drivers/net/wireless/ath/ath9k/ar9002_hw.c - third_party/linux - Git at Google

 /*
  * 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
  * copyright notice and this permission notice appear in all copies.
  *
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */

 #include "hw.h"
 #include "ar5008_initvals.h"
 #include "ar9001_initvals.h"
 #include "ar9002_initvals.h"
 #include "ar9002_phy.h"

 int modparam_force_new_ani;
 module_param_named(force_new_ani, modparam_force_new_ani, int, 0444);
 MODULE_PARM_DESC(force_new_ani, "Force new ANI for AR5008, AR9001, AR9002");

 /* General hardware code for the A5008/AR9001/AR9002 hadware families */

 static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
 {
 	if (AR_SREV_9271(ah)) {
 		INIT_INI_ARRAY(&ah->iniModes, ar9271Modes_9271,
 			       ARRAY_SIZE(ar9271Modes_9271), 6);
 		INIT_INI_ARRAY(&ah->iniCommon, ar9271Common_9271,
 			       ARRAY_SIZE(ar9271Common_9271), 2);
 		INIT_INI_ARRAY(&ah->iniCommon_normal_cck_fir_coeff_9271,
 			       ar9271Common_normal_cck_fir_coeff_9271,
 			       ARRAY_SIZE(ar9271Common_normal_cck_fir_coeff_9271), 2);
 		INIT_INI_ARRAY(&ah->iniCommon_japan_2484_cck_fir_coeff_9271,
 			       ar9271Common_japan_2484_cck_fir_coeff_9271,
 			       ARRAY_SIZE(ar9271Common_japan_2484_cck_fir_coeff_9271), 2);
 		INIT_INI_ARRAY(&ah->iniModes_9271_1_0_only,
 			       ar9271Modes_9271_1_0_only,
 			       ARRAY_SIZE(ar9271Modes_9271_1_0_only), 6);
 		INIT_INI_ARRAY(&ah->iniModes_9271_ANI_reg, ar9271Modes_9271_ANI_reg,
 			       ARRAY_SIZE(ar9271Modes_9271_ANI_reg), 6);
 		INIT_INI_ARRAY(&ah->iniModes_high_power_tx_gain_9271,
 			       ar9271Modes_high_power_tx_gain_9271,
 			       ARRAY_SIZE(ar9271Modes_high_power_tx_gain_9271), 6);
 		INIT_INI_ARRAY(&ah->iniModes_normal_power_tx_gain_9271,
 			       ar9271Modes_normal_power_tx_gain_9271,
 			       ARRAY_SIZE(ar9271Modes_normal_power_tx_gain_9271), 6);
 		return;
 	}

 	if (AR_SREV_9287_11_OR_LATER(ah)) {
 		INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1,
 				ARRAY_SIZE(ar9287Modes_9287_1_1), 6);
 		INIT_INI_ARRAY(&ah->iniCommon, ar9287Common_9287_1_1,
 				ARRAY_SIZE(ar9287Common_9287_1_1), 2);
 		if (ah->config.pcie_clock_req)
 			INIT_INI_ARRAY(&ah->iniPcieSerdes,
 			ar9287PciePhy_clkreq_off_L1_9287_1_1,
 			ARRAY_SIZE(ar9287PciePhy_clkreq_off_L1_9287_1_1), 2);
 		else
 			INIT_INI_ARRAY(&ah->iniPcieSerdes,
 			ar9287PciePhy_clkreq_always_on_L1_9287_1_1,
 			ARRAY_SIZE(ar9287PciePhy_clkreq_always_on_L1_9287_1_1),
 					2);
 	} else if (AR_SREV_9285_12_OR_LATER(ah)) {


 		INIT_INI_ARRAY(&ah->iniModes, ar9285Modes_9285_1_2,
 			       ARRAY_SIZE(ar9285Modes_9285_1_2), 6);
 		INIT_INI_ARRAY(&ah->iniCommon, ar9285Common_9285_1_2,
 			       ARRAY_SIZE(ar9285Common_9285_1_2), 2);

 		if (ah->config.pcie_clock_req) {
 			INIT_INI_ARRAY(&ah->iniPcieSerdes,
 			ar9285PciePhy_clkreq_off_L1_9285_1_2,
 			ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285_1_2), 2);
 		} else {
 			INIT_INI_ARRAY(&ah->iniPcieSerdes,
 			ar9285PciePhy_clkreq_always_on_L1_9285_1_2,
 			ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285_1_2),
 				  2);
 		}
 	} else if (AR_SREV_9280_20_OR_LATER(ah)) {
 		INIT_INI_ARRAY(&ah->iniModes, ar9280Modes_9280_2,
 			       ARRAY_SIZE(ar9280Modes_9280_2), 6);
 		INIT_INI_ARRAY(&ah->iniCommon, ar9280Common_9280_2,
 			       ARRAY_SIZE(ar9280Common_9280_2), 2);

