| /* |
| * Copyright (c) 2008-2011 Atheros Communications Inc. |
| * |
| * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011 |
| * Original from Linux kernel 3.0.1 |
| * |
| * 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. |
| */ |
| |
| FILE_LICENCE ( BSD2 ); |
| |
| #include "hw.h" |
| #include "ar5008_initvals.h" |
| #include "ar9001_initvals.h" |
| #include "ar9002_initvals.h" |
| #include "ar9002_phy.h" |
| |
| int modparam_force_new_ani; |
| |
| /* 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 != 1) |
| 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); |
| } |
| |
| 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: |
| DBG("ath9k: " |
| "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; |
| |
| 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; |
| unsigned 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); |
| } |