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	 7a37081e2e
			
		
	
	
		7a37081e2e
		
	
	
	
	
		
			
			Since AR9280 v1.0 was never sold (and the initvals removed), v1.0 specific revision checks can be removed and the 'v2.0 or later' check can be simplified to a check for AR9280 or later. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
		
			
				
	
	
		
			633 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			633 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2008-2010 Atheros Communications Inc.
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|  *
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|  * Permission to use, copy, modify, and/or distribute this software for any
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|  * purpose with or without fee is hereby granted, provided that the above
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|  * copyright notice and this permission notice appear in all copies.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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|  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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|  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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|  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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|  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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|  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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|  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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|  */
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| 
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| #include "hw.h"
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| #include "ar5008_initvals.h"
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| #include "ar9001_initvals.h"
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| #include "ar9002_initvals.h"
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| #include "ar9002_phy.h"
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| 
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| int modparam_force_new_ani;
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| module_param_named(force_new_ani, modparam_force_new_ani, int, 0444);
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| MODULE_PARM_DESC(nohwcrypt, "Force new ANI for AR5008, AR9001, AR9002");
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| 
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| /* General hardware code for the A5008/AR9001/AR9002 hadware families */
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| 
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| static bool ar9002_hw_macversion_supported(u32 macversion)
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| {
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| 	switch (macversion) {
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| 	case AR_SREV_VERSION_5416_PCI:
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| 	case AR_SREV_VERSION_5416_PCIE:
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| 	case AR_SREV_VERSION_9160:
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| 	case AR_SREV_VERSION_9100:
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| 	case AR_SREV_VERSION_9280:
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| 	case AR_SREV_VERSION_9285:
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| 	case AR_SREV_VERSION_9287:
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| 	case AR_SREV_VERSION_9271:
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| 		return true;
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| 	default:
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| 		break;
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| 	}
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| 	return false;
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| }
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| 
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| static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
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| {
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| 	if (AR_SREV_9271(ah)) {
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| 		INIT_INI_ARRAY(&ah->iniModes, ar9271Modes_9271,
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| 			       ARRAY_SIZE(ar9271Modes_9271), 6);
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| 		INIT_INI_ARRAY(&ah->iniCommon, ar9271Common_9271,
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| 			       ARRAY_SIZE(ar9271Common_9271), 2);
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| 		INIT_INI_ARRAY(&ah->iniCommon_normal_cck_fir_coeff_9271,
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| 			       ar9271Common_normal_cck_fir_coeff_9271,
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| 			       ARRAY_SIZE(ar9271Common_normal_cck_fir_coeff_9271), 2);
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| 		INIT_INI_ARRAY(&ah->iniCommon_japan_2484_cck_fir_coeff_9271,
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| 			       ar9271Common_japan_2484_cck_fir_coeff_9271,
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| 			       ARRAY_SIZE(ar9271Common_japan_2484_cck_fir_coeff_9271), 2);
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| 		INIT_INI_ARRAY(&ah->iniModes_9271_1_0_only,
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| 			       ar9271Modes_9271_1_0_only,
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| 			       ARRAY_SIZE(ar9271Modes_9271_1_0_only), 6);
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| 		INIT_INI_ARRAY(&ah->iniModes_9271_ANI_reg, ar9271Modes_9271_ANI_reg,
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| 			       ARRAY_SIZE(ar9271Modes_9271_ANI_reg), 6);
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| 		INIT_INI_ARRAY(&ah->iniModes_high_power_tx_gain_9271,
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| 			       ar9271Modes_high_power_tx_gain_9271,
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| 			       ARRAY_SIZE(ar9271Modes_high_power_tx_gain_9271), 6);
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| 		INIT_INI_ARRAY(&ah->iniModes_normal_power_tx_gain_9271,
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| 			       ar9271Modes_normal_power_tx_gain_9271,
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| 			       ARRAY_SIZE(ar9271Modes_normal_power_tx_gain_9271), 6);
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| 		return;
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| 	}
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| 
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| 	if (AR_SREV_9287_11_OR_LATER(ah)) {
