ath9k_hw: Add support for AR946/8x chipsets.

This patch adds support for AR946/8x chipets.

Signed-off-by: Senthil Balasubramanian <senthilb@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 86 insertions, 23 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index cb4c32eaef6..0fc0595c59e 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -22,11 +22,13 @@
 #define COMP_HDR_LEN 4
 #define COMP_CKSUM_LEN 2
 
-#define AR_CH0_TOP (0x00016288)
+#define AR_CH0_TOP	(AR_SREV_9300(ah) ? 0x16288 : \
+				((AR_SREV_9480(ah) ? 0x1628c : 0x16280)))
 #define AR_CH0_TOP_XPABIASLVL (0x300)
 #define AR_CH0_TOP_XPABIASLVL_S (8)
 
-#define AR_CH0_THERM (0x00016290)
+#define AR_CH0_THERM	(AR_SREV_9300(ah) ? 0x16290 : \
+				((AR_SREV_9485(ah) ? 0x1628c : 0x16294)))
 #define AR_CH0_THERM_XPABIASLVL_MSB 0x3
 #define AR_CH0_THERM_XPABIASLVL_MSB_S 0
 #define AR_CH0_THERM_XPASHORT2GND 0x4
@@ -34,6 +36,11 @@
 
 #define AR_SWITCH_TABLE_COM_ALL (0xffff)
 #define AR_SWITCH_TABLE_COM_ALL_S (0)
+#define AR_SWITCH_TABLE_COM_AR9480_ALL (0xffffff)
+#define AR_SWITCH_TABLE_COM_AR9480_ALL_S (0)
+#define AR_SWITCH_TABLE_COM_SPDT (0x00f00000)
+#define AR_SWITCH_TABLE_COM_SPDT_ALL (0x0000fff0)
+#define AR_SWITCH_TABLE_COM_SPDT_ALL_S (4)
 
 #define AR_SWITCH_TABLE_COM2_ALL (0xffffff)
 #define AR_SWITCH_TABLE_COM2_ALL_S (0)
@@ -158,7 +165,7 @@ static const struct ar9300_eeprom ar9300_default = {
 		.papdRateMaskHt20 = LE32(0x0cf0e0e0),
 		.papdRateMaskHt40 = LE32(0x6cf0e0e0),
 		.futureModal = {
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0,
 		},
 	 },
 	.base_ext1 = {
@@ -360,7 +367,7 @@ static const struct ar9300_eeprom ar9300_default = {
 		.papdRateMaskHt20 = LE32(0x0c80c080),
 		.papdRateMaskHt40 = LE32(0x0080c080),
 		.futureModal = {
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0,
 		},
 	 },
 	.base_ext2 = {
@@ -735,7 +742,7 @@ static const struct ar9300_eeprom ar9300_x113 = {
 		.papdRateMaskHt20 = LE32(0x0c80c080),
 		.papdRateMaskHt40 = LE32(0x0080c080),
 		.futureModal = {
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0,
 		},
 	 },
 	 .base_ext1 = {
@@ -937,7 +944,7 @@ static const struct ar9300_eeprom ar9300_x113 = {
 		.papdRateMaskHt20 = LE32(0x0cf0e0e0),
 		.papdRateMaskHt40 = LE32(0x6cf0e0e0),
 		.futureModal = {
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0,
 		},
 	 },
 	.base_ext2 = {
@@ -1313,7 +1320,7 @@ static const struct ar9300_eeprom ar9300_h112 = {
 		.papdRateMaskHt20 = LE32(0x80c080),
 		.papdRateMaskHt40 = LE32(0x80c080),
 		.futureModal = {
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0,
 		},
 	},
 	.base_ext1 = {
@@ -1515,7 +1522,7 @@ static const struct ar9300_eeprom ar9300_h112 = {
 		.papdRateMaskHt20 = LE32(0x0cf0e0e0),
 		.papdRateMaskHt40 = LE32(0x6cf0e0e0),
 		.futureModal = {
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0,
 		},
 	},
 	.base_ext2 = {
@@ -1891,7 +1898,7 @@ static const struct ar9300_eeprom ar9300_x112 = {
 		.papdRateMaskHt20 = LE32(0x0c80c080),
 		.papdRateMaskHt40 = LE32(0x0080c080),
 		.futureModal = {
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0,
 		},
 	},
 	.base_ext1 = {
@@ -2093,7 +2100,7 @@ static const struct ar9300_eeprom ar9300_x112 = {
 		.papdRateMaskHt20 = LE32(0x0cf0e0e0),
 		.papdRateMaskHt40 = LE32(0x6cf0e0e0),
 		.futureModal = {
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0,
 		},
 	},
 	.base_ext2 = {
@@ -2468,7 +2475,7 @@ static const struct ar9300_eeprom ar9300_h116 = {
 		.papdRateMaskHt20 = LE32(0x0c80C080),
 		.papdRateMaskHt40 = LE32(0x0080C080),
 		.futureModal = {
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0,
 		},
 	 },
 	 .base_ext1 = {
@@ -2670,7 +2677,7 @@ static const struct ar9300_eeprom ar9300_h116 = {
 		.papdRateMaskHt20 = LE32(0x0cf0e0e0),
 		.papdRateMaskHt40 = LE32(0x6cf0e0e0),
 		.futureModal = {
-			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0,
 		},
 	 },
 	.base_ext2 = {
@@ -3573,6 +3580,8 @@ static void ar9003_hw_xpa_bias_level_apply(struct ath_hw *ah, bool is2ghz)
 