 		if (ah->config.pcie_clock_req) {
 			INIT_INI_ARRAY(&ah->iniPcieSerdes,
 			       ar9280PciePhy_clkreq_off_L1_9280,
 			       ARRAY_SIZE(ar9280PciePhy_clkreq_off_L1_9280), 2);
 		} else {
 			INIT_INI_ARRAY(&ah->iniPcieSerdes,
 			       ar9280PciePhy_clkreq_always_on_L1_9280,
 			       ARRAY_SIZE(ar9280PciePhy_clkreq_always_on_L1_9280), 2);
 		}
 		INIT_INI_ARRAY(&ah->iniModesAdditional,
 			       ar9280Modes_fast_clock_9280_2,
 			       ARRAY_SIZE(ar9280Modes_fast_clock_9280_2), 3);
 	} else if (AR_SREV_9160_10_OR_LATER(ah)) {
 		INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9160,
 			       ARRAY_SIZE(ar5416Modes_9160), 6);
 		INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9160,
 			       ARRAY_SIZE(ar5416Common_9160), 2);
 		INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9160,
 			       ARRAY_SIZE(ar5416Bank0_9160), 2);
 		INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9160,
 			       ARRAY_SIZE(ar5416BB_RfGain_9160), 3);
 		INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9160,
 			       ARRAY_SIZE(ar5416Bank1_9160), 2);
 		INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9160,
 			       ARRAY_SIZE(ar5416Bank2_9160), 2);
 		INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9160,
 			       ARRAY_SIZE(ar5416Bank3_9160), 3);
 		INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9160,
 			       ARRAY_SIZE(ar5416Bank6_9160), 3);
 		INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9160,
 			       ARRAY_SIZE(ar5416Bank6TPC_9160), 3);
 		INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9160,
 			       ARRAY_SIZE(ar5416Bank7_9160), 2);
 		if (AR_SREV_9160_11(ah)) {
 			INIT_INI_ARRAY(&ah->iniAddac,
 				       ar5416Addac_9160_1_1,
 				       ARRAY_SIZE(ar5416Addac_9160_1_1), 2);
 		} else {
 			INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9160,
 				       ARRAY_SIZE(ar5416Addac_9160), 2);
 		}
 	} else if (AR_SREV_9100_OR_LATER(ah)) {
 		INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9100,
 			       ARRAY_SIZE(ar5416Modes_9100), 6);
 		INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9100,
 			       ARRAY_SIZE(ar5416Common_9100), 2);
 		INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9100,
 			       ARRAY_SIZE(ar5416Bank0_9100), 2);
 		INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9100,
 			       ARRAY_SIZE(ar5416BB_RfGain_9100), 3);
 		INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9100,
 			       ARRAY_SIZE(ar5416Bank1_9100), 2);
 		INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9100,
 			       ARRAY_SIZE(ar5416Bank2_9100), 2);
 		INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9100,
 			       ARRAY_SIZE(ar5416Bank3_9100), 3);
 		INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9100,
 			       ARRAY_SIZE(ar5416Bank6_9100), 3);
 		INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9100,
 			       ARRAY_SIZE(ar5416Bank6TPC_9100), 3);
 		INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9100,
 			       ARRAY_SIZE(ar5416Bank7_9100), 2);
 		INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9100,
 			       ARRAY_SIZE(ar5416Addac_9100), 2);
 	} else {
 		INIT_INI_ARRAY(&ah->iniModes, ar5416Modes,
 			       ARRAY_SIZE(ar5416Modes), 6);
 		INIT_INI_ARRAY(&ah->iniCommon, ar5416Common,
 			       ARRAY_SIZE(ar5416Common), 2);
 		INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0,
 			       ARRAY_SIZE(ar5416Bank0), 2);
 		INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain,
 			       ARRAY_SIZE(ar5416BB_RfGain), 3);
 		INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1,
 			       ARRAY_SIZE(ar5416Bank1), 2);
 		INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2,
 			       ARRAY_SIZE(ar5416Bank2), 2);
 		INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3,
 			       ARRAY_SIZE(ar5416Bank3), 3);
 		INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6,
 			       ARRAY_SIZE(ar5416Bank6), 3);
 		INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC,
 			       ARRAY_SIZE(ar5416Bank6TPC), 3);
 		INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7,
 			       ARRAY_SIZE(ar5416Bank7), 2);
 		INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac,
 			       ARRAY_SIZE(ar5416Addac), 2);
 	}
 }

 /* Support for Japan ch.14 (2484) spread */
 void ar9002_hw_cck_chan14_spread(struct ath_hw *ah)
 {
 	if (AR_SREV_9287_11_OR_LATER(ah)) {
 		INIT_INI_ARRAY(&ah->iniCckfirNormal,
 		       ar9287Common_normal_cck_fir_coeff_9287_1_1,
 		       ARRAY_SIZE(ar9287Common_normal_cck_fir_coeff_9287_1_1),
 		       2);
 		INIT_INI_ARRAY(&ah->iniCckfirJapan2484,
 		       ar9287Common_japan_2484_cck_fir_coeff_9287_1_1,
 		       ARRAY_SIZE(ar9287Common_japan_2484_cck_fir_coeff_9287_1_1),
 		       2);
 	}
 }

 static void ar9280_20_hw_init_rxgain_ini(struct ath_hw *ah)
 {
 	u32 rxgain_type;

 	if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >=
 	    AR5416_EEP_MINOR_VER_17) {
 		rxgain_type = ah->eep_ops->get_eeprom(ah, EEP_RXGAIN_TYPE);

 		if (rxgain_type == AR5416_EEP_RXGAIN_13DB_BACKOFF)
 			INIT_INI_ARRAY(&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(&ah->iniModesRxGain,
 			ar9280Modes_backoff_23db_rxgain_9280_2,
 			ARRAY_SIZE(ar9280Modes_backoff_23db_rxgain_9280_2), 6);
 		else
 			INIT_INI_ARRAY(&ah->iniModesRxGain,
 			ar9280Modes_original_rxgain_9280_2,
 			ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
 	} else {
 		INIT_INI_ARRAY(&ah->iniModesRxGain,
 			ar9280Modes_original_rxgain_9280_2,
 			ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
 	}
 }