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| 		INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1,
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| 				ARRAY_SIZE(ar9287Modes_9287_1_1), 6);
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| 		INIT_INI_ARRAY(&ah->iniCommon, ar9287Common_9287_1_1,
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| 				ARRAY_SIZE(ar9287Common_9287_1_1), 2);
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| 		if (ah->config.pcie_clock_req)
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| 			INIT_INI_ARRAY(&ah->iniPcieSerdes,
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| 			ar9287PciePhy_clkreq_off_L1_9287_1_1,
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| 			ARRAY_SIZE(ar9287PciePhy_clkreq_off_L1_9287_1_1), 2);
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| 		else
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| 			INIT_INI_ARRAY(&ah->iniPcieSerdes,
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| 			ar9287PciePhy_clkreq_always_on_L1_9287_1_1,
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| 			ARRAY_SIZE(ar9287PciePhy_clkreq_always_on_L1_9287_1_1),
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| 					2);
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| 	} else if (AR_SREV_9285_12_OR_LATER(ah)) {
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| 
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| 
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| 		INIT_INI_ARRAY(&ah->iniModes, ar9285Modes_9285_1_2,
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| 			       ARRAY_SIZE(ar9285Modes_9285_1_2), 6);
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| 		INIT_INI_ARRAY(&ah->iniCommon, ar9285Common_9285_1_2,
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| 			       ARRAY_SIZE(ar9285Common_9285_1_2), 2);
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| 
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| 		if (ah->config.pcie_clock_req) {
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| 			INIT_INI_ARRAY(&ah->iniPcieSerdes,
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| 			ar9285PciePhy_clkreq_off_L1_9285_1_2,
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| 			ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285_1_2), 2);
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| 		} else {
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| 			INIT_INI_ARRAY(&ah->iniPcieSerdes,
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| 			ar9285PciePhy_clkreq_always_on_L1_9285_1_2,
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| 			ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285_1_2),
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| 				  2);
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| 		}
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| 	} else if (AR_SREV_9280_20_OR_LATER(ah)) {
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| 		INIT_INI_ARRAY(&ah->iniModes, ar9280Modes_9280_2,
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| 			       ARRAY_SIZE(ar9280Modes_9280_2), 6);
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| 		INIT_INI_ARRAY(&ah->iniCommon, ar9280Common_9280_2,
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| 			       ARRAY_SIZE(ar9280Common_9280_2), 2);
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| 
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| 		if (ah->config.pcie_clock_req) {
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| 			INIT_INI_ARRAY(&ah->iniPcieSerdes,
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| 			       ar9280PciePhy_clkreq_off_L1_9280,
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| 			       ARRAY_SIZE(ar9280PciePhy_clkreq_off_L1_9280), 2);
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| 		} else {
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| 			INIT_INI_ARRAY(&ah->iniPcieSerdes,
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| 			       ar9280PciePhy_clkreq_always_on_L1_9280,
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| 			       ARRAY_SIZE(ar9280PciePhy_clkreq_always_on_L1_9280), 2);
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| 		}
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| 		INIT_INI_ARRAY(&ah->iniModesAdditional,
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| 			       ar9280Modes_fast_clock_9280_2,
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| 			       ARRAY_SIZE(ar9280Modes_fast_clock_9280_2), 3);
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| 	} else if (AR_SREV_9160_10_OR_LATER(ah)) {
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| 		INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9160,
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| 			       ARRAY_SIZE(ar5416Modes_9160), 6);
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| 		INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9160,
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| 			       ARRAY_SIZE(ar5416Common_9160), 2);
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| 		INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9160,
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| 			       ARRAY_SIZE(ar5416Bank0_9160), 2);
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| 		INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9160,
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| 			       ARRAY_SIZE(ar5416BB_RfGain_9160), 3);
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| 		INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9160,
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| 			       ARRAY_SIZE(ar5416Bank1_9160), 2);
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| 		INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9160,
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| 			       ARRAY_SIZE(ar5416Bank2_9160), 2);
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| 		INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9160,
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| 			       ARRAY_SIZE(ar5416Bank3_9160), 3);
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| 		INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9160,
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| 			       ARRAY_SIZE(ar5416Bank6_9160), 3);
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| 		INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9160,
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| 			       ARRAY_SIZE(ar5416Bank6TPC_9160), 3);
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| 		INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9160,
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| 			       ARRAY_SIZE(ar5416Bank7_9160), 2);
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| 		if (AR_SREV_9160_11(ah)) {
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| 			INIT_INI_ARRAY(&ah->iniAddac,
