diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 17 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 11 |
4 files changed, 28 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 7705da1103f..08688008336 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -521,6 +521,7 @@ struct ath_led { #define SC_OP_WAIT_FOR_PSPOLL_DATA BIT(17) #define SC_OP_WAIT_FOR_TX_ACK BIT(18) #define SC_OP_BEACON_SYNC BIT(19) +#define SC_OP_BTCOEX_ENABLED BIT(20) struct ath_bus_ops { void (*read_cachesize)(struct ath_softc *sc, int *csz); diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 4f3d5ea3481..d81e826b682 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -4073,7 +4073,7 @@ void ath9k_hw_set11nmac2040(struct ath_hw *ah, enum ath9k_ht_macmode mode) /* Bluetooth Coexistence */ /***************************/ -void ath9k_hw_btcoex_enable(struct ath_hw *ah) +void ath9k_hw_btcoex_init(struct ath_hw *ah) { /* connect bt_active to baseband */ REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL, @@ -4090,8 +4090,23 @@ void ath9k_hw_btcoex_enable(struct ath_hw *ah) /* Configure the desired gpio port for input */ ath9k_hw_cfg_gpio_input(ah, ah->btactive_gpio); +} +void ath9k_hw_btcoex_enable(struct ath_hw *ah) +{ /* Configure the desired GPIO port for TX_FRAME output */ ath9k_hw_cfg_output(ah, ah->wlanactive_gpio, AR_GPIO_OUTPUT_MUX_AS_TX_FRAME); + + ah->ah_sc->sc_flags |= SC_OP_BTCOEX_ENABLED; +} + +void ath9k_hw_btcoex_disable(struct ath_hw *ah) +{ + ath9k_hw_set_gpio(ah, ah->wlanactive_gpio, 0); + + ath9k_hw_cfg_output(ah, ah->wlanactive_gpio, + AR_GPIO_OUTPUT_MUX_AS_OUTPUT); + + ah->ah_sc->sc_flags &= ~SC_OP_BTCOEX_ENABLED; } diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index b24150a1b4a..e634cb448ca 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -614,6 +614,8 @@ bool ath9k_hw_intrpend(struct ath_hw *ah); bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked); enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints); +void ath9k_hw_btcoex_init(struct ath_hw *ah); void ath9k_hw_btcoex_enable(struct ath_hw *ah); +void ath9k_hw_btcoex_disable(struct ath_hw *ah); #endif diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index eb8d673cde5..878d3be7c71 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1509,8 +1509,8 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc) ARRAY_SIZE(ath9k_5ghz_chantable); } - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BT_COEX) - ath9k_hw_btcoex_enable(sc->sc_ah); + if (ah->caps.hw_caps & ATH9K_HW_CAP_BT_COEX) + ath9k_hw_btcoex_init(ah); return 0; bad2: @@ -1992,6 +1992,10 @@ static int ath9k_start(struct ieee80211_hw *hw) ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0); + if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BT_COEX) && + !(sc->sc_flags & SC_OP_BTCOEX_ENABLED)) + ath9k_hw_btcoex_enable(sc->sc_ah); + mutex_unlock: mutex_unlock(&sc->mutex); @@ -2138,6 +2142,9 @@ static void ath9k_stop(struct ieee80211_hw *hw) wiphy_rfkill_stop_polling(sc->hw->wiphy); + if (sc->sc_flags & SC_OP_BTCOEX_ENABLED) + ath9k_hw_btcoex_disable(sc->sc_ah); + /* disable HAL and put h/w to sleep */ ath9k_hw_disable(sc->sc_ah); ath9k_hw_configpcipowersave(sc->sc_ah, 1); |