 static void ar9280_20_hw_init_txgain_ini(struct ath_hw *ah)
 {
 	u32 txgain_type;

 	if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >=
 	    AR5416_EEP_MINOR_VER_19) {
 		txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);

 		if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER)
 			INIT_INI_ARRAY(&ah->iniModesTxGain,
 			ar9280Modes_high_power_tx_gain_9280_2,
 			ARRAY_SIZE(ar9280Modes_high_power_tx_gain_9280_2), 6);
 		else
 			INIT_INI_ARRAY(&ah->iniModesTxGain,
 			ar9280Modes_original_tx_gain_9280_2,
 			ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
 	} else {
 		INIT_INI_ARRAY(&ah->iniModesTxGain,
 		ar9280Modes_original_tx_gain_9280_2,
 		ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
 	}
 }

 static void ar9002_hw_init_mode_gain_regs(struct ath_hw *ah)
 {
 	if (AR_SREV_9287_11_OR_LATER(ah))
 		INIT_INI_ARRAY(&ah->iniModesRxGain,
 		ar9287Modes_rx_gain_9287_1_1,
 		ARRAY_SIZE(ar9287Modes_rx_gain_9287_1_1), 6);
 	else if (AR_SREV_9280_20(ah))
 		ar9280_20_hw_init_rxgain_ini(ah);

 	if (AR_SREV_9287_11_OR_LATER(ah)) {
 		INIT_INI_ARRAY(&ah->iniModesTxGain,
 		ar9287Modes_tx_gain_9287_1_1,
 		ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_1), 6);
 	} else if (AR_SREV_9280_20(ah)) {
 		ar9280_20_hw_init_txgain_ini(ah);
 	} else if (AR_SREV_9285_12_OR_LATER(ah)) {
 		u32 txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);

 		/* txgain table */
 		if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER) {
 			if (AR_SREV_9285E_20(ah)) {
 				INIT_INI_ARRAY(&ah->iniModesTxGain,
 				ar9285Modes_XE2_0_high_power,
 				ARRAY_SIZE(
 				  ar9285Modes_XE2_0_high_power), 6);
 			} else {
 				INIT_INI_ARRAY(&ah->iniModesTxGain,
 				ar9285Modes_high_power_tx_gain_9285_1_2,
 				ARRAY_SIZE(
 				  ar9285Modes_high_power_tx_gain_9285_1_2), 6);
 			}
 		} else {
 			if (AR_SREV_9285E_20(ah)) {
 				INIT_INI_ARRAY(&ah->iniModesTxGain,
 				ar9285Modes_XE2_0_normal_power,
 				ARRAY_SIZE(
 				  ar9285Modes_XE2_0_normal_power), 6);
 			} else {
 				INIT_INI_ARRAY(&ah->iniModesTxGain,
 				ar9285Modes_original_tx_gain_9285_1_2,
 				ARRAY_SIZE(
 				  ar9285Modes_original_tx_gain_9285_1_2), 6);
 			}
 		}
 	}
 }

 /*
  * Helper for ASPM support.
  *
  * Disable PLL when in L0s as well as receiver clock when in L1.
  * This power saving option must be enabled through the SerDes.
  *
  * Programming the SerDes must go through the same 288 bit serial shift
  * register as the other analog registers.  Hence the 9 writes.
  */
 static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
 					 int restore,
 					 int power_off)
 {
 	u8 i;
 	u32 val;

 	if (ah->is_pciexpress != true || ah->aspm_enabled != true)
 		return;

 	/* Nothing to do on restore for 11N */
 	if (!restore) {
 		if (AR_SREV_9280_20_OR_LATER(ah)) {
 			/*
 			 * AR9280 2.0 or later chips use SerDes values from the
 			 * initvals.h initialized depending on chipset during
 			 * __ath9k_hw_init()
 			 */
 			for (i = 0; i < ah->iniPcieSerdes.ia_rows; i++) {
 				REG_WRITE(ah, INI_RA(&ah->iniPcieSerdes, i, 0),
 					  INI_RA(&ah->iniPcieSerdes, i, 1));
 			}
 		} else {
 			ENABLE_REGWRITE_BUFFER(ah);

 			REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
 			REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);

 			/* RX shut off when elecidle is asserted */
 			REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
 			REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
 			REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);

 			/*
 			 * Ignore ah->ah_config.pcie_clock_req setting for
 			 * pre-AR9280 11n
 			 */
 			REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);

 			REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
 			REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
 			REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);

 			/* Load the new settings */
 			REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);

 			REGWRITE_BUFFER_FLUSH(ah);
 		}

 		udelay(1000);
 	}

 	if (power_off) {
 		/* clear bit 19 to disable L1 */
 		REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);

 		val = REG_READ(ah, AR_WA);

 		/*
 		 * Set PCIe workaround bits
 		 * In AR9280 and AR9285, bit 14 in WA register (disable L1)
 		 * should only  be set when device enters D3 and be
 		 * cleared when device comes back to D0.
 		 */
 		if (ah->config.pcie_waen) {
 			if (ah->config.pcie_waen & AR_WA_D3_L1_DISABLE)
 				val |= AR_WA_D3_L1_DISABLE;
 		} else {
 			if (((AR_SREV_9285(ah) ||
 			      AR_SREV_9271(ah) ||
 			      AR_SREV_9287(ah)) &&
 			     (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)) ||
 			    (AR_SREV_9280(ah) &&
 			     (AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE))) {
 				val |= AR_WA_D3_L1_DISABLE;
 			}
 		}

 		if (AR_SREV_9280(ah) || AR_SREV_9285(ah) || AR_SREV_9287(ah)) {
 			/*
 			 * Disable bit 6 and 7 before entering D3 to
 			 * prevent system hang.
 			 */
 			val &= ~(AR_WA_BIT6 | AR_WA_BIT7);
 		}

 		if (AR_SREV_9280(ah))
 			val |= AR_WA_BIT22;

 		if (AR_SREV_9285E_20(ah))
 			val |= AR_WA_BIT23;

