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ath9k_hw: Read and configure turnning caps to regulate freq accuracy

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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>
This commit is contained in:
Vasanthakumar Thiagarajan 2010-12-06 04:27:52 -08:00 committed by John W. Linville
parent ab09b5b4be
commit dd040f76ce
2 changed files with 22 additions and 0 deletions
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16
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
View File

@ -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,

6
drivers/net/wireless/ath/ath9k/ar9003_phy.h
View File

@ -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