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path: root/drivers/net/wireless/ath/ath9k/hw.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c1913
1 files changed, 437 insertions, 1476 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 78b571129c92..c33f17dbe6f1 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008-2009 Atheros Communications Inc.
+ * 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
@@ -19,18 +19,16 @@
#include <asm/unaligned.h>
#include "hw.h"
+#include "hw-ops.h"
#include "rc.h"
-#include "initvals.h"
+#include "ar9003_mac.h"
#define ATH9K_CLOCK_RATE_CCK 22
#define ATH9K_CLOCK_RATE_5GHZ_OFDM 40
#define ATH9K_CLOCK_RATE_2GHZ_OFDM 44
+#define ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM 44
static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type);
-static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan);
-static u32 ath9k_hw_ini_fixup(struct ath_hw *ah,
- struct ar5416_eeprom_def *pEepData,
- u32 reg, u32 value);
MODULE_AUTHOR("Atheros Communications");
MODULE_DESCRIPTION("Support for Atheros 802.11n wireless LAN cards.");
@@ -49,6 +47,39 @@ static void __exit ath9k_exit(void)
}
module_exit(ath9k_exit);
+/* Private hardware callbacks */
+
+static void ath9k_hw_init_cal_settings(struct ath_hw *ah)
+{
+ ath9k_hw_private_ops(ah)->init_cal_settings(ah);
+}
+
+static void ath9k_hw_init_mode_regs(struct ath_hw *ah)
+{
+ ath9k_hw_private_ops(ah)->init_mode_regs(ah);
+}
+
+static bool ath9k_hw_macversion_supported(struct ath_hw *ah)
+{
+ struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
+
+ return priv_ops->macversion_supported(ah->hw_version.macVersion);
+}
+
+static u32 ath9k_hw_compute_pll_control(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+{
+ return ath9k_hw_private_ops(ah)->compute_pll_control(ah, chan);
+}
+
+static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah)
+{
+ if (!ath9k_hw_private_ops(ah)->init_mode_gain_regs)
+ return;
+
+ ath9k_hw_private_ops(ah)->init_mode_gain_regs(ah);
+}
+
/********************/
/* Helper Functions */
/********************/
@@ -61,7 +92,11 @@ static u32 ath9k_hw_mac_clks(struct ath_hw *ah, u32 usecs)
return usecs *ATH9K_CLOCK_RATE_CCK;
if (conf->channel->band == IEEE80211_BAND_2GHZ)
return usecs *ATH9K_CLOCK_RATE_2GHZ_OFDM;
- return usecs *ATH9K_CLOCK_RATE_5GHZ_OFDM;
+
+ if (ah->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK)
+ return usecs * ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM;
+ else
+ return usecs * ATH9K_CLOCK_RATE_5GHZ_OFDM;
}
static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs)
@@ -236,21 +271,6 @@ static void ath9k_hw_read_revisions(struct ath_hw *ah)
}
}
-static int ath9k_hw_get_radiorev(struct ath_hw *ah)
-{
- u32 val;
- int i;
-
- REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
-
- for (i = 0; i < 8; i++)
- REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
- val = (REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
- val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
-
- return ath9k_hw_reverse_bits(val, 8);
-}
-
/************************************/
/* HW Attach, Detach, Init Routines */
/************************************/
@@ -260,6 +280,8 @@ static void ath9k_hw_disablepcie(struct ath_hw *ah)
if (AR_SREV_9100(ah))
return;
+ ENABLE_REGWRITE_BUFFER(ah);
+
REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
REG_WRITE(ah, AR_PCIE_SERDES, 0x28000029);
@@ -271,20 +293,30 @@ static void ath9k_hw_disablepcie(struct ath_hw *ah)
REG_WRITE(ah, AR_PCIE_SERDES, 0x000e1007);
REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
+
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
}
+/* This should work for all families including legacy */
static bool ath9k_hw_chip_test(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
- u32 regAddr[2] = { AR_STA_ID0, AR_PHY_BASE + (8 << 2) };
+ u32 regAddr[2] = { AR_STA_ID0 };
u32 regHold[2];
u32 patternData[4] = { 0x55555555,
0xaaaaaaaa,
0x66666666,
0x99999999 };
- int i, j;
+ int i, j, loop_max;
+
+ if (!AR_SREV_9300_20_OR_LATER(ah)) {
+ loop_max = 2;
+ regAddr[1] = AR_PHY_BASE + (8 << 2);
+ } else
+ loop_max = 1;
- for (i = 0; i < 2; i++) {
+ for (i = 0; i < loop_max; i++) {
u32 addr = regAddr[i];
u32 wrData, rdData;
@@ -339,7 +371,13 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
ah->config.ofdm_trig_high = 500;
ah->config.cck_trig_high = 200;
ah->config.cck_trig_low = 100;
- ah->config.enable_ani = 1;
+
+ /*
+ * For now ANI is disabled for AR9003, it is still
+ * being tested.
+ */
+ if (!AR_SREV_9300_20_OR_LATER(ah))
+ ah->config.enable_ani = 1;
for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
ah->config.spurchans[i][0] = AR_NO_SPUR;
@@ -354,6 +392,12 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
ah->config.rx_intr_mitigation = true;
/*
+ * Tx IQ Calibration (ah->config.tx_iq_calibration) is only
+ * used by AR9003, but it is showing reliability issues.
+ * It will take a while to fix so this is currently disabled.
+ */
+
+ /*
* We need this for PCI devices only (Cardbus, PCI, miniPCI)
* _and_ if on non-uniprocessor systems (Multiprocessor/HT).
* This means we use it for all AR5416 devices, and the few
@@ -372,7 +416,6 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
if (num_possible_cpus() > 1)
ah->config.serialize_regmode = SER_REG_MODE_AUTO;
}
-EXPORT_SYMBOL(ath9k_hw_init);
static void ath9k_hw_init_defaults(struct ath_hw *ah)
{
@@ -386,8 +429,6 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
ah->hw_version.subvendorid = 0;
ah->ah_flags = 0;
- if (ah->hw_version.devid == AR5416_AR9100_DEVID)
- ah->hw_version.macVersion = AR_SREV_VERSION_9100;
if (!AR_SREV_9100(ah))
ah->ah_flags = AH_USE_EEPROM;
@@ -400,44 +441,17 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
ah->power_mode = ATH9K_PM_UNDEFINED;
}
-static int ath9k_hw_rf_claim(struct ath_hw *ah)
-{
- u32 val;
-
- REG_WRITE(ah, AR_PHY(0), 0x00000007);
-
- val = ath9k_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;
-}
-
static int ath9k_hw_init_macaddr(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
u32 sum;
int i;
u16 eeval;
+ u32 EEP_MAC[] = { EEP_MAC_LSW, EEP_MAC_MID, EEP_MAC_MSW };
sum = 0;
for (i = 0; i < 3; i++) {
- eeval = ah->eep_ops->get_eeprom(ah, AR_EEPROM_MAC(i));
+ eeval = ah->eep_ops->get_eeprom(ah, EEP_MAC[i]);
sum += eeval;
common->macaddr[2 * i] = eeval >> 8;
common->macaddr[2 * i + 1] = eeval & 0xff;
@@ -448,64 +462,20 @@ static int ath9k_hw_init_macaddr(struct ath_hw *ah)
return 0;
}
-static void ath9k_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 ath9k_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 int ath9k_hw_post_init(struct ath_hw *ah)
{
int ecode;
- if (!ath9k_hw_chip_test(ah))
- return -ENODEV;
+ if (!AR_SREV_9271(ah)) {
+ if (!ath9k_hw_chip_test(ah))
+ return -ENODEV;
+ }
- ecode = ath9k_hw_rf_claim(ah);
- if (ecode != 0)
- return ecode;
+ if (!AR_SREV_9300_20_OR_LATER(ah)) {
+ ecode = ar9002_hw_rf_claim(ah);
+ if (ecode != 0)
+ return ecode;
+ }
ecode = ath9k_hw_eeprom_init(ah);
if (ecode != 0)
@@ -516,14 +486,12 @@ static int ath9k_hw_post_init(struct ath_hw *ah)
ah->eep_ops->get_eeprom_ver(ah),
ah->eep_ops->get_eeprom_rev(ah));
- if (!AR_SREV_9280_10_OR_LATER(ah)) {
- ecode = ath9k_hw_rf_alloc_ext_banks(ah);
- if (ecode) {
- ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
- "Failed allocating banks for "
