2010-06-30 09:14:22

by Sujith

[permalink] [raw]
Subject: [PATCH] ath9k_htc: Add LED support for AR7010

Signed-off-by: Sujith <[email protected]>
---
drivers/net/wireless/ath/ath9k/htc.h | 1 +
drivers/net/wireless/ath/ath9k/htc_drv_main.c | 2 +
drivers/net/wireless/ath/ath9k/hw.c | 34 ++++++++++++++++++++++---
drivers/net/wireless/ath/ath9k/reg.h | 23 +++++++++++++++++
4 files changed, 56 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 58f52a1..3756400 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -287,6 +287,7 @@ struct ath9k_debug {
#define ATH_LED_PIN_DEF 1
#define ATH_LED_PIN_9287 8
#define ATH_LED_PIN_9271 15
+#define ATH_LED_PIN_7010 12
#define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */
#define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 05445d8..e38ca66 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -931,6 +931,8 @@ void ath9k_init_leds(struct ath9k_htc_priv *priv)
priv->ah->led_pin = ATH_LED_PIN_9287;
else if (AR_SREV_9271(priv->ah))
priv->ah->led_pin = ATH_LED_PIN_9271;
+ else if (AR_DEVID_7010(priv->ah))
+ priv->ah->led_pin = ATH_LED_PIN_7010;
else
priv->ah->led_pin = ATH_LED_PIN_DEF;

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 1ed1440..3c76ecb 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2176,6 +2176,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)

if (AR_SREV_9271(ah))
pCap->num_gpio_pins = AR9271_NUM_GPIO;
+ else if (AR_DEVID_7010(ah))
+ pCap->num_gpio_pins = AR7010_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))
@@ -2316,8 +2318,15 @@ void ath9k_hw_cfg_gpio_input(struct ath_hw *ah, u32 gpio)

BUG_ON(gpio >= ah->caps.num_gpio_pins);

- gpio_shift = gpio << 1;
+ if (AR_DEVID_7010(ah)) {
+ gpio_shift = gpio;
+ REG_RMW(ah, AR7010_GPIO_OE,
+ (AR7010_GPIO_OE_AS_INPUT << gpio_shift),
+ (AR7010_GPIO_OE_MASK << gpio_shift));
+ return;
+ }

+ gpio_shift = gpio << 1;
REG_RMW(ah,
AR_GPIO_OE_OUT,
(AR_GPIO_OE_OUT_DRV_NO << gpio_shift),
@@ -2333,7 +2342,11 @@ u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio)
if (gpio >= ah->caps.num_gpio_pins)
return 0xffffffff;

- if (AR_SREV_9300_20_OR_LATER(ah))
+ if (AR_DEVID_7010(ah)) {
+ u32 val;
+ val = REG_READ(ah, AR7010_GPIO_IN);
+ return (MS(val, AR7010_GPIO_IN_VAL) & AR_GPIO_BIT(gpio)) == 0;
+ } else 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;
@@ -2353,10 +2366,16 @@ void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
{
u32 gpio_shift;

- ath9k_hw_gpio_cfg_output_mux(ah, gpio, ah_signal_type);
+ if (AR_DEVID_7010(ah)) {
+ gpio_shift = gpio;
+ REG_RMW(ah, AR7010_GPIO_OE,
+ (AR7010_GPIO_OE_AS_OUTPUT << gpio_shift),
+ (AR7010_GPIO_OE_MASK << gpio_shift));
+ return;
+ }

+ ath9k_hw_gpio_cfg_output_mux(ah, gpio, ah_signal_type);
gpio_shift = 2 * gpio;
-
REG_RMW(ah,
AR_GPIO_OE_OUT,
(AR_GPIO_OE_OUT_DRV_ALL << gpio_shift),
@@ -2366,6 +2385,13 @@ EXPORT_SYMBOL(ath9k_hw_cfg_output);

void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val)
{
+ if (AR_DEVID_7010(ah)) {
+ val = val ? 0 : 1;
+ REG_RMW(ah, AR7010_GPIO_OUT, ((val&1) << gpio),
+ AR_GPIO_BIT(gpio));
+ return;
+ }
+
if (AR_SREV_9271(ah))
val = ~val;

diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 47be667..633e3d9 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -882,6 +882,7 @@
#define AR_SREV_9271_11(_ah) \
(AR_SREV_9271(_ah) && \
((_ah)->hw_version.macRev == AR_SREV_REVISION_9271_11))
+
#define AR_SREV_9300(_ah) \
(((_ah)->hw_version.macVersion == AR_SREV_VERSION_9300))
#define AR_SREV_9300_20(_ah) \
@@ -896,6 +897,10 @@
(AR_SREV_9285_12_OR_LATER(_ah) && \
((REG_READ(_ah, AR_AN_SYNTH9) & 0x7) == 0x1))

+#define AR_DEVID_7010(_ah) \
+ (((_ah)->hw_version.devid == 0x7010) || \
+ ((_ah)->hw_version.devid == 0x9018))
+
#define AR_RADIO_SREV_MAJOR 0xf0
#define AR_RAD5133_SREV_MAJOR 0xc0
#define AR_RAD2133_SREV_MAJOR 0xd0
@@ -993,6 +998,7 @@ enum {
#define AR9287_NUM_GPIO 11
#define AR9271_NUM_GPIO 16
#define AR9300_NUM_GPIO 17
+#define AR7010_NUM_GPIO 16

#define AR_GPIO_IN_OUT 0x4048
#define AR_GPIO_IN_VAL 0x0FFFC000
@@ -1007,6 +1013,8 @@ enum {
#define AR9271_GPIO_IN_VAL_S 16
#define AR9300_GPIO_IN_VAL 0x0001FFFF
#define AR9300_GPIO_IN_VAL_S 0
+#define AR7010_GPIO_IN_VAL 0x0000FFFF
+#define AR7010_GPIO_IN_VAL_S 0

#define AR_GPIO_OE_OUT (AR_SREV_9300_20_OR_LATER(ah) ? 0x4050 : 0x404c)
#define AR_GPIO_OE_OUT_DRV 0x3
@@ -1015,6 +1023,21 @@ enum {
#define AR_GPIO_OE_OUT_DRV_HI 0x2
#define AR_GPIO_OE_OUT_DRV_ALL 0x3

+#define AR7010_GPIO_OE 0x52000
+#define AR7010_GPIO_OE_MASK 0x1
+#define AR7010_GPIO_OE_AS_OUTPUT 0x0
+#define AR7010_GPIO_OE_AS_INPUT 0x1
+#define AR7010_GPIO_IN 0x52004
+#define AR7010_GPIO_OUT 0x52008
+#define AR7010_GPIO_SET 0x5200C
+#define AR7010_GPIO_CLEAR 0x52010
+#define AR7010_GPIO_INT 0x52014
+#define AR7010_GPIO_INT_TYPE 0x52018
+#define AR7010_GPIO_INT_POLARITY 0x5201C
+#define AR7010_GPIO_PENDING 0x52020
+#define AR7010_GPIO_INT_MASK 0x52024
+#define AR7010_GPIO_FUNCTION 0x52028
+
#define AR_GPIO_INTR_POL (AR_SREV_9300_20_OR_LATER(ah) ? 0x4058 : 0x4050)
#define AR_GPIO_INTR_POL_VAL 0x0001FFFF
#define AR_GPIO_INTR_POL_VAL_S 0
--
1.7.1