1 files changed, 253 insertions, 385 deletions

diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index e94216e1e10..3218ca99474 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2009 Atheros Communications Inc.
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,6 +14,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <asm/unaligned.h>
 #include "hw.h"
 #include "ar9002_phy.h"
 
@@ -86,44 +87,193 @@ static int ath9k_hw_def_get_eeprom_rev(struct ath_hw *ah)
 	return ((ah->eeprom.def.baseEepHeader.version) & 0xFFF);
 }
 
-static bool ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
-{
 #define SIZE_EEPROM_DEF (sizeof(struct ar5416_eeprom_def) / sizeof(u16))
-	struct ath_common *common = ath9k_hw_common(ah);
+
+static bool __ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
+{
 	u16 *eep_data = (u16 *)&ah->eeprom.def;
 	int addr, ar5416_eep_start_loc = 0x100;
 
 	for (addr = 0; addr < SIZE_EEPROM_DEF; addr++) {
-		if (!ath9k_hw_nvram_read(common, addr + ar5416_eep_start_loc,
-					 eep_data)) {
-			ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
-				  "Unable to read eeprom region\n");
+		if (!ath9k_hw_nvram_read(ah, addr + ar5416_eep_start_loc,
+					 eep_data))
 			return false;
-		}
 		eep_data++;
 	}
 	return true;
+}
+
+static bool __ath9k_hw_usb_def_fill_eeprom(struct ath_hw *ah)
+{
+	u16 *eep_data = (u16 *)&ah->eeprom.def;
+
+	ath9k_hw_usb_gen_fill_eeprom(ah, eep_data,
+				     0x100, SIZE_EEPROM_DEF);
+	return true;
+}
+
+static bool ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+
+	if (!ath9k_hw_use_flash(ah)) {
+		ath_dbg(common, EEPROM, "Reading from EEPROM, not flash\n");
+	}
+
+	if (common->bus_ops->ath_bus_type == ATH_USB)
+		return __ath9k_hw_usb_def_fill_eeprom(ah);
+	else
+		return __ath9k_hw_def_fill_eeprom(ah);
+}
+
 #undef SIZE_EEPROM_DEF
+
+#if defined(CONFIG_ATH9K_DEBUGFS) || defined(CONFIG_ATH9K_HTC_DEBUGFS)
+static u32 ath9k_def_dump_modal_eeprom(char *buf, u32 len, u32 size,
+				       struct modal_eep_header *modal_hdr)
+{
+	PR_EEP("Chain0 Ant. Control", modal_hdr->antCtrlChain[0]);
+	PR_EEP("Chain1 Ant. Control", modal_hdr->antCtrlChain[1]);
+	PR_EEP("Chain2 Ant. Control", modal_hdr->antCtrlChain[2]);
+	PR_EEP("Ant. Common Control", modal_hdr->antCtrlCommon);
+	PR_EEP("Chain0 Ant. Gain", modal_hdr->antennaGainCh[0]);
+	PR_EEP("Chain1 Ant. Gain", modal_hdr->antennaGainCh[1]);
+	PR_EEP("Chain2 Ant. Gain", modal_hdr->antennaGainCh[2]);
+	PR_EEP("Switch Settle", modal_hdr->switchSettling);
+	PR_EEP("Chain0 TxRxAtten", modal_hdr->txRxAttenCh[0]);
+	PR_EEP("Chain1 TxRxAtten", modal_hdr->txRxAttenCh[1]);
+	PR_EEP("Chain2 TxRxAtten", modal_hdr->txRxAttenCh[2]);
+	PR_EEP("Chain0 RxTxMargin", modal_hdr->rxTxMarginCh[0]);
+	PR_EEP("Chain1 RxTxMargin", modal_hdr->rxTxMarginCh[1]);
+	PR_EEP("Chain2 RxTxMargin", modal_hdr->rxTxMarginCh[2]);
+	PR_EEP("ADC Desired size", modal_hdr->adcDesiredSize);
+	PR_EEP("PGA Desired size", modal_hdr->pgaDesiredSize);
+	PR_EEP("Chain0 xlna Gain", modal_hdr->xlnaGainCh[0]);
+	PR_EEP("Chain1 xlna Gain", modal_hdr->xlnaGainCh[1]);
+	PR_EEP("Chain2 xlna Gain", modal_hdr->xlnaGainCh[2]);
+	PR_EEP("txEndToXpaOff", modal_hdr->txEndToXpaOff);
+	PR_EEP("txEndToRxOn", modal_hdr->txEndToRxOn);
+	PR_EEP("txFrameToXpaOn", modal_hdr->txFrameToXpaOn);
+	PR_EEP("CCA Threshold)", modal_hdr->thresh62);
+	PR_EEP("Chain0 NF Threshold", modal_hdr->noiseFloorThreshCh[0]);
+	PR_EEP("Chain1 NF Threshold", modal_hdr->noiseFloorThreshCh[1]);
+	PR_EEP("Chain2 NF Threshold", modal_hdr->noiseFloorThreshCh[2]);
+	PR_EEP("xpdGain", modal_hdr->xpdGain);
+	PR_EEP("External PD", modal_hdr->xpd);
+	PR_EEP("Chain0 I Coefficient", modal_hdr->iqCalICh[0]);
+	PR_EEP("Chain1 I Coefficient", modal_hdr->iqCalICh[1]);
+	PR_EEP("Chain2 I Coefficient", modal_hdr->iqCalICh[2]);
+	PR_EEP("Chain0 Q Coefficient", modal_hdr->iqCalQCh[0]);
+	PR_EEP("Chain1 Q Coefficient", modal_hdr->iqCalQCh[1]);
+	PR_EEP("Chain2 Q Coefficient", modal_hdr->iqCalQCh[2]);
+	PR_EEP("pdGainOverlap", modal_hdr->pdGainOverlap);
+	PR_EEP("Chain0 OutputBias", modal_hdr->ob);
+	PR_EEP("Chain0 DriverBias", modal_hdr->db);
+	PR_EEP("xPA Bias Level", modal_hdr->xpaBiasLvl);
+	PR_EEP("2chain pwr decrease", modal_hdr->pwrDecreaseFor2Chain);
+	PR_EEP("3chain pwr decrease", modal_hdr->pwrDecreaseFor3Chain);
+	PR_EEP("txFrameToDataStart", modal_hdr->txFrameToDataStart);
+	PR_EEP("txFrameToPaOn", modal_hdr->txFrameToPaOn);
+	PR_EEP("HT40 Power Inc.", modal_hdr->ht40PowerIncForPdadc);
+	PR_EEP("Chain0 bswAtten", modal_hdr->bswAtten[0]);
+	PR_EEP("Chain1 bswAtten", modal_hdr->bswAtten[1]);
+	PR_EEP("Chain2 bswAtten", modal_hdr->bswAtten[2]);
+	PR_EEP("Chain0 bswMargin", modal_hdr->bswMargin[0]);
+	PR_EEP("Chain1 bswMargin", modal_hdr->bswMargin[1]);
+	PR_EEP("Chain2 bswMargin", modal_hdr->bswMargin[2]);
+	PR_EEP("HT40 Switch Settle", modal_hdr->swSettleHt40);
+	PR_EEP("Chain0 xatten2Db", modal_hdr->xatten2Db[0]);
+	PR_EEP("Chain1 xatten2Db", modal_hdr->xatten2Db[1]);
+	PR_EEP("Chain2 xatten2Db", modal_hdr->xatten2Db[2]);
+	PR_EEP("Chain0 xatten2Margin", modal_hdr->xatten2Margin[0]);
+	PR_EEP("Chain1 xatten2Margin", modal_hdr->xatten2Margin[1]);
+	PR_EEP("Chain2 xatten2Margin", modal_hdr->xatten2Margin[2]);
+	PR_EEP("Chain1 OutputBias", modal_hdr->ob_ch1);
+	PR_EEP("Chain1 DriverBias", modal_hdr->db_ch1);
+	PR_EEP("LNA Control", modal_hdr->lna_ctl);
+	PR_EEP("XPA Bias Freq0", modal_hdr->xpaBiasLvlFreq[0]);
+	PR_EEP("XPA Bias Freq1", modal_hdr->xpaBiasLvlFreq[1]);
+	PR_EEP("XPA Bias Freq2", modal_hdr->xpaBiasLvlFreq[2]);
+
+	return len;
 }
 
