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path: root/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_paprd.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_paprd.c87
1 files changed, 64 insertions, 23 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
index 0ed3846f9cbb..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 (delta < 4)
- power -= 4 - delta;
+ 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;
+ }
return power;
}
@@ -169,6 +177,9 @@ static int ar9003_paprd_setup_single_table(struct ath_hw *ah)
REG_RMW_FIELD(ah, AR_PHY_PAPRD_HT40, AR_PHY_PAPRD_HT40_MASK,
ah->paprd_ratemask_ht40);
+ ath_dbg(common, CALIBRATE, "PAPRD HT20 mask: 0x%x, HT40 mask: 0x%x\n",
+ ah->paprd_ratemask, ah->paprd_ratemask_ht40);
+
for (i = 0; i < ah->caps.max_txchains; i++) {
REG_RMW_FIELD(ah, ctrl0[i],
AR_PHY_PAPRD_CTRL0_USE_SINGLE_TABLE_MASK, 1);
@@ -204,7 +215,20 @@ static int ar9003_paprd_setup_single_table(struct ath_hw *ah)
AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_AGC2_SETTLING, 28);
REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL1,
AR_PHY_PAPRD_TRAINER_CNTL1_CF_CF_PAPRD_TRAIN_ENABLE, 1);
- val = AR_SREV_9462(ah) ? 0x91 : 147;
+
+ if (AR_SREV_9485(ah)) {
+ val = 148;
+ } else {
+ if (IS_CHAN_2GHZ(ah->curchan)) {
+ if (AR_SREV_9462(ah) || AR_SREV_9565(ah))
+ val = 145;
+ else
+ val = 147;
+ } else {
+ val = 137;
+ }
+ }
+
REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL2,
AR_PHY_PAPRD_TRAINER_CNTL2_CF_PAPRD_INIT_RX_BB_GAIN, val);
REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3,
@@ -215,15 +239,24 @@ static int 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);
- if (AR_SREV_9485(ah) || AR_SREV_9462(ah) || AR_SREV_9550(ah))
+
+ if (AR_SREV_9485(ah) ||
+ AR_SREV_9462(ah) ||
+ AR_SREV_9565(ah) ||
+ AR_SREV_9550(ah) ||
+ AR_SREV_9330(ah) ||
+ AR_SREV_9340(ah))
REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3,
- AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_QUICK_DROP,
- -3);
+ 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);
- val = AR_SREV_9462(ah) ? -10 : -15;
+ AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_QUICK_DROP, -6);
+
+ val = -10;
+
+ if (IS_CHAN_2GHZ(ah->curchan) && !AR_SREV_9462(ah) && !AR_SREV_9565(ah))
+ val = -15;
+
REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3,
AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_ADC_DESIRED_SIZE,
val);
@@ -262,9 +295,6 @@ static void ar9003_paprd_get_gain_table(struct ath_hw *ah)
u32 reg = AR_PHY_TXGAIN_TABLE;
int i;
- memset(entry, 0, sizeof(ah->paprd_gain_table_entries));
- memset(index, 0, sizeof(ah->paprd_gain_table_index));
-
for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
entry[i] = REG_READ(ah, reg);
index[i] = (entry[i] >> 24) & 0xff;
@@ -763,7 +793,7 @@ void ar9003_paprd_populate_single_table(struct ath_hw *ah,
}
EXPORT_SYMBOL(ar9003_paprd_populate_single_table);
-int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain)
+void ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain)
{
unsigned int i, desired_gain, gain_index;
unsigned int train_power = ah->paprd_training_power;
@@ -781,8 +811,6 @@ int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain)
REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1,
AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
-
- return 0;
}
EXPORT_SYMBOL(ar9003_paprd_setup_gain_table);
@@ -894,7 +922,7 @@ int ar9003_paprd_create_curve(struct ath_hw *ah,
memset(caldata->pa_table[chain], 0, sizeof(caldata->pa_table[chain]));
- buf = kmalloc(2 * 48 * sizeof(u32), GFP_ATOMIC);
+ buf = kmalloc(2 * 48 * sizeof(u32), GFP_KERNEL);
if (!buf)
return -ENOMEM;
@@ -945,9 +973,13 @@ EXPORT_SYMBOL(ar9003_paprd_init_table);
bool ar9003_paprd_is_done(struct ath_hw *ah)
{
int paprd_done, agc2_pwr;
+
paprd_done = REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1,
AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
+ if (AR_SREV_9485(ah))
+ goto exit;
+
if (paprd_done == 0x1) {
agc2_pwr = REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1,
AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_AGC2_PWR);
@@ -963,7 +995,16 @@ bool ar9003_paprd_is_done(struct ath_hw *ah)
if (agc2_pwr <= PAPRD_IDEAL_AGC2_PWR_RANGE)
paprd_done = 0;
}
-
+exit:
return !!paprd_done;
}
EXPORT_SYMBOL(ar9003_paprd_is_done);
+
+bool ar9003_is_paprd_enabled(struct ath_hw *ah)
+{
+ if ((ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->config.enable_paprd)
+ return true;
+
+ return false;
+}
+EXPORT_SYMBOL(ar9003_is_paprd_enabled);