diff options
| author | Nick Kossifidis <mickflemm@gmail.com> | 2010-11-23 21:33:22 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-11-30 13:53:23 -0500 |
| commit | f08fbf6cf4a31c8df52b21440c7a7e6fbe474b28 (patch) | |
| tree | d409b41e9460c7e0004e7c55531b286157c20e4b | |
| parent | a2677fe4298c61f0e93c063e59815bf21c530c4a (diff) | |
| download | linux-f08fbf6cf4a31c8df52b21440c7a7e6fbe474b28.tar.gz linux-f08fbf6cf4a31c8df52b21440c7a7e6fbe474b28.tar.xz | |
ath5k: Update PLL programming for turbo/half/quarter
* Set correct PLL settings for each bwmode
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/reset.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c index c871d40b1ad7..ec013103a6af 100644 --- a/drivers/net/wireless/ath/ath5k/reset.c +++ b/drivers/net/wireless/ath/ath5k/reset.c @@ -500,7 +500,6 @@ int ath5k_hw_on_hold(struct ath5k_hw *ah) /* * Bring up MAC + PHY Chips and program PLL - * TODO: Half/Quarter rate support */ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial) { @@ -588,7 +587,8 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial) * CCK headers) operation. We need to test * this, 5211 might support ofdm-only g after * all, there are also initial register values - * in the code for g mode (see initvals.c). */ + * in the code for g mode (see initvals.c). + */ if (ah->ah_version == AR5K_AR5211) mode |= AR5K_PHY_MODE_MOD_OFDM; else @@ -601,6 +601,7 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial) } else if (flags & CHANNEL_5GHZ) { mode |= AR5K_PHY_MODE_FREQ_5GHZ; + /* Different PLL setting for 5413 */ if (ah->ah_radio == AR5K_RF5413) clock = AR5K_PHY_PLL_40MHZ_5413; else @@ -618,12 +619,29 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial) return -EINVAL; } - if (flags & CHANNEL_TURBO) - turbo = AR5K_PHY_TURBO_MODE | AR5K_PHY_TURBO_SHORT; + /*XXX: Can bwmode be used with dynamic mode ? + * (I don't think it supports 44MHz) */ + /* On 2425 initvals TURBO_SHORT is not pressent */ + if (ah->ah_bwmode == AR5K_BWMODE_40MHZ) { + turbo = AR5K_PHY_TURBO_MODE | + (ah->ah_radio == AR5K_RF2425) ? 0 : + AR5K_PHY_TURBO_SHORT; + } else if (ah->ah_bwmode != AR5K_BWMODE_DEFAULT) { + if (ah->ah_radio == AR5K_RF5413) { + mode |= (ah->ah_bwmode == AR5K_BWMODE_10MHZ) ? + AR5K_PHY_MODE_HALF_RATE : + AR5K_PHY_MODE_QUARTER_RATE; + } else if (ah->ah_version == AR5K_AR5212) { + clock |= (ah->ah_bwmode == AR5K_BWMODE_10MHZ) ? + AR5K_PHY_PLL_HALF_RATE : + AR5K_PHY_PLL_QUARTER_RATE; + } + } + } else { /* Reset the device */ /* ...enable Atheros turbo mode if requested */ - if (flags & CHANNEL_TURBO) + if (ah->ah_bwmode == AR5K_BWMODE_40MHZ) ath5k_hw_reg_write(ah, AR5K_PHY_TURBO_MODE, AR5K_PHY_TURBO); } |