+static u32 ath9k_hw_def_dump_eeprom(struct ath_hw *ah, bool dump_base_hdr,
+				    u8 *buf, u32 len, u32 size)
+{
+	struct ar5416_eeprom_def *eep = &ah->eeprom.def;
+	struct base_eep_header *pBase = &eep->baseEepHeader;
+
+	if (!dump_base_hdr) {
+		len += scnprintf(buf + len, size - len,
+				 "%20s :\n", "2GHz modal Header");
+		len = ath9k_def_dump_modal_eeprom(buf, len, size,
+						   &eep->modalHeader[0]);
+		len += scnprintf(buf + len, size - len,
+				 "%20s :\n", "5GHz modal Header");
+		len = ath9k_def_dump_modal_eeprom(buf, len, size,
+						   &eep->modalHeader[1]);
+		goto out;
+	}
+
+	PR_EEP("Major Version", pBase->version >> 12);
+	PR_EEP("Minor Version", pBase->version & 0xFFF);
+	PR_EEP("Checksum", pBase->checksum);
+	PR_EEP("Length", pBase->length);
+	PR_EEP("RegDomain1", pBase->regDmn[0]);
+	PR_EEP("RegDomain2", pBase->regDmn[1]);
+	PR_EEP("TX Mask", pBase->txMask);
+	PR_EEP("RX Mask", pBase->rxMask);
+	PR_EEP("Allow 5GHz", !!(pBase->opCapFlags & AR5416_OPFLAGS_11A));
+	PR_EEP("Allow 2GHz", !!(pBase->opCapFlags & AR5416_OPFLAGS_11G));
+	PR_EEP("Disable 2GHz HT20", !!(pBase->opCapFlags &
+					AR5416_OPFLAGS_N_2G_HT20));
+	PR_EEP("Disable 2GHz HT40", !!(pBase->opCapFlags &
+					AR5416_OPFLAGS_N_2G_HT40));
+	PR_EEP("Disable 5Ghz HT20", !!(pBase->opCapFlags &
+					AR5416_OPFLAGS_N_5G_HT20));
+	PR_EEP("Disable 5Ghz HT40", !!(pBase->opCapFlags &
+					AR5416_OPFLAGS_N_5G_HT40));
+	PR_EEP("Big Endian", !!(pBase->eepMisc & 0x01));
+	PR_EEP("Cal Bin Major Ver", (pBase->binBuildNumber >> 24) & 0xFF);
+	PR_EEP("Cal Bin Minor Ver", (pBase->binBuildNumber >> 16) & 0xFF);
+	PR_EEP("Cal Bin Build", (pBase->binBuildNumber >> 8) & 0xFF);
+	PR_EEP("OpenLoop Power Ctrl", pBase->openLoopPwrCntl);
+
+	len += scnprintf(buf + len, size - len, "%20s : %pM\n", "MacAddress",
+			 pBase->macAddr);
+
+out:
+	if (len > size)
+		len = size;
+
+	return len;
+}
+#else
+static u32 ath9k_hw_def_dump_eeprom(struct ath_hw *ah, bool dump_base_hdr,
+				    u8 *buf, u32 len, u32 size)
+{
+	return 0;
+}
+#endif
+
+
 static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 {
-	struct ar5416_eeprom_def *eep =
-		(struct ar5416_eeprom_def *) &ah->eeprom.def;
+	struct ar5416_eeprom_def *eep = &ah->eeprom.def;
 	struct ath_common *common = ath9k_hw_common(ah);
 	u16 *eepdata, temp, magic, magic2;
 	u32 sum = 0, el;
 	bool need_swap = false;
 	int i, addr, size;
 
