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>
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 819b0a6..45fe5c2 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3034,6 +3034,8 @@
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 @@
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)