diff options
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/btcoex.c | 75 |
1 files changed, 44 insertions, 31 deletions
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c index dfbcbd0969e6..be699241ca75 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.c +++ b/drivers/net/wireless/ath/ath9k/btcoex.c @@ -225,48 +225,61 @@ static int ath_init_btcoex_info(struct ath_hw *ah, return 0; } -int ath9k_hw_btcoex_init(struct ath_hw *ah) +static void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah) { struct ath_btcoex_info *btcoex_info = &ah->btcoex_info; - int ret = 0; - if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_2WIRE) { - /* connect bt_active to baseband */ - REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL, - (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_DEF | - AR_GPIO_INPUT_EN_VAL_BT_FREQUENCY_DEF)); + /* connect bt_active to baseband */ + REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL, + (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_DEF | + AR_GPIO_INPUT_EN_VAL_BT_FREQUENCY_DEF)); - REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, - AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB); + REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, + AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB); - /* Set input mux for bt_active to gpio pin */ - REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, - AR_GPIO_INPUT_MUX1_BT_ACTIVE, - btcoex_info->btactive_gpio); + /* Set input mux for bt_active to gpio pin */ + REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, + AR_GPIO_INPUT_MUX1_BT_ACTIVE, + btcoex_info->btactive_gpio); - /* Configure the desired gpio port for input */ - ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio); - } else { - /* btcoex 3-wire */ - REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, - (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB | - AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB)); + /* Configure the desired gpio port for input */ + ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio); +} + +static void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah) +{ + struct ath_btcoex_info *btcoex_info = &ah->btcoex_info; - /* Set input mux for bt_prority_async and - * bt_active_async to GPIO pins */ - REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, - AR_GPIO_INPUT_MUX1_BT_ACTIVE, - btcoex_info->btactive_gpio); + /* btcoex 3-wire */ + REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, + (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB | + AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB)); - REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, - AR_GPIO_INPUT_MUX1_BT_PRIORITY, - btcoex_info->btpriority_gpio); + /* Set input mux for bt_prority_async and + * bt_active_async to GPIO pins */ + REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, + AR_GPIO_INPUT_MUX1_BT_ACTIVE, + btcoex_info->btactive_gpio); - /* Configure the desired GPIO ports for input */ + REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, + AR_GPIO_INPUT_MUX1_BT_PRIORITY, + btcoex_info->btpriority_gpio); - ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio); - ath9k_hw_cfg_gpio_input(ah, btcoex_info->btpriority_gpio); + /* Configure the desired GPIO ports for input */ + + ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio); + ath9k_hw_cfg_gpio_input(ah, btcoex_info->btpriority_gpio); +} + +int ath9k_hw_btcoex_init(struct ath_hw *ah) +{ + struct ath_btcoex_info *btcoex_info = &ah->btcoex_info; + int ret = 0; + if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_2WIRE) + ath9k_hw_btcoex_init_2wire(ah); + else { + ath9k_hw_btcoex_init_3wire(ah); ret = ath_init_btcoex_info(ah, btcoex_info); } |