-	if (!ath9k_hw_nvram_read(common, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
-		ath_print(common, ATH_DBG_FATAL, "Reading Magic # failed\n");
+	if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
+		ath_err(common, "Reading Magic # failed\n");
 		return false;
 	}
 
 	if (!ath9k_hw_use_flash(ah)) {
-		ath_print(common, ATH_DBG_EEPROM,
-			  "Read Magic = 0x%04X\n", magic);
+		ath_dbg(common, EEPROM, "Read Magic = 0x%04X\n", magic);
 
 		if (magic != AR5416_EEPROM_MAGIC) {
 			magic2 = swab16(magic);
@@ -139,16 +289,15 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 					eepdata++;
 				}
 			} else {
-				ath_print(common, ATH_DBG_FATAL,
-					  "Invalid EEPROM Magic. "
-					  "Endianness mismatch.\n");
+				ath_err(common,
+					"Invalid EEPROM Magic. Endianness mismatch.\n");
 				return -EINVAL;
 			}
 		}
 	}
 
-	ath_print(common, ATH_DBG_EEPROM, "need_swap = %s.\n",
-		  need_swap ? "True" : "False");
+	ath_dbg(common, EEPROM, "need_swap = %s\n",
+		need_swap ? "True" : "False");
 
 	if (need_swap)
 		el = swab16(ah->eeprom.def.baseEepHeader.length);
@@ -169,8 +318,8 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 		u32 integer, j;
 		u16 word;
 
-		ath_print(common, ATH_DBG_EEPROM,
-			  "EEPROM Endianness is not native.. Changing.\n");
+		ath_dbg(common, EEPROM,
+			"EEPROM Endianness is not native.. Changing.\n");
 
 		word = swab16(eep->baseEepHeader.length);
 		eep->baseEepHeader.length = word;
@@ -206,8 +355,12 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 				integer = swab32(pModal->antCtrlChain[i]);
 				pModal->antCtrlChain[i] = integer;
 			}
+			for (i = 0; i < 3; i++) {
+				word = swab16(pModal->xpaBiasLvlFreq[i]);
+				pModal->xpaBiasLvlFreq[i] = word;
+			}
 
-			for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
+			for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
 				word = swab16(pModal->spurChans[i].spurChan);
 				pModal->spurChans[i].spurChan = word;
 			}
@@ -216,17 +369,20 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 
 	if (sum != 0xffff || ah->eep_ops->get_eeprom_ver(ah) != AR5416_EEP_VER ||
 	    ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_NO_BACK_VER) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Bad EEPROM checksum 0x%x or revision 0x%04x\n",
+		ath_err(common, "Bad EEPROM checksum 0x%x or revision 0x%04x\n",
 			sum, ah->eep_ops->get_eeprom_ver(ah));
 		return -EINVAL;
 	}
 
 	/* Enable fixup for AR_AN_TOP2 if necessary */
-	if (AR_SREV_9280_20_OR_LATER(ah) &&
-	    (eep->baseEepHeader.version & 0xff) > 0x0a &&
-	    eep->baseEepHeader.pwdclkind == 0)
-		ah->need_an_top2_fixup = 1;
+	if ((ah->hw_version.devid == AR9280_DEVID_PCI) &&
+	    ((eep->baseEepHeader.version & 0xff) > 0x0a) &&
+	    (eep->baseEepHeader.pwdclkind == 0))
+		ah->need_an_top2_fixup = true;
+
+	if ((common->bus_ops->ath_bus_type == ATH_USB) &&
+	    (AR_SREV_9280(ah)))
+		eep->modalHeader[0].xpaBiasLvl = 0;
 
 	return 0;
 }
@@ -237,6 +393,7 @@ static u32 ath9k_hw_def_get_eeprom(struct ath_hw *ah,
 	struct ar5416_eeprom_def *eep = &ah->eeprom.def;
 	struct modal_eep_header *pModal = eep->modalHeader;
 	struct base_eep_header *pBase = &eep->baseEepHeader;
+	int band = 0;
 
