diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/Kconfig | 8 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_mci.c | 54 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/btcoex.c | 25 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/gpio.c | 9 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_gpio.c | 9 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_init.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_main.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 3 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.h | 14 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/init.c | 6 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 13 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/mci.c | 9 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/pci.c | 2 |
13 files changed, 145 insertions, 17 deletions
diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig index 1b4786ae00ac..dc6be4afe8eb 100644 --- a/drivers/net/wireless/ath/ath9k/Kconfig +++ b/drivers/net/wireless/ath/ath9k/Kconfig @@ -81,6 +81,14 @@ config ATH9K_RATE_CONTROL Say Y, if you want to use the ath9k specific rate control module instead of minstrel_ht. +config ATH9K_BTCOEX_SUPPORT + bool "Atheros ath9k bluetooth coexistence support" + depends on ATH9K + default y + ---help--- + Say Y, if you want to use the ath9k radios together with + Bluetooth modules in the same system. + config ATH9K_HTC tristate "Atheros HTC based wireless cards support" depends on USB && MAC80211 diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index fdd0f815cf83..709520c6835b 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -85,6 +85,9 @@ void ar9003_mci_remote_reset(struct ath_hw *ah, bool wait_done) { u32 payload[4] = { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffff00}; + if (!ATH9K_HW_CAP_MCI) + return; + ar9003_mci_send_message(ah, MCI_REMOTE_RESET, 0, payload, 16, wait_done, false); udelay(5); @@ -94,6 +97,9 @@ void ar9003_mci_send_lna_transfer(struct ath_hw *ah, bool wait_done) { u32 payload = 0x00000000; + if (!ATH9K_HW_CAP_MCI) + return; + ar9003_mci_send_message(ah, MCI_LNA_TRANS, 0, &payload, 1, wait_done, false); } @@ -107,6 +113,9 @@ static void ar9003_mci_send_req_wake(struct ath_hw *ah, bool wait_done) void ar9003_mci_send_sys_waking(struct ath_hw *ah, bool wait_done) { + if (!ATH9K_HW_CAP_MCI) + return; + ar9003_mci_send_message(ah, MCI_SYS_WAKING, MCI_FLAG_DISABLE_TIMESTAMP, NULL, 0, wait_done, false); } @@ -220,6 +229,9 @@ void ar9003_mci_send_coex_halt_bt_gpm(struct ath_hw *ah, bool halt, struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; u32 payload[4] = {0, 0, 0, 0}; + if (!ATH9K_HW_CAP_MCI) + return; + ath_dbg(common, MCI, "MCI Send Coex %s BT GPM\n", (halt) ? "halt" : "unhalt"); @@ -374,12 +386,17 @@ static void ar9003_mci_prep_interface(struct ath_hw *ah) void ar9003_mci_disable_interrupt(struct ath_hw *ah) { + if (!ATH9K_HW_CAP_MCI) + return; + REG_WRITE(ah, AR_MCI_INTERRUPT_EN, 0); REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, 0); } void ar9003_mci_enable_interrupt(struct ath_hw *ah) { + if (!ATH9K_HW_CAP_MCI) + return; REG_WRITE(ah, AR_MCI_INTERRUPT_EN, AR_MCI_INTERRUPT_DEFAULT); REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, @@ -390,6 +407,9 @@ bool ar9003_mci_check_int(struct ath_hw *ah, u32 ints) { u32 intr; + if (!ATH9K_HW_CAP_MCI) + return false; + intr = REG_READ(ah, AR_MCI_INTERRUPT_RX_MSG_RAW); return ((intr & ints) == ints); } @@ -398,6 +418,10 @@ void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr, u32 *rx_msg_intr) { struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; + + if (!ATH9K_HW_CAP_MCI) + return; + *raw_intr = mci->raw_intr; *rx_msg_intr = mci->rx_msg_intr; @@ -411,6 +435,9 @@ void ar9003_mci_2g5g_changed(struct ath_hw *ah, bool is_2g) { struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; + if (!ATH9K_HW_CAP_MCI) + return; + if (!mci->update_2g5g && (mci->is_2g != is_2g)) mci->update_2g5g = true; @@ -524,6 +551,9 @@ void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g, struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; u32 regval, thresh; + if (!ATH9K_HW_CAP_MCI) + return; + ath_dbg(common, MCI, "MCI full_sleep = %d, is_2g = %d\n", is_full_sleep, is_2g); @@ -650,6 +680,9 @@ void ar9003_mci_mute_bt(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); + if (!ATH9K_HW_CAP_MCI) + return; + /* disable all MCI messages */ REG_WRITE(ah, AR_MCI_MSG_ATTRIBUTES_TABLE, 0xffff0000); REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS0, 0xffffffff); @@ -682,6 +715,9 @@ void ar9003_mci_sync_bt_state(struct ath_hw *ah) struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; u32 cur_bt_state; + if (!ATH9K_HW_CAP_MCI) + return; + cur_bt_state = ar9003_mci_state(ah, MCI_STATE_REMOTE_SLEEP, NULL); if (mci->bt_state != cur_bt_state) { @@ -844,6 +880,9 @@ void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool wait_done) struct ath_common *common = ath9k_hw_common(ah); struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; + if (!ATH9K_HW_CAP_MCI) + return; + if (mci->update_2g5g) { if (mci->is_2g) { @@ -895,6 +934,9 @@ bool ar9003_mci_send_message(struct ath_hw *ah, u8 header, u32 flag, u32 saved_mci_int_en; int i; + if (!ATH9K_HW_CAP_MCI) + return false; + saved_mci_int_en = REG_READ(ah, AR_MCI_INTERRUPT_EN); regval = REG_READ(ah, AR_BTCOEX_CTRL); @@ -961,6 +1003,9 @@ void ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf, struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; void *sched_buf = (void *)((char *) gpm_buf + (sched_addr - gpm_addr)); + if (!ATH9K_HW_CAP_MCI) + return; + mci->gpm_addr = gpm_addr; mci->gpm_buf = gpm_buf; mci->gpm_len = len; @@ -975,6 +1020,9 @@ void ar9003_mci_cleanup(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); + if (!ATH9K_HW_CAP_MCI) + return; + /* Turn off MCI and Jupiter mode. */ REG_WRITE(ah, AR_BTCOEX_CTRL, 0x00); ath_dbg(common, MCI, "MCI ar9003_mci_cleanup\n"); @@ -1039,6 +1087,9 @@ u32 ar9003_mci_wait_for_gpm(struct ath_hw *ah, u8 gpm_type, u8 recv_type = 0, recv_opcode = 0; bool b_is_bt_cal_done = (gpm_type == MCI_GPM_BT_CAL_DONE); + if (!ATH9K_HW_CAP_MCI) + return 0; + more_data = time_out ? MCI_GPM_NOMORE : MCI_GPM_MORE; while (time_out > 0) { @@ -1168,6 +1219,9 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data) u32 value = 0, more_gpm = 0, gpm_ptr; u8 query_type; + if (!ATH9K_HW_CAP_MCI) + return 0; + switch (state_type) { case MCI_STATE_ENABLE: if (mci->ready) { diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c index 553d279cc5ee..a6712a95d76a 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.c +++ b/drivers/net/wireless/ath/ath9k/btcoex.c @@ -68,6 +68,9 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum) u32 i, idx; bool rxclear_polarity = ath_bt_config.bt_rxclear_polarity; + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) + return; + if (AR_SREV_9300_20_OR_LATER(ah)) rxclear_polarity = !ath_bt_config.bt_rxclear_polarity; @@ -99,6 +102,9 @@ void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah) { struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) + return; + /* connect bt_active to baseband */ REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL, (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_DEF | @@ -121,6 +127,9 @@ void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah) { struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) + return; + /* btcoex 3-wire */ REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB | @@ -147,6 +156,9 @@ static void ath9k_hw_btcoex_enable_2wire(struct ath_hw *ah) { struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) + return; + /* Configure the desired GPIO port for TX_FRAME output */ ath9k_hw_cfg_output(ah, btcoex_hw->wlanactive_gpio, AR_GPIO_OUTPUT_MUX_AS_TX_FRAME); @@ -158,6 +170,9 @@ void ath9k_hw_btcoex_set_weight(struct ath_hw *ah, { struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) + return; + btcoex_hw->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) | SM(wlan_weight, AR_BTCOEX_WL_WGHT); } @@ -219,9 +234,9 @@ void ath9k_hw_btcoex_enable(struct ath_hw *ah) { struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; - switch (btcoex_hw->scheme) { + switch (ath9k_hw_get_btcoex_scheme(ah)) { case ATH_BTCOEX_CFG_NONE: - break; + return; case ATH_BTCOEX_CFG_2WIRE: ath9k_hw_btcoex_enable_2wire(ah); break; @@ -246,6 +261,9 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah) struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; int i; + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) + return; + btcoex_hw->enabled = false; if (btcoex_hw->scheme == ATH_BTCOEX_CFG_MCI) { ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE); @@ -294,6 +312,9 @@ static void ar9003_btcoex_bt_stomp(struct ath_hw *ah, void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah, enum ath_stomp_type stomp_type) { + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) + return; + if (AR_SREV_9300_20_OR_LATER(ah)) { ar9003_btcoex_bt_stomp(ah, stomp_type); return; diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c index 7834d70a190d..597c84e31adb 100644 --- a/drivers/net/wireless/ath/ath9k/gpio.c +++ b/drivers/net/wireless/ath/ath9k/gpio.c @@ -249,6 +249,9 @@ int ath_init_btcoex_timer(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; + if (ath9k_hw_get_btcoex_scheme(sc->sc_ah) == ATH_BTCOEX_CFG_NONE) + return 0; + btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000; btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * btcoex->btcoex_period / 100; @@ -281,6 +284,9 @@ void ath9k_btcoex_timer_resume(struct ath_softc *sc) ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex timers\n"); + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) + return; + /* make sure duty cycle timer is also stopped when resuming */ if (btcoex->hw_timer_enabled) ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer); @@ -301,6 +307,9 @@ void ath9k_btcoex_timer_pause(struct ath_softc *sc) struct ath_btcoex *btcoex = &sc->btcoex; struct ath_hw *ah = sc->sc_ah; + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) + return; + del_timer_sync(&btcoex->period_timer); if (btcoex->hw_timer_enabled) diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c index b7c030018403..6506e1fd5036 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c @@ -115,6 +115,9 @@ 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; @@ -133,6 +136,9 @@ 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; @@ -147,6 +153,9 @@ void ath_htc_resume_btcoex_work(struct ath9k_htc_priv *priv) */ 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); } diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index 6cbad73f9f2a..9be10a2da1c2 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -607,7 +607,7 @@ static void ath9k_init_btcoex(struct ath9k_htc_priv *priv) { int qnum; - switch (priv->ah->btcoex_hw.scheme) { + switch (ath9k_hw_get_btcoex_scheme(priv->ah)) { case ATH_BTCOEX_CFG_NONE: break; case ATH_BTCOEX_CFG_3WIRE: @@ -701,7 +701,8 @@ static int ath9k_init_priv(struct ath9k_htc_priv *priv, if (product && strncmp(product, ATH_HTC_BTCOEX_PRODUCT_ID, 5) == 0) { ah->btcoex_hw.scheme = ATH_BTCOEX_CFG_3WIRE; - ath9k_init_btcoex(priv); + if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) + ath9k_init_btcoex(priv); } return 0; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 539f4455076e..ef4c60661290 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -957,7 +957,7 @@ static int ath9k_htc_start(struct ieee80211_hw *hw) mod_timer(&priv->tx.cleanup_timer, jiffies + msecs_to_jiffies(ATH9K_HTC_TX_CLEANUP_INTERVAL)); - if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) { + 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); @@ -1009,7 +1009,8 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw) mutex_lock(&priv->mutex); - if (ah->btcoex_hw.enabled) { + 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); diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 0fde03104ef0..ee7759575050 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1891,7 +1891,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, #endif } - if (ah->btcoex_hw.enabled) + if (ah->btcoex_hw.enabled && + ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) ath9k_hw_btcoex_enable(ah); if (mci && mci_hw->ready) { diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 615cc839f0de..48205c2960b5 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -209,7 +209,11 @@ enum ath9k_hw_caps { ATH9K_HW_CAP_5GHZ = BIT(12), ATH9K_HW_CAP_APM = BIT(13), ATH9K_HW_CAP_RTT = BIT(14), +#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT ATH9K_HW_CAP_MCI = BIT(15), +#else + ATH9K_HW_CAP_MCI = 0, +#endif ATH9K_HW_CAP_DFS = BIT(16), }; @@ -1228,6 +1232,16 @@ void ar9003_mci_sync_bt_state(struct ath_hw *ah); void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr, u32 *rx_msg_intr); +#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT +static inline enum ath_btcoex_scheme +ath9k_hw_get_btcoex_scheme(struct ath_hw *ah) +{ + return ah->btcoex_hw.scheme; +} +#else +#define ath9k_hw_get_btcoex_scheme(...) ATH_BTCOEX_CFG_NONE +#endif + #define ATH9K_CLOCK_RATE_CCK 22 #define ATH9K_CLOCK_RATE_5GHZ_OFDM 40 #define ATH9K_CLOCK_RATE_2GHZ_OFDM 44 diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 58ce67f976f9..abf943557dee 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -425,7 +425,7 @@ static int ath9k_init_btcoex(struct ath_softc *sc) struct ath_hw *ah = sc->sc_ah; int r; - switch (sc->sc_ah->btcoex_hw.scheme) { + switch (ath9k_hw_get_btcoex_scheme(sc->sc_ah)) { case ATH_BTCOEX_CFG_NONE: break; case ATH_BTCOEX_CFG_2WIRE: @@ -880,10 +880,10 @@ static void ath9k_deinit_softc(struct ath_softc *sc) kfree(sc->sbands[IEEE80211_BAND_5GHZ].channels); if ((sc->btcoex.no_stomp_timer) && - sc->sc_ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) + ath9k_hw_get_btcoex_scheme(sc->sc_ah) == ATH_BTCOEX_CFG_3WIRE) ath_gen_timer_free(sc->sc_ah, sc->btcoex.no_stomp_timer); - if (sc->sc_ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_MCI) + if (ath9k_hw_get_btcoex_scheme(sc->sc_ah) == ATH_BTCOEX_CFG_MCI) ath_mci_cleanup(sc); for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index eb06e4fdf5b2..6e3d8384e081 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -741,11 +741,11 @@ void ath9k_tasklet(unsigned long data) ath_tx_tasklet(sc); } - if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) if (status & ATH9K_INT_GENTIMER) ath_gen_timer_isr(sc->sc_ah); - if (status & ATH9K_INT_MCI) + if ((status & ATH9K_INT_MCI) && ATH9K_HW_CAP_MCI) ath_mci_intr(sc); out: @@ -1081,14 +1081,14 @@ static int ath9k_start(struct ieee80211_hw *hw) spin_unlock_bh(&sc->sc_pcu_lock); - if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) && + if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) && !ah->btcoex_hw.enabled) { if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, AR_STOMP_LOW_WLAN_WGHT); ath9k_hw_btcoex_enable(ah); - if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) ath9k_btcoex_timer_resume(sc); } @@ -1191,9 +1191,10 @@ static void ath9k_stop(struct ieee80211_hw *hw) /* Ensure HW is awake when we try to shut it down. */ ath9k_ps_wakeup(sc); - if (ah->btcoex_hw.enabled) { + 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) + if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) ath9k_btcoex_timer_pause(sc); ath_mci_flush_profile(&sc->btcoex.mci); } diff --git a/drivers/net/wireless/ath/ath9k/mci.c b/drivers/net/wireless/ath/ath9k/mci.c index ca9b53cc4001..fee8c6f0b251 100644 --- a/drivers/net/wireless/ath/ath9k/mci.c +++ b/drivers/net/wireless/ath/ath9k/mci.c @@ -417,6 +417,9 @@ int ath_mci_setup(struct ath_softc *sc) struct ath_mci_coex *mci = &sc->mci_coex; int error = 0; + if (!ATH9K_HW_CAP_MCI) + return 0; + mci->sched_buf.bf_len = ATH_MCI_SCHED_BUF_SIZE + ATH_MCI_GPM_BUF_SIZE; if (ath_mci_buf_alloc(sc, &mci->sched_buf)) { @@ -450,6 +453,9 @@ void ath_mci_cleanup(struct ath_softc *sc) struct ath_hw *ah = sc->sc_ah; struct ath_mci_coex *mci = &sc->mci_coex; + if (!ATH9K_HW_CAP_MCI) + return; + /* * both schedule and gpm buffers will be released */ @@ -468,6 +474,9 @@ void ath_mci_intr(struct ath_softc *sc) u32 more_data = MCI_GPM_MORE; bool skip_gpm = false; + if (!ATH9K_HW_CAP_MCI) + return; + ar9003_mci_get_interrupt(sc->sc_ah, &mci_int, &mci_int_rxmsg); if (ar9003_mci_state(ah, MCI_STATE_ENABLE, NULL) == 0) { diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index a439edc5dc06..77dc327def8d 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -121,7 +121,7 @@ static void ath_pci_aspm_init(struct ath_common *common) if (!parent) return; - if (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) { + if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) { /* Bluetooth coexistance requires disabling ASPM. */ pci_read_config_byte(pdev, pos + PCI_EXP_LNKCTL, &aspm); aspm &= ~(PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1); |