 		REG_WRITE(ah, AR_WA, val);
 	} else {
 		if (ah->config.pcie_waen) {
 			val = ah->config.pcie_waen;
 			if (!power_off)
 				val &= (~AR_WA_D3_L1_DISABLE);
 		} else {
 			if (AR_SREV_9285(ah) ||
 			    AR_SREV_9271(ah) ||
 			    AR_SREV_9287(ah)) {
 				val = AR9285_WA_DEFAULT;
 				if (!power_off)
 					val &= (~AR_WA_D3_L1_DISABLE);
 			}
 			else if (AR_SREV_9280(ah)) {
 				/*
 				 * For AR9280 chips, bit 22 of 0x4004
 				 * needs to be set.
 				 */
 				val = AR9280_WA_DEFAULT;
 				if (!power_off)
 					val &= (~AR_WA_D3_L1_DISABLE);
 			} else {
 				val = AR_WA_DEFAULT;
 			}
 		}

 		/* WAR for ASPM system hang */
 		if (AR_SREV_9285(ah) || AR_SREV_9287(ah))
 			val |= (AR_WA_BIT6 | AR_WA_BIT7);

 		if (AR_SREV_9285E_20(ah))
 			val |= AR_WA_BIT23;

 		REG_WRITE(ah, AR_WA, val);

 		/* set bit 19 to allow forcing of pcie core into L1 state */
 		REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
 	}
 }

 static int ar9002_hw_get_radiorev(struct ath_hw *ah)
 {
 	u32 val;
 	int i;

 	ENABLE_REGWRITE_BUFFER(ah);

 	REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
 	for (i = 0; i < 8; i++)
 		REG_WRITE(ah, AR_PHY(0x20), 0x00010000);

 	REGWRITE_BUFFER_FLUSH(ah);

 	val = (REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
 	val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);

 	return ath9k_hw_reverse_bits(val, 8);
 }

 int ar9002_hw_rf_claim(struct ath_hw *ah)
 {
 	u32 val;

 	REG_WRITE(ah, AR_PHY(0), 0x00000007);

 	val = ar9002_hw_get_radiorev(ah);
 	switch (val & AR_RADIO_SREV_MAJOR) {
 	case 0:
 		val = AR_RAD5133_SREV_MAJOR;
 		break;
 	case AR_RAD5133_SREV_MAJOR:
 	case AR_RAD5122_SREV_MAJOR:
 	case AR_RAD2133_SREV_MAJOR:
 	case AR_RAD2122_SREV_MAJOR:
 		break;
 	default:
 		ath_err(ath9k_hw_common(ah),
 			"Radio Chip Rev 0x%02X not supported\n",
 			val & AR_RADIO_SREV_MAJOR);
 		return -EOPNOTSUPP;
 	}

 	ah->hw_version.analog5GhzRev = val;

 	return 0;
 }

 void ar9002_hw_enable_async_fifo(struct ath_hw *ah)
 {
 	if (AR_SREV_9287_13_OR_LATER(ah)) {
 		REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
 				AR_MAC_PCU_ASYNC_FIFO_REG3_DATAPATH_SEL);
 		REG_SET_BIT(ah, AR_PHY_MODE, AR_PHY_MODE_ASYNCFIFO);
 		REG_CLR_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
 				AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
 		REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
 				AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
 	}
 }

 /* Sets up the AR5008/AR9001/AR9002 hardware familiy callbacks */
 void ar9002_hw_attach_ops(struct ath_hw *ah)
 {
 	struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
 	struct ath_hw_ops *ops = ath9k_hw_ops(ah);

 	priv_ops->init_mode_regs = ar9002_hw_init_mode_regs;
 	priv_ops->init_mode_gain_regs = ar9002_hw_init_mode_gain_regs;

 	ops->config_pci_powersave = ar9002_hw_configpcipowersave;

 	ar5008_hw_attach_phy_ops(ah);
 	if (AR_SREV_9280_20_OR_LATER(ah))
 		ar9002_hw_attach_phy_ops(ah);

 	ar9002_hw_attach_calib_ops(ah);
 	ar9002_hw_attach_mac_ops(ah);
 }

 void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan)
 {
 	u32 modesIndex;
 	int i;

 	switch (chan->chanmode) {
 	case CHANNEL_A:
 	case CHANNEL_A_HT20:
 		modesIndex = 1;
 		break;
 	case CHANNEL_A_HT40PLUS:
 	case CHANNEL_A_HT40MINUS:
 		modesIndex = 2;
 		break;
 	case CHANNEL_G:
 	case CHANNEL_G_HT20:
 	case CHANNEL_B:
 		modesIndex = 4;
 		break;
 	case CHANNEL_G_HT40PLUS:
 	case CHANNEL_G_HT40MINUS:
 		modesIndex = 3;
 		break;

 	default:
 		return;
 	}

 	ENABLE_REGWRITE_BUFFER(ah);

 	for (i = 0; i < ah->iniModes_9271_ANI_reg.ia_rows; i++) {
 		u32 reg = INI_RA(&ah->iniModes_9271_ANI_reg, i, 0);
 		u32 val = INI_RA(&ah->iniModes_9271_ANI_reg, i, modesIndex);
 		u32 val_orig;

 		if (reg == AR_PHY_CCK_DETECT) {
 			val_orig = REG_READ(ah, reg);
 			val &= AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK;
 			val_orig &= ~AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK;

