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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.c122
1 files changed, 51 insertions, 71 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
index 648da3e885e..d480d2f3e18 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
@@ -23,25 +23,17 @@
/* General hardware code for the A5008/AR9001/AR9002 hadware families */
-static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
+static int ar9002_hw_init_mode_regs(struct ath_hw *ah)
{
if (AR_SREV_9271(ah)) {
INIT_INI_ARRAY(&ah->iniModes, ar9271Modes_9271);
INIT_INI_ARRAY(&ah->iniCommon, ar9271Common_9271);
INIT_INI_ARRAY(&ah->iniModes_9271_ANI_reg, ar9271Modes_9271_ANI_reg);
- return;
+ return 0;
}
- if (ah->config.pcie_clock_req)
- INIT_INI_ARRAY(&ah->iniPcieSerdes,
- ar9280PciePhy_clkreq_off_L1_9280);
- else
- INIT_INI_ARRAY(&ah->iniPcieSerdes,
- ar9280PciePhy_clkreq_always_on_L1_9280);
-#ifdef CONFIG_PM_SLEEP
- INIT_INI_ARRAY(&ah->iniPcieSerdesWow,
- ar9280PciePhy_awow);
-#endif
+ INIT_INI_ARRAY(&ah->iniPcieSerdes,
+ ar9280PciePhy_clkreq_always_on_L1_9280);
if (AR_SREV_9287_11_OR_LATER(ah)) {
INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1);
@@ -67,12 +59,10 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
} else if (AR_SREV_9100_OR_LATER(ah)) {
INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9100);
INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9100);
- INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9100);
INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9100);
} else {
INIT_INI_ARRAY(&ah->iniModes, ar5416Modes);
INIT_INI_ARRAY(&ah->iniCommon, ar5416Common);
- INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC);
INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac);
}
@@ -80,20 +70,11 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
/* Common for AR5416, AR913x, AR9160 */
INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain);
- INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0);
- INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1);
- INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2);
- INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3);
- INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7);
-
- /* Common for AR5416, AR9160 */
- if (!AR_SREV_9100(ah))
- INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6);
-
/* Common for AR913x, AR9160 */
if (!AR_SREV_5416(ah))
- INIT_INI_ARRAY(&ah->iniBank6TPC,
- ar5416Bank6TPC_9100);
+ INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6TPC_9100);
+ else
+ INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6TPC);
}
/* iniAddac needs to be modified for these chips */
@@ -102,9 +83,9 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
u32 size = sizeof(u32) * addac->ia_rows * addac->ia_columns;
u32 *data;
- data = kmalloc(size, GFP_KERNEL);
+ data = devm_kzalloc(ah->dev, size, GFP_KERNEL);
if (!data)
- return;
+ return -ENOMEM;
memcpy(data, addac->ia_array, size);
addac->ia_array = data;
@@ -120,6 +101,7 @@ static void ar9002_hw_init_mode_regs(struct ath_hw *ah)
INIT_INI_ARRAY(&ah->iniCckfirJapan2484,
ar9287Common_japan_2484_cck_fir_coeff_9287_1_1);
}
+ return 0;
}
static void ar9280_20_hw_init_rxgain_ini(struct ath_hw *ah)
@@ -283,13 +265,12 @@ static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
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_9285(ah) || AR_SREV_9271(ah) || AR_SREV_9287(ah)) {
+ if (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)
+ val |= AR_WA_D3_L1_DISABLE;
+ } else if (AR_SREV_9280(ah)) {
+ if (AR9280_WA_DEFAULT & AR_WA_D3_L1_DISABLE)
+ val |= AR_WA_D3_L1_DISABLE;
}
}
@@ -311,24 +292,18 @@ static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
} else {
if (ah->config.pcie_waen) {
val = ah->config.pcie_waen;
- if (!power_off)
- val &= (~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)) {
+ 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)) {
+ val &= (~AR_WA_D3_L1_DISABLE);
+ } else if (AR_SREV_9280(ah)) {
/*
* For AR9280 chips, bit 22 of 0x4004
* needs to be set.
*/
val = AR9280_WA_DEFAULT;
- if (!power_off)
- val &= (~AR_WA_D3_L1_DISABLE);
+ val &= (~AR_WA_D3_L1_DISABLE);
} else {
val = AR_WA_DEFAULT;
}
@@ -408,23 +383,46 @@ void ar9002_hw_enable_async_fifo(struct ath_hw *ah)
}
}
+static void ar9002_hw_init_hang_checks(struct ath_hw *ah)
+{
+ if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) {
+ ah->config.hw_hang_checks |= HW_BB_RIFS_HANG;
+ ah->config.hw_hang_checks |= HW_BB_DFS_HANG;
+ }
+
+ if (AR_SREV_9280(ah))
+ ah->config.hw_hang_checks |= HW_BB_RX_CLEAR_STUCK_HANG;
+
+ if (AR_SREV_5416(ah) || AR_SREV_9100(ah) || AR_SREV_9160(ah))
+ ah->config.hw_hang_checks |= HW_MAC_HANG;
+}
+
/* Sets up the AR5008/AR9001/AR9002 hardware familiy callbacks */
-void ar9002_hw_attach_ops(struct ath_hw *ah)
+int 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);
+ int ret;
+
+ ret = ar9002_hw_init_mode_regs(ah);
+ if (ret)
+ return ret;
- priv_ops->init_mode_regs = ar9002_hw_init_mode_regs;
priv_ops->init_mode_gain_regs = ar9002_hw_init_mode_gain_regs;
+ priv_ops->init_hang_checks = ar9002_hw_init_hang_checks;
ops->config_pci_powersave = ar9002_hw_configpcipowersave;
- ar5008_hw_attach_phy_ops(ah);
+ ret = ar5008_hw_attach_phy_ops(ah);
+ if (ret)
+ return ret;
+
if (AR_SREV_9280_20_OR_LATER(ah))
ar9002_hw_attach_phy_ops(ah);
ar9002_hw_attach_calib_ops(ah);
ar9002_hw_attach_mac_ops(ah);
+ return 0;
}
void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan)
@@ -432,28 +430,10 @@ void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan)
u32 modesIndex;
int i;
- switch (chan->chanmode) {
- case CHANNEL_A:
- case CHANNEL_A_HT20:
- modesIndex = 1;
- break;
- case CHANNEL_A_HT40PLUS:
- case CHANNEL_A_HT40MINUS:
- modesIndex = 2;
- break;
- case CHANNEL_G:
- case CHANNEL_G_HT20:
- case CHANNEL_B:
- modesIndex = 4;
- break;
- case CHANNEL_G_HT40PLUS:
- case CHANNEL_G_HT40MINUS:
- modesIndex = 3;
- break;
-
- default:
- return;
- }
+ if (IS_CHAN_5GHZ(chan))
+ modesIndex = IS_CHAN_HT40(chan) ? 2 : 1;
+ else
+ modesIndex = IS_CHAN_HT40(chan) ? 3 : 4;
ENABLE_REGWRITE_BUFFER(ah);