBSEL_COEF2 << ISPPRV_WBSEL_N1_0_SHIFT | - ISPPRV_WBSEL_COEF3 << ISPPRV_WBSEL_N1_1_SHIFT | - ISPPRV_WBSEL_COEF2 << ISPPRV_WBSEL_N1_2_SHIFT | - ISPPRV_WBSEL_COEF3 << ISPPRV_WBSEL_N1_3_SHIFT | - ISPPRV_WBSEL_COEF0 << ISPPRV_WBSEL_N2_0_SHIFT | - ISPPRV_WBSEL_COEF1 << ISPPRV_WBSEL_N2_1_SHIFT | - ISPPRV_WBSEL_COEF0 << ISPPRV_WBSEL_N2_2_SHIFT | - ISPPRV_WBSEL_COEF1 << ISPPRV_WBSEL_N2_3_SHIFT | - ISPPRV_WBSEL_COEF2 << ISPPRV_WBSEL_N3_0_SHIFT | - ISPPRV_WBSEL_COEF3 << ISPPRV_WBSEL_N3_1_SHIFT | - ISPPRV_WBSEL_COEF2 << ISPPRV_WBSEL_N3_2_SHIFT | - ISPPRV_WBSEL_COEF3 << ISPPRV_WBSEL_N3_3_SHIFT, - OMAP3_ISP_IOMEM_PREV, ISPPRV_WBSEL); -} - -/* - * preview_config_blkadj - Configure Black Adjustment - */ -static void -preview_config_blkadj(struct isp_prev_device *prev, - const struct prev_params *params) -{ - struct isp_device *isp = to_isp_device(prev); - const struct omap3isp_prev_blkadj *blkadj = ¶ms->blkadj; - - isp_reg_writel(isp, (blkadj->blue << ISPPRV_BLKADJOFF_B_SHIFT) | - (blkadj->green << ISPPRV_BLKADJOFF_G_SHIFT) | - (blkadj->red << ISPPRV_BLKADJOFF_R_SHIFT), - OMAP3_ISP_IOMEM_PREV, ISPPRV_BLKADJOFF); -} - -/* - * preview_config_rgb_blending - Configure RGB-RGB Blending - */ -static void -preview_config_rgb_blending(struct isp_prev_device *prev, - const struct prev_params *params) -{ - struct isp_device *isp = to_isp_device(prev); - const struct omap3isp_prev_rgbtorgb *rgbrgb = ¶ms->rgb2rgb; - u32 val; - - val = (rgbrgb->matrix[0][0] & 0xfff) << ISPPRV_RGB_MAT1_MTX_RR_SHIFT; - val |= (rgbrgb->matrix[0][1] & 0xfff) << ISPPRV_RGB_MAT1_MTX_GR_SHIFT; - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT1); - - val = (rgbrgb->matrix[0][2] & 0xfff) << ISPPRV_RGB_MAT2_MTX_BR_SHIFT; - val |= (rgbrgb->matrix[1][0] & 0xfff) << ISPPRV_RGB_MAT2_MTX_RG_SHIFT; - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT2); - - val = (rgbrgb->matrix[1][1] & 0xfff) << ISPPRV_RGB_MAT3_MTX_GG_SHIFT; - val |= (rgbrgb->matrix[1][2] & 0xfff) << ISPPRV_RGB_MAT3_MTX_BG_SHIFT; - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT3); - - val = (rgbrgb->matrix[2][0] & 0xfff) << ISPPRV_RGB_MAT4_MTX_RB_SHIFT; - val |= (rgbrgb->matrix[2][1] & 0xfff) << ISPPRV_RGB_MAT4_MTX_GB_SHIFT; - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT4); - - val = (rgbrgb->matrix[2][2] & 0xfff) << ISPPRV_RGB_MAT5_MTX_BB_SHIFT; - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT5); - - val = (rgbrgb->offset[0] & 0x3ff) << ISPPRV_RGB_OFF1_MTX_OFFR_SHIFT; - val |= (rgbrgb->offset[1] & 0x3ff) << ISPPRV_RGB_OFF1_MTX_OFFG_SHIFT; - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_OFF1); - - val = (rgbrgb->offset[2] & 0x3ff) << ISPPRV_RGB_OFF2_MTX_OFFB_SHIFT; - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_OFF2); -} - -/* - * preview_config_csc - Configure Color Space Conversion (RGB to YCbYCr) - */ -static void -preview_config_csc(struct isp_prev_device *prev, - const struct prev_params *params) -{ - struct isp_device *isp = to_isp_device(prev); - const struct omap3isp_prev_csc *csc = ¶ms->csc; - u32 val; - - val = (csc->matrix[0][0] & 0x3ff) << ISPPRV_CSC0_RY_SHIFT; - val |= (csc->matrix[0][1] & 0x3ff) << ISPPRV_CSC0_GY_SHIFT; - val |= (csc->matrix[0][2] & 0x3ff) << ISPPRV_CSC0_BY_SHIFT; - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC0); - - val = (csc->matrix[1][0] & 0x3ff) << ISPPRV_CSC1_RCB_SHIFT; - val |= (csc->matrix[1][1] & 0x3ff) << ISPPRV_CSC1_GCB_SHIFT; - val |= (csc->matrix[1][2] & 0x3ff) << ISPPRV_CSC1_BCB_SHIFT; - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC1); - - val = (csc->matrix[2][0] & 0x3ff) << ISPPRV_CSC2_RCR_SHIFT; - val |= (csc->matrix[2][1] & 0x3ff) << ISPPRV_CSC2_GCR_SHIFT; - val |= (csc->matrix[2][2] & 0x3ff) << ISPPRV_CSC2_BCR_SHIFT; - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC2); - - val = (csc->offset[0] & 0xff) << ISPPRV_CSC_OFFSET_Y_SHIFT; - val |= (csc->offset[1] & 0xff) << ISPPRV_CSC_OFFSET_CB_SHIFT; - val |= (csc->offset[2] & 0xff) << ISPPRV_CSC_OFFSET_CR_SHIFT; - isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC_OFFSET); -} - -/* - * preview_config_yc_range - Configure the max and min Y and C values - */ -static void -preview_config_yc_range(struct isp_prev_device *prev, - const struct prev_params *params) -{ - struct isp_device *isp = to_isp_device(prev); - const struct omap3isp_prev_yclimit *yc = ¶ms->yclimit; - - isp_reg_writel(isp, - yc->maxC << ISPPRV_SETUP_YC_MAXC_SHIFT | - yc->maxY << ISPPRV_SETUP_YC_MAXY_SHIFT | - yc->minC << ISPPRV_SETUP_YC_MINC_SHIFT | - yc->minY << ISPPRV_SETUP_YC_MINY_SHIFT, - OMAP3_ISP_IOMEM_PREV, ISPPRV_SETUP_YC); -} - -/* - * preview_config_dcor - Configure Couplet Defect Correction - */ -static void -preview_config_dcor(struct isp_prev_device *prev, - const struct prev_params *params) -{ - struct isp_device *isp = to_isp_device(prev); - const struct omap3isp_prev_dcor *dcor = ¶ms->dcor; - - isp_reg_writel(isp, dcor->detect_correct[0], - OMAP3_ISP_IOMEM_PREV, ISPPRV_CDC_THR0); - isp_reg_writel(isp, dcor->detect_correct[1], - OMAP3_ISP_IOMEM_PREV, ISPPRV_CDC_THR1); - isp_reg_writel(isp, dcor->detect_correct[2], - OMAP3_ISP_IOMEM_PREV, ISPPRV_CDC_THR2); - isp_reg_writel(isp, dcor->detect_correct[3], - OMAP3_ISP_IOMEM_PREV, ISPPRV_CDC_THR3); - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_DCCOUP, - dcor->couplet_mode_en ? ISPPRV_PCR_DCCOUP : 0); -} - -/* - * preview_enable_dcor - Enable/disable Couplet Defect Correction - */ -static void preview_enable_dcor(struct isp_prev_device *prev, bool enable) -{ - struct isp_device *isp = to_isp_device(prev); - - if (enable) - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_DCOREN); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_DCOREN); -} - -/* - * preview_enable_drkframe_capture - Enable/disable Dark Frame Capture - */ -static void -preview_enable_drkframe_capture(struct isp_prev_device *prev, bool enable) -{ - struct isp_device *isp = to_isp_device(prev); - - if (enable) - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_DRKFCAP); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_DRKFCAP); -} - -/* - * preview_enable_drkframe - Enable/disable Dark Frame Subtraction - */ -static void preview_enable_drkframe(struct isp_prev_device *prev, bool enable) -{ - struct isp_device *isp = to_isp_device(prev); - - if (enable) - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_DRKFEN); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_DRKFEN); -} - -/* - * preview_config_noisefilter - Configure the Noise Filter - */ -static void -preview_config_noisefilter(struct isp_prev_device *prev, - const struct prev_params *params) -{ - struct isp_device *isp = to_isp_device(prev); - const struct omap3isp_prev_nf *nf = ¶ms->nf; - unsigned int i; - - isp_reg_writel(isp, nf->spread, OMAP3_ISP_IOMEM_PREV, ISPPRV_NF); - isp_reg_writel(isp, ISPPRV_NF_TABLE_ADDR, - OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR); - for (i = 0; i < OMAP3ISP_PREV_NF_TBL_SIZE; i++) { - isp_reg_writel(isp, nf->table[i], - OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_DATA); - } -} - -/* - * preview_enable_noisefilter - Enable/disable the Noise Filter - */ -static void -preview_enable_noisefilter(struct isp_prev_device *prev, bool enable) -{ - struct isp_device *isp = to_isp_device(prev); - - if (enable) - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_NFEN); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_NFEN); -} - -/* - * preview_config_gammacorrn - Configure the Gamma Correction tables - */ -static void -preview_config_gammacorrn(struct isp_prev_device *prev, - const struct prev_params *params) -{ - struct isp_device *isp = to_isp_device(prev); - const struct omap3isp_prev_gtables *gt = ¶ms->gamma; - unsigned int i; - - isp_reg_writel(isp, ISPPRV_REDGAMMA_TABLE_ADDR, - OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR); - for (i = 0; i < OMAP3ISP_PREV_GAMMA_TBL_SIZE; i++) - isp_reg_writel(isp, gt->red[i], OMAP3_ISP_IOMEM_PREV, - ISPPRV_SET_TBL_DATA); - - isp_reg_writel(isp, ISPPRV_GREENGAMMA_TABLE_ADDR, - OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR); - for (i = 0; i < OMAP3ISP_PREV_GAMMA_TBL_SIZE; i++) - isp_reg_writel(isp, gt->green[i], OMAP3_ISP_IOMEM_PREV, - ISPPRV_SET_TBL_DATA); - - isp_reg_writel(isp, ISPPRV_BLUEGAMMA_TABLE_ADDR, - OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR); - for (i = 0; i < OMAP3ISP_PREV_GAMMA_TBL_SIZE; i++) - isp_reg_writel(isp, gt->blue[i], OMAP3_ISP_IOMEM_PREV, - ISPPRV_SET_TBL_DATA); -} - -/* - * preview_enable_gammacorrn - Enable/disable Gamma Correction - * - * When gamma correction is disabled, the module is bypassed and its output is - * the 8 MSB of the 10-bit input . - */ -static void -preview_enable_gammacorrn(struct isp_prev_device *prev, bool enable) -{ - struct isp_device *isp = to_isp_device(prev); - - if (enable) - isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_GAMMA_BYPASS); - else - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_GAMMA_BYPASS); -} - -/* - * preview_config_contrast - Configure the Contrast - * - * Value should be programmed before enabling the module. - */ -static void -preview_config_contrast(struct isp_prev_device *prev, - const struct prev_params *params) -{ - struct isp_device *isp = to_isp_device(prev); - - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_CNT_BRT, - 0xff << ISPPRV_CNT_BRT_CNT_SHIFT, - params->contrast << ISPPRV_CNT_BRT_CNT_SHIFT); -} - -/* - * preview_config_brightness - Configure the Brightness - */ -static void -preview_config_brightness(struct isp_prev_device *prev, - const struct prev_params *params) -{ - struct isp_device *isp = to_isp_device(prev); - - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_CNT_BRT, - 0xff << ISPPRV_CNT_BRT_BRT_SHIFT, - params->brightness << ISPPRV_CNT_BRT_BRT_SHIFT); -} - -/* - * preview_update_contrast - Updates the contrast. - * @contrast: Pointer to hold the current programmed contrast value. - * - * Value should be programmed before enabling the module. - */ -static void -preview_update_contrast(struct isp_prev_device *prev, u8 contrast) -{ - struct prev_params *params; - unsigned long flags; - - spin_lock_irqsave(&prev->params.lock, flags); - params = (prev->params.active & OMAP3ISP_PREV_CONTRAST) - ? &prev->params.params[0] : &prev->params.params[1]; - - if (params->contrast != (contrast * ISPPRV_CONTRAST_UNITS)) { - params->contrast = contrast * ISPPRV_CONTRAST_UNITS; - params->update |= OMAP3ISP_PREV_CONTRAST; - } - spin_unlock_irqrestore(&prev->params.lock, flags); -} - -/* - * preview_update_brightness - Updates the brightness in preview module. - * @brightness: Pointer to hold the current programmed brightness value. - * - */ -static void -preview_update_brightness(struct isp_prev_device *prev, u8 brightness) -{ - struct prev_params *params; - unsigned long flags; - - spin_lock_irqsave(&prev->params.lock, flags); - params = (prev->params.active & OMAP3ISP_PREV_BRIGHTNESS) - ? &prev->params.params[0] : &prev->params.params[1]; - - if (params->brightness != (brightness * ISPPRV_BRIGHT_UNITS)) { - params->brightness = brightness * ISPPRV_BRIGHT_UNITS; - params->update |= OMAP3ISP_PREV_BRIGHTNESS; - } - spin_unlock_irqrestore(&prev->params.lock, flags); -} - -static u32 -preview_params_lock(struct isp_prev_device *prev, u32 update, bool shadow) -{ - u32 active = prev->params.active; - - if (shadow) { - /* Mark all shadow parameters we are going to touch as busy. */ - prev->params.params[0].busy |= ~active & update; - prev->params.params[1].busy |= active & update; - } else { - /* Mark all active parameters we are going to touch as busy. */ - update = (prev->params.params[0].update & active) - | (prev->params.params[1].update & ~active); - - prev->params.params[0].busy |= active & update; - prev->params.params[1].busy |= ~active & update; - } - - return update; -} - -static void -preview_params_unlock(struct isp_prev_device *prev, u32 update, bool shadow) -{ - u32 active = prev->params.active; - - if (shadow) { - /* Set the update flag for shadow parameters that have been - * updated and clear the busy flag for all shadow parameters. - */ - prev->params.params[0].update |= (~active & update); - prev->params.params[1].update |= (active & update); - prev->params.params[0].busy &= active; - prev->params.params[1].busy &= ~active; - } else { - /* Clear the update flag for active parameters that have been - * applied and the busy flag for all active parameters. - */ - prev->params.params[0].update &= ~(active & update); - prev->params.params[1].update &= ~(~active & update); - prev->params.params[0].busy &= ~active; - prev->params.params[1].busy &= active; - } -} - -static void preview_params_switch(struct isp_prev_device *prev) -{ - u32 to_switch; - - /* Switch active parameters with updated shadow parameters when the - * shadow parameter has been updated and neither the active not the - * shadow parameter is busy. - */ - to_switch = (prev->params.params[0].update & ~prev->params.active) - | (prev->params.params[1].update & prev->params.active); - to_switch &= ~(prev->params.params[0].busy | - prev->params.params[1].busy); - if (to_switch == 0) - return; - - prev->params.active ^= to_switch; - - /* Remove the update flag for the shadow copy of parameters we have - * switched. - */ - prev->params.params[0].update &= ~(~prev->params.active & to_switch); - prev->params.params[1].update &= ~(prev->params.active & to_switch); -} - -/* preview parameters update structure */ -struct preview_update { - void (*config)(struct isp_prev_device *, const struct prev_params *); - void (*enable)(struct isp_prev_device *, bool); - unsigned int param_offset; - unsigned int param_size; - unsigned int config_offset; - bool skip; -}; - -/* Keep the array indexed by the OMAP3ISP_PREV_* bit number. */ -static const struct preview_update update_attrs[] = { - /* OMAP3ISP_PREV_LUMAENH */ { - preview_config_luma_enhancement, - preview_enable_luma_enhancement, - offsetof(struct prev_params, luma), - FIELD_SIZEOF(struct prev_params, luma), - offsetof(struct omap3isp_prev_update_config, luma), - }, /* OMAP3ISP_PREV_INVALAW */ { - NULL, - preview_enable_invalaw, - }, /* OMAP3ISP_PREV_HRZ_MED */ { - preview_config_hmed, - preview_enable_hmed, - offsetof(struct prev_params, hmed), - FIELD_SIZEOF(struct prev_params, hmed), - offsetof(struct omap3isp_prev_update_config, hmed), - }, /* OMAP3ISP_PREV_CFA */ { - preview_config_cfa, - NULL, - offsetof(struct prev_params, cfa), - FIELD_SIZEOF(struct prev_params, cfa), - offsetof(struct omap3isp_prev_update_config, cfa), - }, /* OMAP3ISP_PREV_CHROMA_SUPP */ { - preview_config_chroma_suppression, - preview_enable_chroma_suppression, - offsetof(struct prev_params, csup), - FIELD_SIZEOF(struct prev_params, csup), - offsetof(struct omap3isp_prev_update_config, csup), - }, /* OMAP3ISP_PREV_WB */ { - preview_config_whitebalance, - NULL, - offsetof(struct prev_params, wbal), - FIELD_SIZEOF(struct prev_params, wbal), - offsetof(struct omap3isp_prev_update_config, wbal), - }, /* OMAP3ISP_PREV_BLKADJ */ { - preview_config_blkadj, - NULL, - offsetof(struct prev_params, blkadj), - FIELD_SIZEOF(struct prev_params, blkadj), - offsetof(struct omap3isp_prev_update_config, blkadj), - }, /* OMAP3ISP_PREV_RGB2RGB */ { - preview_config_rgb_blending, - NULL, - offsetof(struct prev_params, rgb2rgb), - FIELD_SIZEOF(struct prev_params, rgb2rgb), - offsetof(struct omap3isp_prev_update_config, rgb2rgb), - }, /* OMAP3ISP_PREV_COLOR_CONV */ { - preview_config_csc, - NULL, - offsetof(struct prev_params, csc), - FIELD_SIZEOF(struct prev_params, csc), - offsetof(struct omap3isp_prev_update_config, csc), - }, /* OMAP3ISP_PREV_YC_LIMIT */ { - preview_config_yc_range, - NULL, - offsetof(struct prev_params, yclimit), - FIELD_SIZEOF(struct prev_params, yclimit), - offsetof(struct omap3isp_prev_update_config, yclimit), - }, /* OMAP3ISP_PREV_DEFECT_COR */ { - preview_config_dcor, - preview_enable_dcor, - offsetof(struct prev_params, dcor), - FIELD_SIZEOF(struct prev_params, dcor), - offsetof(struct omap3isp_prev_update_config, dcor), - }, /* Previously OMAP3ISP_PREV_GAMMABYPASS, not used anymore */ { - NULL, - NULL, - }, /* OMAP3ISP_PREV_DRK_FRM_CAPTURE */ { - NULL, - preview_enable_drkframe_capture, - }, /* OMAP3ISP_PREV_DRK_FRM_SUBTRACT */ { - NULL, - preview_enable_drkframe, - }, /* OMAP3ISP_PREV_LENS_SHADING */ { - NULL, - preview_enable_drkframe, - }, /* OMAP3ISP_PREV_NF */ { - preview_config_noisefilter, - preview_enable_noisefilter, - offsetof(struct prev_params, nf), - FIELD_SIZEOF(struct prev_params, nf), - offsetof(struct omap3isp_prev_update_config, nf), - }, /* OMAP3ISP_PREV_GAMMA */ { - preview_config_gammacorrn, - preview_enable_gammacorrn, - offsetof(struct prev_params, gamma), - FIELD_SIZEOF(struct prev_params, gamma), - offsetof(struct omap3isp_prev_update_config, gamma), - }, /* OMAP3ISP_PREV_CONTRAST */ { - preview_config_contrast, - NULL, - 0, 0, 0, true, - }, /* OMAP3ISP_PREV_BRIGHTNESS */ { - preview_config_brightness, - NULL, - 0, 0, 0, true, - }, -}; - -/* - * preview_config - Copy and update local structure with userspace preview - * configuration. - * @prev: ISP preview engine - * @cfg: Configuration - * - * Return zero if success or -EFAULT if the configuration can't be copied from - * userspace. - */ -static int preview_config(struct isp_prev_device *prev, - struct omap3isp_prev_update_config *cfg) -{ - unsigned long flags; - unsigned int i; - int rval = 0; - u32 update; - u32 active; - - if (cfg->update == 0) - return 0; - - /* Mark the shadow parameters we're going to update as busy. */ - spin_lock_irqsave(&prev->params.lock, flags); - preview_params_lock(prev, cfg->update, true); - active = prev->params.active; - spin_unlock_irqrestore(&prev->params.lock, flags); - - update = 0; - - for (i = 0; i < ARRAY_SIZE(update_attrs); i++) { - const struct preview_update *attr = &update_attrs[i]; - struct prev_params *params; - unsigned int bit = 1 << i; - - if (attr->skip || !(cfg->update & bit)) - continue; - - params = &prev->params.params[!!(active & bit)]; - - if (cfg->flag & bit) { - void __user *from = *(void * __user *) - ((void *)cfg + attr->config_offset); - void *to = (void *)params + attr->param_offset; - size_t size = attr->param_size; - - if (to && from && size) { - if (copy_from_user(to, from, size)) { - rval = -EFAULT; - break; - } - } - params->features |= bit; - } else { - params->features &= ~bit; - } - - update |= bit; - } - - spin_lock_irqsave(&prev->params.lock, flags); - preview_params_unlock(prev, update, true); - preview_params_switch(prev); - spin_unlock_irqrestore(&prev->params.lock, flags); - - return rval; -} - -/* - * preview_setup_hw - Setup preview registers and/or internal memory - * @prev: pointer to preview private structure - * @update: Bitmask of parameters to setup - * @active: Bitmask of parameters active in set 0 - * Note: can be called from interrupt context - * Return none - */ -static void preview_setup_hw(struct isp_prev_device *prev, u32 update, - u32 active) -{ - unsigned int i; - u32 features; - - if (update == 0) - return; - - features = (prev->params.params[0].features & active) - | (prev->params.params[1].features & ~active); - - for (i = 0; i < ARRAY_SIZE(update_attrs); i++) { - const struct preview_update *attr = &update_attrs[i]; - struct prev_params *params; - unsigned int bit = 1 << i; - - if (!(update & bit)) - continue; - - params = &prev->params.params[!(active & bit)]; - - if (params->features & bit) { - if (attr->config) - attr->config(prev, params); - if (attr->enable) - attr->enable(prev, true); - } else { - if (attr->enable) - attr->enable(prev, false); - } - } -} - -/* - * preview_config_ycpos - Configure byte layout of YUV image. - * @mode: Indicates the required byte layout. - */ -static void -preview_config_ycpos(struct isp_prev_device *prev, - enum v4l2_mbus_pixelcode pixelcode) -{ - struct isp_device *isp = to_isp_device(prev); - enum preview_ycpos_mode mode; - - switch (pixelcode) { - case V4L2_MBUS_FMT_YUYV8_1X16: - mode = YCPOS_CrYCbY; - break; - case V4L2_MBUS_FMT_UYVY8_1X16: - mode = YCPOS_YCrYCb; - break; - default: - return; - } - - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_YCPOS_CrYCbY, - mode << ISPPRV_PCR_YCPOS_SHIFT); -} - -/* - * preview_config_averager - Enable / disable / configure averager - * @average: Average value to be configured. - */ -static void preview_config_averager(struct isp_prev_device *prev, u8 average) -{ - struct isp_device *isp = to_isp_device(prev); - - isp_reg_writel(isp, ISPPRV_AVE_EVENDIST_2 << ISPPRV_AVE_EVENDIST_SHIFT | - ISPPRV_AVE_ODDDIST_2 << ISPPRV_AVE_ODDDIST_SHIFT | - average, OMAP3_ISP_IOMEM_PREV, ISPPRV_AVE); -} - - -/* - * preview_config_input_format - Configure the input format - * @prev: The preview engine - * @format: Format on the preview engine sink pad - * - * Enable and configure CFA interpolation for Bayer formats and disable it for - * greyscale formats. - * - * The CFA table is organised in four blocks, one per Bayer component. The - * hardware expects blocks to follow the Bayer order of the input data, while - * the driver stores the table in GRBG order in memory. The blocks need to be - * reordered to support non-GRBG Bayer patterns. - */ -static void preview_config_input_format(struct isp_prev_device *prev, - const struct v4l2_mbus_framefmt *format) -{ - struct isp_device *isp = to_isp_device(prev); - struct prev_params *params; - - switch (format->code) { - case V4L2_MBUS_FMT_SGRBG10_1X10: - prev->params.cfa_order = 0; - break; - case V4L2_MBUS_FMT_SRGGB10_1X10: - prev->params.cfa_order = 1; - break; - case V4L2_MBUS_FMT_SBGGR10_1X10: - prev->params.cfa_order = 2; - break; - case V4L2_MBUS_FMT_SGBRG10_1X10: - prev->params.cfa_order = 3; - break; - default: - /* Disable CFA for non-Bayer formats. */ - isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_CFAEN); - return; - } - - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, ISPPRV_PCR_CFAEN); - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_CFAFMT_MASK, ISPPRV_PCR_CFAFMT_BAYER); - - params = (prev->params.active & OMAP3ISP_PREV_CFA) - ? &prev->params.params[0] : &prev->params.params[1]; - - preview_config_cfa(prev, params); -} - -/* - * preview_config_input_size - Configure the input frame size - * - * The preview engine crops several rows and columns internally depending on - * which processing blocks are enabled. The driver assumes all those blocks are - * enabled when reporting source pad formats to userspace. If this assumption is - * not true, rows and columns must be manually cropped at the preview engine - * input to avoid overflows at the end of lines and frames. - * - * See the explanation at the PREV_MARGIN_* definitions for more details. - */ -static void preview_config_input_size(struct isp_prev_device *prev, u32 active) -{ - const struct v4l2_mbus_framefmt *format = &prev->formats[PREV_PAD_SINK]; - struct isp_device *isp = to_isp_device(prev); - unsigned int sph = prev->crop.left; - unsigned int eph = prev->crop.left + prev->crop.width - 1; - unsigned int slv = prev->crop.top; - unsigned int elv = prev->crop.top + prev->crop.height - 1; - u32 features; - - if (format->code != V4L2_MBUS_FMT_Y10_1X10) { - sph -= 2; - eph += 2; - slv -= 2; - elv += 2; - } - - features = (prev->params.params[0].features & active) - | (prev->params.params[1].features & ~active); - - if (features & (OMAP3ISP_PREV_DEFECT_COR | OMAP3ISP_PREV_NF)) { - sph -= 2; - eph += 2; - slv -= 2; - elv += 2; - } - if (features & OMAP3ISP_PREV_HRZ_MED) { - sph -= 2; - eph += 2; - } - if (features & (OMAP3ISP_PREV_CHROMA_SUPP | OMAP3ISP_PREV_LUMAENH)) - sph -= 2; - - isp_reg_writel(isp, (sph << ISPPRV_HORZ_INFO_SPH_SHIFT) | eph, - OMAP3_ISP_IOMEM_PREV, ISPPRV_HORZ_INFO); - isp_reg_writel(isp, (slv << ISPPRV_VERT_INFO_SLV_SHIFT) | elv, - OMAP3_ISP_IOMEM_PREV, ISPPRV_VERT_INFO); -} - -/* - * preview_config_inlineoffset - Configures the Read address line offset. - * @prev: Preview module - * @offset: Line offset - * - * According to the TRM, the line offset must be aligned on a 32 bytes boundary. - * However, a hardware bug requires the memory start address to be aligned on a - * 64 bytes boundary, so the offset probably should be aligned on 64 bytes as - * well. - */ -static void -preview_config_inlineoffset(struct isp_prev_device *prev, u32 offset) -{ - struct isp_device *isp = to_isp_device(prev); - - isp_reg_writel(isp, offset & 0xffff, OMAP3_ISP_IOMEM_PREV, - ISPPRV_RADR_OFFSET); -} - -/* - * preview_set_inaddr - Sets memory address of input frame. - * @addr: 32bit memory address aligned on 32byte boundary. - * - * Configures the memory address from which the input frame is to be read. - */ -static void preview_set_inaddr(struct isp_prev_device *prev, u32 addr) -{ - struct isp_device *isp = to_isp_device(prev); - - isp_reg_writel(isp, addr, OMAP3_ISP_IOMEM_PREV, ISPPRV_RSDR_ADDR); -} - -/* - * preview_config_outlineoffset - Configures the Write address line offset. - * @offset: Line Offset for the preview output. - * - * The offset must be a multiple of 32 bytes. - */ -static void preview_config_outlineoffset(struct isp_prev_device *prev, - u32 offset) -{ - struct isp_device *isp = to_isp_device(prev); - - isp_reg_writel(isp, offset & 0xffff, OMAP3_ISP_IOMEM_PREV, - ISPPRV_WADD_OFFSET); -} - -/* - * preview_set_outaddr - Sets the memory address to store output frame - * @addr: 32bit memory address aligned on 32byte boundary. - * - * Configures the memory address to which the output frame is written. - */ -static void preview_set_outaddr(struct isp_prev_device *prev, u32 addr) -{ - struct isp_device *isp = to_isp_device(prev); - - isp_reg_writel(isp, addr, OMAP3_ISP_IOMEM_PREV, ISPPRV_WSDR_ADDR); -} - -static void preview_adjust_bandwidth(struct isp_prev_device *prev) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&prev->subdev.entity); - struct isp_device *isp = to_isp_device(prev); - const struct v4l2_mbus_framefmt *ifmt = &prev->formats[PREV_PAD_SINK]; - unsigned long l3_ick = pipe->l3_ick; - struct v4l2_fract *timeperframe; - unsigned int cycles_per_frame; - unsigned int requests_per_frame; - unsigned int cycles_per_request; - unsigned int minimum; - unsigned int maximum; - unsigned int value; - - if (prev->input != PREVIEW_INPUT_MEMORY) { - isp_reg_clr(isp, OMAP3_ISP_IOMEM_SBL, ISPSBL_SDR_REQ_EXP, - ISPSBL_SDR_REQ_PRV_EXP_MASK); - return; - } - - /* Compute the minimum number of cycles per request, based on the - * pipeline maximum data rate. This is an absolute lower bound if we - * don't want SBL overflows, so round the value up. - */ - cycles_per_request = div_u64((u64)l3_ick / 2 * 256 + pipe->max_rate - 1, - pipe->max_rate); - minimum = DIV_ROUND_UP(cycles_per_request, 32); - - /* Compute the maximum number of cycles per request, based on the - * requested frame rate. This is a soft upper bound to achieve a frame - * rate equal or higher than the requested value, so round the value - * down. - */ - timeperframe = &pipe->max_timeperframe; - - requests_per_frame = DIV_ROUND_UP(ifmt->width * 2, 256) * ifmt->height; - cycles_per_frame = div_u64((u64)l3_ick * timeperframe->numerator, - timeperframe->denominator); - cycles_per_request = cycles_per_frame / requests_per_frame; - - maximum = cycles_per_request / 32; - - value = max(minimum, maximum); - - dev_dbg(isp->dev, "%s: cycles per request = %u\n", __func__, value); - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_SBL, ISPSBL_SDR_REQ_EXP, - ISPSBL_SDR_REQ_PRV_EXP_MASK, - value << ISPSBL_SDR_REQ_PRV_EXP_SHIFT); -} - -/* - * omap3isp_preview_busy - Gets busy state of preview module. - */ -int omap3isp_preview_busy(struct isp_prev_device *prev) -{ - struct isp_device *isp = to_isp_device(prev); - - return isp_reg_readl(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR) - & ISPPRV_PCR_BUSY; -} - -/* - * omap3isp_preview_restore_context - Restores the values of preview registers - */ -void omap3isp_preview_restore_context(struct isp_device *isp) -{ - struct isp_prev_device *prev = &isp->isp_prev; - const u32 update = OMAP3ISP_PREV_FEATURES_END - 1; - - prev->params.params[0].update = prev->params.active & update; - prev->params.params[1].update = ~prev->params.active & update; - - preview_setup_hw(prev, update, prev->params.active); - - prev->params.params[0].update = 0; - prev->params.params[1].update = 0; -} - -/* - * preview_print_status - Dump preview module registers to the kernel log - */ -#define PREV_PRINT_REGISTER(isp, name)\ - dev_dbg(isp->dev, "###PRV " #name "=0x%08x\n", \ - isp_reg_readl(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_##name)) - -static void preview_print_status(struct isp_prev_device *prev) -{ - struct isp_device *isp = to_isp_device(prev); - - dev_dbg(isp->dev, "-------------Preview Register dump----------\n"); - - PREV_PRINT_REGISTER(isp, PCR); - PREV_PRINT_REGISTER(isp, HORZ_INFO); - PREV_PRINT_REGISTER(isp, VERT_INFO); - PREV_PRINT_REGISTER(isp, RSDR_ADDR); - PREV_PRINT_REGISTER(isp, RADR_OFFSET); - PREV_PRINT_REGISTER(isp, DSDR_ADDR); - PREV_PRINT_REGISTER(isp, DRKF_OFFSET); - PREV_PRINT_REGISTER(isp, WSDR_ADDR); - PREV_PRINT_REGISTER(isp, WADD_OFFSET); - PREV_PRINT_REGISTER(isp, AVE); - PREV_PRINT_REGISTER(isp, HMED); - PREV_PRINT_REGISTER(isp, NF); - PREV_PRINT_REGISTER(isp, WB_DGAIN); - PREV_PRINT_REGISTER(isp, WBGAIN); - PREV_PRINT_REGISTER(isp, WBSEL); - PREV_PRINT_REGISTER(isp, CFA); - PREV_PRINT_REGISTER(isp, BLKADJOFF); - PREV_PRINT_REGISTER(isp, RGB_MAT1); - PREV_PRINT_REGISTER(isp, RGB_MAT2); - PREV_PRINT_REGISTER(isp, RGB_MAT3); - PREV_PRINT_REGISTER(isp, RGB_MAT4); - PREV_PRINT_REGISTER(isp, RGB_MAT5); - PREV_PRINT_REGISTER(isp, RGB_OFF1); - PREV_PRINT_REGISTER(isp, RGB_OFF2); - PREV_PRINT_REGISTER(isp, CSC0); - PREV_PRINT_REGISTER(isp, CSC1); - PREV_PRINT_REGISTER(isp, CSC2); - PREV_PRINT_REGISTER(isp, CSC_OFFSET); - PREV_PRINT_REGISTER(isp, CNT_BRT); - PREV_PRINT_REGISTER(isp, CSUP); - PREV_PRINT_REGISTER(isp, SETUP_YC); - PREV_PRINT_REGISTER(isp, SET_TBL_ADDR); - PREV_PRINT_REGISTER(isp, CDC_THR0); - PREV_PRINT_REGISTER(isp, CDC_THR1); - PREV_PRINT_REGISTER(isp, CDC_THR2); - PREV_PRINT_REGISTER(isp, CDC_THR3); - - dev_dbg(isp->dev, "--------------------------------------------\n"); -} - -/* - * preview_init_params - init image processing parameters. - * @prev: pointer to previewer private structure - */ -static void preview_init_params(struct isp_prev_device *prev) -{ - struct prev_params *params; - unsigned int i; - - spin_lock_init(&prev->params.lock); - - prev->params.active = ~0; - prev->params.params[0].busy = 0; - prev->params.params[0].update = OMAP3ISP_PREV_FEATURES_END - 1; - prev->params.params[1].busy = 0; - prev->params.params[1].update = 0; - - params = &prev->params.params[0]; - - /* Init values */ - params->contrast = ISPPRV_CONTRAST_DEF * ISPPRV_CONTRAST_UNITS; - params->brightness = ISPPRV_BRIGHT_DEF * ISPPRV_BRIGHT_UNITS; - params->cfa.format = OMAP3ISP_CFAFMT_BAYER; - memcpy(params->cfa.table, cfa_coef_table, - sizeof(params->cfa.table)); - params->cfa.gradthrs_horz = FLR_CFA_GRADTHRS_HORZ; - params->cfa.gradthrs_vert = FLR_CFA_GRADTHRS_VERT; - params->csup.gain = FLR_CSUP_GAIN; - params->csup.thres = FLR_CSUP_THRES; - params->csup.hypf_en = 0; - memcpy(params->luma.table, luma_enhance_table, - sizeof(params->luma.table)); - params->nf.spread = FLR_NF_STRGTH; - memcpy(params->nf.table, noise_filter_table, sizeof(params->nf.table)); - params->dcor.couplet_mode_en = 1; - for (i = 0; i < OMAP3ISP_PREV_DETECT_CORRECT_CHANNELS; i++) - params->dcor.detect_correct[i] = DEF_DETECT_CORRECT_VAL; - memcpy(params->gamma.blue, gamma_table, sizeof(params->gamma.blue)); - memcpy(params->gamma.green, gamma_table, sizeof(params->gamma.green)); - memcpy(params->gamma.red, gamma_table, sizeof(params->gamma.red)); - params->wbal.dgain = FLR_WBAL_DGAIN; - params->wbal.coef0 = FLR_WBAL_COEF; - params->wbal.coef1 = FLR_WBAL_COEF; - params->wbal.coef2 = FLR_WBAL_COEF; - params->wbal.coef3 = FLR_WBAL_COEF; - params->blkadj.red = FLR_BLKADJ_RED; - params->blkadj.green = FLR_BLKADJ_GREEN; - params->blkadj.blue = FLR_BLKADJ_BLUE; - params->rgb2rgb = flr_rgb2rgb; - params->csc = flr_prev_csc; - params->yclimit.minC = ISPPRV_YC_MIN; - params->yclimit.maxC = ISPPRV_YC_MAX; - params->yclimit.minY = ISPPRV_YC_MIN; - params->yclimit.maxY = ISPPRV_YC_MAX; - - params->features = OMAP3ISP_PREV_CFA | OMAP3ISP_PREV_DEFECT_COR - | OMAP3ISP_PREV_NF | OMAP3ISP_PREV_GAMMA - | OMAP3ISP_PREV_BLKADJ | OMAP3ISP_PREV_YC_LIMIT - | OMAP3ISP_PREV_RGB2RGB | OMAP3ISP_PREV_COLOR_CONV - | OMAP3ISP_PREV_WB | OMAP3ISP_PREV_BRIGHTNESS - | OMAP3ISP_PREV_CONTRAST; -} - -/* - * preview_max_out_width - Handle previewer hardware ouput limitations - * @isp_revision : ISP revision - * returns maximum width output for current isp revision - */ -static unsigned int preview_max_out_width(struct isp_prev_device *prev) -{ - struct isp_device *isp = to_isp_device(prev); - - switch (isp->revision) { - case ISP_REVISION_1_0: - return PREV_MAX_OUT_WIDTH_REV_1; - - case ISP_REVISION_2_0: - default: - return PREV_MAX_OUT_WIDTH_REV_2; - - case ISP_REVISION_15_0: - return PREV_MAX_OUT_WIDTH_REV_15; - } -} - -static void preview_configure(struct isp_prev_device *prev) -{ - struct isp_device *isp = to_isp_device(prev); - struct v4l2_mbus_framefmt *format; - unsigned long flags; - u32 update; - u32 active; - - spin_lock_irqsave(&prev->params.lock, flags); - /* Mark all active parameters we are going to touch as busy. */ - update = preview_params_lock(prev, 0, false); - active = prev->params.active; - spin_unlock_irqrestore(&prev->params.lock, flags); - - /* PREV_PAD_SINK */ - format = &prev->formats[PREV_PAD_SINK]; - - preview_adjust_bandwidth(prev); - - preview_config_input_format(prev, format); - preview_config_input_size(prev, active); - - if (prev->input == PREVIEW_INPUT_CCDC) - preview_config_inlineoffset(prev, 0); - else - preview_config_inlineoffset(prev, - ALIGN(format->width, 0x20) * 2); - - preview_setup_hw(prev, update, active); - - /* PREV_PAD_SOURCE */ - format = &prev->formats[PREV_PAD_SOURCE]; - - if (prev->output & PREVIEW_OUTPUT_MEMORY) - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_SDRPORT); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_SDRPORT); - - if (prev->output & PREVIEW_OUTPUT_RESIZER) - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_RSZPORT); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_RSZPORT); - - if (prev->output & PREVIEW_OUTPUT_MEMORY) - preview_config_outlineoffset(prev, - ALIGN(format->width, 0x10) * 2); - - preview_config_averager(prev, 0); - preview_config_ycpos(prev, format->code); - - spin_lock_irqsave(&prev->params.lock, flags); - preview_params_unlock(prev, update, false); - spin_unlock_irqrestore(&prev->params.lock, flags); -} - -/* ----------------------------------------------------------------------------- - * Interrupt handling - */ - -static void preview_enable_oneshot(struct isp_prev_device *prev) -{ - struct isp_device *isp = to_isp_device(prev); - - /* The PCR.SOURCE bit is automatically reset to 0 when the PCR.ENABLE - * bit is set. As the preview engine is used in single-shot mode, we - * need to set PCR.SOURCE before enabling the preview engine. - */ - if (prev->input == PREVIEW_INPUT_MEMORY) - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_SOURCE); - - isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_EN | ISPPRV_PCR_ONESHOT); -} - -void omap3isp_preview_isr_frame_sync(struct isp_prev_device *prev) -{ - /* - * If ISP_VIDEO_DMAQUEUE_QUEUED is set, DMA queue had an underrun - * condition, the module was paused and now we have a buffer queued - * on the output again. Restart the pipeline if running in continuous - * mode. - */ - if (prev->state == ISP_PIPELINE_STREAM_CONTINUOUS && - prev->video_out.dmaqueue_flags & ISP_VIDEO_DMAQUEUE_QUEUED) { - preview_enable_oneshot(prev); - isp_video_dmaqueue_flags_clr(&prev->video_out); - } -} - -static void preview_isr_buffer(struct isp_prev_device *prev) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&prev->subdev.entity); - struct isp_buffer *buffer; - int restart = 0; - - if (prev->input == PREVIEW_INPUT_MEMORY) { - buffer = omap3isp_video_buffer_next(&prev->video_in); - if (buffer != NULL) - preview_set_inaddr(prev, buffer->isp_addr); - pipe->state |= ISP_PIPELINE_IDLE_INPUT; - } - - if (prev->output & PREVIEW_OUTPUT_MEMORY) { - buffer = omap3isp_video_buffer_next(&prev->video_out); - if (buffer != NULL) { - preview_set_outaddr(prev, buffer->isp_addr); - restart = 1; - } - pipe->state |= ISP_PIPELINE_IDLE_OUTPUT; - } - - switch (prev->state) { - case ISP_PIPELINE_STREAM_SINGLESHOT: - if (isp_pipeline_ready(pipe)) - omap3isp_pipeline_set_stream(pipe, - ISP_PIPELINE_STREAM_SINGLESHOT); - break; - - case ISP_PIPELINE_STREAM_CONTINUOUS: - /* If an underrun occurs, the video queue operation handler will - * restart the preview engine. Otherwise restart it immediately. - */ - if (restart) - preview_enable_oneshot(prev); - break; - - case ISP_PIPELINE_STREAM_STOPPED: - default: - return; - } -} - -/* - * omap3isp_preview_isr - ISP preview engine interrupt handler - * - * Manage the preview engine video buffers and configure shadowed registers. - */ -void omap3isp_preview_isr(struct isp_prev_device *prev) -{ - unsigned long flags; - u32 update; - u32 active; - - if (omap3isp_module_sync_is_stopping(&prev->wait, &prev->stopping)) - return; - - spin_lock_irqsave(&prev->params.lock, flags); - preview_params_switch(prev); - update = preview_params_lock(prev, 0, false); - active = prev->params.active; - spin_unlock_irqrestore(&prev->params.lock, flags); - - preview_setup_hw(prev, update, active); - preview_config_input_size(prev, active); - - if (prev->input == PREVIEW_INPUT_MEMORY || - prev->output & PREVIEW_OUTPUT_MEMORY) - preview_isr_buffer(prev); - else if (prev->state == ISP_PIPELINE_STREAM_CONTINUOUS) - preview_enable_oneshot(prev); - - spin_lock_irqsave(&prev->params.lock, flags); - preview_params_unlock(prev, update, false); - spin_unlock_irqrestore(&prev->params.lock, flags); -} - -/* ----------------------------------------------------------------------------- - * ISP video operations - */ - -static int preview_video_queue(struct isp_video *video, - struct isp_buffer *buffer) -{ - struct isp_prev_device *prev = &video->isp->isp_prev; - - if (video->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) - preview_set_inaddr(prev, buffer->isp_addr); - - if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - preview_set_outaddr(prev, buffer->isp_addr); - - return 0; -} - -static const struct isp_video_operations preview_video_ops = { - .queue = preview_video_queue, -}; - -/* ----------------------------------------------------------------------------- - * V4L2 subdev operations - */ - -/* - * preview_s_ctrl - Handle set control subdev method - * @ctrl: pointer to v4l2 control structure - */ -static int preview_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct isp_prev_device *prev = - container_of(ctrl->handler, struct isp_prev_device, ctrls); - - switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - preview_update_brightness(prev, ctrl->val); - break; - case V4L2_CID_CONTRAST: - preview_update_contrast(prev, ctrl->val); - break; - } - - return 0; -} - -static const struct v4l2_ctrl_ops preview_ctrl_ops = { - .s_ctrl = preview_s_ctrl, -}; - -/* - * preview_ioctl - Handle preview module private ioctl's - * @prev: pointer to preview context structure - * @cmd: configuration command - * @arg: configuration argument - * return -EINVAL or zero on success - */ -static long preview_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) -{ - struct isp_prev_device *prev = v4l2_get_subdevdata(sd); - - switch (cmd) { - case VIDIOC_OMAP3ISP_PRV_CFG: - return preview_config(prev, arg); - - default: - return -ENOIOCTLCMD; - } -} - -/* - * preview_set_stream - Enable/Disable streaming on preview subdev - * @sd : pointer to v4l2 subdev structure - * @enable: 1 == Enable, 0 == Disable - * return -EINVAL or zero on success - */ -static int preview_set_stream(struct v4l2_subdev *sd, int enable) -{ - struct isp_prev_device *prev = v4l2_get_subdevdata(sd); - struct isp_video *video_out = &prev->video_out; - struct isp_device *isp = to_isp_device(prev); - struct device *dev = to_device(prev); - - if (prev->state == ISP_PIPELINE_STREAM_STOPPED) { - if (enable == ISP_PIPELINE_STREAM_STOPPED) - return 0; - - omap3isp_subclk_enable(isp, OMAP3_ISP_SUBCLK_PREVIEW); - preview_configure(prev); - atomic_set(&prev->stopping, 0); - preview_print_status(prev); - } - - switch (enable) { - case ISP_PIPELINE_STREAM_CONTINUOUS: - if (prev->output & PREVIEW_OUTPUT_MEMORY) - omap3isp_sbl_enable(isp, OMAP3_ISP_SBL_PREVIEW_WRITE); - - if (video_out->dmaqueue_flags & ISP_VIDEO_DMAQUEUE_QUEUED || - !