 			REG_WRITE(ah, reg, val|val_orig);
 		} else
 			REG_WRITE(ah, reg, val);
 	}

 	REGWRITE_BUFFER_FLUSH(ah);
 }
	/*
	* 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
	* copyright notice and this permission notice appear in all copies.
	*
	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	*/

	#include "hw.h"
	#include "ar5008_initvals.h"
	#include "ar9001_initvals.h"
	#include "ar9002_initvals.h"
	#include "ar9002_phy.h"

	int modparam_force_new_ani;
	module_param_named(force_new_ani, modparam_force_new_ani, int, 0444);
	MODULE_PARM_DESC(force_new_ani, "Force new ANI for AR5008, AR9001, AR9002");

	/* General hardware code for the A5008/AR9001/AR9002 hadware families */

	static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
	{
	if (AR_SREV_9271(ah)) {
	INIT_INI_ARRAY(&ah->iniModes, ar9271Modes_9271,
	ARRAY_SIZE(ar9271Modes_9271), 6);
	INIT_INI_ARRAY(&ah->iniCommon, ar9271Common_9271,
	ARRAY_SIZE(ar9271Common_9271), 2);
	INIT_INI_ARRAY(&ah->iniCommon_normal_cck_fir_coeff_9271,
	ar9271Common_normal_cck_fir_coeff_9271,
	ARRAY_SIZE(ar9271Common_normal_cck_fir_coeff_9271), 2);
	INIT_INI_ARRAY(&ah->iniCommon_japan_2484_cck_fir_coeff_9271,
	ar9271Common_japan_2484_cck_fir_coeff_9271,
	ARRAY_SIZE(ar9271Common_japan_2484_cck_fir_coeff_9271), 2);
	INIT_INI_ARRAY(&ah->iniModes_9271_1_0_only,
	ar9271Modes_9271_1_0_only,
	ARRAY_SIZE(ar9271Modes_9271_1_0_only), 6);
	INIT_INI_ARRAY(&ah->iniModes_9271_ANI_reg, ar9271Modes_9271_ANI_reg,
	ARRAY_SIZE(ar9271Modes_9271_ANI_reg), 6);
	INIT_INI_ARRAY(&ah->iniModes_high_power_tx_gain_9271,
	ar9271Modes_high_power_tx_gain_9271,
	ARRAY_SIZE(ar9271Modes_high_power_tx_gain_9271), 6);
	INIT_INI_ARRAY(&ah->iniModes_normal_power_tx_gain_9271,
	ar9271Modes_normal_power_tx_gain_9271,
	ARRAY_SIZE(ar9271Modes_normal_power_tx_gain_9271), 6);
	return;
	}

	if (AR_SREV_9287_11_OR_LATER(ah)) {
	INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1,
	ARRAY_SIZE(ar9287Modes_9287_1_1), 6);
	INIT_INI_ARRAY(&ah->iniCommon, ar9287Common_9287_1_1,
	ARRAY_SIZE(ar9287Common_9287_1_1), 2);
	if (ah->config.pcie_clock_req)
	INIT_INI_ARRAY(&ah->iniPcieSerdes,
	ar9287PciePhy_clkreq_off_L1_9287_1_1,
	ARRAY_SIZE(ar9287PciePhy_clkreq_off_L1_9287_1_1), 2);
	else
	INIT_INI_ARRAY(&ah->iniPcieSerdes,
	ar9287PciePhy_clkreq_always_on_L1_9287_1_1,
	ARRAY_SIZE(ar9287PciePhy_clkreq_always_on_L1_9287_1_1),
	2);
	} else if (AR_SREV_9285_12_OR_LATER(ah)) {


	INIT_INI_ARRAY(&ah->iniModes, ar9285Modes_9285_1_2,
	ARRAY_SIZE(ar9285Modes_9285_1_2), 6);
	INIT_INI_ARRAY(&ah->iniCommon, ar9285Common_9285_1_2,
	ARRAY_SIZE(ar9285Common_9285_1_2), 2);

	if (ah->config.pcie_clock_req) {
	INIT_INI_ARRAY(&ah->iniPcieSerdes,
	ar9285PciePhy_clkreq_off_L1_9285_1_2,
	ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285_1_2), 2);
	} else {
	INIT_INI_ARRAY(&ah->iniPcieSerdes,
	ar9285PciePhy_clkreq_always_on_L1_9285_1_2,
	ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285_1_2),
	2);
	}
	} else if (AR_SREV_9280_20_OR_LATER(ah)) {
	INIT_INI_ARRAY(&ah->iniModes, ar9280Modes_9280_2,
	ARRAY_SIZE(ar9280Modes_9280_2), 6);
	INIT_INI_ARRAY(&ah->iniCommon, ar9280Common_9280_2,
	ARRAY_SIZE(ar9280Common_9280_2), 2);

