diff options
author | Sujith Manoharan <c_manoha@qca.qualcomm.com> | 2012-12-10 07:22:38 +0530 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2012-12-10 15:49:51 -0500 |
commit | 1562580e37e7a6936d591fd04cf9d7b79a096bf0 (patch) | |
tree | a32b35a602c71daf045441fd7ff17fa70936142b /drivers/net/wireless | |
parent | 0f21ee8d9c8a041b974cfb75d81d07b61bd0869f (diff) |
ath9k_hw: Calculate the correct training power for PAPRD
Assign the training power for PAPRD based on the chip.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 41 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_paprd.c | 22 |
2 files changed, 43 insertions, 20 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 6b8861c559ed..11082b417d24 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -5072,6 +5072,33 @@ static inline u8 mcsidx_to_tgtpwridx(unsigned int mcs_idx, u8 base_pwridx) return base_pwridx + 4 * (mcs_idx / 8) + mod_idx - 2; } +static void ar9003_paprd_set_txpower(struct ath_hw *ah, + struct ath9k_channel *chan, + u8 *targetPowerValT2) +{ + int i; + + if (!ar9003_is_paprd_enabled(ah)) + return; + + if (IS_CHAN_HT40(chan)) + i = ALL_TARGET_HT40_7; + else + i = ALL_TARGET_HT20_7; + + if (IS_CHAN_2GHZ(chan)) { + if (!AR_SREV_9330(ah) && !AR_SREV_9340(ah) && + !AR_SREV_9462(ah) && !AR_SREV_9565(ah)) { + if (IS_CHAN_HT40(chan)) + i = ALL_TARGET_HT40_0_8_16; + else + i = ALL_TARGET_HT20_0_8_16; + } + } + + ah->paprd_target_power = targetPowerValT2[i]; +} + static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah, struct ath9k_channel *chan, u16 cfgCtl, u8 twiceAntennaReduction, @@ -5166,19 +5193,7 @@ static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah, /* Write target power array to registers */ ar9003_hw_tx_power_regwrite(ah, targetPowerValT2); ar9003_hw_calibration_apply(ah, chan->channel); - - if (IS_CHAN_2GHZ(chan)) { - if (IS_CHAN_HT40(chan)) - i = ALL_TARGET_HT40_0_8_16; - else - i = ALL_TARGET_HT20_0_8_16; - } else { - if (IS_CHAN_HT40(chan)) - i = ALL_TARGET_HT40_7; - else - i = ALL_TARGET_HT20_7; - } - ah->paprd_target_power = targetPowerValT2[i]; + ar9003_paprd_set_txpower(ah, chan, targetPowerValT2); } static u16 ath9k_hw_ar9300_get_spur_channel(struct ath_hw *ah, diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c index aea190883141..09c1f9da67a0 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c @@ -74,15 +74,23 @@ static int ar9003_get_training_power_2g(struct ath_hw *ah) unsigned int power, scale, delta; scale = ar9003_get_paprd_scale_factor(ah, chan); - power = REG_READ_FIELD(ah, AR_PHY_POWERTX_RATE5, - AR_PHY_POWERTX_RATE5_POWERTXHT20_0); - delta = abs((int) ah->paprd_target_power - (int) power); - if (delta > scale) - return -1; + if (AR_SREV_9330(ah) || AR_SREV_9340(ah) || + AR_SREV_9462(ah) || AR_SREV_9565(ah)) { + power = ah->paprd_target_power + 2; + } else if (AR_SREV_9485(ah)) { + power = 25; + } else { + power = REG_READ_FIELD(ah, AR_PHY_POWERTX_RATE5, + AR_PHY_POWERTX_RATE5_POWERTXHT20_0); + + delta = abs((int) ah->paprd_target_power - (int) power); + if (delta > scale) + return -1; - if (delta < 4) - power -= 4 - delta; + if (delta < 4) + power -= 4 - delta; + } return power; } |