(prev->output & PREVIEW_OUTPUT_MEMORY)) - preview_enable_oneshot(prev); - - isp_video_dmaqueue_flags_clr(video_out); - break; - - case ISP_PIPELINE_STREAM_SINGLESHOT: - if (prev->input == PREVIEW_INPUT_MEMORY) - omap3isp_sbl_enable(isp, OMAP3_ISP_SBL_PREVIEW_READ); - if (prev->output & PREVIEW_OUTPUT_MEMORY) - omap3isp_sbl_enable(isp, OMAP3_ISP_SBL_PREVIEW_WRITE); - - preview_enable_oneshot(prev); - break; - - case ISP_PIPELINE_STREAM_STOPPED: - if (omap3isp_module_sync_idle(&sd->entity, &prev->wait, - &prev->stopping)) - dev_dbg(dev, "%s: stop timeout.\n", sd->name); - omap3isp_sbl_disable(isp, OMAP3_ISP_SBL_PREVIEW_READ); - omap3isp_sbl_disable(isp, OMAP3_ISP_SBL_PREVIEW_WRITE); - omap3isp_subclk_disable(isp, OMAP3_ISP_SUBCLK_PREVIEW); - isp_video_dmaqueue_flags_clr(video_out); - break; - } - - prev->state = enable; - return 0; -} - -static struct v4l2_mbus_framefmt * -__preview_get_format(struct isp_prev_device *prev, struct v4l2_subdev_fh *fh, - unsigned int pad, enum v4l2_subdev_format_whence which) -{ - if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_get_try_format(fh, pad); - else - return &prev->formats[pad]; -} - -static struct v4l2_rect * -__preview_get_crop(struct isp_prev_device *prev, struct v4l2_subdev_fh *fh, - enum v4l2_subdev_format_whence which) -{ - if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_get_try_crop(fh, PREV_PAD_SINK); - else - return &prev->crop; -} - -/* previewer format descriptions */ -static const unsigned int preview_input_fmts[] = { - V4L2_MBUS_FMT_Y10_1X10, - V4L2_MBUS_FMT_SGRBG10_1X10, - V4L2_MBUS_FMT_SRGGB10_1X10, - V4L2_MBUS_FMT_SBGGR10_1X10, - V4L2_MBUS_FMT_SGBRG10_1X10, -}; - -static const unsigned int preview_output_fmts[] = { - V4L2_MBUS_FMT_UYVY8_1X16, - V4L2_MBUS_FMT_YUYV8_1X16, -}; - -/* - * preview_try_format - Validate a format - * @prev: ISP preview engine - * @fh: V4L2 subdev file handle - * @pad: pad number - * @fmt: format to be validated - * @which: try/active format selector - * - * Validate and adjust the given format for the given pad based on the preview - * engine limits and the format and crop rectangles on other pads. - */ -static void preview_try_format(struct isp_prev_device *prev, - struct v4l2_subdev_fh *fh, unsigned int pad, - struct v4l2_mbus_framefmt *fmt, - enum v4l2_subdev_format_whence which) -{ - enum v4l2_mbus_pixelcode pixelcode; - struct v4l2_rect *crop; - unsigned int i; - - switch (pad) { - case PREV_PAD_SINK: - /* When reading data from the CCDC, the input size has already - * been mangled by the CCDC output pad so it can be accepted - * as-is. - * - * When reading data from memory, clamp the requested width and - * height. The TRM doesn't specify a minimum input height, make - * sure we got enough lines to enable the noise filter and color - * filter array interpolation. - */ - if (prev->input == PREVIEW_INPUT_MEMORY) { - fmt->width = clamp_t(u32, fmt->width, PREV_MIN_IN_WIDTH, - preview_max_out_width(prev)); - fmt->height = clamp_t(u32, fmt->height, - PREV_MIN_IN_HEIGHT, - PREV_MAX_IN_HEIGHT); - } - - fmt->colorspace = V4L2_COLORSPACE_SRGB; - - for (i = 0; i < ARRAY_SIZE(preview_input_fmts); i++) { - if (fmt->code == preview_input_fmts[i]) - break; - } - - /* If not found, use SGRBG10 as default */ - if (i >= ARRAY_SIZE(preview_input_fmts)) - fmt->code = V4L2_MBUS_FMT_SGRBG10_1X10; - break; - - case PREV_PAD_SOURCE: - pixelcode = fmt->code; - *fmt = *__preview_get_format(prev, fh, PREV_PAD_SINK, which); - - switch (pixelcode) { - case V4L2_MBUS_FMT_YUYV8_1X16: - case V4L2_MBUS_FMT_UYVY8_1X16: - fmt->code = pixelcode; - break; - - default: - fmt->code = V4L2_MBUS_FMT_YUYV8_1X16; - break; - } - - /* The preview module output size is configurable through the - * averager (horizontal scaling by 1/1, 1/2, 1/4 or 1/8). This - * is not supported yet, hardcode the output size to the crop - * rectangle size. - */ - crop = __preview_get_crop(prev, fh, which); - fmt->width = crop->width; - fmt->height = crop->height; - - fmt->colorspace = V4L2_COLORSPACE_JPEG; - break; - } - - fmt->field = V4L2_FIELD_NONE; -} - -/* - * preview_try_crop - Validate a crop rectangle - * @prev: ISP preview engine - * @sink: format on the sink pad - * @crop: crop rectangle to be validated - * - * The preview engine crops lines and columns for its internal operation, - * depending on which filters are enabled. Enforce minimum crop margins to - * handle that transparently for userspace. - * - * See the explanation at the PREV_MARGIN_* definitions for more details. - */ -static void preview_try_crop(struct isp_prev_device *prev, - const struct v4l2_mbus_framefmt *sink, - struct v4l2_rect *crop) -{ - unsigned int left = PREV_MARGIN_LEFT; - unsigned int right = sink->width - PREV_MARGIN_RIGHT; - unsigned int top = PREV_MARGIN_TOP; - unsigned int bottom = sink->height - PREV_MARGIN_BOTTOM; - - /* When processing data on-the-fly from the CCDC, at least 2 pixels must - * be cropped from the left and right sides of the image. As we don't - * know which filters will be enabled, increase the left and right - * margins by two. - */ - if (prev->input == PREVIEW_INPUT_CCDC) { - left += 2; - right -= 2; - } - - /* Restrict left/top to even values to keep the Bayer pattern. */ - crop->left &= ~1; - crop->top &= ~1; - - crop->left = clamp_t(u32, crop->left, left, right - PREV_MIN_OUT_WIDTH); - crop->top = clamp_t(u32, crop->top, top, bottom - PREV_MIN_OUT_HEIGHT); - crop->width = clamp_t(u32, crop->width, PREV_MIN_OUT_WIDTH, - right - crop->left); - crop->height = clamp_t(u32, crop->height, PREV_MIN_OUT_HEIGHT, - bottom - crop->top); -} - -/* - * preview_enum_mbus_code - Handle pixel format enumeration - * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @code : pointer to v4l2_subdev_mbus_code_enum structure - * return -EINVAL or zero on success - */ -static int preview_enum_mbus_code(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_mbus_code_enum *code) -{ - switch (code->pad) { - case PREV_PAD_SINK: - if (code->index >= ARRAY_SIZE(preview_input_fmts)) - return -EINVAL; - - code->code = preview_input_fmts[code->index]; - break; - case PREV_PAD_SOURCE: - if (code->index >= ARRAY_SIZE(preview_output_fmts)) - return -EINVAL; - - code->code = preview_output_fmts[code->index]; - break; - default: - return -EINVAL; - } - - return 0; -} - -static int preview_enum_frame_size(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_frame_size_enum *fse) -{ - struct isp_prev_device *prev = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt format; - - if (fse->index != 0) - return -EINVAL; - - format.code = fse->code; - format.width = 1; - format.height = 1; - preview_try_format(prev, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); - fse->min_width = format.width; - fse->min_height = format.height; - - if (format.code != fse->code) - return -EINVAL; - - format.code = fse->code; - format.width = -1; - format.height = -1; - preview_try_format(prev, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); - fse->max_width = format.width; - fse->max_height = format.height; - - return 0; -} - -/* - * preview_get_selection - Retrieve a selection rectangle on a pad - * @sd: ISP preview V4L2 subdevice - * @fh: V4L2 subdev file handle - * @sel: Selection rectangle - * - * The only supported rectangles are the crop rectangles on the sink pad. - * - * Return 0 on success or a negative error code otherwise. - */ -static int preview_get_selection(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_selection *sel) -{ - struct isp_prev_device *prev = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - if (sel->pad != PREV_PAD_SINK) - return -EINVAL; - - switch (sel->target) { - case V4L2_SEL_TGT_CROP_BOUNDS: - sel->r.left = 0; - sel->r.top = 0; - sel->r.width = INT_MAX; - sel->r.height = INT_MAX; - - format = __preview_get_format(prev, fh, PREV_PAD_SINK, - sel->which); - preview_try_crop(prev, format, &sel->r); - break; - - case V4L2_SEL_TGT_CROP: - sel->r = *__preview_get_crop(prev, fh, sel->which); - break; - - default: - return -EINVAL; - } - - return 0; -} - -/* - * preview_set_selection - Set a selection rectangle on a pad - * @sd: ISP preview V4L2 subdevice - * @fh: V4L2 subdev file handle - * @sel: Selection rectangle - * - * The only supported rectangle is the actual crop rectangle on the sink pad. - * - * Return 0 on success or a negative error code otherwise. - */ -static int preview_set_selection(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_selection *sel) -{ - struct isp_prev_device *prev = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - if (sel->target != V4L2_SEL_TGT_CROP || - sel->pad != PREV_PAD_SINK) - return -EINVAL; - - /* The crop rectangle can't be changed while streaming. */ - if (prev->state != ISP_PIPELINE_STREAM_STOPPED) - return -EBUSY; - - /* Modifying the crop rectangle always changes the format on the source - * pad. If the KEEP_CONFIG flag is set, just return the current crop - * rectangle. - */ - if (sel->flags & V4L2_SEL_FLAG_KEEP_CONFIG) { - sel->r = *__preview_get_crop(prev, fh, sel->which); - return 0; - } - - format = __preview_get_format(prev, fh, PREV_PAD_SINK, sel->which); - preview_try_crop(prev, format, &sel->r); - *__preview_get_crop(prev, fh, sel->which) = sel->r; - - /* Update the source format. */ - format = __preview_get_format(prev, fh, PREV_PAD_SOURCE, sel->which); - preview_try_format(prev, fh, PREV_PAD_SOURCE, format, sel->which); - - return 0; -} - -/* - * preview_get_format - Handle get format by pads subdev method - * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @fmt: pointer to v4l2 subdev format structure - * return -EINVAL or zero on success - */ -static int preview_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_format *fmt) -{ - struct isp_prev_device *prev = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - format = __preview_get_format(prev, fh, fmt->pad, fmt->which); - if (format == NULL) - return -EINVAL; - - fmt->format = *format; - return 0; -} - -/* - * preview_set_format - Handle set format by pads subdev method - * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @fmt: pointer to v4l2 subdev format structure - * return -EINVAL or zero on success - */ -static int preview_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_format *fmt) -{ - struct isp_prev_device *prev = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - struct v4l2_rect *crop; - - format = __preview_get_format(prev, fh, fmt->pad, fmt->which); - if (format == NULL) - return -EINVAL; - - preview_try_format(prev, fh, fmt->pad, &fmt->format, fmt->which); - *format = fmt->format; - - /* Propagate the format from sink to source */ - if (fmt->pad == PREV_PAD_SINK) { - /* Reset the crop rectangle. */ - crop = __preview_get_crop(prev, fh, fmt->which); - crop->left = 0; - crop->top = 0; - crop->width = fmt->format.width; - crop->height = fmt->format.height; - - preview_try_crop(prev, &fmt->format, crop); - - /* Update the source format. */ - format = __preview_get_format(prev, fh, PREV_PAD_SOURCE, - fmt->which); - preview_try_format(prev, fh, PREV_PAD_SOURCE, format, - fmt->which); - } - - return 0; -} - -/* - * preview_init_formats - Initialize formats on all pads - * @sd: ISP preview V4L2 subdevice - * @fh: V4L2 subdev file handle - * - * Initialize all pad formats with default values. If fh is not NULL, try - * formats are initialized on the file handle. Otherwise active formats are - * initialized on the device. - */ -static int preview_init_formats(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh) -{ - struct v4l2_subdev_format format; - - memset(&format, 0, sizeof(format)); - format.pad = PREV_PAD_SINK; - format.which = fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; - format.format.code = V4L2_MBUS_FMT_SGRBG10_1X10; - format.format.width = 4096; - format.format.height = 4096; - preview_set_format(sd, fh, &format); - - return 0; -} - -/* subdev core operations */ -static const struct v4l2_subdev_core_ops preview_v4l2_core_ops = { - .ioctl = preview_ioctl, -}; - -/* subdev video operations */ -static const struct v4l2_subdev_video_ops preview_v4l2_video_ops = { - .s_stream = preview_set_stream, -}; - -/* subdev pad operations */ -static const struct v4l2_subdev_pad_ops preview_v4l2_pad_ops = { - .enum_mbus_code = preview_enum_mbus_code, - .enum_frame_size = preview_enum_frame_size, - .get_fmt = preview_get_format, - .set_fmt = preview_set_format, - .get_selection = preview_get_selection, - .set_selection = preview_set_selection, -}; - -/* subdev operations */ -static const struct v4l2_subdev_ops preview_v4l2_ops = { - .core = &preview_v4l2_core_ops, - .video = &preview_v4l2_video_ops, - .pad = &preview_v4l2_pad_ops, -}; - -/* subdev internal operations */ -static const struct v4l2_subdev_internal_ops preview_v4l2_internal_ops = { - .open = preview_init_formats, -}; - -/* ----------------------------------------------------------------------------- - * Media entity operations - */ - -/* - * preview_link_setup - Setup previewer connections. - * @entity : Pointer to media entity structure - * @local : Pointer to local pad array - * @remote : Pointer to remote pad array - * @flags : Link flags - * return -EINVAL or zero on success - */ -static int preview_link_setup(struct media_entity *entity, - const struct media_pad *local, - const struct media_pad *remote, u32 flags) -{ - struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); - struct isp_prev_device *prev = v4l2_get_subdevdata(sd); - - switch (local->index | media_entity_type(remote->entity)) { - case PREV_PAD_SINK | MEDIA_ENT_T_DEVNODE: - /* read from memory */ - if (flags & MEDIA_LNK_FL_ENABLED) { - if (prev->input == PREVIEW_INPUT_CCDC) - return -EBUSY; - prev->input = PREVIEW_INPUT_MEMORY; - } else { - if (prev->input == PREVIEW_INPUT_MEMORY) - prev->input = PREVIEW_INPUT_NONE; - } - break; - - case PREV_PAD_SINK | MEDIA_ENT_T_V4L2_SUBDEV: - /* read from ccdc */ - if (flags & MEDIA_LNK_FL_ENABLED) { - if (prev->input == PREVIEW_INPUT_MEMORY) - return -EBUSY; - prev->input = PREVIEW_INPUT_CCDC; - } else { - if (prev->input == PREVIEW_INPUT_CCDC) - prev->input = PREVIEW_INPUT_NONE; - } - break; - - /* - * The ISP core doesn't support pipelines with multiple video outputs. - * Revisit this when it will be implemented, and return -EBUSY for now. - */ - - case PREV_PAD_SOURCE | MEDIA_ENT_T_DEVNODE: - /* write to memory */ - if (flags & MEDIA_LNK_FL_ENABLED) { - if (prev->output & ~PREVIEW_OUTPUT_MEMORY) - return -EBUSY; - prev->output |= PREVIEW_OUTPUT_MEMORY; - } else { - prev->output &= ~PREVIEW_OUTPUT_MEMORY; - } - break; - - case PREV_PAD_SOURCE | MEDIA_ENT_T_V4L2_SUBDEV: - /* write to resizer */ - if (flags & MEDIA_LNK_FL_ENABLED) { - if (prev->output & ~PREVIEW_OUTPUT_RESIZER) - return -EBUSY; - prev->output |= PREVIEW_OUTPUT_RESIZER; - } else { - prev->output &= ~PREVIEW_OUTPUT_RESIZER; - } - break; - - default: - return -EINVAL; - } - - return 0; -} - -/* media operations */ -static const struct media_entity_operations preview_media_ops = { - .link_setup = preview_link_setup, - .link_validate = v4l2_subdev_link_validate, -}; - -void omap3isp_preview_unregister_entities(struct isp_prev_device *prev) -{ - v4l2_device_unregister_subdev(&prev->subdev); - omap3isp_video_unregister(&prev->video_in); - omap3isp_video_unregister(&prev->video_out); -} - -int omap3isp_preview_register_entities(struct isp_prev_device *prev, - struct v4l2_device *vdev) -{ - int ret; - - /* Register the subdev and video nodes. */ - ret = v4l2_device_register_subdev(vdev, &prev->subdev); - if (ret < 0) - goto error; - - ret = omap3isp_video_register(&prev->video_in, vdev); - if (ret < 0) - goto error; - - ret = omap3isp_video_register(&prev->video_out, vdev); - if (ret < 0) - goto error; - - return 0; - -error: - omap3isp_preview_unregister_entities(prev); - return ret; -} - -/* ----------------------------------------------------------------------------- - * ISP previewer initialisation and cleanup - */ - -/* - * preview_init_entities - Initialize subdev and media entity. - * @prev : Pointer to preview structure - * return -ENOMEM or zero on success - */ -static int preview_init_entities(struct isp_prev_device *prev) -{ - struct v4l2_subdev *sd = &prev->subdev; - struct media_pad *pads = prev->pads; - struct media_entity *me = &sd->entity; - int ret; - - prev->input = PREVIEW_INPUT_NONE; - - v4l2_subdev_init(sd, &preview_v4l2_ops); - sd->internal_ops = &preview_v4l2_internal_ops; - strlcpy(sd->name, "OMAP3 ISP preview", sizeof(sd->name)); - sd->grp_id = 1 << 16; /* group ID for isp subdevs */ - v4l2_set_subdevdata(sd, prev); - sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - - v4l2_ctrl_handler_init(&prev->ctrls, 2); - v4l2_ctrl_new_std(&prev->ctrls, &preview_ctrl_ops, V4L2_CID_BRIGHTNESS, - ISPPRV_BRIGHT_LOW, ISPPRV_BRIGHT_HIGH, - ISPPRV_BRIGHT_STEP, ISPPRV_BRIGHT_DEF); - v4l2_ctrl_new_std(&prev->ctrls, &preview_ctrl_ops, V4L2_CID_CONTRAST, - ISPPRV_CONTRAST_LOW, ISPPRV_CONTRAST_HIGH, - ISPPRV_CONTRAST_STEP, ISPPRV_CONTRAST_DEF); - v4l2_ctrl_handler_setup(&prev->ctrls); - sd->ctrl_handler = &prev->ctrls; - - pads[PREV_PAD_SINK].flags = MEDIA_PAD_FL_SINK; - pads[PREV_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; - - me->ops = &preview_media_ops; - ret = media_entity_init(me, PREV_PADS_NUM, pads, 0); - if (ret < 0) - return ret; - - preview_init_formats(sd, NULL); - - /* According to the OMAP34xx TRM, video buffers need to be aligned on a - * 32 bytes boundary. However, an undocumented hardware bug requires a - * 64 bytes boundary at the preview engine input. - */ - prev->video_in.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - prev->video_in.ops = &preview_video_ops; - prev->video_in.isp = to_isp_device(prev); - prev->video_in.capture_mem = PAGE_ALIGN(4096 * 4096) * 2 * 3; - prev->video_in.bpl_alignment = 64; - prev->video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - prev->video_out.ops = &preview_video_ops; - prev->video_out.isp = to_isp_device(prev); - prev->video_out.capture_mem = PAGE_ALIGN(4096 * 4096) * 2 * 3; - prev->video_out.bpl_alignment = 32; - - ret = omap3isp_video_init(&prev->video_in, "preview"); - if (ret < 0) - goto error_video_in; - - ret = omap3isp_video_init(&prev->video_out, "preview"); - if (ret < 0) - goto error_video_out; - - /* Connect the video nodes to the previewer subdev. */ - ret = media_entity_create_link(&prev->video_in.video.entity, 0, - &prev->subdev.entity, PREV_PAD_SINK, 0); - if (ret < 0) - goto error_link; - - ret = media_entity_create_link(&prev->subdev.entity, PREV_PAD_SOURCE, - &prev->video_out.video.entity, 0, 0); - if (ret < 0) - goto error_link; - - return 0; - -error_link: - omap3isp_video_cleanup(&prev->video_out); -error_video_out: - omap3isp_video_cleanup(&prev->video_in); -error_video_in: - media_entity_cleanup(&prev->subdev.entity); - return ret; -} - -/* - * omap3isp_preview_init - Previewer initialization. - * @dev : Pointer to ISP device - * return -ENOMEM or zero on success - */ -int omap3isp_preview_init(struct isp_device *isp) -{ - struct isp_prev_device *prev = &isp->isp_prev; - - init_waitqueue_head(&prev->wait); - - preview_init_params(prev); - - return preview_init_entities(prev); -} - -void omap3isp_preview_cleanup(struct isp_device *isp) -{ - struct isp_prev_device *prev = &isp->isp_prev; - - v4l2_ctrl_handler_free(&prev->ctrls); - omap3isp_video_cleanup(&prev->video_in); - omap3isp_video_cleanup(&prev->video_out); - media_entity_cleanup(&prev->subdev.entity); -} diff --git a/drivers/media/video/omap3isp/isppreview.h b/drivers/media/video/omap3isp/isppreview.h deleted file mode 100644 index f66923407f8c..000000000000 --- a/drivers/media/video/omap3isp/isppreview.h +++ /dev/null @@ -1,174 +0,0 @@ -/* - * isppreview.h - * - * TI OMAP3 ISP - Preview module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef OMAP3_ISP_PREVIEW_H -#define OMAP3_ISP_PREVIEW_H - -#include <linux/omap3isp.h> -#include <linux/types.h> -#include <media/v4l2-ctrls.h> - -#include "ispvideo.h" - -#define ISPPRV_BRIGHT_STEP 0x1 -#define ISPPRV_BRIGHT_DEF 0x0 -#define ISPPRV_BRIGHT_LOW 0x0 -#define ISPPRV_BRIGHT_HIGH 0xFF -#define ISPPRV_BRIGHT_UNITS 0x1 - -#define ISPPRV_CONTRAST_STEP 0x1 -#define ISPPRV_CONTRAST_DEF 0x10 -#define ISPPRV_CONTRAST_LOW 0x0 -#define ISPPRV_CONTRAST_HIGH 0xFF -#define ISPPRV_CONTRAST_UNITS 0x1 - -/* Additional features not listed in linux/omap3isp.h */ -#define OMAP3ISP_PREV_CONTRAST (1 << 17) -#define OMAP3ISP_PREV_BRIGHTNESS (1 << 18) -#define OMAP3ISP_PREV_FEATURES_END (1 << 19) - -enum preview_input_entity { - PREVIEW_INPUT_NONE, - PREVIEW_INPUT_CCDC, - PREVIEW_INPUT_MEMORY, -}; - -#define PREVIEW_OUTPUT_RESIZER (1 << 1) -#define PREVIEW_OUTPUT_MEMORY (1 << 2) - -/* Configure byte layout of YUV image */ -enum preview_ycpos_mode { - YCPOS_YCrYCb = 0, - YCPOS_YCbYCr = 1, - YCPOS_CbYCrY = 2, - YCPOS_CrYCbY = 3 -}; - -/* - * struct prev_params - Structure for all configuration - * @busy: Bitmask of busy parameters (being updated or used) - * @update: Bitmask of the parameters to be updated - * @features: Set of features enabled. - * @cfa: CFA coefficients. - * @csup: Chroma suppression coefficients. - * @luma: Luma enhancement coefficients. - * @nf: Noise filter coefficients. - * @dcor: Noise filter coefficients. - * @gamma: Gamma coefficients. - * @wbal: White Balance parameters. - * @blkadj: Black adjustment parameters. - * @rgb2rgb: RGB blending parameters. - * @csc: Color space conversion (RGB to YCbCr) parameters. - * @hmed: Horizontal median filter. - * @yclimit: YC limits parameters. - * @contrast: Contrast. - * @brightness: Brightness. - */ -struct prev_params { - u32 busy; - u32 update; - u32 features; - struct omap3isp_prev_cfa cfa; - struct omap3isp_prev_csup csup; - struct omap3isp_prev_luma luma; - struct omap3isp_prev_nf nf; - struct omap3isp_prev_dcor dcor; - struct omap3isp_prev_gtables gamma; - struct omap3isp_prev_wbal wbal; - struct omap3isp_prev_blkadj blkadj; - struct omap3isp_prev_rgbtorgb rgb2rgb; - struct omap3isp_prev_csc csc; - struct omap3isp_prev_hmed hmed; - struct omap3isp_prev_yclimit yclimit; - u8 contrast; - u8 brightness; -}; - -/* Sink and source previewer pads */ -#define PREV_PAD_SINK 0 -#define PREV_PAD_SOURCE 1 -#define PREV_PADS_NUM 2 - -/* - * struct isp_prev_device - Structure for storing ISP Preview module information - * @subdev: V4L2 subdevice - * @pads: Media entity pads - * @formats: Active formats at the subdev pad - * @crop: Active crop rectangle - * @input: Module currently connected to the input pad - * @output: Bitmask of the active output - * @video_in: Input video entity - * @video_out: Output video entity - * @params.params : Active and shadow parameters sets - * @params.active: Bitmask of parameters active in set 0 - * @params.lock: Parameters lock, protects params.active and params.shadow - * @underrun: Whether the preview entity has queued buffers on the output - * @state: Current preview pipeline state - * - * This structure is used to store the OMAP ISP Preview module Information. - */ -struct isp_prev_device { - struct v4l2_subdev subdev; - struct media_pad pads[PREV_PADS_NUM]; - struct v4l2_mbus_framefmt formats[PREV_PADS_NUM]; - struct v4l2_rect crop; - - struct v4l2_ctrl_handler ctrls; - - enum preview_input_entity input; - unsigned int output; - struct isp_video video_in; - struct isp_video video_out; - - struct { - unsigned int cfa_order; - struct prev_params params[2]; - u32 active; - spinlock_t lock; - } params; - - enum isp_pipeline_stream_state state; - wait_queue_head_t wait; - atomic_t stopping; -}; - -struct isp_device; - -int omap3isp_preview_init(struct isp_device *isp); -void omap3isp_preview_cleanup(struct isp_device *isp); - -int omap3isp_preview_register_entities(struct isp_prev_device *prv, - struct v4l2_device *vdev); -void omap3isp_preview_unregister_entities(struct isp_prev_device *prv); - -void omap3isp_preview_isr_frame_sync(struct isp_prev_device *prev); -void omap3isp_preview_isr(struct isp_prev_device *prev); - -int omap3isp_preview_busy(struct isp_prev_device *isp_prev); - -void omap3isp_preview_restore_context(struct isp_device *isp); - -#endif /* OMAP3_ISP_PREVIEW_H */ diff --git a/drivers/media/video/omap3isp/ispqueue.c b/drivers/media/video/omap3isp/ispqueue.c deleted file mode 100644 index 15bf3eab2224..000000000000 --- a/drivers/media/video/omap3isp/ispqueue.c +++ /dev/null @@ -1,1158 +0,0 @@ -/* - * ispqueue.c - * - * TI OMAP3 ISP - Video buffers queue handling - * - * Copyright (C) 2010 Nokia Corporation - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <asm/cacheflush.h> -#include <linux/dma-mapping.h> -#include <linux/mm.h> -#include <linux/pagemap.h> -#include <linux/poll.h> -#include <linux/scatterlist.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> - -#include "ispqueue.h" - -/* ----------------------------------------------------------------------------- - * Video buffers management - */ - -/* - * isp_video_buffer_cache_sync - Keep the buffers coherent between CPU and ISP - * - * The typical operation required here is Cache Invalidation across - * the (user space) buffer address range. And this _must_ be done - * at QBUF stage (and *only* at QBUF). - * - * We try to use optimal cache invalidation function: - * - dmac_map_area: - * - used when the number of pages are _low_. - * - it becomes quite slow as the number of pages increase. - * - for 648x492 viewfinder (150 pages) it takes 1.3 ms. - * - for 5 Mpix buffer (2491 pages) it takes between 25-50 ms. - * - * - flush_cache_all: - * - used when the number of pages are _high_. - * - time taken in the range of 500-900 us. - * - has a higher penalty but, as whole dcache + icache is invalidated - */ -/* - * FIXME: dmac_inv_range crashes randomly on the user space buffer - * address. Fall back to flush_cache_all for now. - */ -#define ISP_CACHE_FLUSH_PAGES_MAX 0 - -static void isp_video_buffer_cache_sync(struct isp_video_buffer *buf) -{ - if (buf->skip_cache) - return; - - if (buf->vbuf.m.userptr == 0 || buf->npages == 0 || - buf->npages > ISP_CACHE_FLUSH_PAGES_MAX) - flush_cache_all(); - else { - dmac_map_area((void *)buf->vbuf.m.userptr, buf->vbuf.length, - DMA_FROM_DEVICE); - outer_inv_range(buf->vbuf.m.userptr, - buf->vbuf.m.userptr + buf->vbuf.length); - } -} - -/* - * isp_video_buffer_lock_vma - Prevent VMAs from being unmapped - * - * Lock the VMAs underlying the given buffer into memory. This avoids the - * userspace buffer mapping from being swapped out, making VIPT cache handling - * easier. - * - * Note that the pages will not be freed as the buffers have been locked to - * memory using by a call to get_user_pages(), but the userspace mapping could - * still disappear if the VMAs are not locked. This is caused by the memory - * management code trying to be as lock-less as possible, which results in the - * userspace mapping manager not finding out that the pages are locked under - * some conditions. - */ -static int isp_video_buffer_lock_vma(struct isp_video_buffer *buf, int lock) -{ - struct vm_area_struct *vma; - unsigned long start; - unsigned long end; - int ret = 0; - - if (buf->vbuf.memory == V4L2_MEMORY_MMAP) - return 0; - - /* We can be called from workqueue context if the current task dies to - * unlock the VMAs. In that case there's no current memory management - * context so unlocking can't be performed, but the VMAs have been or - * are getting destroyed anyway so it doesn't really matter. - */ - if (!current || !current->mm) - return lock ? -EINVAL : 0; - - start = buf->vbuf.m.userptr; - end = buf->vbuf.m.userptr + buf->vbuf.length - 1; - - down_write(¤t->mm->mmap_sem); - spin_lock(¤t->mm->page_table_lock); - - do { - vma = find_vma(current->mm, start); - if (vma == NULL) { - ret = -EFAULT; - goto out; - } - - if (lock) - vma->vm_flags |= VM_LOCKED; - else - vma->vm_flags &= ~VM_LOCKED; - - start = vma->vm_end + 1; - } while (vma->vm_end < end); - - if (lock) - buf->vm_flags |= VM_LOCKED; - else - buf->vm_flags &= ~VM_LOCKED; - -out: - spin_unlock(¤t->mm->page_table_lock); - up_write(¤t->mm->mmap_sem); - return ret; -} - -/* - * isp_video_buffer_sglist_kernel - Build a scatter list for a vmalloc'ed buffer - * - * Iterate over the vmalloc'ed area and create a scatter list entry for every - * page. - */ -static int isp_video_buffer_sglist_kernel(struct isp_video_buffer *buf) -{ - struct scatterlist *sglist; - unsigned int npages; - unsigned int i; - void *addr; - - addr = buf->vaddr; - npages = PAGE_ALIGN(buf->vbuf.length) >> PAGE_SHIFT; - - sglist = vmalloc(npages * sizeof(*sglist)); - if (sglist == NULL) - return -ENOMEM; - - sg_init_table(sglist, npages); - - for (i = 0; i < npages; ++i, addr += PAGE_SIZE) { - struct page *page = vmalloc_to_page(addr); - - if (page == NULL || PageHighMem(page)) { - vfree(sglist); - return -EINVAL; - } - - sg_set_page(&sglist[i], page, PAGE_SIZE, 0); - } - - buf->sglen = npages; - buf->sglist = sglist; - - return 0; -} - -/* - * isp_video_buffer_sglist_user - Build a scatter list for a userspace buffer - * - * Walk the buffer pages list and create a 1:1 mapping to a scatter list. - */ -static int isp_video_buffer_sglist_user(struct isp_video_buffer *buf) -{ - struct scatterlist *sglist; - unsigned int offset = buf->offset; - unsigned int i; - - sglist = vmalloc(buf->npages * sizeof(*sglist)); - if (sglist == NULL) - return -ENOMEM; - - sg_init_table(sglist, buf->npages); - - for (i = 0; i < buf->npages; ++i) { - if (PageHighMem(buf->pages[i])) { - vfree(sglist); - return -EINVAL; - } - - sg_set_page(&sglist[i], buf->pages[i], PAGE_SIZE - offset, - offset); - offset = 0; - } - - buf->sglen = buf->npages; - buf->sglist = sglist; - - return 0; -} - -/* - * isp_video_buffer_sglist_pfnmap - Build a scatter list for a VM_PFNMAP buffer - * - * Create a scatter list of physically contiguous pages starting at the buffer - * memory physical address. - */ -static int isp_video_buffer_sglist_pfnmap(struct isp_video_buffer *buf) -{ - struct scatterlist *sglist; - unsigned int offset = buf->offset; - unsigned long pfn = buf->paddr >> PAGE_SHIFT; - unsigned int i; - - sglist = vmalloc(buf->npages * sizeof(*sglist)); - if (sglist == NULL) - return -ENOMEM; - - sg_init_table(sglist, buf->npages); - - for (i = 0; i < buf->npages; ++i, ++pfn) { - sg_set_page(&sglist[i], pfn_to_page(pfn), PAGE_SIZE - offset, - offset); - /* PFNMAP buffers will not get DMA-mapped, set the DMA address - * manually. - */ - sg_dma_address(&sglist[i]) = (pfn << PAGE_SHIFT) + offset; - offset = 0; - } - - buf->sglen = buf->npages; - buf->sglist = sglist; - - return 0; -} - -/* - * isp_video_buffer_cleanup - Release pages for a userspace VMA. - * - * Release pages locked by a call isp_video_buffer_prepare_user and free the - * pages table. - */ -static void isp_video_buffer_cleanup(struct isp_video_buffer *buf) -{ - enum dma_data_direction direction; - unsigned int i; - - if (buf->queue->ops->buffer_cleanup) - buf->queue->ops->buffer_cleanup(buf); - - if (!(buf->vm_flags & VM_PFNMAP)) { - direction = buf->vbuf.type == V4L2_BUF_TYPE_VIDEO_CAPTURE - ? DMA_FROM_DEVICE : DMA_TO_DEVICE; - dma_unmap_sg(buf->queue->dev, buf->sglist, buf->sglen, - direction); - } - - vfree(buf->sglist); - buf->sglist = NULL; - buf->sglen = 0; - - if (buf->pages != NULL) { - isp_video_buffer_lock_vma(buf, 0); - - for (i = 0; i < buf->npages; ++i) - page_cache_release(buf->pages[i]); - - vfree(buf->pages); - buf->pages = NULL; - } - - buf->npages = 0; - buf->skip_cache = false; -} - -/* - * isp_video_buffer_prepare_user - Pin userspace VMA pages to memory. - * - * This function creates a list of pages for a userspace VMA. The number of - * pages is first computed based on the buffer size, and pages are then - * retrieved by a call to get_user_pages. - * - * Pages are pinned to memory by get_user_pages, making them available for DMA - * transfers. However, due to memory management optimization, it seems the - * get_user_pages doesn't guarantee that the pinned pages will not be written - * to swap and removed from the userspace mapping(s). When this happens, a page - * fault can be generated when accessing those unmapped pages. - * - * If the fault is triggered by a page table walk caused by VIPT cache - * management operations, the page fault handler might oops if the MM semaphore - * is held, as it can't handle kernel page faults in that case. To fix that, a - * fixup entry needs to be added to the cache management code, or the userspace - * VMA must be locked to avoid removing pages from the userspace mapping in the - * first place. - * - * If the number of pages retrieved is smaller than the number required by the - * buffer size, the function returns -EFAULT. - */ -static int isp_video_buffer_prepare_user(struct isp_video_buffer *buf) -{ - unsigned long data; - unsigned int first; - unsigned int last; - int ret; - - data = buf->vbuf.m.userptr; - first = (data & PAGE_MASK) >> PAGE_SHIFT; - last = ((data + buf->vbuf.length - 1) & PAGE_MASK) >> PAGE_SHIFT; - - buf->offset = data & ~PAGE_MASK; - buf->npages = last - first + 1; - buf->pages = vmalloc(buf->npages * sizeof(buf->pages[0])); - if (buf->pages == NULL) - return -ENOMEM; - - down_read(¤t->mm->mmap_sem); - ret = get_user_pages(current, current->mm, data & PAGE_MASK, - buf->npages, - buf->vbuf.type == V4L2_BUF_TYPE_VIDEO_CAPTURE, 0, - buf->pages, NULL); - up_read(¤t->mm->mmap_sem); - - if (ret != buf->npages) { - buf->npages = ret < 0 ? 