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| 				       ar5416Addac_9160_1_1,
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| 				       ARRAY_SIZE(ar5416Addac_9160_1_1), 2);
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| 		} else {
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| 			INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9160,
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| 				       ARRAY_SIZE(ar5416Addac_9160), 2);
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| 		}
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| 	} else if (AR_SREV_9100_OR_LATER(ah)) {
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| 		INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9100,
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| 			       ARRAY_SIZE(ar5416Modes_9100), 6);
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| 		INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9100,
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| 			       ARRAY_SIZE(ar5416Common_9100), 2);
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| 		INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9100,
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| 			       ARRAY_SIZE(ar5416Bank0_9100), 2);
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| 		INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9100,
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| 			       ARRAY_SIZE(ar5416BB_RfGain_9100), 3);
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| 		INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9100,
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| 			       ARRAY_SIZE(ar5416Bank1_9100), 2);
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| 		INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9100,
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| 			       ARRAY_SIZE(ar5416Bank2_9100), 2);
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| 		INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9100,
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| 			       ARRAY_SIZE(ar5416Bank3_9100), 3);
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| 		INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9100,
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| 			       ARRAY_SIZE(ar5416Bank6_9100), 3);
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| 		INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9100,
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| 			       ARRAY_SIZE(ar5416Bank6TPC_9100), 3);
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| 		INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9100,
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| 			       ARRAY_SIZE(ar5416Bank7_9100), 2);
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| 		INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9100,
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| 			       ARRAY_SIZE(ar5416Addac_9100), 2);
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| 	} else {
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| 		INIT_INI_ARRAY(&ah->iniModes, ar5416Modes,
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| 			       ARRAY_SIZE(ar5416Modes), 6);
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| 		INIT_INI_ARRAY(&ah->iniCommon, ar5416Common,
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| 			       ARRAY_SIZE(ar5416Common), 2);
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| 		INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0,
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| 			       ARRAY_SIZE(ar5416Bank0), 2);
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| 		INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain,
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| 			       ARRAY_SIZE(ar5416BB_RfGain), 3);
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| 		INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1,
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| 			       ARRAY_SIZE(ar5416Bank1), 2);
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| 		INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2,
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| 			       ARRAY_SIZE(ar5416Bank2), 2);
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| 		INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3,
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| 			       ARRAY_SIZE(ar5416Bank3), 3);
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| 		INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6,
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| 			       ARRAY_SIZE(ar5416Bank6), 3);
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| 		INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC,
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| 			       ARRAY_SIZE(ar5416Bank6TPC), 3);
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| 		INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7,
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| 			       ARRAY_SIZE(ar5416Bank7), 2);
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| 		INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac,
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| 			       ARRAY_SIZE(ar5416Addac), 2);
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| 	}
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| }
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| 
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| /* Support for Japan ch.14 (2484) spread */
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| void ar9002_hw_cck_chan14_spread(struct ath_hw *ah)
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| {
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| 	if (AR_SREV_9287_11_OR_LATER(ah)) {
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| 		INIT_INI_ARRAY(&ah->iniCckfirNormal,
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| 		       ar9287Common_normal_cck_fir_coeff_9287_1_1,
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| 		       ARRAY_SIZE(ar9287Common_normal_cck_fir_coeff_9287_1_1),
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| 		       2);
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| 		INIT_INI_ARRAY(&ah->iniCckfirJapan2484,
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| 		       ar9287Common_japan_2484_cck_fir_coeff_9287_1_1,
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| 		       ARRAY_SIZE(ar9287Common_japan_2484_cck_fir_coeff_9287_1_1),
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| 		       2);
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| 	}
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| }
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| 
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| static void ar9280_20_hw_init_rxgain_ini(struct ath_hw *ah)
