ath9k: INI update for atheros chipets.

init values update for various atheros chipsets.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath9k/eeprom.c

@@ -1584,6 +1584,11 @@ u32 ath9k_hw_get_eeprom(struct ath_hal *ah,
 		return pBase->txMask;
 	case EEP_RX_MASK:
 		return pBase->rxMask;
+	case EEP_RXGAIN_TYPE:
+		return pBase->rxGainType;
+	case EEP_TXGAIN_TYPE:
+		return pBase->txGainType;
+
 	default:
 		return 0;
 	}

drivers/net/wireless/ath9k/hw.c

@@ -557,6 +557,54 @@ static int ath9k_hw_init_macaddr(struct ath_hal *ah)
 	return 0;
 }
 
+static void ath9k_hw_init_rxgain_ini(struct ath_hal *ah)
+{
+	u32 rxgain_type;
+	struct ath_hal_5416 *ahp = AH5416(ah);
+
+	if (ath9k_hw_get_eeprom(ah, EEP_MINOR_REV) >= AR5416_EEP_MINOR_VER_17) {
+		rxgain_type = ath9k_hw_get_eeprom(ah, EEP_RXGAIN_TYPE);
+
+		if (rxgain_type == AR5416_EEP_RXGAIN_13DB_BACKOFF)
+			INIT_INI_ARRAY(&ahp->ah_iniModesRxGain,
+			ar9280Modes_backoff_13db_rxgain_9280_2,
+			ARRAY_SIZE(ar9280Modes_backoff_13db_rxgain_9280_2), 6);
+		else if (rxgain_type == AR5416_EEP_RXGAIN_23DB_BACKOFF)
+			INIT_INI_ARRAY(&ahp->ah_iniModesRxGain,
+			ar9280Modes_backoff_23db_rxgain_9280_2,
+			ARRAY_SIZE(ar9280Modes_backoff_23db_rxgain_9280_2), 6);
+		else
+			INIT_INI_ARRAY(&ahp->ah_iniModesRxGain,
+			ar9280Modes_original_rxgain_9280_2,
+			ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
+	} else
+		INIT_INI_ARRAY(&ahp->ah_iniModesRxGain,
+			ar9280Modes_original_rxgain_9280_2,
+			ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
+}
+
+static void ath9k_hw_init_txgain_ini(struct ath_hal *ah)
+{
+	u32 txgain_type;
+	struct ath_hal_5416 *ahp = AH5416(ah);
+
+	if (ath9k_hw_get_eeprom(ah, EEP_MINOR_REV) >= AR5416_EEP_MINOR_VER_19) {
+		txgain_type = ath9k_hw_get_eeprom(ah, EEP_TXGAIN_TYPE);
+
+		if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER)
+			INIT_INI_ARRAY(&ahp->ah_iniModesTxGain,
+			ar9280Modes_high_power_tx_gain_9280_2,
+			ARRAY_SIZE(ar9280Modes_high_power_tx_gain_9280_2), 6);
+		else
+			INIT_INI_ARRAY(&ahp->ah_iniModesTxGain,
+			ar9280Modes_original_tx_gain_9280_2,
+			ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
+	} else
+		INIT_INI_ARRAY(&ahp->ah_iniModesTxGain,
+		ar9280Modes_original_tx_gain_9280_2,
+		ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
+}
+
 static int ath9k_hw_post_attach(struct ath_hal *ah)
 {
 	int ecode;
@@ -800,6 +848,14 @@ static struct ath_hal *ath9k_hw_do_attach(u16 devid, struct ath_softc *sc,
 	if (ecode != 0)
 		goto bad;
 
+	/* rxgain table */
+	if (AR_SREV_9280_20_OR_LATER(ah))
+		ath9k_hw_init_rxgain_ini(ah);
+
+	/* txgain table */
+	if (AR_SREV_9280_20_OR_LATER(ah))
+		ath9k_hw_init_txgain_ini(ah);
+
 #ifndef CONFIG_SLOW_ANT_DIV
 	if (ah->ah_devid == AR9280_DEVID_PCI) {
 		for (i = 0; i < ahp->ah_iniModes.ia_rows; i++) {
@@ -1258,6 +1314,12 @@ static int ath9k_hw_process_ini(struct ath_hal *ah,
 		DO_DELAY(regWrites);
 	}
 
+	if (AR_SREV_9280_20_OR_LATER(ah))
+		REG_WRITE_ARRAY(&ahp->ah_iniModesRxGain, modesIndex, regWrites);
+
+	if (AR_SREV_9280_20_OR_LATER(ah))
+		REG_WRITE_ARRAY(&ahp->ah_iniModesTxGain, modesIndex, regWrites);
+
 	for (i = 0; i < ahp->ah_iniCommon.ia_rows; i++) {
 		u32 reg = INI_RA(&ahp->ah_iniCommon, i, 0);
 		u32 val = INI_RA(&ahp->ah_iniCommon, i, 1);

drivers/net/wireless/ath9k/hw.h

@@ -415,6 +415,9 @@ struct ar5416Stats {
 #define AR5416_EEP_MINOR_VER_3       0x3
 #define AR5416_EEP_MINOR_VER_7       0x7
 #define AR5416_EEP_MINOR_VER_9       0x9
+#define AR5416_EEP_MINOR_VER_16      0x10
+#define AR5416_EEP_MINOR_VER_17      0x11
+#define AR5416_EEP_MINOR_VER_19      0x13
 
 #define AR5416_NUM_5G_CAL_PIERS         8
 #define AR5416_NUM_2G_CAL_PIERS         4
@@ -436,6 +439,16 @@ struct ar5416Stats {
 #define AR5416_MAX_CHAINS               3
 #define AR5416_PWR_TABLE_OFFSET         -5
 
+/* Rx gain type values */
+#define AR5416_EEP_RXGAIN_23DB_BACKOFF     0
+#define AR5416_EEP_RXGAIN_13DB_BACKOFF     1
+#define AR5416_EEP_RXGAIN_ORIG             2
+
+/* Tx gain type values */
+#define AR5416_EEP_TXGAIN_ORIGINAL         0
+#define AR5416_EEP_TXGAIN_HIGH_POWER       1
+
+
 enum eeprom_param {
 	EEP_NFTHRESH_5,
 	EEP_NFTHRESH_2,
@@ -454,6 +467,8 @@ enum eeprom_param {
 	EEP_MINOR_REV,
 	EEP_TX_MASK,
 	EEP_RX_MASK,
+	EEP_RXGAIN_TYPE,
+	EEP_TXGAIN_TYPE,
 };
 
 enum ar5416_rates {
@@ -485,7 +500,11 @@ struct base_eep_header {
 	u32 binBuildNumber;
 	u8 deviceType;
 	u8 pwdclkind;
-	u8 futureBase[32];
+	u8 futureBase_1[2];
+	u8 rxGainType;
+	u8 futureBase_2[3];
+	u8 txGainType;
+	u8 futureBase_3[25];
 } __packed;
 
 struct spur_chan {
@@ -792,6 +811,8 @@ struct ath_hal_5416 {
 	struct ar5416IniArray ah_iniAddac;
 	struct ar5416IniArray ah_iniPcieSerdes;
 	struct ar5416IniArray ah_iniModesAdditional;
+	struct ar5416IniArray ah_iniModesRxGain;
+	struct ar5416IniArray ah_iniModesTxGain;
 };
 #define AH5416(_ah) ((struct ath_hal_5416 *)(_ah))