 	switch (param) {
 	case EEP_NFTHRESH_5:
@@ -244,15 +401,13 @@ static u32 ath9k_hw_def_get_eeprom(struct ath_hw *ah,
 	case EEP_NFTHRESH_2:
 		return pModal[1].noiseFloorThreshCh[0];
 	case EEP_MAC_LSW:
-		return pBase->macAddr[0] << 8 | pBase->macAddr[1];
+		return get_unaligned_be16(pBase->macAddr);
 	case EEP_MAC_MID:
-		return pBase->macAddr[2] << 8 | pBase->macAddr[3];
+		return get_unaligned_be16(pBase->macAddr + 2);
 	case EEP_MAC_MSW:
-		return pBase->macAddr[4] << 8 | pBase->macAddr[5];
+		return get_unaligned_be16(pBase->macAddr + 4);
 	case EEP_REG_0:
 		return pBase->regDmn[0];
-	case EEP_REG_1:
-		return pBase->regDmn[1];
 	case EEP_OP_CAP:
 		return pBase->deviceCap;
 	case EEP_OP_MODE:
@@ -304,6 +459,14 @@ static u32 ath9k_hw_def_get_eeprom(struct ath_hw *ah,
 			return pBase->pwr_table_offset;
 		else
 			return AR5416_PWR_TABLE_OFFSET_DB;
+	case EEP_ANTENNA_GAIN_2G:
+		band = 1;
+		/* fall through */
+	case EEP_ANTENNA_GAIN_5G:
+		return max_t(u8, max_t(u8,
+			pModal[band].antennaGainCh[0],
+			pModal[band].antennaGainCh[1]),
+			pModal[band].antennaGainCh[2]);
 	default:
 		return 0;
 	}
@@ -376,8 +539,7 @@ static void ath9k_hw_def_set_board_values(struct ath_hw *ah,
 	pModal = &(eep->modalHeader[IS_CHAN_2GHZ(chan)]);
 	txRxAttenLocal = IS_CHAN_2GHZ(chan) ? 23 : 44;
 
-	REG_WRITE(ah, AR_PHY_SWITCH_COM,
-		  ah->eep_ops->get_eeprom_antenna_cfg(ah, chan));
+	REG_WRITE(ah, AR_PHY_SWITCH_COM, pModal->antCtrlCommon & 0xffff);
 
 	for (i = 0; i < AR5416_MAX_CHAINS; i++) {
 		if (AR_SREV_9280(ah)) {
@@ -385,8 +547,7 @@ static void ath9k_hw_def_set_board_values(struct ath_hw *ah,
 				break;
 		}
 
-		if (AR_SREV_5416_20_OR_LATER(ah) &&
-		    (ah->rxchainmask == 5 || ah->txchainmask == 5) && (i != 0))
+		if ((ah->rxchainmask == 5 || ah->txchainmask == 5) && (i != 0))
 			regChainOffset = (i == 1) ? 0x2000 : 0x1000;
 		else
 			regChainOffset = i * 0x1000;
@@ -403,9 +564,8 @@ static void ath9k_hw_def_set_board_values(struct ath_hw *ah,
 			  SM(pModal->iqCalQCh[i],
 			     AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF));
 
-		if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah))
-			ath9k_hw_def_set_gain(ah, pModal, eep, txRxAttenLocal,
-					      regChainOffset, i);
+		ath9k_hw_def_set_gain(ah, pModal, eep, txRxAttenLocal,
+				      regChainOffset, i);
 	}
 
 	if (AR_SREV_9280_20_OR_LATER(ah)) {
@@ -451,9 +611,10 @@ static void ath9k_hw_def_set_board_values(struct ath_hw *ah,
 		ath9k_hw_analog_shift_rmw(ah, AR_AN_TOP2,
 					  AR_AN_TOP2_LOCALBIAS,
 					  AR_AN_TOP2_LOCALBIAS_S,
-					  pModal->local_bias);
+					  !!(pModal->lna_ctl &
+					     LNA_CTL_LOCAL_BIAS));
 		REG_RMW_FIELD(ah, AR_PHY_XPA_CFG, AR_PHY_FORCE_XPA_CFG,
-			      pModal->force_xpaon);
+			      !!(pModal->lna_ctl & LNA_CTL_FORCE_XPA));
 	}
 
 	REG_RMW_FIELD(ah, AR_PHY_SETTLING, AR_PHY_SETTLING_SWITCH,
@@ -589,168 +750,6 @@ static void ath9k_hw_def_set_addac(struct ath_hw *ah,
 #undef XPA_LVL_FREQ
 }
 