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| {
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| 	u32 rxgain_type;
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| 
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| 	if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >=
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| 	    AR5416_EEP_MINOR_VER_17) {
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| 		rxgain_type = ah->eep_ops->get_eeprom(ah, EEP_RXGAIN_TYPE);
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| 
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| 		if (rxgain_type == AR5416_EEP_RXGAIN_13DB_BACKOFF)
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| 			INIT_INI_ARRAY(&ah->iniModesRxGain,
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| 			ar9280Modes_backoff_13db_rxgain_9280_2,
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| 			ARRAY_SIZE(ar9280Modes_backoff_13db_rxgain_9280_2), 6);
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| 		else if (rxgain_type == AR5416_EEP_RXGAIN_23DB_BACKOFF)
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| 			INIT_INI_ARRAY(&ah->iniModesRxGain,
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| 			ar9280Modes_backoff_23db_rxgain_9280_2,
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| 			ARRAY_SIZE(ar9280Modes_backoff_23db_rxgain_9280_2), 6);
 | |
| 		else
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| 			INIT_INI_ARRAY(&ah->iniModesRxGain,
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| 			ar9280Modes_original_rxgain_9280_2,
 | |
| 			ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
 | |
| 	} else {
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| 		INIT_INI_ARRAY(&ah->iniModesRxGain,
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| 			ar9280Modes_original_rxgain_9280_2,
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| 			ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
 | |
| 	}
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| }
 | |
| 
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| static void ar9280_20_hw_init_txgain_ini(struct ath_hw *ah)
 | |
| {
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| 	u32 txgain_type;
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| 
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| 	if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >=
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| 	    AR5416_EEP_MINOR_VER_19) {
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| 		txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
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| 
 | |
| 		if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER)
 | |
| 			INIT_INI_ARRAY(&ah->iniModesTxGain,
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| 			ar9280Modes_high_power_tx_gain_9280_2,
 | |
| 			ARRAY_SIZE(ar9280Modes_high_power_tx_gain_9280_2), 6);
 | |
| 		else
 | |
| 			INIT_INI_ARRAY(&ah->iniModesTxGain,
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| 			ar9280Modes_original_tx_gain_9280_2,
 | |
| 			ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
 | |
| 	} else {
 | |
| 		INIT_INI_ARRAY(&ah->iniModesTxGain,
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| 		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);
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| 	else if (AR_SREV_9280_20(ah))
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| 		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)) {
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| 		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 {
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| 				INIT_INI_ARRAY(&ah->iniModesTxGain,
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| 				ar9285Modes_high_power_tx_gain_9285_1_2,
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| 				ARRAY_SIZE(
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| 				  ar9285Modes_high_power_tx_gain_9285_1_2), 6);
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| 			}
 | |
| 		} else {
 | |
| 			if (AR_SREV_9285E_20(ah)) {
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| 				INIT_INI_ARRAY(&ah->iniModesTxGain,
 | |
| 				ar9285Modes_XE2_0_normal_power,
 | |
| 				ARRAY_SIZE(
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| 				  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)
 | |
| 		return;
 | |
| 
 | |
| 	/* Do not touch SerDes registers */
 | |
| 	if (ah->config.pcie_powersave_enable == 2)
 | |
| 		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);
 | |
| 			DISABLE_REGWRITE_BUFFER(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_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_9280(ah) || 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);
 | |
| 	DISABLE_REGWRITE_BUFFER(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_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
 | |
| 			  "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);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * If Async FIFO is enabled, the following counters change as MAC now runs
 | |
|  * at 117 Mhz instead of 88/44MHz when async FIFO is disabled.
 | |
|  *
 | |
|  * The values below tested for ht40 2 chain.
 | |
|  * Overwrite the delay/timeouts initialized in process ini.
 | |
|  */
 | |
| void ar9002_hw_update_async_fifo(struct ath_hw *ah)
 | |
| {
 | |
| 	if (AR_SREV_9287_13_OR_LATER(ah)) {
 | |
| 		REG_WRITE(ah, AR_D_GBL_IFS_SIFS,
 | |
| 			  AR_D_GBL_IFS_SIFS_ASYNC_FIFO_DUR);
 | |
| 		REG_WRITE(ah, AR_D_GBL_IFS_SLOT,
 | |
| 			  AR_D_GBL_IFS_SLOT_ASYNC_FIFO_DUR);
 | |
| 		REG_WRITE(ah, AR_D_GBL_IFS_EIFS,
 | |
| 			  AR_D_GBL_IFS_EIFS_ASYNC_FIFO_DUR);
 | |
| 
 | |
| 		REG_WRITE(ah, AR_TIME_OUT, AR_TIME_OUT_ACK_CTS_ASYNC_FIFO_DUR);
 | |
| 		REG_WRITE(ah, AR_USEC, AR_USEC_ASYNC_FIFO_DUR);
 | |
| 
 | |
| 		REG_SET_BIT(ah, AR_MAC_PCU_LOGIC_ANALYZER,
 | |
| 			    AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768);
 | |
| 		REG_RMW_FIELD(ah, AR_AHB_MODE, AR_AHB_CUSTOM_BURST_EN,
 | |
| 			      AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * We don't enable WEP aggregation on mac80211 but we keep this
 | |
|  * around for HAL unification purposes.
 | |
|  */
 | |
| void ar9002_hw_enable_wep_aggregation(struct ath_hw *ah)
 | |
| {
 | |
| 	if (AR_SREV_9287_13_OR_LATER(ah)) {
 | |
| 		REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
 | |
| 			    AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /* 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;
 | |
| 	priv_ops->macversion_supported = ar9002_hw_macversion_supported;
 | |
| 
 | |
| 	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);
 | |
| 
 | |
| 	if (modparam_force_new_ani)
 | |
| 		ath9k_hw_attach_ani_ops_new(ah);
 | |
| 	else
 | |
| 		ath9k_hw_attach_ani_ops_old(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);
 | |
| 	DISABLE_REGWRITE_BUFFER(ah);
 | |
| 
 | |
| }
 |