diff options
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/btcoex.c | 290 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/btcoex.h | 61 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 34 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/reg.h | 49 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 9 |
9 files changed, 423 insertions, 27 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 83f2c8fa887..1c68a9da22d 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -523,6 +523,7 @@ struct ath_led { #define SC_OP_WAIT_FOR_TX_ACK BIT(18) #define SC_OP_BEACON_SYNC BIT(19) #define SC_OP_BTCOEX_ENABLED BIT(20) +#define SC_OP_BT_PRIORITY_DETECTED BIT(21) struct ath_bus_ops { void (*read_cachesize)(struct ath_softc *sc, int *csz); @@ -708,4 +709,5 @@ bool ath9k_all_wiphys_idle(struct ath_softc *sc); void ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val); unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset); +int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype); #endif /* ATH9K_H */ diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c index 9f19cd1c1be..8fb35674882 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.c +++ b/drivers/net/wireless/ath/ath9k/btcoex.c @@ -16,34 +16,251 @@ #include "ath9k.h" -void ath9k_hw_btcoex_init(struct ath_hw *ah) +static const struct ath_btcoex_config ath_bt_config = { 0, true, true, + ATH_BT_COEX_MODE_SLOTTED, true, true, 2, 5, true }; + + +/* + * Detects if there is any priority bt traffic + */ +static void ath_detect_bt_priority(struct ath_softc *sc) +{ + struct ath_btcoex_info *btinfo = &sc->btcoex_info; + + if (ath9k_hw_gpio_get(sc->sc_ah, btinfo->btpriority_gpio)) + btinfo->bt_priority_cnt++; + + if (time_after(jiffies, btinfo->bt_priority_time + + msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) { + if (btinfo->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) { + DPRINTF(sc, ATH_DBG_BTCOEX, + "BT priority traffic detected"); + sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED; + } else { + sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED; + } + + btinfo->bt_priority_cnt = 0; + btinfo->bt_priority_time = jiffies; + } +} + +/* + * Configures appropriate weight based on stomp type. + */ +static void ath_btcoex_bt_stomp(struct ath_softc *sc, + struct ath_btcoex_info *btinfo, + int stomp_type) +{ + + switch (stomp_type) { + case ATH_BTCOEX_STOMP_ALL: + ath_btcoex_set_weight(btinfo, AR_BT_COEX_WGHT, + AR_STOMP_ALL_WLAN_WGHT); + break; + case ATH_BTCOEX_STOMP_LOW: + ath_btcoex_set_weight(btinfo, AR_BT_COEX_WGHT, + AR_STOMP_LOW_WLAN_WGHT); + break; + case ATH_BTCOEX_STOMP_NONE: + ath_btcoex_set_weight(btinfo, AR_BT_COEX_WGHT, + AR_STOMP_NONE_WLAN_WGHT); + break; + default: + DPRINTF(sc, ATH_DBG_BTCOEX, "Invalid Stomptype\n"); + break; + } + + ath9k_hw_btcoex_enable(sc->sc_ah); +} + +/* + * This is the master bt coex timer which runs for every + * 45ms, bt traffic will be given priority during 55% of this + * period while wlan gets remaining 45% + */ + +static void ath_btcoex_period_timer(unsigned long data) +{ + struct ath_softc *sc = (struct ath_softc *) data; + struct ath_btcoex_info *btinfo = &sc->btcoex_info; + unsigned long flags; + + ath_detect_bt_priority(sc); + + spin_lock_irqsave(&btinfo->btcoex_lock, flags); + + ath_btcoex_bt_stomp(sc, btinfo, btinfo->bt_stomp_type); + + spin_unlock_irqrestore(&btinfo->btcoex_lock, flags); + + if (btinfo->btcoex_period != btinfo->btcoex_no_stomp) { + if (btinfo->hw_timer_enabled) + ath_gen_timer_stop(sc->sc_ah, btinfo->no_stomp_timer); + + ath_gen_timer_start(sc->sc_ah, + btinfo->no_stomp_timer, + (ath9k_hw_gettsf32(sc->sc_ah) + + btinfo->btcoex_no_stomp), + btinfo->btcoex_no_stomp * 10); + btinfo->hw_timer_enabled = true; + } + + mod_timer(&btinfo->period_timer, jiffies + + msecs_to_jiffies(ATH_BTCOEX_DEF_BT_PERIOD)); +} + +/* + * Generic tsf based hw timer which configures weight + * registers to time slice between wlan and bt traffic + */ + +static void ath_btcoex_no_stomp_timer(void *arg) +{ + struct ath_softc *sc = (struct ath_softc *)arg; + struct ath_btcoex_info *btinfo = &sc->btcoex_info; + unsigned long flags; + + DPRINTF(sc, ATH_DBG_BTCOEX, "no stomp timer running \n"); + + spin_lock_irqsave(&btinfo->btcoex_lock, flags); + + if (btinfo->bt_stomp_type == ATH_BTCOEX_STOMP_LOW) + ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_NONE); + else if (btinfo->bt_stomp_type == ATH_BTCOEX_STOMP_ALL) + ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_LOW); + + spin_unlock_irqrestore(&btinfo->btcoex_lock, flags); +} + +static int ath_init_btcoex_info(struct ath_hw *hw, + struct ath_btcoex_info *btcoex_info) +{ + u32 i; + int qnum; + + qnum = ath_tx_get_qnum(hw->ah_sc, ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE); + + btcoex_info->bt_coex_mode = + (btcoex_info->bt_coex_mode & AR_BT_QCU_THRESH) | + SM(ath_bt_config.bt_time_extend, AR_BT_TIME_EXTEND) | + SM(ath_bt_config.bt_txstate_extend, AR_BT_TXSTATE_EXTEND) | + SM(ath_bt_config.bt_txframe_extend, AR_BT_TX_FRAME_EXTEND) | + SM(ath_bt_config.bt_mode, AR_BT_MODE) | + SM(ath_bt_config.bt_quiet_collision, AR_BT_QUIET) | + SM(ath_bt_config.bt_rxclear_polarity, AR_BT_RX_CLEAR_POLARITY) | + SM(ath_bt_config.bt_priority_time, AR_BT_PRIORITY_TIME) | + SM(ath_bt_config.bt_first_slot_time, AR_BT_FIRST_SLOT_TIME) | + SM(qnum, AR_BT_QCU_THRESH); + + btcoex_info->bt_coex_mode2 = + SM(ath_bt_config.bt_hold_rx_clear, AR_BT_HOLD_RX_CLEAR) | + SM(ATH_BTCOEX_BMISS_THRESH, AR_BT_BCN_MISS_THRESH) | + AR_BT_DISABLE_BT_ANT; + + btcoex_info->bt_stomp_type = ATH_BTCOEX_STOMP_LOW; + + btcoex_info->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000; + + btcoex_info->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * + btcoex_info->btcoex_period / 100; + + for (i = 0; i < 32; i++) + hw->hw_gen_timers.gen_timer_index[(debruijn32 << i) >> 27] = i; + + setup_timer(&btcoex_info->period_timer, ath_btcoex_period_timer, + (unsigned long) hw->ah_sc); + + btcoex_info->no_stomp_timer = ath_gen_timer_alloc(hw, + ath_btcoex_no_stomp_timer, + ath_btcoex_no_stomp_timer, + (void *)hw->ah_sc, AR_FIRST_NDP_TIMER); + + if (btcoex_info->no_stomp_timer == NULL) + return -ENOMEM; + + spin_lock_init(&btcoex_info->btcoex_lock); + + return 0; +} + +int ath9k_hw_btcoex_init(struct ath_hw *ah) { struct ath_btcoex_info *btcoex_info = &ah->ah_sc->btcoex_info; + int ret = 0; + + if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_2WIRE) { + /* 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, + btcoex_info->btactive_gpio); - /* 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)); + /* Configure the desired gpio port for input */ + ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio); + } else { + /* btcoex 3-wire */ + REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, + (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB | + AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB)); - REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, - AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB); + /* Set input mux for bt_prority_async and + * bt_active_async to GPIO pins */ + REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, + AR_GPIO_INPUT_MUX1_BT_ACTIVE, + btcoex_info->btactive_gpio); - /* Set input mux for bt_active to gpio pin */ - REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, - AR_GPIO_INPUT_MUX1_BT_ACTIVE, - btcoex_info->btactive_gpio); + REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, + AR_GPIO_INPUT_MUX1_BT_PRIORITY, + btcoex_info->btpriority_gpio); - /* Configure the desired gpio port for input */ - ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio); + /* Configure the desired GPIO ports for input */ + + ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio); + ath9k_hw_cfg_gpio_input(ah, btcoex_info->btpriority_gpio); + + ret = ath_init_btcoex_info(ah, btcoex_info); + } + + return ret; } void ath9k_hw_btcoex_enable(struct ath_hw *ah) { struct ath_btcoex_info *btcoex_info = &ah->ah_sc->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); + 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); + } + + REG_RMW(ah, AR_GPIO_PDPU, + (0x2 << (btcoex_info->btactive_gpio * 2)), + (0x3 << (btcoex_info->btactive_gpio * 2))); ah->ah_sc->sc_flags |= SC_OP_BTCOEX_ENABLED; } @@ -57,5 +274,46 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah) ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio, AR_GPIO_OUTPUT_MUX_AS_OUTPUT); + if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_3WIRE) { + REG_WRITE(ah, AR_BT_COEX_MODE, AR_BT_QUIET | AR_BT_MODE); + REG_WRITE(ah, AR_BT_COEX_WEIGHT, 0); + REG_WRITE(ah, AR_BT_COEX_MODE2, 0); + } + ah->ah_sc->sc_flags &= ~SC_OP_BTCOEX_ENABLED; } + +/* + * Pause btcoex timer and bt duty cycle timer + */ +void ath_btcoex_timer_pause(struct ath_softc *sc, + struct ath_btcoex_info *btinfo) +{ + + del_timer_sync(&btinfo->period_timer); + + if (btinfo->hw_timer_enabled) + ath_gen_timer_stop(sc->sc_ah, btinfo->no_stomp_timer); + + btinfo->hw_timer_enabled = false; +} + +/* + * (Re)start btcoex timers + */ +void ath_btcoex_timer_resume(struct ath_softc *sc, + struct ath_btcoex_info *btinfo) +{ + + DPRINTF(sc, ATH_DBG_BTCOEX, "Starting btcoex timers"); + + /* make sure duty cycle timer is also stopped when resuming */ + if (btinfo->hw_timer_enabled) + ath_gen_timer_stop(sc->sc_ah, btinfo->no_stomp_timer); + + btinfo->bt_priority_cnt = 0; + btinfo->bt_priority_time = jiffies; + sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED; + + mod_timer(&btinfo->period_timer, jiffies); +} diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h index cdfa80d0eb4..45568196c59 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.h +++ b/drivers/net/wireless/ath/ath9k/btcoex.h @@ -20,20 +20,79 @@ #define ATH_WLANACTIVE_GPIO 5 #define ATH_BTACTIVE_GPIO 6 +#define ATH_BTCOEX_DEF_BT_PERIOD 45 +#define ATH_BTCOEX_DEF_DUTY_CYCLE 55 +#define ATH_BTCOEX_BMISS_THRESH 50 + +#define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */ +#define ATH_BT_CNT_THRESHOLD 3 + enum ath_btcoex_scheme { ATH_BTCOEX_CFG_NONE, ATH_BTCOEX_CFG_2WIRE, ATH_BTCOEX_CFG_3WIRE, }; +enum ath_stomp_type { + ATH_BTCOEX_NO_STOMP, + ATH_BTCOEX_STOMP_ALL, + ATH_BTCOEX_STOMP_LOW, + ATH_BTCOEX_STOMP_NONE +}; + +enum ath_bt_mode { + ATH_BT_COEX_MODE_LEGACY, /* legacy rx_clear mode */ + ATH_BT_COEX_MODE_UNSLOTTED, /* untimed/unslotted mode */ + ATH_BT_COEX_MODE_SLOTTED, /* slotted mode */ + ATH_BT_COEX_MODE_DISALBED, /* coexistence disabled */ +}; + +struct ath_btcoex_config { + u8 bt_time_extend; + bool bt_txstate_extend; + bool bt_txframe_extend; + enum ath_bt_mode bt_mode; /* coexistence mode */ + bool bt_quiet_collision; + bool bt_rxclear_polarity; /* invert rx_clear as WLAN_ACTIVE*/ + u8 bt_priority_time; + u8 bt_first_slot_time; + bool bt_hold_rx_clear; +}; + struct ath_btcoex_info { enum ath_btcoex_scheme btcoex_scheme; u8 wlanactive_gpio; u8 btactive_gpio; + u8 btpriority_gpio; + u8 bt_duty_cycle; /* BT duty cycle in percentage */ + int bt_stomp_type; /* Types of BT stomping */ + u32 bt_coex_mode; /* Register setting for AR_BT_COEX_MODE */ + u32 bt_coex_weights; /* Register setting for AR_BT_COEX_WEIGHT */ + u32 bt_coex_mode2; /* Register setting for AR_BT_COEX_MODE2 */ + u32 btcoex_no_stomp; /* in usec */ + u32 btcoex_period; /* in usec */ + u32 bt_priority_cnt; + unsigned long bt_priority_time; + bool hw_timer_enabled; + spinlock_t btcoex_lock; + struct timer_list period_timer; /* Timer for BT period */ + struct ath_gen_timer *no_stomp_timer; /*Timer for no BT stomping*/ }; -void ath9k_hw_btcoex_init(struct ath_hw *ah); +int 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); +void ath_btcoex_timer_resume(struct ath_softc *sc, + struct ath_btcoex_info *btinfo); +void ath_btcoex_timer_pause(struct ath_softc *sc, + struct ath_btcoex_info *btinfo); + +static inline void ath_btcoex_set_weight(struct ath_btcoex_info *btcoex_info, + u32 bt_weight, + u32 wlan_weight) +{ + btcoex_info->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) | + SM(wlan_weight, AR_BTCOEX_WL_WGHT); +} #endif diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h index ea0dd1ec15c..7241f474833 100644 --- a/drivers/net/wireless/ath/ath9k/debug.h +++ b/drivers/net/wireless/ath/ath9k/debug.h @@ -31,6 +31,7 @@ enum ATH_DEBUG { ATH_DBG_FATAL = 0x00000400, ATH_DBG_PS = 0x00000800, ATH_DBG_HWTIMER = 0x00001000, + ATH_DBG_BTCOEX = 0x00002000, ATH_DBG_ANY = 0xffffffff }; diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 3afd7a9fc8a..e340dacc6eb 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -4141,7 +4141,7 @@ static u32 rightmost_index(struct ath_gen_timer_table *timer_table, u32 *mask) return timer_table->gen_timer_index[b]; } -static u32 ath9k_hw_gettsf32(struct ath_hw *ah) +u32 ath9k_hw_gettsf32(struct ath_hw *ah) { return REG_READ(ah, AR_TSF_L32); } diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 052a9c4ebb9..5ca6ffa7091 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -79,6 +79,7 @@ #define AR_GPIO_OUTPUT_MUX_AS_PCIE_ATTENTION_LED 1 #define AR_GPIO_OUTPUT_MUX_AS_PCIE_POWER_LED 2 #define AR_GPIO_OUTPUT_MUX_AS_TX_FRAME 3 +#define AR_GPIO_OUTPUT_MUX_AS_RX_CLEAR_EXTERNAL 4 #define AR_GPIO_OUTPUT_MUX_AS_MAC_NETWORK_LED 5 #define AR_GPIO_OUTPUT_MUX_AS_MAC_POWER_LED 6 @@ -662,5 +663,6 @@ void ath_gen_timer_start(struct