1 files changed, 121 insertions, 60 deletions

diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
index 343fc9f..4f5c50a 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -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"
 
@@ -75,6 +76,111 @@ static bool ath9k_hw_ar9287_fill_eeprom(struct ath_hw *ah)
 		return __ath9k_hw_ar9287_fill_eeprom(ah);
 }
 
+#if defined(CONFIG_ATH9K_DEBUGFS) || defined(CONFIG_ATH9K_HTC_DEBUGFS)
+static u32 ar9287_dump_modal_eeprom(char *buf, u32 len, u32 size,
+				    struct modal_eep_ar9287_header *modal_hdr)
+{
+	PR_EEP("Chain0 Ant. Control", modal_hdr->antCtrlChain[0]);
+	PR_EEP("Chain1 Ant. Control", modal_hdr->antCtrlChain[1]);
+	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("Switch Settle", modal_hdr->switchSettling);
+	PR_EEP("Chain0 TxRxAtten", modal_hdr->txRxAttenCh[0]);
+	PR_EEP("Chain1 TxRxAtten", modal_hdr->txRxAttenCh[1]);
+	PR_EEP("Chain0 RxTxMargin", modal_hdr->rxTxMarginCh[0]);
+	PR_EEP("Chain1 RxTxMargin", modal_hdr->rxTxMarginCh[1]);
+	PR_EEP("ADC Desired size", modal_hdr->adcDesiredSize);
+	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("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("Chain0 Q Coefficient", modal_hdr->iqCalQCh[0]);
+	PR_EEP("Chain1 Q Coefficient", modal_hdr->iqCalQCh[1]);
+	PR_EEP("pdGainOverlap", modal_hdr->pdGainOverlap);
+	PR_EEP("xPA Bias Level", modal_hdr->xpaBiasLvl);
+	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("Chain0 bswMargin", modal_hdr->bswMargin[0]);
+	PR_EEP("Chain1 bswMargin", modal_hdr->bswMargin[1]);
+	PR_EEP("HT40 Switch Settle", modal_hdr->swSettleHt40);
+	PR_EEP("AR92x7 Version", modal_hdr->version);
+	PR_EEP("DriverBias1", modal_hdr->db1);
+	PR_EEP("DriverBias2", modal_hdr->db1);
+	PR_EEP("CCK OutputBias", modal_hdr->ob_cck);
+	PR_EEP("PSK OutputBias", modal_hdr->ob_psk);
+	PR_EEP("QAM OutputBias", modal_hdr->ob_qam);
+	PR_EEP("PAL_OFF OutputBias", modal_hdr->ob_pal_off);
+
+	return len;
+}
+
+static u32 ath9k_hw_ar9287_dump_eeprom(struct ath_hw *ah, bool dump_base_hdr,
+				       u8 *buf, u32 len, u32 size)
+{
+	struct ar9287_eeprom *eep = &ah->eeprom.map9287;
+	struct base_eep_ar9287_header *pBase = &eep->baseEepHeader;
+
+	if (!dump_base_hdr) {
+		len += snprintf(buf + len, size - len,
+				"%20s :\n", "2GHz modal Header");
+		len += ar9287_dump_modal_eeprom(buf, len, size,
+						&eep->modalHeader);
+		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("Power Table Offset", pBase->pwrTableOffset);
+	PR_EEP("OpenLoop Power Ctrl", pBase->openLoopPwrCntl);
+
+	len += snprintf(buf + len, size - len, "%20s : %pM\n", "MacAddress",
+			pBase->macAddr);
+
+out:
+	if (len > size)
+		len = size;
+
+	return len;
+}
+#else
+static u32 ath9k_hw_ar9287_dump_eeprom(struct ath_hw *ah, bool dump_base_hdr,
+				       u8 *buf, u32 len, u32 size)
+{
+	return 0;
+}
+#endif
+
+
 static int ath9k_hw_ar9287_check_eeprom(struct ath_hw *ah)
 {
 	u32 sum = 0, el, integer;
@@ -195,15 +301,13 @@ static u32 ath9k_hw_ar9287_get_eeprom(struct ath_hw *ah,
 	case EEP_NFTHRESH_2:
 		return pModal->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:
@@ -230,6 +334,9 @@ static u32 ath9k_hw_ar9287_get_eeprom(struct ath_hw *ah,
 			return pBase->tempSensSlopePalOn;
 		else
 			return 0;
+	case EEP_ANTENNA_GAIN_2G:
+		return max_t(u8, pModal->antennaGainCh[0],
+				 pModal->antennaGainCh[1]);
 	default:
 		return 0;
 	}
@@ -306,8 +413,7 @@ static void ar9287_eeprom_olpc_set_pdadcs(struct ath_hw *ah,
 }
 
 static void ath9k_hw_set_ar9287_power_cal_table(struct ath_hw *ah,
-						struct ath9k_channel *chan,
-						int16_t *pTxPowerIndexOffset)
+						struct ath9k_channel *chan)
 {
 	struct cal_data_per_freq_ar9287 *pRawDataset;
 	struct cal_data_op_loop_ar9287 *pRawDatasetOpenLoop;
@@ -434,10 +540,7 @@ static void ath9k_hw_set_ar9287_power_cal_table(struct ath_hw *ah,
 					(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);
 					regOffset += 4;
@@ -446,16 +549,13 @@ static void ath9k_hw_set_ar9287_power_cal_table(struct ath_hw *ah,
 			REGWRITE_BUFFER_FLUSH(ah);
 		}
 	}
-
-	*pTxPowerIndexOffset = 0;
 }
 
 static void ath9k_hw_set_ar9287_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 CMP_CTL \
@@ -469,12 +569,8 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah,
 #define REDUCE_SCALED_POWER_BY_TWO_CHAIN     6
 #define REDUCE_SCALED_POWER_BY_THREE_CHAIN   10
 
