Commit dd040f76 authored by Vasanthakumar Thiagarajan's avatar Vasanthakumar Thiagarajan Committed by John W. Linville
Browse files

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: default avatarVasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent ab09b5b4

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

+16 −0
Original line number Diff line number Diff line
@@ -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,

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

+6 −0
Original line number Diff line number Diff line
@@ -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

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