- "external radio\n");
- return ecode;
- }
+ ecode = ath9k_hw_rf_alloc_ext_banks(ah);
+ if (ecode) {
+ ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+ "Failed allocating banks for "
+ "external radio\n");
+ return ecode;
}
if (!AR_SREV_9100(ah)) {
@@ -534,321 +502,22 @@ static int ath9k_hw_post_init(struct ath_hw *ah)
return 0;
}
-static bool ath9k_hw_devid_supported(u16 devid)
+static void ath9k_hw_attach_ops(struct ath_hw *ah)
{
- switch (devid) {
- case AR5416_DEVID_PCI:
- case AR5416_DEVID_PCIE:
- case AR5416_AR9100_DEVID:
- case AR9160_DEVID_PCI:
- case AR9280_DEVID_PCI:
- case AR9280_DEVID_PCIE:
- case AR9285_DEVID_PCIE:
- case AR5416_DEVID_AR9287_PCI:
- case AR5416_DEVID_AR9287_PCIE:
- case AR9271_USB:
- case AR2427_DEVID_PCIE:
- return true;
- default:
- break;
- }
- return false;
-}
-
-static bool ath9k_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 ath9k_hw_init_cal_settings(struct ath_hw *ah)
-{
- if (AR_SREV_9160_10_OR_LATER(ah)) {
- if (AR_SREV_9280_10_OR_LATER(ah)) {
- ah->iq_caldata.calData = &iq_cal_single_sample;
- ah->adcgain_caldata.calData =
- &adc_gain_cal_single_sample;
- ah->adcdc_caldata.calData =
- &adc_dc_cal_single_sample;
- ah->adcdc_calinitdata.calData =
- &adc_init_dc_cal;
- } else {
- ah->iq_caldata.calData = &iq_cal_multi_sample;
- ah->adcgain_caldata.calData =
- &adc_gain_cal_multi_sample;
- ah->adcdc_caldata.calData =
- &adc_dc_cal_multi_sample;
- ah->adcdc_calinitdata.calData =
- &adc_init_dc_cal;
- }
- ah->supp_cals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
- }
-}
-
-static void ath9k_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->iniModes_9271_1_0_only,
- ar9271Modes_9271_1_0_only,
- ARRAY_SIZE(ar9271Modes_9271_1_0_only), 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);
- }
-}
-
-static void ath9k_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))
- ath9k_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)) {
- ath9k_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) {
- 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 {
- INIT_INI_ARRAY(&ah->iniModesTxGain,
- ar9285Modes_original_tx_gain_9285_1_2,
- ARRAY_SIZE(ar9285Modes_original_tx_gain_9285_1_2), 6);
- }
-
- }
-}
-
-static void ath9k_hw_init_eeprom_fix(struct ath_hw *ah)
-{
- u32 i, j;
-
- if (ah->hw_version.devid == AR9280_DEVID_PCI) {
-
- /* EEPROM Fixup */
- for (i = 0; i < ah->iniModes.ia_rows; i++) {
- u32 reg = INI_RA(&ah->iniModes, i, 0);
-
- for (j = 1; j < ah->iniModes.ia_columns; j++) {
- u32 val = INI_RA(&ah->iniModes, i, j);
-
- INI_RA(&ah->iniModes, i, j) =
- ath9k_hw_ini_fixup(ah,
- &ah->eeprom.def,
- reg, val);
- }
- }
- }
+ if (AR_SREV_9300_20_OR_LATER(ah))
+ ar9003_hw_attach_ops(ah);
+ else
+ ar9002_hw_attach_ops(ah);
}
-int ath9k_hw_init(struct ath_hw *ah)
+/* Called for all hardware families */
+static int __ath9k_hw_init(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
int r = 0;
- if (!ath9k_hw_devid_supported(ah->hw_version.devid)) {
- ath_print(common, ATH_DBG_FATAL,
- "Unsupported device ID: 0x%0x\n",
- ah->hw_version.devid);
- return -EOPNOTSUPP;
- }
-
- ath9k_hw_init_defaults(ah);
- ath9k_hw_init_config(ah);
+ if (ah->hw_version.devid == AR5416_AR9100_DEVID)
+ ah->hw_version.macVersion = AR_SREV_VERSION_9100;
if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
ath_print(common, ATH_DBG_FATAL,
@@ -856,6 +525,11 @@ int ath9k_hw_init(struct ath_hw *ah)
return -EIO;
}
+ ath9k_hw_init_defaults(ah);
+ ath9k_hw_init_config(ah);
+
+ ath9k_hw_attach_ops(ah);
+
if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
ath_print(common, ATH_DBG_FATAL, "Couldn't wakeup chip\n");
return -EIO;
@@ -880,7 +554,7 @@ int ath9k_hw_init(struct ath_hw *ah)
else
ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD;
- if (!ath9k_hw_macversion_supported(ah->hw_version.macVersion)) {
+ if (!ath9k_hw_macversion_supported(ah)) {
ath_print(common, ATH_DBG_FATAL,
"Mac Chip Rev 0x%02x.%x is not supported by "
"this driver\n", ah->hw_version.macVersion,
@@ -888,45 +562,45 @@ int ath9k_hw_init(struct ath_hw *ah)
return -EOPNOTSUPP;
}
- if (AR_SREV_9100(ah)) {
- ah->iq_caldata.calData = &iq_cal_multi_sample;
- ah->supp_cals = IQ_MISMATCH_CAL;
- ah->is_pciexpress = false;
- }
-
- if (AR_SREV_9271(ah))
+ if (AR_SREV_9271(ah) || AR_SREV_9100(ah))
ah->is_pciexpress = false;
ah->hw_version.phyRev = REG_READ(ah, AR_PHY_CHIP_ID);
-
ath9k_hw_init_cal_settings(ah);
ah->ani_function = ATH9K_ANI_ALL;
- if (AR_SREV_9280_10_OR_LATER(ah)) {
+ if (AR_SREV_9280_10_OR_LATER(ah) && !AR_SREV_9300_20_OR_LATER(ah))
ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
- ah->ath9k_hw_rf_set_freq = &ath9k_hw_ar9280_set_channel;
- ah->ath9k_hw_spur_mitigate_freq = &ath9k_hw_9280_spur_mitigate;
- } else {
- ah->ath9k_hw_rf_set_freq = &ath9k_hw_set_channel;
- ah->ath9k_hw_spur_mitigate_freq = &ath9k_hw_spur_mitigate;
- }
ath9k_hw_init_mode_regs(ah);
+ /*
+ * Configire PCIE after Ini init. SERDES values now come from ini file
+ * This enables PCIe low power mode.
+ */
+ if (AR_SREV_9300_20_OR_LATER(ah)) {
+ u32 regval;
+ unsigned int i;
+
+ /* Set Bits 16 and 17 in the AR_WA register. */
+ regval = REG_READ(ah, AR_WA);
+ regval |= 0x00030000;
+ REG_WRITE(ah, AR_WA, regval);
+
+ for (i = 0; i < ah->iniPcieSerdesLowPower.ia_rows; i++) {
+ REG_WRITE(ah,
+ INI_RA(&ah->iniPcieSerdesLowPower, i, 0),
+ INI_RA(&ah->iniPcieSerdesLowPower, i, 1));
+ }
+ }
+
if (ah->is_pciexpress)
ath9k_hw_configpcipowersave(ah, 0, 0);
else
ath9k_hw_disablepcie(ah);
- /* Support for Japan ch.14 (2484) spread */
- 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);
- }
+ if (!AR_SREV_9300_20_OR_LATER(ah))
+ ar9002_hw_cck_chan14_spread(ah);
r = ath9k_hw_post_init(ah);
if (r)
@@ -937,8 +611,6 @@ int ath9k_hw_init(struct ath_hw *ah)
if (r)
return r;
- ath9k_hw_init_eeprom_fix(ah);
-
r = ath9k_hw_init_macaddr(ah);
if (r) {
ath_print(common, ATH_DBG_FATAL,
@@ -951,6 +623,9 @@ int ath9k_hw_init(struct ath_hw *ah)
else
ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
+ if (AR_SREV_9300_20_OR_LATER(ah))
+ ar9003_hw_set_nf_limits(ah);
+
ath9k_init_nfcal_hist_buffer(ah);
common->state = ATH_HW_INITIALIZED;
@@ -958,24 +633,50 @@ int ath9k_hw_init(struct ath_hw *ah)
return 0;
}
-static void ath9k_hw_init_bb(struct ath_hw *ah,
- struct ath9k_channel *chan)
+int ath9k_hw_init(struct ath_hw *ah)
{
- u32 synthDelay;
+ int ret;
+ struct ath_common *common = ath9k_hw_common(ah);
- synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
- if (IS_CHAN_B(chan))
- synthDelay = (4 * synthDelay) / 22;
- else
- synthDelay /= 10;
+ /* These are all the AR5008/AR9001/AR9002 hardware family of chipsets */
+ switch (ah->hw_version.devid) {
+ case AR5416_DEVID_PCI:
+ case AR5416_DEVID_PCIE:
+ case AR5416_AR9100_DEVID:
+ case AR9160_DEVID_PCI:
+ case AR9280_DEVID_PCI:
+ case AR9280_DEVID_PCIE:
+ case AR9285_DEVID_PCIE:
+ case AR9287_DEVID_PCI:
+ case AR9287_DEVID_PCIE:
+ case AR2427_DEVID_PCIE:
+ case AR9300_DEVID_PCIE:
+ break;
+ default:
+ if (common->bus_ops->ath_bus_type == ATH_USB)
+ break;
+ ath_print(common, ATH_DBG_FATAL,
+ "Hardware device ID 0x%04x not supported\n",
+ ah->hw_version.devid);
+ return -EOPNOTSUPP;
+ }
- REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
+ ret = __ath9k_hw_init(ah);
+ if (ret) {
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to initialize hardware; "
+ "initialization status: %d\n", ret);
