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authorSujith <Sujith.Manoharan@atheros.com>2010-03-17 14:25:15 +0530
committerJohn W. Linville <linville@tuxdriver.com>2010-03-23 16:50:12 -0400
commit5b5fa3558db7451f4744ef92f2b1830d05b9307b (patch)
tree33a4fc2b6d2a2aac98538f9d95ef6d161400e537
parent70807e99dbb0c5847668b617caf0ad7f876a23d9 (diff)
downloadop-kernel-dev-5b5fa3558db7451f4744ef92f2b1830d05b9307b.zip
op-kernel-dev-5b5fa3558db7451f4744ef92f2b1830d05b9307b.tar.gz
ath9k_hw: add GPIO setup code for AR9271
Assign the proper number of GPIO pins for AR9271. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c11
-rw-r--r--drivers/net/wireless/ath/ath9k/reg.h3
2 files changed, 12 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 9de4603..7b1ba6f 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3229,7 +3229,9 @@ 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;
@@ -3465,7 +3467,9 @@ 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_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;
@@ -3494,6 +3498,9 @@ 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));
}
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 72cfa8e..198e41dd 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -940,6 +940,7 @@ enum {
#define AR928X_NUM_GPIO 10
#define AR9285_NUM_GPIO 12
#define AR9287_NUM_GPIO 11
+#define AR9271_NUM_GPIO 16
#define AR_GPIO_IN_OUT 0x4048
#define AR_GPIO_IN_VAL 0x0FFFC000
@@ -950,6 +951,8 @@ enum {
#define AR9285_GPIO_IN_VAL_S 12
#define AR9287_GPIO_IN_VAL 0x003FF800
#define AR9287_GPIO_IN_VAL_S 11
+#define AR9271_GPIO_IN_VAL 0xFFFF0000
+#define AR9271_GPIO_IN_VAL_S 16
#define AR_GPIO_OE_OUT 0x404c
#define AR_GPIO_OE_OUT_DRV 0x3
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