0 : ret; - isp_video_buffer_cleanup(buf); - return -EFAULT; - } - - ret = isp_video_buffer_lock_vma(buf, 1); - if (ret < 0) - isp_video_buffer_cleanup(buf); - - return ret; -} - -/* - * isp_video_buffer_prepare_pfnmap - Validate a VM_PFNMAP userspace buffer - * - * Userspace VM_PFNMAP buffers are supported only if they are contiguous in - * memory and if they span a single VMA. - * - * Return 0 if the buffer is valid, or -EFAULT otherwise. - */ -static int isp_video_buffer_prepare_pfnmap(struct isp_video_buffer *buf) -{ - struct vm_area_struct *vma; - unsigned long prev_pfn; - unsigned long this_pfn; - unsigned long start; - unsigned long end; - dma_addr_t pa; - int ret = -EFAULT; - - start = buf->vbuf.m.userptr; - end = buf->vbuf.m.userptr + buf->vbuf.length - 1; - - buf->offset = start & ~PAGE_MASK; - buf->npages = (end >> PAGE_SHIFT) - (start >> PAGE_SHIFT) + 1; - buf->pages = NULL; - - down_read(¤t->mm->mmap_sem); - vma = find_vma(current->mm, start); - if (vma == NULL || vma->vm_end < end) - goto done; - - for (prev_pfn = 0; start <= end; start += PAGE_SIZE) { - ret = follow_pfn(vma, start, &this_pfn); - if (ret) - goto done; - - if (prev_pfn == 0) - pa = this_pfn << PAGE_SHIFT; - else if (this_pfn != prev_pfn + 1) { - ret = -EFAULT; - goto done; - } - - prev_pfn = this_pfn; - } - - buf->paddr = pa + buf->offset; - ret = 0; - -done: - up_read(¤t->mm->mmap_sem); - return ret; -} - -/* - * isp_video_buffer_prepare_vm_flags - Get VMA flags for a userspace address - * - * This function locates the VMAs for the buffer's userspace address and checks - * that their flags match. The only flag that we need to care for at the moment - * is VM_PFNMAP. - * - * The buffer vm_flags field is set to the first VMA flags. - * - * Return -EFAULT if no VMA can be found for part of the buffer, or if the VMAs - * have incompatible flags. - */ -static int isp_video_buffer_prepare_vm_flags(struct isp_video_buffer *buf) -{ - struct vm_area_struct *vma; - pgprot_t vm_page_prot; - unsigned long start; - unsigned long end; - int ret = -EFAULT; - - start = buf->vbuf.m.userptr; - end = buf->vbuf.m.userptr + buf->vbuf.length - 1; - - down_read(¤t->mm->mmap_sem); - - do { - vma = find_vma(current->mm, start); - if (vma == NULL) - goto done; - - if (start == buf->vbuf.m.userptr) { - buf->vm_flags = vma->vm_flags; - vm_page_prot = vma->vm_page_prot; - } - - if ((buf->vm_flags ^ vma->vm_flags) & VM_PFNMAP) - goto done; - - if (vm_page_prot != vma->vm_page_prot) - goto done; - - start = vma->vm_end + 1; - } while (vma->vm_end < end); - - /* Skip cache management to enhance performances for non-cached or - * write-combining buffers. - */ - if (vm_page_prot == pgprot_noncached(vm_page_prot) || - vm_page_prot == pgprot_writecombine(vm_page_prot)) - buf->skip_cache = true; - - ret = 0; - -done: - up_read(¤t->mm->mmap_sem); - return ret; -} - -/* - * isp_video_buffer_prepare - Make a buffer ready for operation - * - * Preparing a buffer involves: - * - * - validating VMAs (userspace buffers only) - * - locking pages and VMAs into memory (userspace buffers only) - * - building page and scatter-gather lists - * - mapping buffers for DMA operation - * - performing driver-specific preparation - * - * The function must be called in userspace context with a valid mm context - * (this excludes cleanup paths such as sys_close when the userspace process - * segfaults). - */ -static int isp_video_buffer_prepare(struct isp_video_buffer *buf) -{ - enum dma_data_direction direction; - int ret; - - switch (buf->vbuf.memory) { - case V4L2_MEMORY_MMAP: - ret = isp_video_buffer_sglist_kernel(buf); - break; - - case V4L2_MEMORY_USERPTR: - ret = isp_video_buffer_prepare_vm_flags(buf); - if (ret < 0) - return ret; - - if (buf->vm_flags & VM_PFNMAP) { - ret = isp_video_buffer_prepare_pfnmap(buf); - if (ret < 0) - return ret; - - ret = isp_video_buffer_sglist_pfnmap(buf); - } else { - ret = isp_video_buffer_prepare_user(buf); - if (ret < 0) - return ret; - - ret = isp_video_buffer_sglist_user(buf); - } - break; - - default: - return -EINVAL; - } - - if (ret < 0) - goto done; - - if (!(buf->vm_flags & VM_PFNMAP)) { - direction = buf->vbuf.type == V4L2_BUF_TYPE_VIDEO_CAPTURE - ? DMA_FROM_DEVICE : DMA_TO_DEVICE; - ret = dma_map_sg(buf->queue->dev, buf->sglist, buf->sglen, - direction); - if (ret != buf->sglen) { - ret = -EFAULT; - goto done; - } - } - - if (buf->queue->ops->buffer_prepare) - ret = buf->queue->ops->buffer_prepare(buf); - -done: - if (ret < 0) { - isp_video_buffer_cleanup(buf); - return ret; - } - - return ret; -} - -/* - * isp_video_queue_query - Query the status of a given buffer - * - * Locking: must be called with the queue lock held. - */ -static void isp_video_buffer_query(struct isp_video_buffer *buf, - struct v4l2_buffer *vbuf) -{ - memcpy(vbuf, &buf->vbuf, sizeof(*vbuf)); - - if (buf->vma_use_count) - vbuf->flags |= V4L2_BUF_FLAG_MAPPED; - - switch (buf->state) { - case ISP_BUF_STATE_ERROR: - vbuf->flags |= V4L2_BUF_FLAG_ERROR; - case ISP_BUF_STATE_DONE: - vbuf->flags |= V4L2_BUF_FLAG_DONE; - case ISP_BUF_STATE_QUEUED: - case ISP_BUF_STATE_ACTIVE: - vbuf->flags |= V4L2_BUF_FLAG_QUEUED; - break; - case ISP_BUF_STATE_IDLE: - default: - break; - } -} - -/* - * isp_video_buffer_wait - Wait for a buffer to be ready - * - * In non-blocking mode, return immediately with 0 if the buffer is ready or - * -EAGAIN if the buffer is in the QUEUED or ACTIVE state. - * - * In blocking mode, wait (interruptibly but with no timeout) on the buffer wait - * queue using the same condition. - */ -static int isp_video_buffer_wait(struct isp_video_buffer *buf, int nonblocking) -{ - if (nonblocking) { - return (buf->state != ISP_BUF_STATE_QUEUED && - buf->state != ISP_BUF_STATE_ACTIVE) - ? 0 : -EAGAIN; - } - - return wait_event_interruptible(buf->wait, - buf->state != ISP_BUF_STATE_QUEUED && - buf->state != ISP_BUF_STATE_ACTIVE); -} - -/* ----------------------------------------------------------------------------- - * Queue management - */ - -/* - * isp_video_queue_free - Free video buffers memory - * - * Buffers can only be freed if the queue isn't streaming and if no buffer is - * mapped to userspace. Return -EBUSY if those conditions aren't statisfied. - * - * This function must be called with the queue lock held. - */ -static int isp_video_queue_free(struct isp_video_queue *queue) -{ - unsigned int i; - - if (queue->streaming) - return -EBUSY; - - for (i = 0; i < queue->count; ++i) { - if (queue->buffers[i]->vma_use_count != 0) - return -EBUSY; - } - - for (i = 0; i < queue->count; ++i) { - struct isp_video_buffer *buf = queue->buffers[i]; - - isp_video_buffer_cleanup(buf); - - vfree(buf->vaddr); - buf->vaddr = NULL; - - kfree(buf); - queue->buffers[i] = NULL; - } - - INIT_LIST_HEAD(&queue->queue); - queue->count = 0; - return 0; -} - -/* - * isp_video_queue_alloc - Allocate video buffers memory - * - * This function must be called with the queue lock held. - */ -static int isp_video_queue_alloc(struct isp_video_queue *queue, - unsigned int nbuffers, - unsigned int size, enum v4l2_memory memory) -{ - struct isp_video_buffer *buf; - unsigned int i; - void *mem; - int ret; - - /* Start by freeing the buffers. */ - ret = isp_video_queue_free(queue); - if (ret < 0) - return ret; - - /* Bail out if no buffers should be allocated. */ - if (nbuffers == 0) - return 0; - - /* Initialize the allocated buffers. */ - for (i = 0; i < nbuffers; ++i) { - buf = kzalloc(queue->bufsize, GFP_KERNEL); - if (buf == NULL) - break; - - if (memory == V4L2_MEMORY_MMAP) { - /* Allocate video buffers memory for mmap mode. Align - * the size to the page size. - */ - mem = vmalloc_32_user(PAGE_ALIGN(size)); - if (mem == NULL) { - kfree(buf); - break; - } - - buf->vbuf.m.offset = i * PAGE_ALIGN(size); - buf->vaddr = mem; - } - - buf->vbuf.index = i; - buf->vbuf.length = size; - buf->vbuf.type = queue->type; - buf->vbuf.field = V4L2_FIELD_NONE; - buf->vbuf.memory = memory; - - buf->queue = queue; - init_waitqueue_head(&buf->wait); - - queue->buffers[i] = buf; - } - - if (i == 0) - return -ENOMEM; - - queue->count = i; - return nbuffers; -} - -/** - * omap3isp_video_queue_cleanup - Clean up the video buffers queue - * @queue: Video buffers queue - * - * Free all allocated resources and clean up the video buffers queue. The queue - * must not be busy (no ongoing video stream) and buffers must have been - * unmapped. - * - * Return 0 on success or -EBUSY if the queue is busy or buffers haven't been - * unmapped. - */ -int omap3isp_video_queue_cleanup(struct isp_video_queue *queue) -{ - return isp_video_queue_free(queue); -} - -/** - * omap3isp_video_queue_init - Initialize the video buffers queue - * @queue: Video buffers queue - * @type: V4L2 buffer type (capture or output) - * @ops: Driver-specific queue operations - * @dev: Device used for DMA operations - * @bufsize: Size of the driver-specific buffer structure - * - * Initialize the video buffers queue with the supplied parameters. - * - * The queue type must be one of V4L2_BUF_TYPE_VIDEO_CAPTURE or - * V4L2_BUF_TYPE_VIDEO_OUTPUT. Other buffer types are not supported yet. - * - * Buffer objects will be allocated using the given buffer size to allow room - * for driver-specific fields. Driver-specific buffer structures must start - * with a struct isp_video_buffer field. Drivers with no driver-specific buffer - * structure must pass the size of the isp_video_buffer structure in the bufsize - * parameter. - * - * Return 0 on success. - */ -int omap3isp_video_queue_init(struct isp_video_queue *queue, - enum v4l2_buf_type type, - const struct isp_video_queue_operations *ops, - struct device *dev, unsigned int bufsize) -{ - INIT_LIST_HEAD(&queue->queue); - mutex_init(&queue->lock); - spin_lock_init(&queue->irqlock); - - queue->type = type; - queue->ops = ops; - queue->dev = dev; - queue->bufsize = bufsize; - - return 0; -} - -/* ----------------------------------------------------------------------------- - * V4L2 operations - */ - -/** - * omap3isp_video_queue_reqbufs - Allocate video buffers memory - * - * This function is intended to be used as a VIDIOC_REQBUFS ioctl handler. It - * allocated video buffer objects and, for MMAP buffers, buffer memory. - * - * If the number of buffers is 0, all buffers are freed and the function returns - * without performing any allocation. - * - * If the number of buffers is not 0, currently allocated buffers (if any) are - * freed and the requested number of buffers are allocated. Depending on - * driver-specific requirements and on memory availability, a number of buffer - * smaller or bigger than requested can be allocated. This isn't considered as - * an error. - * - * Return 0 on success or one of the following error codes: - * - * -EINVAL if the buffer type or index are invalid - * -EBUSY if the queue is busy (streaming or buffers mapped) - * -ENOMEM if the buffers can't be allocated due to an out-of-memory condition - */ -int omap3isp_video_queue_reqbufs(struct isp_video_queue *queue, - struct v4l2_requestbuffers *rb) -{ - unsigned int nbuffers = rb->count; - unsigned int size; - int ret; - - if (rb->type != queue->type) - return -EINVAL; - - queue->ops->queue_prepare(queue, &nbuffers, &size); - if (size == 0) - return -EINVAL; - - nbuffers = min_t(unsigned int, nbuffers, ISP_VIDEO_MAX_BUFFERS); - - mutex_lock(&queue->lock); - - ret = isp_video_queue_alloc(queue, nbuffers, size, rb->memory); - if (ret < 0) - goto done; - - rb->count = ret; - ret = 0; - -done: - mutex_unlock(&queue->lock); - return ret; -} - -/** - * omap3isp_video_queue_querybuf - Query the status of a buffer in a queue - * - * This function is intended to be used as a VIDIOC_QUERYBUF ioctl handler. It - * returns the status of a given video buffer. - * - * Return 0 on success or -EINVAL if the buffer type or index are invalid. - */ -int omap3isp_video_queue_querybuf(struct isp_video_queue *queue, - struct v4l2_buffer *vbuf) -{ - struct isp_video_buffer *buf; - int ret = 0; - - if (vbuf->type != queue->type) - return -EINVAL; - - mutex_lock(&queue->lock); - - if (vbuf->index >= queue->count) { - ret = -EINVAL; - goto done; - } - - buf = queue->buffers[vbuf->index]; - isp_video_buffer_query(buf, vbuf); - -done: - mutex_unlock(&queue->lock); - return ret; -} - -/** - * omap3isp_video_queue_qbuf - Queue a buffer - * - * This function is intended to be used as a VIDIOC_QBUF ioctl handler. - * - * The v4l2_buffer structure passed from userspace is first sanity tested. If - * sane, the buffer is then processed and added to the main queue and, if the - * queue is streaming, to the IRQ queue. - * - * Before being enqueued, USERPTR buffers are checked for address changes. If - * the buffer has a different userspace address, the old memory area is unlocked - * and the new memory area is locked. - */ -int omap3isp_video_queue_qbuf(struct isp_video_queue *queue, - struct v4l2_buffer *vbuf) -{ - struct isp_video_buffer *buf; - unsigned long flags; - int ret = -EINVAL; - - if (vbuf->type != queue->type) - goto done; - - mutex_lock(&queue->lock); - - if (vbuf->index >= queue->count) - goto done; - - buf = queue->buffers[vbuf->index]; - - if (vbuf->memory != buf->vbuf.memory) - goto done; - - if (buf->state != ISP_BUF_STATE_IDLE) - goto done; - - if (vbuf->memory == V4L2_MEMORY_USERPTR && - vbuf->length < buf->vbuf.length) - goto done; - - if (vbuf->memory == V4L2_MEMORY_USERPTR && - vbuf->m.userptr != buf->vbuf.m.userptr) { - isp_video_buffer_cleanup(buf); - buf->vbuf.m.userptr = vbuf->m.userptr; - buf->prepared = 0; - } - - if (!buf->prepared) { - ret = isp_video_buffer_prepare(buf); - if (ret < 0) - goto done; - buf->prepared = 1; - } - - isp_video_buffer_cache_sync(buf); - - buf->state = ISP_BUF_STATE_QUEUED; - list_add_tail(&buf->stream, &queue->queue); - - if (queue->streaming) { - spin_lock_irqsave(&queue->irqlock, flags); - queue->ops->buffer_queue(buf); - spin_unlock_irqrestore(&queue->irqlock, flags); - } - - ret = 0; - -done: - mutex_unlock(&queue->lock); - return ret; -} - -/** - * omap3isp_video_queue_dqbuf - Dequeue a buffer - * - * This function is intended to be used as a VIDIOC_DQBUF ioctl handler. - * - * Wait until a buffer is ready to be dequeued, remove it from the queue and - * copy its information to the v4l2_buffer structure. - * - * If the nonblocking argument is not zero and no buffer is ready, return - * -EAGAIN immediately instead of waiting. - * - * If no buffer has been enqueued, or if the requested buffer type doesn't match - * the queue type, return -EINVAL. - */ -int omap3isp_video_queue_dqbuf(struct isp_video_queue *queue, - struct v4l2_buffer *vbuf, int nonblocking) -{ - struct isp_video_buffer *buf; - int ret; - - if (vbuf->type != queue->type) - return -EINVAL; - - mutex_lock(&queue->lock); - - if (list_empty(&queue->queue)) { - ret = -EINVAL; - goto done; - } - - buf = list_first_entry(&queue->queue, struct isp_video_buffer, stream); - ret = isp_video_buffer_wait(buf, nonblocking); - if (ret < 0) - goto done; - - list_del(&buf->stream); - - isp_video_buffer_query(buf, vbuf); - buf->state = ISP_BUF_STATE_IDLE; - vbuf->flags &= ~V4L2_BUF_FLAG_QUEUED; - -done: - mutex_unlock(&queue->lock); - return ret; -} - -/** - * omap3isp_video_queue_streamon - Start streaming - * - * This function is intended to be used as a VIDIOC_STREAMON ioctl handler. It - * starts streaming on the queue and calls the buffer_queue operation for all - * queued buffers. - * - * Return 0 on success. - */ -int omap3isp_video_queue_streamon(struct isp_video_queue *queue) -{ - struct isp_video_buffer *buf; - unsigned long flags; - - mutex_lock(&queue->lock); - - if (queue->streaming) - goto done; - - queue->streaming = 1; - - spin_lock_irqsave(&queue->irqlock, flags); - list_for_each_entry(buf, &queue->queue, stream) - queue->ops->buffer_queue(buf); - spin_unlock_irqrestore(&queue->irqlock, flags); - -done: - mutex_unlock(&queue->lock); - return 0; -} - -/** - * omap3isp_video_queue_streamoff - Stop streaming - * - * This function is intended to be used as a VIDIOC_STREAMOFF ioctl handler. It - * stops streaming on the queue and wakes up all the buffers. - * - * Drivers must stop the hardware and synchronize with interrupt handlers and/or - * delayed works before calling this function to make sure no buffer will be - * touched by the driver and/or hardware. - */ -void omap3isp_video_queue_streamoff(struct isp_video_queue *queue) -{ - struct isp_video_buffer *buf; - unsigned long flags; - unsigned int i; - - mutex_lock(&queue->lock); - - if (!queue->streaming) - goto done; - - queue->streaming = 0; - - spin_lock_irqsave(&queue->irqlock, flags); - for (i = 0; i < queue->count; ++i) { - buf = queue->buffers[i]; - - if (buf->state == ISP_BUF_STATE_ACTIVE) - wake_up(&buf->wait); - - buf->state = ISP_BUF_STATE_IDLE; - } - spin_unlock_irqrestore(&queue->irqlock, flags); - - INIT_LIST_HEAD(&queue->queue); - -done: - mutex_unlock(&queue->lock); -} - -/** - * omap3isp_video_queue_discard_done - Discard all buffers marked as DONE - * - * This function is intended to be used with suspend/resume operations. It - * discards all 'done' buffers as they would be too old to be requested after - * resume. - * - * Drivers must stop the hardware and synchronize with interrupt handlers and/or - * delayed works before calling this function to make sure no buffer will be - * touched by the driver and/or hardware. - */ -void omap3isp_video_queue_discard_done(struct isp_video_queue *queue) -{ - struct isp_video_buffer *buf; - unsigned int i; - - mutex_lock(&queue->lock); - - if (!queue->streaming) - goto done; - - for (i = 0; i < queue->count; ++i) { - buf = queue->buffers[i]; - - if (buf->state == ISP_BUF_STATE_DONE) - buf->state = ISP_BUF_STATE_ERROR; - } - -done: - mutex_unlock(&queue->lock); -} - -static void isp_video_queue_vm_open(struct vm_area_struct *vma) -{ - struct isp_video_buffer *buf = vma->vm_private_data; - - buf->vma_use_count++; -} - -static void isp_video_queue_vm_close(struct vm_area_struct *vma) -{ - struct isp_video_buffer *buf = vma->vm_private_data; - - buf->vma_use_count--; -} - -static const struct vm_operations_struct isp_video_queue_vm_ops = { - .open = isp_video_queue_vm_open, - .close = isp_video_queue_vm_close, -}; - -/** - * omap3isp_video_queue_mmap - Map buffers to userspace - * - * This function is intended to be used as an mmap() file operation handler. It - * maps a buffer to userspace based on the VMA offset. - * - * Only buffers of memory type MMAP are supported. - */ -int omap3isp_video_queue_mmap(struct isp_video_queue *queue, - struct vm_area_struct *vma) -{ - struct isp_video_buffer *uninitialized_var(buf); - unsigned long size; - unsigned int i; - int ret = 0; - - mutex_lock(&queue->lock); - - for (i = 0; i < queue->count; ++i) { - buf = queue->buffers[i]; - if ((buf->vbuf.m.offset >> PAGE_SHIFT) == vma->vm_pgoff) - break; - } - - if (i == queue->count) { - ret = -EINVAL; - goto done; - } - - size = vma->vm_end - vma->vm_start; - - if (buf->vbuf.memory != V4L2_MEMORY_MMAP || - size != PAGE_ALIGN(buf->vbuf.length)) { - ret = -EINVAL; - goto done; - } - - ret = remap_vmalloc_range(vma, buf->vaddr, 0); - if (ret < 0) - goto done; - - vma->vm_ops = &isp_video_queue_vm_ops; - vma->vm_private_data = buf; - isp_video_queue_vm_open(vma); - -done: - mutex_unlock(&queue->lock); - return ret; -} - -/** - * omap3isp_video_queue_poll - Poll video queue state - * - * This function is intended to be used as a poll() file operation handler. It - * polls the state of the video buffer at the front of the queue and returns an - * events mask. - * - * If no buffer is present at the front of the queue, POLLERR is returned. - */ -unsigned int omap3isp_video_queue_poll(struct isp_video_queue *queue, - struct file *file, poll_table *wait) -{ - struct isp_video_buffer *buf; - unsigned int mask = 0; - - mutex_lock(&queue->lock); - if (list_empty(&queue->queue)) { - mask |= POLLERR; - goto done; - } - buf = list_first_entry(&queue->queue, struct isp_video_buffer, stream); - - poll_wait(file, &buf->wait, wait); - if (buf->state == ISP_BUF_STATE_DONE || - buf->state == ISP_BUF_STATE_ERROR) { - if (queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - mask |= POLLIN | POLLRDNORM; - else - mask |= POLLOUT | POLLWRNORM; - } - -done: - mutex_unlock(&queue->lock); - return mask; -} diff --git a/drivers/media/video/omap3isp/ispqueue.h b/drivers/media/video/omap3isp/ispqueue.h deleted file mode 100644 index 908dfd712e8e..000000000000 --- a/drivers/media/video/omap3isp/ispqueue.h +++ /dev/null @@ -1,187 +0,0 @@ -/* - * ispqueue.h - * - * TI OMAP3 ISP - Video buffers queue handling - * - * Copyright (C) 2010 Nokia Corporation - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef OMAP3_ISP_QUEUE_H -#define OMAP3_ISP_QUEUE_H - -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/mutex.h> -#include <linux/videodev2.h> -#include <linux/wait.h> - -struct isp_video_queue; -struct page; -struct scatterlist; - -#define ISP_VIDEO_MAX_BUFFERS 16 - -/** - * enum isp_video_buffer_state - ISP video buffer state - * @ISP_BUF_STATE_IDLE: The buffer is under userspace control (dequeued - * or not queued yet). - * @ISP_BUF_STATE_QUEUED: The buffer has been queued but isn't used by the - * device yet. - * @ISP_BUF_STATE_ACTIVE: The buffer is in use for an active video transfer. - * @ISP_BUF_STATE_ERROR: The device is done with the buffer and an error - * occurred. For capture device the buffer likely contains corrupted data or - * no data at all. - * @ISP_BUF_STATE_DONE: The device is done with the buffer and no error occurred. - * For capture devices the buffer contains valid data. - */ -enum isp_video_buffer_state { - ISP_BUF_STATE_IDLE, - ISP_BUF_STATE_QUEUED, - ISP_BUF_STATE_ACTIVE, - ISP_BUF_STATE_ERROR, - ISP_BUF_STATE_DONE, -}; - -/** - * struct isp_video_buffer - ISP video buffer - * @vma_use_count: Number of times the buffer is mmap'ed to userspace - * @stream: List head for insertion into main queue - * @queue: ISP buffers queue this buffer belongs to - * @prepared: Whether the buffer has been prepared - * @skip_cache: Whether to skip cache management operations for this buffer - * @vaddr: Memory virtual address (for kernel buffers) - * @vm_flags: Buffer VMA flags (for userspace buffers) - * @offset: Offset inside the first page (for userspace buffers) - * @npages: Number of pages (for userspace buffers) - * @pages: Pages table (for userspace non-VM_PFNMAP buffers) - * @paddr: Memory physical address (for userspace VM_PFNMAP buffers) - * @sglen: Number of elements in the scatter list (for non-VM_PFNMAP buffers) - * @sglist: Scatter list (for non-VM_PFNMAP buffers) - * @vbuf: V4L2 buffer - * @irqlist: List head for insertion into IRQ queue - * @state: Current buffer state - * @wait: Wait queue to signal buffer completion - */ -struct isp_video_buffer { - unsigned long vma_use_count; - struct list_head stream; - struct isp_video_queue *queue; - unsigned int prepared:1; - bool skip_cache; - - /* For kernel buffers. */ - void *vaddr; - - /* For userspace buffers. */ - vm_flags_t vm_flags; - unsigned long offset; - unsigned int npages; - struct page **pages; - dma_addr_t paddr; - - /* For all buffers except VM_PFNMAP. */ - unsigned int sglen; - struct scatterlist *sglist; - - /* Touched by the interrupt handler. */ - struct v4l2_buffer vbuf; - struct list_head irqlist; - enum isp_video_buffer_state state; - wait_queue_head_t wait; -}; - -#define to_isp_video_buffer(vb) container_of(vb, struct isp_video_buffer, vb) - -/** - * struct isp_video_queue_operations - Driver-specific operations - * @queue_prepare: Called before allocating buffers. Drivers should clamp the - * number of buffers according to their requirements, and must return the - * buffer size in bytes. - * @buffer_prepare: Called the first time a buffer is queued, or after changing - * the userspace memory address for a USERPTR buffer, with the queue lock - * held. Drivers should perform device-specific buffer preparation (such as - * mapping the buffer memory in an IOMMU). This operation is optional. - * @buffer_queue: Called when a buffer is being added to the queue with the - * queue irqlock spinlock held. - * @buffer_cleanup: Called before freeing buffers, or before changing the - * userspace memory address for a USERPTR buffer, with the queue lock held. - * Drivers must perform cleanup operations required to undo the - * buffer_prepare call. This operation is optional. - */ -struct isp_video_queue_operations { - void (*queue_prepare)(struct isp_video_queue *queue, - unsigned int *nbuffers, unsigned int *size); - int (*buffer_prepare)(struct isp_video_buffer *buf); - void (*buffer_queue)(struct isp_video_buffer *buf); - void (*buffer_cleanup)(struct isp_video_buffer *buf); -}; - -/** - * struct isp_video_queue - ISP video buffers queue - * @type: Type of video buffers handled by this queue - * @ops: Queue operations - * @dev: Device used for DMA operations - * @bufsize: Size of a driver-specific buffer object - * @count: Number of currently allocated buffers - * @buffers: ISP video buffers - * @lock: Mutex to protect access to the buffers, main queue and state - * @irqlock: Spinlock to protect access to the IRQ queue - * @streaming: Queue state, indicates whether the queue is streaming - * @queue: List of all queued buffers - */ -struct isp_video_queue { - enum v4l2_buf_type type; - const struct isp_video_queue_operations *ops; - struct device *dev; - unsigned int bufsize; - - unsigned int count; - struct isp_video_buffer *buffers[ISP_VIDEO_MAX_BUFFERS]; - struct mutex lock; - spinlock_t irqlock; - - unsigned int streaming:1; - - struct list_head queue; -}; - -int omap3isp_video_queue_cleanup(struct isp_video_queue *queue); -int omap3isp_video_queue_init(struct isp_video_queue *queue, - enum v4l2_buf_type type, - const struct isp_video_queue_operations *ops, - struct device *dev, unsigned int bufsize); - -int omap3isp_video_queue_reqbufs(struct isp_video_queue *queue, - struct v4l2_requestbuffers *rb); -int omap3isp_video_queue_querybuf(struct isp_video_queue *queue, - struct v4l2_buffer *vbuf); -int omap3isp_video_queue_qbuf(struct isp_video_queue *queue, - struct v4l2_buffer *vbuf); -int omap3isp_video_queue_dqbuf(struct isp_video_queue *queue, - struct v4l2_buffer *vbuf, int nonblocking); -int omap3isp_video_queue_streamon(struct isp_video_queue *queue); -void omap3isp_video_queue_streamoff(struct isp_video_queue *queue); -void omap3isp_video_queue_discard_done(struct isp_video_queue *queue); -int omap3isp_video_queue_mmap(struct isp_video_queue *queue, - struct vm_area_struct *vma); -unsigned int omap3isp_video_queue_poll(struct isp_video_queue *queue, - struct file *file, poll_table *wait); - -#endif /* OMAP3_ISP_QUEUE_H */ diff --git a/drivers/media/video/omap3isp/ispreg.h b/drivers/media/video/omap3isp/ispreg.h deleted file mode 100644 index 084ea77d65a7..000000000000 --- a/drivers/media/video/omap3isp/ispreg.h +++ /dev/null @@ -1,1586 +0,0 @@ -/* - * ispreg.h - * - * TI OMAP3 ISP - Registers definitions - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef OMAP3_ISP_REG_H -#define OMAP3_ISP_REG_H - -#include <plat/omap34xx.h> - - -#define CM_CAM_MCLK_HZ 172800000 /* Hz */ - -/* ISP Submodules offset */ - -#define OMAP3ISP_REG_BASE OMAP3430_ISP_BASE -#define OMAP3ISP_REG(offset) (OMAP3ISP_REG_BASE + (offset)) - -#define OMAP3ISP_CCP2_REG_OFFSET 0x0400 -#define OMAP3ISP_CCP2_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CCP2_REG_OFFSET) -#define OMAP3ISP_CCP2_REG(offset) (OMAP3ISP_CCP2_REG_BASE + (offset)) - -#define OMAP3ISP_CCDC_REG_OFFSET 0x0600 -#define OMAP3ISP_CCDC_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CCDC_REG_OFFSET) -#define OMAP3ISP_CCDC_REG(offset) (OMAP3ISP_CCDC_REG_BASE + (offset)) - -#define OMAP3ISP_HIST_REG_OFFSET 0x0A00 -#define OMAP3ISP_HIST_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_HIST_REG_OFFSET) -#define OMAP3ISP_HIST_REG(offset) (OMAP3ISP_HIST_REG_BASE + (offset)) - -#define OMAP3ISP_H3A_REG_OFFSET 0x0C00 -#define OMAP3ISP_H3A_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_H3A_REG_OFFSET) -#define OMAP3ISP_H3A_REG(offset) (OMAP3ISP_H3A_REG_BASE + (offset)) - -#define OMAP3ISP_PREV_REG_OFFSET 0x0E00 -#define OMAP3ISP_PREV_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_PREV_REG_OFFSET) -#define OMAP3ISP_PREV_REG(offset) (OMAP3ISP_PREV_REG_BASE + (offset)) - -#define OMAP3ISP_RESZ_REG_OFFSET 0x1000 -#define OMAP3ISP_RESZ_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_RESZ_REG_OFFSET) -#define OMAP3ISP_RESZ_REG(offset) (OMAP3ISP_RESZ_REG_BASE + (offset)) - -#define OMAP3ISP_SBL_REG_OFFSET 0x1200 -#define OMAP3ISP_SBL_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_SBL_REG_OFFSET) -#define OMAP3ISP_SBL_REG(offset) (OMAP3ISP_SBL_REG_BASE + (offset)) - -#define OMAP3ISP_CSI2A_REGS1_REG_OFFSET 0x1800 -#define OMAP3ISP_CSI2A_REGS1_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CSI2A_REGS1_REG_OFFSET) -#define OMAP3ISP_CSI2A_REGS1_REG(offset) \ - (OMAP3ISP_CSI2A_REGS1_REG_BASE + (offset)) - -#define OMAP3ISP_CSIPHY2_REG_OFFSET 0x1970 -#define OMAP3ISP_CSIPHY2_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CSIPHY2_REG_OFFSET) -#define OMAP3ISP_CSIPHY2_REG(offset) (OMAP3ISP_CSIPHY2_REG_BASE + (offset)) - -#define OMAP3ISP_CSI2A_REGS2_REG_OFFSET 0x19C0 -#define OMAP3ISP_CSI2A_REGS2_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CSI2A_REGS2_REG_OFFSET) -#define OMAP3ISP_CSI2A_REGS2_REG(offset) \ - (OMAP3ISP_CSI2A_REGS2_REG_BASE + (offset)) - -#define OMAP3ISP_CSI2C_REGS1_REG_OFFSET 0x1C00 -#define OMAP3ISP_CSI2C_REGS1_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CSI2C_REGS1_REG_OFFSET) -#define OMAP3ISP_CSI2C_REGS1_REG(offset) \ - (OMAP3ISP_CSI2C_REGS1_REG_BASE + (offset)) - -#define OMAP3ISP_CSIPHY1_REG_OFFSET 0x1D70 -#define OMAP3ISP_CSIPHY1_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CSIPHY1_REG_OFFSET) -#define OMAP3ISP_CSIPHY1_REG(offset) (OMAP3ISP_CSIPHY1_REG_BASE + (offset)) - -#define OMAP3ISP_CSI2C_REGS2_REG_OFFSET 0x1DC0 -#define OMAP3ISP_CSI2C_REGS2_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CSI2C_REGS2_REG_OFFSET) -#define OMAP3ISP_CSI2C_REGS2_REG(offset) \ - (OMAP3ISP_CSI2C_REGS2_REG_BASE + (offset)) - -/* ISP module register offset */ - -#define ISP_REVISION (0x000) -#define ISP_SYSCONFIG (0x004) -#define ISP_SYSSTATUS (0x008) -#define ISP_IRQ0ENABLE (0x00C) -#define ISP_IRQ0STATUS (0x010) -#define ISP_IRQ1ENABLE (0x014) -#define ISP_IRQ1STATUS (0x018) -#define ISP_TCTRL_GRESET_LENGTH (0x030) -#define ISP_TCTRL_PSTRB_REPLAY (0x034) -#define ISP_CTRL (0x040) -#define ISP_SECURE (0x044) -#define ISP_TCTRL_CTRL (0x050) -#define ISP_TCTRL_FRAME (0x054) -#define ISP_TCTRL_PSTRB_DELAY (0x058) -#define ISP_TCTRL_STRB_DELAY (0x05C) -#define ISP_TCTRL_SHUT_DELAY (0x060) -#define ISP_TCTRL_PSTRB_LENGTH (0x064) -#define ISP_TCTRL_STRB_LENGTH (0x068) -#define ISP_TCTRL_SHUT_LENGTH (0x06C) -#define ISP_PING_PONG_ADDR (0x070) -#define ISP_PING_PONG_MEM_RANGE (0x074) -#define ISP_PING_PONG_BUF_SIZE (0x078) - -/* CCP2 receiver registers */ - -#define ISPCCP2_REVISION (0x000) -#define ISPCCP2_SYSCONFIG (0x004) -#define ISPCCP2_SYSCONFIG_SOFT_RESET (1 << 1) -#define ISPCCP2_SYSCONFIG_AUTO_IDLE 0x1 -#define ISPCCP2_SYSCONFIG_MSTANDBY_MODE_SHIFT 12 -#define ISPCCP2_SYSCONFIG_MSTANDBY_MODE_FORCE \ - (0x0 << ISPCCP2_SYSCONFIG_MSTANDBY_MODE_SHIFT) -#define ISPCCP2_SYSCONFIG_MSTANDBY_MODE_NO \ - (0x1 << ISPCCP2_SYSCONFIG_MSTANDBY_MODE_SHIFT) -#define ISPCCP2_SYSCONFIG_MSTANDBY_MODE_SMART \ - (0x2 << ISPCCP2_SYSCONFIG_MSTANDBY_MODE_SHIFT) -#define ISPCCP2_SYSSTATUS (0x008) -#define ISPCCP2_SYSSTATUS_RESET_DONE (1 << 0) -#define ISPCCP2_LC01_IRQENABLE (0x00C) -#define ISPCCP2_LC01_IRQSTATUS (0x010) -#define ISPCCP2_LC01_IRQSTATUS_LC0_FS_IRQ (1 << 11) -#define ISPCCP2_LC01_IRQSTATUS_LC0_LE_IRQ (1 << 10) -#define ISPCCP2_LC01_IRQSTATUS_LC0_LS_IRQ (1 << 9) -#define ISPCCP2_LC01_IRQSTATUS_LC0_FE_IRQ (1 << 8) -#define ISPCCP2_LC01_IRQSTATUS_LC0_COUNT_IRQ (1 << 7) -#define ISPCCP2_LC01_IRQSTATUS_LC0_FIFO_OVF_IRQ (1 << 5) -#define ISPCCP2_LC01_IRQSTATUS_LC0_CRC_IRQ (1 << 4) -#define ISPCCP2_LC01_IRQSTATUS_LC0_FSP_IRQ (1 << 3) -#define ISPCCP2_LC01_IRQSTATUS_LC0_FW_IRQ (1 << 2) -#define ISPCCP2_LC01_IRQSTATUS_LC0_FSC_IRQ (1 << 1) -#define ISPCCP2_LC01_IRQSTATUS_LC0_SSC_IRQ (1 << 0) - -#define ISPCCP2_LC23_IRQENABLE (0x014) -#define ISPCCP2_LC23_IRQSTATUS (0x018) -#define ISPCCP2_LCM_IRQENABLE (0x02C) -#define ISPCCP2_LCM_IRQSTATUS_EOF_IRQ (1 << 0) -#define ISPCCP2_LCM_IRQSTATUS_OCPERROR_IRQ (1 << 1) -#define ISPCCP2_LCM_IRQSTATUS (0x030) -#define ISPCCP2_CTRL (0x040) -#define ISPCCP2_CTRL_IF_EN (1 << 0) -#define ISPCCP2_CTRL_PHY_SEL (1 << 1) -#define ISPCCP2_CTRL_PHY_SEL_CLOCK (0 << 1) -#define ISPCCP2_CTRL_PHY_SEL_STROBE (1 << 1) -#define ISPCCP2_CTRL_PHY_SEL_MASK 0x1 -#define ISPCCP2_CTRL_PHY_SEL_SHIFT 1 -#define ISPCCP2_CTRL_IO_OUT_SEL (1 << 2) -#define ISPCCP2_CTRL_MODE (1 << 4) -#define ISPCCP2_CTRL_VP_CLK_FORCE_ON (1 << 9) -#define ISPCCP2_CTRL_INV (1 << 10) -#define ISPCCP2_CTRL_INV_MASK 0x1 -#define ISPCCP2_CTRL_INV_SHIFT 10 -#define ISPCCP2_CTRL_VP_ONLY_EN (1 << 11) -#define ISPCCP2_CTRL_VP_CLK_POL (1 << 12) -#define ISPCCP2_CTRL_VPCLK_DIV_SHIFT 15 -#define ISPCCP2_CTRL_VPCLK_DIV_MASK 0x1ffff /* [31:15] */ -#define ISPCCP2_CTRL_VP_OUT_CTRL_SHIFT 8 /* 3430 bits */ -#define ISPCCP2_CTRL_VP_OUT_CTRL_MASK 0x3 /* 3430 bits */ -#define ISPCCP2_DBG (0x044) -#define ISPCCP2_GNQ (0x048) -#define ISPCCP2_LCx_CTRL(x) ((0x050)+0x30*(x)) -#define ISPCCP2_LCx_CTRL_CHAN_EN (1 << 0) -#define ISPCCP2_LCx_CTRL_CRC_EN (1 << 19) -#define ISPCCP2_LCx_CTRL_CRC_MASK 0x1 -#define ISPCCP2_LCx_CTRL_CRC_SHIFT 2 -#define ISPCCP2_LCx_CTRL_CRC_SHIFT_15_0 19 -#define ISPCCP2_LCx_CTRL_REGION_EN (1 << 1) -#define ISPCCP2_LCx_CTRL_REGION_MASK 0x1 -#define ISPCCP2_LCx_CTRL_REGION_SHIFT 1 -#define ISPCCP2_LCx_CTRL_FORMAT_MASK_15_0 0x3f -#define ISPCCP2_LCx_CTRL_FORMAT_SHIFT_15_0 0x2 -#define ISPCCP2_LCx_CTRL_FORMAT_MASK 0x1f -#define ISPCCP2_LCx_CTRL_FORMAT_SHIFT 0x3 -#define ISPCCP2_LCx_CODE(x) ((0x054)+0x30*(x)) -#define ISPCCP2_LCx_STAT_START(x) ((0x058)+0x30*(x)) -#define ISPCCP2_LCx_STAT_SIZE(x) ((0x05C)+0x30*(x)) -#define ISPCCP2_LCx_SOF_ADDR(x) ((0x060)+0x30*(x)) -#define ISPCCP2_LCx_EOF_ADDR(x) ((0x064)+0x30*(x)) -#define ISPCCP2_LCx_DAT_START(x) ((0x068)+0x30*(x)) -#define ISPCCP2_LCx_DAT_SIZE(x) ((0x06C)+0x30*(x)) -#define ISPCCP2_LCx_DAT_MASK 0xFFF -#define ISPCCP2_LCx_DAT_SHIFT 16 -#define ISPCCP2_LCx_DAT_PING_ADDR(x) ((0x070)+0x30*(x)) -#define ISPCCP2_LCx_DAT_PONG_ADDR(x) ((0x074)+0x30*(x)) -#define ISPCCP2_LCx_DAT_OFST(x) ((0x078)+0x30*(x)) -#define ISPCCP2_LCM_CTRL (0x1D0) -#define ISPCCP2_LCM_CTRL_CHAN_EN (1 << 0) -#define ISPCCP2_LCM_CTRL_DST_PORT (1 << 2) -#define ISPCCP2_LCM_CTRL_DST_PORT_SHIFT 2 -#define ISPCCP2_LCM_CTRL_READ_THROTTLE_SHIFT 3 -#define ISPCCP2_LCM_CTRL_READ_THROTTLE_MASK 0x11 -#define ISPCCP2_LCM_CTRL_BURST_SIZE_SHIFT 5 -#define ISPCCP2_LCM_CTRL_BURST_SIZE_MASK 0x7 -#define ISPCCP2_LCM_CTRL_SRC_FORMAT_SHIFT 16 -#define ISPCCP2_LCM_CTRL_SRC_FORMAT_MASK 0x7 -#define ISPCCP2_LCM_CTRL_SRC_DECOMPR_SHIFT 20 -#define ISPCCP2_LCM_CTRL_SRC_DECOMPR_MASK 0x3 -#define ISPCCP2_LCM_CTRL_SRC_DPCM_PRED (1 << 22) -#define ISPCCP2_LCM_CTRL_SRC_PACK (1 << 23) -#define ISPCCP2_LCM_CTRL_DST_FORMAT_SHIFT 24 -#define ISPCCP2_LCM_CTRL_DST_FORMAT_MASK 0x7 -#define ISPCCP2_LCM_VSIZE (0x1D4) -#define ISPCCP2_LCM_VSIZE_SHIFT 16 -#define ISPCCP2_LCM_HSIZE (0x1D8) -#define ISPCCP2_LCM_HSIZE_SHIFT 16 -#define ISPCCP2_LCM_PREFETCH (0x1DC) -#define ISPCCP2_LCM_PREFETCH_SHIFT 3 -#define ISPCCP2_LCM_SRC_ADDR (0x1E0) -#define ISPCCP2_LCM_SRC_OFST (0x1E4) -#define ISPCCP2_LCM_DST_ADDR (0x1E8) -#define ISPCCP2_LCM_DST_OFST (0x1EC) - -/* CCDC module register offset */ - -#define ISPCCDC_PID (0x000) -#define ISPCCDC_PCR (0x004) -#define ISPCCDC_SYN_MODE (0x008) -#define ISPCCDC_HD_VD_WID (0x00C) -#define ISPCCDC_PIX_LINES (0x010) -#define ISPCCDC_HORZ_INFO (0x014) -#define ISPCCDC_VERT_START (0x018) -#define ISPCCDC_VERT_LINES (0x01C) -#define ISPCCDC_CULLING (0x020) -#define ISPCCDC_HSIZE_OFF (0x024) -#define ISPCCDC_SDOFST (0x028) -#define ISPCCDC_SDR_ADDR (0x02C) -#define ISPCCDC_CLAMP (0x030) -#define ISPCCDC_DCSUB (0x034) -#define ISPCCDC_COLPTN (0x038) -#define ISPCCDC_BLKCMP (0x03C) -#define ISPCCDC_FPC (0x040) -#define ISPCCDC_FPC_ADDR (0x044) -#define ISPCCDC_VDINT (0x048) -#define ISPCCDC_ALAW (0x04C) -#define ISPCCDC_REC656IF (0x050) -#define ISPCCDC_CFG (0x054) -#define ISPCCDC_FMTCFG (0x058) -#define ISPCCDC_FMT_HORZ (0x05C) -#define ISPCCDC_FMT_VERT (0x060) -#define ISPCCDC_FMT_ADDR0 (0x064) -#define ISPCCDC_FMT_ADDR1 (0x068) -#define ISPCCDC_FMT_ADDR2 (0x06C) -#define ISPCCDC_FMT_ADDR3 (0x070) -#define ISPCCDC_FMT_ADDR4 (0x074) -#define ISPCCDC_FMT_ADDR5 (0x078) -#define ISPCCDC_FMT_ADDR6 (0x07C) -#define ISPCCDC_FMT_ADDR7 (0x080) -#define ISPCCDC_PRGEVEN0 (0x084) -#define ISPCCDC_PRGEVEN1 (0x088) -#define ISPCCDC_PRGODD0 (0x08C) -#define ISPCCDC_PRGODD1 (0x090) -#define ISPCCDC_VP_OUT (0x094) - -#define ISPCCDC_LSC_CONFIG (0x098) -#define ISPCCDC_LSC_INITIAL (0x09C) -#define ISPCCDC_LSC_TABLE_BASE (0x0A0) -#define ISPCCDC_LSC_TABLE_OFFSET (0x0A4) - -/* SBL */ -#define ISPSBL_PCR 0x4 -#define ISPSBL_PCR_H3A_AEAWB_WBL_OVF (1 << 16) -#define ISPSBL_PCR_H3A_AF_WBL_OVF (1 << 17) -#define ISPSBL_PCR_RSZ4_WBL_OVF (1 << 18) -#define ISPSBL_PCR_RSZ3_WBL_OVF (1 << 19) -#define ISPSBL_PCR_RSZ2_WBL_OVF (1 << 20) -#define ISPSBL_PCR_RSZ1_WBL_OVF (1 << 21) -#define ISPSBL_PCR_PRV_WBL_OVF (1 << 22) -#define ISPSBL_PCR_CCDC_WBL_OVF (1 << 23) -#define ISPSBL_PCR_CCDCPRV_2_RSZ_OVF (1 << 24) -#define ISPSBL_PCR_CSIA_WBL_OVF (1 << 25) -#define ISPSBL_PCR_CSIB_WBL_OVF (1 << 26) -#define ISPSBL_CCDC_WR_0 (0x028) -#define ISPSBL_CCDC_WR_0_DATA_READY (1 << 21) -#define ISPSBL_CCDC_WR_1 (0x02C) -#define ISPSBL_CCDC_WR_2 (0x030) -#define ISPSBL_CCDC_WR_3 (0x034) - -#define ISPSBL_SDR_REQ_EXP 0xF8 -#define ISPSBL_SDR_REQ_HIST_EXP_SHIFT 0 -#define ISPSBL_SDR_REQ_HIST_EXP_MASK (0x3FF) -#define ISPSBL_SDR_REQ_RSZ_EXP_SHIFT 10 -#define ISPSBL_SDR_REQ_RSZ_EXP_MASK (0x3FF << ISPSBL_SDR_REQ_RSZ_EXP_SHIFT) -#define ISPSBL_SDR_REQ_PRV_EXP_SHIFT 20 -#define ISPSBL_SDR_REQ_PRV_EXP_MASK (0x3FF << ISPSBL_SDR_REQ_PRV_EXP_SHIFT) - -/* Histogram registers */ -#define ISPHIST_PID (0x000) -#define ISPHIST_PCR (0x004) -#define ISPHIST_CNT (0x008) -#define ISPHIST_WB_GAIN (0x00C) -#define ISPHIST_R0_HORZ (0x010) -#define ISPHIST_R0_VERT (0x014) -#define ISPHIST_R1_HORZ (0x018) -#define ISPHIST_R1_VERT (0x01C) -#define ISPHIST_R2_HORZ (0x020) -#define ISPHIST_R2_VERT (0x024) -#define ISPHIST_R3_HORZ (0x028) -#define ISPHIST_R3_VERT (0x02C) -#define ISPHIST_ADDR (0x030) -#define ISPHIST_DATA (0x034) -#define ISPHIST_RADD (0x038) -#define ISPHIST_RADD_OFF (0x03C) -#define ISPHIST_H_V_INFO (0x040) - -/* H3A module registers */ -#define ISPH3A_PID (0x000) -#define ISPH3A_PCR (0x004) -#define ISPH3A_AEWWIN1 (0x04C) -#define ISPH3A_AEWINSTART (0x050) -#define ISPH3A_AEWINBLK (0x054) -#define ISPH3A_AEWSUBWIN (0x058) -#define