 	if (AR_SREV_9485(ah) || AR_SREV_9330(ah) || AR_SREV_9340(ah))
 		REG_RMW_FIELD(ah, AR_CH0_TOP2, AR_CH0_TOP2_XPABIASLVL, bias);
+	else if (AR_SREV_9480(ah))
+		REG_RMW_FIELD(ah, AR_CH0_TOP, AR_CH0_TOP_XPABIASLVL, bias);
 	else {
 		REG_RMW_FIELD(ah, AR_CH0_TOP, AR_CH0_TOP_XPABIASLVL, bias);
 		REG_RMW_FIELD(ah, AR_CH0_THERM,
@@ -3583,6 +3592,19 @@ static void ar9003_hw_xpa_bias_level_apply(struct ath_hw *ah, bool is2ghz)
 	}
 }
 
+static u16 ar9003_switch_com_spdt_get(struct ath_hw *ah, bool is_2ghz)
+{
+	struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
+	__le32 val;
+
+	if (is_2ghz)
+		val = eep->modalHeader2G.switchcomspdt;
+	else
+		val = eep->modalHeader5G.switchcomspdt;
+	return le32_to_cpu(val);
+}
+
+
 static u32 ar9003_hw_ant_ctrl_common_get(struct ath_hw *ah, bool is2ghz)
 {
 	struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
@@ -3637,7 +3659,36 @@ static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz)
 
 	u32 value = ar9003_hw_ant_ctrl_common_get(ah, is2ghz);
 
-	REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM, AR_SWITCH_TABLE_COM_ALL, value);
+	if (AR_SREV_9480(ah)) {
+		if (AR_SREV_9480_10(ah)) {
+			value &= ~AR_SWITCH_TABLE_COM_SPDT;
+			value |= 0x00100000;
+		}
+		REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM,
+				AR_SWITCH_TABLE_COM_AR9480_ALL, value);
+	} else
+		REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM,
+			      AR_SWITCH_TABLE_COM_ALL, value);
+
+
+	/*
+	 *   AR9480 defines new switch table for BT/WLAN,
+	 *       here's new field name in XXX.ref for both 2G and 5G.
+	 *   Register: [GLB_CONTROL] GLB_CONTROL (@0x20044)
+	 *   15:12   R/W     SWITCH_TABLE_COM_SPDT_WLAN_RX
+	 * SWITCH_TABLE_COM_SPDT_WLAN_RX
+	 *
+	 *   11:8     R/W     SWITCH_TABLE_COM_SPDT_WLAN_TX
+	 * SWITCH_TABLE_COM_SPDT_WLAN_TX
+	 *
+	 *   7:4 R/W  SWITCH_TABLE_COM_SPDT_WLAN_IDLE
+	 * SWITCH_TABLE_COM_SPDT_WLAN_IDLE
+	 */
+	if (AR_SREV_9480_20_OR_LATER(ah)) {
+		value = ar9003_switch_com_spdt_get(ah, is2ghz);
+		REG_RMW_FIELD(ah, AR_PHY_GLB_CONTROL,
+				AR_SWITCH_TABLE_COM_SPDT_ALL, value);
+	}
 
