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path: root/drivers/net/wireless/ath/ath9k/gpio.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/gpio.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/gpio.c69
1 files changed, 51 insertions, 18 deletions
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index 281a9af0f1b..bacdb8fb4ef 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -132,17 +132,18 @@ static void ath_detect_bt_priority(struct ath_softc *sc)
if (time_after(jiffies, btcoex->bt_priority_time +
msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
- sc->sc_flags &= ~(SC_OP_BT_PRIORITY_DETECTED | SC_OP_BT_SCAN);
+ clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);
+ clear_bit(BT_OP_SCAN, &btcoex->op_flags);
/* Detect if colocated bt started scanning */
if (btcoex->bt_priority_cnt >= ATH_BT_CNT_SCAN_THRESHOLD) {
ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX,
"BT scan detected\n");
- sc->sc_flags |= (SC_OP_BT_SCAN |
- SC_OP_BT_PRIORITY_DETECTED);
+ set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);
+ set_bit(BT_OP_SCAN, &btcoex->op_flags);
} else if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX,
"BT priority traffic detected\n");
- sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED;
+ set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);
}
btcoex->bt_priority_cnt = 0;
@@ -190,13 +191,34 @@ static void ath_btcoex_period_timer(unsigned long data)
struct ath_softc *sc = (struct ath_softc *) data;
struct ath_hw *ah = sc->sc_ah;
struct ath_btcoex *btcoex = &sc->btcoex;
+ struct ath_mci_profile *mci = &btcoex->mci;
u32 timer_period;
bool is_btscan;
+ unsigned long flags;
+
+ spin_lock_irqsave(&sc->sc_pm_lock, flags);
+ if (sc->sc_ah->power_mode == ATH9K_PM_NETWORK_SLEEP) {
+ spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+ goto skip_hw_wakeup;
+ }
+ spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
ath9k_ps_wakeup(sc);
if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI))
ath_detect_bt_priority(sc);
- is_btscan = sc->sc_flags & SC_OP_BT_SCAN;
+ is_btscan = test_bit(BT_OP_SCAN, &btcoex->op_flags);
+
+ btcoex->bt_wait_time += btcoex->btcoex_period;
+ if (btcoex->bt_wait_time > ATH_BTCOEX_RX_WAIT_TIME) {
+ if (ar9003_mci_state(ah, MCI_STATE_NEED_FTP_STOMP) &&
+ (mci->num_pan || mci->num_other_acl))
+ ah->btcoex_hw.mci.stomp_ftp =
+ (sc->rx.num_pkts < ATH_BTCOEX_STOMP_FTP_THRESH);
+ else
+ ah->btcoex_hw.mci.stomp_ftp = false;
+ btcoex->bt_wait_time = 0;
+ sc->rx.num_pkts = 0;
+ }
spin_lock_bh(&btcoex->btcoex_lock);
@@ -218,9 +240,9 @@ static void ath_btcoex_period_timer(unsigned long data)
}
ath9k_ps_restore(sc);
- timer_period = btcoex->btcoex_period / 1000;
- mod_timer(&btcoex->period_timer, jiffies +
- msecs_to_jiffies(timer_period));
+skip_hw_wakeup:
+ timer_period = btcoex->btcoex_period;
+ mod_timer(&btcoex->period_timer, jiffies + msecs_to_jiffies(timer_period));
}
/*
@@ -233,14 +255,14 @@ static void ath_btcoex_no_stomp_timer(void *arg)
struct ath_hw *ah = sc->sc_ah;
struct ath_btcoex *btcoex = &sc->btcoex;
struct ath_common *common = ath9k_hw_common(ah);
- bool is_btscan = sc->sc_flags & SC_OP_BT_SCAN;
ath_dbg(common, BTCOEX, "no stomp timer running\n");
ath9k_ps_wakeup(sc);
spin_lock_bh(&btcoex->btcoex_lock);
- if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW || is_btscan)
+ if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW ||
+ test_bit(BT_OP_SCAN, &btcoex->op_flags))
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);
@@ -254,10 +276,10 @@ static int ath_init_btcoex_timer(struct ath_softc *sc)
{
struct ath_btcoex *btcoex = &sc->btcoex;
- btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000;
- btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
+ btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD;
+ btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * 1000 *
btcoex->btcoex_period / 100;
- btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) *
+ btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) * 1000 *
btcoex->btcoex_period / 100;
setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
@@ -292,7 +314,8 @@ void ath9k_btcoex_timer_resume(struct ath_softc *sc)
btcoex->bt_priority_cnt = 0;
btcoex->bt_priority_time = jiffies;
- sc->sc_flags &= ~(SC_OP_BT_PRIORITY_DETECTED | SC_OP_BT_SCAN);
+ clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);
+ clear_bit(BT_OP_SCAN, &btcoex->op_flags);
mod_timer(&btcoex->period_timer, jiffies);
}
@@ -314,14 +337,22 @@ void ath9k_btcoex_timer_pause(struct ath_softc *sc)
btcoex->hw_timer_enabled = false;
}
+void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
+{
+ struct ath_btcoex *btcoex = &sc->btcoex;
+
+ ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
+}
+
u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen)
{
+ struct ath_btcoex *btcoex = &sc->btcoex;
struct ath_mci_profile *mci = &sc->btcoex.mci;
u16 aggr_limit = 0;
if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && mci->aggr_limit)
aggr_limit = (max_4ms_framelen * mci->aggr_limit) >> 4;
- else if (sc->sc_flags & SC_OP_BT_PRIORITY_DETECTED)
+ else if (test_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags))
aggr_limit = min((max_4ms_framelen * 3) / 8,
(u32)ATH_AMPDU_LIMIT_MAX);
@@ -362,9 +393,9 @@ void ath9k_stop_btcoex(struct ath_softc *sc)
if (ah->btcoex_hw.enabled &&
ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) {
- ath9k_hw_btcoex_disable(ah);
if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
ath9k_btcoex_timer_pause(sc);
+ ath9k_hw_btcoex_disable(ah);
if (AR_SREV_9462(ah))
ath_mci_flush_profile(&sc->btcoex.mci);
}
@@ -372,11 +403,13 @@ void ath9k_stop_btcoex(struct ath_softc *sc)
void ath9k_deinit_btcoex(struct ath_softc *sc)
{
+ struct ath_hw *ah = sc->sc_ah;
+
if ((sc->btcoex.no_stomp_timer) &&
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 (AR_SREV_9462(sc->sc_ah))
+ if (ath9k_hw_mci_is_enabled(ah))
ath_mci_cleanup(sc);
}
@@ -402,7 +435,7 @@ int ath9k_init_btcoex(struct ath_softc *sc)
txq = sc->tx.txq_map[WME_AC_BE];
ath9k_hw_init_btcoex_hw(sc->sc_ah, txq->axq_qnum);
sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
- if (AR_SREV_9462(ah)) {
+ if (ath9k_hw_mci_is_enabled(ah)) {
sc->btcoex.duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE;
INIT_LIST_HEAD(&sc->btcoex.mci.info);