ISPH3A_AEWBUFST (0x05C) -#define ISPH3A_AFPAX1 (0x008) -#define ISPH3A_AFPAX2 (0x00C) -#define ISPH3A_AFPAXSTART (0x010) -#define ISPH3A_AFIIRSH (0x014) -#define ISPH3A_AFBUFST (0x018) -#define ISPH3A_AFCOEF010 (0x01C) -#define ISPH3A_AFCOEF032 (0x020) -#define ISPH3A_AFCOEF054 (0x024) -#define ISPH3A_AFCOEF076 (0x028) -#define ISPH3A_AFCOEF098 (0x02C) -#define ISPH3A_AFCOEF0010 (0x030) -#define ISPH3A_AFCOEF110 (0x034) -#define ISPH3A_AFCOEF132 (0x038) -#define ISPH3A_AFCOEF154 (0x03C) -#define ISPH3A_AFCOEF176 (0x040) -#define ISPH3A_AFCOEF198 (0x044) -#define ISPH3A_AFCOEF1010 (0x048) - -#define ISPPRV_PCR (0x004) -#define ISPPRV_HORZ_INFO (0x008) -#define ISPPRV_VERT_INFO (0x00C) -#define ISPPRV_RSDR_ADDR (0x010) -#define ISPPRV_RADR_OFFSET (0x014) -#define ISPPRV_DSDR_ADDR (0x018) -#define ISPPRV_DRKF_OFFSET (0x01C) -#define ISPPRV_WSDR_ADDR (0x020) -#define ISPPRV_WADD_OFFSET (0x024) -#define ISPPRV_AVE (0x028) -#define ISPPRV_HMED (0x02C) -#define ISPPRV_NF (0x030) -#define ISPPRV_WB_DGAIN (0x034) -#define ISPPRV_WBGAIN (0x038) -#define ISPPRV_WBSEL (0x03C) -#define ISPPRV_CFA (0x040) -#define ISPPRV_BLKADJOFF (0x044) -#define ISPPRV_RGB_MAT1 (0x048) -#define ISPPRV_RGB_MAT2 (0x04C) -#define ISPPRV_RGB_MAT3 (0x050) -#define ISPPRV_RGB_MAT4 (0x054) -#define ISPPRV_RGB_MAT5 (0x058) -#define ISPPRV_RGB_OFF1 (0x05C) -#define ISPPRV_RGB_OFF2 (0x060) -#define ISPPRV_CSC0 (0x064) -#define ISPPRV_CSC1 (0x068) -#define ISPPRV_CSC2 (0x06C) -#define ISPPRV_CSC_OFFSET (0x070) -#define ISPPRV_CNT_BRT (0x074) -#define ISPPRV_CSUP (0x078) -#define ISPPRV_SETUP_YC (0x07C) -#define ISPPRV_SET_TBL_ADDR (0x080) -#define ISPPRV_SET_TBL_DATA (0x084) -#define ISPPRV_CDC_THR0 (0x090) -#define ISPPRV_CDC_THR1 (ISPPRV_CDC_THR0 + (0x4)) -#define ISPPRV_CDC_THR2 (ISPPRV_CDC_THR0 + (0x4) * 2) -#define ISPPRV_CDC_THR3 (ISPPRV_CDC_THR0 + (0x4) * 3) - -#define ISPPRV_REDGAMMA_TABLE_ADDR 0x0000 -#define ISPPRV_GREENGAMMA_TABLE_ADDR 0x0400 -#define ISPPRV_BLUEGAMMA_TABLE_ADDR 0x0800 -#define ISPPRV_NF_TABLE_ADDR 0x0C00 -#define ISPPRV_YENH_TABLE_ADDR 0x1000 -#define ISPPRV_CFA_TABLE_ADDR 0x1400 - -#define ISPRSZ_MIN_OUTPUT 64 -#define ISPRSZ_MAX_OUTPUT 3312 - -/* Resizer module register offset */ -#define ISPRSZ_PID (0x000) -#define ISPRSZ_PCR (0x004) -#define ISPRSZ_CNT (0x008) -#define ISPRSZ_OUT_SIZE (0x00C) -#define ISPRSZ_IN_START (0x010) -#define ISPRSZ_IN_SIZE (0x014) -#define ISPRSZ_SDR_INADD (0x018) -#define ISPRSZ_SDR_INOFF (0x01C) -#define ISPRSZ_SDR_OUTADD (0x020) -#define ISPRSZ_SDR_OUTOFF (0x024) -#define ISPRSZ_HFILT10 (0x028) -#define ISPRSZ_HFILT32 (0x02C) -#define ISPRSZ_HFILT54 (0x030) -#define ISPRSZ_HFILT76 (0x034) -#define ISPRSZ_HFILT98 (0x038) -#define ISPRSZ_HFILT1110 (0x03C) -#define ISPRSZ_HFILT1312 (0x040) -#define ISPRSZ_HFILT1514 (0x044) -#define ISPRSZ_HFILT1716 (0x048) -#define ISPRSZ_HFILT1918 (0x04C) -#define ISPRSZ_HFILT2120 (0x050) -#define ISPRSZ_HFILT2322 (0x054) -#define ISPRSZ_HFILT2524 (0x058) -#define ISPRSZ_HFILT2726 (0x05C) -#define ISPRSZ_HFILT2928 (0x060) -#define ISPRSZ_HFILT3130 (0x064) -#define ISPRSZ_VFILT10 (0x068) -#define ISPRSZ_VFILT32 (0x06C) -#define ISPRSZ_VFILT54 (0x070) -#define ISPRSZ_VFILT76 (0x074) -#define ISPRSZ_VFILT98 (0x078) -#define ISPRSZ_VFILT1110 (0x07C) -#define ISPRSZ_VFILT1312 (0x080) -#define ISPRSZ_VFILT1514 (0x084) -#define ISPRSZ_VFILT1716 (0x088) -#define ISPRSZ_VFILT1918 (0x08C) -#define ISPRSZ_VFILT2120 (0x090) -#define ISPRSZ_VFILT2322 (0x094) -#define ISPRSZ_VFILT2524 (0x098) -#define ISPRSZ_VFILT2726 (0x09C) -#define ISPRSZ_VFILT2928 (0x0A0) -#define ISPRSZ_VFILT3130 (0x0A4) -#define ISPRSZ_YENH (0x0A8) - -#define ISP_INT_CLR 0xFF113F11 -#define ISPPRV_PCR_EN 1 -#define ISPPRV_PCR_BUSY (1 << 1) -#define ISPPRV_PCR_SOURCE (1 << 2) -#define ISPPRV_PCR_ONESHOT (1 << 3) -#define ISPPRV_PCR_WIDTH (1 << 4) -#define ISPPRV_PCR_INVALAW (1 << 5) -#define ISPPRV_PCR_DRKFEN (1 << 6) -#define ISPPRV_PCR_DRKFCAP (1 << 7) -#define ISPPRV_PCR_HMEDEN (1 << 8) -#define ISPPRV_PCR_NFEN (1 << 9) -#define ISPPRV_PCR_CFAEN (1 << 10) -#define ISPPRV_PCR_CFAFMT_SHIFT 11 -#define ISPPRV_PCR_CFAFMT_MASK 0x7800 -#define ISPPRV_PCR_CFAFMT_BAYER (0 << 11) -#define ISPPRV_PCR_CFAFMT_SONYVGA (1 << 11) -#define ISPPRV_PCR_CFAFMT_RGBFOVEON (2 << 11) -#define ISPPRV_PCR_CFAFMT_DNSPL (3 << 11) -#define ISPPRV_PCR_CFAFMT_HONEYCOMB (4 << 11) -#define ISPPRV_PCR_CFAFMT_RRGGBBFOVEON (5 << 11) -#define ISPPRV_PCR_YNENHEN (1 << 15) -#define ISPPRV_PCR_SUPEN (1 << 16) -#define ISPPRV_PCR_YCPOS_SHIFT 17 -#define ISPPRV_PCR_YCPOS_YCrYCb (0 << 17) -#define ISPPRV_PCR_YCPOS_YCbYCr (1 << 17) -#define ISPPRV_PCR_YCPOS_CbYCrY (2 << 17) -#define ISPPRV_PCR_YCPOS_CrYCbY (3 << 17) -#define ISPPRV_PCR_RSZPORT (1 << 19) -#define ISPPRV_PCR_SDRPORT (1 << 20) -#define ISPPRV_PCR_SCOMP_EN (1 << 21) -#define ISPPRV_PCR_SCOMP_SFT_SHIFT (22) -#define ISPPRV_PCR_SCOMP_SFT_MASK (7 << 22) -#define ISPPRV_PCR_GAMMA_BYPASS (1 << 26) -#define ISPPRV_PCR_DCOREN (1 << 27) -#define ISPPRV_PCR_DCCOUP (1 << 28) -#define ISPPRV_PCR_DRK_FAIL (1 << 31) - -#define ISPPRV_HORZ_INFO_EPH_SHIFT 0 -#define ISPPRV_HORZ_INFO_EPH_MASK 0x3fff -#define ISPPRV_HORZ_INFO_SPH_SHIFT 16 -#define ISPPRV_HORZ_INFO_SPH_MASK 0x3fff0 - -#define ISPPRV_VERT_INFO_ELV_SHIFT 0 -#define ISPPRV_VERT_INFO_ELV_MASK 0x3fff -#define ISPPRV_VERT_INFO_SLV_SHIFT 16 -#define ISPPRV_VERT_INFO_SLV_MASK 0x3fff0 - -#define ISPPRV_AVE_EVENDIST_SHIFT 2 -#define ISPPRV_AVE_EVENDIST_1 0x0 -#define ISPPRV_AVE_EVENDIST_2 0x1 -#define ISPPRV_AVE_EVENDIST_3 0x2 -#define ISPPRV_AVE_EVENDIST_4 0x3 -#define ISPPRV_AVE_ODDDIST_SHIFT 4 -#define ISPPRV_AVE_ODDDIST_1 0x0 -#define ISPPRV_AVE_ODDDIST_2 0x1 -#define ISPPRV_AVE_ODDDIST_3 0x2 -#define ISPPRV_AVE_ODDDIST_4 0x3 - -#define ISPPRV_HMED_THRESHOLD_SHIFT 0 -#define ISPPRV_HMED_EVENDIST (1 << 8) -#define ISPPRV_HMED_ODDDIST (1 << 9) - -#define ISPPRV_WBGAIN_COEF0_SHIFT 0 -#define ISPPRV_WBGAIN_COEF1_SHIFT 8 -#define ISPPRV_WBGAIN_COEF2_SHIFT 16 -#define ISPPRV_WBGAIN_COEF3_SHIFT 24 - -#define ISPPRV_WBSEL_COEF0 0x0 -#define ISPPRV_WBSEL_COEF1 0x1 -#define ISPPRV_WBSEL_COEF2 0x2 -#define ISPPRV_WBSEL_COEF3 0x3 - -#define ISPPRV_WBSEL_N0_0_SHIFT 0 -#define ISPPRV_WBSEL_N0_1_SHIFT 2 -#define ISPPRV_WBSEL_N0_2_SHIFT 4 -#define ISPPRV_WBSEL_N0_3_SHIFT 6 -#define ISPPRV_WBSEL_N1_0_SHIFT 8 -#define ISPPRV_WBSEL_N1_1_SHIFT 10 -#define ISPPRV_WBSEL_N1_2_SHIFT 12 -#define ISPPRV_WBSEL_N1_3_SHIFT 14 -#define ISPPRV_WBSEL_N2_0_SHIFT 16 -#define ISPPRV_WBSEL_N2_1_SHIFT 18 -#define ISPPRV_WBSEL_N2_2_SHIFT 20 -#define ISPPRV_WBSEL_N2_3_SHIFT 22 -#define ISPPRV_WBSEL_N3_0_SHIFT 24 -#define ISPPRV_WBSEL_N3_1_SHIFT 26 -#define ISPPRV_WBSEL_N3_2_SHIFT 28 -#define ISPPRV_WBSEL_N3_3_SHIFT 30 - -#define ISPPRV_CFA_GRADTH_HOR_SHIFT 0 -#define ISPPRV_CFA_GRADTH_VER_SHIFT 8 - -#define ISPPRV_BLKADJOFF_B_SHIFT 0 -#define ISPPRV_BLKADJOFF_G_SHIFT 8 -#define ISPPRV_BLKADJOFF_R_SHIFT 16 - -#define ISPPRV_RGB_MAT1_MTX_RR_SHIFT 0 -#define ISPPRV_RGB_MAT1_MTX_GR_SHIFT 16 - -#define ISPPRV_RGB_MAT2_MTX_BR_SHIFT 0 -#define ISPPRV_RGB_MAT2_MTX_RG_SHIFT 16 - -#define ISPPRV_RGB_MAT3_MTX_GG_SHIFT 0 -#define ISPPRV_RGB_MAT3_MTX_BG_SHIFT 16 - -#define ISPPRV_RGB_MAT4_MTX_RB_SHIFT 0 -#define ISPPRV_RGB_MAT4_MTX_GB_SHIFT 16 - -#define ISPPRV_RGB_MAT5_MTX_BB_SHIFT 0 - -#define ISPPRV_RGB_OFF1_MTX_OFFG_SHIFT 0 -#define ISPPRV_RGB_OFF1_MTX_OFFR_SHIFT 16 - -#define ISPPRV_RGB_OFF2_MTX_OFFB_SHIFT 0 - -#define ISPPRV_CSC0_RY_SHIFT 0 -#define ISPPRV_CSC0_GY_SHIFT 10 -#define ISPPRV_CSC0_BY_SHIFT 20 - -#define ISPPRV_CSC1_RCB_SHIFT 0 -#define ISPPRV_CSC1_GCB_SHIFT 10 -#define ISPPRV_CSC1_BCB_SHIFT 20 - -#define ISPPRV_CSC2_RCR_SHIFT 0 -#define ISPPRV_CSC2_GCR_SHIFT 10 -#define ISPPRV_CSC2_BCR_SHIFT 20 - -#define ISPPRV_CSC_OFFSET_CR_SHIFT 0 -#define ISPPRV_CSC_OFFSET_CB_SHIFT 8 -#define ISPPRV_CSC_OFFSET_Y_SHIFT 16 - -#define ISPPRV_CNT_BRT_BRT_SHIFT 0 -#define ISPPRV_CNT_BRT_CNT_SHIFT 8 - -#define ISPPRV_CONTRAST_MAX 0x10 -#define ISPPRV_CONTRAST_MIN 0xFF -#define ISPPRV_BRIGHT_MIN 0x00 -#define ISPPRV_BRIGHT_MAX 0xFF - -#define ISPPRV_CSUP_CSUPG_SHIFT 0 -#define ISPPRV_CSUP_THRES_SHIFT 8 -#define ISPPRV_CSUP_HPYF_SHIFT 16 - -#define ISPPRV_SETUP_YC_MINC_SHIFT 0 -#define ISPPRV_SETUP_YC_MAXC_SHIFT 8 -#define ISPPRV_SETUP_YC_MINY_SHIFT 16 -#define ISPPRV_SETUP_YC_MAXY_SHIFT 24 -#define ISPPRV_YC_MAX 0xFF -#define ISPPRV_YC_MIN 0x0 - -/* Define bit fields within selected registers */ -#define ISP_REVISION_SHIFT 0 - -#define ISP_SYSCONFIG_AUTOIDLE (1 << 0) -#define ISP_SYSCONFIG_SOFTRESET (1 << 1) -#define ISP_SYSCONFIG_MIDLEMODE_SHIFT 12 -#define ISP_SYSCONFIG_MIDLEMODE_FORCESTANDBY 0x0 -#define ISP_SYSCONFIG_MIDLEMODE_NOSTANBY 0x1 -#define ISP_SYSCONFIG_MIDLEMODE_SMARTSTANDBY 0x2 - -#define ISP_SYSSTATUS_RESETDONE 0 - -#define IRQ0ENABLE_CSIA_IRQ (1 << 0) -#define IRQ0ENABLE_CSIC_IRQ (1 << 1) -#define IRQ0ENABLE_CCP2_LCM_IRQ (1 << 3) -#define IRQ0ENABLE_CCP2_LC0_IRQ (1 << 4) -#define IRQ0ENABLE_CCP2_LC1_IRQ (1 << 5) -#define IRQ0ENABLE_CCP2_LC2_IRQ (1 << 6) -#define IRQ0ENABLE_CCP2_LC3_IRQ (1 << 7) -#define IRQ0ENABLE_CSIB_IRQ (IRQ0ENABLE_CCP2_LCM_IRQ | \ - IRQ0ENABLE_CCP2_LC0_IRQ | \ - IRQ0ENABLE_CCP2_LC1_IRQ | \ - IRQ0ENABLE_CCP2_LC2_IRQ | \ - IRQ0ENABLE_CCP2_LC3_IRQ) - -#define IRQ0ENABLE_CCDC_VD0_IRQ (1 << 8) -#define IRQ0ENABLE_CCDC_VD1_IRQ (1 << 9) -#define IRQ0ENABLE_CCDC_VD2_IRQ (1 << 10) -#define IRQ0ENABLE_CCDC_ERR_IRQ (1 << 11) -#define IRQ0ENABLE_H3A_AF_DONE_IRQ (1 << 12) -#define IRQ0ENABLE_H3A_AWB_DONE_IRQ (1 << 13) -#define IRQ0ENABLE_HIST_DONE_IRQ (1 << 16) -#define IRQ0ENABLE_CCDC_LSC_DONE_IRQ (1 << 17) -#define IRQ0ENABLE_CCDC_LSC_PREF_COMP_IRQ (1 << 18) -#define IRQ0ENABLE_CCDC_LSC_PREF_ERR_IRQ (1 << 19) -#define IRQ0ENABLE_PRV_DONE_IRQ (1 << 20) -#define IRQ0ENABLE_RSZ_DONE_IRQ (1 << 24) -#define IRQ0ENABLE_OVF_IRQ (1 << 25) -#define IRQ0ENABLE_PING_IRQ (1 << 26) -#define IRQ0ENABLE_PONG_IRQ (1 << 27) -#define IRQ0ENABLE_MMU_ERR_IRQ (1 << 28) -#define IRQ0ENABLE_OCP_ERR_IRQ (1 << 29) -#define IRQ0ENABLE_SEC_ERR_IRQ (1 << 30) -#define IRQ0ENABLE_HS_VS_IRQ (1 << 31) - -#define IRQ0STATUS_CSIA_IRQ (1 << 0) -#define IRQ0STATUS_CSI2C_IRQ (1 << 1) -#define IRQ0STATUS_CCP2_LCM_IRQ (1 << 3) -#define IRQ0STATUS_CCP2_LC0_IRQ (1 << 4) -#define IRQ0STATUS_CSIB_IRQ (IRQ0STATUS_CCP2_LCM_IRQ | \ - IRQ0STATUS_CCP2_LC0_IRQ) - -#define IRQ0STATUS_CSIB_LC1_IRQ (1 << 5) -#define IRQ0STATUS_CSIB_LC2_IRQ (1 << 6) -#define IRQ0STATUS_CSIB_LC3_IRQ (1 << 7) -#define IRQ0STATUS_CCDC_VD0_IRQ (1 << 8) -#define IRQ0STATUS_CCDC_VD1_IRQ (1 << 9) -#define IRQ0STATUS_CCDC_VD2_IRQ (1 << 10) -#define IRQ0STATUS_CCDC_ERR_IRQ (1 << 11) -#define IRQ0STATUS_H3A_AF_DONE_IRQ (1 << 12) -#define IRQ0STATUS_H3A_AWB_DONE_IRQ (1 << 13) -#define IRQ0STATUS_HIST_DONE_IRQ (1 << 16) -#define IRQ0STATUS_CCDC_LSC_DONE_IRQ (1 << 17) -#define IRQ0STATUS_CCDC_LSC_PREF_COMP_IRQ (1 << 18) -#define IRQ0STATUS_CCDC_LSC_PREF_ERR_IRQ (1 << 19) -#define IRQ0STATUS_PRV_DONE_IRQ (1 << 20) -#define IRQ0STATUS_RSZ_DONE_IRQ (1 << 24) -#define IRQ0STATUS_OVF_IRQ (1 << 25) -#define IRQ0STATUS_PING_IRQ (1 << 26) -#define IRQ0STATUS_PONG_IRQ (1 << 27) -#define IRQ0STATUS_MMU_ERR_IRQ (1 << 28) -#define IRQ0STATUS_OCP_ERR_IRQ (1 << 29) -#define IRQ0STATUS_SEC_ERR_IRQ (1 << 30) -#define IRQ0STATUS_HS_VS_IRQ (1 << 31) - -#define TCTRL_GRESET_LEN 0 - -#define TCTRL_PSTRB_REPLAY_DELAY 0 -#define TCTRL_PSTRB_REPLAY_COUNTER_SHIFT 25 - -#define ISPCTRL_PAR_SER_CLK_SEL_PARALLEL 0x0 -#define ISPCTRL_PAR_SER_CLK_SEL_CSIA 0x1 -#define ISPCTRL_PAR_SER_CLK_SEL_CSIB 0x2 -#define ISPCTRL_PAR_SER_CLK_SEL_CSIC 0x3 -#define ISPCTRL_PAR_SER_CLK_SEL_MASK 0x3 - -#define ISPCTRL_PAR_BRIDGE_SHIFT 2 -#define ISPCTRL_PAR_BRIDGE_DISABLE (0x0 << 2) -#define ISPCTRL_PAR_BRIDGE_LENDIAN (0x2 << 2) -#define ISPCTRL_PAR_BRIDGE_BENDIAN (0x3 << 2) -#define ISPCTRL_PAR_BRIDGE_MASK (0x3 << 2) - -#define ISPCTRL_PAR_CLK_POL_SHIFT 4 -#define ISPCTRL_PAR_CLK_POL_INV (1 << 4) -#define ISPCTRL_PING_PONG_EN (1 << 5) -#define ISPCTRL_SHIFT_SHIFT 6 -#define ISPCTRL_SHIFT_0 (0x0 << 6) -#define ISPCTRL_SHIFT_2 (0x1 << 6) -#define ISPCTRL_SHIFT_4 (0x2 << 6) -#define ISPCTRL_SHIFT_MASK (0x3 << 6) - -#define ISPCTRL_CCDC_CLK_EN (1 << 8) -#define ISPCTRL_SCMP_CLK_EN (1 << 9) -#define ISPCTRL_H3A_CLK_EN (1 << 10) -#define ISPCTRL_HIST_CLK_EN (1 << 11) -#define ISPCTRL_PREV_CLK_EN (1 << 12) -#define ISPCTRL_RSZ_CLK_EN (1 << 13) -#define ISPCTRL_SYNC_DETECT_SHIFT 14 -#define ISPCTRL_SYNC_DETECT_HSFALL (0x0 << ISPCTRL_SYNC_DETECT_SHIFT) -#define ISPCTRL_SYNC_DETECT_HSRISE (0x1 << ISPCTRL_SYNC_DETECT_SHIFT) -#define ISPCTRL_SYNC_DETECT_VSFALL (0x2 << ISPCTRL_SYNC_DETECT_SHIFT) -#define ISPCTRL_SYNC_DETECT_VSRISE (0x3 << ISPCTRL_SYNC_DETECT_SHIFT) -#define ISPCTRL_SYNC_DETECT_MASK (0x3 << ISPCTRL_SYNC_DETECT_SHIFT) - -#define ISPCTRL_CCDC_RAM_EN (1 << 16) -#define ISPCTRL_PREV_RAM_EN (1 << 17) -#define ISPCTRL_SBL_RD_RAM_EN (1 << 18) -#define ISPCTRL_SBL_WR1_RAM_EN (1 << 19) -#define ISPCTRL_SBL_WR0_RAM_EN (1 << 20) -#define ISPCTRL_SBL_AUTOIDLE (1 << 21) -#define ISPCTRL_SBL_SHARED_WPORTC (1 << 26) -#define ISPCTRL_SBL_SHARED_RPORTA (1 << 27) -#define ISPCTRL_SBL_SHARED_RPORTB (1 << 28) -#define ISPCTRL_JPEG_FLUSH (1 << 30) -#define ISPCTRL_CCDC_FLUSH (1 << 31) - -#define ISPSECURE_SECUREMODE 0 - -#define ISPTCTRL_CTRL_DIV_LOW 0x0 -#define ISPTCTRL_CTRL_DIV_HIGH 0x1 -#define ISPTCTRL_CTRL_DIV_BYPASS 0x1F - -#define ISPTCTRL_CTRL_DIVA_SHIFT 0 -#define ISPTCTRL_CTRL_DIVA_MASK (0x1F << ISPTCTRL_CTRL_DIVA_SHIFT) - -#define ISPTCTRL_CTRL_DIVB_SHIFT 5 -#define ISPTCTRL_CTRL_DIVB_MASK (0x1F << ISPTCTRL_CTRL_DIVB_SHIFT) - -#define ISPTCTRL_CTRL_DIVC_SHIFT 10 -#define ISPTCTRL_CTRL_DIVC_NOCLOCK (0x0 << 10) - -#define ISPTCTRL_CTRL_SHUTEN (1 << 21) -#define ISPTCTRL_CTRL_PSTRBEN (1 << 22) -#define ISPTCTRL_CTRL_STRBEN (1 << 23) -#define ISPTCTRL_CTRL_SHUTPOL (1 << 24) -#define ISPTCTRL_CTRL_STRBPSTRBPOL (1 << 26) - -#define ISPTCTRL_CTRL_INSEL_SHIFT 27 -#define ISPTCTRL_CTRL_INSEL_PARALLEL (0x0 << 27) -#define ISPTCTRL_CTRL_INSEL_CSIA (0x1 << 27) -#define ISPTCTRL_CTRL_INSEL_CSIB (0x2 << 27) - -#define ISPTCTRL_CTRL_GRESETEn (1 << 29) -#define ISPTCTRL_CTRL_GRESETPOL (1 << 30) -#define ISPTCTRL_CTRL_GRESETDIR (1 << 31) - -#define ISPTCTRL_FRAME_SHUT_SHIFT 0 -#define ISPTCTRL_FRAME_PSTRB_SHIFT 6 -#define ISPTCTRL_FRAME_STRB_SHIFT 12 - -#define ISPCCDC_PID_PREV_SHIFT 0 -#define ISPCCDC_PID_CID_SHIFT 8 -#define ISPCCDC_PID_TID_SHIFT 16 - -#define ISPCCDC_PCR_EN 1 -#define ISPCCDC_PCR_BUSY (1 << 1) - -#define ISPCCDC_SYN_MODE_VDHDOUT 0x1 -#define ISPCCDC_SYN_MODE_FLDOUT (1 << 1) -#define ISPCCDC_SYN_MODE_VDPOL (1 << 2) -#define ISPCCDC_SYN_MODE_HDPOL (1 << 3) -#define ISPCCDC_SYN_MODE_FLDPOL (1 << 4) -#define ISPCCDC_SYN_MODE_EXWEN (1 << 5) -#define ISPCCDC_SYN_MODE_DATAPOL (1 << 6) -#define ISPCCDC_SYN_MODE_FLDMODE (1 << 7) -#define ISPCCDC_SYN_MODE_DATSIZ_MASK (0x7 << 8) -#define ISPCCDC_SYN_MODE_DATSIZ_8_16 (0x0 << 8) -#define ISPCCDC_SYN_MODE_DATSIZ_12 (0x4 << 8) -#define ISPCCDC_SYN_MODE_DATSIZ_11 (0x5 << 8) -#define ISPCCDC_SYN_MODE_DATSIZ_10 (0x6 << 8) -#define ISPCCDC_SYN_MODE_DATSIZ_8 (0x7 << 8) -#define ISPCCDC_SYN_MODE_PACK8 (1 << 11) -#define ISPCCDC_SYN_MODE_INPMOD_MASK (3 << 12) -#define ISPCCDC_SYN_MODE_INPMOD_RAW (0 << 12) -#define ISPCCDC_SYN_MODE_INPMOD_YCBCR16 (1 << 12) -#define ISPCCDC_SYN_MODE_INPMOD_YCBCR8 (2 << 12) -#define ISPCCDC_SYN_MODE_LPF (1 << 14) -#define ISPCCDC_SYN_MODE_FLDSTAT (1 << 15) -#define ISPCCDC_SYN_MODE_VDHDEN (1 << 16) -#define ISPCCDC_SYN_MODE_WEN (1 << 17) -#define ISPCCDC_SYN_MODE_VP2SDR (1 << 18) -#define ISPCCDC_SYN_MODE_SDR2RSZ (1 << 19) - -#define ISPCCDC_HD_VD_WID_VDW_SHIFT 0 -#define ISPCCDC_HD_VD_WID_HDW_SHIFT 16 - -#define ISPCCDC_PIX_LINES_HLPRF_SHIFT 0 -#define ISPCCDC_PIX_LINES_PPLN_SHIFT 16 - -#define ISPCCDC_HORZ_INFO_NPH_SHIFT 0 -#define ISPCCDC_HORZ_INFO_NPH_MASK 0x00007fff -#define ISPCCDC_HORZ_INFO_SPH_SHIFT 16 -#define ISPCCDC_HORZ_INFO_SPH_MASK 0x7fff0000 - -#define ISPCCDC_VERT_START_SLV1_SHIFT 0 -#define ISPCCDC_VERT_START_SLV0_SHIFT 16 -#define ISPCCDC_VERT_START_SLV0_MASK 0x7fff0000 - -#define ISPCCDC_VERT_LINES_NLV_SHIFT 0 -#define ISPCCDC_VERT_LINES_NLV_MASK 0x00007fff - -#define ISPCCDC_CULLING_CULV_SHIFT 0 -#define ISPCCDC_CULLING_CULHODD_SHIFT 16 -#define ISPCCDC_CULLING_CULHEVN_SHIFT 24 - -#define ISPCCDC_HSIZE_OFF_SHIFT 0 - -#define ISPCCDC_SDOFST_FINV (1 << 14) -#define ISPCCDC_SDOFST_FOFST_1L 0 -#define ISPCCDC_SDOFST_FOFST_4L (3 << 12) -#define ISPCCDC_SDOFST_LOFST3_SHIFT 0 -#define ISPCCDC_SDOFST_LOFST2_SHIFT 3 -#define ISPCCDC_SDOFST_LOFST1_SHIFT 6 -#define ISPCCDC_SDOFST_LOFST0_SHIFT 9 -#define EVENEVEN 1 -#define ODDEVEN 2 -#define EVENODD 3 -#define ODDODD 4 - -#define ISPCCDC_CLAMP_OBGAIN_SHIFT 0 -#define ISPCCDC_CLAMP_OBST_SHIFT 10 -#define ISPCCDC_CLAMP_OBSLN_SHIFT 25 -#define ISPCCDC_CLAMP_OBSLEN_SHIFT 28 -#define ISPCCDC_CLAMP_CLAMPEN (1 << 31) - -#define ISPCCDC_COLPTN_R_Ye 0x0 -#define ISPCCDC_COLPTN_Gr_Cy 0x1 -#define ISPCCDC_COLPTN_Gb_G 0x2 -#define ISPCCDC_COLPTN_B_Mg 0x3 -#define ISPCCDC_COLPTN_CP0PLC0_SHIFT 0 -#define ISPCCDC_COLPTN_CP0PLC1_SHIFT 2 -#define ISPCCDC_COLPTN_CP0PLC2_SHIFT 4 -#define ISPCCDC_COLPTN_CP0PLC3_SHIFT 6 -#define ISPCCDC_COLPTN_CP1PLC0_SHIFT 8 -#define ISPCCDC_COLPTN_CP1PLC1_SHIFT 10 -#define ISPCCDC_COLPTN_CP1PLC2_SHIFT 12 -#define ISPCCDC_COLPTN_CP1PLC3_SHIFT 14 -#define ISPCCDC_COLPTN_CP2PLC0_SHIFT 16 -#define ISPCCDC_COLPTN_CP2PLC1_SHIFT 18 -#define ISPCCDC_COLPTN_CP2PLC2_SHIFT 20 -#define ISPCCDC_COLPTN_CP2PLC3_SHIFT 22 -#define ISPCCDC_COLPTN_CP3PLC0_SHIFT 24 -#define ISPCCDC_COLPTN_CP3PLC1_SHIFT 26 -#define ISPCCDC_COLPTN_CP3PLC2_SHIFT 28 -#define ISPCCDC_COLPTN_CP3PLC3_SHIFT 30 - -#define ISPCCDC_BLKCMP_B_MG_SHIFT 0 -#define ISPCCDC_BLKCMP_GB_G_SHIFT 8 -#define ISPCCDC_BLKCMP_GR_CY_SHIFT 16 -#define ISPCCDC_BLKCMP_R_YE_SHIFT 24 - -#define ISPCCDC_FPC_FPNUM_SHIFT 0 -#define ISPCCDC_FPC_FPCEN (1 << 15) -#define ISPCCDC_FPC_FPERR (1 << 16) - -#define ISPCCDC_VDINT_1_SHIFT 0 -#define ISPCCDC_VDINT_1_MASK 0x00007fff -#define ISPCCDC_VDINT_0_SHIFT 16 -#define ISPCCDC_VDINT_0_MASK 0x7fff0000 - -#define ISPCCDC_ALAW_GWDI_12_3 (0x3 << 0) -#define ISPCCDC_ALAW_GWDI_11_2 (0x4 << 0) -#define ISPCCDC_ALAW_GWDI_10_1 (0x5 << 0) -#define ISPCCDC_ALAW_GWDI_9_0 (0x6 << 0) -#define ISPCCDC_ALAW_CCDTBL (1 << 3) - -#define ISPCCDC_REC656IF_R656ON 1 -#define ISPCCDC_REC656IF_ECCFVH (1 << 1) - -#define ISPCCDC_CFG_BW656 (1 << 5) -#define ISPCCDC_CFG_FIDMD_SHIFT 6 -#define ISPCCDC_CFG_WENLOG (1 << 8) -#define ISPCCDC_CFG_WENLOG_AND (0 << 8) -#define ISPCCDC_CFG_WENLOG_OR (1 << 8) -#define ISPCCDC_CFG_Y8POS (1 << 11) -#define ISPCCDC_CFG_BSWD (1 << 12) -#define ISPCCDC_CFG_MSBINVI (1 << 13) -#define ISPCCDC_CFG_VDLC (1 << 15) - -#define ISPCCDC_FMTCFG_FMTEN 0x1 -#define ISPCCDC_FMTCFG_LNALT (1 << 1) -#define ISPCCDC_FMTCFG_LNUM_SHIFT 2 -#define ISPCCDC_FMTCFG_PLEN_ODD_SHIFT 4 -#define ISPCCDC_FMTCFG_PLEN_EVEN_SHIFT 8 -#define ISPCCDC_FMTCFG_VPIN_MASK 0x00007000 -#define ISPCCDC_FMTCFG_VPIN_12_3 (0x3 << 12) -#define ISPCCDC_FMTCFG_VPIN_11_2 (0x4 << 12) -#define ISPCCDC_FMTCFG_VPIN_10_1 (0x5 << 12) -#define ISPCCDC_FMTCFG_VPIN_9_0 (0x6 << 12) -#define ISPCCDC_FMTCFG_VPEN (1 << 15) - -#define ISPCCDC_FMTCFG_VPIF_FRQ_MASK 0x003f0000 -#define ISPCCDC_FMTCFG_VPIF_FRQ_SHIFT 16 -#define ISPCCDC_FMTCFG_VPIF_FRQ_BY2 (0x0 << 16) -#define ISPCCDC_FMTCFG_VPIF_FRQ_BY3 (0x1 << 16) -#define ISPCCDC_FMTCFG_VPIF_FRQ_BY4 (0x2 << 16) -#define ISPCCDC_FMTCFG_VPIF_FRQ_BY5 (0x3 << 16) -#define ISPCCDC_FMTCFG_VPIF_FRQ_BY6 (0x4 << 16) - -#define ISPCCDC_FMT_HORZ_FMTLNH_SHIFT 0 -#define ISPCCDC_FMT_HORZ_FMTSPH_SHIFT 16 - -#define ISPCCDC_FMT_VERT_FMTLNV_SHIFT 0 -#define ISPCCDC_FMT_VERT_FMTSLV_SHIFT 16 - -#define ISPCCDC_FMT_HORZ_FMTSPH_MASK 0x1fff0000 -#define ISPCCDC_FMT_HORZ_FMTLNH_MASK 0x00001fff - -#define ISPCCDC_FMT_VERT_FMTSLV_MASK 0x1fff0000 -#define ISPCCDC_FMT_VERT_FMTLNV_MASK 0x00001fff - -#define ISPCCDC_VP_OUT_HORZ_ST_SHIFT 0 -#define ISPCCDC_VP_OUT_HORZ_NUM_SHIFT 4 -#define ISPCCDC_VP_OUT_VERT_NUM_SHIFT 17 - -#define ISPRSZ_PID_PREV_SHIFT 0 -#define ISPRSZ_PID_CID_SHIFT 8 -#define ISPRSZ_PID_TID_SHIFT 16 - -#define ISPRSZ_PCR_ENABLE (1 << 0) -#define ISPRSZ_PCR_BUSY (1 << 1) -#define ISPRSZ_PCR_ONESHOT (1 << 2) - -#define ISPRSZ_CNT_HRSZ_SHIFT 0 -#define ISPRSZ_CNT_HRSZ_MASK \ - (0x3FF << ISPRSZ_CNT_HRSZ_SHIFT) -#define ISPRSZ_CNT_VRSZ_SHIFT 10 -#define ISPRSZ_CNT_VRSZ_MASK \ - (0x3FF << ISPRSZ_CNT_VRSZ_SHIFT) -#define ISPRSZ_CNT_HSTPH_SHIFT 20 -#define ISPRSZ_CNT_HSTPH_MASK (0x7 << ISPRSZ_CNT_HSTPH_SHIFT) -#define ISPRSZ_CNT_VSTPH_SHIFT 23 -#define ISPRSZ_CNT_VSTPH_MASK (0x7 << ISPRSZ_CNT_VSTPH_SHIFT) -#define ISPRSZ_CNT_YCPOS (1 << 26) -#define ISPRSZ_CNT_INPTYP (1 << 27) -#define ISPRSZ_CNT_INPSRC (1 << 28) -#define ISPRSZ_CNT_CBILIN (1 << 29) - -#define ISPRSZ_OUT_SIZE_HORZ_SHIFT 0 -#define ISPRSZ_OUT_SIZE_HORZ_MASK \ - (0xFFF << ISPRSZ_OUT_SIZE_HORZ_SHIFT) -#define ISPRSZ_OUT_SIZE_VERT_SHIFT 16 -#define ISPRSZ_OUT_SIZE_VERT_MASK \ - (0xFFF << ISPRSZ_OUT_SIZE_VERT_SHIFT) - -#define ISPRSZ_IN_START_HORZ_ST_SHIFT 0 -#define ISPRSZ_IN_START_HORZ_ST_MASK \ - (0x1FFF << ISPRSZ_IN_START_HORZ_ST_SHIFT) -#define ISPRSZ_IN_START_VERT_ST_SHIFT 16 -#define ISPRSZ_IN_START_VERT_ST_MASK \ - (0x1FFF << ISPRSZ_IN_START_VERT_ST_SHIFT) - -#define ISPRSZ_IN_SIZE_HORZ_SHIFT 0 -#define ISPRSZ_IN_SIZE_HORZ_MASK \ - (0x1FFF << ISPRSZ_IN_SIZE_HORZ_SHIFT) -#define ISPRSZ_IN_SIZE_VERT_SHIFT 16 -#define ISPRSZ_IN_SIZE_VERT_MASK \ - (0x1FFF << ISPRSZ_IN_SIZE_VERT_SHIFT) - -#define ISPRSZ_SDR_INADD_ADDR_SHIFT 0 -#define ISPRSZ_SDR_INADD_ADDR_MASK 0xFFFFFFFF - -#define ISPRSZ_SDR_INOFF_OFFSET_SHIFT 0 -#define ISPRSZ_SDR_INOFF_OFFSET_MASK \ - (0xFFFF << ISPRSZ_SDR_INOFF_OFFSET_SHIFT) - -#define ISPRSZ_SDR_OUTADD_ADDR_SHIFT 0 -#define ISPRSZ_SDR_OUTADD_ADDR_MASK 0xFFFFFFFF - - -#define ISPRSZ_SDR_OUTOFF_OFFSET_SHIFT 0 -#define ISPRSZ_SDR_OUTOFF_OFFSET_MASK \ - (0xFFFF << ISPRSZ_SDR_OUTOFF_OFFSET_SHIFT) - -#define ISPRSZ_HFILT_COEF0_SHIFT 0 -#define ISPRSZ_HFILT_COEF0_MASK \ - (0x3FF << ISPRSZ_HFILT_COEF0_SHIFT) -#define ISPRSZ_HFILT_COEF1_SHIFT 16 -#define ISPRSZ_HFILT_COEF1_MASK \ - (0x3FF << ISPRSZ_HFILT_COEF1_SHIFT) - -#define ISPRSZ_HFILT32_COEF2_SHIFT 0 -#define ISPRSZ_HFILT32_COEF2_MASK 0x3FF -#define ISPRSZ_HFILT32_COEF3_SHIFT 16 -#define ISPRSZ_HFILT32_COEF3_MASK 0x3FF0000 - -#define ISPRSZ_HFILT54_COEF4_SHIFT 0 -#define ISPRSZ_HFILT54_COEF4_MASK 0x3FF -#define ISPRSZ_HFILT54_COEF5_SHIFT 16 -#define ISPRSZ_HFILT54_COEF5_MASK 0x3FF0000 - -#define ISPRSZ_HFILT76_COEFF6_SHIFT 0 -#define ISPRSZ_HFILT76_COEFF6_MASK 0x3FF -#define ISPRSZ_HFILT76_COEFF7_SHIFT 16 -#define ISPRSZ_HFILT76_COEFF7_MASK 0x3FF0000 - -#define ISPRSZ_HFILT98_COEFF8_SHIFT 0 -#define ISPRSZ_HFILT98_COEFF8_MASK 0x3FF -#define ISPRSZ_HFILT98_COEFF9_SHIFT 16 -#define ISPRSZ_HFILT98_COEFF9_MASK 0x3FF0000 - -#define ISPRSZ_HFILT1110_COEF10_SHIFT 0 -#define ISPRSZ_HFILT1110_COEF10_MASK 0x3FF -#define ISPRSZ_HFILT1110_COEF11_SHIFT 16 -#define ISPRSZ_HFILT1110_COEF11_MASK 0x3FF0000 - -#define ISPRSZ_HFILT1312_COEFF12_SHIFT 0 -#define ISPRSZ_HFILT1312_COEFF12_MASK 0x3FF -#define ISPRSZ_HFILT1312_COEFF13_SHIFT 16 -#define ISPRSZ_HFILT1312_COEFF13_MASK 0x3FF0000 - -#define ISPRSZ_HFILT1514_COEFF14_SHIFT 0 -#define ISPRSZ_HFILT1514_COEFF14_MASK 0x3FF -#define ISPRSZ_HFILT1514_COEFF15_SHIFT 16 -#define ISPRSZ_HFILT1514_COEFF15_MASK 0x3FF0000 - -#define ISPRSZ_HFILT1716_COEF16_SHIFT 0 -#define ISPRSZ_HFILT1716_COEF16_MASK 0x3FF -#define ISPRSZ_HFILT1716_COEF17_SHIFT 16 -#define ISPRSZ_HFILT1716_COEF17_MASK 0x3FF0000 - -#define ISPRSZ_HFILT1918_COEF18_SHIFT 0 -#define ISPRSZ_HFILT1918_COEF18_MASK 0x3FF -#define ISPRSZ_HFILT1918_COEF19_SHIFT 16 -#define ISPRSZ_HFILT1918_COEF19_MASK 0x3FF0000 - -#define ISPRSZ_HFILT2120_COEF20_SHIFT 0 -#define ISPRSZ_HFILT2120_COEF20_MASK 0x3FF -#define ISPRSZ_HFILT2120_COEF21_SHIFT 16 -#define ISPRSZ_HFILT2120_COEF21_MASK 0x3FF0000 - -#define ISPRSZ_HFILT2322_COEF22_SHIFT 0 -#define ISPRSZ_HFILT2322_COEF22_MASK 0x3FF -#define ISPRSZ_HFILT2322_COEF23_SHIFT 16 -#define ISPRSZ_HFILT2322_COEF23_MASK 0x3FF0000 - -#define ISPRSZ_HFILT2524_COEF24_SHIFT 0 -#define ISPRSZ_HFILT2524_COEF24_MASK 0x3FF -#define ISPRSZ_HFILT2524_COEF25_SHIFT 16 -#define ISPRSZ_HFILT2524_COEF25_MASK 0x3FF0000 - -#define ISPRSZ_HFILT2726_COEF26_SHIFT 0 -#define ISPRSZ_HFILT2726_COEF26_MASK 0x3FF -#define ISPRSZ_HFILT2726_COEF27_SHIFT 16 -#define ISPRSZ_HFILT2726_COEF27_MASK 0x3FF0000 - -#define ISPRSZ_HFILT2928_COEF28_SHIFT 0 -#define ISPRSZ_HFILT2928_COEF28_MASK 0x3FF -#define ISPRSZ_HFILT2928_COEF29_SHIFT 16 -#define ISPRSZ_HFILT2928_COEF29_MASK 0x3FF0000 - -#define ISPRSZ_HFILT3130_COEF30_SHIFT 0 -#define ISPRSZ_HFILT3130_COEF30_MASK 0x3FF -#define ISPRSZ_HFILT3130_COEF31_SHIFT 16 -#define ISPRSZ_HFILT3130_COEF31_MASK 0x3FF0000 - -#define ISPRSZ_VFILT_COEF0_SHIFT 0 -#define ISPRSZ_VFILT_COEF0_MASK \ - (0x3FF << ISPRSZ_VFILT_COEF0_SHIFT) -#define ISPRSZ_VFILT_COEF1_SHIFT 16 -#define ISPRSZ_VFILT_COEF1_MASK \ - (0x3FF << ISPRSZ_VFILT_COEF1_SHIFT) - -#define ISPRSZ_VFILT10_COEF0_SHIFT 0 -#define ISPRSZ_VFILT10_COEF0_MASK 0x3FF -#define ISPRSZ_VFILT10_COEF1_SHIFT 16 -#define ISPRSZ_VFILT10_COEF1_MASK 0x3FF0000 - -#define ISPRSZ_VFILT32_COEF2_SHIFT 0 -#define ISPRSZ_VFILT32_COEF2_MASK 0x3FF -#define ISPRSZ_VFILT32_COEF3_SHIFT 16 -#define ISPRSZ_VFILT32_COEF3_MASK 0x3FF0000 - -#define ISPRSZ_VFILT54_COEF4_SHIFT 0 -#define ISPRSZ_VFILT54_COEF4_MASK 0x3FF -#define ISPRSZ_VFILT54_COEF5_SHIFT 16 -#define ISPRSZ_VFILT54_COEF5_MASK 0x3FF0000 - -#define ISPRSZ_VFILT76_COEFF6_SHIFT 0 -#define ISPRSZ_VFILT76_COEFF6_MASK 0x3FF -#define ISPRSZ_VFILT76_COEFF7_SHIFT 16 -#define ISPRSZ_VFILT76_COEFF7_MASK 0x3FF0000 - -#define ISPRSZ_VFILT98_COEFF8_SHIFT 0 -#define ISPRSZ_VFILT98_COEFF8_MASK 0x3FF -#define ISPRSZ_VFILT98_COEFF9_SHIFT 16 -#define ISPRSZ_VFILT98_COEFF9_MASK 0x3FF0000 - -#define ISPRSZ_VFILT1110_COEF10_SHIFT 0 -#define ISPRSZ_VFILT1110_COEF10_MASK 0x3FF -#define ISPRSZ_VFILT1110_COEF11_SHIFT 16 -#define ISPRSZ_VFILT1110_COEF11_MASK 0x3FF0000 - -#define ISPRSZ_VFILT1312_COEFF12_SHIFT 0 -#define ISPRSZ_VFILT1312_COEFF12_MASK 0x3FF -#define ISPRSZ_VFILT1312_COEFF13_SHIFT 16 -#define ISPRSZ_VFILT1312_COEFF13_MASK 0x3FF0000 - -#define ISPRSZ_VFILT1514_COEFF14_SHIFT 0 -#define ISPRSZ_VFILT1514_COEFF14_MASK 0x3FF -#define ISPRSZ_VFILT1514_COEFF15_SHIFT 16 -#define ISPRSZ_VFILT1514_COEFF15_MASK 0x3FF0000 - -#define ISPRSZ_VFILT1716_COEF16_SHIFT 0 -#define ISPRSZ_VFILT1716_COEF16_MASK 0x3FF -#define ISPRSZ_VFILT1716_COEF17_SHIFT 16 -#define ISPRSZ_VFILT1716_COEF17_MASK 0x3FF0000 - -#define ISPRSZ_VFILT1918_COEF18_SHIFT 0 -#define ISPRSZ_VFILT1918_COEF18_MASK 0x3FF -#define ISPRSZ_VFILT1918_COEF19_SHIFT 16 -#define ISPRSZ_VFILT1918_COEF19_MASK 0x3FF0000 - -#define ISPRSZ_VFILT2120_COEF20_SHIFT 0 -#define ISPRSZ_VFILT2120_COEF20_MASK 0x3FF -#define ISPRSZ_VFILT2120_COEF21_SHIFT 16 -#define ISPRSZ_VFILT2120_COEF21_MASK 0x3FF0000 - -#define ISPRSZ_VFILT2322_COEF22_SHIFT 0 -#define ISPRSZ_VFILT2322_COEF22_MASK 0x3FF -#define ISPRSZ_VFILT2322_COEF23_SHIFT 16 -#define ISPRSZ_VFILT2322_COEF23_MASK 0x3FF0000 - -#define ISPRSZ_VFILT2524_COEF24_SHIFT 0 -#define ISPRSZ_VFILT2524_COEF24_MASK 0x3FF -#define ISPRSZ_VFILT2524_COEF25_SHIFT 16 -#define ISPRSZ_VFILT2524_COEF25_MASK 0x3FF0000 - -#define ISPRSZ_VFILT2726_COEF26_SHIFT 0 -#define ISPRSZ_VFILT2726_COEF26_MASK 0x3FF -#define ISPRSZ_VFILT2726_COEF27_SHIFT 16 -#define ISPRSZ_VFILT2726_COEF27_MASK 0x3FF0000 - -#define ISPRSZ_VFILT2928_COEF28_SHIFT 0 -#define ISPRSZ_VFILT2928_COEF28_MASK 0x3FF -#define ISPRSZ_VFILT2928_COEF29_SHIFT 16 -#define ISPRSZ_VFILT2928_COEF29_MASK 0x3FF0000 - -#define ISPRSZ_VFILT3130_COEF30_SHIFT 0 -#define ISPRSZ_VFILT3130_COEF30_MASK 0x3FF -#define ISPRSZ_VFILT3130_COEF31_SHIFT 16 -#define ISPRSZ_VFILT3130_COEF31_MASK 0x3FF0000 - -#define ISPRSZ_YENH_CORE_SHIFT 0 -#define ISPRSZ_YENH_CORE_MASK \ - (0xFF << ISPRSZ_YENH_CORE_SHIFT) -#define ISPRSZ_YENH_SLOP_SHIFT 8 -#define ISPRSZ_YENH_SLOP_MASK \ - (0xF << ISPRSZ_YENH_SLOP_SHIFT) -#define ISPRSZ_YENH_GAIN_SHIFT 12 -#define ISPRSZ_YENH_GAIN_MASK \ - (0xF << ISPRSZ_YENH_GAIN_SHIFT) -#define ISPRSZ_YENH_ALGO_SHIFT 16 -#define ISPRSZ_YENH_ALGO_MASK \ - (0x3 << ISPRSZ_YENH_ALGO_SHIFT) - -#define ISPH3A_PCR_AEW_ALAW_EN_SHIFT 1 -#define ISPH3A_PCR_AF_MED_TH_SHIFT 3 -#define ISPH3A_PCR_AF_RGBPOS_SHIFT 11 -#define ISPH3A_PCR_AEW_AVE2LMT_SHIFT 22 -#define ISPH3A_PCR_AEW_AVE2LMT_MASK 0xFFC00000 -#define ISPH3A_PCR_BUSYAF (1 << 15) -#define ISPH3A_PCR_BUSYAEAWB (1 << 18) - -#define ISPH3A_AEWWIN1_WINHC_SHIFT 0 -#define ISPH3A_AEWWIN1_WINHC_MASK 0x3F -#define ISPH3A_AEWWIN1_WINVC_SHIFT 6 -#define ISPH3A_AEWWIN1_WINVC_MASK 0x1FC0 -#define ISPH3A_AEWWIN1_WINW_SHIFT 13 -#define ISPH3A_AEWWIN1_WINW_MASK 0xFE000 -#define ISPH3A_AEWWIN1_WINH_SHIFT 24 -#define ISPH3A_AEWWIN1_WINH_MASK 0x7F000000 - -#define ISPH3A_AEWINSTART_WINSH_SHIFT 0 -#define ISPH3A_AEWINSTART_WINSH_MASK 0x0FFF -#define ISPH3A_AEWINSTART_WINSV_SHIFT 16 -#define ISPH3A_AEWINSTART_WINSV_MASK 0x0FFF0000 - -#define ISPH3A_AEWINBLK_WINH_SHIFT 0 -#define ISPH3A_AEWINBLK_WINH_MASK 0x7F -#define ISPH3A_AEWINBLK_WINSV_SHIFT 16 -#define ISPH3A_AEWINBLK_WINSV_MASK 0x0FFF0000 - -#define ISPH3A_AEWSUBWIN_AEWINCH_SHIFT 0 -#define ISPH3A_AEWSUBWIN_AEWINCH_MASK 0x0F -#define ISPH3A_AEWSUBWIN_AEWINCV_SHIFT 8 -#define ISPH3A_AEWSUBWIN_AEWINCV_MASK 0x0F00 - -#define ISPHIST_PCR_ENABLE_SHIFT 0 -#define ISPHIST_PCR_ENABLE_MASK 0x01 -#define ISPHIST_PCR_ENABLE (1 << ISPHIST_PCR_ENABLE_SHIFT) -#define ISPHIST_PCR_BUSY 0x02 - -#define ISPHIST_CNT_DATASIZE_SHIFT 8 -#define ISPHIST_CNT_DATASIZE_MASK 0x0100 -#define ISPHIST_CNT_CLEAR_SHIFT 7 -#define ISPHIST_CNT_CLEAR_MASK 0x080 -#define ISPHIST_CNT_CLEAR (1 << ISPHIST_CNT_CLEAR_SHIFT) -#define ISPHIST_CNT_CFA_SHIFT 6 -#define ISPHIST_CNT_CFA_MASK 0x040 -#define ISPHIST_CNT_BINS_SHIFT 4 -#define ISPHIST_CNT_BINS_MASK 0x030 -#define ISPHIST_CNT_SOURCE_SHIFT 3 -#define ISPHIST_CNT_SOURCE_MASK 0x08 -#define ISPHIST_CNT_SHIFT_SHIFT 0 -#define ISPHIST_CNT_SHIFT_MASK 0x07 - -#define ISPHIST_WB_GAIN_WG00_SHIFT 24 -#define ISPHIST_WB_GAIN_WG00_MASK 0xFF000000 -#define ISPHIST_WB_GAIN_WG01_SHIFT 16 -#define ISPHIST_WB_GAIN_WG01_MASK 0xFF0000 -#define ISPHIST_WB_GAIN_WG02_SHIFT 8 -#define ISPHIST_WB_GAIN_WG02_MASK 0xFF00 -#define ISPHIST_WB_GAIN_WG03_SHIFT 0 -#define ISPHIST_WB_GAIN_WG03_MASK 0xFF - -#define ISPHIST_REG_START_END_MASK 0x3FFF -#define ISPHIST_REG_START_SHIFT 16 -#define ISPHIST_REG_END_SHIFT 0 -#define ISPHIST_REG_START_MASK (ISPHIST_REG_START_END_MASK << \ - ISPHIST_REG_START_SHIFT) -#define ISPHIST_REG_END_MASK (ISPHIST_REG_START_END_MASK << \ - ISPHIST_REG_END_SHIFT) - -#define ISPHIST_REG_MASK (ISPHIST_REG_START_MASK | \ - ISPHIST_REG_END_MASK) - -#define ISPHIST_ADDR_SHIFT 0 -#define ISPHIST_ADDR_MASK 0x3FF - -#define ISPHIST_DATA_SHIFT 0 -#define ISPHIST_DATA_MASK 0xFFFFF - -#define ISPHIST_RADD_SHIFT 0 -#define ISPHIST_RADD_MASK 0xFFFFFFFF - -#define ISPHIST_RADD_OFF_SHIFT 0 -#define ISPHIST_RADD_OFF_MASK 0xFFFF - -#define ISPHIST_HV_INFO_HSIZE_SHIFT 16 -#define ISPHIST_HV_INFO_HSIZE_MASK 0x3FFF0000 -#define ISPHIST_HV_INFO_VSIZE_SHIFT 0 -#define ISPHIST_HV_INFO_VSIZE_MASK 0x3FFF - -#define ISPHIST_HV_INFO_MASK 0x3FFF3FFF - -#define ISPCCDC_LSC_ENABLE 1 -#define ISPCCDC_LSC_BUSY (1 << 7) -#define ISPCCDC_LSC_GAIN_MODE_N_MASK 0x700 -#define ISPCCDC_LSC_GAIN_MODE_N_SHIFT 8 -#define ISPCCDC_LSC_GAIN_MODE_M_MASK 0x3800 -#define ISPCCDC_LSC_GAIN_MODE_M_SHIFT 12 -#define ISPCCDC_LSC_GAIN_FORMAT_MASK 0xE -#define ISPCCDC_LSC_GAIN_FORMAT_SHIFT 1 -#define ISPCCDC_LSC_AFTER_REFORMATTER_MASK (1<<6) - -#define ISPCCDC_LSC_INITIAL_X_MASK 0x3F -#define ISPCCDC_LSC_INITIAL_X_SHIFT 0 -#define ISPCCDC_LSC_INITIAL_Y_MASK 0x3F0000 -#define ISPCCDC_LSC_INITIAL_Y_SHIFT 16 - -/* ----------------------------------------------------------------------------- - * CSI2 receiver registers (ES2.0) - */ - -#define ISPCSI2_REVISION (0x000) -#define ISPCSI2_SYSCONFIG (0x010) -#define ISPCSI2_SYSCONFIG_MSTANDBY_MODE_SHIFT 12 -#define ISPCSI2_SYSCONFIG_MSTANDBY_MODE_MASK \ - (0x3 << ISPCSI2_SYSCONFIG_MSTANDBY_MODE_SHIFT) -#define ISPCSI2_SYSCONFIG_MSTANDBY_MODE_FORCE \ - (0x0 << ISPCSI2_SYSCONFIG_MSTANDBY_MODE_SHIFT) -#define ISPCSI2_SYSCONFIG_MSTANDBY_MODE_NO \ - (0x1 << ISPCSI2_SYSCONFIG_MSTANDBY_MODE_SHIFT) -#define ISPCSI2_SYSCONFIG_MSTANDBY_MODE_SMART \ - (0x2 << ISPCSI2_SYSCONFIG_MSTANDBY_MODE_SHIFT) -#define ISPCSI2_SYSCONFIG_SOFT_RESET (1 << 1) -#define ISPCSI2_SYSCONFIG_AUTO_IDLE (1 << 0) - -#define ISPCSI2_SYSSTATUS (0x014) -#define ISPCSI2_SYSSTATUS_RESET_DONE (1 << 0) - -#define ISPCSI2_IRQSTATUS (0x018) -#define ISPCSI2_IRQSTATUS_OCP_ERR_IRQ (1 << 14) -#define ISPCSI2_IRQSTATUS_SHORT_PACKET_IRQ (1 << 13) -#define ISPCSI2_IRQSTATUS_ECC_CORRECTION_IRQ (1 << 12) -#define ISPCSI2_IRQSTATUS_ECC_NO_CORRECTION_IRQ (1 << 11) -#define ISPCSI2_IRQSTATUS_COMPLEXIO2_ERR_IRQ (1 << 10) -#define ISPCSI2_IRQSTATUS_COMPLEXIO1_ERR_IRQ (1 << 9) -#define ISPCSI2_IRQSTATUS_FIFO_OVF_IRQ (1 << 8) -#define ISPCSI2_IRQSTATUS_CONTEXT(n) (1 << (n)) - -#define ISPCSI2_IRQENABLE (0x01c) -#define ISPCSI2_CTRL (0x040) -#define ISPCSI2_CTRL_VP_CLK_EN (1 << 15) -#define ISPCSI2_CTRL_VP_ONLY_EN (1 << 11) -#define ISPCSI2_CTRL_VP_OUT_CTRL_SHIFT 8 -#define ISPCSI2_CTRL_VP_OUT_CTRL_MASK \ - (3 << ISPCSI2_CTRL_VP_OUT_CTRL_SHIFT) -#define ISPCSI2_CTRL_DBG_EN (1 << 7) -#define ISPCSI2_CTRL_BURST_SIZE_SHIFT 5 -#define ISPCSI2_CTRL_BURST_SIZE_MASK \ - (3 << ISPCSI2_CTRL_BURST_SIZE_SHIFT) -#define ISPCSI2_CTRL_FRAME (1 << 3) -#define ISPCSI2_CTRL_ECC_EN (1 << 2) -#define ISPCSI2_CTRL_SECURE (1 << 1) -#define ISPCSI2_CTRL_IF_EN (1 << 0) - -#define ISPCSI2_DBG_H (0x044) -#define ISPCSI2_GNQ (0x048) -#define ISPCSI2_PHY_CFG (0x050) -#define ISPCSI2_PHY_CFG_RESET_CTRL (1 << 30) -#define ISPCSI2_PHY_CFG_RESET_DONE (1 << 29) -#define ISPCSI2_PHY_CFG_PWR_CMD_SHIFT 27 -#define ISPCSI2_PHY_CFG_PWR_CMD_MASK \ - (0x3 << ISPCSI2_PHY_CFG_PWR_CMD_SHIFT) -#define ISPCSI2_PHY_CFG_PWR_CMD_OFF \ - (0x0 << ISPCSI2_PHY_CFG_PWR_CMD_SHIFT) -#define ISPCSI2_PHY_CFG_PWR_CMD_ON \ - (0x1 << ISPCSI2_PHY_CFG_PWR_CMD_SHIFT) -#define ISPCSI2_PHY_CFG_PWR_CMD_ULPW \ - (0x2 << ISPCSI2_PHY_CFG_PWR_CMD_SHIFT) -#define ISPCSI2_PHY_CFG_PWR_STATUS_SHIFT 25 -#define ISPCSI2_PHY_CFG_PWR_STATUS_MASK \ - (0x3 << ISPCSI2_PHY_CFG_PWR_STATUS_SHIFT) -#define ISPCSI2_PHY_CFG_PWR_STATUS_OFF \ - (0x0 << ISPCSI2_PHY_CFG_PWR_STATUS_SHIFT) -#define ISPCSI2_PHY_CFG_PWR_STATUS_ON \ - (0x1 << ISPCSI2_PHY_CFG_PWR_STATUS_SHIFT) -#define ISPCSI2_PHY_CFG_PWR_STATUS_ULPW \ - (0x2 << ISPCSI2_PHY_CFG_PWR_STATUS_SHIFT) -#define ISPCSI2_PHY_CFG_PWR_AUTO (1 << 24) - -#define ISPCSI2_PHY_CFG_DATA_POL_SHIFT(n) (3 + ((n) * 4)) -#define ISPCSI2_PHY_CFG_DATA_POL_MASK(n) \ - (0x1 << ISPCSI2_PHY_CFG_DATA_POL_SHIFT(n)) -#define ISPCSI2_PHY_CFG_DATA_POL_PN(n) \ - (0x0 << ISPCSI2_PHY_CFG_DATA_POL_SHIFT(n)) -#define ISPCSI2_PHY_CFG_DATA_POL_NP(n) \ - (0x1 << ISPCSI2_PHY_CFG_DATA_POL_SHIFT(n)) - -#define ISPCSI2_PHY_CFG_DATA_POSITION_SHIFT(n) ((n) * 4) -#define ISPCSI2_PHY_CFG_DATA_POSITION_MASK(n) \ - (0x7 << ISPCSI2_PHY_CFG_DATA_POSITION_SHIFT(n)) -#define ISPCSI2_PHY_CFG_DATA_POSITION_NC(n) \ - (0x0 << ISPCSI2_PHY_CFG_DATA_POSITION_SHIFT(n)) -#define ISPCSI2_PHY_CFG_DATA_POSITION_1(n) \ - (0x1 << ISPCSI2_PHY_CFG_DATA_POSITION_SHIFT(n)) -#define ISPCSI2_PHY_CFG_DATA_POSITION_2(n) \ - (0x2 << ISPCSI2_PHY_CFG_DATA_POSITION_SHIFT(n)) -#define ISPCSI2_PHY_CFG_DATA_POSITION_3(n) \ - (0x3 << ISPCSI2_PHY_CFG_DATA_POSITION_SHIFT(n)) -#define ISPCSI2_PHY_CFG_DATA_POSITION_4(n) \ - (0x4 << ISPCSI2_PHY_CFG_DATA_POSITION_SHIFT(n)) -#define ISPCSI2_PHY_CFG_DATA_POSITION_5(n) \ - (0x5 << ISPCSI2_PHY_CFG_DATA_POSITION_SHIFT(n)) - -#define ISPCSI2_PHY_CFG_CLOCK_POL_SHIFT 3 -#define ISPCSI2_PHY_CFG_CLOCK_POL_MASK \ - (0x1 << ISPCSI2_PHY_CFG_CLOCK_POL_SHIFT) -#define ISPCSI2_PHY_CFG_CLOCK_POL_PN \ - (0x0 << ISPCSI2_PHY_CFG_CLOCK_POL_SHIFT) -#define ISPCSI2_PHY_CFG_CLOCK_POL_NP \ - (0x1 << ISPCSI2_PHY_CFG_CLOCK_POL_SHIFT) - -#define ISPCSI2_PHY_CFG_CLOCK_POSITION_SHIFT 0 -#define ISPCSI2_PHY_CFG_CLOCK_POSITION_MASK \ - (0x7 << ISPCSI2_PHY_CFG_CLOCK_POSITION_SHIFT) -#define ISPCSI2_PHY_CFG_CLOCK_POSITION_1 \ - (0x1 << ISPCSI2_PHY_CFG_CLOCK_POSITION_SHIFT) -#define ISPCSI2_PHY_CFG_CLOCK_POSITION_2 \ - (0x2 << ISPCSI2_PHY_CFG_CLOCK_POSITION_SHIFT) -#define ISPCSI2_PHY_CFG_CLOCK_POSITION_3 \ - (0x3 << ISPCSI2_PHY_CFG_CLOCK_POSITION_SHIFT) -#define ISPCSI2_PHY_CFG_CLOCK_POSITION_4 \ - (0x4 << ISPCSI2_PHY_CFG_CLOCK_POSITION_SHIFT) -#define ISPCSI2_PHY_CFG_CLOCK_POSITION_5 \ - (0x5 << ISPCSI2_PHY_CFG_CLOCK_POSITION_SHIFT) - -#define ISPCSI2_PHY_IRQSTATUS (0x054) -#define ISPCSI2_PHY_IRQSTATUS_STATEALLULPMEXIT (1 << 26) -#define ISPCSI2_PHY_IRQSTATUS_STATEALLULPMENTER (1 << 25) -#define ISPCSI2_PHY_IRQSTATUS_STATEULPM5 (1 << 24) -#define ISPCSI2_PHY_IRQSTATUS_STATEULPM4 (1 << 23) -#define ISPCSI2_PHY_IRQSTATUS_STATEULPM3 (1 << 22) -#define ISPCSI2_PHY_IRQSTATUS_STATEULPM2 (1 << 21) -#define ISPCSI2_PHY_IRQSTATUS_STATEULPM1 (1 << 20) -#define ISPCSI2_PHY_IRQSTATUS_ERRCONTROL5 (1 << 19) -#define ISPCSI2_PHY_IRQSTATUS_ERRCONTROL4 (1 << 18) -#define ISPCSI2_PHY_IRQSTATUS_ERRCONTROL3 (1 << 17) -#define ISPCSI2_PHY_IRQSTATUS_ERRCONTROL2 (1 << 16) -#define ISPCSI2_PHY_IRQSTATUS_ERRCONTROL1 (1 << 15) -#define ISPCSI2_PHY_IRQSTATUS_ERRESC5 (1 << 14) -#define ISPCSI2_PHY_IRQSTATUS_ERRESC4 (1 << 13) -#define ISPCSI2_PHY_IRQSTATUS_ERRESC3 (1 << 12) -#define ISPCSI2_PHY_IRQSTATUS_ERRESC2 (1 << 11) -#define ISPCSI2_PHY_IRQSTATUS_ERRESC1 (1 << 10) -#define ISPCSI2_PHY_IRQSTATUS_ERRSOTSYNCHS5 (1 << 9) -#define ISPCSI2_PHY_IRQSTATUS_ERRSOTSYNCHS4 (1 << 8) -#define ISPCSI2_PHY_IRQSTATUS_ERRSOTSYNCHS3 (1 << 7) -#define ISPCSI2_PHY_IRQSTATUS_ERRSOTSYNCHS2 (1 << 6) -#define ISPCSI2_PHY_IRQSTATUS_ERRSOTSYNCHS1 (1 << 5) -#define ISPCSI2_PHY_IRQSTATUS_ERRSOTHS5 (1 << 4) -#define ISPCSI2_PHY_IRQSTATUS_ERRSOTHS4 (1 << 3) -#define