	if (ah->config.pcie_clock_req) {
	INIT_INI_ARRAY(&ah->iniPcieSerdes,
	ar9280PciePhy_clkreq_off_L1_9280,
	ARRAY_SIZE(ar9280PciePhy_clkreq_off_L1_9280), 2);
	} else {
	INIT_INI_ARRAY(&ah->iniPcieSerdes,
	ar9280PciePhy_clkreq_always_on_L1_9280,
	ARRAY_SIZE(ar9280PciePhy_clkreq_always_on_L1_9280), 2);
	}
	INIT_INI_ARRAY(&ah->iniModesAdditional,
	ar9280Modes_fast_clock_9280_2,
	ARRAY_SIZE(ar9280Modes_fast_clock_9280_2), 3);
	} else if (AR_SREV_9160_10_OR_LATER(ah)) {
	INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9160,
	ARRAY_SIZE(ar5416Modes_9160), 6);
	INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9160,
	ARRAY_SIZE(ar5416Common_9160), 2);
	INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9160,
	ARRAY_SIZE(ar5416Bank0_9160), 2);
	INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9160,
	ARRAY_SIZE(ar5416BB_RfGain_9160), 3);
	INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9160,
	ARRAY_SIZE(ar5416Bank1_9160), 2);
	INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9160,
	ARRAY_SIZE(ar5416Bank2_9160), 2);
	INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9160,
	ARRAY_SIZE(ar5416Bank3_9160), 3);
	INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9160,
	ARRAY_SIZE(ar5416Bank6_9160), 3);
	INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9160,
	ARRAY_SIZE(ar5416Bank6TPC_9160), 3);
	INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9160,
	ARRAY_SIZE(ar5416Bank7_9160), 2);
	if (AR_SREV_9160_11(ah)) {
	INIT_INI_ARRAY(&ah->iniAddac,
	ar5416Addac_9160_1_1,
	ARRAY_SIZE(ar5416Addac_9160_1_1), 2);
	} else {
	INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9160,
	ARRAY_SIZE(ar5416Addac_9160), 2);
	}
	} else if (AR_SREV_9100_OR_LATER(ah)) {
	INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9100,
	ARRAY_SIZE(ar5416Modes_9100), 6);
	INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9100,
	ARRAY_SIZE(ar5416Common_9100), 2);
	INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9100,
	ARRAY_SIZE(ar5416Bank0_9100), 2);
	INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9100,
	ARRAY_SIZE(ar5416BB_RfGain_9100), 3);
	INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9100,
	ARRAY_SIZE(ar5416Bank1_9100), 2);
	INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9100,
	ARRAY_SIZE(ar5416Bank2_9100), 2);
	INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9100,
	ARRAY_SIZE(ar5416Bank3_9100), 3);
	INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9100,
	ARRAY_SIZE(ar5416Bank6_9100), 3);
	INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9100,
	ARRAY_SIZE(ar5416Bank6TPC_9100), 3);
	INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9100,
	ARRAY_SIZE(ar5416Bank7_9100), 2);
	INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9100,
	ARRAY_SIZE(ar5416Addac_9100), 2);
	} else {
	INIT_INI_ARRAY(&ah->iniModes, ar5416Modes,
	ARRAY_SIZE(ar5416Modes), 6);
	INIT_INI_ARRAY(&ah->iniCommon, ar5416Common,
	ARRAY_SIZE(ar5416Common), 2);
	INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0,
	ARRAY_SIZE(ar5416Bank0), 2);
	INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain,
	ARRAY_SIZE(ar5416BB_RfGain), 3);
	INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1,
	ARRAY_SIZE(ar5416Bank1), 2);
	INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2,
	ARRAY_SIZE(ar5416Bank2), 2);
	INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3,
	ARRAY_SIZE(ar5416Bank3), 3);
	INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6,
	ARRAY_SIZE(ar5416Bank6), 3);
	INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC,
	ARRAY_SIZE(ar5416Bank6TPC), 3);
	INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7,
	ARRAY_SIZE(ar5416Bank7), 2);
	INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac,
	ARRAY_SIZE(ar5416Addac), 2);
	}
	}

	/* Support for Japan ch.14 (2484) spread */
	void ar9002_hw_cck_chan14_spread(struct ath_hw *ah)
	{
	if (AR_SREV_9287_11_OR_LATER(ah)) {
	INIT_INI_ARRAY(&ah->iniCckfirNormal,
	ar9287Common_normal_cck_fir_coeff_9287_1_1,
	ARRAY_SIZE(ar9287Common_normal_cck_fir_coeff_9287_1_1),
	2);
	INIT_INI_ARRAY(&ah->iniCckfirJapan2484,
	ar9287Common_japan_2484_cck_fir_coeff_9287_1_1,
	ARRAY_SIZE(ar9287Common_japan_2484_cck_fir_coeff_9287_1_1),
	2);
	}
	}

	static void ar9280_20_hw_init_rxgain_ini(struct ath_hw *ah)
	{
	u32 rxgain_type;

	if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >=
	AR5416_EEP_MINOR_VER_17) {
	rxgain_type = ah->eep_ops->get_eeprom(ah, EEP_RXGAIN_TYPE);

	if (rxgain_type == AR5416_EEP_RXGAIN_13DB_BACKOFF)
	INIT_INI_ARRAY(&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(&ah->iniModesRxGain,
	ar9280Modes_backoff_23db_rxgain_9280_2,
	ARRAY_SIZE(ar9280Modes_backoff_23db_rxgain_9280_2), 6);
	else
	INIT_INI_ARRAY(&ah->iniModesRxGain,
	ar9280Modes_original_rxgain_9280_2,
	ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
	} else {
	INIT_INI_ARRAY(&ah->iniModesRxGain,
	ar9280Modes_original_rxgain_9280_2,
	ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
	}
	}

