diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/htc_drv_gpio.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_gpio.c | 73 |
1 files changed, 61 insertions, 12 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c index 6506e1fd5036..1c10e2e5c237 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c @@ -20,6 +20,10 @@ /* BTCOEX */ /******************/ +#define ATH_HTC_BTCOEX_PRODUCT_ID "wb193" + +#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT + /* * Detects if there is any priority bt traffic */ @@ -111,13 +115,10 @@ static void ath_btcoex_duty_cycle_work(struct work_struct *work) ath9k_hw_btcoex_enable(priv->ah); } -void ath_htc_init_btcoex_work(struct ath9k_htc_priv *priv) +static void ath_htc_init_btcoex_work(struct ath9k_htc_priv *priv) { struct ath_btcoex *btcoex = &priv->btcoex; - if (ath9k_hw_get_btcoex_scheme(priv->ah) == ATH_BTCOEX_CFG_NONE) - return; - btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD; btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * btcoex->btcoex_period / 100; @@ -131,14 +132,11 @@ void ath_htc_init_btcoex_work(struct ath9k_htc_priv *priv) * (Re)start btcoex work */ -void ath_htc_resume_btcoex_work(struct ath9k_htc_priv *priv) +static void ath_htc_resume_btcoex_work(struct ath9k_htc_priv *priv) { struct ath_btcoex *btcoex = &priv->btcoex; struct ath_hw *ah = priv->ah; - if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) - return; - ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex work\n"); btcoex->bt_priority_cnt = 0; @@ -151,15 +149,66 @@ void ath_htc_resume_btcoex_work(struct ath9k_htc_priv *priv) /* * Cancel btcoex and bt duty cycle work. */ -void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv) +static void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv) { - if (ath9k_hw_get_btcoex_scheme(priv->ah) == ATH_BTCOEX_CFG_NONE) - return; - cancel_delayed_work_sync(&priv->coex_period_work); cancel_delayed_work_sync(&priv->duty_cycle_work); } +void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv) +{ + struct ath_hw *ah = priv->ah; + + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) { + ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, + AR_STOMP_LOW_WLAN_WGHT); + ath9k_hw_btcoex_enable(ah); + ath_htc_resume_btcoex_work(priv); + } +} + +void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv) +{ + struct ath_hw *ah = priv->ah; + + if (ah->btcoex_hw.enabled && + ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) { + ath9k_hw_btcoex_disable(ah); + if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) + ath_htc_cancel_btcoex_work(priv); + } +} + +void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product) +{ + struct ath_hw *ah = priv->ah; + int qnum; + + if (product && strncmp(product, ATH_HTC_BTCOEX_PRODUCT_ID, 5) == 0) { + ah->btcoex_hw.scheme = ATH_BTCOEX_CFG_3WIRE; + } + + switch (ath9k_hw_get_btcoex_scheme(priv->ah)) { + case ATH_BTCOEX_CFG_NONE: + break; + case ATH_BTCOEX_CFG_3WIRE: + priv->ah->btcoex_hw.btactive_gpio = 7; + priv->ah->btcoex_hw.btpriority_gpio = 6; + priv->ah->btcoex_hw.wlanactive_gpio = 8; + priv->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW; + ath9k_hw_btcoex_init_3wire(priv->ah); + ath_htc_init_btcoex_work(priv); + qnum = priv->hwq_map[WME_AC_BE]; + ath9k_hw_init_btcoex_hw(priv->ah, qnum); + break; + default: + WARN_ON(1); + break; + } +} + +#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ + /*******/ /* LED */ /*******/ |