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Commit 02eba421 authored by Rajkumar Manoharan's avatar Rajkumar Manoharan Committed by John W. Linville
Browse files

ath9k_hw: Read and apply thermometer settings from EEPROM 



Signed-off-by: default avatarRajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 84d216c6

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c

+39 −0
Original line number Diff line number Diff line
@@ -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,

drivers/net/wireless/ath/ath9k/ar9003_phy.h

+2 −0
Original line number Diff line number Diff line
@@ -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