-static void ath9k_hw_get_def_gain_boundaries_pdadcs(struct ath_hw *ah,
-				struct ath9k_channel *chan,
-				struct cal_data_per_freq *pRawDataSet,
-				u8 *bChans, u16 availPiers,
-				u16 tPdGainOverlap,
-				u16 *pPdGainBoundaries, u8 *pPDADCValues,
-				u16 numXpdGains)
-{
-	int i, j, k;
-	int16_t ss;
-	u16 idxL = 0, idxR = 0, numPiers;
-	static u8 vpdTableL[AR5416_NUM_PD_GAINS]
-		[AR5416_MAX_PWR_RANGE_IN_HALF_DB];
-	static u8 vpdTableR[AR5416_NUM_PD_GAINS]
-		[AR5416_MAX_PWR_RANGE_IN_HALF_DB];
-	static u8 vpdTableI[AR5416_NUM_PD_GAINS]
-		[AR5416_MAX_PWR_RANGE_IN_HALF_DB];
-
-	u8 *pVpdL, *pVpdR, *pPwrL, *pPwrR;
-	u8 minPwrT4[AR5416_NUM_PD_GAINS];
-	u8 maxPwrT4[AR5416_NUM_PD_GAINS];
-	int16_t vpdStep;
-	int16_t tmpVal;
-	u16 sizeCurrVpdTable, maxIndex, tgtIndex;
-	bool match;
-	int16_t minDelta = 0;
-	struct chan_centers centers;
-
-	memset(&minPwrT4, 0, AR9287_NUM_PD_GAINS);
-	ath9k_hw_get_channel_centers(ah, chan, &centers);
-
-	for (numPiers = 0; numPiers < availPiers; numPiers++) {
-		if (bChans[numPiers] == AR5416_BCHAN_UNUSED)
-			break;
-	}
-
-	match = ath9k_hw_get_lower_upper_index((u8)FREQ2FBIN(centers.synth_center,
-							     IS_CHAN_2GHZ(chan)),
-					       bChans, numPiers, &idxL, &idxR);
-
-	if (match) {
-		for (i = 0; i < numXpdGains; i++) {
-			minPwrT4[i] = pRawDataSet[idxL].pwrPdg[i][0];
-			maxPwrT4[i] = pRawDataSet[idxL].pwrPdg[i][4];
-			ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
-					pRawDataSet[idxL].pwrPdg[i],
-					pRawDataSet[idxL].vpdPdg[i],
-					AR5416_PD_GAIN_ICEPTS,
-					vpdTableI[i]);
-		}
-	} else {
-		for (i = 0; i < numXpdGains; i++) {
-			pVpdL = pRawDataSet[idxL].vpdPdg[i];
-			pPwrL = pRawDataSet[idxL].pwrPdg[i];
-			pVpdR = pRawDataSet[idxR].vpdPdg[i];
-			pPwrR = pRawDataSet[idxR].pwrPdg[i];
-
-			minPwrT4[i] = max(pPwrL[0], pPwrR[0]);
-
-			maxPwrT4[i] =
-				min(pPwrL[AR5416_PD_GAIN_ICEPTS - 1],
-				    pPwrR[AR5416_PD_GAIN_ICEPTS - 1]);
-
-
-			ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
-						pPwrL, pVpdL,
-						AR5416_PD_GAIN_ICEPTS,
-						vpdTableL[i]);
-			ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
-						pPwrR, pVpdR,
-						AR5416_PD_GAIN_ICEPTS,
-						vpdTableR[i]);
-
-			for (j = 0; j <= (maxPwrT4[i] - minPwrT4[i]) / 2; j++) {
-				vpdTableI[i][j] =
-					(u8)(ath9k_hw_interpolate((u16)
-					     FREQ2FBIN(centers.
-						       synth_center,
-						       IS_CHAN_2GHZ
-						       (chan)),
-					     bChans[idxL], bChans[idxR],
-					     vpdTableL[i][j], vpdTableR[i][j]));
-			}
-		}
-	}
-
-	k = 0;
-
-	for (i = 0; i < numXpdGains; i++) {
-		if (i == (numXpdGains - 1))
-			pPdGainBoundaries[i] =
-				(u16)(maxPwrT4[i] / 2);
-		else
-			pPdGainBoundaries[i] =
-				(u16)((maxPwrT4[i] + minPwrT4[i + 1]) / 4);
-
-		pPdGainBoundaries[i] =
-			min((u16)AR5416_MAX_RATE_POWER, pPdGainBoundaries[i]);
-
-		if ((i == 0) && !AR_SREV_5416_20_OR_LATER(ah)) {
-			minDelta = pPdGainBoundaries[0] - 23;
-			pPdGainBoundaries[0] = 23;
-		} else {
-			minDelta = 0;
-		}
-
-		if (i == 0) {
-			if (AR_SREV_9280_20_OR_LATER(ah))
-				ss = (int16_t)(0 - (minPwrT4[i] / 2));
-			else
-				ss = 0;
-		} else {
-			ss = (int16_t)((pPdGainBoundaries[i - 1] -
-					(minPwrT4[i] / 2)) -
-				       tPdGainOverlap + 1 + minDelta);
-		}
-		vpdStep = (int16_t)(vpdTableI[i][1] - vpdTableI[i][0]);
-		vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep);
-
-		while ((ss < 0) && (k < (AR5416_NUM_PDADC_VALUES - 1))) {
-			tmpVal = (int16_t)(vpdTableI[i][0] + ss * vpdStep);
-			pPDADCValues[k++] = (u8)((tmpVal < 0) ? 0 : tmpVal);
-			ss++;
-		}
-
-		sizeCurrVpdTable = (u8) ((maxPwrT4[i] - minPwrT4[i]) / 2 + 1);
-		tgtIndex = (u8)(pPdGainBoundaries[i] + tPdGainOverlap -
-				(minPwrT4[i] / 2));
-		maxIndex = (tgtIndex < sizeCurrVpdTable) ?
-			tgtIndex : sizeCurrVpdTable;
-
-		while ((ss < maxIndex) && (k < (AR5416_NUM_PDADC_VALUES - 1))) {
-			pPDADCValues[k++] = vpdTableI[i][ss++];
-		}
-
-		vpdStep = (int16_t)(vpdTableI[i][sizeCurrVpdTable - 1] -
-				    vpdTableI[i][sizeCurrVpdTable - 2]);
-		vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep);
-
-		if (tgtIndex >= maxIndex) {
-			while ((ss <= tgtIndex) &&
-			       (k < (AR5416_NUM_PDADC_VALUES - 1))) {
-				tmpVal = (int16_t)((vpdTableI[i][sizeCurrVpdTable - 1] +
-						    (ss - maxIndex + 1) * vpdStep));
-				pPDADCValues[k++] = (u8)((tmpVal > 255) ?
-							 255 : tmpVal);
-				ss++;
-			}
-		}
-	}
-
-	while (i < AR5416_PD_GAINS_IN_MASK) {
-		pPdGainBoundaries[i] = pPdGainBoundaries[i - 1];
-		i++;
-	}
-
-	while (k < AR5416_NUM_PDADC_VALUES) {
-		pPDADCValues[k] = pPDADCValues[k - 1];
-		k++;
-	}
-}
-
 static int16_t ath9k_change_gain_boundary_setting(struct ath_hw *ah,
 				u16 *gb,
 				u16 numXpdGain,
@@ -783,7 +782,7 @@ static int16_t ath9k_change_gain_boundary_setting(struct ath_hw *ah,
 		/* Because of a hardware limitation, ensure the gain boundary
 		 * is not larger than (63 - overlap)
 		 */
-		gb_limit = (u16)(AR5416_MAX_RATE_POWER - pdGainOverlap_t2);
+		gb_limit = (u16)(MAX_RATE_POWER - pdGainOverlap_t2);
 
