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 | 85 |
1 files changed, 75 insertions, 10 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c index db2352e5cc0..1c10e2e5c23 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 */ @@ -36,12 +40,12 @@ static void ath_detect_bt_priority(struct ath9k_htc_priv *priv) priv->op_flags &= ~(OP_BT_PRIORITY_DETECTED | OP_BT_SCAN); /* Detect if colocated bt started scanning */ if (btcoex->bt_priority_cnt >= ATH_BT_CNT_SCAN_THRESHOLD) { - ath_dbg(ath9k_hw_common(ah), ATH_DBG_BTCOEX, + ath_dbg(ath9k_hw_common(ah), BTCOEX, "BT scan detected\n"); priv->op_flags |= (OP_BT_SCAN | OP_BT_PRIORITY_DETECTED); } else if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) { - ath_dbg(ath9k_hw_common(ah), ATH_DBG_BTCOEX, + ath_dbg(ath9k_hw_common(ah), BTCOEX, "BT priority traffic detected\n"); priv->op_flags |= OP_BT_PRIORITY_DETECTED; } @@ -80,6 +84,7 @@ static void ath_btcoex_period_work(struct work_struct *work) ath9k_hw_btcoex_bt_stomp(priv->ah, is_btscan ? ATH_BTCOEX_STOMP_ALL : btcoex->bt_stomp_type); + ath9k_hw_btcoex_enable(priv->ah); timer_period = is_btscan ? btcoex->btscan_no_stomp : btcoex->btcoex_no_stomp; ieee80211_queue_delayed_work(priv->hw, &priv->duty_cycle_work, @@ -101,16 +106,16 @@ static void ath_btcoex_duty_cycle_work(struct work_struct *work) struct ath_common *common = ath9k_hw_common(ah); bool is_btscan = priv->op_flags & OP_BT_SCAN; - ath_dbg(common, ATH_DBG_BTCOEX, - "time slice work for bt and wlan\n"); + ath_dbg(common, BTCOEX, "time slice work for bt and wlan\n"); if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW || is_btscan) ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE); else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL) ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_LOW); + 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; @@ -127,12 +132,12 @@ 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; - ath_dbg(ath9k_hw_common(ah), ATH_DBG_BTCOEX, "Starting btcoex work\n"); + ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex work\n"); btcoex->bt_priority_cnt = 0; btcoex->bt_priority_time = jiffies; @@ -144,12 +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) { 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 */ /*******/ @@ -228,8 +287,14 @@ void ath9k_init_leds(struct ath9k_htc_priv *priv) static bool ath_is_rfkill_set(struct ath9k_htc_priv *priv) { - return ath9k_hw_gpio_get(priv->ah, priv->ah->rfkill_gpio) == - priv->ah->rfkill_polarity; + bool is_blocked; + + ath9k_htc_ps_wakeup(priv); + is_blocked = ath9k_hw_gpio_get(priv->ah, priv->ah->rfkill_gpio) == + priv->ah->rfkill_polarity; + ath9k_htc_ps_restore(priv); + + return is_blocked; } void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw) |