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path: root/drivers/pcmcia/ti113x.h
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Diffstat (limited to 'drivers/pcmcia/ti113x.h')
-rw-r--r--drivers/pcmcia/ti113x.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/pcmcia/ti113x.h b/drivers/pcmcia/ti113x.h
index d319f2e7d053..da0b404561c9 100644
--- a/drivers/pcmcia/ti113x.h
+++ b/drivers/pcmcia/ti113x.h
@@ -59,6 +59,7 @@
#define TI122X_SCR_SER_STEP 0xc0000000
#define TI122X_SCR_INTRTIE 0x20000000
+#define TIXX21_SCR_TIEALL 0x10000000
#define TI122X_SCR_CBRSVD 0x00400000
#define TI122X_SCR_MRBURSTDN 0x00008000
#define TI122X_SCR_MRBURSTUP 0x00004000
@@ -624,6 +625,7 @@ static int ti12xx_2nd_slot_empty(struct yenta_socket *socket)
int devfn;
unsigned int state;
int ret = 1;
+ u32 sysctl;
/* catch the two-slot controllers */
switch (socket->dev->device) {
@@ -646,6 +648,24 @@ static int ti12xx_2nd_slot_empty(struct yenta_socket *socket)
*/
break;
+ case PCI_DEVICE_ID_TI_X515:
+ case PCI_DEVICE_ID_TI_X420:
+ case PCI_DEVICE_ID_TI_X620:
+ case PCI_DEVICE_ID_TI_XX21_XX11:
+ case PCI_DEVICE_ID_TI_7410:
+ case PCI_DEVICE_ID_TI_7610:
+ /*
+ * those are either single or dual slot CB with additional functions
+ * like 1394, smartcard reader, etc. check the TIEALL flag for them
+ * the TIEALL flag binds the IRQ of all functions toghether.
+ * we catch the single slot variants later.
+ */
+ sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL);
+ if (sysctl & TIXX21_SCR_TIEALL)
+ return 0;
+
+ break;
+
/* single-slot controllers have the 2nd slot empty always :) */
default:
return 1;
@@ -658,6 +678,15 @@ static int ti12xx_2nd_slot_empty(struct yenta_socket *socket)
if (!func)
return 1;
+ /*
+ * check that the device id of both slots match. this is needed for the
+ * XX21 and the XX11 controller that share the same device id for single
+ * and dual slot controllers. return '2nd slot empty'. we already checked
+ * if the interrupt is tied to another function.
+ */
+ if (socket->dev->device != func->device)
+ goto out;
+
slot2 = pci_get_drvdata(func);
if (!slot2)
goto out;