ath_hw *ah, struct ath_gen_timer *timer, void ath_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer); void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer); void ath_gen_timer_isr(struct ath_hw *hw); +u32 ath9k_hw_gettsf32(struct ath_hw *ah); #endif diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 215c67251f7..4fae699a53c 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -602,6 +602,10 @@ irqreturn_t ath_isr(int irq, void *dev) sc->sc_flags |= SC_OP_WAIT_FOR_BEACON; } + if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE) + if (status & ATH9K_INT_GENTIMER) + ath_gen_timer_isr(ah); + chip_reset: ath_debug_stat_interrupt(sc, status); @@ -1279,6 +1283,10 @@ void ath_detach(struct ath_softc *sc) if (ATH_TXQ_SETUP(sc, i)) ath_tx_cleanupq(sc, &sc->tx.txq[i]); + if ((sc->btcoex_info.no_stomp_timer) && + sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE) + ath_gen_timer_free(sc->sc_ah, sc->btcoex_info.no_stomp_timer); + ath9k_hw_detach(sc->sc_ah); sc->sc_ah = NULL; ath9k_exit_debug(sc); @@ -1509,8 +1517,11 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc) ARRAY_SIZE(ath9k_5ghz_chantable); } - if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_2WIRE) - ath9k_hw_btcoex_init(ah); + if (sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) { + r = ath9k_hw_btcoex_init(ah); + if (r) + goto bad2; + } return 0; bad2: @@ -1992,10 +2003,16 @@ static int ath9k_start(struct ieee80211_hw *hw) ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0); - if ((sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_2WIRE) && - !(sc->sc_flags & SC_OP_BTCOEX_ENABLED)) + if ((sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) && + !(sc->sc_flags & SC_OP_BTCOEX_ENABLED)) { + ath_btcoex_set_weight(&sc->btcoex_info, AR_BT_COEX_WGHT, + AR_STOMP_LOW_WLAN_WGHT); ath9k_hw_btcoex_enable(sc->sc_ah); + if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE) + ath_btcoex_timer_resume(sc, &sc->btcoex_info); + } + mutex_unlock: mutex_unlock(&sc->mutex); @@ -2129,6 +2146,12 @@ static void ath9k_stop(struct ieee80211_hw *hw) return; /* another wiphy still in use */ } + if (sc->sc_flags & SC_OP_BTCOEX_ENABLED) { + ath9k_hw_btcoex_disable(sc->sc_ah); + if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE) + ath_btcoex_timer_pause(sc, &sc->btcoex_info); + } + /* make sure h/w will not generate any interrupt * before setting the invalid flag. */ ath9k_hw_set_interrupts(sc->sc_ah, 0); @@ -2142,9 +2165,6 @@ 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); diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h index 1d8e0a8b587..3ddb243f000 100644 --- a/drivers/net/wireless/ath/ath9k/reg.h +++ b/drivers/net/wireless/ath/ath9k/reg.h @@ -970,6 +970,8 @@ enum { #define AR_GPIO_INPUT_EN_VAL_RFSILENT_DEF_S 7 #define AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB 0x00001000 #define AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB_S 12 +#define AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB 0x00001000 +#define AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB_S 1 #define AR_GPIO_INPUT_EN_VAL_RFSILENT_BB 0x00008000 #define AR_GPIO_INPUT_EN_VAL_RFSILENT_BB_S 15 #define AR_GPIO_RTC_RESET_OVERRIDE_ENABLE 0x00010000 @@ -978,6 +980,8 @@ enum { #define AR_GPIO_INPUT_MUX1 0x4058 #define AR_GPIO_INPUT_MUX1_BT_ACTIVE 