From: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>
Cc: muddin@xxxxxxxxxxxxxxxx
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/ar9003_paprd.c | 34 +++++++++++++++++-------
drivers/net/wireless/ath/ath9k/ar9003_phy.h | 3 ++
2 files changed, 27 insertions(+), 10 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
index 8f6d11d..6e9e892 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
@@ -246,13 +246,13 @@ static void ar9003_paprd_get_gain_table(struct ath_hw *ah)
static unsigned int ar9003_get_desired_gain(struct ath_hw *ah, int chain,
int target_power)
{
- int olpc_gain_delta = 0;
+ int olpc_gain_delta = 0, cl_gain_mod;
int alpha_therm, alpha_volt;
int therm_cal_value, volt_cal_value;
int therm_value, volt_value;
int thermal_gain_corr, voltage_gain_corr;
int desired_scale, desired_gain = 0;
- u32 reg;
+ u32 reg_olpc = 0, reg_cl_gain = 0;
REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1,
AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
@@ -271,15 +271,29 @@ static unsigned int ar9003_get_desired_gain(struct ath_hw *ah, int chain,
volt_value = REG_READ_FIELD(ah, AR_PHY_BB_THERM_ADC_4,
AR_PHY_BB_THERM_ADC_4_LATEST_VOLT_VALUE);
- if (chain == 0)
- reg = AR_PHY_TPC_11_B0;
- else if (chain == 1)
- reg = AR_PHY_TPC_11_B1;
- else
- reg = AR_PHY_TPC_11_B2;
+ switch (chain) {
+ case 0:
+ reg_olpc = AR_PHY_TPC_11_B0;
+ reg_cl_gain = AR_PHY_CL_TAB_0;
+ break;
+ case 1:
+ reg_olpc = AR_PHY_TPC_11_B1;
+ reg_cl_gain = AR_PHY_CL_TAB_1;
+ break;
+ case 2:
+ reg_olpc = AR_PHY_TPC_11_B2;
+ reg_cl_gain = AR_PHY_CL_TAB_2;
+ break;
+ default:
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+ "Invalid chainmask: %d\n", chain);
+ break;
+ }
- olpc_gain_delta = REG_READ_FIELD(ah, reg,
+ olpc_gain_delta = REG_READ_FIELD(ah, reg_olpc,
AR_PHY_TPC_11_OLPC_GAIN_DELTA);
+ cl_gain_mod = REG_READ_FIELD(ah, reg_cl_gain,
+ AR_PHY_CL_TAB_CL_GAIN_MOD);
if (olpc_gain_delta >= 128)
olpc_gain_delta = olpc_gain_delta - 256;
@@ -289,7 +303,7 @@ static unsigned int ar9003_get_desired_gain(struct ath_hw *ah, int chain,
voltage_gain_corr = (alpha_volt * (volt_value - volt_cal_value) +
(128 / 2)) / 128;
desired_gain = target_power - olpc_gain_delta - thermal_gain_corr -
- voltage_gain_corr + desired_scale;
+ voltage_gain_corr + desired_scale + cl_gain_mod;
return desired_gain;
}
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
index 9eb3aa2..6de3f0b 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -1121,6 +1121,9 @@
#define AR_PHY_POWERTX_RATE8_POWERTXHT40_5 0x3F00
#define AR_PHY_POWERTX_RATE8_POWERTXHT40_5_S 8
+#define AR_PHY_CL_TAB_CL_GAIN_MOD 0x1f
+#define AR_PHY_CL_TAB_CL_GAIN_MOD_S 0
+
void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
#endif /* AR9003_PHY_H */
--
1.7.0.4
--
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