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ath9k_hw: Read and apply thermometer settings from EEPROM 

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hifive-unleashed-5.1
Rajkumar Manoharan 2012-09-07 12:15:15 +05:30 committed by John W. Linville
parent 84d216c698
commit 02eba42198
2 changed files with 41 additions and 0 deletions
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39
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
View File

@ -3977,6 +3977,44 @@ static void ar9003_hw_xlna_bias_strength_apply(struct ath_hw *ah, bool is2ghz)
bias & 0x3);
}
static int ar9003_hw_get_thermometer(struct ath_hw *ah)
{
struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
struct ar9300_base_eep_hdr *pBase = &eep->baseEepHeader;
int thermometer = (pBase->miscConfiguration >> 1) & 0x3;
return --thermometer;
}
static void ar9003_hw_thermometer_apply(struct ath_hw *ah)
{
int thermometer = ar9003_hw_get_thermometer(ah);
u8 therm_on = (thermometer < 0) ? 0 : 1;
REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_RXTX4,
AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR, therm_on);
if (ah->caps.tx_chainmask & BIT(1))
REG_RMW_FIELD(ah, AR_PHY_65NM_CH1_RXTX4,
AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR, therm_on);
if (ah->caps.tx_chainmask & BIT(2))
REG_RMW_FIELD(ah, AR_PHY_65NM_CH2_RXTX4,
AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR, therm_on);
therm_on = (thermometer < 0) ? 0 : (thermometer == 0);
REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_RXTX4,
AR_PHY_65NM_CH0_RXTX4_THERM_ON, therm_on);
if (ah->caps.tx_chainmask & BIT(1)) {
therm_on = (thermometer < 0) ? 0 : (thermometer == 1);
REG_RMW_FIELD(ah, AR_PHY_65NM_CH1_RXTX4,
AR_PHY_65NM_CH0_RXTX4_THERM_ON, therm_on);
}
if (ah->caps.tx_chainmask & BIT(2)) {
therm_on = (thermometer < 0) ? 0 : (thermometer == 2);
REG_RMW_FIELD(ah, AR_PHY_65NM_CH2_RXTX4,
AR_PHY_65NM_CH0_RXTX4_THERM_ON, therm_on);
}
}
static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah,
struct ath9k_channel *chan)
{
@ -3992,6 +4030,7 @@ static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah,
ar9003_hw_internal_regulator_apply(ah);
ar9003_hw_apply_tuning_caps(ah);
ar9003_hw_txend_to_xpa_off_apply(ah, is2ghz);
ar9003_hw_thermometer_apply(ah);
}
static void ath9k_hw_ar9300_set_addac(struct ath_hw *ah,

2
drivers/net/wireless/ath/ath9k/ar9003_phy.h
View File

@ -881,6 +881,8 @@
#define AR_PHY_65NM_CH0_RXTX4_THERM_ON 0x10000000
#define AR_PHY_65NM_CH0_RXTX4_THERM_ON_S 28
#define AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR 0x20000000
#define AR_PHY_65NM_CH0_RXTX4_THERM_ON_OVR_S 29
#define AR_PHY_65NM_RXTX4_XLNA_BIAS 0xC0000000
#define AR_PHY_65NM_RXTX4_XLNA_BIAS_S 30