0x000f0000 #define AR_GPIO_INPUT_MUX1_BT_ACTIVE_S 16 +#define AR_GPIO_INPUT_MUX1_BT_PRIORITY 0x00000f00 +#define AR_GPIO_INPUT_MUX1_BT_PRIORITY_S 8 #define AR_GPIO_INPUT_MUX2 0x405c #define AR_GPIO_INPUT_MUX2_CLK25 0x0000000f @@ -1003,6 +1007,8 @@ enum { #define AR_OBS 0x4080 +#define AR_GPIO_PDPU 0x4088 + #define AR_PCIE_MSI 0x4094 #define AR_PCIE_MSI_ENABLE 0x00000001 @@ -1436,6 +1442,7 @@ enum { #define AR_QUIET1_NEXT_QUIET_M 0x0000ffff #define AR_QUIET1_QUIET_ENABLE 0x00010000 #define AR_QUIET1_QUIET_ACK_CTS_ENABLE 0x00020000 +#define AR_QUIET1_QUIET_ACK_CTS_ENABLE_S 17 #define AR_QUIET2 0x8100 #define AR_QUIET2_QUIET_PERIOD_S 0 #define AR_QUIET2_QUIET_PERIOD_M 0x0000ffff @@ -1481,6 +1488,8 @@ enum { #define AR_PCU_CLEAR_VMF 0x01000000 #define AR_PCU_CLEAR_BA_VALID 0x04000000 +#define AR_PCU_BT_ANT_PREVENT_RX 0x00100000 +#define AR_PCU_BT_ANT_PREVENT_RX_S 20 #define AR_FILT_OFDM 0x8124 #define AR_FILT_OFDM_COUNT 0x00FFFFFF @@ -1508,6 +1517,46 @@ enum { #define AR_PHY_ERR_3_COUNT 0x00FFFFFF #define AR_PHY_ERR_MASK_3 0x816c +#define AR_BT_COEX_MODE 0x8170 +#define AR_BT_TIME_EXTEND 0x000000ff +#define AR_BT_TIME_EXTEND_S 0 +#define AR_BT_TXSTATE_EXTEND 0x00000100 +#define AR_BT_TXSTATE_EXTEND_S 8 +#define AR_BT_TX_FRAME_EXTEND 0x00000200 +#define AR_BT_TX_FRAME_EXTEND_S 9 +#define AR_BT_MODE 0x00000c00 +#define AR_BT_MODE_S 10 +#define AR_BT_QUIET 0x00001000 +#define AR_BT_QUIET_S 12 +#define AR_BT_QCU_THRESH 0x0001e000 +#define AR_BT_QCU_THRESH_S 13 +#define AR_BT_RX_CLEAR_POLARITY 0x00020000 +#define AR_BT_RX_CLEAR_POLARITY_S 17 +#define AR_BT_PRIORITY_TIME 0x00fc0000 +#define AR_BT_PRIORITY_TIME_S 18 +#define AR_BT_FIRST_SLOT_TIME 0xff000000 +#define AR_BT_FIRST_SLOT_TIME_S 24 + +#define AR_BT_COEX_WEIGHT 0x8174 +#define AR_BT_COEX_WGHT 0xff55 +#define AR_STOMP_ALL_WLAN_WGHT 0xffcc +#define AR_STOMP_LOW_WLAN_WGHT 0xaaa8 +#define AR_STOMP_NONE_WLAN_WGHT 0xaa00 +#define AR_BTCOEX_BT_WGHT 0x0000ffff +#define AR_BTCOEX_BT_WGHT_S 0 +#define AR_BTCOEX_WL_WGHT 0xffff0000 +#define AR_BTCOEX_WL_WGHT_S 16 + +#define AR_BT_COEX_MODE2 0x817c +#define AR_BT_BCN_MISS_THRESH 0x000000ff +#define AR_BT_BCN_MISS_THRESH_S 0 +#define AR_BT_BCN_MISS_CNT 0x0000ff00 +#define AR_BT_BCN_MISS_CNT_S 8 +#define AR_BT_HOLD_RX_CLEAR 0x00010000 +#define AR_BT_HOLD_RX_CLEAR_S 16 +#define AR_BT_DISABLE_BT_ANT 0x00100000 +#define AR_BT_DISABLE_BT_ANT_S 20 + #define AR_TXSIFS 0x81d0 #define AR_TXSIFS_TIME 0x000000FF #define AR_TXSIFS_TX_LATENCY 0x00000F00 diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 87762da0383..42551a48c8a 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -493,7 +493,12 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf, if (tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE || legacy) return 0; - aggr_limit = min(max_4ms_framelen, (u32)ATH_AMPDU_LIMIT_MAX); + if (sc->sc_flags & SC_OP_BT_PRIORITY_DETECTED) + aggr_limit = min((max_4ms_framelen * 3) / 8, + (u32)ATH_AMPDU_LIMIT_MAX); + else + aggr_limit = min(max_4ms_framelen, + (u32)ATH_AMPDU_LIMIT_MAX); /* * h/w can accept aggregates upto 16 bit lengths (65535). @@ -872,7 +877,7 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype) return &sc->tx.txq[qnum]; } -static int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype) +int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype) { int qnum; |