+ return ret;
+ }
- udelay(synthDelay + BASE_ACTIVATE_DELAY);
+ return 0;
}
+EXPORT_SYMBOL(ath9k_hw_init);
static void ath9k_hw_init_qos(struct ath_hw *ah)
{
+ ENABLE_REGWRITE_BUFFER(ah);
+
REG_WRITE(ah, AR_MIC_QOS_CONTROL, 0x100aa);
REG_WRITE(ah, AR_MIC_QOS_SELECT, 0x3210);
@@ -989,105 +690,22 @@ static void ath9k_hw_init_qos(struct ath_hw *ah)
REG_WRITE(ah, AR_TXOP_4_7, 0xFFFFFFFF);
REG_WRITE(ah, AR_TXOP_8_11, 0xFFFFFFFF);
REG_WRITE(ah, AR_TXOP_12_15, 0xFFFFFFFF);
-}
-
-static void ath9k_hw_change_target_baud(struct ath_hw *ah, u32 freq, u32 baud)
-{
- u32 lcr;
- u32 baud_divider = freq * 1000 * 1000 / 16 / baud;
-
- lcr = REG_READ(ah , 0x5100c);
- lcr |= 0x80;
- REG_WRITE(ah, 0x5100c, lcr);
- REG_WRITE(ah, 0x51004, (baud_divider >> 8));
- REG_WRITE(ah, 0x51000, (baud_divider & 0xff));
-
- lcr &= ~0x80;
- REG_WRITE(ah, 0x5100c, lcr);
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
}
static void ath9k_hw_init_pll(struct ath_hw *ah,
struct ath9k_channel *chan)
{
- u32 pll;
-
- if (AR_SREV_9100(ah)) {
- if (chan && IS_CHAN_5GHZ(chan))
- pll = 0x1450;
- else
- pll = 0x1458;
- } else {
- if (AR_SREV_9280_10_OR_LATER(ah)) {
- pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
-
- if (chan && IS_CHAN_HALF_RATE(chan))
- pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
- else if (chan && IS_CHAN_QUARTER_RATE(chan))
- pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
-
- if (chan && IS_CHAN_5GHZ(chan)) {
- pll |= SM(0x28, AR_RTC_9160_PLL_DIV);
-
-
- if (AR_SREV_9280_20(ah)) {
- if (((chan->channel % 20) == 0)
- || ((chan->channel % 10) == 0))
- pll = 0x2850;
- else
- pll = 0x142c;
- }
- } else {
- pll |= SM(0x2c, AR_RTC_9160_PLL_DIV);
- }
-
- } else if (AR_SREV_9160_10_OR_LATER(ah)) {
-
- pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
-
- if (chan && IS_CHAN_HALF_RATE(chan))
- pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
- else if (chan && IS_CHAN_QUARTER_RATE(chan))
- pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
-
- if (chan && IS_CHAN_5GHZ(chan))
- pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
- else
- pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
- } else {
- pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
-
- if (chan && IS_CHAN_HALF_RATE(chan))
- pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
- else if (chan && IS_CHAN_QUARTER_RATE(chan))
- pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
+ u32 pll = ath9k_hw_compute_pll_control(ah, chan);
- if (chan && IS_CHAN_5GHZ(chan))
- pll |= SM(0xa, AR_RTC_PLL_DIV);
- else
- pll |= SM(0xb, AR_RTC_PLL_DIV);
- }
- }
REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
/* Switch the core clock for ar9271 to 117Mhz */
if (AR_SREV_9271(ah)) {
- if ((pll == 0x142c) || (pll == 0x2850) ) {
- udelay(500);
- /* set CLKOBS to output AHB clock */
- REG_WRITE(ah, 0x7020, 0xe);
- /*
- * 0x304: 117Mhz, ahb_ratio: 1x1
- * 0x306: 40Mhz, ahb_ratio: 1x1
- */
- REG_WRITE(ah, 0x50040, 0x304);
- /*
- * makes adjustments for the baud dividor to keep the
- * targetted baud rate based on the used core clock.
- */
- ath9k_hw_change_target_baud(ah, AR9271_CORE_CLOCK,
- AR9271_TARGET_BAUD_RATE);
- }
+ udelay(500);
+ REG_WRITE(ah, 0x50040, 0x304);
}
udelay(RTC_PLL_SETTLE_DELAY);
@@ -1095,70 +713,58 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
}
-static void ath9k_hw_init_chain_masks(struct ath_hw *ah)
-{
- int rx_chainmask, tx_chainmask;
-
- rx_chainmask = ah->rxchainmask;
- tx_chainmask = ah->txchainmask;
-
- switch (rx_chainmask) {
- case 0x5:
- REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
- AR_PHY_SWAP_ALT_CHAIN);
- case 0x3:
- if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) {
- REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
- REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
- break;
- }
- case 0x1:
- case 0x2:
- case 0x7:
- REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
- REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
- break;
- default:
- break;
- }
-
- REG_WRITE(ah, AR_SELFGEN_MASK, tx_chainmask);
- if (tx_chainmask == 0x5) {
- REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
- AR_PHY_SWAP_ALT_CHAIN);
- }
- if (AR_SREV_9100(ah))
- REG_WRITE(ah, AR_PHY_ANALOG_SWAP,
- REG_READ(ah, AR_PHY_ANALOG_SWAP) | 0x00000001);
-}
-
static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
enum nl80211_iftype opmode)
{
- ah->mask_reg = AR_IMR_TXERR |
+ u32 imr_reg = AR_IMR_TXERR |
AR_IMR_TXURN |
AR_IMR_RXERR |
AR_IMR_RXORN |
AR_IMR_BCNMISC;
- if (ah->config.rx_intr_mitigation)
- ah->mask_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;
- else
- ah->mask_reg |= AR_IMR_RXOK;
+ if (AR_SREV_9300_20_OR_LATER(ah)) {
+ imr_reg |= AR_IMR_RXOK_HP;
+ if (ah->config.rx_intr_mitigation)
+ imr_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;
+ else
+ imr_reg |= AR_IMR_RXOK_LP;
- ah->mask_reg |= AR_IMR_TXOK;
+ } else {
+ if (ah->config.rx_intr_mitigation)
+ imr_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;
+ else
+ imr_reg |= AR_IMR_RXOK;
+ }
+
+ if (ah->config.tx_intr_mitigation)
+ imr_reg |= AR_IMR_TXINTM | AR_IMR_TXMINTR;
+ else
+ imr_reg |= AR_IMR_TXOK;
if (opmode == NL80211_IFTYPE_AP)
- ah->mask_reg |= AR_IMR_MIB;
+ imr_reg |= AR_IMR_MIB;
+
+ ENABLE_REGWRITE_BUFFER(ah);
- REG_WRITE(ah, AR_IMR, ah->mask_reg);
- REG_WRITE(ah, AR_IMR_S2, REG_READ(ah, AR_IMR_S2) | AR_IMR_S2_GTT);
+ REG_WRITE(ah, AR_IMR, imr_reg);
+ ah->imrs2_reg |= AR_IMR_S2_GTT;
+ REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg);
if (!AR_SREV_9100(ah)) {
REG_WRITE(ah, AR_INTR_SYNC_CAUSE, 0xFFFFFFFF);
REG_WRITE(ah, AR_INTR_SYNC_ENABLE, AR_INTR_SYNC_DEFAULT);
REG_WRITE(ah, AR_INTR_SYNC_MASK, 0);
}
+
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
+ if (AR_SREV_9300_20_OR_LATER(ah)) {
+ REG_WRITE(ah, AR_INTR_PRIO_ASYNC_ENABLE, 0);
+ REG_WRITE(ah, AR_INTR_PRIO_ASYNC_MASK, 0);
+ REG_WRITE(ah, AR_INTR_PRIO_SYNC_ENABLE, 0);
+ REG_WRITE(ah, AR_INTR_PRIO_SYNC_MASK, 0);
+ }
}
static void ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
@@ -1241,19 +847,13 @@ void ath9k_hw_deinit(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
- if (common->state <= ATH_HW_INITIALIZED)
+ if (common->state < ATH_HW_INITIALIZED)
goto free_hw;
- if (!AR_SREV_9100(ah))
- ath9k_hw_ani_disable(ah);
-
ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
free_hw:
- if (!AR_SREV_9280_10_OR_LATER(ah))
- ath9k_hw_rf_free_ext_banks(ah);
- kfree(ah);
- ah = NULL;
+ ath9k_hw_rf_free_ext_banks(ah);
}
EXPORT_SYMBOL(ath9k_hw_deinit);
@@ -1261,136 +861,7 @@ EXPORT_SYMBOL(ath9k_hw_deinit);
/* INI */
/*******/
-static void ath9k_hw_override_ini(struct ath_hw *ah,
- struct ath9k_channel *chan)
-{
- u32 val;
-
- if (AR_SREV_9271(ah)) {
- /*
- * Enable spectral scan to solution for issues with stuck
- * beacons on AR9271 1.0. The beacon stuck issue is not seeon on
- * AR9271 1.1
- */
- if (AR_SREV_9271_10(ah)) {
- val = REG_READ(ah, AR_PHY_SPECTRAL_SCAN) |
- AR_PHY_SPECTRAL_SCAN_ENABLE;
- REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
- }
- else if (AR_SREV_9271_11(ah))
- /*
- * change AR_PHY_RF_CTL3 setting to fix MAC issue
- * present on AR9271 1.1
- */
- REG_WRITE(ah, AR_PHY_RF_CTL3, 0x3a020001);
- return;
- }
-
- /*
- * Set the RX_ABORT and RX_DIS and clear if off only after
- * RXE is set for MAC. This prevents frames with corrupted
- * descriptor status.
