diff options
| author | Vasanthakumar Thiagarajan <vasanth@atheros.com> | 2010-12-06 04:27:58 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-12-07 16:54:23 -0500 |
| commit | 11441fb8b700bd782ae72d3dd87453fc5bc2ff12 (patch) | |
| tree | 5838b8560db554a7ef6107f931b20d81927056d2 /drivers/net/wireless/ath/ath9k/ar9003_paprd.c | |
| parent | 7090ad1416d0311677c43728494c6028aa2436b6 (diff) | |
| download | lwn-11441fb8b700bd782ae72d3dd87453fc5bc2ff12.tar.gz lwn-11441fb8b700bd782ae72d3dd87453fc5bc2ff12.zip | |
ath9k_hw: Setup paprd only for supported chains
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_paprd.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_paprd.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c index 850bc9866c19..74cff4365c43 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c @@ -21,10 +21,12 @@ void ar9003_paprd_enable(struct ath_hw *ah, bool val) { REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL0_B0, AR_PHY_PAPRD_CTRL0_PAPRD_ENABLE, !!val); - REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL0_B1, - AR_PHY_PAPRD_CTRL0_PAPRD_ENABLE, !!val); - REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL0_B2, - AR_PHY_PAPRD_CTRL0_PAPRD_ENABLE, !!val); + if (ah->caps.tx_chainmask & BIT(1)) + REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL0_B1, + AR_PHY_PAPRD_CTRL0_PAPRD_ENABLE, !!val); + if (ah->caps.tx_chainmask & BIT(2)) + REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL0_B2, + AR_PHY_PAPRD_CTRL0_PAPRD_ENABLE, !!val); } EXPORT_SYMBOL(ar9003_paprd_enable); @@ -57,7 +59,8 @@ static void ar9003_paprd_setup_single_table(struct ath_hw *ah) REG_RMW_FIELD(ah, AR_PHY_PAPRD_AM2PM, AR_PHY_PAPRD_AM2PM_MASK, am_mask); REG_RMW_FIELD(ah, AR_PHY_PAPRD_HT40, AR_PHY_PAPRD_HT40_MASK, ht40_mask); - for (i = 0; i < 3; i++) { + + for (i = 0; i < ah->caps.max_txchains; i++) { REG_RMW_FIELD(ah, ctrl0[i], AR_PHY_PAPRD_CTRL0_USE_SINGLE_TABLE_MASK, 1); REG_RMW_FIELD(ah, ctrl1[i], @@ -102,8 +105,14 @@ static void ar9003_paprd_setup_single_table(struct ath_hw *ah) AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_NUM_CORR_STAGES, 7); REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3, AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_MIN_LOOPBACK_DEL, 1); - REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3, - AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_QUICK_DROP, -6); + if (AR_SREV_9485(ah)) + REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3, + AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_QUICK_DROP, + -3); + else + REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3, + AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_QUICK_DROP, + -6); REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3, AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_ADC_DESIRED_SIZE, -15); @@ -620,13 +629,15 @@ void ar9003_paprd_populate_single_table(struct ath_hw *ah, AR_PHY_PAPRD_CTRL1_PAPRD_POWER_AT_AM2AM_CAL, training_power); - REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL1_B1, - AR_PHY_PAPRD_CTRL1_PAPRD_POWER_AT_AM2AM_CAL, - training_power); + if (ah->caps.tx_chainmask & BIT(1)) + REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL1_B1, + AR_PHY_PAPRD_CTRL1_PAPRD_POWER_AT_AM2AM_CAL, + training_power); - REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL1_B2, - AR_PHY_PAPRD_CTRL1_PAPRD_POWER_AT_AM2AM_CAL, - training_power); + if (ah->caps.tx_chainmask & BIT(2)) + REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL1_B2, + AR_PHY_PAPRD_CTRL1_PAPRD_POWER_AT_AM2AM_CAL, + training_power); } EXPORT_SYMBOL(ar9003_paprd_populate_single_table); |