 		for (k = 0; k < numXpdGain; k++)
 			gb[k] = (u16)min(gb_limit, gb[k]);
@@ -822,8 +821,7 @@ static void ath9k_adjust_pdadc_values(struct ath_hw *ah,
 }
 
 static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
-				  struct ath9k_channel *chan,
-				  int16_t *pTxPowerIndexOffset)
+				  struct ath9k_channel *chan)
 {
 #define SM_PD_GAIN(x) SM(0x38, AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_##x)
 #define SM_PDGAIN_B(x, y) \
@@ -893,8 +891,7 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
 		      xpdGainValues[2]);
 
 	for (i = 0; i < AR5416_MAX_CHAINS; i++) {
-		if (AR_SREV_5416_20_OR_LATER(ah) &&
-		    (ah->rxchainmask == 5 || ah->txchainmask == 5) &&
+		if ((ah->rxchainmask == 5 || ah->txchainmask == 5) &&
 		    (i != 0)) {
 			regChainOffset = (i == 1) ? 0x2000 : 0x1000;
 		} else
@@ -917,7 +914,7 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
 				ath9k_olc_get_pdadcs(ah, pcdacIdx,
 						     txPower/2, pdadcValues);
 			} else {
-				ath9k_hw_get_def_gain_boundaries_pdadcs(ah,
+				ath9k_hw_get_gain_boundaries_pdadcs(ah,
 							chan, pRawDataset,
 							pCalBChans, numPiers,
 							pdGainOverlap_t2,
@@ -933,59 +930,51 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
 							   pwr_table_offset,
 							   &diff);
 
-			if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah)) {
-				if (OLC_FOR_AR9280_20_LATER) {
-					REG_WRITE(ah,
-						AR_PHY_TPCRG5 + regChainOffset,
-						SM(0x6,
-						AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
-						SM_PD_GAIN(1) | SM_PD_GAIN(2) |
-						SM_PD_GAIN(3) | SM_PD_GAIN(4));
-				} else {
-					REG_WRITE(ah,
-						AR_PHY_TPCRG5 + regChainOffset,
-						SM(pdGainOverlap_t2,
-						AR_PHY_TPCRG5_PD_GAIN_OVERLAP)|
-						SM_PDGAIN_B(0, 1) |
-						SM_PDGAIN_B(1, 2) |
-						SM_PDGAIN_B(2, 3) |
-						SM_PDGAIN_B(3, 4));
-				}
-			}
+			ENABLE_REGWRITE_BUFFER(ah);
 
+			if (OLC_FOR_AR9280_20_LATER) {
+				REG_WRITE(ah,
+					AR_PHY_TPCRG5 + regChainOffset,
+					SM(0x6,
+					AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
+					SM_PD_GAIN(1) | SM_PD_GAIN(2) |
+					SM_PD_GAIN(3) | SM_PD_GAIN(4));
+			} else {
+				REG_WRITE(ah,
+					AR_PHY_TPCRG5 + regChainOffset,
+					SM(pdGainOverlap_t2,
+					AR_PHY_TPCRG5_PD_GAIN_OVERLAP)|
+					SM_PDGAIN_B(0, 1) |
+					SM_PDGAIN_B(1, 2) |
+					SM_PDGAIN_B(2, 3) |
+					SM_PDGAIN_B(3, 4));
+			}
 
 			ath9k_adjust_pdadc_values(ah, pwr_table_offset,
 						  diff, pdadcValues);
 
 			regOffset = AR_PHY_BASE + (672 << 2) + regChainOffset;
 			for (j = 0; j < 32; j++) {
-				reg32 = ((pdadcValues[4 * j + 0] & 0xFF) << 0) |
-					((pdadcValues[4 * j + 1] & 0xFF) << 8) |
-					((pdadcValues[4 * j + 2] & 0xFF) << 16)|
-					((pdadcValues[4 * j + 3] & 0xFF) << 24);
+				reg32 = get_unaligned_le32(&pdadcValues[4 * j]);
 				REG_WRITE(ah, regOffset, reg32);
 
-				ath_print(common, ATH_DBG_EEPROM,
-					  "PDADC (%d,%4x): %4.4x %8.8x\n",
-					  i, regChainOffset, regOffset,
-					  reg32);
-				ath_print(common, ATH_DBG_EEPROM,
-					  "PDADC: Chain %d | PDADC %3d "
-					  "Value %3d | PDADC %3d Value %3d | "
-					  "PDADC %3d Value %3d | PDADC %3d "
-					  "Value %3d |\n",
-					  i, 4 * j, pdadcValues[4 * j],
-					  4 * j + 1, pdadcValues[4 * j + 1],
-					  4 * j + 2, pdadcValues[4 * j + 2],
-					  4 * j + 3,
-					  pdadcValues[4 * j + 3]);
+				ath_dbg(common, EEPROM,
+					"PDADC (%d,%4x): %4.4x %8.8x\n",
+					i, regChainOffset, regOffset,
+					reg32);
+				ath_dbg(common, EEPROM,
+					"PDADC: Chain %d | PDADC %3d Value %3d | PDADC %3d Value %3d | PDADC %3d Value %3d | PDADC %3d Value %3d |\n",
+					i, 4 * j, pdadcValues[4 * j],
+					4 * j + 1, pdadcValues[4 * j + 1],
+					4 * j + 2, pdadcValues[4 * j + 2],
+					4 * j + 3, pdadcValues[4 * j + 3]);
 