ISPCSI2_PHY_IRQSTATUS_ERRSOTHS3 (1 << 2) -#define ISPCSI2_PHY_IRQSTATUS_ERRSOTHS2 (1 << 1) -#define ISPCSI2_PHY_IRQSTATUS_ERRSOTHS1 1 - -#define ISPCSI2_SHORT_PACKET (0x05c) -#define ISPCSI2_PHY_IRQENABLE (0x060) -#define ISPCSI2_PHY_IRQENABLE_STATEALLULPMEXIT (1 << 26) -#define ISPCSI2_PHY_IRQENABLE_STATEALLULPMENTER (1 << 25) -#define ISPCSI2_PHY_IRQENABLE_STATEULPM5 (1 << 24) -#define ISPCSI2_PHY_IRQENABLE_STATEULPM4 (1 << 23) -#define ISPCSI2_PHY_IRQENABLE_STATEULPM3 (1 << 22) -#define ISPCSI2_PHY_IRQENABLE_STATEULPM2 (1 << 21) -#define ISPCSI2_PHY_IRQENABLE_STATEULPM1 (1 << 20) -#define ISPCSI2_PHY_IRQENABLE_ERRCONTROL5 (1 << 19) -#define ISPCSI2_PHY_IRQENABLE_ERRCONTROL4 (1 << 18) -#define ISPCSI2_PHY_IRQENABLE_ERRCONTROL3 (1 << 17) -#define ISPCSI2_PHY_IRQENABLE_ERRCONTROL2 (1 << 16) -#define ISPCSI2_PHY_IRQENABLE_ERRCONTROL1 (1 << 15) -#define ISPCSI2_PHY_IRQENABLE_ERRESC5 (1 << 14) -#define ISPCSI2_PHY_IRQENABLE_ERRESC4 (1 << 13) -#define ISPCSI2_PHY_IRQENABLE_ERRESC3 (1 << 12) -#define ISPCSI2_PHY_IRQENABLE_ERRESC2 (1 << 11) -#define ISPCSI2_PHY_IRQENABLE_ERRESC1 (1 << 10) -#define ISPCSI2_PHY_IRQENABLE_ERRSOTSYNCHS5 (1 << 9) -#define ISPCSI2_PHY_IRQENABLE_ERRSOTSYNCHS4 (1 << 8) -#define ISPCSI2_PHY_IRQENABLE_ERRSOTSYNCHS3 (1 << 7) -#define ISPCSI2_PHY_IRQENABLE_ERRSOTSYNCHS2 (1 << 6) -#define ISPCSI2_PHY_IRQENABLE_ERRSOTSYNCHS1 (1 << 5) -#define ISPCSI2_PHY_IRQENABLE_ERRSOTHS5 (1 << 4) -#define ISPCSI2_PHY_IRQENABLE_ERRSOTHS4 (1 << 3) -#define ISPCSI2_PHY_IRQENABLE_ERRSOTHS3 (1 << 2) -#define ISPCSI2_PHY_IRQENABLE_ERRSOTHS2 (1 << 1) -#define ISPCSI2_PHY_IRQENABLE_ERRSOTHS1 (1 << 0) - -#define ISPCSI2_DBG_P (0x068) -#define ISPCSI2_TIMING (0x06c) -#define ISPCSI2_TIMING_FORCE_RX_MODE_IO(n) (1 << ((16 * ((n) - 1)) + 15)) -#define ISPCSI2_TIMING_STOP_STATE_X16_IO(n) (1 << ((16 * ((n) - 1)) + 14)) -#define ISPCSI2_TIMING_STOP_STATE_X4_IO(n) (1 << ((16 * ((n) - 1)) + 13)) -#define ISPCSI2_TIMING_STOP_STATE_COUNTER_IO_SHIFT(n) (16 * ((n) - 1)) -#define ISPCSI2_TIMING_STOP_STATE_COUNTER_IO_MASK(n) \ - (0x1fff << ISPCSI2_TIMING_STOP_STATE_COUNTER_IO_SHIFT(n)) - -#define ISPCSI2_CTX_CTRL1(n) ((0x070) + 0x20 * (n)) -#define ISPCSI2_CTX_CTRL1_COUNT_SHIFT 8 -#define ISPCSI2_CTX_CTRL1_COUNT_MASK \ - (0xff << ISPCSI2_CTX_CTRL1_COUNT_SHIFT) -#define ISPCSI2_CTX_CTRL1_EOF_EN (1 << 7) -#define ISPCSI2_CTX_CTRL1_EOL_EN (1 << 6) -#define ISPCSI2_CTX_CTRL1_CS_EN (1 << 5) -#define ISPCSI2_CTX_CTRL1_COUNT_UNLOCK (1 << 4) -#define ISPCSI2_CTX_CTRL1_PING_PONG (1 << 3) -#define ISPCSI2_CTX_CTRL1_CTX_EN (1 << 0) - -#define ISPCSI2_CTX_CTRL2(n) ((0x074) + 0x20 * (n)) -#define ISPCSI2_CTX_CTRL2_USER_DEF_MAP_SHIFT 13 -#define ISPCSI2_CTX_CTRL2_USER_DEF_MAP_MASK \ - (0x3 << ISPCSI2_CTX_CTRL2_USER_DEF_MAP_SHIFT) -#define ISPCSI2_CTX_CTRL2_VIRTUAL_ID_SHIFT 11 -#define ISPCSI2_CTX_CTRL2_VIRTUAL_ID_MASK \ - (0x3 << ISPCSI2_CTX_CTRL2_VIRTUAL_ID_SHIFT) -#define ISPCSI2_CTX_CTRL2_DPCM_PRED (1 << 10) -#define ISPCSI2_CTX_CTRL2_FORMAT_SHIFT 0 -#define ISPCSI2_CTX_CTRL2_FORMAT_MASK \ - (0x3ff << ISPCSI2_CTX_CTRL2_FORMAT_SHIFT) -#define ISPCSI2_CTX_CTRL2_FRAME_SHIFT 16 -#define ISPCSI2_CTX_CTRL2_FRAME_MASK \ - (0xffff << ISPCSI2_CTX_CTRL2_FRAME_SHIFT) - -#define ISPCSI2_CTX_DAT_OFST(n) ((0x078) + 0x20 * (n)) -#define ISPCSI2_CTX_DAT_OFST_OFST_SHIFT 0 -#define ISPCSI2_CTX_DAT_OFST_OFST_MASK \ - (0x1ffe0 << ISPCSI2_CTX_DAT_OFST_OFST_SHIFT) - -#define ISPCSI2_CTX_DAT_PING_ADDR(n) ((0x07c) + 0x20 * (n)) -#define ISPCSI2_CTX_DAT_PONG_ADDR(n) ((0x080) + 0x20 * (n)) -#define ISPCSI2_CTX_IRQENABLE(n) ((0x084) + 0x20 * (n)) -#define ISPCSI2_CTX_IRQENABLE_ECC_CORRECTION_IRQ (1 << 8) -#define ISPCSI2_CTX_IRQENABLE_LINE_NUMBER_IRQ (1 << 7) -#define ISPCSI2_CTX_IRQENABLE_FRAME_NUMBER_IRQ (1 << 6) -#define ISPCSI2_CTX_IRQENABLE_CS_IRQ (1 << 5) -#define ISPCSI2_CTX_IRQENABLE_LE_IRQ (1 << 3) -#define ISPCSI2_CTX_IRQENABLE_LS_IRQ (1 << 2) -#define ISPCSI2_CTX_IRQENABLE_FE_IRQ (1 << 1) -#define ISPCSI2_CTX_IRQENABLE_FS_IRQ (1 << 0) - -#define ISPCSI2_CTX_IRQSTATUS(n) ((0x088) + 0x20 * (n)) -#define ISPCSI2_CTX_IRQSTATUS_ECC_CORRECTION_IRQ (1 << 8) -#define ISPCSI2_CTX_IRQSTATUS_LINE_NUMBER_IRQ (1 << 7) -#define ISPCSI2_CTX_IRQSTATUS_FRAME_NUMBER_IRQ (1 << 6) -#define ISPCSI2_CTX_IRQSTATUS_CS_IRQ (1 << 5) -#define ISPCSI2_CTX_IRQSTATUS_LE_IRQ (1 << 3) -#define ISPCSI2_CTX_IRQSTATUS_LS_IRQ (1 << 2) -#define ISPCSI2_CTX_IRQSTATUS_FE_IRQ (1 << 1) -#define ISPCSI2_CTX_IRQSTATUS_FS_IRQ (1 << 0) - -#define ISPCSI2_CTX_CTRL3(n) ((0x08c) + 0x20 * (n)) -#define ISPCSI2_CTX_CTRL3_ALPHA_SHIFT 5 -#define ISPCSI2_CTX_CTRL3_ALPHA_MASK \ - (0x3fff << ISPCSI2_CTX_CTRL3_ALPHA_SHIFT) - -/* This instance is for OMAP3630 only */ -#define ISPCSI2_CTX_TRANSCODEH(n) (0x000 + 0x8 * (n)) -#define ISPCSI2_CTX_TRANSCODEH_HCOUNT_SHIFT 16 -#define ISPCSI2_CTX_TRANSCODEH_HCOUNT_MASK \ - (0x1fff << ISPCSI2_CTX_TRANSCODEH_HCOUNT_SHIFT) -#define ISPCSI2_CTX_TRANSCODEH_HSKIP_SHIFT 0 -#define ISPCSI2_CTX_TRANSCODEH_HSKIP_MASK \ - (0x1fff << ISPCSI2_CTX_TRANSCODEH_HCOUNT_SHIFT) -#define ISPCSI2_CTX_TRANSCODEV(n) (0x004 + 0x8 * (n)) -#define ISPCSI2_CTX_TRANSCODEV_VCOUNT_SHIFT 16 -#define ISPCSI2_CTX_TRANSCODEV_VCOUNT_MASK \ - (0x1fff << ISPCSI2_CTX_TRANSCODEV_VCOUNT_SHIFT) -#define ISPCSI2_CTX_TRANSCODEV_VSKIP_SHIFT 0 -#define ISPCSI2_CTX_TRANSCODEV_VSKIP_MASK \ - (0x1fff << ISPCSI2_CTX_TRANSCODEV_VCOUNT_SHIFT) - -/* ----------------------------------------------------------------------------- - * CSI PHY registers - */ - -#define ISPCSIPHY_REG0 (0x000) -#define ISPCSIPHY_REG0_THS_TERM_SHIFT 8 -#define ISPCSIPHY_REG0_THS_TERM_MASK \ - (0xff << ISPCSIPHY_REG0_THS_TERM_SHIFT) -#define ISPCSIPHY_REG0_THS_SETTLE_SHIFT 0 -#define ISPCSIPHY_REG0_THS_SETTLE_MASK \ - (0xff << ISPCSIPHY_REG0_THS_SETTLE_SHIFT) - -#define ISPCSIPHY_REG1 (0x004) -#define ISPCSIPHY_REG1_RESET_DONE_CTRLCLK (1 << 29) -/* This field is for OMAP3630 only */ -#define ISPCSIPHY_REG1_CLOCK_MISS_DETECTOR_STATUS (1 << 25) -#define ISPCSIPHY_REG1_TCLK_TERM_SHIFT 18 -#define ISPCSIPHY_REG1_TCLK_TERM_MASK \ - (0x7f << ISPCSIPHY_REG1_TCLK_TERM_SHIFT) -#define ISPCSIPHY_REG1_DPHY_HS_SYNC_PATTERN_SHIFT 10 -#define ISPCSIPHY_REG1_DPHY_HS_SYNC_PATTERN_MASK \ - (0xff << ISPCSIPHY_REG1_DPHY_HS_SYNC_PATTERN) -/* This field is for OMAP3430 only */ -#define ISPCSIPHY_REG1_TCLK_MISS_SHIFT 8 -#define ISPCSIPHY_REG1_TCLK_MISS_MASK \ - (0x3 << ISPCSIPHY_REG1_TCLK_MISS_SHIFT) -/* This field is for OMAP3630 only */ -#define ISPCSIPHY_REG1_CTRLCLK_DIV_FACTOR_SHIFT 8 -#define ISPCSIPHY_REG1_CTRLCLK_DIV_FACTOR_MASK \ - (0x3 << ISPCSIPHY_REG1_CTRLCLK_DIV_FACTOR_SHIFT) -#define ISPCSIPHY_REG1_TCLK_SETTLE_SHIFT 0 -#define ISPCSIPHY_REG1_TCLK_SETTLE_MASK \ - (0xff << ISPCSIPHY_REG1_TCLK_SETTLE_SHIFT) - -/* This register is for OMAP3630 only */ -#define ISPCSIPHY_REG2 (0x008) -#define ISPCSIPHY_REG2_TRIGGER_CMD_RXTRIGESC0_SHIFT 30 -#define ISPCSIPHY_REG2_TRIGGER_CMD_RXTRIGESC0_MASK \ - (0x3 << ISPCSIPHY_REG2_TRIGGER_CMD_RXTRIGESC0_SHIFT) -#define ISPCSIPHY_REG2_TRIGGER_CMD_RXTRIGESC1_SHIFT 28 -#define ISPCSIPHY_REG2_TRIGGER_CMD_RXTRIGESC1_MASK \ - (0x3 << ISPCSIPHY_REG2_TRIGGER_CMD_RXTRIGESC1_SHIFT) -#define ISPCSIPHY_REG2_TRIGGER_CMD_RXTRIGESC2_SHIFT 26 -#define ISPCSIPHY_REG2_TRIGGER_CMD_RXTRIGESC2_MASK \ - (0x3 << ISPCSIPHY_REG2_TRIGGER_CMD_RXTRIGESC2_SHIFT) -#define ISPCSIPHY_REG2_TRIGGER_CMD_RXTRIGESC3_SHIFT 24 -#define ISPCSIPHY_REG2_TRIGGER_CMD_RXTRIGESC3_MASK \ - (0x3 << ISPCSIPHY_REG2_TRIGGER_CMD_RXTRIGESC3_SHIFT) -#define ISPCSIPHY_REG2_CCP2_SYNC_PATTERN_SHIFT 0 -#define ISPCSIPHY_REG2_CCP2_SYNC_PATTERN_MASK \ - (0x7fffff << ISPCSIPHY_REG2_CCP2_SYNC_PATTERN_SHIFT) - -#endif /* OMAP3_ISP_REG_H */ diff --git a/drivers/media/video/omap3isp/ispresizer.c b/drivers/media/video/omap3isp/ispresizer.c deleted file mode 100644 index d11fb261d530..000000000000 --- a/drivers/media/video/omap3isp/ispresizer.c +++ /dev/null @@ -1,1778 +0,0 @@ -/* - * ispresizer.c - * - * TI OMAP3 ISP - Resizer module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <linux/device.h> -#include <linux/mm.h> -#include <linux/module.h> - -#include "isp.h" -#include "ispreg.h" -#include "ispresizer.h" - -/* - * Resizer Constants - */ -#define MIN_RESIZE_VALUE 64 -#define MID_RESIZE_VALUE 512 -#define MAX_RESIZE_VALUE 1024 - -#define MIN_IN_WIDTH 32 -#define MIN_IN_HEIGHT 32 -#define MAX_IN_WIDTH_MEMORY_MODE 4095 -#define MAX_IN_WIDTH_ONTHEFLY_MODE_ES1 1280 -#define MAX_IN_WIDTH_ONTHEFLY_MODE_ES2 4095 -#define MAX_IN_HEIGHT 4095 - -#define MIN_OUT_WIDTH 16 -#define MIN_OUT_HEIGHT 2 -#define MAX_OUT_HEIGHT 4095 - -/* - * Resizer Use Constraints - * "TRM ES3.1, table 12-46" - */ -#define MAX_4TAP_OUT_WIDTH_ES1 1280 -#define MAX_7TAP_OUT_WIDTH_ES1 640 -#define MAX_4TAP_OUT_WIDTH_ES2 3312 -#define MAX_7TAP_OUT_WIDTH_ES2 1650 -#define MAX_4TAP_OUT_WIDTH_3630 4096 -#define MAX_7TAP_OUT_WIDTH_3630 2048 - -/* - * Constants for ratio calculation - */ -#define RESIZE_DIVISOR 256 -#define DEFAULT_PHASE 1 - -/* - * Default (and only) configuration of filter coefficients. - * 7-tap mode is for scale factors 0.25x to 0.5x. - * 4-tap mode is for scale factors 0.5x to 4.0x. - * There shouldn't be any reason to recalculate these, EVER. - */ -static const struct isprsz_coef filter_coefs = { - /* For 8-phase 4-tap horizontal filter: */ - { - 0x0000, 0x0100, 0x0000, 0x0000, - 0x03FA, 0x00F6, 0x0010, 0x0000, - 0x03F9, 0x00DB, 0x002C, 0x0000, - 0x03FB, 0x00B3, 0x0053, 0x03FF, - 0x03FD, 0x0082, 0x0084, 0x03FD, - 0x03FF, 0x0053, 0x00B3, 0x03FB, - 0x0000, 0x002C, 0x00DB, 0x03F9, - 0x0000, 0x0010, 0x00F6, 0x03FA - }, - /* For 8-phase 4-tap vertical filter: */ - { - 0x0000, 0x0100, 0x0000, 0x0000, - 0x03FA, 0x00F6, 0x0010, 0x0000, - 0x03F9, 0x00DB, 0x002C, 0x0000, - 0x03FB, 0x00B3, 0x0053, 0x03FF, - 0x03FD, 0x0082, 0x0084, 0x03FD, - 0x03FF, 0x0053, 0x00B3, 0x03FB, - 0x0000, 0x002C, 0x00DB, 0x03F9, - 0x0000, 0x0010, 0x00F6, 0x03FA - }, - /* For 4-phase 7-tap horizontal filter: */ - #define DUMMY 0 - { - 0x0004, 0x0023, 0x005A, 0x0058, 0x0023, 0x0004, 0x0000, DUMMY, - 0x0002, 0x0018, 0x004d, 0x0060, 0x0031, 0x0008, 0x0000, DUMMY, - 0x0001, 0x000f, 0x003f, 0x0062, 0x003f, 0x000f, 0x0001, DUMMY, - 0x0000, 0x0008, 0x0031, 0x0060, 0x004d, 0x0018, 0x0002, DUMMY - }, - /* For 4-phase 7-tap vertical filter: */ - { - 0x0004, 0x0023, 0x005A, 0x0058, 0x0023, 0x0004, 0x0000, DUMMY, - 0x0002, 0x0018, 0x004d, 0x0060, 0x0031, 0x0008, 0x0000, DUMMY, - 0x0001, 0x000f, 0x003f, 0x0062, 0x003f, 0x000f, 0x0001, DUMMY, - 0x0000, 0x0008, 0x0031, 0x0060, 0x004d, 0x0018, 0x0002, DUMMY - } - /* - * The dummy padding is required in 7-tap mode because of how the - * registers are arranged physically. - */ - #undef DUMMY -}; - -/* - * __resizer_get_format - helper function for getting resizer format - * @res : pointer to resizer private structure - * @pad : pad number - * @fh : V4L2 subdev file handle - * @which : wanted subdev format - * return zero - */ -static struct v4l2_mbus_framefmt * -__resizer_get_format(struct isp_res_device *res, struct v4l2_subdev_fh *fh, - unsigned int pad, enum v4l2_subdev_format_whence which) -{ - if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_get_try_format(fh, pad); - else - return &res->formats[pad]; -} - -/* - * __resizer_get_crop - helper function for getting resizer crop rectangle - * @res : pointer to resizer private structure - * @fh : V4L2 subdev file handle - * @which : wanted subdev crop rectangle - */ -static struct v4l2_rect * -__resizer_get_crop(struct isp_res_device *res, struct v4l2_subdev_fh *fh, - enum v4l2_subdev_format_whence which) -{ - if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_get_try_crop(fh, RESZ_PAD_SINK); - else - return &res->crop.request; -} - -/* - * resizer_set_filters - Set resizer filters - * @res: Device context. - * @h_coeff: horizontal coefficient - * @v_coeff: vertical coefficient - * Return none - */ -static void resizer_set_filters(struct isp_res_device *res, const u16 *h_coeff, - const u16 *v_coeff) -{ - struct isp_device *isp = to_isp_device(res); - u32 startaddr_h, startaddr_v, tmp_h, tmp_v; - int i; - - startaddr_h = ISPRSZ_HFILT10; - startaddr_v = ISPRSZ_VFILT10; - - for (i = 0; i < COEFF_CNT; i += 2) { - tmp_h = h_coeff[i] | - (h_coeff[i + 1] << ISPRSZ_HFILT_COEF1_SHIFT); - tmp_v = v_coeff[i] | - (v_coeff[i + 1] << ISPRSZ_VFILT_COEF1_SHIFT); - isp_reg_writel(isp, tmp_h, OMAP3_ISP_IOMEM_RESZ, startaddr_h); - isp_reg_writel(isp, tmp_v, OMAP3_ISP_IOMEM_RESZ, startaddr_v); - startaddr_h += 4; - startaddr_v += 4; - } -} - -/* - * resizer_set_bilinear - Chrominance horizontal algorithm select - * @res: Device context. - * @type: Filtering interpolation type. - * - * Filtering that is same as luminance processing is - * intended only for downsampling, and bilinear interpolation - * is intended only for upsampling. - */ -static void resizer_set_bilinear(struct isp_res_device *res, - enum resizer_chroma_algo type) -{ - struct isp_device *isp = to_isp_device(res); - - if (type == RSZ_BILINEAR) - isp_reg_set(isp, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, - ISPRSZ_CNT_CBILIN); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, - ISPRSZ_CNT_CBILIN); -} - -/* - * resizer_set_ycpos - Luminance and chrominance order - * @res: Device context. - * @order: order type. - */ -static void resizer_set_ycpos(struct isp_res_device *res, - enum v4l2_mbus_pixelcode pixelcode) -{ - struct isp_device *isp = to_isp_device(res); - - switch (pixelcode) { - case V4L2_MBUS_FMT_YUYV8_1X16: - isp_reg_set(isp, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, - ISPRSZ_CNT_YCPOS); - break; - case V4L2_MBUS_FMT_UYVY8_1X16: - isp_reg_clr(isp, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, - ISPRSZ_CNT_YCPOS); - break; - default: - return; - } -} - -/* - * resizer_set_phase - Setup horizontal and vertical starting phase - * @res: Device context. - * @h_phase: horizontal phase parameters. - * @v_phase: vertical phase parameters. - * - * Horizontal and vertical phase range is 0 to 7 - */ -static void resizer_set_phase(struct isp_res_device *res, u32 h_phase, - u32 v_phase) -{ - struct isp_device *isp = to_isp_device(res); - u32 rgval = 0; - - rgval = isp_reg_readl(isp, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT) & - ~(ISPRSZ_CNT_HSTPH_MASK | ISPRSZ_CNT_VSTPH_MASK); - rgval |= (h_phase << ISPRSZ_CNT_HSTPH_SHIFT) & ISPRSZ_CNT_HSTPH_MASK; - rgval |= (v_phase << ISPRSZ_CNT_VSTPH_SHIFT) & ISPRSZ_CNT_VSTPH_MASK; - - isp_reg_writel(isp, rgval, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT); -} - -/* - * resizer_set_luma - Setup luminance enhancer parameters - * @res: Device context. - * @luma: Structure for luminance enhancer parameters. - * - * Algorithm select: - * 0x0: Disable - * 0x1: [-1 2 -1]/2 high-pass filter - * 0x2: [-1 -2 6 -2 -1]/4 high-pass filter - * - * Maximum gain: - * The data is coded in U4Q4 representation. - * - * Slope: - * The data is coded in U4Q4 representation. - * - * Coring offset: - * The data is coded in U8Q0 representation. - * - * The new luminance value is computed as: - * Y += HPF(Y) x max(GAIN, (HPF(Y) - CORE) x SLOP + 8) >> 4. - */ -static void resizer_set_luma(struct isp_res_device *res, - struct resizer_luma_yenh *luma) -{ - struct isp_device *isp = to_isp_device(res); - u32 rgval = 0; - - rgval = (luma->algo << ISPRSZ_YENH_ALGO_SHIFT) - & ISPRSZ_YENH_ALGO_MASK; - rgval |= (luma->gain << ISPRSZ_YENH_GAIN_SHIFT) - & ISPRSZ_YENH_GAIN_MASK; - rgval |= (luma->slope << ISPRSZ_YENH_SLOP_SHIFT) - & ISPRSZ_YENH_SLOP_MASK; - rgval |= (luma->core << ISPRSZ_YENH_CORE_SHIFT) - & ISPRSZ_YENH_CORE_MASK; - - isp_reg_writel(isp, rgval, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_YENH); -} - -/* - * resizer_set_source - Input source select - * @res: Device context. - * @source: Input source type - * - * If this field is set to RESIZER_INPUT_VP, the resizer input is fed from - * Preview/CCDC engine, otherwise from memory. - */ -static void resizer_set_source(struct isp_res_device *res, - enum resizer_input_entity source) -{ - struct isp_device *isp = to_isp_device(res); - - if (source == RESIZER_INPUT_MEMORY) - isp_reg_set(isp, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, - ISPRSZ_CNT_INPSRC); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, - ISPRSZ_CNT_INPSRC); -} - -/* - * resizer_set_ratio - Setup horizontal and vertical resizing value - * @res: Device context. - * @ratio: Structure for ratio parameters. - * - * Resizing range from 64 to 1024 - */ -static void resizer_set_ratio(struct isp_res_device *res, - const struct resizer_ratio *ratio) -{ - struct isp_device *isp = to_isp_device(res); - const u16 *h_filter, *v_filter; - u32 rgval = 0; - - rgval = isp_reg_readl(isp, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT) & - ~(ISPRSZ_CNT_HRSZ_MASK | ISPRSZ_CNT_VRSZ_MASK); - rgval |= ((ratio->horz - 1) << ISPRSZ_CNT_HRSZ_SHIFT) - & ISPRSZ_CNT_HRSZ_MASK; - rgval |= ((ratio->vert - 1) << ISPRSZ_CNT_VRSZ_SHIFT) - & ISPRSZ_CNT_VRSZ_MASK; - isp_reg_writel(isp, rgval, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT); - - /* prepare horizontal filter coefficients */ - if (ratio->horz > MID_RESIZE_VALUE) - h_filter = &filter_coefs.h_filter_coef_7tap[0]; - else - h_filter = &filter_coefs.h_filter_coef_4tap[0]; - - /* prepare vertical filter coefficients */ - if (ratio->vert > MID_RESIZE_VALUE) - v_filter = &filter_coefs.v_filter_coef_7tap[0]; - else - v_filter = &filter_coefs.v_filter_coef_4tap[0]; - - resizer_set_filters(res, h_filter, v_filter); -} - -/* - * resizer_set_dst_size - Setup the output height and width - * @res: Device context. - * @width: Output width. - * @height: Output height. - * - * Width : - * The value must be EVEN. - * - * Height: - * The number of bytes written to SDRAM must be - * a multiple of 16-bytes if the vertical resizing factor - * is greater than 1x (upsizing) - */ -static void resizer_set_output_size(struct isp_res_device *res, - u32 width, u32 height) -{ - struct isp_device *isp = to_isp_device(res); - u32 rgval = 0; - - dev_dbg(isp->dev, "Output size[w/h]: %dx%d\n", width, height); - rgval = (width << ISPRSZ_OUT_SIZE_HORZ_SHIFT) - & ISPRSZ_OUT_SIZE_HORZ_MASK; - rgval |= (height << ISPRSZ_OUT_SIZE_VERT_SHIFT) - & ISPRSZ_OUT_SIZE_VERT_MASK; - isp_reg_writel(isp, rgval, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_OUT_SIZE); -} - -/* - * resizer_set_output_offset - Setup memory offset for the output lines. - * @res: Device context. - * @offset: Memory offset. - * - * The 5 LSBs are forced to be zeros by the hardware to align on a 32-byte - * boundary; the 5 LSBs are read-only. For optimal use of SDRAM bandwidth, - * the SDRAM line offset must be set on a 256-byte boundary - */ -static void resizer_set_output_offset(struct isp_res_device *res, u32 offset) -{ - struct isp_device *isp = to_isp_device(res); - - isp_reg_writel(isp, offset, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_OUTOFF); -} - -/* - * resizer_set_start - Setup vertical and horizontal start position - * @res: Device context. - * @left: Horizontal start position. - * @top: Vertical start position. - * - * Vertical start line: - * This field makes sense only when the resizer obtains its input - * from the preview engine/CCDC - * - * Horizontal start pixel: - * Pixels are coded on 16 bits for YUV and 8 bits for color separate data. - * When the resizer gets its input from SDRAM, this field must be set - * to <= 15 for YUV 16-bit data and <= 31 for 8-bit color separate data - */ -static void resizer_set_start(struct isp_res_device *res, u32 left, u32 top) -{ - struct isp_device *isp = to_isp_device(res); - u32 rgval = 0; - - rgval = (left << ISPRSZ_IN_START_HORZ_ST_SHIFT) - & ISPRSZ_IN_START_HORZ_ST_MASK; - rgval |= (top << ISPRSZ_IN_START_VERT_ST_SHIFT) - & ISPRSZ_IN_START_VERT_ST_MASK; - - isp_reg_writel(isp, rgval, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_IN_START); -} - -/* - * resizer_set_input_size - Setup the input size - * @res: Device context. - * @width: The range is 0 to 4095 pixels - * @height: The range is 0 to 4095 lines - */ -static void resizer_set_input_size(struct isp_res_device *res, - u32 width, u32 height) -{ - struct isp_device *isp = to_isp_device(res); - u32 rgval = 0; - - dev_dbg(isp->dev, "Input size[w/h]: %dx%d\n", width, height); - - rgval = (width << ISPRSZ_IN_SIZE_HORZ_SHIFT) - & ISPRSZ_IN_SIZE_HORZ_MASK; - rgval |= (height << ISPRSZ_IN_SIZE_VERT_SHIFT) - & ISPRSZ_IN_SIZE_VERT_MASK; - - isp_reg_writel(isp, rgval, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_IN_SIZE); -} - -/* - * resizer_set_src_offs - Setup the memory offset for the input lines - * @res: Device context. - * @offset: Memory offset. - * - * The 5 LSBs are forced to be zeros by the hardware to align on a 32-byte - * boundary; the 5 LSBs are read-only. This field must be programmed to be - * 0x0 if the resizer input is from preview engine/CCDC. - */ -static void resizer_set_input_offset(struct isp_res_device *res, u32 offset) -{ - struct isp_device *isp = to_isp_device(res); - - isp_reg_writel(isp, offset, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_INOFF); -} - -/* - * resizer_set_intype - Input type select - * @res: Device context. - * @type: Pixel format type. - */ -static void resizer_set_intype(struct isp_res_device *res, - enum resizer_colors_type type) -{ - struct isp_device *isp = to_isp_device(res); - - if (type == RSZ_COLOR8) - isp_reg_set(isp, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, - ISPRSZ_CNT_INPTYP); - else - isp_reg_clr(isp, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, - ISPRSZ_CNT_INPTYP); -} - -/* - * __resizer_set_inaddr - Helper function for set input address - * @res : pointer to resizer private data structure - * @addr: input address - * return none - */ -static void __resizer_set_inaddr(struct isp_res_device *res, u32 addr) -{ - struct isp_device *isp = to_isp_device(res); - - isp_reg_writel(isp, addr, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_INADD); -} - -/* - * The data rate at the horizontal resizer output must not exceed half the - * functional clock or 100 MP/s, whichever is lower. According to the TRM - * there's no similar requirement for the vertical resizer output. However - * experience showed that vertical upscaling by 4 leads to SBL overflows (with - * data rates at the resizer output exceeding 300 MP/s). Limiting the resizer - * output data rate to the functional clock or 200 MP/s, whichever is lower, - * seems to get rid of SBL overflows. - * - * The maximum data rate at the output of the horizontal resizer can thus be - * computed with - * - * max intermediate rate <= L3 clock * input height / output height - * max intermediate rate <= L3 clock / 2 - * - * The maximum data rate at the resizer input is then - * - * max input rate <= max intermediate rate * input width / output width - * - * where the input width and height are the resizer input crop rectangle size. - * The TRM doesn't clearly explain if that's a maximum instant data rate or a - * maximum average data rate. - */ -void omap3isp_resizer_max_rate(struct isp_res_device *res, - unsigned int *max_rate) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&res->subdev.entity); - const struct v4l2_mbus_framefmt *ofmt = &res->formats[RESZ_PAD_SOURCE]; - unsigned long limit = min(pipe->l3_ick, 200000000UL); - unsigned long clock; - - clock = div_u64((u64)limit * res->crop.active.height, ofmt->height); - clock = min(clock, limit / 2); - *max_rate = div_u64((u64)clock * res->crop.active.width, ofmt->width); -} - -/* - * When the resizer processes images from memory, the driver must slow down read - * requests on the input to at least comply with the internal data rate - * requirements. If the application real-time requirements can cope with slower - * processing, the resizer can be slowed down even more to put less pressure on - * the overall system. - * - * When the resizer processes images on the fly (either from the CCDC or the - * preview module), the same data rate requirements apply but they can't be - * enforced at the resizer level. The image input module (sensor, CCP2 or - * preview module) must not provide image data faster than the resizer can - * process. - * - * For live image pipelines, the data rate is set by the frame format, size and - * rate. The sensor output frame rate must not exceed the maximum resizer data - * rate. - * - * The resizer slows down read requests by inserting wait cycles in the SBL - * requests. The maximum number of 256-byte requests per second can be computed - * as (the data rate is multiplied by 2 to convert from pixels per second to - * bytes per second) - * - * request per second = data rate * 2 / 256 - * cycles per request = cycles per second / requests per second - * - * The number of cycles per second is controlled by the L3 clock, leading to - * - * cycles per request = L3 frequency / 2 * 256 / data rate - */ -static void resizer_adjust_bandwidth(struct isp_res_device *res) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&res->subdev.entity); - struct isp_device *isp = to_isp_device(res); - unsigned long l3_ick = pipe->l3_ick; - struct v4l2_fract *timeperframe; - unsigned int cycles_per_frame; - unsigned int requests_per_frame; - unsigned int cycles_per_request; - unsigned int granularity; - unsigned int minimum; - unsigned int maximum; - unsigned int value; - - if (res->input != RESIZER_INPUT_MEMORY) { - isp_reg_clr(isp, OMAP3_ISP_IOMEM_SBL, ISPSBL_SDR_REQ_EXP, - ISPSBL_SDR_REQ_RSZ_EXP_MASK); - return; - } - - switch (isp->revision) { - case ISP_REVISION_1_0: - case ISP_REVISION_2_0: - default: - granularity = 1024; - break; - - case ISP_REVISION_15_0: - granularity = 32; - break; - } - - /* Compute the minimum number of cycles per request, based on the - * pipeline maximum data rate. This is an absolute lower bound if we - * don't want SBL overflows, so round the value up. - */ - cycles_per_request = div_u64((u64)l3_ick / 2 * 256 + pipe->max_rate - 1, - pipe->max_rate); - minimum = DIV_ROUND_UP(cycles_per_request, granularity); - - /* Compute the maximum number of cycles per request, based on the - * requested frame rate. This is a soft upper bound to achieve a frame - * rate equal or higher than the requested value, so round the value - * down. - */ - timeperframe = &pipe->max_timeperframe; - - requests_per_frame = DIV_ROUND_UP(res->crop.active.width * 2, 256) - * res->crop.active.height; - cycles_per_frame = div_u64((u64)l3_ick * timeperframe->numerator, - timeperframe->denominator); - cycles_per_request = cycles_per_frame / requests_per_frame; - - maximum = cycles_per_request / granularity; - - value = max(minimum, maximum); - - dev_dbg(isp->dev, "%s: cycles per request = %u\n", __func__, value); - isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_SBL, ISPSBL_SDR_REQ_EXP, - ISPSBL_SDR_REQ_RSZ_EXP_MASK, - value << ISPSBL_SDR_REQ_RSZ_EXP_SHIFT); -} - -/* - * omap3isp_resizer_busy - Checks if ISP resizer is busy. - * - * Returns busy field from ISPRSZ_PCR register. - */ -int omap3isp_resizer_busy(struct isp_res_device *res) -{ - struct isp_device *isp = to_isp_device(res); - - return isp_reg_readl(isp, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_PCR) & - ISPRSZ_PCR_BUSY; -} - -/* - * resizer_set_inaddr - Sets the memory address of the input frame. - * @addr: 32bit memory address aligned on 32byte boundary. - */ -static void resizer_set_inaddr(struct isp_res_device *res, u32 addr) -{ - res->addr_base = addr; - - /* This will handle crop settings in stream off state */ - if (res->crop_offset) - addr += res->crop_offset & ~0x1f; - - __resizer_set_inaddr(res, addr); -} - -/* - * Configures the memory address to which the output frame is written. - * @addr: 32bit memory address aligned on 32byte boundary. - * Note: For SBL efficiency reasons the address should be on a 256-byte - * boundary. - */ -static void resizer_set_outaddr(struct isp_res_device *res, u32 addr) -{ - struct isp_device *isp = to_isp_device(res); - - /* - * Set output address. This needs to be in its own function - * because it changes often. - */ - isp_reg_writel(isp, addr << ISPRSZ_SDR_OUTADD_ADDR_SHIFT, - OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_OUTADD); -} - -/* - * resizer_print_status - Prints the values of the resizer module registers. - */ -#define RSZ_PRINT_REGISTER(isp, name)\ - dev_dbg(isp->dev, "###RSZ " #name "=0x%08x\n", \ - isp_reg_readl(isp, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_##name)) - -static void resizer_print_status(struct isp_res_device *res) -{ - struct isp_device *isp = to_isp_device(res); - - dev_dbg(isp->dev, "-------------Resizer Register dump----------\n"); - - RSZ_PRINT_REGISTER(isp, PCR); - RSZ_PRINT_REGISTER(isp, CNT); - RSZ_PRINT_REGISTER(isp, OUT_SIZE); - RSZ_PRINT_REGISTER(isp, IN_START); - RSZ_PRINT_REGISTER(isp, IN_SIZE); - RSZ_PRINT_REGISTER(isp, SDR_INADD); - RSZ_PRINT_REGISTER(isp, SDR_INOFF); - RSZ_PRINT_REGISTER(isp, SDR_OUTADD); - RSZ_PRINT_REGISTER(isp, SDR_OUTOFF); - RSZ_PRINT_REGISTER(isp, YENH); - - dev_dbg(isp->dev, "--------------------------------------------\n"); -} - -/* - * resizer_calc_ratios - Helper function for calculating resizer ratios - * @res: pointer to resizer private data structure - * @input: input frame size - * @output: output frame size - * @ratio : return calculated ratios - * return none - * - * The resizer uses a polyphase sample rate converter. The upsampling filter - * has a fixed number of phases that depend on the resizing ratio. As the ratio - * computation depends on the number of phases, we need to compute a first - * approximation and then refine it. - * - * The input/output/ratio relationship is given by the OMAP34xx TRM: - * - * - 8-phase, 4-tap mode (RSZ = 64 ~ 512) - * iw = (32 * sph + (ow - 1) * hrsz + 16) >> 8 + 7 - * ih = (32 * spv + (oh - 1) * vrsz + 16) >> 8 + 4 - * - 4-phase, 7-tap mode (RSZ = 513 ~ 1024) - * iw = (64 * sph + (ow - 1) * hrsz + 32) >> 8 + 7 - * ih = (64 * spv + (oh - 1) * vrsz + 32) >> 8 + 7 - * - * iw and ih are the input width and height after cropping. Those equations need - * to be satisfied exactly for the resizer to work correctly. - * - * The equations can't be easily reverted, as the >> 8 operation is not linear. - * In addition, not all input sizes can be achieved for a given output size. To - * get the highest input size lower than or equal to the requested input size, - * we need to compute the highest resizing ratio that satisfies the following - * inequality (taking the 4-tap mode width equation as an example) - * - * iw >= (32 * sph + (ow - 1) * hrsz + 16) >> 8 - 7 - * - * (where iw is the requested input width) which can be rewritten as - * - * iw - 7 >= (32 * sph + (ow - 1) * hrsz + 16) >> 8 - * (iw - 7) << 8 >= 32 * sph + (ow - 1) * hrsz + 16 - b - * ((iw - 7) << 8) + b >= 32 * sph + (ow - 1) * hrsz + 16 - * - * where b is the value of the 8 least significant bits of the right hand side - * expression of the last inequality. The highest resizing ratio value will be - * achieved when b is equal to its maximum value of 255. That resizing ratio - * value will still satisfy the original inequality, as b will disappear when - * the expression will be shifted right by 8. - * - * The reverted equations thus become - * - * - 8-phase, 4-tap mode - * hrsz = ((iw - 7) * 256 + 255 - 16 - 32 * sph) / (ow - 1) - * vrsz = ((ih - 4) * 256 + 255 - 16 - 32 * spv) / (oh - 1) - * - 4-phase, 7-tap mode - * hrsz = ((iw - 7) * 256 + 255 - 32 - 64 * sph) / (ow - 1) - * vrsz = ((ih - 7) * 256 + 255 - 32 - 64 * spv) / (oh - 1) - * - * The ratios are integer values, and are rounded down to ensure that the - * cropped input size is not bigger than the uncropped input size. - * - * As the number of phases/taps, used to select the correct equations to compute - * the ratio, depends on the ratio, we start with the 4-tap mode equations to - * compute an approximation of the ratio, and switch to the 7-tap mode equations - * if the approximation is higher than the ratio threshold. - * - * As the 7-tap mode equations will return a ratio smaller than or equal to the - * 4-tap mode equations, the resulting ratio could become lower than or equal to - * the ratio threshold. This 'equations loop' isn't an issue as long as the - * correct equations are used to compute the final input size. Starting with the - * 4-tap mode equations ensure that, in case of values resulting in a 'ratio - * loop', the smallest of the ratio values will be used, never exceeding the - * requested input size. - * - * We first clamp the output size according to the hardware capability to avoid - * auto-cropping the input more than required to satisfy the TRM equations. The - * minimum output size is achieved with a scaling factor of 1024. It is thus - * computed using the 7-tap equations. - * - * min ow = ((iw - 7) * 256 - 32 - 64 * sph) / 1024 + 1 - * min oh = ((ih - 7) * 256 - 32 - 64 * spv) / 1024 + 1 - * - * Similarly, the maximum output size is achieved with a scaling factor of 64 - * and computed using the 4-tap equations. - * - * max ow = ((iw - 7) * 256 + 255 - 16 - 32 * sph) / 64 + 1 - * max oh = ((ih - 4) * 256 + 255 - 16 - 32 * spv) / 64 + 1 - * - * The additional +255 term compensates for the round down operation performed - * by the TRM equations when shifting the value right by 8 bits. - * - * We then compute and clamp the ratios (x1/4 ~ x4). Clamping the output size to - * the maximum value guarantees that the ratio value will never be smaller than - * the minimum, but it could still slightly exceed the maximum. Clamping the - * ratio will thus result in a resizing factor slightly larger than the - * requested value. - * - * To accommodate that, and make sure the TRM equations are satisfied exactly, we - * compute the input crop rectangle as the last step. - * - * As if the situation wasn't complex enough, the maximum output width depends - * on the vertical resizing ratio. Fortunately, the output height doesn't - * depend on the horizontal resizing ratio. We can then start by computing the - * output height and the vertical ratio, and then move to computing the output - * width and the horizontal ratio. - */ -static void resizer_calc_ratios(struct isp_res_device *res, - struct v4l2_rect *input, - struct v4l2_mbus_framefmt *output, - struct resizer_ratio *ratio) -{ - struct isp_device *isp = to_isp_device(res); - const unsigned int spv = DEFAULT_PHASE; - const unsigned int sph = DEFAULT_PHASE; - unsigned int upscaled_width; - unsigned int upscaled_height; - unsigned int min_width; - unsigned int min_height; - unsigned int max_width; - unsigned int max_height; - unsigned int width_alignment; - unsigned int width; - unsigned int height; - - /* - * Clamp the output height based on the hardware capabilities and - * compute the vertical resizing ratio. - */ - min_height = ((input->height - 7) * 256 - 32 - 64 * spv) / 1024 + 1; - min_height = max_t(unsigned int, min_height, MIN_OUT_HEIGHT); - max_height = ((input->height - 4) * 256 + 255 - 16 - 32 * spv) / 64 + 1; - max_height = min_t(unsigned int, max_height, MAX_OUT_HEIGHT); - output->height = clamp(output->height, min_height, max_height); - - ratio->vert = ((input->height - 4) * 256 + 255 - 16 - 32 * spv) - / (output->height - 1); - if (ratio->vert > MID_RESIZE_VALUE) - ratio->vert = ((input->height - 7) * 256 + 255 - 32 - 64 * spv) - / (output->height - 1); - ratio->vert = clamp_t(unsigned int, ratio->vert, - MIN_RESIZE_VALUE, MAX_RESIZE_VALUE); - - if (ratio->vert <= MID_RESIZE_VALUE) { - upscaled_height = (output->height - 1) * ratio->vert - + 32 * spv + 16; - height = (upscaled_height >> 8) + 4; - } else { - upscaled_height = (output->height - 1) * ratio->vert - + 64 * spv + 32; - height = (upscaled_height >> 8) + 7; - } - - /* - * Compute the minimum and maximum output widths based on the hardware - * capabilities. The maximum depends on the vertical resizing ratio. - */ - min_width = ((input->width - 7) * 256 - 32 - 64 * sph) / 1024 + 1; - min_width = max_t(unsigned int, min_width, MIN_OUT_WIDTH); - - if (ratio->vert <= MID_RESIZE_VALUE) { - switch (isp->revision) { - case ISP_REVISION_1_0: - max_width = MAX_4TAP_OUT_WIDTH_ES1; - break; - - case ISP_REVISION_2_0: - default: - max_width = MAX_4TAP_OUT_WIDTH_ES2; - break; - - case ISP_REVISION_15_0: - max_width = MAX_4TAP_OUT_WIDTH_3630; - break; - } - } else { - switch (isp->revision) { - case ISP_REVISION_1_0: - max_width = MAX_7TAP_OUT_WIDTH_ES1; - break; - - case ISP_REVISION_2_0: - default: - max_width = MAX_7TAP_OUT_WIDTH_ES2; - break; - - case ISP_REVISION_15_0: - max_width = MAX_7TAP_OUT_WIDTH_3630; - break; - } - } - max_width = min(((input->width - 7) * 256 + 255 - 16 - 32 * sph) / 64 - + 1, max_width); - - /* - * The output width must be even, and must be a multiple of 16 bytes - * when upscaling vertically. Clamp the output width to the valid range. - * Take the alignment into account (the maximum width in 7-tap mode on - * ES2 isn't a multiple of 8) and align the result up to make sure it - * won't be smaller than the minimum. - */ - width_alignment = ratio->vert < 256 ? 