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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.c196
1 files changed, 90 insertions, 106 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
index a8a8cdc04afa..303c63da5ea3 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
@@ -18,6 +18,11 @@
#include "ar5008_initvals.h"
#include "ar9001_initvals.h"
#include "ar9002_initvals.h"
+#include "ar9002_phy.h"
+
+int modparam_force_new_ani;
+module_param_named(force_new_ani, modparam_force_new_ani, int, 0444);
+MODULE_PARM_DESC(nohwcrypt, "Force new ANI for AR5008, AR9001, AR9002");
/* General hardware code for the A5008/AR9001/AR9002 hadware families */
@@ -80,21 +85,6 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
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)) {
@@ -113,21 +103,6 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
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);
@@ -146,11 +121,6 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
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);
@@ -174,8 +144,8 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
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);
+ ar5416Addac_9160_1_1,
+ ARRAY_SIZE(ar5416Addac_9160_1_1), 2);
} else {
INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9160,
ARRAY_SIZE(ar5416Addac_9160), 2);
@@ -234,12 +204,12 @@ 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),
+ 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_92871_1,
- ARRAY_SIZE(ar9287Common_japan_2484_cck_fir_coeff_92871_1),
+ ar9287Common_japan_2484_cck_fir_coeff_9287_1_1,
+ ARRAY_SIZE(ar9287Common_japan_2484_cck_fir_coeff_9287_1_1),
2);
}
}
@@ -300,10 +270,6 @@ static void ar9002_hw_init_mode_gain_regs(struct ath_hw *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);
@@ -311,10 +277,6 @@ static void ar9002_hw_init_mode_gain_regs(struct ath_hw *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)) {
@@ -384,29 +346,6 @@ static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
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 {
ENABLE_REGWRITE_BUFFER(ah);
@@ -436,55 +375,84 @@ static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
}
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);
+ 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);
- /* Several PCIe massages to ensure proper behaviour */
+ /*
+ * Set PCIe workaround bits
+ * In AR9280 and AR9285, bit 14 in WA register (disable L1)
+ * should only be set when device enters D3 and be
+ * cleared when device comes back to D0.
+ */
+ if (ah->config.pcie_waen) {
+ if (ah->config.pcie_waen & AR_WA_D3_L1_DISABLE)
+ val |= AR_WA_D3_L1_DISABLE;
+ } else {
+ if (((AR_SREV_9285(ah) ||
+ AR_SREV_9271(ah) ||
+ AR_SREV_9287(ah)) &&
+ (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)) ||
+ (AR_SREV_9280(ah) &&
+ (AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE))) {
+ val |= AR_WA_D3_L1_DISABLE;
+ }
+ }
+
+ if (AR_SREV_9280(ah) || AR_SREV_9285(ah) || AR_SREV_9287(ah)) {
+ /*
+ * Disable bit 6 and 7 before entering D3 to
+ * prevent system hang.
+ */
+ val &= ~(AR_WA_BIT6 | AR_WA_BIT7);
+ }
+
+ if (AR_SREV_9285E_20(ah))
+ val |= AR_WA_BIT23;
+
+ REG_WRITE(ah, AR_WA, val);
+ } else {
if (ah->config.pcie_waen) {
val = ah->config.pcie_waen;
if (!power_off)
val &= (~AR_WA_D3_L1_DISABLE);
} else {
- if (AR_SREV_9285(ah) || AR_SREV_9271(ah) ||
+ 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)) {
+ }
+ else if (AR_SREV_9280(ah)) {
/*
- * On AR9280 chips bit 22 of 0x4004 needs to be
- * set otherwise card may disappear.
+ * 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
+ } else {
val = AR_WA_DEFAULT;
+ }
+ }
+
+ /* WAR for ASPM system hang */
+ if (AR_SREV_9280(ah) || AR_SREV_9285(ah) || AR_SREV_9287(ah)) {
+ val |= (AR_WA_BIT6 | AR_WA_BIT7);
}
+ if (AR_SREV_9285E_20(ah))
+ val |= AR_WA_BIT23;
+
REG_WRITE(ah, AR_WA, val);
- }
- 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);
- }
- }
+ /* 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);
}
}
@@ -536,18 +504,29 @@ int ar9002_hw_rf_claim(struct ath_hw *ah)
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);
+ }
+}
+
/*
- * 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)
+void ar9002_hw_update_async_fifo(struct ath_hw *ah)
{
- if (AR_SREV_9287_12_OR_LATER(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,
@@ -571,9 +550,9 @@ void ar9002_hw_enable_async_fifo(struct ath_hw *ah)
*/
void ar9002_hw_enable_wep_aggregation(struct ath_hw *ah)
{
- if (AR_SREV_9287_12_OR_LATER(ah)) {
+ if (AR_SREV_9287_13_OR_LATER(ah)) {
REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
- AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
+ AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
}
}
@@ -595,4 +574,9 @@ void ar9002_hw_attach_ops(struct ath_hw *ah)
ar9002_hw_attach_calib_ops(ah);
ar9002_hw_attach_mac_ops(ah);
+
+ if (modparam_force_new_ani)
+ ath9k_hw_attach_ani_ops_new(ah);
+ else
+ ath9k_hw_attach_ani_ops_old(ah);
}