 				regOffset += 4;
 			}
+			REGWRITE_BUFFER_FLUSH(ah);
 		}
 	}
 
-	*pTxPowerIndexOffset = 0;
 #undef SM_PD_GAIN
 #undef SM_PDGAIN_B
 }
@@ -994,21 +983,12 @@ static void ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah,
 						  struct ath9k_channel *chan,
 						  int16_t *ratesArray,
 						  u16 cfgCtl,
-						  u16 AntennaReduction,
-						  u16 twiceMaxRegulatoryPower,
+						  u16 antenna_reduction,
 						  u16 powerLimit)
 {
-#define REDUCE_SCALED_POWER_BY_TWO_CHAIN     6  /* 10*log10(2)*2 */
-#define REDUCE_SCALED_POWER_BY_THREE_CHAIN   9 /* 10*log10(3)*2 */
-
-	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	struct ar5416_eeprom_def *pEepData = &ah->eeprom.def;
-	u16 twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
-	static const u16 tpScaleReductionTable[5] =
-		{ 0, 3, 6, 9, AR5416_MAX_RATE_POWER };
-
+	u16 twiceMaxEdgePower;
 	int i;
-	int16_t twiceLargestAntenna;
 	struct cal_ctl_data *rep;
 	struct cal_target_power_leg targetPowerOfdm, targetPowerCck = {
 		0, { 0, 0, 0, 0}
@@ -1020,7 +1000,7 @@ static void ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah,
 	struct cal_target_power_ht targetPowerHt20, targetPowerHt40 = {
 		0, {0, 0, 0, 0}
 	};
-	u16 scaledPower = 0, minCtlPower, maxRegAllowedPower;
+	u16 scaledPower = 0, minCtlPower;
 	static const u16 ctlModesFor11a[] = {
 		CTL_11A, CTL_5GHT20, CTL_11A_EXT, CTL_5GHT40
 	};
@@ -1039,40 +1019,8 @@ static void ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah,
 
 	ath9k_hw_get_channel_centers(ah, chan, &centers);
 
-	twiceLargestAntenna = max(
-		pEepData->modalHeader
-			[IS_CHAN_2GHZ(chan)].antennaGainCh[0],
-		pEepData->modalHeader
-			[IS_CHAN_2GHZ(chan)].antennaGainCh[1]);
-
-	twiceLargestAntenna = max((u8)twiceLargestAntenna,
-				  pEepData->modalHeader
-				  [IS_CHAN_2GHZ(chan)].antennaGainCh[2]);
-
-	twiceLargestAntenna = (int16_t)min(AntennaReduction -
-					   twiceLargestAntenna, 0);
-
-	maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna;
-
-	if (regulatory->tp_scale != ATH9K_TP_SCALE_MAX) {
-		maxRegAllowedPower -=
-			(tpScaleReductionTable[(regulatory->tp_scale)] * 2);
-	}
-
-	scaledPower = min(powerLimit, maxRegAllowedPower);
-
-	switch (ar5416_get_ntxchains(tx_chainmask)) {
-	case 1:
-		break;
-	case 2:
-		scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
-		break;
-	case 3:
-		scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
-		break;
-	}
-
-	scaledPower = max((u16)0, scaledPower);
+	scaledPower = ath9k_hw_get_scaled_power(ah, powerLimit,
+						antenna_reduction);
 
 	if (IS_CHAN_2GHZ(chan)) {
 		numCtlModes = ARRAY_SIZE(ctlModesFor11g) -
@@ -1144,9 +1092,7 @@ static void ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah,
 		else
 			freq = centers.ctl_center;
 
-		if (ah->eep_ops->get_eeprom_ver(ah) == 14 &&
-		    ah->eep_ops->get_eeprom_rev(ah) <= 2)
-			twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
+		twiceMaxEdgePower = MAX_RATE_POWER;
 
 		for (i = 0; (i < AR5416_NUM_CTLS) && pEepData->ctlIndex[i]; i++) {
 			if ((((cfgCtl & ~CTL_MODE_M) |
@@ -1260,7 +1206,6 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
 				    struct ath9k_channel *chan,
 				    u16 cfgCtl,
 				    u8 twiceAntennaReduction,
-				    u8 twiceMaxRegulatoryPower,
 				    u8 powerLimit, bool test)
 {
 #define RT_AR_DELTA(x) (ratesArray[x] - cck_ofdm_delta)
@@ -1269,7 +1214,6 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
 	struct modal_eep_header *pModal =
 		&(pEepData->modalHeader[IS_CHAN_2GHZ(chan)]);
 	int16_t ratesArray[Ar5416RateSize];
-	int16_t txPowerIndexOffset = 0;
 	u8 ht40PowerIncForPdadc = 2;
 	int i, cck_ofdm_delta = 0;
 
@@ -1283,45 +1227,19 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
 	ath9k_hw_set_def_power_per_rate_table(ah, chan,
 					       &ratesArray[0], cfgCtl,
 					       twiceAntennaReduction,
-					       twiceMaxRegulatoryPower,
 					       powerLimit);
 
