diff options
| author | Vasanthakumar Thiagarajan <vasanth@atheros.com> | 2010-12-06 04:27:49 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-12-07 16:34:57 -0500 |
| commit | 47e84dfb411fcaa51e12d94ab82570ec3aa86e32 (patch) | |
| tree | bf9bedb61b1e71de7e4c3a437b9a3ad380a7a27d /drivers/net | |
| parent | 9936e65fae6d95c2acc2438c60a8f4908130530e (diff) | |
| download | kernel_samsung_smdk4412-47e84dfb411fcaa51e12d94ab82570ec3aa86e32.tar.gz kernel_samsung_smdk4412-47e84dfb411fcaa51e12d94ab82570ec3aa86e32.tar.bz2 kernel_samsung_smdk4412-47e84dfb411fcaa51e12d94ab82570ec3aa86e32.zip | |
ath9k_hw: Read and configure antenna diversity control for AR9485
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 24 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_phy.h | 10 |
2 files changed, 30 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 819b0a6cb83..45fe5c2ec3b 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -3034,6 +3034,8 @@ static u32 ath9k_hw_ar9300_get_eeprom(struct ath_hw *ah, return !!(pBase->featureEnable & BIT(5)); case EEP_CHAIN_MASK_REDUCE: return (pBase->miscConfiguration >> 0x3) & 0x1; + case EEP_ANT_DIV_CTL1: + return le32_to_cpu(eep->base_ext1.ant_div_control); default: return 0; } @@ -3513,11 +3515,25 @@ static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz) value = ar9003_hw_ant_ctrl_chain_get(ah, 0, is2ghz); REG_RMW_FIELD(ah, AR_PHY_SWITCH_CHAIN_0, AR_SWITCH_TABLE_ALL, value); - value = ar9003_hw_ant_ctrl_chain_get(ah, 1, is2ghz); - REG_RMW_FIELD(ah, AR_PHY_SWITCH_CHAIN_1, AR_SWITCH_TABLE_ALL, value); + if (!AR_SREV_9485(ah)) { + value = ar9003_hw_ant_ctrl_chain_get(ah, 1, is2ghz); + REG_RMW_FIELD(ah, AR_PHY_SWITCH_CHAIN_1, AR_SWITCH_TABLE_ALL, + value); - value = ar9003_hw_ant_ctrl_chain_get(ah, 2, is2ghz); - REG_RMW_FIELD(ah, AR_PHY_SWITCH_CHAIN_2, AR_SWITCH_TABLE_ALL, value); + value = ar9003_hw_ant_ctrl_chain_get(ah, 2, is2ghz); + REG_RMW_FIELD(ah, AR_PHY_SWITCH_CHAIN_2, AR_SWITCH_TABLE_ALL, + value); + } + + if (AR_SREV_9485(ah)) { + value = ath9k_hw_ar9300_get_eeprom(ah, EEP_ANT_DIV_CTL1); + REG_RMW_FIELD(ah, AR_PHY_MC_GAIN_CTRL, AR_ANT_DIV_CTRL_ALL, + value); + REG_RMW_FIELD(ah, AR_PHY_MC_GAIN_CTRL, AR_ANT_DIV_ENABLE, + value >> 6); + REG_RMW_FIELD(ah, AR_PHY_CCK_DETECT, AR_FAST_DIV_ENABLE, + value >> 7); + } } static void ar9003_hw_drive_strength_apply(struct ath_hw *ah) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h index b7720819872..6e0d4adc1a6 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -260,7 +260,13 @@ #define AR_PHY_CCA_0 (AR_AGC_BASE + 0x1c) #define AR_PHY_EXT_CCA0 (AR_AGC_BASE + 0x20) #define AR_PHY_RESTART (AR_AGC_BASE + 0x24) + #define AR_PHY_MC_GAIN_CTRL (AR_AGC_BASE + 0x28) +#define AR_ANT_DIV_CTRL_ALL 0x7e000000 +#define AR_ANT_DIV_CTRL_ALL_S 25 +#define AR_ANT_DIV_ENABLE 0x1000000 +#define AR_ANT_DIV_ENABLE_S 24 + #define AR_PHY_EXTCHN_PWRTHR1 (AR_AGC_BASE + 0x2c) #define AR_PHY_EXT_CHN_WIN (AR_AGC_BASE + 0x30) #define AR_PHY_20_40_DET_THR (AR_AGC_BASE + 0x34) @@ -271,7 +277,11 @@ #define AR_PHY_RX_GAIN_BOUNDS_2 (AR_AGC_BASE + 0x48) #define AR_PHY_RSSI_0 (AR_AGC_BASE + 0x180) #define AR_PHY_SPUR_CCK_REP0 (AR_AGC_BASE + 0x184) + #define AR_PHY_CCK_DETECT (AR_AGC_BASE + 0x1c0) +#define AR_FAST_DIV_ENABLE 0x2000 +#define AR_FAST_DIV_ENABLE_S 13 + #define AR_PHY_DAG_CTRLCCK (AR_AGC_BASE + 0x1c4) #define AR_PHY_IQCORR_CTRL_CCK (AR_AGC_BASE + 0x1c8) |