	static void ar9280_20_hw_init_txgain_ini(struct ath_hw *ah)
	{
	u32 txgain_type;

	if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >=
	AR5416_EEP_MINOR_VER_19) {
	txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);

	if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER)
	INIT_INI_ARRAY(&ah->iniModesTxGain,
	ar9280Modes_high_power_tx_gain_9280_2,
	ARRAY_SIZE(ar9280Modes_high_power_tx_gain_9280_2), 6);
	else
	INIT_INI_ARRAY(&ah->iniModesTxGain,
	ar9280Modes_original_tx_gain_9280_2,
	ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
	} else {
	INIT_INI_ARRAY(&ah->iniModesTxGain,
	ar9280Modes_original_tx_gain_9280_2,
	ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
	}
	}

	static void ar9002_hw_init_mode_gain_regs(struct ath_hw *ah)
	{
	if (AR_SREV_9287_11_OR_LATER(ah))
	INIT_INI_ARRAY(&ah->iniModesRxGain,
	ar9287Modes_rx_gain_9287_1_1,
	ARRAY_SIZE(ar9287Modes_rx_gain_9287_1_1), 6);
	else if (AR_SREV_9280_20(ah))
	ar9280_20_hw_init_rxgain_ini(ah);

	if (AR_SREV_9287_11_OR_LATER(ah)) {
	INIT_INI_ARRAY(&ah->iniModesTxGain,
	ar9287Modes_tx_gain_9287_1_1,
	ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_1), 6);
	} else if (AR_SREV_9280_20(ah)) {
	ar9280_20_hw_init_txgain_ini(ah);
	} else if (AR_SREV_9285_12_OR_LATER(ah)) {
	u32 txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);

	/* txgain table */
	if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER) {
	if (AR_SREV_9285E_20(ah)) {
	INIT_INI_ARRAY(&ah->iniModesTxGain,
	ar9285Modes_XE2_0_high_power,
	ARRAY_SIZE(
	ar9285Modes_XE2_0_high_power), 6);
	} else {
	INIT_INI_ARRAY(&ah->iniModesTxGain,
	ar9285Modes_high_power_tx_gain_9285_1_2,
	ARRAY_SIZE(
	ar9285Modes_high_power_tx_gain_9285_1_2), 6);
	}
	} else {
	if (AR_SREV_9285E_20(ah)) {
	INIT_INI_ARRAY(&ah->iniModesTxGain,
	ar9285Modes_XE2_0_normal_power,
	ARRAY_SIZE(
	ar9285Modes_XE2_0_normal_power), 6);
	} else {
	INIT_INI_ARRAY(&ah->iniModesTxGain,
	ar9285Modes_original_tx_gain_9285_1_2,
	ARRAY_SIZE(
	ar9285Modes_original_tx_gain_9285_1_2), 6);
	}
	}
	}
	}

	/*
	* Helper for ASPM support.
	*
	* Disable PLL when in L0s as well as receiver clock when in L1.
	* This power saving option must be enabled through the SerDes.
	*
	* Programming the SerDes must go through the same 288 bit serial shift
	* register as the other analog registers. Hence the 9 writes.
	*/
	static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
	int restore,
	int power_off)
	{
	u8 i;
	u32 val;

	if (ah->is_pciexpress != true \|\| ah->aspm_enabled != true)
	return;

	/* Nothing to do on restore for 11N */
	if (!restore) {
	if (AR_SREV_9280_20_OR_LATER(ah)) {
	/*
	* AR9280 2.0 or later chips use SerDes values from the
	* initvals.h initialized depending on chipset during
	* __ath9k_hw_init()
	*/
	for (i = 0; i < ah->iniPcieSerdes.ia_rows; i++) {
	REG_WRITE(ah, INI_RA(&ah->iniPcieSerdes, i, 0),
	INI_RA(&ah->iniPcieSerdes, i, 1));
	}
	} else {
	ENABLE_REGWRITE_BUFFER(ah);

	REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
	REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);

	/* RX shut off when elecidle is asserted */
	REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
	REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
	REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);

	/*
	* Ignore ah->ah_config.pcie_clock_req setting for
	* pre-AR9280 11n
	*/
	REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);

	REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
	REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
	REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);

	/* Load the new settings */
	REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);

	REGWRITE_BUFFER_FLUSH(ah);
	}

	udelay(1000);
	}

	if (power_off) {
	/* clear bit 19 to disable L1 */
	REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);

	val = REG_READ(ah, AR_WA);

	/*
	* Set PCIe workaround bits
	* In AR9280 and AR9285, bit 14 in WA register (disable L1)
	* should only be set when device enters D3 and be
	* cleared when device comes back to D0.
	*/
	if (ah->config.pcie_waen) {
	if (ah->config.pcie_waen & AR_WA_D3_L1_DISABLE)
	val \|= AR_WA_D3_L1_DISABLE;
	} else {
	if (((AR_SREV_9285(ah) \|\|
	AR_SREV_9271(ah) \|\|
	AR_SREV_9287(ah)) &&
	(AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)) \|\|
	(AR_SREV_9280(ah) &&
	(AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE))) {
	val \|= AR_WA_D3_L1_DISABLE;
	}
	}

	if (AR_SREV_9280(ah) \|\| AR_SREV_9285(ah) \|\| AR_SREV_9287(ah)) {
	/*
	* Disable bit 6 and 7 before entering D3 to
	* prevent system hang.
	*/
	val &= ~(AR_WA_BIT6 \| AR_WA_BIT7);
	}

	if (AR_SREV_9280(ah))
	val \|= AR_WA_BIT22;

	if (AR_SREV_9285E_20(ah))
	val \|= AR_WA_BIT23;

