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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.c136
1 files changed, 113 insertions, 23 deletions
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index d9ed141a053e..4b412aaf4f36 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -187,6 +187,24 @@ static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
}
}
+static void ath_mci_ftp_adjust(struct ath_softc *sc)
+{
+ struct ath_btcoex *btcoex = &sc->btcoex;
+ struct ath_mci_profile *mci = &btcoex->mci;
+ struct ath_hw *ah = sc->sc_ah;
+
+ 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;
+ }
+}
+
/*
* This is the master bt coex timer which runs for every
* 45ms, bt traffic will be given priority during 55% of this
@@ -197,41 +215,46 @@ 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;
+ enum ath_stomp_type stomp_type;
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) {
+ btcoex->bt_wait_time += btcoex->btcoex_period;
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
goto skip_hw_wakeup;
}
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+ ath9k_mci_update_rssi(sc);
+
ath9k_ps_wakeup(sc);
+
if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI))
ath_detect_bt_priority(sc);
- 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;
- }
+ if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI)
+ ath_mci_ftp_adjust(sc);
spin_lock_bh(&btcoex->btcoex_lock);
- ath9k_hw_btcoex_bt_stomp(ah, is_btscan ? ATH_BTCOEX_STOMP_ALL :
- btcoex->bt_stomp_type);
+ stomp_type = btcoex->bt_stomp_type;
+ timer_period = btcoex->btcoex_no_stomp;
+
+ if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) {
+ if (test_bit(BT_OP_SCAN, &btcoex->op_flags)) {
+ stomp_type = ATH_BTCOEX_STOMP_ALL;
+ timer_period = btcoex->btscan_no_stomp;
+ }
+ } else if (btcoex->stomp_audio >= 5) {
+ stomp_type = ATH_BTCOEX_STOMP_AUDIO;
+ btcoex->stomp_audio = 0;
+ }
+ ath9k_hw_btcoex_bt_stomp(ah, stomp_type);
ath9k_hw_btcoex_enable(ah);
+
spin_unlock_bh(&btcoex->btcoex_lock);
/*
@@ -243,17 +266,16 @@ static void ath_btcoex_period_timer(unsigned long data)
if (btcoex->hw_timer_enabled)
ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
- timer_period = is_btscan ? btcoex->btscan_no_stomp :
- btcoex->btcoex_no_stomp;
ath9k_gen_timer_start(ah, btcoex->no_stomp_timer, timer_period,
timer_period * 10);
btcoex->hw_timer_enabled = true;
}
ath9k_ps_restore(sc);
+
skip_hw_wakeup:
- timer_period = btcoex->btcoex_period;
- mod_timer(&btcoex->period_timer, jiffies + msecs_to_jiffies(timer_period));
+ mod_timer(&btcoex->period_timer,
+ jiffies + msecs_to_jiffies(btcoex->btcoex_period));
}
/*
@@ -273,9 +295,10 @@ static void ath_btcoex_no_stomp_timer(void *arg)
spin_lock_bh(&btcoex->btcoex_lock);
if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW ||
- test_bit(BT_OP_SCAN, &btcoex->op_flags))
+ (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI) &&
+ 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)
+ else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_LOW);
ath9k_hw_btcoex_enable(ah);
@@ -451,7 +474,7 @@ int ath9k_init_btcoex(struct ath_softc *sc)
r = ath_init_btcoex_timer(sc);
if (r)
return -1;
- txq = sc->tx.txq_map[WME_AC_BE];
+ txq = sc->tx.txq_map[IEEE80211_AC_BE];
ath9k_hw_init_btcoex_hw(sc->sc_ah, txq->axq_qnum);
sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
if (ath9k_hw_mci_is_enabled(ah)) {
@@ -474,4 +497,71 @@ int ath9k_init_btcoex(struct ath_softc *sc)
return 0;
}
+static int ath9k_dump_mci_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
+{
+ struct ath_btcoex *btcoex = &sc->btcoex;
+ struct ath_mci_profile *mci = &btcoex->mci;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
+ u32 len = 0;
+ int i;
+
+ ATH_DUMP_BTCOEX("Total BT profiles", NUM_PROF(mci));
+ ATH_DUMP_BTCOEX("MGMT", mci->num_mgmt);
+ ATH_DUMP_BTCOEX("SCO", mci->num_sco);
+ ATH_DUMP_BTCOEX("A2DP", mci->num_a2dp);
+ ATH_DUMP_BTCOEX("HID", mci->num_hid);
+ ATH_DUMP_BTCOEX("PAN", mci->num_pan);
+ ATH_DUMP_BTCOEX("ACL", mci->num_other_acl);
+ ATH_DUMP_BTCOEX("BDR", mci->num_bdr);
+ ATH_DUMP_BTCOEX("Aggr. Limit", mci->aggr_limit);
+ ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type);
+ ATH_DUMP_BTCOEX("BTCoex Period (msec)", btcoex->btcoex_period);
+ ATH_DUMP_BTCOEX("Duty Cycle", btcoex->duty_cycle);
+ ATH_DUMP_BTCOEX("BT Wait time", btcoex->bt_wait_time);
+ ATH_DUMP_BTCOEX("Concurrent Tx", btcoex_hw->mci.concur_tx);
+ ATH_DUMP_BTCOEX("Concurrent RSSI cnt", btcoex->rssi_count);
+
+ len += snprintf(buf + len, size - len, "BT Weights: ");
+ for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++)
+ len += snprintf(buf + len, size - len, "%08x ",
+ btcoex_hw->bt_weight[i]);
+ len += snprintf(buf + len, size - len, "\n");
+ len += snprintf(buf + len, size - len, "WLAN Weights: ");
+ for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++)
+ len += snprintf(buf + len, size - len, "%08x ",
+ btcoex_hw->wlan_weight[i]);
+ len += snprintf(buf + len, size - len, "\n");
+ len += snprintf(buf + len, size - len, "Tx Priorities: ");
+ for (i = 0; i < ATH_BTCOEX_STOMP_MAX; i++)
+ len += snprintf(buf + len, size - len, "%08x ",
+ btcoex_hw->tx_prio[i]);
+
+ len += snprintf(buf + len, size - len, "\n");
+
+ return len;
+}
+
+static int ath9k_dump_legacy_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
+{
+
+ struct ath_btcoex *btcoex = &sc->btcoex;
+ u32 len = 0;
+
+ ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type);
+ ATH_DUMP_BTCOEX("BTCoex Period (msec)", btcoex->btcoex_period);
+ ATH_DUMP_BTCOEX("Duty Cycle", btcoex->duty_cycle);
+ ATH_DUMP_BTCOEX("BT Wait time", btcoex->bt_wait_time);
+
+ return len;
+}
+
+int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
+{
+ if (ath9k_hw_mci_is_enabled(sc->sc_ah))
+ return ath9k_dump_mci_btcoex(sc, buf, size);
+ else
+ return ath9k_dump_legacy_btcoex(sc, buf, size);
+}
+
#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.