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path: root/drivers/net/wireless/ath/ath9k/ar9002_hw.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9002_hw.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9002_hw.c593
1 files changed, 593 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
new file mode 100644
index 000000000000..adb33b34a56d
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
@@ -0,0 +1,593 @@
+/*
+ * Copyright (c) 2008-2010 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"
+
+/* General hardware code for the A5008/AR9001/AR9002 hadware families */
+
+static bool ar9002_hw_macversion_supported(u32 macversion)
+{
+ switch (macversion) {
+ case AR_SREV_VERSION_5416_PCI:
+ case AR_SREV_VERSION_5416_PCIE:
+ case AR_SREV_VERSION_9160:
+ case AR_SREV_VERSION_9100:
+ case AR_SREV_VERSION_9280:
+ case AR_SREV_VERSION_9285:
+ case AR_SREV_VERSION_9287:
+ case AR_SREV_VERSION_9271:
+ return true;
+ default:
+ break;
+ }
+ return false;
+}
+
+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_9287_10_OR_LATER(ah)) {
+ INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_0,
+ ARRAY_SIZE(ar9287Modes_9287_1_0), 6);
+ INIT_INI_ARRAY(&ah->iniCommon, ar9287Common_9287_1_0,
+ ARRAY_SIZE(ar9287Common_9287_1_0), 2);
+
+ if (ah->config.pcie_clock_req)
+ INIT_INI_ARRAY(&ah->iniPcieSerdes,
+ ar9287PciePhy_clkreq_off_L1_9287_1_0,
+ ARRAY_SIZE(ar9287PciePhy_clkreq_off_L1_9287_1_0), 2);
+ else
+ INIT_INI_ARRAY(&ah->iniPcieSerdes,
+ ar9287PciePhy_clkreq_always_on_L1_9287_1_0,
+ ARRAY_SIZE(ar9287PciePhy_clkreq_always_on_L1_9287_1_0),
+ 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_9285_10_OR_LATER(ah)) {
+ INIT_INI_ARRAY(&ah->iniModes, ar9285Modes_9285,
+ ARRAY_SIZE(ar9285Modes_9285), 6);
+ INIT_INI_ARRAY(&ah->iniCommon, ar9285Common_9285,
+ ARRAY_SIZE(ar9285Common_9285), 2);
+
+ if (ah->config.pcie_clock_req) {
+ INIT_INI_ARRAY(&ah->iniPcieSerdes,
+ ar9285PciePhy_clkreq_off_L1_9285,
+ ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285), 2);
+ } else {
+ INIT_INI_ARRAY(&ah->iniPcieSerdes,
+ ar9285PciePhy_clkreq_always_on_L1_9285,
+ ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285), 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_9280_10_OR_LATER(ah)) {
+ INIT_INI_ARRAY(&ah->iniModes, ar9280Modes_9280,
+ ARRAY_SIZE(ar9280Modes_9280), 6);
+ INIT_INI_ARRAY(&ah->iniCommon, ar9280Common_9280,
+ ARRAY_SIZE(ar9280Common_9280), 2);
+ } 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_91601_1,
+ ARRAY_SIZE(ar5416Addac_91601_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_92871_1,
+ ARRAY_SIZE(ar9287Common_normal_cck_fir_coeff_92871_1),
+ 2);
+ INIT_INI_ARRAY(&ah->iniCckfirJapan2484,
+ ar9287Common_japan_2484_cck_fir_coeff_92871_1,
+ ARRAY_SIZE(ar9287Common_japan_2484_cck_fir_coeff_92871_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_9287_10(ah))
+ INIT_INI_ARRAY(&ah->iniModesRxGain,
+ ar9287Modes_rx_gain_9287_1_0,
+ ARRAY_SIZE(ar9287Modes_rx_gain_9287_1_0), 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_9287_10(ah)) {
+ INIT_INI_ARRAY(&ah->iniModesTxGain,
+ ar9287Modes_tx_gain_9287_1_0,
+ ARRAY_SIZE(ar9287Modes_tx_gain_9287_1_0), 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)
+ 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 if (AR_SREV_9280(ah) &&
+ (ah->hw_version.macRev == AR_SREV_REVISION_9280_10)) {
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fd00);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
+
+ /* RX shut off when elecidle is asserted */
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xa8000019);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x13160820);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980560);
+
+ /* Shut off CLKREQ active in L1 */
+ if (ah->config.pcie_clock_req)
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffc);
+ else
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffd);
+
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x00043007);
+
+ /* Load the new settings */
+ REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
+
+ } else {
+ 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);
+ }
+
+ udelay(1000);
+
+ /* 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);
+
+ /* Several PCIe massages to ensure proper behaviour */
+ 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)) {
+ /*
+ * On AR9280 chips bit 22 of 0x4004 needs to be
+ * set otherwise card may disappear.
+ */
+ val = AR9280_WA_DEFAULT;
+ if (!power_off)
+ val &= (~AR_WA_D3_L1_DISABLE);
+ } else
+ val = AR_WA_DEFAULT;
+ }
+
+ REG_WRITE(ah, AR_WA, val);
+ }
+
+ if (power_off) {
+ /*
+ * Set PCIe workaround bits
+ * 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)
+ REG_SET_BIT(ah, AR_WA, 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))) {
+ REG_SET_BIT(ah, AR_WA, AR_WA_D3_L1_DISABLE);
+ }
+ }
+ }
+}
+
+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;
+}
+
+/*
+ * Enable ASYNC FIFO
+ *
+ * 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_enable_async_fifo(struct ath_hw *ah)
+{
+ if (AR_SREV_9287_12_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_12_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_10_OR_LATER(ah))
+ ar9002_hw_attach_phy_ops(ah);
+
+ ar9002_hw_attach_calib_ops(ah);
+ ar9002_hw_attach_mac_ops(ah);
+}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-25 23:58:53 +0300