leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ath9k: Allow platform override BTCoex pin

Browse Source 
Add new platform data to allow override BTCoex default pin.

Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Miaoqing Pan 2016-03-07 10:38:18 +08:00 committed by Kalle Valo
parent 79d4db1214
commit c8770bcf5c
2 changed files with 39 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
drivers/net/wireless/ath/ath9k/btcoex.c
View File

@ -15,6 +15,8 @@
*/
#include <linux/export.h>
#include <linux/types.h>
#include <linux/ath9k_platform.h>
#include "hw.h"
enum ath_bt_mode {
@ -90,6 +92,29 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
}
EXPORT_SYMBOL(ath9k_hw_init_btcoex_hw);
static void ath9k_hw_btcoex_pin_init(struct ath_hw *ah, u8 wlanactive_gpio,
u8 btactive_gpio, u8 btpriority_gpio)
{
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
struct ath9k_platform_data *pdata = ah->dev->platform_data;
if (btcoex_hw->scheme != ATH_BTCOEX_CFG_2WIRE &&
btcoex_hw->scheme != ATH_BTCOEX_CFG_3WIRE)
return;
/* bt priority GPIO will be ignored by 2 wire scheme */
if (pdata && (pdata->bt_active_pin || pdata->bt_priority_pin ||
pdata->wlan_active_pin)) {
btcoex_hw->btactive_gpio = pdata->bt_active_pin;
btcoex_hw->wlanactive_gpio = pdata->wlan_active_pin;
btcoex_hw->btpriority_gpio = pdata->bt_priority_pin;
} else {
btcoex_hw->btactive_gpio = btactive_gpio;
btcoex_hw->wlanactive_gpio = wlanactive_gpio;
btcoex_hw->btpriority_gpio = btpriority_gpio;
}
}
void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
@ -107,19 +132,19 @@ void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah)
btcoex_hw->scheme = ATH_BTCOEX_CFG_MCI;
} else if (AR_SREV_9300_20_OR_LATER(ah)) {
btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9300;
btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9300;
btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO_9300;
} else if (AR_SREV_9280_20_OR_LATER(ah)) {
btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9280;
btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9280;
if (AR_SREV_9285(ah)) {
ath9k_hw_btcoex_pin_init(ah, ATH_WLANACTIVE_GPIO_9300,
ATH_BTACTIVE_GPIO_9300,
ATH_BTPRIORITY_GPIO_9300);
} else if (AR_SREV_9280_20_OR_LATER(ah)) {
if (AR_SREV_9285(ah))
btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO_9285;
} else {
else
btcoex_hw->scheme = ATH_BTCOEX_CFG_2WIRE;
}
ath9k_hw_btcoex_pin_init(ah, ATH_WLANACTIVE_GPIO_9280,
ATH_BTACTIVE_GPIO_9280,
ATH_BTPRIORITY_GPIO_9285);
}
}
EXPORT_SYMBOL(ath9k_hw_btcoex_init_scheme);

4
include/linux/ath9k_platform.h
View File

@ -31,6 +31,10 @@ struct ath9k_platform_data {
u32 gpio_mask;
u32 gpio_val;
u32 bt_active_pin;
u32 bt_priority_pin;
u32 wlan_active_pin;
bool endian_check;
bool is_clk_25mhz;
bool tx_gain_buffalo;