From: Miaoqing Pan <miaoq...@codeaurora.org> Add new platform data to allow override BTCoex default pin.
Signed-off-by: Miaoqing Pan <miaoq...@codeaurora.org> --- drivers/net/wireless/ath/ath9k/btcoex.c | 45 +++++++++++++++++++++++++-------- include/linux/ath9k_platform.h | 4 +++ 2 files changed, 39 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c index 4737aa9..5a9ecf7 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 3 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); diff --git a/include/linux/ath9k_platform.h b/include/linux/ath9k_platform.h index 33eb274..e66153d 100644 --- a/include/linux/ath9k_platform.h +++ b/include/linux/ath9k_platform.h @@ -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; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html