diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/btcoex.c | 57 |
1 files changed, 37 insertions, 20 deletions
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c index 6209a56f7a9..61a8e1d95bb 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.c +++ b/drivers/net/wireless/ath/ath9k/btcoex.c @@ -117,30 +117,47 @@ void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah) ath9k_hw_cfg_gpio_input(ah, btcoex_info->btpriority_gpio); } +static void ath9k_hw_btcoex_enable_2wire(struct ath_hw *ah) +{ + struct ath_btcoex_info *btcoex_info = &ah->btcoex_info; + + /* Configure the desired GPIO port for TX_FRAME output */ + ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio, + AR_GPIO_OUTPUT_MUX_AS_TX_FRAME); +} + +static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah) +{ + struct ath_btcoex_info *btcoex_info = &ah->btcoex_info; + + /* + * Program coex mode and weight registers to + * enable coex 3-wire + */ + REG_WRITE(ah, AR_BT_COEX_MODE, btcoex_info->bt_coex_mode); + REG_WRITE(ah, AR_BT_COEX_WEIGHT, btcoex_info->bt_coex_weights); + REG_WRITE(ah, AR_BT_COEX_MODE2, btcoex_info->bt_coex_mode2); + + REG_RMW_FIELD(ah, AR_QUIET1, AR_QUIET1_QUIET_ACK_CTS_ENABLE, 1); + REG_RMW_FIELD(ah, AR_PCU_MISC, AR_PCU_BT_ANT_PREVENT_RX, 0); + + ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio, + AR_GPIO_OUTPUT_MUX_AS_RX_CLEAR_EXTERNAL); +} + void ath9k_hw_btcoex_enable(struct ath_hw *ah) { struct ath_btcoex_info *btcoex_info = &ah->btcoex_info; - if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_2WIRE) { - /* Configure the desired GPIO port for TX_FRAME output */ - ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio, - AR_GPIO_OUTPUT_MUX_AS_TX_FRAME); - } else { - /* - * Program coex mode and weight registers to - * enable coex 3-wire - */ - REG_WRITE(ah, AR_BT_COEX_MODE, btcoex_info->bt_coex_mode); - REG_WRITE(ah, AR_BT_COEX_WEIGHT, btcoex_info->bt_coex_weights); - REG_WRITE(ah, AR_BT_COEX_MODE2, btcoex_info->bt_coex_mode2); - - REG_RMW_FIELD(ah, AR_QUIET1, - AR_QUIET1_QUIET_ACK_CTS_ENABLE, 1); - REG_RMW_FIELD(ah, AR_PCU_MISC, - AR_PCU_BT_ANT_PREVENT_RX, 0); - - ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio, - AR_GPIO_OUTPUT_MUX_AS_RX_CLEAR_EXTERNAL); + switch (btcoex_info->btcoex_scheme) { + case ATH_BTCOEX_CFG_NONE: + break; + case ATH_BTCOEX_CFG_2WIRE: + ath9k_hw_btcoex_enable_2wire(ah); + break; + case ATH_BTCOEX_CFG_3WIRE: + ath9k_hw_btcoex_enable_3wire(ah); + break; } REG_RMW(ah, AR_GPIO_PDPU, |