-	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	u16 twiceMaxEdgePower = MAX_RATE_POWER;
-	static const u16 tpScaleReductionTable[5] =
-		{ 0, 3, 6, 9, MAX_RATE_POWER };
 	int i;
-	int16_t twiceLargestAntenna;
 	struct cal_ctl_data_ar9287 *rep;
 	struct cal_target_power_leg targetPowerOfdm = {0, {0, 0, 0, 0} },
 				    targetPowerCck = {0, {0, 0, 0, 0} };
@@ -482,7 +578,7 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah,
 				    targetPowerCckExt = {0, {0, 0, 0, 0} };
 	struct cal_target_power_ht targetPowerHt20,
 				    targetPowerHt40 = {0, {0, 0, 0, 0} };
-	u16 scaledPower = 0, minCtlPower, maxRegAllowedPower;
+	u16 scaledPower = 0, minCtlPower;
 	static const u16 ctlModesFor11g[] = {
 		CTL_11B, CTL_11G, CTL_2GHT20,
 		CTL_11B_EXT, CTL_11G_EXT, CTL_2GHT40
@@ -497,24 +593,7 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah,
 	tx_chainmask = ah->txchainmask;
 
 	ath9k_hw_get_channel_centers(ah, chan, &centers);
-
-	/* Compute TxPower reduction due to Antenna Gain */
-	twiceLargestAntenna = max(pEepData->modalHeader.antennaGainCh[0],
-				  pEepData->modalHeader.antennaGainCh[1]);
-	twiceLargestAntenna = (int16_t)min((AntennaReduction) -
-					   twiceLargestAntenna, 0);
-
-	/*
-	 * scaledPower is the minimum of the user input power level
-	 * and the regulatory allowed power level.
-	 */
-	maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna;
-
-	if (regulatory->tp_scale != ATH9K_TP_SCALE_MAX)
-		maxRegAllowedPower -=
-			(tpScaleReductionTable[(regulatory->tp_scale)] * 2);
-
-	scaledPower = min(powerLimit, maxRegAllowedPower);
+	scaledPower = powerLimit - antenna_reduction;
 
 	/*
 	 * Reduce scaled Power by number of chains active
@@ -715,14 +794,12 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah,
 static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah,
 					struct ath9k_channel *chan, u16 cfgCtl,
 					u8 twiceAntennaReduction,
-					u8 twiceMaxRegulatoryPower,
 					u8 powerLimit, bool test)
 {
 	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	struct ar9287_eeprom *pEepData = &ah->eeprom.map9287;
 	struct modal_eep_ar9287_header *pModal = &pEepData->modalHeader;
 	int16_t ratesArray[Ar5416RateSize];
-	int16_t txPowerIndexOffset = 0;
 	u8 ht40PowerIncForPdadc = 2;
 	int i;
 
@@ -735,14 +812,12 @@ static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah,
 	ath9k_hw_set_ar9287_power_per_rate_table(ah, chan,
 						 &ratesArray[0], cfgCtl,
 						 twiceAntennaReduction,
-						 twiceMaxRegulatoryPower,
 						 powerLimit);
 
-	ath9k_hw_set_ar9287_power_cal_table(ah, chan, &txPowerIndexOffset);
+	ath9k_hw_set_ar9287_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] > MAX_RATE_POWER)
 			ratesArray[i] = MAX_RATE_POWER;
 
@@ -753,17 +828,8 @@ static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah,
 	if (test)
 		return;
 
-	if (IS_CHAN_2GHZ(chan))
-		i = rate1l;
-	else
-		i = rate6mb;
-
-	regulatory->max_power_level = ratesArray[i];
-
-	if (AR_SREV_9280_20_OR_LATER(ah)) {
-		for (i = 0; i < Ar5416RateSize; i++)
-			ratesArray[i] -= AR9287_PWR_TABLE_OFFSET_DB * 2;
-	}
+	for (i = 0; i < Ar5416RateSize; i++)
+		ratesArray[i] -= AR9287_PWR_TABLE_OFFSET_DB * 2;
 
 	ENABLE_REGWRITE_BUFFER(ah);
 
@@ -853,11 +919,6 @@ static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah,
 	REGWRITE_BUFFER_FLUSH(ah);
 }
 
-static void ath9k_hw_ar9287_set_addac(struct ath_hw *ah,
-				      struct ath9k_channel *chan)
-{
-}
-
 static void ath9k_hw_ar9287_set_board_values(struct ath_hw *ah,
 					     struct ath9k_channel *chan)
 {
@@ -1005,10 +1066,10 @@ const struct eeprom_ops eep_ar9287_ops = {
 	.check_eeprom		= ath9k_hw_ar9287_check_eeprom,
 	.get_eeprom		= ath9k_hw_ar9287_get_eeprom,
 	.fill_eeprom		= ath9k_hw_ar9287_fill_eeprom,
+	.dump_eeprom		= ath9k_hw_ar9287_dump_eeprom,
 	.get_eeprom_ver		= ath9k_hw_ar9287_get_eeprom_ver,
 	.get_eeprom_rev		= ath9k_hw_ar9287_get_eeprom_rev,
 	.set_board_values	= ath9k_hw_ar9287_set_board_values,
-	.set_addac		= ath9k_hw_ar9287_set_addac,
 	.set_txpower		= ath9k_hw_ar9287_set_txpower,
 	.get_spur_channel	= ath9k_hw_ar9287_get_spur_channel
 };