-	ath9k_hw_set_def_power_cal_table(ah, chan, &txPowerIndexOffset);
+	ath9k_hw_set_def_power_cal_table(ah, chan);
 
 	regulatory->max_power_level = 0;
 	for (i = 0; i < ARRAY_SIZE(ratesArray); i++) {
-		ratesArray[i] =	(int16_t)(txPowerIndexOffset + ratesArray[i]);
-		if (ratesArray[i] > AR5416_MAX_RATE_POWER)
-			ratesArray[i] = AR5416_MAX_RATE_POWER;
+		if (ratesArray[i] > MAX_RATE_POWER)
+			ratesArray[i] = MAX_RATE_POWER;
 		if (ratesArray[i] > regulatory->max_power_level)
 			regulatory->max_power_level = ratesArray[i];
 	}
 
-	if (!test) {
-		i = rate6mb;
-
-		if (IS_CHAN_HT40(chan))
-			i = rateHt40_0;
-		else if (IS_CHAN_HT20(chan))
-			i = rateHt20_0;
-
-		regulatory->max_power_level = ratesArray[i];
-	}
-
-	switch(ar5416_get_ntxchains(ah->txchainmask)) {
-	case 1:
-		break;
-	case 2:
-		regulatory->max_power_level += INCREASE_MAXPOW_BY_TWO_CHAIN;
-		break;
-	case 3:
-		regulatory->max_power_level += INCREASE_MAXPOW_BY_THREE_CHAIN;
-		break;
-	default:
-		ath_print(ath9k_hw_common(ah), ATH_DBG_EEPROM,
-			  "Invalid chainmask configuration\n");
-		break;
-	}
+	ath9k_hw_update_regulatory_maxpower(ah);
 
 	if (test)
 		return;
@@ -1336,6 +1254,8 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
 		}
 	}
 
+	ENABLE_REGWRITE_BUFFER(ah);
+
 	REG_WRITE(ah, AR_PHY_POWER_TX_RATE1,
 		  ATH9K_POW_SM(ratesArray[rate18mb], 24)
 		  | ATH9K_POW_SM(ratesArray[rate12mb], 16)
@@ -1422,74 +1342,22 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
 	REG_WRITE(ah, AR_PHY_POWER_TX_SUB,
 		  ATH9K_POW_SM(pModal->pwrDecreaseFor3Chain, 6)
 		  | ATH9K_POW_SM(pModal->pwrDecreaseFor2Chain, 0));
-}
-
-static u8 ath9k_hw_def_get_num_ant_config(struct ath_hw *ah,
-					  enum ath9k_hal_freq_band freq_band)
-{
-	struct ar5416_eeprom_def *eep = &ah->eeprom.def;
-	struct modal_eep_header *pModal =
-		&(eep->modalHeader[freq_band]);
-	struct base_eep_header *pBase = &eep->baseEepHeader;
-	u8 num_ant_config;
-
-	num_ant_config = 1;
-
-	if (pBase->version >= 0x0E0D)
-		if (pModal->useAnt1)
-			num_ant_config += 1;
-
-	return num_ant_config;
-}
-
-static u32 ath9k_hw_def_get_eeprom_antenna_cfg(struct ath_hw *ah,
-					       struct ath9k_channel *chan)
-{
-	struct ar5416_eeprom_def *eep = &ah->eeprom.def;
-	struct modal_eep_header *pModal =
-		&(eep->modalHeader[IS_CHAN_2GHZ(chan)]);
 
-	return pModal->antCtrlCommon;
+	REGWRITE_BUFFER_FLUSH(ah);
 }
 
 static u16 ath9k_hw_def_get_spur_channel(struct ath_hw *ah, u16 i, bool is2GHz)
 {
-#define EEP_DEF_SPURCHAN \
-	(ah->eeprom.def.modalHeader[is2GHz].spurChans[i].spurChan)
-	struct ath_common *common = ath9k_hw_common(ah);
-
-	u16 spur_val = AR_NO_SPUR;
-
-	ath_print(common, ATH_DBG_ANI,
-		  "Getting spur idx %d is2Ghz. %d val %x\n",
-		  i, is2GHz, ah->config.spurchans[i][is2GHz]);
-
-	switch (ah->config.spurmode) {
-	case SPUR_DISABLE:
-		break;
-	case SPUR_ENABLE_IOCTL:
-		spur_val = ah->config.spurchans[i][is2GHz];
-		ath_print(common, ATH_DBG_ANI,
-			  "Getting spur val from new loc. %d\n", spur_val);
-		break;
-	case SPUR_ENABLE_EEPROM:
-		spur_val = EEP_DEF_SPURCHAN;
-		break;
-	}
-
-	return spur_val;
-
-#undef EEP_DEF_SPURCHAN
+	return ah->eeprom.def.modalHeader[is2GHz].spurChans[i].spurChan;
 }
 
 const struct eeprom_ops eep_def_ops = {
 	.check_eeprom		= ath9k_hw_def_check_eeprom,
 	.get_eeprom		= ath9k_hw_def_get_eeprom,
 	.fill_eeprom		= ath9k_hw_def_fill_eeprom,
+	.dump_eeprom		= ath9k_hw_def_dump_eeprom,
 	.get_eeprom_ver		= ath9k_hw_def_get_eeprom_ver,
 	.get_eeprom_rev		= ath9k_hw_def_get_eeprom_rev,
-	.get_num_ant_config	= ath9k_hw_def_get_num_ant_config,
-	.get_eeprom_antenna_cfg	= ath9k_hw_def_get_eeprom_antenna_cfg,
 	.set_board_values	= ath9k_hw_def_set_board_values,
 	.set_addac		= ath9k_hw_def_set_addac,
 	.set_txpower		= ath9k_hw_def_set_txpower,