diff options
| author | Vasanthakumar Thiagarajan <vasanth@atheros.com> | 2009-01-02 15:35:46 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-01-29 15:59:46 -0500 |
| commit | c97c92d92715ea4ea2d7cf00957e8a014439bdd8 (patch) | |
| tree | a55e53c304358ebe9987fe73c69ec7ad4b885fe3 /drivers/net/wireless/ath9k/hw.c | |
| parent | 7d969204882882585336b0fa19ad4587d8fb15a2 (diff) | |
| download | lwn-c97c92d92715ea4ea2d7cf00957e8a014439bdd8.tar.gz lwn-c97c92d92715ea4ea2d7cf00957e8a014439bdd8.zip | |
ath9k: Enable Bluetooth Coexistence support
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath9k/hw.c')
| -rw-r--r-- | drivers/net/wireless/ath9k/hw.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c index 19144caa7977..3c026e6b2453 100644 --- a/drivers/net/wireless/ath9k/hw.c +++ b/drivers/net/wireless/ath9k/hw.c @@ -3341,6 +3341,12 @@ bool ath9k_hw_fill_cap_info(struct ath_hal *ah) pCap->num_antcfg_2ghz = ath9k_hw_get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_2GHZ); + if (AR_SREV_9280_10_OR_LATER(ah)) { + pCap->hw_caps |= ATH9K_HW_CAP_BT_COEX; + ah->ah_btactive_gpio = 6; + ah->ah_wlanactive_gpio = 5; + } + return true; } @@ -3836,3 +3842,30 @@ void ath9k_hw_set11nmac2040(struct ath_hal *ah, enum ath9k_ht_macmode mode) REG_WRITE(ah, AR_2040_MODE, macmode); } + +/***************************/ +/* Bluetooth Coexistence */ +/***************************/ + +void ath9k_hw_btcoex_enable(struct ath_hal *ah) +{ + /* 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); + + /* Set input mux for bt_active to gpio pin */ + REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, + AR_GPIO_INPUT_MUX1_BT_ACTIVE, + ah->ah_btactive_gpio); + + /* Configure the desired gpio port for input */ + ath9k_hw_cfg_gpio_input(ah, ah->ah_btactive_gpio); + + /* Configure the desired GPIO port for TX_FRAME output */ + ath9k_hw_cfg_output(ah, ah->ah_wlanactive_gpio, + AR_GPIO_OUTPUT_MUX_AS_TX_FRAME); +} |