void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
{
struct ath_btcoex *btcoex = &sc->btcoex;
if (btcoex->hw_timer_enabled)
ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
}
/*
* 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;
struct ath_common *common = ath9k_hw_common(ah);
u32 timer_period;
bool is_btscan;
ath_detect_bt_priority(sc);
is_btscan = sc->sc_flags & SC_OP_BT_SCAN;
spin_lock_bh(&btcoex->btcoex_lock);
ath9k_cmn_btcoex_bt_stomp(common, is_btscan ? ATH_BTCOEX_STOMP_ALL :
btcoex->bt_stomp_type);
spin_unlock_bh(&btcoex->btcoex_lock);
if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
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, 0,
timer_period * 10);
btcoex->hw_timer_enabled = true;
}
mod_timer(&btcoex->period_timer, jiffies +
msecs_to_jiffies(ATH_BTCOEX_DEF_BT_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;
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 = 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);
ath9k_hw_btcoex_bt_stomp(ah, is_btscan ? ATH_BTCOEX_STOMP_ALL :
btcoex->bt_stomp_type);
ath9k_hw_btcoex_enable(ah);
spin_unlock_bh(&btcoex->btcoex_lock);
if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
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));
}
/*
* Pause btcoex timer and bt duty cycle timer
*/
void ath9k_btcoex_timer_pause(struct ath_softc *sc)
{
struct ath_btcoex *btcoex = &sc->btcoex;
struct ath_hw *ah = sc->sc_ah;
del_timer_sync(&btcoex->period_timer);
if (btcoex->hw_timer_enabled)
ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
btcoex->hw_timer_enabled = false;
}
/*
* (Re)start btcoex timers
*/
void ath9k_btcoex_timer_resume(struct ath_softc *sc)
{
struct ath_btcoex *btcoex = &sc->btcoex;
struct ath_hw *ah = sc->sc_ah;
ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex timers\n");
/* 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);
btcoex->bt_priority_cnt = 0;
btcoex->bt_priority_time = jiffies;
clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);
clear_bit(BT_OP_SCAN, &btcoex->op_flags);
mod_timer(&btcoex->period_timer, jiffies);
}
/*
* (Re)start btcoex timers
*/
void ath9k_btcoex_timer_resume(struct ath_softc *sc)
{
struct ath_btcoex *btcoex = &sc->btcoex;
struct ath_hw *ah = sc->sc_ah;
ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
"Starting btcoex timers");
/* 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);
btcoex->bt_priority_cnt = 0;
btcoex->bt_priority_time = jiffies;
sc->sc_flags &= ~(SC_OP_BT_PRIORITY_DETECTED | SC_OP_BT_SCAN);
mod_timer(&btcoex->period_timer, jiffies);
}
/*
* 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;
u32 timer_period;
bool is_btscan;
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;
spin_lock_bh(&btcoex->btcoex_lock);
ath9k_hw_btcoex_bt_stomp(ah, is_btscan ? ATH_BTCOEX_STOMP_ALL :
btcoex->bt_stomp_type);
spin_unlock_bh(&btcoex->btcoex_lock);
if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
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);
timer_period = btcoex->btcoex_period / 1000;
mod_timer(&btcoex->period_timer, jiffies +
msecs_to_jiffies(timer_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));
}