- */
- REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
-
- if (AR_SREV_9280_10_OR_LATER(ah)) {
- val = REG_READ(ah, AR_PCU_MISC_MODE2) &
- (~AR_PCU_MISC_MODE2_HWWAR1);
-
- if (AR_SREV_9287_10_OR_LATER(ah))
- val = val & (~AR_PCU_MISC_MODE2_HWWAR2);
-
- REG_WRITE(ah, AR_PCU_MISC_MODE2, val);
- }
-
- if (!AR_SREV_5416_20_OR_LATER(ah) ||
- AR_SREV_9280_10_OR_LATER(ah))
- return;
- /*
- * Disable BB clock gating
- * Necessary to avoid issues on AR5416 2.0
- */
- REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
-
- /*
- * Disable RIFS search on some chips to avoid baseband
- * hang issues.
- */
- if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) {
- val = REG_READ(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS);
- val &= ~AR_PHY_RIFS_INIT_DELAY;
- REG_WRITE(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS, val);
- }
-}
-
-static u32 ath9k_hw_def_ini_fixup(struct ath_hw *ah,
- struct ar5416_eeprom_def *pEepData,
- u32 reg, u32 value)
-{
- struct base_eep_header *pBase = &(pEepData->baseEepHeader);
- struct ath_common *common = ath9k_hw_common(ah);
-
- switch (ah->hw_version.devid) {
- case AR9280_DEVID_PCI:
- if (reg == 0x7894) {
- ath_print(common, ATH_DBG_EEPROM,
- "ini VAL: %x EEPROM: %x\n", value,
- (pBase->version & 0xff));
-
- if ((pBase->version & 0xff) > 0x0a) {
- ath_print(common, ATH_DBG_EEPROM,
- "PWDCLKIND: %d\n",
- pBase->pwdclkind);
- value &= ~AR_AN_TOP2_PWDCLKIND;
- value |= AR_AN_TOP2_PWDCLKIND &
- (pBase->pwdclkind << AR_AN_TOP2_PWDCLKIND_S);
- } else {
- ath_print(common, ATH_DBG_EEPROM,
- "PWDCLKIND Earlier Rev\n");
- }
-
- ath_print(common, ATH_DBG_EEPROM,
- "final ini VAL: %x\n", value);
- }
- break;
- }
-
- return value;
-}
-
-static u32 ath9k_hw_ini_fixup(struct ath_hw *ah,
- struct ar5416_eeprom_def *pEepData,
- u32 reg, u32 value)
-{
- if (ah->eep_map == EEP_MAP_4KBITS)
- return value;
- else
- return ath9k_hw_def_ini_fixup(ah, pEepData, reg, value);
-}
-
-static void ath9k_olc_init(struct ath_hw *ah)
-{
- u32 i;
-
- if (OLC_FOR_AR9287_10_LATER) {
- REG_SET_BIT(ah, AR_PHY_TX_PWRCTRL9,
- AR_PHY_TX_PWRCTRL9_RES_DC_REMOVAL);
- ath9k_hw_analog_shift_rmw(ah, AR9287_AN_TXPC0,
- AR9287_AN_TXPC0_TXPCMODE,
- AR9287_AN_TXPC0_TXPCMODE_S,
- AR9287_AN_TXPC0_TXPCMODE_TEMPSENSE);
- udelay(100);
- } else {
- for (i = 0; i < AR9280_TX_GAIN_TABLE_SIZE; i++)
- ah->originalGain[i] =
- MS(REG_READ(ah, AR_PHY_TX_GAIN_TBL1 + i * 4),
- AR_PHY_TX_GAIN);
- ah->PDADCdelta = 0;
- }
-}
-
-static u32 ath9k_regd_get_ctl(struct ath_regulatory *reg,
- struct ath9k_channel *chan)
+u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan)
{
u32 ctl = ath_regd_get_band_ctl(reg, chan->chan->band);
@@ -1404,173 +875,24 @@ static u32 ath9k_regd_get_ctl(struct ath_regulatory *reg,
return ctl;
}
-static int ath9k_hw_process_ini(struct ath_hw *ah,
- struct ath9k_channel *chan)
-{
- struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
- int i, regWrites = 0;
- struct ieee80211_channel *channel = chan->chan;
- u32 modesIndex, freqIndex;
-
- switch (chan->chanmode) {
- case CHANNEL_A:
- case CHANNEL_A_HT20:
- modesIndex = 1;
- freqIndex = 1;
- break;
- case CHANNEL_A_HT40PLUS:
- case CHANNEL_A_HT40MINUS:
- modesIndex = 2;
- freqIndex = 1;
- break;
- case CHANNEL_G:
- case CHANNEL_G_HT20:
- case CHANNEL_B:
- modesIndex = 4;
- freqIndex = 2;
- break;
- case CHANNEL_G_HT40PLUS:
- case CHANNEL_G_HT40MINUS:
- modesIndex = 3;
- freqIndex = 2;
- break;
-
- default:
- return -EINVAL;
- }
-
- REG_WRITE(ah, AR_PHY(0), 0x00000007);
- REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
- ah->eep_ops->set_addac(ah, chan);
-
- if (AR_SREV_5416_22_OR_LATER(ah)) {
- REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
- } else {
- struct ar5416IniArray temp;
- u32 addacSize =
- sizeof(u32) * ah->iniAddac.ia_rows *
- ah->iniAddac.ia_columns;
-
- memcpy(ah->addac5416_21,
- ah->iniAddac.ia_array, addacSize);
-
- (ah->addac5416_21)[31 * ah->iniAddac.ia_columns + 1] = 0;
-
- temp.ia_array = ah->addac5416_21;
- temp.ia_columns = ah->iniAddac.ia_columns;
- temp.ia_rows = ah->iniAddac.ia_rows;
- REG_WRITE_ARRAY(&temp, 1, regWrites);
- }
-
- REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
-
- for (i = 0; i < ah->iniModes.ia_rows; i++) {
- u32 reg = INI_RA(&ah->iniModes, i, 0);
- u32 val = INI_RA(&ah->iniModes, i, modesIndex);
-
- REG_WRITE(ah, reg, val);
-
- if (reg >= 0x7800 && reg < 0x78a0
- && ah->config.analog_shiftreg) {
- udelay(100);
- }
-
- DO_DELAY(regWrites);
- }
-
- if (AR_SREV_9280(ah) || AR_SREV_9287_10_OR_LATER(ah))
- REG_WRITE_ARRAY(&ah->iniModesRxGain, modesIndex, regWrites);
-
- if (AR_SREV_9280(ah) || AR_SREV_9285_12_OR_LATER(ah) ||
- AR_SREV_9287_10_OR_LATER(ah))
- REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites);
-
- for (i = 0; i < ah->iniCommon.ia_rows; i++) {
- u32 reg = INI_RA(&ah->iniCommon, i, 0);
- u32 val = INI_RA(&ah->iniCommon, i, 1);
-
- REG_WRITE(ah, reg, val);
-
- if (reg >= 0x7800 && reg < 0x78a0
- && ah->config.analog_shiftreg) {
- udelay(100);
- }
-
- DO_DELAY(regWrites);
- }
-
- ath9k_hw_write_regs(ah, freqIndex, regWrites);
-
- if (AR_SREV_9271_10(ah))
- REG_WRITE_ARRAY(&ah->iniModes_9271_1_0_only,
- modesIndex, regWrites);
-
- if (AR_SREV_9280_20(ah) && IS_CHAN_A_5MHZ_SPACED(chan)) {
- REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex,
- regWrites);
- }
-
- ath9k_hw_override_ini(ah, chan);
- ath9k_hw_set_regs(ah, chan);
- ath9k_hw_init_chain_masks(ah);
-
- if (OLC_FOR_AR9280_20_LATER)
- ath9k_olc_init(ah);
-
- ah->eep_ops->set_txpower(ah, chan,
- ath9k_regd_get_ctl(regulatory, chan),
- channel->max_antenna_gain * 2,
- channel->max_power * 2,
- min((u32) MAX_RATE_POWER,
- (u32) regulatory->power_limit));
-
- if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
- ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
- "ar5416SetRfRegs failed\n");
- return -EIO;
- }
-
- return 0;
-}
-
/****************************************/
/* Reset and Channel Switching Routines */
/****************************************/
-static void ath9k_hw_set_rfmode(struct ath_hw *ah, struct ath9k_channel *chan)
-{
- u32 rfMode = 0;
-
- if (chan == NULL)
- return;
-
- rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan))
- ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM;
-
- if (!AR_SREV_9280_10_OR_LATER(ah))
- rfMode |= (IS_CHAN_5GHZ(chan)) ?
