diff options
| author | Vasanthakumar Thiagarajan <vasanth@atheros.com> | 2010-12-06 12:27:52 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-12-07 21:34:58 (GMT) |
| commit | dd040f76cef0cc977b83e905a16b68d41322b735 (patch) | |
| tree | 28b58fa49d6549544b95e77feb50fe368689079f /drivers/net/wireless | |
| parent | ab09b5b4beda8b33a117bf6fbbb2b5aa8f566129 (diff) | |
| download | linux-dd040f76cef0cc977b83e905a16b68d41322b735.tar.xz | |
ath9k_hw: Read and configure turnning caps to regulate freq accuracy
Right now it is done for only AR9485, will be done for ar9003 also
after proper testing.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 16 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_phy.h | 6 |
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index c02e43d..76508f8 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -3737,6 +3737,20 @@ static void ar9003_hw_internal_regulator_apply(struct ath_hw *ah) } +static void ar9003_hw_apply_tuning_caps(struct ath_hw *ah) +{ + struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep; + u8 tuning_caps_param = eep->baseEepHeader.params_for_tuning_caps[0]; + + if (eep->baseEepHeader.featureEnable & 0x40) { + tuning_caps_param &= 0x7f; + REG_RMW_FIELD(ah, AR_CH0_XTAL, AR_CH0_XTAL_CAPINDAC, + tuning_caps_param); + REG_RMW_FIELD(ah, AR_CH0_XTAL, AR_CH0_XTAL_CAPOUTDAC, + tuning_caps_param); + } +} + static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah, struct ath9k_channel *chan) { @@ -3745,6 +3759,8 @@ static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah, ar9003_hw_drive_strength_apply(ah); ar9003_hw_atten_apply(ah, chan); ar9003_hw_internal_regulator_apply(ah); + if (AR_SREV_9485(ah)) + ar9003_hw_apply_tuning_caps(ah); } static void ath9k_hw_ar9300_set_addac(struct ath_hw *ah, diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h index 8de3ffd..4c64eb1 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -598,6 +598,12 @@ #define AR_CH0_TOP2_XPABIASLVL 0xf000 #define AR_CH0_TOP2_XPABIASLVL_S 12 +#define AR_CH0_XTAL (AR_SREV_9485(ah) ? 0x16290 : 0x16294) +#define AR_CH0_XTAL_CAPINDAC 0x7f000000 +#define AR_CH0_XTAL_CAPINDAC_S 24 +#define AR_CH0_XTAL_CAPOUTDAC 0x00fe0000 +#define AR_CH0_XTAL_CAPOUTDAC_S 17 + #define AR_PHY_PMU1 0x16c40 #define AR_PHY_PMU1_PWD 0x1 #define AR_PHY_PMU1_PWD_S 0 |