diff options
| author | Sujith <Sujith.Manoharan@atheros.com> | 2009-08-07 09:45:30 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-08-14 09:13:35 -0400 |
| commit | bf466fb67c8e0559ba1875232b03ee8dee32ae09 (patch) | |
| tree | f41603b2a78dee89d2d12ba42505f0687d68f86b /drivers/net/wireless/ath | |
| parent | 7f63845f2a5f54c64968a4221561c619468b8a54 (diff) | |
ath9k: Cleanup TX power calculation for 4K chips
Write CCK power-per-rate array always and report
correct TX power to regulatory.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/eeprom_4k.c | 72 |
1 files changed, 35 insertions, 37 deletions
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c index c9636159b8f..29878e0789b 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c +++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c @@ -703,11 +703,11 @@ static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah, } static void ath9k_hw_4k_set_txpower(struct ath_hw *ah, - struct ath9k_channel *chan, - u16 cfgCtl, - u8 twiceAntennaReduction, - u8 twiceMaxRegulatoryPower, - u8 powerLimit) + struct ath9k_channel *chan, + u16 cfgCtl, + u8 twiceAntennaReduction, + u8 twiceMaxRegulatoryPower, + u8 powerLimit) { struct ar5416_eeprom_4k *pEepData = &ah->eeprom.map4k; struct modal_eep_4k_header *pModal = &pEepData->modalHeader; @@ -724,10 +724,10 @@ static void ath9k_hw_4k_set_txpower(struct ath_hw *ah, } ath9k_hw_set_4k_power_per_rate_table(ah, chan, - &ratesArray[0], cfgCtl, - twiceAntennaReduction, - twiceMaxRegulatoryPower, - powerLimit); + &ratesArray[0], cfgCtl, + twiceAntennaReduction, + twiceMaxRegulatoryPower, + powerLimit); ath9k_hw_set_4k_power_cal_table(ah, chan, &txPowerIndexOffset); @@ -737,11 +737,23 @@ static void ath9k_hw_4k_set_txpower(struct ath_hw *ah, ratesArray[i] = AR5416_MAX_RATE_POWER; } + + /* Update regulatory */ + + i = rate6mb; + if (IS_CHAN_HT40(chan)) + i = rateHt40_0; + else if (IS_CHAN_HT20(chan)) + i = rateHt20_0; + + ah->regulatory.max_power_level = ratesArray[i]; + if (AR_SREV_9280_10_OR_LATER(ah)) { for (i = 0; i < Ar5416RateSize; i++) ratesArray[i] -= AR5416_PWR_TABLE_OFFSET * 2; } + /* OFDM power per rate */ REG_WRITE(ah, AR_PHY_POWER_TX_RATE1, ATH9K_POW_SM(ratesArray[rate18mb], 24) | ATH9K_POW_SM(ratesArray[rate12mb], 16) @@ -753,19 +765,19 @@ static void ath9k_hw_4k_set_txpower(struct ath_hw *ah, | ATH9K_POW_SM(ratesArray[rate36mb], 8) | ATH9K_POW_SM(ratesArray[rate24mb], 0)); - if (IS_CHAN_2GHZ(chan)) { - REG_WRITE(ah, AR_PHY_POWER_TX_RATE3, - ATH9K_POW_SM(ratesArray[rate2s], 24) - | ATH9K_POW_SM(ratesArray[rate2l], 16) - | ATH9K_POW_SM(ratesArray[rateXr], 8) - | ATH9K_POW_SM(ratesArray[rate1l], 0)); - REG_WRITE(ah, AR_PHY_POWER_TX_RATE4, - ATH9K_POW_SM(ratesArray[rate11s], 24) - | ATH9K_POW_SM(ratesArray[rate11l], 16) - | ATH9K_POW_SM(ratesArray[rate5_5s], 8) - | ATH9K_POW_SM(ratesArray[rate5_5l], 0)); - } - + /* CCK power per rate */ + REG_WRITE(ah, AR_PHY_POWER_TX_RATE3, + ATH9K_POW_SM(ratesArray[rate2s], 24) + | ATH9K_POW_SM(ratesArray[rate2l], 16) + | ATH9K_POW_SM(ratesArray[rateXr], 8) + | ATH9K_POW_SM(ratesArray[rate1l], 0)); + REG_WRITE(ah, AR_PHY_POWER_TX_RATE4, + ATH9K_POW_SM(ratesArray[rate11s], 24) + | ATH9K_POW_SM(ratesArray[rate11l], 16) + | ATH9K_POW_SM(ratesArray[rate5_5s], 8) + | ATH9K_POW_SM(ratesArray[rate5_5l], 0)); + + /* HT20 power per rate */ REG_WRITE(ah, AR_PHY_POWER_TX_RATE5, ATH9K_POW_SM(ratesArray[rateHt20_3], 24) | ATH9K_POW_SM(ratesArray[rateHt20_2], 16) @@ -777,6 +789,7 @@ static void ath9k_hw_4k_set_txpower(struct ath_hw *ah, | ATH9K_POW_SM(ratesArray[rateHt20_5], 8) | ATH9K_POW_SM(ratesArray[rateHt20_4], 0)); + /* HT40 power per rate */ if (IS_CHAN_HT40(chan)) { REG_WRITE(ah, AR_PHY_POWER_TX_RATE7, ATH9K_POW_SM(ratesArray[rateHt40_3] + @@ -796,27 +809,12 @@ static void ath9k_hw_4k_set_txpower(struct ath_hw *ah, ht40PowerIncForPdadc, 8) | ATH9K_POW_SM(ratesArray[rateHt40_4] + ht40PowerIncForPdadc, 0)); - REG_WRITE(ah, AR_PHY_POWER_TX_RATE9, ATH9K_POW_SM(ratesArray[rateExtOfdm], 24) | ATH9K_POW_SM(ratesArray[rateExtCck], 16) | ATH9K_POW_SM(ratesArray[rateDupOfdm], 8) | ATH9K_POW_SM(ratesArray[rateDupCck], 0)); } - - i = rate6mb; - - if (IS_CHAN_HT40(chan)) - i = rateHt40_0; - else if (IS_CHAN_HT20(chan)) - i = rateHt20_0; - - if (AR_SREV_9280_10_OR_LATER(ah)) - ah->regulatory.max_power_level = - ratesArray[i] + AR5416_PWR_TABLE_OFFSET * 2; - else - ah->regulatory.max_power_level = ratesArray[i]; - } static void ath9k_hw_4k_set_addac(struct ath_hw *ah, |