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ath9k: Enable Bluetooth Coexistence support

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Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2009-01-02 15:35:46 +05:30 • committed by John W. Linville
parent 7d96920488
commit c97c92d927
4 changed files with 55 additions and 2 deletions
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33
drivers/net/wireless/ath9k/hw.c
View file

@ -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);
}