- AR_PHY_MODE_RF5GHZ : AR_PHY_MODE_RF2GHZ;
-
- if (AR_SREV_9280_20(ah) && IS_CHAN_A_5MHZ_SPACED(chan))
- rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE);
-
- REG_WRITE(ah, AR_PHY_MODE, rfMode);
-}
-
-static void ath9k_hw_mark_phy_inactive(struct ath_hw *ah)
-{
- REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
-}
-
static inline void ath9k_hw_set_dma(struct ath_hw *ah)
{
+ struct ath_common *common = ath9k_hw_common(ah);
u32 regval;
+ ENABLE_REGWRITE_BUFFER(ah);
+
/*
* set AHB_MODE not to do cacheline prefetches
*/
- regval = REG_READ(ah, AR_AHB_MODE);
- REG_WRITE(ah, AR_AHB_MODE, regval | AR_AHB_PREFETCH_RD_EN);
+ if (!AR_SREV_9300_20_OR_LATER(ah)) {
+ regval = REG_READ(ah, AR_AHB_MODE);
+ REG_WRITE(ah, AR_AHB_MODE, regval | AR_AHB_PREFETCH_RD_EN);
+ }
/*
* let mac dma reads be in 128 byte chunks
@@ -1578,12 +900,18 @@ static inline void ath9k_hw_set_dma(struct ath_hw *ah)
regval = REG_READ(ah, AR_TXCFG) & ~AR_TXCFG_DMASZ_MASK;
REG_WRITE(ah, AR_TXCFG, regval | AR_TXCFG_DMASZ_128B);
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
/*
* Restore TX Trigger Level to its pre-reset value.
* The initial value depends on whether aggregation is enabled, and is
* adjusted whenever underruns are detected.
*/
- REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->tx_trig_level);
+ if (!AR_SREV_9300_20_OR_LATER(ah))
+ REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->tx_trig_level);
+
+ ENABLE_REGWRITE_BUFFER(ah);
/*
* let mac dma writes be in 128 byte chunks
@@ -1596,6 +924,14 @@ static inline void ath9k_hw_set_dma(struct ath_hw *ah)
*/
REG_WRITE(ah, AR_RXFIFO_CFG, 0x200);
+ if (AR_SREV_9300_20_OR_LATER(ah)) {
+ REG_RMW_FIELD(ah, AR_RXBP_THRESH, AR_RXBP_THRESH_HP, 0x1);
+ REG_RMW_FIELD(ah, AR_RXBP_THRESH, AR_RXBP_THRESH_LP, 0x1);
+
+ ath9k_hw_set_rx_bufsize(ah, common->rx_bufsize -
+ ah->caps.rx_status_len);
+ }
+
/*
* reduce the number of usable entries in PCU TXBUF to avoid
* wrap around issues.
@@ -1611,6 +947,12 @@ static inline void ath9k_hw_set_dma(struct ath_hw *ah)
REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
AR_PCU_TXBUF_CTRL_USABLE_SIZE);
}
+
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
+ if (AR_SREV_9300_20_OR_LATER(ah))
+ ath9k_hw_reset_txstatus_ring(ah);
}
static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode)
@@ -1638,10 +980,8 @@ static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode)
}
}
-static inline void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah,
- u32 coef_scaled,
- u32 *coef_mantissa,
- u32 *coef_exponent)
+void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled,
+ u32 *coef_mantissa, u32 *coef_exponent)
{
u32 coef_exp, coef_man;
@@ -1657,40 +997,6 @@ static inline void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah,
*coef_exponent = coef_exp - 16;
}
-static void ath9k_hw_set_delta_slope(struct ath_hw *ah,
- struct ath9k_channel *chan)
-{
- u32 coef_scaled, ds_coef_exp, ds_coef_man;
- u32 clockMhzScaled = 0x64000000;
- struct chan_centers centers;
-
- if (IS_CHAN_HALF_RATE(chan))
- clockMhzScaled = clockMhzScaled >> 1;
- else if (IS_CHAN_QUARTER_RATE(chan))
- clockMhzScaled = clockMhzScaled >> 2;
-
- ath9k_hw_get_channel_centers(ah, chan, &centers);
- coef_scaled = clockMhzScaled / centers.synth_center;
-
- ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
- &ds_coef_exp);
-
- REG_RMW_FIELD(ah, AR_PHY_TIMING3,
- AR_PHY_TIMING3_DSC_MAN, ds_coef_man);
- REG_RMW_FIELD(ah, AR_PHY_TIMING3,
- AR_PHY_TIMING3_DSC_EXP, ds_coef_exp);
-
- coef_scaled = (9 * coef_scaled) / 10;
-
- ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
- &ds_coef_exp);
-
- REG_RMW_FIELD(ah, AR_PHY_HALFGI,
- AR_PHY_HALFGI_DSC_MAN, ds_coef_man);
- REG_RMW_FIELD(ah, AR_PHY_HALFGI,
- AR_PHY_HALFGI_DSC_EXP, ds_coef_exp);
-}
-
static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
{
u32 rst_flags;
@@ -1704,6 +1010,8 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
(void)REG_READ(ah, AR_RTC_DERIVED_CLK);
}
+ ENABLE_REGWRITE_BUFFER(ah);
+
REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
AR_RTC_FORCE_WAKE_ON_INT);
@@ -1715,11 +1023,16 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
if (tmpReg &
(AR_INTR_SYNC_LOCAL_TIMEOUT |
AR_INTR_SYNC_RADM_CPL_TIMEOUT)) {
+ u32 val;
REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
- REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
- } else {
+
+ val = AR_RC_HOSTIF;
+ if (!AR_SREV_9300_20_OR_LATER(ah))
+ val |= AR_RC_AHB;
+ REG_WRITE(ah, AR_RC, val);
+
+ } else if (!AR_SREV_9300_20_OR_LATER(ah))
REG_WRITE(ah, AR_RC, AR_RC_AHB);
- }
rst_flags = AR_RTC_RC_MAC_WARM;
if (type == ATH9K_RESET_COLD)
@@ -1727,6 +1040,10 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
}
REG_WRITE(ah, AR_RTC_RC, rst_flags);
+
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
udelay(50);
REG_WRITE(ah, AR_RTC_RC, 0);
@@ -1747,16 +1064,23 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah)
{
+ ENABLE_REGWRITE_BUFFER(ah);
+
REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
AR_RTC_FORCE_WAKE_ON_INT);
- if (!AR_SREV_9100(ah))
+ if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
REG_WRITE(ah, AR_RC, AR_RC_AHB);
REG_WRITE(ah, AR_RTC_RESET, 0);
- udelay(2);
- if (!AR_SREV_9100(ah))
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
+ if (!AR_SREV_9300_20_OR_LATER(ah))
+ udelay(2);
+
+ if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
REG_WRITE(ah, AR_RC, 0);
REG_WRITE(ah, AR_RTC_RESET, 1);
@@ -1792,34 +1116,6 @@ static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type)
}
}
-static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan)
-{
- u32 phymode;
- u32 enableDacFifo = 0;
-
- if (AR_SREV_9285_10_OR_LATER(ah))
- enableDacFifo = (REG_READ(ah, AR_PHY_TURBO) &
- AR_PHY_FC_ENABLE_DAC_FIFO);
-
- phymode = AR_PHY_FC_HT_EN | AR_PHY_FC_SHORT_GI_40
- | AR_PHY_FC_SINGLE_HT_LTF1 | AR_PHY_FC_WALSH | enableDacFifo;
-
- if (IS_CHAN_HT40(chan)) {
- phymode |= AR_PHY_FC_DYN2040_EN;
-
- if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
- (chan->chanmode == CHANNEL_G_HT40PLUS))
- phymode |= AR_PHY_FC_DYN2040_PRI_CH;
-
- }
- REG_WRITE(ah, AR_PHY_TURBO, phymode);
-
- ath9k_hw_set11nmac2040(ah);
-
- REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S);
- REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S);
-}
-
static bool ath9k_hw_chip_reset(struct ath_hw *ah,
struct ath9k_channel *chan)
{
@@ -1845,7 +1141,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_channel *channel = chan->chan;
- u32 synthDelay, qnum;
+ u32 qnum;
int r;
for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
@@ -1857,17 +1153,15 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
}
}
- REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN);
- if (!ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN,
- AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT)) {
+ if (!ath9k_hw_rfbus_req(ah)) {
ath_print(common, ATH_DBG_FATAL,
"Could not kill baseband RX\n");
return false;
}
- ath9k_hw_set_regs(ah, chan);
+ ath9k_hw_set_channel_regs(ah, chan);
- r = ah->ath9k_hw_rf_set_freq(ah, chan);
+ r = ath9k_hw_rf_set_freq(ah, chan);
if (r) {
ath_print(common, ATH_DBG_FATAL,
"Failed to set channel\n");
@@ -1881,20 +1175,12 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
min((u32) MAX_RATE_POWER,
(u32) regulatory->power_limit));
- synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
- if (IS_CHAN_B(chan))
- synthDelay = (4 * synthDelay) / 22;
- else
- synthDelay /= 10;
-
- udelay(synthDelay + BASE_ACTIVATE_DELAY);
-
- REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
