From: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Date: Mon, 10 Sep 2012 11:35:11 +0000 (+0530)
Subject: ath9k_hw: add 8 points for 5G temp slop
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=420e2b1b4a9120b6f89bc98e37173a6b2a48a798;p=openwrt%2Fstaging%2Fblogic.git

ath9k_hw: add 8 points for 5G temp slop

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.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 185c990353d2..a25299375bb4 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -138,7 +138,8 @@ static const struct ar9300_eeprom ar9300_default = {
 	 },
 	.base_ext1 = {
 		.ant_div_control = 0,
-		.future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+		.future = {0, 0, 0},
+		.tempslopextension = {0, 0, 0, 0, 0, 0, 0, 0}
 	},
 	.calFreqPier2G = {
 		FREQ2FBIN(2412, 1),
@@ -713,7 +714,8 @@ static const struct ar9300_eeprom ar9300_x113 = {
 	 },
 	 .base_ext1 = {
 		.ant_div_control = 0,
-		.future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+		.future = {0, 0, 0},
+		.tempslopextension = {0, 0, 0, 0, 0, 0, 0, 0}
 	 },
 	.calFreqPier2G = {
 		FREQ2FBIN(2412, 1),
@@ -1289,7 +1291,8 @@ static const struct ar9300_eeprom ar9300_h112 = {
 	},
 	.base_ext1 = {
 		.ant_div_control = 0,
-		.future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+		.future = {0, 0, 0},
+		.tempslopextension = {0, 0, 0, 0, 0, 0, 0, 0}
 	},
 	.calFreqPier2G = {
 		FREQ2FBIN(2412, 1),
@@ -1865,7 +1868,8 @@ static const struct ar9300_eeprom ar9300_x112 = {
 	},
 	.base_ext1 = {
 		.ant_div_control = 0,
-		.future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+		.future = {0, 0, 0},
+		.tempslopextension = {0, 0, 0, 0, 0, 0, 0, 0}
 	},
 	.calFreqPier2G = {
 		FREQ2FBIN(2412, 1),
@@ -2440,7 +2444,8 @@ static const struct ar9300_eeprom ar9300_h116 = {
 	 },
 	 .base_ext1 = {
 		.ant_div_control = 0,
-		.future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+		.future = {0, 0, 0},
+		.tempslopextension = {0, 0, 0, 0, 0, 0, 0, 0}
 	 },
 	.calFreqPier2G = {
 		FREQ2FBIN(2412, 1),
@@ -4586,7 +4591,7 @@ static int ar9003_hw_power_control_override(struct ath_hw *ah,
 {
 	int tempSlope = 0;
 	struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
-	int f[3], t[3];
+	int f[8], t[8], i;
 
 	REG_RMW(ah, AR_PHY_TPC_11_B0,
 		(correction[0] << AR_PHY_TPC_OLPC_GAIN_DELTA_S),
@@ -4619,7 +4624,14 @@ static int ar9003_hw_power_control_override(struct ath_hw *ah,
 	 */
 	if (frequency < 4000)
 		tempSlope = eep->modalHeader2G.tempSlope;
-	else if (eep->base_ext2.tempSlopeLow != 0) {
+	else if ((eep->baseEepHeader.miscConfiguration & 0x20) != 0) {
+		for (i = 0; i < 8; i++) {
+			t[i] = eep->base_ext1.tempslopextension[i];
+			f[i] = FBIN2FREQ(eep->calFreqPier5G[i], 0);
+		}
+		tempSlope = ar9003_hw_power_interpolate((s32) frequency,
+							f, t, 8);
+	} else if (eep->base_ext2.tempSlopeLow != 0) {
 		t[0] = eep->base_ext2.tempSlopeLow;
 		f[0] = 5180;
 		t[1] = eep->modalHeader5G.tempSlope;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
index 3a1ff55bceb9..41b1a75e6bec 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
@@ -267,7 +267,8 @@ struct cal_ctl_data_5g {
 
 struct ar9300_BaseExtension_1 {
 	u8 ant_div_control;
-	u8 future[11];
+	u8 future[3];
+	u8 tempslopextension[8];
 	int8_t quick_drop_low;
 	int8_t quick_drop_high;
 } __packed;
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h
index 7e1da18d09df..319c651fa6c5 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/eeprom.h
@@ -96,6 +96,7 @@
 
 #define ATH9K_POW_SM(_r, _s)	(((_r) & 0x3f) << (_s))
 #define FREQ2FBIN(x, y)		((y) ? ((x) - 2300) : (((x) - 4800) / 5))
+#define FBIN2FREQ(x, y)		((y) ? (2300 + x) : (4800 + 5 * x))
 #define ath9k_hw_use_flash(_ah)	(!(_ah->ah_flags & AH_USE_EEPROM))
 
 #define AR5416_VER_MASK (eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK)