From 4cfd220e69ea9ea293c32e759a40f7a76a0a3f12 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Wed, 12 Sep 2012 14:13:45 +0530 Subject: [PATCH 231/231] ath9k_hw: Read and configure thermocal for AR9462 Read and configure thermometer calibration results read from OTP card. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 19 +++++++++++++++++++ drivers/net/wireless/ath/ath9k/ar9003_phy.h | 6 ++++++ 2 files changed, 25 insertions(+) --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -3987,6 +3987,24 @@ static void ar9003_hw_thermometer_apply( } } +static void ar9003_hw_thermo_cal_apply(struct ath_hw *ah) +{ + u32 data, ko, kg; + + if (!AR_SREV_9462_20(ah)) + return; + ar9300_otp_read_word(ah, 1, &data); + ko = data & 0xff; + kg = (data >> 8) & 0xff; + if (ko || kg) { + REG_RMW_FIELD(ah, AR_PHY_BB_THERM_ADC_3, + AR_PHY_BB_THERM_ADC_3_THERM_ADC_OFFSET, ko); + REG_RMW_FIELD(ah, AR_PHY_BB_THERM_ADC_3, + AR_PHY_BB_THERM_ADC_3_THERM_ADC_SCALE_GAIN, + kg + 256); + } +} + static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah, struct ath9k_channel *chan) { @@ -4001,6 +4019,7 @@ static void ath9k_hw_ar9300_set_board_va ar9003_hw_apply_tuning_caps(ah); ar9003_hw_txend_to_xpa_off_apply(ah, chan->channel); ar9003_hw_thermometer_apply(ah); + ar9003_hw_thermo_cal_apply(ah); } static void ath9k_hw_ar9300_set_addac(struct ath_hw *ah, --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -609,6 +609,12 @@ #define AR_PHY_BB_THERM_ADC_1_INIT_THERM 0x000000ff #define AR_PHY_BB_THERM_ADC_1_INIT_THERM_S 0 +#define AR_PHY_BB_THERM_ADC_3 (AR_SM_BASE + 0x250) +#define AR_PHY_BB_THERM_ADC_3_THERM_ADC_SCALE_GAIN 0x0001ff00 +#define AR_PHY_BB_THERM_ADC_3_THERM_ADC_SCALE_GAIN_S 8 +#define AR_PHY_BB_THERM_ADC_3_THERM_ADC_OFFSET 0x000000ff +#define AR_PHY_BB_THERM_ADC_3_THERM_ADC_OFFSET_S 0 + #define AR_PHY_BB_THERM_ADC_4 (AR_SM_BASE + 0x254) #define AR_PHY_BB_THERM_ADC_4_LATEST_THERM_VALUE 0x000000ff #define AR_PHY_BB_THERM_ADC_4_LATEST_THERM_VALUE_S 0