8 : 2; - output->width = clamp(output->width, min_width, - max_width & ~(width_alignment - 1)); - output->width = ALIGN(output->width, width_alignment); - - ratio->horz = ((input->width - 7) * 256 + 255 - 16 - 32 * sph) - / (output->width - 1); - if (ratio->horz > MID_RESIZE_VALUE) - ratio->horz = ((input->width - 7) * 256 + 255 - 32 - 64 * sph) - / (output->width - 1); - ratio->horz = clamp_t(unsigned int, ratio->horz, - MIN_RESIZE_VALUE, MAX_RESIZE_VALUE); - - if (ratio->horz <= MID_RESIZE_VALUE) { - upscaled_width = (output->width - 1) * ratio->horz - + 32 * sph + 16; - width = (upscaled_width >> 8) + 7; - } else { - upscaled_width = (output->width - 1) * ratio->horz - + 64 * sph + 32; - width = (upscaled_width >> 8) + 7; - } - - /* Center the new crop rectangle. */ - input->left += (input->width - width) / 2; - input->top += (input->height - height) / 2; - input->width = width; - input->height = height; -} - -/* - * resizer_set_crop_params - Setup hardware with cropping parameters - * @res : resizer private structure - * @crop_rect : current crop rectangle - * @ratio : resizer ratios - * return none - */ -static void resizer_set_crop_params(struct isp_res_device *res, - const struct v4l2_mbus_framefmt *input, - const struct v4l2_mbus_framefmt *output) -{ - resizer_set_ratio(res, &res->ratio); - - /* Set chrominance horizontal algorithm */ - if (res->ratio.horz >= RESIZE_DIVISOR) - resizer_set_bilinear(res, RSZ_THE_SAME); - else - resizer_set_bilinear(res, RSZ_BILINEAR); - - resizer_adjust_bandwidth(res); - - if (res->input == RESIZER_INPUT_MEMORY) { - /* Calculate additional offset for crop */ - res->crop_offset = (res->crop.active.top * input->width + - res->crop.active.left) * 2; - /* - * Write lowest 4 bits of horizontal pixel offset (in pixels), - * vertical start must be 0. - */ - resizer_set_start(res, (res->crop_offset / 2) & 0xf, 0); - - /* - * Set start (read) address for cropping, in bytes. - * Lowest 5 bits must be zero. - */ - __resizer_set_inaddr(res, - res->addr_base + (res->crop_offset & ~0x1f)); - } else { - /* - * Set vertical start line and horizontal starting pixel. - * If the input is from CCDC/PREV, horizontal start field is - * in bytes (twice number of pixels). - */ - resizer_set_start(res, res->crop.active.left * 2, - res->crop.active.top); - /* Input address and offset must be 0 for preview/ccdc input */ - __resizer_set_inaddr(res, 0); - resizer_set_input_offset(res, 0); - } - - /* Set the input size */ - resizer_set_input_size(res, res->crop.active.width, - res->crop.active.height); -} - -static void resizer_configure(struct isp_res_device *res) -{ - struct v4l2_mbus_framefmt *informat, *outformat; - struct resizer_luma_yenh luma = {0, 0, 0, 0}; - - resizer_set_source(res, res->input); - - informat = &res->formats[RESZ_PAD_SINK]; - outformat = &res->formats[RESZ_PAD_SOURCE]; - - /* RESZ_PAD_SINK */ - if (res->input == RESIZER_INPUT_VP) - resizer_set_input_offset(res, 0); - else - resizer_set_input_offset(res, ALIGN(informat->width, 0x10) * 2); - - /* YUV422 interleaved, default phase, no luma enhancement */ - resizer_set_intype(res, RSZ_YUV422); - resizer_set_ycpos(res, informat->code); - resizer_set_phase(res, DEFAULT_PHASE, DEFAULT_PHASE); - resizer_set_luma(res, &luma); - - /* RESZ_PAD_SOURCE */ - resizer_set_output_offset(res, ALIGN(outformat->width * 2, 32)); - resizer_set_output_size(res, outformat->width, outformat->height); - - resizer_set_crop_params(res, informat, outformat); -} - -/* ----------------------------------------------------------------------------- - * Interrupt handling - */ - -static void resizer_enable_oneshot(struct isp_res_device *res) -{ - struct isp_device *isp = to_isp_device(res); - - isp_reg_set(isp, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_PCR, - ISPRSZ_PCR_ENABLE | ISPRSZ_PCR_ONESHOT); -} - -void omap3isp_resizer_isr_frame_sync(struct isp_res_device *res) -{ - /* - * If ISP_VIDEO_DMAQUEUE_QUEUED is set, DMA queue had an underrun - * condition, the module was paused and now we have a buffer queued - * on the output again. Restart the pipeline if running in continuous - * mode. - */ - if (res->state == ISP_PIPELINE_STREAM_CONTINUOUS && - res->video_out.dmaqueue_flags & ISP_VIDEO_DMAQUEUE_QUEUED) { - resizer_enable_oneshot(res); - isp_video_dmaqueue_flags_clr(&res->video_out); - } -} - -static void resizer_isr_buffer(struct isp_res_device *res) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&res->subdev.entity); - struct isp_buffer *buffer; - int restart = 0; - - if (res->state == ISP_PIPELINE_STREAM_STOPPED) - return; - - /* Complete the output buffer and, if reading from memory, the input - * buffer. - */ - buffer = omap3isp_video_buffer_next(&res->video_out); - if (buffer != NULL) { - resizer_set_outaddr(res, buffer->isp_addr); - restart = 1; - } - - pipe->state |= ISP_PIPELINE_IDLE_OUTPUT; - - if (res->input == RESIZER_INPUT_MEMORY) { - buffer = omap3isp_video_buffer_next(&res->video_in); - if (buffer != NULL) - resizer_set_inaddr(res, buffer->isp_addr); - pipe->state |= ISP_PIPELINE_IDLE_INPUT; - } - - if (res->state == ISP_PIPELINE_STREAM_SINGLESHOT) { - if (isp_pipeline_ready(pipe)) - omap3isp_pipeline_set_stream(pipe, - ISP_PIPELINE_STREAM_SINGLESHOT); - } else { - /* If an underrun occurs, the video queue operation handler will - * restart the resizer. Otherwise restart it immediately. - */ - if (restart) - resizer_enable_oneshot(res); - } -} - -/* - * omap3isp_resizer_isr - ISP resizer interrupt handler - * - * Manage the resizer video buffers and configure shadowed and busy-locked - * registers. - */ -void omap3isp_resizer_isr(struct isp_res_device *res) -{ - struct v4l2_mbus_framefmt *informat, *outformat; - - if (omap3isp_module_sync_is_stopping(&res->wait, &res->stopping)) - return; - - if (res->applycrop) { - outformat = __resizer_get_format(res, NULL, RESZ_PAD_SOURCE, - V4L2_SUBDEV_FORMAT_ACTIVE); - informat = __resizer_get_format(res, NULL, RESZ_PAD_SINK, - V4L2_SUBDEV_FORMAT_ACTIVE); - resizer_set_crop_params(res, informat, outformat); - res->applycrop = 0; - } - - resizer_isr_buffer(res); -} - -/* ----------------------------------------------------------------------------- - * ISP video operations - */ - -static int resizer_video_queue(struct isp_video *video, - struct isp_buffer *buffer) -{ - struct isp_res_device *res = &video->isp->isp_res; - - if (video->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) - resizer_set_inaddr(res, buffer->isp_addr); - - /* - * We now have a buffer queued on the output. Despite what the - * TRM says, the resizer can't be restarted immediately. - * Enabling it in one shot mode in the middle of a frame (or at - * least asynchronously to the frame) results in the output - * being shifted randomly left/right and up/down, as if the - * hardware didn't synchronize itself to the beginning of the - * frame correctly. - * - * Restart the resizer on the next sync interrupt if running in - * continuous mode or when starting the stream. - */ - if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - resizer_set_outaddr(res, buffer->isp_addr); - - return 0; -} - -static const struct isp_video_operations resizer_video_ops = { - .queue = resizer_video_queue, -}; - -/* ----------------------------------------------------------------------------- - * V4L2 subdev operations - */ - -/* - * resizer_set_stream - Enable/Disable streaming on resizer subdev - * @sd: ISP resizer V4L2 subdev - * @enable: 1 == Enable, 0 == Disable - * - * The resizer hardware can't be enabled without a memory buffer to write to. - * As the s_stream operation is called in response to a STREAMON call without - * any buffer queued yet, just update the state field and return immediately. - * The resizer will be enabled in resizer_video_queue(). - */ -static int resizer_set_stream(struct v4l2_subdev *sd, int enable) -{ - struct isp_res_device *res = v4l2_get_subdevdata(sd); - struct isp_video *video_out = &res->video_out; - struct isp_device *isp = to_isp_device(res); - struct device *dev = to_device(res); - - if (res->state == ISP_PIPELINE_STREAM_STOPPED) { - if (enable == ISP_PIPELINE_STREAM_STOPPED) - return 0; - - omap3isp_subclk_enable(isp, OMAP3_ISP_SUBCLK_RESIZER); - resizer_configure(res); - resizer_print_status(res); - } - - switch (enable) { - case ISP_PIPELINE_STREAM_CONTINUOUS: - omap3isp_sbl_enable(isp, OMAP3_ISP_SBL_RESIZER_WRITE); - if (video_out->dmaqueue_flags & ISP_VIDEO_DMAQUEUE_QUEUED) { - resizer_enable_oneshot(res); - isp_video_dmaqueue_flags_clr(video_out); - } - break; - - case ISP_PIPELINE_STREAM_SINGLESHOT: - if (res->input == RESIZER_INPUT_MEMORY) - omap3isp_sbl_enable(isp, OMAP3_ISP_SBL_RESIZER_READ); - omap3isp_sbl_enable(isp, OMAP3_ISP_SBL_RESIZER_WRITE); - - resizer_enable_oneshot(res); - break; - - case ISP_PIPELINE_STREAM_STOPPED: - if (omap3isp_module_sync_idle(&sd->entity, &res->wait, - &res->stopping)) - dev_dbg(dev, "%s: module stop timeout.\n", sd->name); - omap3isp_sbl_disable(isp, OMAP3_ISP_SBL_RESIZER_READ | - OMAP3_ISP_SBL_RESIZER_WRITE); - omap3isp_subclk_disable(isp, OMAP3_ISP_SUBCLK_RESIZER); - isp_video_dmaqueue_flags_clr(video_out); - break; - } - - res->state = enable; - return 0; -} - -/* - * resizer_try_crop - mangles crop parameters. - */ -static void resizer_try_crop(const struct v4l2_mbus_framefmt *sink, - const struct v4l2_mbus_framefmt *source, - struct v4l2_rect *crop) -{ - const unsigned int spv = DEFAULT_PHASE; - const unsigned int sph = DEFAULT_PHASE; - - /* Crop rectangle is constrained by the output size so that zoom ratio - * cannot exceed +/-4.0. - */ - unsigned int min_width = - ((32 * sph + (source->width - 1) * 64 + 16) >> 8) + 7; - unsigned int min_height = - ((32 * spv + (source->height - 1) * 64 + 16) >> 8) + 4; - unsigned int max_width = - ((64 * sph + (source->width - 1) * 1024 + 32) >> 8) + 7; - unsigned int max_height = - ((64 * spv + (source->height - 1) * 1024 + 32) >> 8) + 7; - - crop->width = clamp_t(u32, crop->width, min_width, max_width); - crop->height = clamp_t(u32, crop->height, min_height, max_height); - - /* Crop can not go beyond of the input rectangle */ - crop->left = clamp_t(u32, crop->left, 0, sink->width - MIN_IN_WIDTH); - crop->width = clamp_t(u32, crop->width, MIN_IN_WIDTH, - sink->width - crop->left); - crop->top = clamp_t(u32, crop->top, 0, sink->height - MIN_IN_HEIGHT); - crop->height = clamp_t(u32, crop->height, MIN_IN_HEIGHT, - sink->height - crop->top); -} - -/* - * resizer_get_selection - Retrieve a selection rectangle on a pad - * @sd: ISP resizer V4L2 subdevice - * @fh: V4L2 subdev file handle - * @sel: Selection rectangle - * - * The only supported rectangles are the crop rectangles on the sink pad. - * - * Return 0 on success or a negative error code otherwise. - */ -static int resizer_get_selection(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_selection *sel) -{ - struct isp_res_device *res = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format_source; - struct v4l2_mbus_framefmt *format_sink; - struct resizer_ratio ratio; - - if (sel->pad != RESZ_PAD_SINK) - return -EINVAL; - - format_sink = __resizer_get_format(res, fh, RESZ_PAD_SINK, - sel->which); - format_source = __resizer_get_format(res, fh, RESZ_PAD_SOURCE, - sel->which); - - switch (sel->target) { - case V4L2_SEL_TGT_CROP_BOUNDS: - sel->r.left = 0; - sel->r.top = 0; - sel->r.width = INT_MAX; - sel->r.height = INT_MAX; - - resizer_try_crop(format_sink, format_source, &sel->r); - resizer_calc_ratios(res, &sel->r, format_source, &ratio); - break; - - case V4L2_SEL_TGT_CROP: - sel->r = *__resizer_get_crop(res, fh, sel->which); - resizer_calc_ratios(res, &sel->r, format_source, &ratio); - break; - - default: - return -EINVAL; - } - - return 0; -} - -/* - * resizer_set_selection - Set a selection rectangle on a pad - * @sd: ISP resizer V4L2 subdevice - * @fh: V4L2 subdev file handle - * @sel: Selection rectangle - * - * The only supported rectangle is the actual crop rectangle on the sink pad. - * - * FIXME: This function currently behaves as if the KEEP_CONFIG selection flag - * was always set. - * - * Return 0 on success or a negative error code otherwise. - */ -static int resizer_set_selection(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_selection *sel) -{ - struct isp_res_device *res = v4l2_get_subdevdata(sd); - struct isp_device *isp = to_isp_device(res); - struct v4l2_mbus_framefmt *format_sink, *format_source; - struct resizer_ratio ratio; - - if (sel->target != V4L2_SEL_TGT_CROP || - sel->pad != RESZ_PAD_SINK) - return -EINVAL; - - format_sink = __resizer_get_format(res, fh, RESZ_PAD_SINK, - sel->which); - format_source = __resizer_get_format(res, fh, RESZ_PAD_SOURCE, - sel->which); - - dev_dbg(isp->dev, "%s: L=%d,T=%d,W=%d,H=%d,which=%d\n", __func__, - sel->r.left, sel->r.top, sel->r.width, sel->r.height, - sel->which); - - dev_dbg(isp->dev, "%s: input=%dx%d, output=%dx%d\n", __func__, - format_sink->width, format_sink->height, - format_source->width, format_source->height); - - /* Clamp the crop rectangle to the bounds, and then mangle it further to - * fulfill the TRM equations. Store the clamped but otherwise unmangled - * rectangle to avoid cropping the input multiple times: when an - * application sets the output format, the current crop rectangle is - * mangled during crop rectangle computation, which would lead to a new, - * smaller input crop rectangle every time the output size is set if we - * stored the mangled rectangle. - */ - resizer_try_crop(format_sink, format_source, &sel->r); - *__resizer_get_crop(res, fh, sel->which) = sel->r; - resizer_calc_ratios(res, &sel->r, format_source, &ratio); - - if (sel->which == V4L2_SUBDEV_FORMAT_TRY) - return 0; - - res->ratio = ratio; - res->crop.active = sel->r; - - /* - * set_selection can be called while streaming is on. In this case the - * crop values will be set in the next IRQ. - */ - if (res->state != ISP_PIPELINE_STREAM_STOPPED) - res->applycrop = 1; - - return 0; -} - -/* resizer pixel formats */ -static const unsigned int resizer_formats[] = { - V4L2_MBUS_FMT_UYVY8_1X16, - V4L2_MBUS_FMT_YUYV8_1X16, -}; - -static unsigned int resizer_max_in_width(struct isp_res_device *res) -{ - struct isp_device *isp = to_isp_device(res); - - if (res->input == RESIZER_INPUT_MEMORY) { - return MAX_IN_WIDTH_MEMORY_MODE; - } else { - if (isp->revision == ISP_REVISION_1_0) - return MAX_IN_WIDTH_ONTHEFLY_MODE_ES1; - else - return MAX_IN_WIDTH_ONTHEFLY_MODE_ES2; - } -} - -/* - * resizer_try_format - Handle try format by pad subdev method - * @res : ISP resizer device - * @fh : V4L2 subdev file handle - * @pad : pad num - * @fmt : pointer to v4l2 format structure - * @which : wanted subdev format - */ -static void resizer_try_format(struct isp_res_device *res, - struct v4l2_subdev_fh *fh, unsigned int pad, - struct v4l2_mbus_framefmt *fmt, - enum v4l2_subdev_format_whence which) -{ - struct v4l2_mbus_framefmt *format; - struct resizer_ratio ratio; - struct v4l2_rect crop; - - switch (pad) { - case RESZ_PAD_SINK: - if (fmt->code != V4L2_MBUS_FMT_YUYV8_1X16 && - fmt->code != V4L2_MBUS_FMT_UYVY8_1X16) - fmt->code = V4L2_MBUS_FMT_YUYV8_1X16; - - fmt->width = clamp_t(u32, fmt->width, MIN_IN_WIDTH, - resizer_max_in_width(res)); - fmt->height = clamp_t(u32, fmt->height, MIN_IN_HEIGHT, - MAX_IN_HEIGHT); - break; - - case RESZ_PAD_SOURCE: - format = __resizer_get_format(res, fh, RESZ_PAD_SINK, which); - fmt->code = format->code; - - crop = *__resizer_get_crop(res, fh, which); - resizer_calc_ratios(res, &crop, fmt, &ratio); - break; - } - - fmt->colorspace = V4L2_COLORSPACE_JPEG; - fmt->field = V4L2_FIELD_NONE; -} - -/* - * resizer_enum_mbus_code - Handle pixel format enumeration - * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @code : pointer to v4l2_subdev_mbus_code_enum structure - * return -EINVAL or zero on success - */ -static int resizer_enum_mbus_code(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_mbus_code_enum *code) -{ - struct isp_res_device *res = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - if (code->pad == RESZ_PAD_SINK) { - if (code->index >= ARRAY_SIZE(resizer_formats)) - return -EINVAL; - - code->code = resizer_formats[code->index]; - } else { - if (code->index != 0) - return -EINVAL; - - format = __resizer_get_format(res, fh, RESZ_PAD_SINK, - V4L2_SUBDEV_FORMAT_TRY); - code->code = format->code; - } - - return 0; -} - -static int resizer_enum_frame_size(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_frame_size_enum *fse) -{ - struct isp_res_device *res = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt format; - - if (fse->index != 0) - return -EINVAL; - - format.code = fse->code; - format.width = 1; - format.height = 1; - resizer_try_format(res, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); - fse->min_width = format.width; - fse->min_height = format.height; - - if (format.code != fse->code) - return -EINVAL; - - format.code = fse->code; - format.width = -1; - format.height = -1; - resizer_try_format(res, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); - fse->max_width = format.width; - fse->max_height = format.height; - - return 0; -} - -/* - * resizer_get_format - Handle get format by pads subdev method - * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @fmt : pointer to v4l2 subdev format structure - * return -EINVAL or zero on success - */ -static int resizer_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_format *fmt) -{ - struct isp_res_device *res = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - - format = __resizer_get_format(res, fh, fmt->pad, fmt->which); - if (format == NULL) - return -EINVAL; - - fmt->format = *format; - return 0; -} - -/* - * resizer_set_format - Handle set format by pads subdev method - * @sd : pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @fmt : pointer to v4l2 subdev format structure - * return -EINVAL or zero on success - */ -static int resizer_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_format *fmt) -{ - struct isp_res_device *res = v4l2_get_subdevdata(sd); - struct v4l2_mbus_framefmt *format; - struct v4l2_rect *crop; - - format = __resizer_get_format(res, fh, fmt->pad, fmt->which); - if (format == NULL) - return -EINVAL; - - resizer_try_format(res, fh, fmt->pad, &fmt->format, fmt->which); - *format = fmt->format; - - if (fmt->pad == RESZ_PAD_SINK) { - /* reset crop rectangle */ - crop = __resizer_get_crop(res, fh, fmt->which); - crop->left = 0; - crop->top = 0; - crop->width = fmt->format.width; - crop->height = fmt->format.height; - - /* Propagate the format from sink to source */ - format = __resizer_get_format(res, fh, RESZ_PAD_SOURCE, - fmt->which); - *format = fmt->format; - resizer_try_format(res, fh, RESZ_PAD_SOURCE, format, - fmt->which); - } - - if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) { - /* Compute and store the active crop rectangle and resizer - * ratios. format already points to the source pad active - * format. - */ - res->crop.active = res->crop.request; - resizer_calc_ratios(res, &res->crop.active, format, - &res->ratio); - } - - return 0; -} - -/* - * resizer_init_formats - Initialize formats on all pads - * @sd: ISP resizer V4L2 subdevice - * @fh: V4L2 subdev file handle - * - * Initialize all pad formats with default values. If fh is not NULL, try - * formats are initialized on the file handle. Otherwise active formats are - * initialized on the device. - */ -static int resizer_init_formats(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh) -{ - struct v4l2_subdev_format format; - - memset(&format, 0, sizeof(format)); - format.pad = RESZ_PAD_SINK; - format.which = fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; - format.format.code = V4L2_MBUS_FMT_YUYV8_1X16; - format.format.width = 4096; - format.format.height = 4096; - resizer_set_format(sd, fh, &format); - - return 0; -} - -/* subdev video operations */ -static const struct v4l2_subdev_video_ops resizer_v4l2_video_ops = { - .s_stream = resizer_set_stream, -}; - -/* subdev pad operations */ -static const struct v4l2_subdev_pad_ops resizer_v4l2_pad_ops = { - .enum_mbus_code = resizer_enum_mbus_code, - .enum_frame_size = resizer_enum_frame_size, - .get_fmt = resizer_get_format, - .set_fmt = resizer_set_format, - .get_selection = resizer_get_selection, - .set_selection = resizer_set_selection, -}; - -/* subdev operations */ -static const struct v4l2_subdev_ops resizer_v4l2_ops = { - .video = &resizer_v4l2_video_ops, - .pad = &resizer_v4l2_pad_ops, -}; - -/* subdev internal operations */ -static const struct v4l2_subdev_internal_ops resizer_v4l2_internal_ops = { - .open = resizer_init_formats, -}; - -/* ----------------------------------------------------------------------------- - * Media entity operations - */ - -/* - * resizer_link_setup - Setup resizer connections. - * @entity : Pointer to media entity structure - * @local : Pointer to local pad array - * @remote : Pointer to remote pad array - * @flags : Link flags - * return -EINVAL or zero on success - */ -static int resizer_link_setup(struct media_entity *entity, - const struct media_pad *local, - const struct media_pad *remote, u32 flags) -{ - struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); - struct isp_res_device *res = v4l2_get_subdevdata(sd); - - switch (local->index | media_entity_type(remote->entity)) { - case RESZ_PAD_SINK | MEDIA_ENT_T_DEVNODE: - /* read from memory */ - if (flags & MEDIA_LNK_FL_ENABLED) { - if (res->input == RESIZER_INPUT_VP) - return -EBUSY; - res->input = RESIZER_INPUT_MEMORY; - } else { - if (res->input == RESIZER_INPUT_MEMORY) - res->input = RESIZER_INPUT_NONE; - } - break; - - case RESZ_PAD_SINK | MEDIA_ENT_T_V4L2_SUBDEV: - /* read from ccdc or previewer */ - if (flags & MEDIA_LNK_FL_ENABLED) { - if (res->input == RESIZER_INPUT_MEMORY) - return -EBUSY; - res->input = RESIZER_INPUT_VP; - } else { - if (res->input == RESIZER_INPUT_VP) - res->input = RESIZER_INPUT_NONE; - } - break; - - case RESZ_PAD_SOURCE | MEDIA_ENT_T_DEVNODE: - /* resizer always write to memory */ - break; - - default: - return -EINVAL; - } - - return 0; -} - -/* media operations */ -static const struct media_entity_operations resizer_media_ops = { - .link_setup = resizer_link_setup, - .link_validate = v4l2_subdev_link_validate, -}; - -void omap3isp_resizer_unregister_entities(struct isp_res_device *res) -{ - v4l2_device_unregister_subdev(&res->subdev); - omap3isp_video_unregister(&res->video_in); - omap3isp_video_unregister(&res->video_out); -} - -int omap3isp_resizer_register_entities(struct isp_res_device *res, - struct v4l2_device *vdev) -{ - int ret; - - /* Register the subdev and video nodes. */ - ret = v4l2_device_register_subdev(vdev, &res->subdev); - if (ret < 0) - goto error; - - ret = omap3isp_video_register(&res->video_in, vdev); - if (ret < 0) - goto error; - - ret = omap3isp_video_register(&res->video_out, vdev); - if (ret < 0) - goto error; - - return 0; - -error: - omap3isp_resizer_unregister_entities(res); - return ret; -} - -/* ----------------------------------------------------------------------------- - * ISP resizer initialization and cleanup - */ - -/* - * resizer_init_entities - Initialize resizer subdev and media entity. - * @res : Pointer to resizer device structure - * return -ENOMEM or zero on success - */ -static int resizer_init_entities(struct isp_res_device *res) -{ - struct v4l2_subdev *sd = &res->subdev; - struct media_pad *pads = res->pads; - struct media_entity *me = &sd->entity; - int ret; - - res->input = RESIZER_INPUT_NONE; - - v4l2_subdev_init(sd, &resizer_v4l2_ops); - sd->internal_ops = &resizer_v4l2_internal_ops; - strlcpy(sd->name, "OMAP3 ISP resizer", sizeof(sd->name)); - sd->grp_id = 1 << 16; /* group ID for isp subdevs */ - v4l2_set_subdevdata(sd, res); - sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - - pads[RESZ_PAD_SINK].flags = MEDIA_PAD_FL_SINK; - pads[RESZ_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; - - me->ops = &resizer_media_ops; - ret = media_entity_init(me, RESZ_PADS_NUM, pads, 0); - if (ret < 0) - return ret; - - resizer_init_formats(sd, NULL); - - res->video_in.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - res->video_in.ops = &resizer_video_ops; - res->video_in.isp = to_isp_device(res); - res->video_in.capture_mem = PAGE_ALIGN(4096 * 4096) * 2 * 3; - res->video_in.bpl_alignment = 32; - res->video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - res->video_out.ops = &resizer_video_ops; - res->video_out.isp = to_isp_device(res); - res->video_out.capture_mem = PAGE_ALIGN(4096 * 4096) * 2 * 3; - res->video_out.bpl_alignment = 32; - - ret = omap3isp_video_init(&res->video_in, "resizer"); - if (ret < 0) - goto error_video_in; - - ret = omap3isp_video_init(&res->video_out, "resizer"); - if (ret < 0) - goto error_video_out; - - res->video_out.video.entity.flags |= MEDIA_ENT_FL_DEFAULT; - - /* Connect the video nodes to the resizer subdev. */ - ret = media_entity_create_link(&res->video_in.video.entity, 0, - &res->subdev.entity, RESZ_PAD_SINK, 0); - if (ret < 0) - goto error_link; - - ret = media_entity_create_link(&res->subdev.entity, RESZ_PAD_SOURCE, - &res->video_out.video.entity, 0, 0); - if (ret < 0) - goto error_link; - - return 0; - -error_link: - omap3isp_video_cleanup(&res->video_out); -error_video_out: - omap3isp_video_cleanup(&res->video_in); -error_video_in: - media_entity_cleanup(&res->subdev.entity); - return ret; -} - -/* - * isp_resizer_init - Resizer initialization. - * @isp : Pointer to ISP device - * return -ENOMEM or zero on success - */ -int omap3isp_resizer_init(struct isp_device *isp) -{ - struct isp_res_device *res = &isp->isp_res; - - init_waitqueue_head(&res->wait); - atomic_set(&res->stopping, 0); - return resizer_init_entities(res); -} - -void omap3isp_resizer_cleanup(struct isp_device *isp) -{ - struct isp_res_device *res = &isp->isp_res; - - omap3isp_video_cleanup(&res->video_in); - omap3isp_video_cleanup(&res->video_out); - media_entity_cleanup(&res->subdev.entity); -} diff --git a/drivers/media/video/omap3isp/ispresizer.h b/drivers/media/video/omap3isp/ispresizer.h deleted file mode 100644 index 70c1c0e1bbdf..000000000000 --- a/drivers/media/video/omap3isp/ispresizer.h +++ /dev/null @@ -1,146 +0,0 @@ -/* - * ispresizer.h - * - * TI OMAP3 ISP - Resizer module - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef OMAP3_ISP_RESIZER_H -#define OMAP3_ISP_RESIZER_H - -#include <linux/types.h> - -/* - * Constants for filter coefficents count - */ -#define COEFF_CNT 32 - -/* - * struct isprsz_coef - Structure for resizer filter coeffcients. - * @h_filter_coef_4tap: Horizontal filter coefficients for 8-phase/4-tap - * mode (.5x-4x) - * @v_filter_coef_4tap: Vertical filter coefficients for 8-phase/4-tap - * mode (.5x-4x) - * @h_filter_coef_7tap: Horizontal filter coefficients for 4-phase/7-tap - * mode (.25x-.5x) - * @v_filter_coef_7tap: Vertical filter coefficients for 4-phase/7-tap - * mode (.25x-.5x) - */ -struct isprsz_coef { - u16 h_filter_coef_4tap[32]; - u16 v_filter_coef_4tap[32]; - /* Every 8th value is a dummy value in the following arrays: */ - u16 h_filter_coef_7tap[32]; - u16 v_filter_coef_7tap[32]; -}; - -/* Chrominance horizontal algorithm */ -enum resizer_chroma_algo { - RSZ_THE_SAME = 0, /* Chrominance the same as Luminance */ - RSZ_BILINEAR = 1, /* Chrominance uses bilinear interpolation */ -}; - -/* Resizer input type select */ -enum resizer_colors_type { - RSZ_YUV422 = 0, /* YUV422 color is interleaved */ - RSZ_COLOR8 = 1, /* Color separate data on 8 bits */ -}; - -/* - * Structure for horizontal and vertical resizing value - */ -struct resizer_ratio { - u32 horz; - u32 vert; -}; - -/* - * Structure for luminance enhancer parameters. - */ -struct resizer_luma_yenh { - u8 algo; /* algorithm select. */ - u8 gain; /* maximum gain. */ - u8 slope; /* slope. */ - u8 core; /* core offset. */ -}; - -enum resizer_input_entity { - RESIZER_INPUT_NONE, - RESIZER_INPUT_VP, /* input video port - prev or ccdc */ - RESIZER_INPUT_MEMORY, -}; - -/* Sink and source resizer pads */ -#define RESZ_PAD_SINK 0 -#define RESZ_PAD_SOURCE 1 -#define RESZ_PADS_NUM 2 - -/* - * struct isp_res_device - OMAP3 ISP resizer module - * @crop.request: Crop rectangle requested by the user - * @crop.active: Active crop rectangle (based on hardware requirements) - */ -struct isp_res_device { - struct v4l2_subdev subdev; - struct media_pad pads[RESZ_PADS_NUM]; - struct v4l2_mbus_framefmt formats[RESZ_PADS_NUM]; - - enum resizer_input_entity input; - struct isp_video video_in; - struct isp_video video_out; - - u32 addr_base; /* stored source buffer address in memory mode */ - u32 crop_offset; /* additional offset for crop in memory mode */ - struct resizer_ratio ratio; - int pm_state; - unsigned int applycrop:1; - enum isp_pipeline_stream_state state; - wait_queue_head_t wait; - atomic_t stopping; - - struct { - struct v4l2_rect request; - struct v4l2_rect active; - } crop; -}; - -struct isp_device; - -int omap3isp_resizer_init(struct isp_device *isp); -void omap3isp_resizer_cleanup(struct isp_device *isp); - -int omap3isp_resizer_register_entities(struct isp_res_device *res, - struct v4l2_device *vdev); -void omap3isp_resizer_unregister_entities(struct isp_res_device *res); -void omap3isp_resizer_isr_frame_sync(struct isp_res_device *res); -void omap3isp_resizer_isr(struct isp_res_device *isp_res); - -void omap3isp_resizer_max_rate(struct isp_res_device *res, - unsigned int *max_rate); - -void omap3isp_resizer_suspend(struct isp_res_device *isp_res); - -void omap3isp_resizer_resume(struct isp_res_device *isp_res); - -int omap3isp_resizer_busy(struct isp_res_device *isp_res); - -#endif /* OMAP3_ISP_RESIZER_H */ diff --git a/drivers/media/video/omap3isp/ispstat.c b/drivers/media/video/omap3isp/ispstat.c deleted file mode 100644 index b8640be692f1..000000000000 --- a/drivers/media/video/omap3isp/ispstat.c +++ /dev/null @@ -1,1102 +0,0 @@ -/* - * ispstat.c - * - * TI OMAP3 ISP - Statistics core - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc - * - * Contacts: David Cohen <dacohen@gmail.com> - * Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <linux/dma-mapping.h> -#include <linux/slab.h> -#include <linux/uaccess.h> - -#include "isp.h" - -#define IS_COHERENT_BUF(stat) ((stat)->dma_ch >= 0) - -/* - * MAGIC_SIZE must always be the greatest common divisor of - * AEWB_PACKET_SIZE and AF_PAXEL_SIZE. - */ -#define MAGIC_SIZE 16 -#define MAGIC_NUM 0x55 - -/* HACK: AF module seems to be writing one more paxel data than it should. */ -#define AF_EXTRA_DATA OMAP3ISP_AF_PAXEL_SIZE - -/* - * HACK: H3A modules go to an invalid state after have a SBL overflow. It makes - * the next buffer to start to be written in the same point where the overflow - * occurred instead of the configured address. The only known way to make it to - * go back to a valid state is having a valid buffer processing. Of course it - * requires at least a doubled buffer size to avoid an access to invalid memory - * region. But it does not fix everything. It may happen more than one - * consecutive SBL overflows. In that case, it might be unpredictable how many - * buffers the allocated memory should fit. For that case, a recover - * configuration was created. It produces the minimum buffer size for each H3A - * module and decrease the change for more SBL overflows. This recover state - * will be enabled every time a SBL overflow occur. As the output buffer size - * isn't big, it's possible to have an extra size able to fit many recover - * buffers making it extreamily unlikely to have an access to invalid memory - * region. - */ -#define NUM_H3A_RECOVER_BUFS 10 - -/* - * HACK: Because of HW issues the generic layer sometimes need to have - * different behaviour for different statistic modules. - */ -#define IS_H3A_AF(stat) ((stat) == &(stat)->isp->isp_af) -#define IS_H3A_AEWB(stat) ((stat) == &(stat)->isp->isp_aewb) -#define IS_H3A(stat) (IS_H3A_AF(stat) || IS_H3A_AEWB(stat)) - -static void __isp_stat_buf_sync_magic(struct ispstat *stat, - struct ispstat_buffer *buf, - u32 buf_size, enum dma_data_direction dir, - void (*dma_sync)(struct device *, - dma_addr_t, unsigned long, size_t, - enum dma_data_direction)) -{ - struct device *dev = stat->isp->dev; - struct page *pg; - dma_addr_t dma_addr; - u32 offset; - - /* Initial magic words */ - pg = vmalloc_to_page(buf->virt_addr); - dma_addr = pfn_to_dma(dev, page_to_pfn(pg)); - dma_sync(dev, dma_addr, 0, MAGIC_SIZE, dir); - - /* Final magic words */ - pg = vmalloc_to_page(buf->virt_addr + buf_size); - dma_addr = pfn_to_dma(dev, page_to_pfn(pg)); - offset = ((u32)buf->virt_addr + buf_size) & ~PAGE_MASK; - dma_sync(dev, dma_addr, offset, MAGIC_SIZE, dir); -} - -static void isp_stat_buf_sync_magic_for_device(struct ispstat *stat, - struct ispstat_buffer *buf, - u32 buf_size, - enum dma_data_direction dir) -{ - if (IS_COHERENT_BUF(stat)) - return; - - __isp_stat_buf_sync_magic(stat, buf, buf_size, dir, - dma_sync_single_range_for_device); -} - -static void isp_stat_buf_sync_magic_for_cpu(struct ispstat *stat, - struct ispstat_buffer *buf, - u32 buf_size, - enum dma_data_direction dir) -{ - if (IS_COHERENT_BUF(stat)) - return; - - __isp_stat_buf_sync_magic(stat, buf, buf_size, dir, - dma_sync_single_range_for_cpu); -} - -static int isp_stat_buf_check_magic(struct ispstat *stat, - struct ispstat_buffer *buf) -{ - const u32 buf_size = IS_H3A_AF(stat) ? - buf->buf_size + AF_EXTRA_DATA : buf->buf_size; - u8 *w; - u8 *end; - int ret = -EINVAL; - - isp_stat_buf_sync_magic_for_cpu(stat, buf, buf_size, DMA_FROM_DEVICE); - - /* Checking initial magic numbers. They shouldn't be here anymore. */ - for (w = buf->virt_addr, end = w + MAGIC_SIZE; w < end; w++) - if (likely(*w != MAGIC_NUM)) - ret = 0; - - if (ret) { - dev_dbg(stat->isp->dev, "%s: beginning magic check does not " - "match.\n", stat->subdev.name); - return ret; - } - - /* Checking magic numbers at the end. They must be still here. */ - for (w = buf->virt_addr + buf_size, end = w + MAGIC_SIZE; - w < end; w++) { - if (unlikely(*w != MAGIC_NUM)) { - dev_dbg(stat->isp->dev, "%s: endding magic check does " - "not match.\n", stat->subdev.name); - return -EINVAL; - } - } - - isp_stat_buf_sync_magic_for_device(stat, buf, buf_size, - DMA_FROM_DEVICE); - - return 0; -} - -static void isp_stat_buf_insert_magic(struct ispstat *stat, - struct ispstat_buffer *buf) -{ - const u32 buf_size = IS_H3A_AF(stat) ? - stat->buf_size + AF_EXTRA_DATA : stat->buf_size; - - isp_stat_buf_sync_magic_for_cpu(stat, buf, buf_size, DMA_FROM_DEVICE); - - /* - * Inserting MAGIC_NUM at the beginning and end of the buffer. - * buf->buf_size is set only after the buffer is queued. For now the - * right buf_size for the current configuration is pointed by - * stat->buf_size. - */ - memset(buf->virt_addr, MAGIC_NUM, MAGIC_SIZE); - memset(buf->virt_addr + buf_size, MAGIC_NUM, MAGIC_SIZE); - - isp_stat_buf_sync_magic_for_device(stat, buf, buf_size, - DMA_BIDIRECTIONAL); -} - -static void isp_stat_buf_sync_for_device(struct ispstat *stat, - struct ispstat_buffer *buf) -{ - if (IS_COHERENT_BUF(stat)) - return; - - dma_sync_sg_for_device(stat->isp->dev, buf->iovm->sgt->sgl, - buf->iovm->sgt->nents, DMA_FROM_DEVICE); -} - -static void isp_stat_buf_sync_for_cpu(struct ispstat *stat, - struct ispstat_buffer *buf) -{ - if (IS_COHERENT_BUF(stat)) - return; - - dma_sync_sg_for_cpu(stat->isp->dev, buf->iovm->sgt->sgl, - buf->iovm->sgt->nents, DMA_FROM_DEVICE); -} - -static void isp_stat_buf_clear(struct ispstat *stat) -{ - int i; - - for (i = 0; i < STAT_MAX_BUFS; i++) - stat->buf[i].empty = 1; -} - -static struct ispstat_buffer * -__isp_stat_buf_find(struct ispstat *stat, int look_empty) -{ - struct ispstat_buffer *found = NULL; - int i; - - for (i = 0; i < STAT_MAX_BUFS; i++) { - struct ispstat_buffer *curr = &stat->buf[i]; - - /* - * Don't select the buffer which is being copied to - * userspace or used by the module. - */ - if (curr == stat->locked_buf || curr == stat->active_buf) - continue; - - /* Don't select uninitialised buffers if it's not required */ - if (!look_empty && curr->empty) - continue; - - /* Pick uninitialised buffer over anything else if look_empty */ - if (curr->empty) { - found = curr; - break; - } - - /* Choose the oldest buffer */ - if (!found || - (s32)curr->frame_number - (s32)found->frame_number < 0) - found = curr; - } - - return found; -} - -static inline struct ispstat_buffer * -isp_stat_buf_find_oldest(struct ispstat *stat) -{ - return __isp_stat_buf_find(stat, 0); -} - -static inline struct ispstat_buffer * -isp_stat_buf_find_oldest_or_empty(struct ispstat *stat) -{ - return __isp_stat_buf_find(stat, 1); -} - -static int isp_stat_buf_queue(struct ispstat *stat) -{ - if (!stat->active_buf) - return STAT_NO_BUF; - - do_gettimeofday(&stat->active_buf->ts); - - stat->active_buf->buf_size = stat->buf_size; - if (isp_stat_buf_check_magic(stat, stat->active_buf)) { - dev_dbg(stat->isp->dev, "%s: data wasn't properly written.\n", - stat->subdev.name); - return STAT_NO_BUF; - } - stat->active_buf->config_counter = stat->config_counter; - stat->active_buf->frame_number = stat->frame_number; - stat->active_buf->empty = 0; - stat->active_buf = NULL; - - return STAT_BUF_DONE; -} - -/* Get next free buffer to write the statistics to and mark it active. */ -static void isp_stat_buf_next(struct ispstat *stat) -{ - if (unlikely(stat->active_buf)) - /* Overwriting unused active buffer */ - dev_dbg(stat->isp->dev, "%s: new buffer requested without " - "queuing active one.\n", - stat->subdev.name); - else - stat->active_buf = isp_stat_buf_find_oldest_or_empty(stat); -} - -static void isp_stat_buf_release(struct ispstat *stat) -{ - unsigned long flags; - - isp_stat_buf_sync_for_device(stat, stat->locked_buf); - spin_lock_irqsave(&stat->isp->stat_lock, flags); - stat->locked_buf = NULL; - spin_unlock_irqrestore(&stat->isp->stat_lock, flags); -} - -/* Get buffer to userspace. */ -static struct ispstat_buffer *isp_stat_buf_get(struct ispstat *stat, - struct omap3isp_stat_data *data) -{ - int rval = 0; - unsigned long flags; - struct ispstat_buffer *buf; - - spin_lock_irqsave(&stat->isp->stat_lock, flags); - - while (1) { - buf = isp_stat_buf_find_oldest(stat); - if (!buf) { - spin_unlock_irqrestore(&stat->isp->stat_lock, flags); - dev_dbg(stat->isp->dev, "%s: cannot find a buffer.