	REG_WRITE(ah, AR_WA, val);
	} else {
	if (ah->config.pcie_waen) {
	val = ah->config.pcie_waen;
	if (!power_off)
	val &= (~AR_WA_D3_L1_DISABLE);
	} else {
	if (AR_SREV_9285(ah) \|\|
	AR_SREV_9271(ah) \|\|
	AR_SREV_9287(ah)) {
	val = AR9285_WA_DEFAULT;
	if (!power_off)
	val &= (~AR_WA_D3_L1_DISABLE);
	}
	else if (AR_SREV_9280(ah)) {
	/*
	* For AR9280 chips, bit 22 of 0x4004
	* needs to be set.
	*/
	val = AR9280_WA_DEFAULT;
	if (!power_off)
	val &= (~AR_WA_D3_L1_DISABLE);
	} else {
	val = AR_WA_DEFAULT;
	}
	}

	/* WAR for ASPM system hang */
	if (AR_SREV_9285(ah) \|\| AR_SREV_9287(ah))
	val \|= (AR_WA_BIT6 \| AR_WA_BIT7);

	if (AR_SREV_9285E_20(ah))
	val \|= AR_WA_BIT23;

	REG_WRITE(ah, AR_WA, val);

	/* set bit 19 to allow forcing of pcie core into L1 state */
	REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
	}
	}

	static int ar9002_hw_get_radiorev(struct ath_hw *ah)
	{
	u32 val;
	int i;

	ENABLE_REGWRITE_BUFFER(ah);

	REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
	for (i = 0; i < 8; i++)
	REG_WRITE(ah, AR_PHY(0x20), 0x00010000);

	REGWRITE_BUFFER_FLUSH(ah);

	val = (REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
	val = ((val & 0xf0) >> 4) \| ((val & 0x0f) << 4);

	return ath9k_hw_reverse_bits(val, 8);
	}

	int ar9002_hw_rf_claim(struct ath_hw *ah)
	{
	u32 val;

	REG_WRITE(ah, AR_PHY(0), 0x00000007);

	val = ar9002_hw_get_radiorev(ah);
	switch (val & AR_RADIO_SREV_MAJOR) {
	case 0:
	val = AR_RAD5133_SREV_MAJOR;
	break;
	case AR_RAD5133_SREV_MAJOR:
	case AR_RAD5122_SREV_MAJOR:
	case AR_RAD2133_SREV_MAJOR:
	case AR_RAD2122_SREV_MAJOR:
	break;
	default:
	ath_err(ath9k_hw_common(ah),
	"Radio Chip Rev 0x%02X not supported\n",
	val & AR_RADIO_SREV_MAJOR);
	return -EOPNOTSUPP;
	}

	ah->hw_version.analog5GhzRev = val;

	return 0;
	}

	void ar9002_hw_enable_async_fifo(struct ath_hw *ah)
	{
	if (AR_SREV_9287_13_OR_LATER(ah)) {
	REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
	AR_MAC_PCU_ASYNC_FIFO_REG3_DATAPATH_SEL);
	REG_SET_BIT(ah, AR_PHY_MODE, AR_PHY_MODE_ASYNCFIFO);
	REG_CLR_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
	AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
	REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
	AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
	}
	}

	/* Sets up the AR5008/AR9001/AR9002 hardware familiy callbacks */
	void ar9002_hw_attach_ops(struct ath_hw *ah)
	{
	struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
	struct ath_hw_ops *ops = ath9k_hw_ops(ah);

	priv_ops->init_mode_regs = ar9002_hw_init_mode_regs;
	priv_ops->init_mode_gain_regs = ar9002_hw_init_mode_gain_regs;

	ops->config_pci_powersave = ar9002_hw_configpcipowersave;

	ar5008_hw_attach_phy_ops(ah);
	if (AR_SREV_9280_20_OR_LATER(ah))
	ar9002_hw_attach_phy_ops(ah);

	ar9002_hw_attach_calib_ops(ah);
	ar9002_hw_attach_mac_ops(ah);
	}

	void ar9002_hw_load_ani_reg(struct ath_hw ah, struct ath9k_channel chan)
	{
	u32 modesIndex;
	int i;

	switch (chan->chanmode) {
	case CHANNEL_A:
	case CHANNEL_A_HT20:
	modesIndex = 1;
	break;
	case CHANNEL_A_HT40PLUS:
	case CHANNEL_A_HT40MINUS:
	modesIndex = 2;
	break;
	case CHANNEL_G:
	case CHANNEL_G_HT20:
	case CHANNEL_B:
	modesIndex = 4;
	break;
	case CHANNEL_G_HT40PLUS:
	case CHANNEL_G_HT40MINUS:
	modesIndex = 3;
	break;

	default:
	return;
	}

	ENABLE_REGWRITE_BUFFER(ah);

	for (i = 0; i < ah->iniModes_9271_ANI_reg.ia_rows; i++) {
	u32 reg = INI_RA(&ah->iniModes_9271_ANI_reg, i, 0);
	u32 val = INI_RA(&ah->iniModes_9271_ANI_reg, i, modesIndex);
	u32 val_orig;

	if (reg == AR_PHY_CCK_DETECT) {
	val_orig = REG_READ(ah, reg);
	val &= AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK;
	val_orig &= ~AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK;

	REG_WRITE(ah, reg, val\|val_orig);
	} else
	REG_WRITE(ah, reg, val);
	}

	REGWRITE_BUFFER_FLUSH(ah);
	}