/* * 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_hw *ah = sc->sc_ah; struct ath_btcoex *btcoex = &sc->btcoex; enum ath_stomp_type stomp_type; u32 timer_period; 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); if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) ath_mci_ftp_adjust(sc); spin_lock_bh(&btcoex->btcoex_lock); 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); if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) mod_timer(&btcoex->no_stomp_timer, jiffies + msecs_to_jiffies(timer_period)); ath9k_ps_restore(sc); skip_hw_wakeup: mod_timer(&btcoex->period_timer, jiffies + msecs_to_jiffies(btcoex->btcoex_period)); }
/* * 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_hw *ah = sc->sc_ah; struct ath_btcoex *btcoex = &sc->btcoex; enum ath_stomp_type stomp_type; u32 timer_period; 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); if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) ath_mci_ftp_adjust(sc); spin_lock_bh(&btcoex->btcoex_lock); 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); /* * btcoex_period is in msec while (btocex/btscan_)no_stomp are in usec, * ensure that we properly convert btcoex_period to usec * for any comparision with (btcoex/btscan_)no_stomp. */ if (btcoex->btcoex_period * 1000 != btcoex->btcoex_no_stomp) { if (btcoex->hw_timer_enabled) ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer); 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: mod_timer(&btcoex->period_timer, jiffies + msecs_to_jiffies(btcoex->btcoex_period)); }