static void start_link_pm(struct modem_link_pm *pm, enum pm_event event)
{
int cp2ap_wakeup;
int cp2ap_status;
enum pm_state state;
unsigned long flags;
spin_lock_irqsave(&pm->lock, flags);
if (pm->active) {
mif_err("%s: PM is already ACTIVE\n", pm->link_name);
goto exit;
}
lock_pm_wake(pm);
if (event == PM_EVENT_LOCK_ON) {
state = PM_STATE_LOCKED_ON;
assert_ap2cp_wakeup(pm);
assert_ap2cp_status(pm);
} else if (event == PM_EVENT_CP_BOOTING) {
state = PM_STATE_CP_BOOTING;
assert_ap2cp_wakeup(pm);
assert_ap2cp_status(pm);
} else {
state = PM_STATE_UNMOUNTED;
release_ap2cp_wakeup(pm);
release_ap2cp_status(pm);
}
/*
Enable every CP-to-AP IRQ and set it as a wake-up source
*/
cp2ap_wakeup = gpio_get_value(pm->gpio_cp2ap_wakeup);
change_irq_level(pm->cp2ap_wakeup_irq.num, cp2ap_wakeup);
mif_enable_irq(&pm->cp2ap_wakeup_irq);
cp2ap_status = gpio_get_value(pm->gpio_cp2ap_status);
change_irq_level(pm->cp2ap_status_irq.num, cp2ap_status);
mif_enable_irq(&pm->cp2ap_status_irq);
set_pm_fsm(pm, PM_STATE_UNMOUNTED, state, event);
pm->hold_requested = false;
pm->active = true;
#ifdef DEBUG_MODEM_IF
print_pm_fsm(pm);
#endif
exit:
spin_unlock_irqrestore(&pm->lock, flags);
}
static int ss300_boot_off(struct modem_ctl *mc)
{
unsigned long remain;
unsigned long flags;
mif_err("+++\n");
remain = wait_for_completion_timeout(&mc->init_cmpl, MIF_INIT_TIMEOUT);
if (remain == 0) {
mif_err("T-I-M-E-O-U-T\n");
mif_err("xxx\n");
return -EAGAIN;
}
mif_enable_irq(&mc->irq_cp_active);
spin_lock_irqsave(&mc->lock, flags);
mc->bootd->modem_state_changed(mc->bootd, STATE_ONLINE);
mc->iod->modem_state_changed(mc->iod, STATE_ONLINE);
spin_unlock_irqrestore(&mc->lock, flags);
atomic_set(&mc->forced_cp_crash, 0);
mif_err("---\n");
return 0;
}
static void start_pm(struct mem_link_device *mld)
{
if (pm_enable) {
int ap_wakeup = gpio_get_value(mld->gpio_ap_wakeup);
int cp_status = gpio_get_value(mld->gpio_cp_status);
print_pm_status(mld);
change_irq_type(mld->irq_ap_wakeup.num, ap_wakeup);
mif_enable_irq(&mld->irq_ap_wakeup);
change_irq_type(mld->irq_cp_status.num, cp_status);
mif_enable_irq(&mld->irq_cp_status);
} else {
wake_lock(&mld->ap_wlock);
}
}
static int ss300_boot_done(struct modem_ctl *mc)
{
mif_err("+++\n");
if (mc->wake_lock && wake_lock_active(mc->wake_lock)) {
wake_unlock(mc->wake_lock);
mif_err("%s->wake_lock unlocked\n", mc->name);
}
mif_enable_irq(&mc->irq_cp_active);
mif_err("---\n");
return 0;
}
