Commit c8770bcf authored by Miaoqing Pan's avatar Miaoqing Pan Committed by Kalle Valo
Browse files

ath9k: Allow platform override BTCoex pin 



Add new platform data to allow override BTCoex default pin.

Signed-off-by: default avatarMiaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 79d4db12

drivers/net/wireless/ath/ath9k/btcoex.c

+35 −10
Original line number Diff line number Diff line
@@ -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);

include/linux/ath9k_platform.h

+4 −0
Original line number Diff line number Diff line
@@ -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;