diff options
| author | Miaoqing Pan <miaoqing@codeaurora.org> | 2016-03-07 03:38:18 +0100 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2016-03-11 13:00:03 +0100 |
| commit | c8770bcf5cefa8cbfae21c07c4fe3428f5a9d42a (patch) | |
| tree | d5527bff939dab084895ca1cd58a0dcdcc0e7008 /drivers/net/wireless | |
| parent | ath9k: cleanup led_pin initial (diff) | |
| download | linux-c8770bcf5cefa8cbfae21c07c4fe3428f5a9d42a.tar.xz linux-c8770bcf5cefa8cbfae21c07c4fe3428f5a9d42a.zip | |
ath9k: Allow platform override BTCoex pin
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>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/btcoex.c | 45 |
1 files changed, 35 insertions, 10 deletions
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c index 4737aa947f99..95a810ba98ac 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.c +++ b/drivers/net/wireless/ath/ath9k/btcoex.c @@ -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); |