 	value = ar9003_hw_ant_ctrl_common_2_get(ah, is2ghz);
 	REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM_2, AR_SWITCH_TABLE_COM2_ALL, value);
@@ -3837,6 +3888,7 @@ static void ar9003_hw_internal_regulator_apply(struct ath_hw *ah)
 {
 	int internal_regulator =
 		ath9k_hw_ar9300_get_eeprom(ah, EEP_INTERNAL_REGULATOR);
+	u32 reg_val;
 
 	if (internal_regulator) {
 		if (AR_SREV_9330(ah) || AR_SREV_9485(ah)) {
@@ -3881,13 +3933,16 @@ static void ar9003_hw_internal_regulator_apply(struct ath_hw *ah)
 			REG_WRITE(ah, AR_PHY_PMU2, reg_pmu_set);
 			if (!is_pmu_set(ah, AR_PHY_PMU2, reg_pmu_set))
 				return;
+		} else if (AR_SREV_9480(ah)) {
+			reg_val = ath9k_hw_ar9300_get_eeprom(ah, EEP_SWREG);
+			REG_WRITE(ah, AR_PHY_PMU1, reg_val);
 		} else {
 			/* Internal regulator is ON. Write swreg register. */
-			int swreg = ath9k_hw_ar9300_get_eeprom(ah, EEP_SWREG);
+			reg_val = ath9k_hw_ar9300_get_eeprom(ah, EEP_SWREG);
 			REG_WRITE(ah, AR_RTC_REG_CONTROL1,
 				  REG_READ(ah, AR_RTC_REG_CONTROL1) &
 				  (~AR_RTC_REG_CONTROL1_SWREG_PROGRAM));
-			REG_WRITE(ah, AR_RTC_REG_CONTROL0, swreg);
+			REG_WRITE(ah, AR_RTC_REG_CONTROL0, reg_val);
 			/* Set REG_CONTROL1.SWREG_PROGRAM */
 			REG_WRITE(ah, AR_RTC_REG_CONTROL1,
 				  REG_READ(ah,
@@ -3898,22 +3953,24 @@ static void ar9003_hw_internal_regulator_apply(struct ath_hw *ah)
 		if (AR_SREV_9330(ah) || AR_SREV_9485(ah)) {
 			REG_RMW_FIELD(ah, AR_PHY_PMU2, AR_PHY_PMU2_PGM, 0);
 			while (REG_READ_FIELD(ah, AR_PHY_PMU2,
-					      AR_PHY_PMU2_PGM))
+						AR_PHY_PMU2_PGM))
 				udelay(10);
 
 			REG_RMW_FIELD(ah, AR_PHY_PMU1, AR_PHY_PMU1_PWD, 0x1);
 			while (!REG_READ_FIELD(ah, AR_PHY_PMU1,
-					       AR_PHY_PMU1_PWD))
+						AR_PHY_PMU1_PWD))
 				udelay(10);
 			REG_RMW_FIELD(ah, AR_PHY_PMU2, AR_PHY_PMU2_PGM, 0x1);
 			while (!REG_READ_FIELD(ah, AR_PHY_PMU2,
-					      AR_PHY_PMU2_PGM))
+						AR_PHY_PMU2_PGM))
 				udelay(10);
-		} else
-			REG_WRITE(ah, AR_RTC_SLEEP_CLK,
-				  (REG_READ(ah,
-				   AR_RTC_SLEEP_CLK) |
-				   AR_RTC_FORCE_SWREG_PRD));
+		} else if (AR_SREV_9480(ah))
+			REG_RMW_FIELD(ah, AR_PHY_PMU1, AR_PHY_PMU1_PWD, 0x1);
+		else {
+			reg_val = REG_READ(ah, AR_RTC_SLEEP_CLK) |
+				AR_RTC_FORCE_SWREG_PRD;
+			REG_WRITE(ah, AR_RTC_SLEEP_CLK, reg_val);
+		}
 	}
 
 }
@@ -4493,6 +4550,12 @@ static int ar9003_hw_power_control_override(struct ath_hw *ah,
 		tempSlope = eep->modalHeader5G.tempSlope;
 
 	REG_RMW_FIELD(ah, AR_PHY_TPC_19, AR_PHY_TPC_19_ALPHA_THERM, tempSlope);
+
+	if (AR_SREV_9480_20(ah))
+		REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
+			      AR_PHY_TPC_19_B1_ALPHA_THERM, tempSlope);
+
+
 	REG_RMW_FIELD(ah, AR_PHY_TPC_18, AR_PHY_TPC_18_THERM_CAL_VALUE,
 		      temperature[0]);