\n", - stat->subdev.name); - return ERR_PTR(-EBUSY); - } - if (isp_stat_buf_check_magic(stat, buf)) { - dev_dbg(stat->isp->dev, "%s: current buffer has " - "corrupted data\n.", stat->subdev.name); - /* Mark empty because it doesn't have valid data. */ - buf->empty = 1; - } else { - /* Buffer isn't corrupted. */ - break; - } - } - - stat->locked_buf = buf; - - spin_unlock_irqrestore(&stat->isp->stat_lock, flags); - - if (buf->buf_size > data->buf_size) { - dev_warn(stat->isp->dev, "%s: userspace's buffer size is " - "not enough.\n", stat->subdev.name); - isp_stat_buf_release(stat); - return ERR_PTR(-EINVAL); - } - - isp_stat_buf_sync_for_cpu(stat, buf); - - rval = copy_to_user(data->buf, - buf->virt_addr, - buf->buf_size); - - if (rval) { - dev_info(stat->isp->dev, - "%s: failed copying %d bytes of stat data\n", - stat->subdev.name, rval); - buf = ERR_PTR(-EFAULT); - isp_stat_buf_release(stat); - } - - return buf; -} - -static void isp_stat_bufs_free(struct ispstat *stat) -{ - struct isp_device *isp = stat->isp; - int i; - - for (i = 0; i < STAT_MAX_BUFS; i++) { - struct ispstat_buffer *buf = &stat->buf[i]; - - if (!IS_COHERENT_BUF(stat)) { - if (IS_ERR_OR_NULL((void *)buf->iommu_addr)) - continue; - if (buf->iovm) - dma_unmap_sg(isp->dev, buf->iovm->sgt->sgl, - buf->iovm->sgt->nents, - DMA_FROM_DEVICE); - omap_iommu_vfree(isp->domain, isp->dev, - buf->iommu_addr); - } else { - if (!buf->virt_addr) - continue; - dma_free_coherent(stat->isp->dev, stat->buf_alloc_size, - buf->virt_addr, buf->dma_addr); - } - buf->iommu_addr = 0; - buf->iovm = NULL; - buf->dma_addr = 0; - buf->virt_addr = NULL; - buf->empty = 1; - } - - dev_dbg(stat->isp->dev, "%s: all buffers were freed.\n", - stat->subdev.name); - - stat->buf_alloc_size = 0; - stat->active_buf = NULL; -} - -static int isp_stat_bufs_alloc_iommu(struct ispstat *stat, unsigned int size) -{ - struct isp_device *isp = stat->isp; - int i; - - stat->buf_alloc_size = size; - - for (i = 0; i < STAT_MAX_BUFS; i++) { - struct ispstat_buffer *buf = &stat->buf[i]; - struct iovm_struct *iovm; - - WARN_ON(buf->dma_addr); - buf->iommu_addr = omap_iommu_vmalloc(isp->domain, isp->dev, 0, - size, IOMMU_FLAG); - if (IS_ERR((void *)buf->iommu_addr)) { - dev_err(stat->isp->dev, - "%s: Can't acquire memory for " - "buffer %d\n", stat->subdev.name, i); - isp_stat_bufs_free(stat); - return -ENOMEM; - } - - iovm = omap_find_iovm_area(isp->dev, buf->iommu_addr); - if (!iovm || - !dma_map_sg(isp->dev, iovm->sgt->sgl, iovm->sgt->nents, - DMA_FROM_DEVICE)) { - isp_stat_bufs_free(stat); - return -ENOMEM; - } - buf->iovm = iovm; - - buf->virt_addr = omap_da_to_va(stat->isp->dev, - (u32)buf->iommu_addr); - buf->empty = 1; - dev_dbg(stat->isp->dev, "%s: buffer[%d] allocated." - "iommu_addr=0x%08lx virt_addr=0x%08lx", - stat->subdev.name, i, buf->iommu_addr, - (unsigned long)buf->virt_addr); - } - - return 0; -} - -static int isp_stat_bufs_alloc_dma(struct ispstat *stat, unsigned int size) -{ - int i; - - stat->buf_alloc_size = size; - - for (i = 0; i < STAT_MAX_BUFS; i++) { - struct ispstat_buffer *buf = &stat->buf[i]; - - WARN_ON(buf->iommu_addr); - buf->virt_addr = dma_alloc_coherent(stat->isp->dev, size, - &buf->dma_addr, GFP_KERNEL | GFP_DMA); - - if (!buf->virt_addr || !buf->dma_addr) { - dev_info(stat->isp->dev, - "%s: Can't acquire memory for " - "DMA buffer %d\n", stat->subdev.name, i); - isp_stat_bufs_free(stat); - return -ENOMEM; - } - buf->empty = 1; - - dev_dbg(stat->isp->dev, "%s: buffer[%d] allocated." - "dma_addr=0x%08lx virt_addr=0x%08lx\n", - stat->subdev.name, i, (unsigned long)buf->dma_addr, - (unsigned long)buf->virt_addr); - } - - return 0; -} - -static int isp_stat_bufs_alloc(struct ispstat *stat, u32 size) -{ - unsigned long flags; - - spin_lock_irqsave(&stat->isp->stat_lock, flags); - - BUG_ON(stat->locked_buf != NULL); - - /* Are the old buffers big enough? */ - if (stat->buf_alloc_size >= size) { - spin_unlock_irqrestore(&stat->isp->stat_lock, flags); - return 0; - } - - if (stat->state != ISPSTAT_DISABLED || stat->buf_processing) { - dev_info(stat->isp->dev, - "%s: trying to allocate memory when busy\n", - stat->subdev.name); - spin_unlock_irqrestore(&stat->isp->stat_lock, flags); - return -EBUSY; - } - - spin_unlock_irqrestore(&stat->isp->stat_lock, flags); - - isp_stat_bufs_free(stat); - - if (IS_COHERENT_BUF(stat)) - return isp_stat_bufs_alloc_dma(stat, size); - else - return isp_stat_bufs_alloc_iommu(stat, size); -} - -static void isp_stat_queue_event(struct ispstat *stat, int err) -{ - struct video_device *vdev = stat->subdev.devnode; - struct v4l2_event event; - struct omap3isp_stat_event_status *status = (void *)event.u.data; - - memset(&event, 0, sizeof(event)); - if (!err) { - status->frame_number = stat->frame_number; - status->config_counter = stat->config_counter; - } else { - status->buf_err = 1; - } - event.type = stat->event_type; - v4l2_event_queue(vdev, &event); -} - - -/* - * omap3isp_stat_request_statistics - Request statistics. - * @data: Pointer to return statistics data. - * - * Returns 0 if successful. - */ -int omap3isp_stat_request_statistics(struct ispstat *stat, - struct omap3isp_stat_data *data) -{ - struct ispstat_buffer *buf; - - if (stat->state != ISPSTAT_ENABLED) { - dev_dbg(stat->isp->dev, "%s: engine not enabled.\n", - stat->subdev.name); - return -EINVAL; - } - - mutex_lock(&stat->ioctl_lock); - buf = isp_stat_buf_get(stat, data); - if (IS_ERR(buf)) { - mutex_unlock(&stat->ioctl_lock); - return PTR_ERR(buf); - } - - data->ts = buf->ts; - data->config_counter = buf->config_counter; - data->frame_number = buf->frame_number; - data->buf_size = buf->buf_size; - - buf->empty = 1; - isp_stat_buf_release(stat); - mutex_unlock(&stat->ioctl_lock); - - return 0; -} - -/* - * omap3isp_stat_config - Receives new statistic engine configuration. - * @new_conf: Pointer to config structure. - * - * Returns 0 if successful, -EINVAL if new_conf pointer is NULL, -ENOMEM if - * was unable to allocate memory for the buffer, or other errors if parameters - * are invalid. - */ -int omap3isp_stat_config(struct ispstat *stat, void *new_conf) -{ - int ret; - unsigned long irqflags; - struct ispstat_generic_config *user_cfg = new_conf; - u32 buf_size = user_cfg->buf_size; - - if (!new_conf) { - dev_dbg(stat->isp->dev, "%s: configuration is NULL\n", - stat->subdev.name); - return -EINVAL; - } - - mutex_lock(&stat->ioctl_lock); - - dev_dbg(stat->isp->dev, "%s: configuring module with buffer " - "size=0x%08lx\n", stat->subdev.name, (unsigned long)buf_size); - - ret = stat->ops->validate_params(stat, new_conf); - if (ret) { - mutex_unlock(&stat->ioctl_lock); - dev_dbg(stat->isp->dev, "%s: configuration values are " - "invalid.\n", stat->subdev.name); - return ret; - } - - if (buf_size != user_cfg->buf_size) - dev_dbg(stat->isp->dev, "%s: driver has corrected buffer size " - "request to 0x%08lx\n", stat->subdev.name, - (unsigned long)user_cfg->buf_size); - - /* - * Hack: H3A modules may need a doubled buffer size to avoid access - * to a invalid memory address after a SBL overflow. - * The buffer size is always PAGE_ALIGNED. - * Hack 2: MAGIC_SIZE is added to buf_size so a magic word can be - * inserted at the end to data integrity check purpose. - * Hack 3: AF module writes one paxel data more than it should, so - * the buffer allocation must consider it to avoid invalid memory - * access. - * Hack 4: H3A need to allocate extra space for the recover state. - */ - if (IS_H3A(stat)) { - buf_size = user_cfg->buf_size * 2 + MAGIC_SIZE; - if (IS_H3A_AF(stat)) - /* - * Adding one extra paxel data size for each recover - * buffer + 2 regular ones. - */ - buf_size += AF_EXTRA_DATA * (NUM_H3A_RECOVER_BUFS + 2); - if (stat->recover_priv) { - struct ispstat_generic_config *recover_cfg = - stat->recover_priv; - buf_size += recover_cfg->buf_size * - NUM_H3A_RECOVER_BUFS; - } - buf_size = PAGE_ALIGN(buf_size); - } else { /* Histogram */ - buf_size = PAGE_ALIGN(user_cfg->buf_size + MAGIC_SIZE); - } - - ret = isp_stat_bufs_alloc(stat, buf_size); - if (ret) { - mutex_unlock(&stat->ioctl_lock); - return ret; - } - - spin_lock_irqsave(&stat->isp->stat_lock, irqflags); - stat->ops->set_params(stat, new_conf); - spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags); - - /* - * Returning the right future config_counter for this setup, so - * userspace can *know* when it has been applied. - */ - user_cfg->config_counter = stat->config_counter + stat->inc_config; - - /* Module has a valid configuration. */ - stat->configured = 1; - dev_dbg(stat->isp->dev, "%s: module has been successfully " - "configured.\n", stat->subdev.name); - - mutex_unlock(&stat->ioctl_lock); - - return 0; -} - -/* - * isp_stat_buf_process - Process statistic buffers. - * @buf_state: points out if buffer is ready to be processed. It's necessary - * because histogram needs to copy the data from internal memory - * before be able to process the buffer. - */ -static int isp_stat_buf_process(struct ispstat *stat, int buf_state) -{ - int ret = STAT_NO_BUF; - - if (!atomic_add_unless(&stat->buf_err, -1, 0) && - buf_state == STAT_BUF_DONE && stat->state == ISPSTAT_ENABLED) { - ret = isp_stat_buf_queue(stat); - isp_stat_buf_next(stat); - } - - return ret; -} - -int omap3isp_stat_pcr_busy(struct ispstat *stat) -{ - return stat->ops->busy(stat); -} - -int omap3isp_stat_busy(struct ispstat *stat) -{ - return omap3isp_stat_pcr_busy(stat) | stat->buf_processing | - (stat->state != ISPSTAT_DISABLED); -} - -/* - * isp_stat_pcr_enable - Disables/Enables statistic engines. - * @pcr_enable: 0/1 - Disables/Enables the engine. - * - * Must be called from ISP driver when the module is idle and synchronized - * with CCDC. - */ -static void isp_stat_pcr_enable(struct ispstat *stat, u8 pcr_enable) -{ - if ((stat->state != ISPSTAT_ENABLING && - stat->state != ISPSTAT_ENABLED) && pcr_enable) - /* Userspace has disabled the module. Aborting. */ - return; - - stat->ops->enable(stat, pcr_enable); - if (stat->state == ISPSTAT_DISABLING && !pcr_enable) - stat->state = ISPSTAT_DISABLED; - else if (stat->state == ISPSTAT_ENABLING && pcr_enable) - stat->state = ISPSTAT_ENABLED; -} - -void omap3isp_stat_suspend(struct ispstat *stat) -{ - unsigned long flags; - - spin_lock_irqsave(&stat->isp->stat_lock, flags); - - if (stat->state != ISPSTAT_DISABLED) - stat->ops->enable(stat, 0); - if (stat->state == ISPSTAT_ENABLED) - stat->state = ISPSTAT_SUSPENDED; - - spin_unlock_irqrestore(&stat->isp->stat_lock, flags); -} - -void omap3isp_stat_resume(struct ispstat *stat) -{ - /* Module will be re-enabled with its pipeline */ - if (stat->state == ISPSTAT_SUSPENDED) - stat->state = ISPSTAT_ENABLING; -} - -static void isp_stat_try_enable(struct ispstat *stat) -{ - unsigned long irqflags; - - if (stat->priv == NULL) - /* driver wasn't initialised */ - return; - - spin_lock_irqsave(&stat->isp->stat_lock, irqflags); - if (stat->state == ISPSTAT_ENABLING && !stat->buf_processing && - stat->buf_alloc_size) { - /* - * Userspace's requested to enable the engine but it wasn't yet. - * Let's do that now. - */ - stat->update = 1; - isp_stat_buf_next(stat); - stat->ops->setup_regs(stat, stat->priv); - isp_stat_buf_insert_magic(stat, stat->active_buf); - - /* - * H3A module has some hw issues which forces the driver to - * ignore next buffers even if it was disabled in the meantime. - * On the other hand, Histogram shouldn't ignore buffers anymore - * if it's being enabled. - */ - if (!IS_H3A(stat)) - atomic_set(&stat->buf_err, 0); - - isp_stat_pcr_enable(stat, 1); - spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags); - dev_dbg(stat->isp->dev, "%s: module is enabled.\n", - stat->subdev.name); - } else { - spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags); - } -} - -void omap3isp_stat_isr_frame_sync(struct ispstat *stat) -{ - isp_stat_try_enable(stat); -} - -void omap3isp_stat_sbl_overflow(struct ispstat *stat) -{ - unsigned long irqflags; - - spin_lock_irqsave(&stat->isp->stat_lock, irqflags); - /* - * Due to a H3A hw issue which prevents the next buffer to start from - * the correct memory address, 2 buffers must be ignored. - */ - atomic_set(&stat->buf_err, 2); - - /* - * If more than one SBL overflow happen in a row, H3A module may access - * invalid memory region. - * stat->sbl_ovl_recover is set to tell to the driver to temporarily use - * a soft configuration which helps to avoid consecutive overflows. - */ - if (stat->recover_priv) - stat->sbl_ovl_recover = 1; - spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags); -} - -/* - * omap3isp_stat_enable - Disable/Enable statistic engine as soon as possible - * @enable: 0/1 - Disables/Enables the engine. - * - * Client should configure all the module registers before this. - * This function can be called from a userspace request. - */ -int omap3isp_stat_enable(struct ispstat *stat, u8 enable) -{ - unsigned long irqflags; - - dev_dbg(stat->isp->dev, "%s: user wants to %s module.\n", - stat->subdev.name, enable ? "enable" : "disable"); - - /* Prevent enabling while configuring */ - mutex_lock(&stat->ioctl_lock); - - spin_lock_irqsave(&stat->isp->stat_lock, irqflags); - - if (!stat->configured && enable) { - spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags); - mutex_unlock(&stat->ioctl_lock); - dev_dbg(stat->isp->dev, "%s: cannot enable module as it's " - "never been successfully configured so far.\n", - stat->subdev.name); - return -EINVAL; - } - - if (enable) { - if (stat->state == ISPSTAT_DISABLING) - /* Previous disabling request wasn't done yet */ - stat->state = ISPSTAT_ENABLED; - else if (stat->state == ISPSTAT_DISABLED) - /* Module is now being enabled */ - stat->state = ISPSTAT_ENABLING; - } else { - if (stat->state == ISPSTAT_ENABLING) { - /* Previous enabling request wasn't done yet */ - stat->state = ISPSTAT_DISABLED; - } else if (stat->state == ISPSTAT_ENABLED) { - /* Module is now being disabled */ - stat->state = ISPSTAT_DISABLING; - isp_stat_buf_clear(stat); - } - } - - spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags); - mutex_unlock(&stat->ioctl_lock); - - return 0; -} - -int omap3isp_stat_s_stream(struct v4l2_subdev *subdev, int enable) -{ - struct ispstat *stat = v4l2_get_subdevdata(subdev); - - if (enable) { - /* - * Only set enable PCR bit if the module was previously - * enabled through ioct. - */ - isp_stat_try_enable(stat); - } else { - unsigned long flags; - /* Disable PCR bit and config enable field */ - omap3isp_stat_enable(stat, 0); - spin_lock_irqsave(&stat->isp->stat_lock, flags); - stat->ops->enable(stat, 0); - spin_unlock_irqrestore(&stat->isp->stat_lock, flags); - - /* - * If module isn't busy, a new interrupt may come or not to - * set the state to DISABLED. As Histogram needs to read its - * internal memory to clear it, let interrupt handler - * responsible of changing state to DISABLED. If the last - * interrupt is coming, it's still safe as the handler will - * ignore the second time when state is already set to DISABLED. - * It's necessary to synchronize Histogram with streamoff, once - * the module may be considered idle before last SDMA transfer - * starts if we return here. - */ - if (!omap3isp_stat_pcr_busy(stat)) - omap3isp_stat_isr(stat); - - dev_dbg(stat->isp->dev, "%s: module is being disabled\n", - stat->subdev.name); - } - - return 0; -} - -/* - * __stat_isr - Interrupt handler for statistic drivers - */ -static void __stat_isr(struct ispstat *stat, int from_dma) -{ - int ret = STAT_BUF_DONE; - int buf_processing; - unsigned long irqflags; - struct isp_pipeline *pipe; - - /* - * stat->buf_processing must be set before disable module. It's - * necessary to not inform too early the buffers aren't busy in case - * of SDMA is going to be used. - */ - spin_lock_irqsave(&stat->isp->stat_lock, irqflags); - if (stat->state == ISPSTAT_DISABLED) { - spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags); - return; - } - buf_processing = stat->buf_processing; - stat->buf_processing = 1; - stat->ops->enable(stat, 0); - - if (buf_processing && !from_dma) { - if (stat->state == ISPSTAT_ENABLED) { - spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags); - dev_err(stat->isp->dev, - "%s: interrupt occurred when module was still " - "processing a buffer.\n", stat->subdev.name); - ret = STAT_NO_BUF; - goto out; - } else { - /* - * Interrupt handler was called from streamoff when - * the module wasn't busy anymore to ensure it is being - * disabled after process last buffer. If such buffer - * processing has already started, no need to do - * anything else. - */ - spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags); - return; - } - } - spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags); - - /* If it's busy we can't process this buffer anymore */ - if (!omap3isp_stat_pcr_busy(stat)) { - if (!from_dma && stat->ops->buf_process) - /* Module still need to copy data to buffer. */ - ret = stat->ops->buf_process(stat); - if (ret == STAT_BUF_WAITING_DMA) - /* Buffer is not ready yet */ - return; - - spin_lock_irqsave(&stat->isp->stat_lock, irqflags); - - /* - * Histogram needs to read its internal memory to clear it - * before be disabled. For that reason, common statistic layer - * can return only after call stat's buf_process() operator. - */ - if (stat->state == ISPSTAT_DISABLING) { - stat->state = ISPSTAT_DISABLED; - spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags); - stat->buf_processing = 0; - return; - } - pipe = to_isp_pipeline(&stat->subdev.entity); - stat->frame_number = atomic_read(&pipe->frame_number); - - /* - * Before this point, 'ret' stores the buffer's status if it's - * ready to be processed. Afterwards, it holds the status if - * it was processed successfully. - */ - ret = isp_stat_buf_process(stat, ret); - - if (likely(!stat->sbl_ovl_recover)) { - stat->ops->setup_regs(stat, stat->priv); - } else { - /* - * Using recover config to increase the chance to have - * a good buffer processing and make the H3A module to - * go back to a valid state. - */ - stat->update = 1; - stat->ops->setup_regs(stat, stat->recover_priv); - stat->sbl_ovl_recover = 0; - - /* - * Set 'update' in case of the module needs to use - * regular configuration after next buffer. - */ - stat->update = 1; - } - - isp_stat_buf_insert_magic(stat, stat->active_buf); - - /* - * Hack: H3A modules may access invalid memory address or send - * corrupted data to userspace if more than 1 SBL overflow - * happens in a row without re-writing its buffer's start memory - * address in the meantime. Such situation is avoided if the - * module is not immediately re-enabled when the ISR misses the - * timing to process the buffer and to setup the registers. - * Because of that, pcr_enable(1) was moved to inside this 'if' - * block. But the next interruption will still happen as during - * pcr_enable(0) the module was busy. - */ - isp_stat_pcr_enable(stat, 1); - spin_unlock_irqrestore(&stat->isp->stat_lock, irqflags); - } else { - /* - * If a SBL overflow occurs and the H3A driver misses the timing - * to process the buffer, stat->buf_err is set and won't be - * cleared now. So the next buffer will be correctly ignored. - * It's necessary due to a hw issue which makes the next H3A - * buffer to start from the memory address where the previous - * one stopped, instead of start where it was configured to. - * Do not "stat->buf_err = 0" here. - */ - - if (stat->ops->buf_process) - /* - * Driver may need to erase current data prior to - * process a new buffer. If it misses the timing, the - * next buffer might be wrong. So should be ignored. - * It happens only for Histogram. - */ - atomic_set(&stat->buf_err, 1); - - ret = STAT_NO_BUF; - dev_dbg(stat->isp->dev, "%s: cannot process buffer, " - "device is busy.\n", stat->subdev.name); - } - -out: - stat->buf_processing = 0; - isp_stat_queue_event(stat, ret != STAT_BUF_DONE); -} - -void omap3isp_stat_isr(struct ispstat *stat) -{ - __stat_isr(stat, 0); -} - -void omap3isp_stat_dma_isr(struct ispstat *stat) -{ - __stat_isr(stat, 1); -} - -int omap3isp_stat_subscribe_event(struct v4l2_subdev *subdev, - struct v4l2_fh *fh, - struct v4l2_event_subscription *sub) -{ - struct ispstat *stat = v4l2_get_subdevdata(subdev); - - if (sub->type != stat->event_type) - return -EINVAL; - - return v4l2_event_subscribe(fh, sub, STAT_NEVENTS, NULL); -} - -int omap3isp_stat_unsubscribe_event(struct v4l2_subdev *subdev, - struct v4l2_fh *fh, - struct v4l2_event_subscription *sub) -{ - return v4l2_event_unsubscribe(fh, sub); -} - -void omap3isp_stat_unregister_entities(struct ispstat *stat) -{ - v4l2_device_unregister_subdev(&stat->subdev); -} - -int omap3isp_stat_register_entities(struct ispstat *stat, - struct v4l2_device *vdev) -{ - return v4l2_device_register_subdev(vdev, &stat->subdev); -} - -static int isp_stat_init_entities(struct ispstat *stat, const char *name, - const struct v4l2_subdev_ops *sd_ops) -{ - struct v4l2_subdev *subdev = &stat->subdev; - struct media_entity *me = &subdev->entity; - - v4l2_subdev_init(subdev, sd_ops); - snprintf(subdev->name, V4L2_SUBDEV_NAME_SIZE, "OMAP3 ISP %s", name); - subdev->grp_id = 1 << 16; /* group ID for isp subdevs */ - subdev->flags |= V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_HAS_DEVNODE; - v4l2_set_subdevdata(subdev, stat); - - stat->pad.flags = MEDIA_PAD_FL_SINK; - me->ops = NULL; - - return media_entity_init(me, 1, &stat->pad, 0); -} - -int omap3isp_stat_init(struct ispstat *stat, const char *name, - const struct v4l2_subdev_ops *sd_ops) -{ - int ret; - - stat->buf = kcalloc(STAT_MAX_BUFS, sizeof(*stat->buf), GFP_KERNEL); - if (!stat->buf) - return -ENOMEM; - - isp_stat_buf_clear(stat); - mutex_init(&stat->ioctl_lock); - atomic_set(&stat->buf_err, 0); - - ret = isp_stat_init_entities(stat, name, sd_ops); - if (ret < 0) { - mutex_destroy(&stat->ioctl_lock); - kfree(stat->buf); - } - - return ret; -} - -void omap3isp_stat_cleanup(struct ispstat *stat) -{ - media_entity_cleanup(&stat->subdev.entity); - mutex_destroy(&stat->ioctl_lock); - isp_stat_bufs_free(stat); - kfree(stat->buf); -} diff --git a/drivers/media/video/omap3isp/ispstat.h b/drivers/media/video/omap3isp/ispstat.h deleted file mode 100644 index 9b7c8654dc8a..000000000000 --- a/drivers/media/video/omap3isp/ispstat.h +++ /dev/null @@ -1,169 +0,0 @@ -/* - * ispstat.h - * - * TI OMAP3 ISP - Statistics core - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc - * - * Contacts: David Cohen <dacohen@gmail.com> - * Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef OMAP3_ISP_STAT_H -#define OMAP3_ISP_STAT_H - -#include <linux/types.h> -#include <linux/omap3isp.h> -#include <plat/dma.h> -#include <media/v4l2-event.h> - -#include "isp.h" -#include "ispvideo.h" - -#define STAT_MAX_BUFS 5 -#define STAT_NEVENTS 8 - -#define STAT_BUF_DONE 0 /* Buffer is ready */ -#define STAT_NO_BUF 1 /* An error has occurred */ -#define STAT_BUF_WAITING_DMA 2 /* Histogram only: DMA is running */ - -struct ispstat; - -struct ispstat_buffer { - unsigned long iommu_addr; - struct iovm_struct *iovm; - void *virt_addr; - dma_addr_t dma_addr; - struct timeval ts; - u32 buf_size; - u32 frame_number; - u16 config_counter; - u8 empty; -}; - -struct ispstat_ops { - /* - * Validate new params configuration. - * new_conf->buf_size value must be changed to the exact buffer size - * necessary for the new configuration if it's smaller. - */ - int (*validate_params)(struct ispstat *stat, void *new_conf); - - /* - * Save new params configuration. - * stat->priv->buf_size value must be set to the exact buffer size for - * the new configuration. - * stat->update is set to 1 if new configuration is different than - * current one. - */ - void (*set_params)(struct ispstat *stat, void *new_conf); - - /* Apply stored configuration. */ - void (*setup_regs)(struct ispstat *stat, void *priv); - - /* Enable/Disable module. */ - void (*enable)(struct ispstat *stat, int enable); - - /* Verify is module is busy. */ - int (*busy)(struct ispstat *stat); - - /* Used for specific operations during generic buf process task. */ - int (*buf_process)(struct ispstat *stat); -}; - -enum ispstat_state_t { - ISPSTAT_DISABLED = 0, - ISPSTAT_DISABLING, - ISPSTAT_ENABLED, - ISPSTAT_ENABLING, - ISPSTAT_SUSPENDED, -}; - -struct ispstat { - struct v4l2_subdev subdev; - struct media_pad pad; /* sink pad */ - - /* Control */ - unsigned configured:1; - unsigned update:1; - unsigned buf_processing:1; - unsigned sbl_ovl_recover:1; - u8 inc_config; - atomic_t buf_err; - enum ispstat_state_t state; /* enabling/disabling state */ - struct omap_dma_channel_params dma_config; - struct isp_device *isp; - void *priv; /* pointer to priv config struct */ - void *recover_priv; /* pointer to recover priv configuration */ - struct mutex ioctl_lock; /* serialize private ioctl */ - - const struct ispstat_ops *ops; - - /* Buffer */ - u8 wait_acc_frames; - u16 config_counter; - u32 frame_number; - u32 buf_size; - u32 buf_alloc_size; - int dma_ch; - unsigned long event_type; - struct ispstat_buffer *buf; - struct ispstat_buffer *active_buf; - struct ispstat_buffer *locked_buf; -}; - -struct ispstat_generic_config { - /* - * Fields must be in the same order as in: - * - omap3isp_h3a_aewb_config - * - omap3isp_h3a_af_config - * - omap3isp_hist_config - */ - u32 buf_size; - u16 config_counter; -}; - -int omap3isp_stat_config(struct ispstat *stat, void *new_conf); -int omap3isp_stat_request_statistics(struct ispstat *stat, - struct omap3isp_stat_data *data); -int omap3isp_stat_init(struct ispstat *stat, const char *name, - const struct v4l2_subdev_ops *sd_ops); -void omap3isp_stat_cleanup(struct ispstat *stat); -int omap3isp_stat_subscribe_event(struct v4l2_subdev *subdev, - struct v4l2_fh *fh, - struct v4l2_event_subscription *sub); -int omap3isp_stat_unsubscribe_event(struct v4l2_subdev *subdev, - struct v4l2_fh *fh, - struct v4l2_event_subscription *sub); -int omap3isp_stat_s_stream(struct v4l2_subdev *subdev, int enable); - -int omap3isp_stat_busy(struct ispstat *stat); -int omap3isp_stat_pcr_busy(struct ispstat *stat); -void omap3isp_stat_suspend(struct ispstat *stat); -void omap3isp_stat_resume(struct ispstat *stat); -int omap3isp_stat_enable(struct ispstat *stat, u8 enable); -void omap3isp_stat_sbl_overflow(struct ispstat *stat); -void omap3isp_stat_isr(struct ispstat *stat); -void omap3isp_stat_isr_frame_sync(struct ispstat *stat); -void omap3isp_stat_dma_isr(struct ispstat *stat); -int omap3isp_stat_register_entities(struct ispstat *stat, - struct v4l2_device *vdev); -void omap3isp_stat_unregister_entities(struct ispstat *stat); - -#endif /* OMAP3_ISP_STAT_H */ diff --git a/drivers/media/video/omap3isp/ispvideo.c b/drivers/media/video/omap3isp/ispvideo.c deleted file mode 100644 index 3a5085e90024..000000000000 --- a/drivers/media/video/omap3isp/ispvideo.c +++ /dev/null @@ -1,1403 +0,0 @@ -/* - * ispvideo.c - * - * TI OMAP3 ISP - Generic video node - * - * Copyright (C) 2009-2010 Nokia Corporation - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <asm/cacheflush.h> -#include <linux/clk.h> -#include <linux/mm.h> -#include <linux/module.h> -#include <linux/pagemap.h> -#include <linux/scatterlist.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> -#include <media/v4l2-dev.h> -#include <media/v4l2-ioctl.h> -#include <plat/iommu.h> -#include <plat/iovmm.h> -#include <plat/omap-pm.h> - -#include "ispvideo.h" -#include "isp.h" - - -/* ----------------------------------------------------------------------------- - * Helper functions - */ - -/* - * NOTE: When adding new media bus codes, always remember to add - * corresponding in-memory formats to the table below!!! - */ -static struct isp_format_info formats[] = { - { V4L2_MBUS_FMT_Y8_1X8, V4L2_MBUS_FMT_Y8_1X8, - V4L2_MBUS_FMT_Y8_1X8, V4L2_MBUS_FMT_Y8_1X8, - V4L2_PIX_FMT_GREY, 8, 1, }, - { V4L2_MBUS_FMT_Y10_1X10, V4L2_MBUS_FMT_Y10_1X10, - V4L2_MBUS_FMT_Y10_1X10, V4L2_MBUS_FMT_Y8_1X8, - V4L2_PIX_FMT_Y10, 10, 2, }, - { V4L2_MBUS_FMT_Y12_1X12, V4L2_MBUS_FMT_Y10_1X10, - V4L2_MBUS_FMT_Y12_1X12, V4L2_MBUS_FMT_Y8_1X8, - V4L2_PIX_FMT_Y12, 12, 2, }, - { V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_MBUS_FMT_SBGGR8_1X8, - V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_MBUS_FMT_SBGGR8_1X8, - V4L2_PIX_FMT_SBGGR8, 8, 1, }, - { V4L2_MBUS_FMT_SGBRG8_1X8, V4L2_MBUS_FMT_SGBRG8_1X8, - V4L2_MBUS_FMT_SGBRG8_1X8, V4L2_MBUS_FMT_SGBRG8_1X8, - V4L2_PIX_FMT_SGBRG8, 8, 1, }, - { V4L2_MBUS_FMT_SGRBG8_1X8, V4L2_MBUS_FMT_SGRBG8_1X8, - V4L2_MBUS_FMT_SGRBG8_1X8, V4L2_MBUS_FMT_SGRBG8_1X8, - V4L2_PIX_FMT_SGRBG8, 8, 1, }, - { V4L2_MBUS_FMT_SRGGB8_1X8, V4L2_MBUS_FMT_SRGGB8_1X8, - V4L2_MBUS_FMT_SRGGB8_1X8, V4L2_MBUS_FMT_SRGGB8_1X8, - V4L2_PIX_FMT_SRGGB8, 8, 1, }, - { V4L2_MBUS_FMT_SBGGR10_DPCM8_1X8, V4L2_MBUS_FMT_SBGGR10_DPCM8_1X8, - V4L2_MBUS_FMT_SBGGR10_1X10, 0, - V4L2_PIX_FMT_SBGGR10DPCM8, 8, 1, }, - { V4L2_MBUS_FMT_SGBRG10_DPCM8_1X8, V4L2_MBUS_FMT_SGBRG10_DPCM8_1X8, - V4L2_MBUS_FMT_SGBRG10_1X10, 0, - V4L2_PIX_FMT_SGBRG10DPCM8, 8, 1, }, - { V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8, V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8, - V4L2_MBUS_FMT_SGRBG10_1X10, 0, - V4L2_PIX_FMT_SGRBG10DPCM8, 8, 1, }, - { V4L2_MBUS_FMT_SRGGB10_DPCM8_1X8, V4L2_MBUS_FMT_SRGGB10_DPCM8_1X8, - V4L2_MBUS_FMT_SRGGB10_1X10, 0, - V4L2_PIX_FMT_SRGGB10DPCM8, 8, 1, }, - { V4L2_MBUS_FMT_SBGGR10_1X10, V4L2_MBUS_FMT_SBGGR10_1X10, - V4L2_MBUS_FMT_SBGGR10_1X10, V4L2_MBUS_FMT_SBGGR8_1X8, - V4L2_PIX_FMT_SBGGR10, 10, 2, }, - { V4L2_MBUS_FMT_SGBRG10_1X10, V4L2_MBUS_FMT_SGBRG10_1X10, - V4L2_MBUS_FMT_SGBRG10_1X10, V4L2_MBUS_FMT_SGBRG8_1X8, - V4L2_PIX_FMT_SGBRG10, 10, 2, }, - { V4L2_MBUS_FMT_SGRBG10_1X10, V4L2_MBUS_FMT_SGRBG10_1X10, - V4L2_MBUS_FMT_SGRBG10_1X10, V4L2_MBUS_FMT_SGRBG8_1X8, - V4L2_PIX_FMT_SGRBG10, 10, 2, }, - { V4L2_MBUS_FMT_SRGGB10_1X10, V4L2_MBUS_FMT_SRGGB10_1X10, - V4L2_MBUS_FMT_SRGGB10_1X10, V4L2_MBUS_FMT_SRGGB8_1X8, - V4L2_PIX_FMT_SRGGB10, 10, 2, }, - { V4L2_MBUS_FMT_SBGGR12_1X12, V4L2_MBUS_FMT_SBGGR10_1X10, - V4L2_MBUS_FMT_SBGGR12_1X12, V4L2_MBUS_FMT_SBGGR8_1X8, - V4L2_PIX_FMT_SBGGR12, 12, 2, }, - { V4L2_MBUS_FMT_SGBRG12_1X12, V4L2_MBUS_FMT_SGBRG10_1X10, - V4L2_MBUS_FMT_SGBRG12_1X12, V4L2_MBUS_FMT_SGBRG8_1X8, - V4L2_PIX_FMT_SGBRG12, 12, 2, }, - { V4L2_MBUS_FMT_SGRBG12_1X12, V4L2_MBUS_FMT_SGRBG10_1X10, - V4L2_MBUS_FMT_SGRBG12_1X12, V4L2_MBUS_FMT_SGRBG8_1X8, - V4L2_PIX_FMT_SGRBG12, 12, 2, }, - { V4L2_MBUS_FMT_SRGGB12_1X12, V4L2_MBUS_FMT_SRGGB10_1X10, - V4L2_MBUS_FMT_SRGGB12_1X12, V4L2_MBUS_FMT_SRGGB8_1X8, - V4L2_PIX_FMT_SRGGB12, 12, 2, }, - { V4L2_MBUS_FMT_UYVY8_1X16, V4L2_MBUS_FMT_UYVY8_1X16, - V4L2_MBUS_FMT_UYVY8_1X16, 0, - V4L2_PIX_FMT_UYVY, 16, 2, }, - { V4L2_MBUS_FMT_YUYV8_1X16, V4L2_MBUS_FMT_YUYV8_1X16, - V4L2_MBUS_FMT_YUYV8_1X16, 0, - V4L2_PIX_FMT_YUYV, 16, 2, }, - { V4L2_MBUS_FMT_UYVY8_2X8, V4L2_MBUS_FMT_UYVY8_2X8, - V4L2_MBUS_FMT_UYVY8_2X8, 0, - V4L2_PIX_FMT_UYVY, 8, 2, }, - { V4L2_MBUS_FMT_YUYV8_2X8, V4L2_MBUS_FMT_YUYV8_2X8, - V4L2_MBUS_FMT_YUYV8_2X8, 0, - V4L2_PIX_FMT_YUYV, 8, 2, }, - /* Empty entry to catch the unsupported pixel code (0) used by the CCDC - * module and avoid NULL pointer dereferences. - */ - { 0, } -}; - -const struct isp_format_info * -omap3isp_video_format_info(enum v4l2_mbus_pixelcode code) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(formats); ++i) { - if (formats[i].code == code) - return &formats[i]; - } - - return NULL; -} - -/* - * isp_video_mbus_to_pix - Convert v4l2_mbus_framefmt to v4l2_pix_format - * @video: ISP video instance - * @mbus: v4l2_mbus_framefmt format (input) - * @pix: v4l2_pix_format format (output) - * - * Fill the output pix structure with information from the input mbus format. - * The bytesperline and sizeimage fields are computed from the requested bytes - * per line value in the pix format and information from the video instance. - * - * Return the number of padding bytes at end of line. - */ -static unsigned int isp_video_mbus_to_pix(const struct isp_video *video, - const struct v4l2_mbus_framefmt *mbus, - struct v4l2_pix_format *pix) -{ - unsigned int bpl = pix->bytesperline; - unsigned int min_bpl; - unsigned int i; - - memset(pix, 0, sizeof(*pix)); - pix->width = mbus->width; - pix->height = mbus->height; - - for (i = 0; i < ARRAY_SIZE(formats); ++i) { - if (formats[i].code == mbus->code) - break; - } - - if (WARN_ON(i == ARRAY_SIZE(formats))) - return 0; - - min_bpl = pix->width * formats[i].bpp; - - /* Clamp the requested bytes per line value. If the maximum bytes per - * line value is zero, the module doesn't support user configurable line - * sizes. Override the requested value with the minimum in that case. - */ - if (video->bpl_max) - bpl = clamp(bpl, min_bpl, video->bpl_max); - else - bpl = min_bpl; - - if (!video->bpl_zero_padding || bpl != min_bpl) - bpl = ALIGN(bpl, video->bpl_alignment); - - pix->pixelformat = formats[i].pixelformat; - pix->bytesperline = bpl; - pix->sizeimage = pix->bytesperline * pix->height; - pix->colorspace = mbus->colorspace; - pix->field = mbus->field; - - return bpl - min_bpl; -} - -static void isp_video_pix_to_mbus(const struct v4l2_pix_format *pix, - struct v4l2_mbus_framefmt *mbus) -{ - unsigned int i; - - memset(mbus, 0, sizeof(*mbus)); - mbus->width = pix->width; - mbus->height = pix->height; - - /* Skip the last format in the loop so that it will be selected if no - * match is found. - */ - for (i = 0; i < ARRAY_SIZE(formats) - 1; ++i) { - if (formats[i].pixelformat == pix->pixelformat) - break; - } - - mbus->code = formats[i].code; - mbus->colorspace = pix->colorspace; - mbus->field = pix->field; -} - -static struct v4l2_subdev * -isp_video_remote_subdev(struct isp_video *video, u32 *pad) -{ - struct media_pad *remote; - - remote = media_entity_remote_source(&video->pad); - - if (remote == NULL || - media_entity_type(remote->entity) != MEDIA_ENT_T_V4L2_SUBDEV) - return NULL; - - if (pad) - *pad = remote->index; - - return media_entity_to_v4l2_subdev(remote->entity); -} - -/* Return a pointer to the ISP video instance at the far end of the pipeline. */ -static int isp_video_get_graph_data(struct isp_video *video, - struct isp_pipeline *pipe) -{ - struct media_entity_graph graph; - struct media_entity *entity = &video->video.entity; - struct media_device *mdev = entity->parent; - struct isp_video *far_end = NULL; - - mutex_lock(&mdev->graph_mutex); - media_entity_graph_walk_start(&graph, entity); - - while ((entity = media_entity_graph_walk_next(&graph))) { - struct isp_video *__video; - - pipe->entities |= 1 << entity->id; - - if (far_end != NULL) - continue; - - if (entity == &video->video.entity) - continue; - - if (media_entity_type(entity) != MEDIA_ENT_T_DEVNODE) - continue; - - __video = to_isp_video(media_entity_to_video_device(entity)); - if (__video->type != video->type) - far_end = __video; - } - - mutex_unlock(&mdev->graph_mutex); - - if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { - pipe->input = far_end; - pipe->output = video; - } else { - if (far_end == NULL) - return -EPIPE; - - pipe->input = video; - pipe->output = far_end; - } - - return 0; -} - -/* - * Validate a pipeline by checking both ends of all links for format - * discrepancies. - * - * Compute the minimum time per frame value as the maximum of time per frame - * limits reported by every block in the pipeline. - * - * Return 0 if all formats match, or -EPIPE if at least one link is found with - * different formats on its two ends or if the pipeline doesn't start with a - * video source (either a subdev with no input pad, or a non-subdev entity). - */ -static int isp_video_validate_pipeline(struct isp_pipeline *pipe) -{ - struct isp_device *isp = pipe->output->isp; - struct media_pad *pad; - struct v4l2_subdev *subdev; - - subdev = isp_video_remote_subdev(pipe->output, NULL); - if (subdev == NULL) - return -EPIPE; - - while (1) { - /* Retrieve the sink format */ - pad = &subdev->entity.pads[0]; - if (!