+ ath9k_hw_rfbus_done(ah);
if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
ath9k_hw_set_delta_slope(ah, chan);
- ah->ath9k_hw_spur_mitigate_freq(ah, chan);
+ ath9k_hw_spur_mitigate_freq(ah, chan);
if (!chan->oneTimeCalsDone)
chan->oneTimeCalsDone = true;
@@ -1902,17 +1188,33 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
return true;
}
-static void ath9k_enable_rfkill(struct ath_hw *ah)
+bool ath9k_hw_check_alive(struct ath_hw *ah)
{
- REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
- AR_GPIO_INPUT_EN_VAL_RFSILENT_BB);
+ int count = 50;
+ u32 reg;
+
+ if (AR_SREV_9285_10_OR_LATER(ah))
+ return true;
+
+ do {
+ reg = REG_READ(ah, AR_OBS_BUS_1);
- REG_CLR_BIT(ah, AR_GPIO_INPUT_MUX2,
- AR_GPIO_INPUT_MUX2_RFSILENT);
+ if ((reg & 0x7E7FFFEF) == 0x00702400)
+ continue;
- ath9k_hw_cfg_gpio_input(ah, ah->rfkill_gpio);
- REG_SET_BIT(ah, AR_PHY_TEST, RFSILENT_BB);
+ switch (reg & 0x7E000B00) {
+ case 0x1E000000:
+ case 0x52000B00:
+ case 0x18000B00:
+ continue;
+ default:
+ return true;
+ }
+ } while (count-- > 0);
+
+ return false;
}
+EXPORT_SYMBOL(ath9k_hw_check_alive);
int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
bool bChannelChange)
@@ -1923,11 +1225,18 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
u32 saveDefAntenna;
u32 macStaId1;
u64 tsf = 0;
- int i, rx_chainmask, r;
+ int i, r;
ah->txchainmask = common->tx_chainmask;
ah->rxchainmask = common->rx_chainmask;
+ if (!ah->chip_fullsleep) {
+ ath9k_hw_abortpcurecv(ah);
+ if (!ath9k_hw_stopdmarecv(ah))
+ ath_print(common, ATH_DBG_XMIT,
+ "Failed to stop receive dma\n");
+ }
+
if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
return -EIO;
@@ -1940,8 +1249,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
(chan->channel != ah->curchan->channel) &&
((chan->channelFlags & CHANNEL_ALL) ==
(ah->curchan->channelFlags & CHANNEL_ALL)) &&
- !(AR_SREV_9280(ah) || IS_CHAN_A_5MHZ_SPACED(chan) ||
- IS_CHAN_A_5MHZ_SPACED(ah->curchan))) {
+ !AR_SREV_9280(ah)) {
if (ath9k_hw_channel_change(ah, chan)) {
ath9k_hw_loadnf(ah, ah->curchan);
@@ -1966,6 +1274,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
ath9k_hw_mark_phy_inactive(ah);
+ /* Only required on the first reset */
if (AR_SREV_9271(ah) && ah->htc_reset_init) {
REG_WRITE(ah,
AR9271_RESET_POWER_DOWN_CONTROL,
@@ -1978,6 +1287,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
return -EINVAL;
}
+ /* Only required on the first reset */
if (AR_SREV_9271(ah) && ah->htc_reset_init) {
ah->htc_reset_init = false;
REG_WRITE(ah,
@@ -1993,16 +1303,6 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
if (AR_SREV_9280_10_OR_LATER(ah))
REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
- if (AR_SREV_9287_12_OR_LATER(ah)) {
- /* Enable ASYNC FIFO */
- 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);
- }
r = ath9k_hw_process_ini(ah, chan);
if (r)
return r;
@@ -2027,9 +1327,13 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
ath9k_hw_set_delta_slope(ah, chan);
- ah->ath9k_hw_spur_mitigate_freq(ah, chan);
+ ath9k_hw_spur_mitigate_freq(ah, chan);
ah->eep_ops->set_board_values(ah, chan);
+ ath9k_hw_set_operating_mode(ah, ah->opmode);
+
+ ENABLE_REGWRITE_BUFFER(ah);
+
REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
| macStaId1
@@ -2037,25 +1341,27 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
| (ah->config.
ack_6mb ? AR_STA_ID1_ACKCTS_6MB : 0)
| ah->sta_id1_defaults);
- ath9k_hw_set_operating_mode(ah, ah->opmode);
-
ath_hw_setbssidmask(common);
-
REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
-
ath9k_hw_write_associd(ah);
-
REG_WRITE(ah, AR_ISR, ~0);
-
REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR);
- r = ah->ath9k_hw_rf_set_freq(ah, chan);
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
+ r = ath9k_hw_rf_set_freq(ah, chan);
if (r)
return r;
+ ENABLE_REGWRITE_BUFFER(ah);
+
for (i = 0; i < AR_NUM_DCU; i++)
REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
ah->intr_txqs = 0;
for (i = 0; i < ah->caps.total_queues; i++)
ath9k_hw_resettxqueue(ah, i);
@@ -2068,25 +1374,9 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
ath9k_hw_init_global_settings(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);
- }
- if (AR_SREV_9287_12_OR_LATER(ah)) {
- REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
- AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
+ if (!AR_SREV_9300_20_OR_LATER(ah)) {
+ ar9002_hw_enable_async_fifo(ah);
+ ar9002_hw_enable_wep_aggregation(ah);
}
REG_WRITE(ah, AR_STA_ID1,
@@ -2101,19 +1391,24 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000);
}
+ if (ah->config.tx_intr_mitigation) {
+ REG_RMW_FIELD(ah, AR_TIMT, AR_TIMT_LAST, 300);
+ REG_RMW_FIELD(ah, AR_TIMT, AR_TIMT_FIRST, 750);
+ }
+
ath9k_hw_init_bb(ah, chan);
if (!ath9k_hw_init_cal(ah, chan))
return -EIO;
- rx_chainmask = ah->rxchainmask;
- if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) {
- REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
- REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
- }
+ ENABLE_REGWRITE_BUFFER(ah);
+ ath9k_hw_restore_chainmask(ah);
REG_WRITE(ah, AR_CFG_LED, saveLedState | AR_CFG_SCLK_32KHZ);
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
/*
* For big endian systems turn on swapping for descriptors
*/
@@ -2143,6 +1438,11 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
if (ah->btcoex_hw.enabled)
ath9k_hw_btcoex_enable(ah);
+ if (AR_SREV_9300_20_OR_LATER(ah)) {
+ ath9k_hw_loadnf(ah, curchan);
+ ath9k_hw_start_nfcal(ah);
+ }
+
return 0;
}
EXPORT_SYMBOL(ath9k_hw_reset);
@@ -2429,21 +1729,35 @@ EXPORT_SYMBOL(ath9k_hw_keyisvalid);
/* Power Management (Chipset) */
/******************************/
+/*
+ * Notify Power Mgt is disabled in self-generated frames.
+ * If requested, force chip to sleep.
+ */
static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip)
{
REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
if (setChip) {
+ /*
+ * Clear the RTC force wake bit to allow the
+ * mac to go to sleep.
+ */
REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
AR_RTC_FORCE_WAKE_EN);
- if (!AR_SREV_9100(ah))
+ if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
- if(!AR_SREV_5416(ah))
+ /* Shutdown chip. Active low */
+ if (!AR_SREV_5416(ah) && !AR_SREV_9271(ah))
REG_CLR_BIT(ah, (AR_RTC_RESET),
AR_RTC_RESET_EN);
}
}
+/*
+ * Notify Power Management is enabled in self-generating
+ * frames. If request, set power mode of chip to
+ * auto/normal. Duration in units of 128us (1/8 TU).
+ */
static void ath9k_set_power_network_sleep(struct ath_hw *ah, int setChip)
{
REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
@@ -2451,9 +1765,14 @@ static void ath9k_set_power_network_sleep(struct ath_hw *ah, int setChip)
struct ath9k_hw_capabilities *pCap = &ah->caps;
if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
+ /* Set WakeOnInterrupt bit; clear ForceWake bit */
REG_WRITE(ah, AR_RTC_FORCE_WAKE,
AR_RTC_FORCE_WAKE_ON_INT);
} else {
+ /*
+ * Clear the RTC force wake bit to allow the
+ * mac to go to sleep.
+ */
REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
AR_RTC_FORCE_WAKE_EN);
}
@@ -2472,7 +1791,8 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
ATH9K_RESET_POWER_ON) != true) {
return false;
}
- ath9k_hw_init_pll(ah, NULL);
+ if (!AR_SREV_9300_20_OR_LATER(ah))
+ ath9k_hw_init_pll(ah, NULL);
}
if (AR_SREV_9100(ah))
REG_SET_BIT(ah, AR_RTC_RESET,
@@ -2542,424 +1862,6 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
}
EXPORT_SYMBOL(ath9k_hw_setpower);
-/*
- * 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.
