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ath9k: split ath9k_hw_btcoex_enable() into two helpers 

One for 2-wire and another for 3-wire.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2009-09-09 04:17:45 -07:00 коммит произвёл John W. Linville
Родитель 75d7839f4c
Коммит bc74bf8fc3
1 изменённых файлов: 37 добавлений и 20 удалений
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57
drivers/net/wireless/ath/ath9k/btcoex.c
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@ -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,