(pad->flags & MEDIA_PAD_FL_SINK)) - break; - - /* Update the maximum frame rate */ - if (subdev == &isp->isp_res.subdev) - omap3isp_resizer_max_rate(&isp->isp_res, - &pipe->max_rate); - - /* Retrieve the source format. Return an error if no source - * entity can be found, and stop checking the pipeline if the - * source entity isn't a subdev. - */ - pad = media_entity_remote_source(pad); - if (pad == NULL) - return -EPIPE; - - if (media_entity_type(pad->entity) != MEDIA_ENT_T_V4L2_SUBDEV) - break; - - subdev = media_entity_to_v4l2_subdev(pad->entity); - } - - return 0; -} - -static int -__isp_video_get_format(struct isp_video *video, struct v4l2_format *format) -{ - struct v4l2_subdev_format fmt; - struct v4l2_subdev *subdev; - u32 pad; - int ret; - - subdev = isp_video_remote_subdev(video, &pad); - if (subdev == NULL) - return -EINVAL; - - mutex_lock(&video->mutex); - - fmt.pad = pad; - fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; - ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt); - if (ret == -ENOIOCTLCMD) - ret = -EINVAL; - - mutex_unlock(&video->mutex); - - if (ret) - return ret; - - format->type = video->type; - return isp_video_mbus_to_pix(video, &fmt.format, &format->fmt.pix); -} - -static int -isp_video_check_format(struct isp_video *video, struct isp_video_fh *vfh) -{ - struct v4l2_format format; - int ret; - - memcpy(&format, &vfh->format, sizeof(format)); - ret = __isp_video_get_format(video, &format); - if (ret < 0) - return ret; - - if (vfh->format.fmt.pix.pixelformat != format.fmt.pix.pixelformat || - vfh->format.fmt.pix.height != format.fmt.pix.height || - vfh->format.fmt.pix.width != format.fmt.pix.width || - vfh->format.fmt.pix.bytesperline != format.fmt.pix.bytesperline || - vfh->format.fmt.pix.sizeimage != format.fmt.pix.sizeimage) - return -EINVAL; - - return ret; -} - -/* ----------------------------------------------------------------------------- - * IOMMU management - */ - -#define IOMMU_FLAG (IOVMF_ENDIAN_LITTLE | IOVMF_ELSZ_8) - -/* - * ispmmu_vmap - Wrapper for Virtual memory mapping of a scatter gather list - * @dev: Device pointer specific to the OMAP3 ISP. - * @sglist: Pointer to source Scatter gather list to allocate. - * @sglen: Number of elements of the scatter-gatter list. - * - * Returns a resulting mapped device address by the ISP MMU, or -ENOMEM if - * we ran out of memory. - */ -static dma_addr_t -ispmmu_vmap(struct isp_device *isp, const struct scatterlist *sglist, int sglen) -{ - struct sg_table *sgt; - u32 da; - - sgt = kmalloc(sizeof(*sgt), GFP_KERNEL); - if (sgt == NULL) - return -ENOMEM; - - sgt->sgl = (struct scatterlist *)sglist; - sgt->nents = sglen; - sgt->orig_nents = sglen; - - da = omap_iommu_vmap(isp->domain, isp->dev, 0, sgt, IOMMU_FLAG); - if (IS_ERR_VALUE(da)) - kfree(sgt); - - return da; -} - -/* - * ispmmu_vunmap - Unmap a device address from the ISP MMU - * @dev: Device pointer specific to the OMAP3 ISP. - * @da: Device address generated from a ispmmu_vmap call. - */ -static void ispmmu_vunmap(struct isp_device *isp, dma_addr_t da) -{ - struct sg_table *sgt; - - sgt = omap_iommu_vunmap(isp->domain, isp->dev, (u32)da); - kfree(sgt); -} - -/* ----------------------------------------------------------------------------- - * Video queue operations - */ - -static void isp_video_queue_prepare(struct isp_video_queue *queue, - unsigned int *nbuffers, unsigned int *size) -{ - struct isp_video_fh *vfh = - container_of(queue, struct isp_video_fh, queue); - struct isp_video *video = vfh->video; - - *size = vfh->format.fmt.pix.sizeimage; - if (*size == 0) - return; - - *nbuffers = min(*nbuffers, video->capture_mem / PAGE_ALIGN(*size)); -} - -static void isp_video_buffer_cleanup(struct isp_video_buffer *buf) -{ - struct isp_video_fh *vfh = isp_video_queue_to_isp_video_fh(buf->queue); - struct isp_buffer *buffer = to_isp_buffer(buf); - struct isp_video *video = vfh->video; - - if (buffer->isp_addr) { - ispmmu_vunmap(video->isp, buffer->isp_addr); - buffer->isp_addr = 0; - } -} - -static int isp_video_buffer_prepare(struct isp_video_buffer *buf) -{ - struct isp_video_fh *vfh = isp_video_queue_to_isp_video_fh(buf->queue); - struct isp_buffer *buffer = to_isp_buffer(buf); - struct isp_video *video = vfh->video; - unsigned long addr; - - addr = ispmmu_vmap(video->isp, buf->sglist, buf->sglen); - if (IS_ERR_VALUE(addr)) - return -EIO; - - if (!IS_ALIGNED(addr, 32)) { - dev_dbg(video->isp->dev, "Buffer address must be " - "aligned to 32 bytes boundary.\n"); - ispmmu_vunmap(video->isp, buffer->isp_addr); - return -EINVAL; - } - - buf->vbuf.bytesused = vfh->format.fmt.pix.sizeimage; - buffer->isp_addr = addr; - return 0; -} - -/* - * isp_video_buffer_queue - Add buffer to streaming queue - * @buf: Video buffer - * - * In memory-to-memory mode, start streaming on the pipeline if buffers are - * queued on both the input and the output, if the pipeline isn't already busy. - * If the pipeline is busy, it will be restarted in the output module interrupt - * handler. - */ -static void isp_video_buffer_queue(struct isp_video_buffer *buf) -{ - struct isp_video_fh *vfh = isp_video_queue_to_isp_video_fh(buf->queue); - struct isp_buffer *buffer = to_isp_buffer(buf); - struct isp_video *video = vfh->video; - struct isp_pipeline *pipe = to_isp_pipeline(&video->video.entity); - enum isp_pipeline_state state; - unsigned long flags; - unsigned int empty; - unsigned int start; - - empty = list_empty(&video->dmaqueue); - list_add_tail(&buffer->buffer.irqlist, &video->dmaqueue); - - if (empty) { - if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - state = ISP_PIPELINE_QUEUE_OUTPUT; - else - state = ISP_PIPELINE_QUEUE_INPUT; - - spin_lock_irqsave(&pipe->lock, flags); - pipe->state |= state; - video->ops->queue(video, buffer); - video->dmaqueue_flags |= ISP_VIDEO_DMAQUEUE_QUEUED; - - start = isp_pipeline_ready(pipe); - if (start) - pipe->state |= ISP_PIPELINE_STREAM; - spin_unlock_irqrestore(&pipe->lock, flags); - - if (start) - omap3isp_pipeline_set_stream(pipe, - ISP_PIPELINE_STREAM_SINGLESHOT); - } -} - -static const struct isp_video_queue_operations isp_video_queue_ops = { - .queue_prepare = &isp_video_queue_prepare, - .buffer_prepare = &isp_video_buffer_prepare, - .buffer_queue = &isp_video_buffer_queue, - .buffer_cleanup = &isp_video_buffer_cleanup, -}; - -/* - * omap3isp_video_buffer_next - Complete the current buffer and return the next - * @video: ISP video object - * - * Remove the current video buffer from the DMA queue and fill its timestamp, - * field count and state fields before waking up its completion handler. - * - * For capture video nodes the buffer state is set to ISP_BUF_STATE_DONE if no - * error has been flagged in the pipeline, or to ISP_BUF_STATE_ERROR otherwise. - * For video output nodes the buffer state is always set to ISP_BUF_STATE_DONE. - * - * The DMA queue is expected to contain at least one buffer. - * - * Return a pointer to the next buffer in the DMA queue, or NULL if the queue is - * empty. - */ -struct isp_buffer *omap3isp_video_buffer_next(struct isp_video *video) -{ - struct isp_pipeline *pipe = to_isp_pipeline(&video->video.entity); - struct isp_video_queue *queue = video->queue; - enum isp_pipeline_state state; - struct isp_video_buffer *buf; - unsigned long flags; - struct timespec ts; - - spin_lock_irqsave(&queue->irqlock, flags); - if (WARN_ON(list_empty(&video->dmaqueue))) { - spin_unlock_irqrestore(&queue->irqlock, flags); - return NULL; - } - - buf = list_first_entry(&video->dmaqueue, struct isp_video_buffer, - irqlist); - list_del(&buf->irqlist); - spin_unlock_irqrestore(&queue->irqlock, flags); - - ktime_get_ts(&ts); - buf->vbuf.timestamp.tv_sec = ts.tv_sec; - buf->vbuf.timestamp.tv_usec = ts.tv_nsec / NSEC_PER_USEC; - - /* Do frame number propagation only if this is the output video node. - * Frame number either comes from the CSI receivers or it gets - * incremented here if H3A is not active. - * Note: There is no guarantee that the output buffer will finish - * first, so the input number might lag behind by 1 in some cases. - */ - if (video == pipe->output && !pipe->do_propagation) - buf->vbuf.sequence = atomic_inc_return(&pipe->frame_number); - else - buf->vbuf.sequence = atomic_read(&pipe->frame_number); - - /* Report pipeline errors to userspace on the capture device side. */ - if (queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && pipe->error) { - buf->state = ISP_BUF_STATE_ERROR; - pipe->error = false; - } else { - buf->state = ISP_BUF_STATE_DONE; - } - - wake_up(&buf->wait); - - if (list_empty(&video->dmaqueue)) { - if (queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - state = ISP_PIPELINE_QUEUE_OUTPUT - | ISP_PIPELINE_STREAM; - else - state = ISP_PIPELINE_QUEUE_INPUT - | ISP_PIPELINE_STREAM; - - spin_lock_irqsave(&pipe->lock, flags); - pipe->state &= ~state; - if (video->pipe.stream_state == ISP_PIPELINE_STREAM_CONTINUOUS) - video->dmaqueue_flags |= ISP_VIDEO_DMAQUEUE_UNDERRUN; - spin_unlock_irqrestore(&pipe->lock, flags); - return NULL; - } - - if (queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && pipe->input != NULL) { - spin_lock_irqsave(&pipe->lock, flags); - pipe->state &= ~ISP_PIPELINE_STREAM; - spin_unlock_irqrestore(&pipe->lock, flags); - } - - buf = list_first_entry(&video->dmaqueue, struct isp_video_buffer, - irqlist); - buf->state = ISP_BUF_STATE_ACTIVE; - return to_isp_buffer(buf); -} - -/* - * omap3isp_video_resume - Perform resume operation on the buffers - * @video: ISP video object - * @continuous: Pipeline is in single shot mode if 0 or continuous mode otherwise - * - * This function is intended to be used on suspend/resume scenario. It - * requests video queue layer to discard buffers marked as DONE if it's in - * continuous mode and requests ISP modules to queue again the ACTIVE buffer - * if there's any. - */ -void omap3isp_video_resume(struct isp_video *video, int continuous) -{ - struct isp_buffer *buf = NULL; - - if (continuous && video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - omap3isp_video_queue_discard_done(video->queue); - - if (!list_empty(&video->dmaqueue)) { - buf = list_first_entry(&video->dmaqueue, - struct isp_buffer, buffer.irqlist); - video->ops->queue(video, buf); - video->dmaqueue_flags |= ISP_VIDEO_DMAQUEUE_QUEUED; - } else { - if (continuous) - video->dmaqueue_flags |= ISP_VIDEO_DMAQUEUE_UNDERRUN; - } -} - -/* ----------------------------------------------------------------------------- - * V4L2 ioctls - */ - -static int -isp_video_querycap(struct file *file, void *fh, struct v4l2_capability *cap) -{ - struct isp_video *video = video_drvdata(file); - - strlcpy(cap->driver, ISP_VIDEO_DRIVER_NAME, sizeof(cap->driver)); - strlcpy(cap->card, video->video.name, sizeof(cap->card)); - strlcpy(cap->bus_info, "media", sizeof(cap->bus_info)); - - if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; - else - cap->capabilities = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; - - return 0; -} - -static int -isp_video_get_format(struct file *file, void *fh, struct v4l2_format *format) -{ - struct isp_video_fh *vfh = to_isp_video_fh(fh); - struct isp_video *video = video_drvdata(file); - - if (format->type != video->type) - return -EINVAL; - - mutex_lock(&video->mutex); - *format = vfh->format; - mutex_unlock(&video->mutex); - - return 0; -} - -static int -isp_video_set_format(struct file *file, void *fh, struct v4l2_format *format) -{ - struct isp_video_fh *vfh = to_isp_video_fh(fh); - struct isp_video *video = video_drvdata(file); - struct v4l2_mbus_framefmt fmt; - - if (format->type != video->type) - return -EINVAL; - - mutex_lock(&video->mutex); - - /* Fill the bytesperline and sizeimage fields by converting to media bus - * format and back to pixel format. - */ - isp_video_pix_to_mbus(&format->fmt.pix, &fmt); - isp_video_mbus_to_pix(video, &fmt, &format->fmt.pix); - - vfh->format = *format; - - mutex_unlock(&video->mutex); - return 0; -} - -static int -isp_video_try_format(struct file *file, void *fh, struct v4l2_format *format) -{ - struct isp_video *video = video_drvdata(file); - struct v4l2_subdev_format fmt; - struct v4l2_subdev *subdev; - u32 pad; - int ret; - - if (format->type != video->type) - return -EINVAL; - - subdev = isp_video_remote_subdev(video, &pad); - if (subdev == NULL) - return -EINVAL; - - isp_video_pix_to_mbus(&format->fmt.pix, &fmt.format); - - fmt.pad = pad; - fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; - ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt); - if (ret) - return ret == -ENOIOCTLCMD ? -EINVAL : ret; - - isp_video_mbus_to_pix(video, &fmt.format, &format->fmt.pix); - return 0; -} - -static int -isp_video_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cropcap) -{ - struct isp_video *video = video_drvdata(file); - struct v4l2_subdev *subdev; - int ret; - - subdev = isp_video_remote_subdev(video, NULL); - if (subdev == NULL) - return -EINVAL; - - mutex_lock(&video->mutex); - ret = v4l2_subdev_call(subdev, video, cropcap, cropcap); - mutex_unlock(&video->mutex); - - return ret == -ENOIOCTLCMD ? -EINVAL : ret; -} - -static int -isp_video_get_crop(struct file *file, void *fh, struct v4l2_crop *crop) -{ - struct isp_video *video = video_drvdata(file); - struct v4l2_subdev_format format; - struct v4l2_subdev *subdev; - u32 pad; - int ret; - - subdev = isp_video_remote_subdev(video, &pad); - if (subdev == NULL) - return -EINVAL; - - /* Try the get crop operation first and fallback to get format if not - * implemented. - */ - ret = v4l2_subdev_call(subdev, video, g_crop, crop); - if (ret != -ENOIOCTLCMD) - return ret; - - format.pad = pad; - format.which = V4L2_SUBDEV_FORMAT_ACTIVE; - ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &format); - if (ret < 0) - return ret == -ENOIOCTLCMD ? -EINVAL : ret; - - crop->c.left = 0; - crop->c.top = 0; - crop->c.width = format.format.width; - crop->c.height = format.format.height; - - return 0; -} - -static int -isp_video_set_crop(struct file *file, void *fh, struct v4l2_crop *crop) -{ - struct isp_video *video = video_drvdata(file); - struct v4l2_subdev *subdev; - int ret; - - subdev = isp_video_remote_subdev(video, NULL); - if (subdev == NULL) - return -EINVAL; - - mutex_lock(&video->mutex); - ret = v4l2_subdev_call(subdev, video, s_crop, crop); - mutex_unlock(&video->mutex); - - return ret == -ENOIOCTLCMD ? -EINVAL : ret; -} - -static int -isp_video_get_param(struct file *file, void *fh, struct v4l2_streamparm *a) -{ - struct isp_video_fh *vfh = to_isp_video_fh(fh); - struct isp_video *video = video_drvdata(file); - - if (video->type != V4L2_BUF_TYPE_VIDEO_OUTPUT || - video->type != a->type) - return -EINVAL; - - memset(a, 0, sizeof(*a)); - a->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - a->parm.output.capability = V4L2_CAP_TIMEPERFRAME; - a->parm.output.timeperframe = vfh->timeperframe; - - return 0; -} - -static int -isp_video_set_param(struct file *file, void *fh, struct v4l2_streamparm *a) -{ - struct isp_video_fh *vfh = to_isp_video_fh(fh); - struct isp_video *video = video_drvdata(file); - - if (video->type != V4L2_BUF_TYPE_VIDEO_OUTPUT || - video->type != a->type) - return -EINVAL; - - if (a->parm.output.timeperframe.denominator == 0) - a->parm.output.timeperframe.denominator = 1; - - vfh->timeperframe = a->parm.output.timeperframe; - - return 0; -} - -static int -isp_video_reqbufs(struct file *file, void *fh, struct v4l2_requestbuffers *rb) -{ - struct isp_video_fh *vfh = to_isp_video_fh(fh); - - return omap3isp_video_queue_reqbufs(&vfh->queue, rb); -} - -static int -isp_video_querybuf(struct file *file, void *fh, struct v4l2_buffer *b) -{ - struct isp_video_fh *vfh = to_isp_video_fh(fh); - - return omap3isp_video_queue_querybuf(&vfh->queue, b); -} - -static int -isp_video_qbuf(struct file *file, void *fh, struct v4l2_buffer *b) -{ - struct isp_video_fh *vfh = to_isp_video_fh(fh); - - return omap3isp_video_queue_qbuf(&vfh->queue, b); -} - -static int -isp_video_dqbuf(struct file *file, void *fh, struct v4l2_buffer *b) -{ - struct isp_video_fh *vfh = to_isp_video_fh(fh); - - return omap3isp_video_queue_dqbuf(&vfh->queue, b, - file->f_flags & O_NONBLOCK); -} - -static int isp_video_check_external_subdevs(struct isp_video *video, - struct isp_pipeline *pipe) -{ - struct isp_device *isp = video->isp; - struct media_entity *ents[] = { - &isp->isp_csi2a.subdev.entity, - &isp->isp_csi2c.subdev.entity, - &isp->isp_ccp2.subdev.entity, - &isp->isp_ccdc.subdev.entity - }; - struct media_pad *source_pad; - struct media_entity *source = NULL; - struct media_entity *sink; - struct v4l2_subdev_format fmt; - struct v4l2_ext_controls ctrls; - struct v4l2_ext_control ctrl; - unsigned int i; - int ret = 0; - - for (i = 0; i < ARRAY_SIZE(ents); i++) { - /* Is the entity part of the pipeline? */ - if (!(pipe->entities & (1 << ents[i]->id))) - continue; - - /* ISP entities have always sink pad == 0. Find source. */ - source_pad = media_entity_remote_source(&ents[i]->pads[0]); - if (source_pad == NULL) - continue; - - source = source_pad->entity; - sink = ents[i]; - break; - } - - if (!source) { - dev_warn(isp->dev, "can't find source, failing now\n"); - return ret; - } - - if (media_entity_type(source) != MEDIA_ENT_T_V4L2_SUBDEV) - return 0; - - pipe->external = media_entity_to_v4l2_subdev(source); - - fmt.pad = source_pad->index; - fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; - ret = v4l2_subdev_call(media_entity_to_v4l2_subdev(sink), - pad, get_fmt, NULL, &fmt); - if (unlikely(ret < 0)) { - dev_warn(isp->dev, "get_fmt returned null!\n"); - return ret; - } - - pipe->external_width = - omap3isp_video_format_info(fmt.format.code)->width; - - memset(&ctrls, 0, sizeof(ctrls)); - memset(&ctrl, 0, sizeof(ctrl)); - - ctrl.id = V4L2_CID_PIXEL_RATE; - - ctrls.count = 1; - ctrls.controls = &ctrl; - - ret = v4l2_g_ext_ctrls(pipe->external->ctrl_handler, &ctrls); - if (ret < 0) { - dev_warn(isp->dev, "no pixel rate control in subdev %s\n", - pipe->external->name); - return ret; - } - - pipe->external_rate = ctrl.value64; - - if (pipe->entities & (1 << isp->isp_ccdc.subdev.entity.id)) { - unsigned int rate = UINT_MAX; - /* - * Check that maximum allowed CCDC pixel rate isn't - * exceeded by the pixel rate. - */ - omap3isp_ccdc_max_rate(&isp->isp_ccdc, &rate); - if (pipe->external_rate > rate) - return -ENOSPC; - } - - return 0; -} - -/* - * Stream management - * - * Every ISP pipeline has a single input and a single output. The input can be - * either a sensor or a video node. The output is always a video node. - * - * As every pipeline has an output video node, the ISP video objects at the - * pipeline output stores the pipeline state. It tracks the streaming state of - * both the input and output, as well as the availability of buffers. - * - * In sensor-to-memory mode, frames are always available at the pipeline input. - * Starting the sensor usually requires I2C transfers and must be done in - * interruptible context. The pipeline is started and stopped synchronously - * to the stream on/off commands. All modules in the pipeline will get their - * subdev set stream handler called. The module at the end of the pipeline must - * delay starting the hardware until buffers are available at its output. - * - * In memory-to-memory mode, starting/stopping the stream requires - * synchronization between the input and output. ISP modules can't be stopped - * in the middle of a frame, and at least some of the modules seem to become - * busy as soon as they're started, even if they don't receive a frame start - * event. For that reason frames need to be processed in single-shot mode. The - * driver needs to wait until a frame is completely processed and written to - * memory before restarting the pipeline for the next frame. Pipelined - * processing might be possible but requires more testing. - * - * Stream start must be delayed until buffers are available at both the input - * and output. The pipeline must be started in the videobuf queue callback with - * the buffers queue spinlock held. The modules subdev set stream operation must - * not sleep. - */ -static int -isp_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) -{ - struct isp_video_fh *vfh = to_isp_video_fh(fh); - struct isp_video *video = video_drvdata(file); - enum isp_pipeline_state state; - struct isp_pipeline *pipe; - unsigned long flags; - int ret; - - if (type != video->type) - return -EINVAL; - - mutex_lock(&video->stream_lock); - - if (video->streaming) { - mutex_unlock(&video->stream_lock); - return -EBUSY; - } - - /* Start streaming on the pipeline. No link touching an entity in the - * pipeline can be activated or deactivated once streaming is started. - */ - pipe = video->video.entity.pipe - ? to_isp_pipeline(&video->video.entity) : &video->pipe; - - pipe->entities = 0; - - if (video->isp->pdata->set_constraints) - video->isp->pdata->set_constraints(video->isp, true); - pipe->l3_ick = clk_get_rate(video->isp->clock[ISP_CLK_L3_ICK]); - pipe->max_rate = pipe->l3_ick; - - ret = media_entity_pipeline_start(&video->video.entity, &pipe->pipe); - if (ret < 0) - goto err_pipeline_start; - - /* Verify that the currently configured format matches the output of - * the connected subdev. - */ - ret = isp_video_check_format(video, vfh); - if (ret < 0) - goto err_check_format; - - video->bpl_padding = ret; - video->bpl_value = vfh->format.fmt.pix.bytesperline; - - ret = isp_video_get_graph_data(video, pipe); - if (ret < 0) - goto err_check_format; - - if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - state = ISP_PIPELINE_STREAM_OUTPUT | ISP_PIPELINE_IDLE_OUTPUT; - else - state = ISP_PIPELINE_STREAM_INPUT | ISP_PIPELINE_IDLE_INPUT; - - ret = isp_video_check_external_subdevs(video, pipe); - if (ret < 0) - goto err_check_format; - - /* Validate the pipeline and update its state. */ - ret = isp_video_validate_pipeline(pipe); - if (ret < 0) - goto err_check_format; - - pipe->error = false; - - spin_lock_irqsave(&pipe->lock, flags); - pipe->state &= ~ISP_PIPELINE_STREAM; - pipe->state |= state; - spin_unlock_irqrestore(&pipe->lock, flags); - - /* Set the maximum time per frame as the value requested by userspace. - * This is a soft limit that can be overridden if the hardware doesn't - * support the request limit. - */ - if (video->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) - pipe->max_timeperframe = vfh->timeperframe; - - video->queue = &vfh->queue; - INIT_LIST_HEAD(&video->dmaqueue); - atomic_set(&pipe->frame_number, -1); - - ret = omap3isp_video_queue_streamon(&vfh->queue); - if (ret < 0) - goto err_check_format; - - /* In sensor-to-memory mode, the stream can be started synchronously - * to the stream on command. In memory-to-memory mode, it will be - * started when buffers are queued on both the input and output. - */ - if (pipe->input == NULL) { - ret = omap3isp_pipeline_set_stream(pipe, - ISP_PIPELINE_STREAM_CONTINUOUS); - if (ret < 0) - goto err_set_stream; - spin_lock_irqsave(&video->queue->irqlock, flags); - if (list_empty(&video->dmaqueue)) - video->dmaqueue_flags |= ISP_VIDEO_DMAQUEUE_UNDERRUN; - spin_unlock_irqrestore(&video->queue->irqlock, flags); - } - - video->streaming = 1; - - mutex_unlock(&video->stream_lock); - return 0; - -err_set_stream: - omap3isp_video_queue_streamoff(&vfh->queue); -err_check_format: - media_entity_pipeline_stop(&video->video.entity); -err_pipeline_start: - if (video->isp->pdata->set_constraints) - video->isp->pdata->set_constraints(video->isp, false); - /* The DMA queue must be emptied here, otherwise CCDC interrupts that - * will get triggered the next time the CCDC is powered up will try to - * access buffers that might have been freed but still present in the - * DMA queue. This can easily get triggered if the above - * omap3isp_pipeline_set_stream() call fails on a system with a - * free-running sensor. - */ - INIT_LIST_HEAD(&video->dmaqueue); - video->queue = NULL; - - mutex_unlock(&video->stream_lock); - return ret; -} - -static int -isp_video_streamoff(struct file *file, void *fh, enum v4l2_buf_type type) -{ - struct isp_video_fh *vfh = to_isp_video_fh(fh); - struct isp_video *video = video_drvdata(file); - struct isp_pipeline *pipe = to_isp_pipeline(&video->video.entity); - enum isp_pipeline_state state; - unsigned int streaming; - unsigned long flags; - - if (type != video->type) - return -EINVAL; - - mutex_lock(&video->stream_lock); - - /* Make sure we're not streaming yet. */ - mutex_lock(&vfh->queue.lock); - streaming = vfh->queue.streaming; - mutex_unlock(&vfh->queue.lock); - - if (!streaming) - goto done; - - /* Update the pipeline state. */ - if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - state = ISP_PIPELINE_STREAM_OUTPUT - | ISP_PIPELINE_QUEUE_OUTPUT; - else - state = ISP_PIPELINE_STREAM_INPUT - | ISP_PIPELINE_QUEUE_INPUT; - - spin_lock_irqsave(&pipe->lock, flags); - pipe->state &= ~state; - spin_unlock_irqrestore(&pipe->lock, flags); - - /* Stop the stream. */ - omap3isp_pipeline_set_stream(pipe, ISP_PIPELINE_STREAM_STOPPED); - omap3isp_video_queue_streamoff(&vfh->queue); - video->queue = NULL; - video->streaming = 0; - - if (video->isp->pdata->set_constraints) - video->isp->pdata->set_constraints(video->isp, false); - media_entity_pipeline_stop(&video->video.entity); - -done: - mutex_unlock(&video->stream_lock); - return 0; -} - -static int -isp_video_enum_input(struct file *file, void *fh, struct v4l2_input *input) -{ - if (input->index > 0) - return -EINVAL; - - strlcpy(input->name, "camera", sizeof(input->name)); - input->type = V4L2_INPUT_TYPE_CAMERA; - - return 0; -} - -static int -isp_video_g_input(struct file *file, void *fh, unsigned int *input) -{ - *input = 0; - - return 0; -} - -static int -isp_video_s_input(struct file *file, void *fh, unsigned int input) -{ - return input == 0 ? 0 : -EINVAL; -} - -static const struct v4l2_ioctl_ops isp_video_ioctl_ops = { - .vidioc_querycap = isp_video_querycap, - .vidioc_g_fmt_vid_cap = isp_video_get_format, - .vidioc_s_fmt_vid_cap = isp_video_set_format, - .vidioc_try_fmt_vid_cap = isp_video_try_format, - .vidioc_g_fmt_vid_out = isp_video_get_format, - .vidioc_s_fmt_vid_out = isp_video_set_format, - .vidioc_try_fmt_vid_out = isp_video_try_format, - .vidioc_cropcap = isp_video_cropcap, - .vidioc_g_crop = isp_video_get_crop, - .vidioc_s_crop = isp_video_set_crop, - .vidioc_g_parm = isp_video_get_param, - .vidioc_s_parm = isp_video_set_param, - .vidioc_reqbufs = isp_video_reqbufs, - .vidioc_querybuf = isp_video_querybuf, - .vidioc_qbuf = isp_video_qbuf, - .vidioc_dqbuf = isp_video_dqbuf, - .vidioc_streamon = isp_video_streamon, - .vidioc_streamoff = isp_video_streamoff, - .vidioc_enum_input = isp_video_enum_input, - .vidioc_g_input = isp_video_g_input, - .vidioc_s_input = isp_video_s_input, -}; - -/* ----------------------------------------------------------------------------- - * V4L2 file operations - */ - -static int isp_video_open(struct file *file) -{ - struct isp_video *video = video_drvdata(file); - struct isp_video_fh *handle; - int ret = 0; - - handle = kzalloc(sizeof(*handle), GFP_KERNEL); - if (handle == NULL) - return -ENOMEM; - - v4l2_fh_init(&handle->vfh, &video->video); - v4l2_fh_add(&handle->vfh); - - /* If this is the first user, initialise the pipeline. */ - if (omap3isp_get(video->isp) == NULL) { - ret = -EBUSY; - goto done; - } - - ret = omap3isp_pipeline_pm_use(&video->video.entity, 1); - if (ret < 0) { - omap3isp_put(video->isp); - goto done; - } - - omap3isp_video_queue_init(&handle->queue, video->type, - &isp_video_queue_ops, video->isp->dev, - sizeof(struct isp_buffer)); - - memset(&handle->format, 0, sizeof(handle->format)); - handle->format.type = video->type; - handle->timeperframe.denominator = 1; - - handle->video = video; - file->private_data = &handle->vfh; - -done: - if (ret < 0) { - v4l2_fh_del(&handle->vfh); - kfree(handle); - } - - return ret; -} - -static int isp_video_release(struct file *file) -{ - struct isp_video *video = video_drvdata(file); - struct v4l2_fh *vfh = file->private_data; - struct isp_video_fh *handle = to_isp_video_fh(vfh); - - /* Disable streaming and free the buffers queue resources. */ - isp_video_streamoff(file, vfh, video->type); - - mutex_lock(&handle->queue.lock); - omap3isp_video_queue_cleanup(&handle->queue); - mutex_unlock(&handle->queue.lock); - - omap3isp_pipeline_pm_use(&video->video.entity, 0); - - /* Release the file handle. */ - v4l2_fh_del(vfh); - kfree(handle); - file->private_data = NULL; - - omap3isp_put(video->isp); - - return 0; -} - -static unsigned int isp_video_poll(struct file *file, poll_table *wait) -{ - struct isp_video_fh *vfh = to_isp_video_fh(file->private_data); - struct isp_video_queue *queue = &vfh->queue; - - return omap3isp_video_queue_poll(queue, file, wait); -} - -static int isp_video_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct isp_video_fh *vfh = to_isp_video_fh(file->private_data); - - return omap3isp_video_queue_mmap(&vfh->queue, vma); -} - -static struct v4l2_file_operations isp_video_fops = { - .owner = THIS_MODULE, - .unlocked_ioctl = video_ioctl2, - .open = isp_video_open, - .release = isp_video_release, - .poll = isp_video_poll, - .mmap = isp_video_mmap, -}; - -/* ----------------------------------------------------------------------------- - * ISP video core - */ - -static const struct isp_video_operations isp_video_dummy_ops = { -}; - -int omap3isp_video_init(struct isp_video *video, const char *name) -{ - const char *direction; - int ret; - - switch (video->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - direction = "output"; - video->pad.flags = MEDIA_PAD_FL_SINK; - break; - case V4L2_BUF_TYPE_VIDEO_OUTPUT: - direction = "input"; - video->pad.flags = MEDIA_PAD_FL_SOURCE; - break; - - default: - return -EINVAL; - } - - ret = media_entity_init(&video->video.entity, 1, &video->pad, 0); - if (ret < 0) - return ret; - - mutex_init(&video->mutex); - atomic_set(&video->active, 0); - - spin_lock_init(&video->pipe.lock); - mutex_init(&video->stream_lock); - - /* Initialize the video device. */ - if (video->ops == NULL) - video->ops = &isp_video_dummy_ops; - - video->video.fops = &isp_video_fops; - snprintf(video->video.name, sizeof(video->video.name), - "OMAP3 ISP %s %s", name, direction); - video->video.vfl_type = VFL_TYPE_GRABBER; - video->video.release = video_device_release_empty; - video->video.ioctl_ops = &isp_video_ioctl_ops; - video->pipe.stream_state = ISP_PIPELINE_STREAM_STOPPED; - - video_set_drvdata(&video->video, video); - - return 0; -} - -void omap3isp_video_cleanup(struct isp_video *video) -{ - media_entity_cleanup(&video->video.entity); - mutex_destroy(&video->stream_lock); - mutex_destroy(&video->mutex); -} - -int omap3isp_video_register(struct isp_video *video, struct v4l2_device *vdev) -{ - int ret; - - video->video.v4l2_dev = vdev; - - ret = video_register_device(&video->video, VFL_TYPE_GRABBER, -1); - if (ret < 0) - printk(KERN_ERR "%s: could not register video device (%d)\n", - __func__, ret); - - return ret; -} - -void omap3isp_video_unregister(struct isp_video *video) -{ - if (video_is_registered(&video->video)) - video_unregister_device(&video->video); -} diff --git a/drivers/media/video/omap3isp/ispvideo.h b/drivers/media/video/omap3isp/ispvideo.h deleted file mode 100644 index 1ad470ec2b9d..000000000000 --- a/drivers/media/video/omap3isp/ispvideo.h +++ /dev/null @@ -1,216 +0,0 @@ -/* - * ispvideo.h - * - * TI OMAP3 ISP - Generic video node - * - * Copyright (C) 2009-2010 Nokia Corporation - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#ifndef OMAP3_ISP_VIDEO_H -#define OMAP3_ISP_VIDEO_H - -#include <linux/v4l2-mediabus.h> -#include <media/media-entity.h> -#include <media/v4l2-dev.h> -#include <media/v4l2-fh.h> - -#include "ispqueue.h" - -#define ISP_VIDEO_DRIVER_NAME "ispvideo" -#define ISP_VIDEO_DRIVER_VERSION "0.0.2" - -struct isp_device; -struct isp_video; -struct v4l2_mbus_framefmt; -struct v4l2_pix_format; - -/* - * struct isp_format_info - ISP media bus format information - * @code: V4L2 media bus format code - * @truncated: V4L2 media bus format code for the same format truncated to 10 - * bits. Identical to @code if the format is 10 bits wide or less. - * @uncompressed: V4L2 media bus format code for the corresponding uncompressed - * format. Identical to @code if the format is not DPCM compressed. - * @flavor: V4L2 media bus format code for the same pixel layout but - * shifted to be 8 bits per pixel. =0 if format is not shiftable. - * @pixelformat: V4L2 pixel format FCC identifier - * @width: Bits per pixel (when transferred over a bus) - * @bpp: Bytes per pixel (when stored in memory) - */ -struct isp_format_info { - enum v4l2_mbus_pixelcode code; - enum v4l2_mbus_pixelcode truncated; - enum v4l2_mbus_pixelcode uncompressed; - enum v4l2_mbus_pixelcode flavor; - u32 pixelformat; - unsigned int width; - unsigned int bpp; -}; - -enum isp_pipeline_stream_state { - ISP_PIPELINE_STREAM_STOPPED = 0, - ISP_PIPELINE_STREAM_CONTINUOUS = 1, - ISP_PIPELINE_STREAM_SINGLESHOT = 2, -}; - -enum isp_pipeline_state { - /* The stream has been started on the input video node. */ - ISP_PIPELINE_STREAM_INPUT = 1, - /* The stream has been started on the output video node. */ - ISP_PIPELINE_STREAM_OUTPUT = 2, - /* At least one buffer is queued on the input video node. */ - ISP_PIPELINE_QUEUE_INPUT = 4, - /* At least one buffer is queued on the output video node. */ - ISP_PIPELINE_QUEUE_OUTPUT = 8, - /* The input entity is idle, ready to be started. */ - ISP_PIPELINE_IDLE_INPUT = 16, - /* The output entity is idle, ready to be started. */ - ISP_PIPELINE_IDLE_OUTPUT = 32, - /* The pipeline is currently streaming. */ - ISP_PIPELINE_STREAM = 64, -}; - -/* - * struct isp_pipeline - An ISP hardware pipeline - * @error: A hardware error occurred during capture - * @entities: Bitmask of entities in the pipeline (indexed by entity ID) - */ -struct isp_pipeline { - struct media_pipeline pipe; - spinlock_t lock; /* Pipeline state and queue flags */ - unsigned int state; - enum isp_pipeline_stream_state stream_state; - struct isp_video *input; - struct isp_video *output; - u32 entities; - unsigned long l3_ick; - unsigned int max_rate; - atomic_t frame_number; - bool do_propagation; /* of frame number */ - bool error; - struct v4l2_fract max_timeperframe; - struct v4l2_subdev *external; - unsigned int external_rate; - unsigned int external_width; -}; - -#define to_isp_pipeline(__e) \ - container_of((__e)->pipe, struct isp_pipeline, pipe) - -static inline int isp_pipeline_ready(struct isp_pipeline *pipe) -{ - return pipe->state == (ISP_PIPELINE_STREAM_INPUT | - ISP_PIPELINE_STREAM_OUTPUT | - ISP_PIPELINE_QUEUE_INPUT | - ISP_PIPELINE_QUEUE_OUTPUT | - ISP_PIPELINE_IDLE_INPUT | - ISP_PIPELINE_IDLE_OUTPUT); -} - -/* - * struct isp_buffer - ISP buffer - * @buffer: ISP video buffer - * @isp_addr: MMU mapped address (a.k.a. device address) of the buffer. - */ -struct isp_buffer { - struct isp_video_buffer buffer; - dma_addr_t isp_addr; -}; - -#define to_isp_buffer(buf) container_of(buf, struct isp_buffer, buffer) - -enum isp_video_dmaqueue_flags { - /* Set if DMA queue becomes empty when ISP_PIPELINE_STREAM_CONTINUOUS */ - ISP_VIDEO_DMAQUEUE_UNDERRUN = (1 << 0), - /* Set when queuing buffer to an empty DMA queue */ - ISP_VIDEO_DMAQUEUE_QUEUED = (1 << 1), -}; - -#define isp_video_dmaqueue_flags_clr(video) \ - ({ (video)->dmaqueue_flags = 0; }) - -/* - * struct isp_video_operations - ISP video operations - * @queue: Resume streaming when a buffer is queued. Called on VIDIOC_QBUF - * if there was no buffer previously queued. - */ -struct isp_video_operations { - int(*queue)(struct isp_video *video, struct isp_buffer *buffer); -}; - -struct isp_video { - struct video_device video; - enum v4l2_buf_type type; - struct media_pad pad; - - struct mutex mutex; /* format and crop settings */ - atomic_t active; - - struct isp_device *isp; - - unsigned int capture_mem; - unsigned int bpl_alignment; /* alignment value */ - unsigned int bpl_zero_padding; /* whether the alignment is optional */ - unsigned int bpl_max; /* maximum bytes per line value */ - unsigned int bpl_value; /* bytes per line value */ - unsigned int bpl_padding; /* padding at end of line */ - - /* Entity video node streaming */ - unsigned int streaming:1; - - /* Pipeline state */ - struct isp_pipeline pipe; - struct mutex stream_lock; /* pipeline and stream states */ - - /* Video buffers queue */ - struct isp_video_queue *queue; - struct list_head dmaqueue; - enum isp_video_dmaqueue_flags dmaqueue_flags; - - const struct isp_video_operations *ops; -}; - -#define to_isp_video(vdev) container_of(vdev, struct isp_video, video) - -struct isp_video_fh { - struct v4l2_fh vfh; - struct isp_video *video; - struct isp_video_queue queue; - struct v4l2_format format; - struct v4l2_fract timeperframe; -}; - -#define to_isp_video_fh(fh) container_of(fh, struct isp_video_fh, vfh) -#define isp_video_queue_to_isp_video_fh(q) \ - container_of(q, struct isp_video_fh, queue) - -int omap3isp_video_init(struct isp_video *video, const char *name); -void omap3isp_video_cleanup(struct isp_video *video); -int omap3isp_video_register(struct isp_video *video, - struct v4l2_device *vdev); -void omap3isp_video_unregister(struct isp_video *video); -struct isp_buffer *omap3isp_video_buffer_next(struct isp_video *video); -void omap3isp_video_resume(struct isp_video *video, int continuous); -struct media_pad *omap3isp_video_remote_pad(struct isp_video *video); - -const struct isp_format_info * -omap3isp_video_format_info(enum v4l2_mbus_pixelcode code); - -#endif /* OMAP3_ISP_VIDEO_H */ diff --git a/drivers/media/video/omap3isp/luma_enhance_table.h b/drivers/media/video/omap3isp/luma_enhance_table.h deleted file mode 100644 index 098b45e2280f..000000000000 --- a/drivers/media/video/omap3isp/luma_enhance_table.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * luma_enhance_table.h - * - * TI OMAP3 ISP - Luminance enhancement table - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -1047552, 1047552, 1047552, 1047552, 1047552, 1047552, 1047552, 1047552, -1047552, 1047552, 1047552, 1047552, 1047552, 1047552, 1047552, 1047552, -1047552, 1047552, 1047552, 1047552, 1047552, 1047552, 1047552, 1047552, -1047552, 1047552, 1047552, 1047552, 1048575, 1047551, 1046527, 1045503, -1044479, 1043455, 1042431, 1041407, 1040383, 1039359, 1038335, 1037311, -1036287, 1035263, 1034239, 1033215, 1032191, 1031167, 1030143, 1028096, -1028096, 1028096, 1028096, 1028096, 1028096, 1028096, 1028096, 1028096, -1028096, 1028100, 1032196, 1036292, 1040388, 1044484, 0, 0, - 0, 5, 5125, 10245, 15365, 20485, 25605, 30720, - 30720, 30720, 30720, 30720, 30720, 30720, 30720, 30720, - 30720, 30720, 31743, 30719, 29695, 28671, 27647, 26623, - 25599, 24575, 23551, 22527, 21503, 20479, 19455, 18431, - 17407, 16383, 15359, 14335, 13311, 12287, 11263, 10239, - 9215, 8191, 7167, 6143, 5119, 4095, 3071, 1024, - 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, - 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024 diff --git a/drivers/media/video/omap3isp/noise_filter_table.h b/drivers/media/video/omap3isp/noise_filter_table.h deleted file mode 100644 index d50451a4a242..000000000000 --- a/drivers/media/video/omap3isp/noise_filter_table.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * noise_filter_table.h - * - * TI OMAP3 ISP - Noise filter table - * - * Copyright (C) 2010 Nokia Corporation - * Copyright (C) 2009 Texas Instruments, Inc. - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, -16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, -31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, -31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31 |