- */
-void ath9k_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);
- }
- }
- }
-}
-EXPORT_SYMBOL(ath9k_hw_configpcipowersave);
-
-/**********************/
-/* Interrupt Handling */
-/**********************/
-
-bool ath9k_hw_intrpend(struct ath_hw *ah)
-{
- u32 host_isr;
-
- if (AR_SREV_9100(ah))
- return true;
-
- host_isr = REG_READ(ah, AR_INTR_ASYNC_CAUSE);
- if ((host_isr & AR_INTR_MAC_IRQ) && (host_isr != AR_INTR_SPURIOUS))
- return true;
-
- host_isr = REG_READ(ah, AR_INTR_SYNC_CAUSE);
- if ((host_isr & AR_INTR_SYNC_DEFAULT)
- && (host_isr != AR_INTR_SPURIOUS))
- return true;
-
- return false;
-}
-EXPORT_SYMBOL(ath9k_hw_intrpend);
-
-bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
-{
- u32 isr = 0;
- u32 mask2 = 0;
- struct ath9k_hw_capabilities *pCap = &ah->caps;
- u32 sync_cause = 0;
- bool fatal_int = false;
- struct ath_common *common = ath9k_hw_common(ah);
-
- if (!AR_SREV_9100(ah)) {
- if (REG_READ(ah, AR_INTR_ASYNC_CAUSE) & AR_INTR_MAC_IRQ) {
- if ((REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M)
- == AR_RTC_STATUS_ON) {
- isr = REG_READ(ah, AR_ISR);
- }
- }
-
- sync_cause = REG_READ(ah, AR_INTR_SYNC_CAUSE) &
- AR_INTR_SYNC_DEFAULT;
-
- *masked = 0;
-
- if (!isr && !sync_cause)
- return false;
- } else {
- *masked = 0;
- isr = REG_READ(ah, AR_ISR);
- }
-
- if (isr) {
- if (isr & AR_ISR_BCNMISC) {
- u32 isr2;
- isr2 = REG_READ(ah, AR_ISR_S2);
- if (isr2 & AR_ISR_S2_TIM)
- mask2 |= ATH9K_INT_TIM;
- if (isr2 & AR_ISR_S2_DTIM)
- mask2 |= ATH9K_INT_DTIM;
- if (isr2 & AR_ISR_S2_DTIMSYNC)
- mask2 |= ATH9K_INT_DTIMSYNC;
- if (isr2 & (AR_ISR_S2_CABEND))
- mask2 |= ATH9K_INT_CABEND;
- if (isr2 & AR_ISR_S2_GTT)
- mask2 |= ATH9K_INT_GTT;
- if (isr2 & AR_ISR_S2_CST)
- mask2 |= ATH9K_INT_CST;
- if (isr2 & AR_ISR_S2_TSFOOR)
- mask2 |= ATH9K_INT_TSFOOR;
- }
-
- isr = REG_READ(ah, AR_ISR_RAC);
- if (isr == 0xffffffff) {
- *masked = 0;
- return false;
- }
-
- *masked = isr & ATH9K_INT_COMMON;
-
- if (ah->config.rx_intr_mitigation) {
- if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM))
- *masked |= ATH9K_INT_RX;
- }
-
- if (isr & (AR_ISR_RXOK | AR_ISR_RXERR))
- *masked |= ATH9K_INT_RX;
- if (isr &
- (AR_ISR_TXOK | AR_ISR_TXDESC | AR_ISR_TXERR |
- AR_ISR_TXEOL)) {
- u32 s0_s, s1_s;
-
- *masked |= ATH9K_INT_TX;
-
- s0_s = REG_READ(ah, AR_ISR_S0_S);
- ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXOK);
- ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXDESC);
-
- s1_s = REG_READ(ah, AR_ISR_S1_S);
- ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR);
- ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL);
- }
-
- if (isr & AR_ISR_RXORN) {
- ath_print(common, ATH_DBG_INTERRUPT,
- "receive FIFO overrun interrupt\n");
- }
-
- if (!AR_SREV_9100(ah)) {
- if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
- u32 isr5 = REG_READ(ah, AR_ISR_S5_S);
- if (isr5 & AR_ISR_S5_TIM_TIMER)
- *masked |= ATH9K_INT_TIM_TIMER;
- }
- }
-
- *masked |= mask2;
- }
-
- if (AR_SREV_9100(ah))
- return true;
-
- if (isr & AR_ISR_GENTMR) {
- u32 s5_s;
-
- s5_s = REG_READ(ah, AR_ISR_S5_S);
- if (isr & AR_ISR_GENTMR) {
- ah->intr_gen_timer_trigger =
- MS(s5_s, AR_ISR_S5_GENTIMER_TRIG);
-
- ah->intr_gen_timer_thresh =
- MS(s5_s, AR_ISR_S5_GENTIMER_THRESH);
-
- if (ah->intr_gen_timer_trigger)
- *masked |= ATH9K_INT_GENTIMER;
-
- }
- }
-
- if (sync_cause) {
- fatal_int =
- (sync_cause &
- (AR_INTR_SYNC_HOST1_FATAL | AR_INTR_SYNC_HOST1_PERR))
- ? true : false;
-
- if (fatal_int) {
- if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) {
- ath_print(common, ATH_DBG_ANY,
- "received PCI FATAL interrupt\n");
- }
- if (sync_cause & AR_INTR_SYNC_HOST1_PERR) {
- ath_print(common, ATH_DBG_ANY,
- "received PCI PERR interrupt\n");
- }
- *masked |= ATH9K_INT_FATAL;
- }
- if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
- ath_print(common, ATH_DBG_INTERRUPT,
- "AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
- REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
- REG_WRITE(ah, AR_RC, 0);
- *masked |= ATH9K_INT_FATAL;
- }
- if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) {
- ath_print(common, ATH_DBG_INTERRUPT,
- "AR_INTR_SYNC_LOCAL_TIMEOUT\n");
- }
-
- REG_WRITE(ah, AR_INTR_SYNC_CAUSE_CLR, sync_cause);
- (void) REG_READ(ah, AR_INTR_SYNC_CAUSE_CLR);
- }
-
- return true;
-}
-EXPORT_SYMBOL(ath9k_hw_getisr);
-
-enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
-{
- u32 omask = ah->mask_reg;
- u32 mask, mask2;
- struct ath9k_hw_capabilities *pCap = &ah->caps;
- struct ath_common *common = ath9k_hw_common(ah);
-
- ath_print(common, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
-
- if (omask & ATH9K_INT_GLOBAL) {
- ath_print(common, ATH_DBG_INTERRUPT, "disable IER\n");
- REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
- (void) REG_READ(ah, AR_IER);
- if (!AR_SREV_9100(ah)) {
- REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, 0);
- (void) REG_READ(ah, AR_INTR_ASYNC_ENABLE);
-
- REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
- (void) REG_READ(ah, AR_INTR_SYNC_ENABLE);
- }
- }
-
- mask = ints & ATH9K_INT_COMMON;
- mask2 = 0;
-
- if (ints & ATH9K_INT_TX) {
- if (ah->txok_interrupt_mask)
- mask |= AR_IMR_TXOK;
- if (ah->txdesc_interrupt_mask)
- mask |= AR_IMR_TXDESC;
- if (ah->txerr_interrupt_mask)
- mask |= AR_IMR_TXERR;
- if (ah->txeol_interrupt_mask)
- mask |= AR_IMR_TXEOL;
- }
- if (ints & ATH9K_INT_RX) {
- mask |= AR_IMR_RXERR;
- if (ah->config.rx_intr_mitigation)
- mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
- else
- mask |= AR_IMR_RXOK | AR_IMR_RXDESC;
- if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
- mask |= AR_IMR_GENTMR;
- }
-
- if (ints & (ATH9K_INT_BMISC)) {
- mask |= AR_IMR_BCNMISC;
- if (ints & ATH9K_INT_TIM)
- mask2 |= AR_IMR_S2_TIM;
- if (ints & ATH9K_INT_DTIM)
- mask2 |= AR_IMR_S2_DTIM;
- if (ints & ATH9K_INT_DTIMSYNC)
- mask2 |= AR_IMR_S2_DTIMSYNC;
- if (ints & ATH9K_INT_CABEND)
- mask2 |= AR_IMR_S2_CABEND;
- if (ints & ATH9K_INT_TSFOOR)
- mask2 |= AR_IMR_S2_TSFOOR;
- }
-
- if (ints & (ATH9K_INT_GTT | ATH9K_INT_CST)) {
- mask |= AR_IMR_BCNMISC;
- if (ints & ATH9K_INT_GTT)
- mask2 |= AR_IMR_S2_GTT;
- if (ints & ATH9K_INT_CST)
- mask2 |= AR_IMR_S2_CST;
- }
-
- ath_print(common, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
- REG_WRITE(ah, AR_IMR, mask);
- mask = REG_READ(ah, AR_IMR_S2) & ~(AR_IMR_S2_TIM |
- AR_IMR_S2_DTIM |
- AR_IMR_S2_DTIMSYNC |
- AR_IMR_S2_CABEND |
- AR_IMR_S2_CABTO |
- AR_IMR_S2_TSFOOR |
- AR_IMR_S2_GTT | AR_IMR_S2_CST);
- REG_WRITE(ah, AR_IMR_S2, mask | mask2);
- ah->mask_reg = ints;
-
- if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
- if (ints & ATH9K_INT_TIM_TIMER)
- REG_SET_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
- else
- REG_CLR_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
- }
-
- if (ints & ATH9K_INT_GLOBAL) {
- ath_print(common, ATH_DBG_INTERRUPT, "enable IER\n");
- REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
- if (!AR_SREV_9100(ah)) {
- REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
- AR_INTR_MAC_IRQ);
- REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
-
-
- REG_WRITE(ah, AR_INTR_SYNC_ENABLE,
- AR_INTR_SYNC_DEFAULT);
- REG_WRITE(ah, AR_INTR_SYNC_MASK,
- AR_INTR_SYNC_DEFAULT);
- }
- ath_print(common, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
- REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
- }
-
- return omask;
-}
-EXPORT_SYMBOL(ath9k_hw_set_interrupts);
-
/*******************/
/* Beacon Handling */
/*******************/
@@ -2970,6 +1872,8 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
ah->beacon_interval = beacon_period;
+ ENABLE_REGWRITE_BUFFER(ah);
+
switch (ah->opmode) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_MONITOR:
@@ -3013,6 +1917,9 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
REG_WRITE(ah, AR_SWBA_PERIOD, TU_TO_USEC(beacon_period));
REG_WRITE(ah, AR_NDP_PERIOD, TU_TO_USEC(beacon_period));
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
beacon_period &= ~ATH9K_BEACON_ENA;
if (beacon_period & ATH9K_BEACON_RESET_TSF) {
ath9k_hw_reset_tsf(ah);
@@ -3029,6 +1936,8 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
struct ath9k_hw_capabilities *pCap = &ah->caps;
struct ath_common *common = ath9k_hw_common(ah);
+ ENABLE_REGWRITE_BUFFER(ah);
+
REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bs->bs_nexttbtt));
REG_WRITE(ah, AR_BEACON_PERIOD,
@@ -3036,6 +1945,9 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
REG_WRITE(ah, AR_DMA_BEACON_PERIOD,
TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
REG_RMW_FIELD(ah, AR_RSSI_THR,
AR_RSSI_THR_BM_THR, bs->bs_bmissthreshold);
@@ -3058,6 +1970,8 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
ath_print(common, ATH_DBG_BEACON, "beacon period %d\n", beaconintval);
ath_print(common, ATH_DBG_BEACON, "DTIM period %d\n", dtimperiod);
+ ENABLE_REGWRITE_BUFFER(ah);
+
REG_WRITE(ah, AR_NEXT_DTIM,
TU_TO_USEC(bs->bs_nextdtim - SLEEP_SLOP));
REG_WRITE(ah, AR_NEXT_TIM, TU_TO_USEC(nextTbtt - SLEEP_SLOP));
@@ -3077,6 +1991,9 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
REG_WRITE(ah, AR_TIM_PERIOD, TU_TO_USEC(beaconintval));
REG_WRITE(ah, AR_DTIM_PERIOD, TU_TO_USEC(dtimperiod));
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
REG_SET_BIT(ah, AR_TIMER_MODE,
AR_TBTT_TIMER_EN | AR_TIM_TIMER_EN |
AR_DTIM_TIMER_EN);
@@ -3219,7 +2136,9 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
else
pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
- if (AR_SREV_9285_10_OR_LATER(ah))
+ if (AR_SREV_9271(ah))
+ pCap->num_gpio_pins = AR9271_NUM_GPIO;
+ else if (AR_SREV_9285_10_OR_LATER(ah))
pCap->num_gpio_pins = AR9285_NUM_GPIO;
else if (AR_SREV_9280_10_OR_LATER(ah))
pCap->num_gpio_pins = AR928X_NUM_GPIO;
@@ -3246,8 +2165,10 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
pCap->hw_caps |= ATH9K_HW_CAP_RFSILENT;
}
#endif
-
- pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP;
+ if (AR_SREV_9271(ah))
+ pCap->hw_caps |= ATH9K_HW_CAP_AUTOSLEEP;
+ else
+ pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP;
if (AR_SREV_9280(ah) || AR_SREV_9285(ah))
pCap->hw_caps &= ~ATH9K_HW_CAP_4KB_SPLITTRANS;
@@ -3291,6 +2212,26 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
btcoex_hw->scheme = ATH_BTCOEX_CFG_NONE;
}
+ if (AR_SREV_9300_20_OR_LATER(ah)) {
+ pCap->hw_caps |= ATH9K_HW_CAP_EDMA | ATH9K_HW_CAP_LDPC |
+ ATH9K_HW_CAP_FASTCLOCK;
+ pCap->rx_hp_qdepth = ATH9K_HW_RX_HP_QDEPTH;
+ pCap->rx_lp_qdepth = ATH9K_HW_RX_LP_QDEPTH;
+ pCap->rx_status_len = sizeof(struct ar9003_rxs);
+ pCap->tx_desc_len = sizeof(struct ar9003_txc);
+ pCap->txs_len = sizeof(struct ar9003_txs);
+ } else {
+ pCap->tx_desc_len = sizeof(struct ath_desc);
+ if (AR_SREV_9280_20(ah) &&
+ ((ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) <=
+ AR5416_EEP_MINOR_VER_16) ||
+ ah->eep_ops->get_eeprom(ah, EEP_FSTCLK_5G)))
+ pCap->hw_caps |= ATH9K_HW_CAP_FASTCLOCK;
+ }
+
+ if (AR_SREV_9300_20_OR_LATER(ah))
+ pCap->hw_caps |= ATH9K_HW_CAP_RAC_SUPPORTED;
+
return 0;
}
@@ -3323,10 +2264,6 @@ bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type,
case ATH9K_CAP_TKIP_SPLIT:
return (ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA) ?
false : true;
- case ATH9K_CAP_DIVERSITY:
- return (REG_READ(ah, AR_PHY_CCK_DETECT) &
- AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV) ?
- true : false;
case ATH9K_CAP_MCAST_KEYSRCH:
switch (capability) {
case 0:
@@ -3369,8 +2306,6 @@ EXPORT_SYMBOL(ath9k_hw_getcapability);
bool ath9k_hw_setcapability(struct ath_hw *ah, enum ath9k_capability_type type,
u32 capability, u32 setting, int *status)
{
- u32 v;
-
switch (type) {
case ATH9K_CAP_TKIP_MIC:
if (setting)
@@ -3380,14 +2315,6 @@ bool ath9k_hw_setcapability(struct ath_hw *ah, enum ath9k_capability_type type,
ah->sta_id1_defaults &=
~AR_STA_ID1_CRPT_MIC_ENABLE;
return true;
- case ATH9K_CAP_DIVERSITY:
- v = REG_READ(ah, AR_PHY_CCK_DETECT);
- if (setting)
- v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
- else
- v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
- REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
- return true;
case ATH9K_CAP_MCAST_KEYSRCH:
if (setting)
ah->sta_id1_defaults |= AR_STA_ID1_MCAST_KSRCH;
@@ -3455,7 +2382,11 @@ u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio)
if (gpio >= ah->caps.num_gpio_pins)
return 0xffffffff;
- if (AR_SREV_9287_10_OR_LATER(ah))
+ if (AR_SREV_9300_20_OR_LATER(ah))
+ return MS_REG_READ(AR9300, gpio) != 0;
+ else if (AR_SREV_9271(ah))
+ return MS_REG_READ(AR9271, gpio) != 0;
+ else if (AR_SREV_9287_10_OR_LATER(ah))
return MS_REG_READ(AR9287, gpio) != 0;
else if (AR_SREV_9285_10_OR_LATER(ah))
return MS_REG_READ(AR9285, gpio) != 0;
@@ -3484,6 +2415,9 @@ EXPORT_SYMBOL(ath9k_hw_cfg_output);
void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val)
{
+ if (AR_SREV_9271(ah))
+ val = ~val;
+
REG_RMW(ah, AR_GPIO_IN_OUT, ((val & 1) << gpio),
AR_GPIO_BIT(gpio));
}
@@ -3523,6 +2457,8 @@ void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits)
{
u32 phybits;
+ ENABLE_REGWRITE_BUFFER(ah);
+
REG_WRITE(ah, AR_RX_FILTER, bits);
phybits = 0;
@@ -3538,6 +2474,9 @@ void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits)
else
REG_WRITE(ah, AR_RXCFG,
REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_ZLFDMA);
+
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
}
EXPORT_SYMBOL(ath9k_hw_setrxfilter);
@@ -3610,14 +2549,25 @@ void ath9k_hw_write_associd(struct ath_hw *ah)
}
EXPORT_SYMBOL(ath9k_hw_write_associd);
+#define ATH9K_MAX_TSF_READ 10
+
u64 ath9k_hw_gettsf64(struct ath_hw *ah)
{
- u64 tsf;
+ u32 tsf_lower, tsf_upper1, tsf_upper2;
+ int i;
+
+ tsf_upper1 = REG_READ(ah, AR_TSF_U32);
+ for (i = 0; i < ATH9K_MAX_TSF_READ; i++) {
+ tsf_lower = REG_READ(ah, AR_TSF_L32);
+ tsf_upper2 = REG_READ(ah, AR_TSF_U32);
+ if (tsf_upper2 == tsf_upper1)
+ break;
+ tsf_upper1 = tsf_upper2;
+ }
- tsf = REG_READ(ah, AR_TSF_U32);
- tsf = (tsf << 32) | REG_READ(ah, AR_TSF_L32);
+ WARN_ON( i == ATH9K_MAX_TSF_READ );
- return tsf;
+ return (((u64)tsf_upper1 << 32) | tsf_lower);
}
EXPORT_SYMBOL(ath9k_hw_gettsf64);
@@ -3868,6 +2818,16 @@ void ath_gen_timer_isr(struct ath_hw *ah)
}
EXPORT_SYMBOL(ath_gen_timer_isr);
+/********/
+/* HTC */
+/********/
+
+void ath9k_hw_htc_resetinit(struct ath_hw *ah)
+{
+ ah->htc_reset_init = true;
+}
+EXPORT_SYMBOL(ath9k_hw_htc_resetinit);
+
static struct {
u32 version;
const char * name;
@@ -3882,6 +2842,7 @@ static struct {
{ AR_SREV_VERSION_9285, "9285" },
{ AR_SREV_VERSION_9287, "9287" },
{ AR_SREV_VERSION_9271, "9271" },
+ { AR_SREV_VERSION_9300, "9300" },
};
/* For devices with external radios */
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-11 12:24:03 +0000