/*
* [ 0, 0 ] --> no charge in uboot, show charging logo and boot
* [ lo_uv, 0 ] --> charge only until lo_uv
* [ 0, hi_uv ] --> show logo and charge until hi_uv
* [ lo_uv, hi_uv ] --> charge until lo_uv, show logo, and then charge until hi_uv
*/
static void loop_charge(struct pmic *p_bat, int lo_uv, u32 hi_uv,
void (*charging_indication)(bool))
{
if (!p_bat || !p_bat->pbat) {
printf("%s: battery information is NULL!\n", __func__);
return;
}
/* for sequence test */
if ((lo_uv == 0) && (hi_uv == 0)) {
/* TODO: show logo here */
return;
}
printf("\n%s begins...\n\n", __func__);
/* update battery voltage and compare it with the threshold */
p_bat->fg->fg_battery_update(p_bat->pbat->fg, p_bat);
if (p_bat->pbat->bat->voltage_uV <= lo_uv) {
printf("charging phase #1\n");
do_charging(p_bat, lo_uv);
}
if (p_bat->pbat->bat->voltage_uV <= hi_uv) {
if (charging_indication)
(*charging_indication)(true);
printf("charging phase #2\n");
do_charging(p_bat, hi_uv);
if (charging_indication)
(*charging_indication)(false);
}
printf("\n%s finishes...\n\n", __func__);
}
int otg_main_thread(void *data)
{
struct dwc_otg2 *otg = (struct dwc_otg2 *)data;
/* Allow the thread to be killed by a signal, but set the signal mask
* to block everything but INT, TERM, KILL, and USR1. */
allow_signal(SIGINT);
allow_signal(SIGTERM);
allow_signal(SIGKILL);
allow_signal(SIGUSR1);
pm_runtime_get_sync(otg->dev);
/* Allow the thread to be frozen */
set_freezable();
otg_dbg(otg, "Thread running\n");
while (otg->state != DWC_STATE_TERMINATED) {
int next = DWC_STATE_B_IDLE;
otg_dbg(otg, "\n\n\nMain thread entering state\n");
switch (otg->state) {
case DWC_STATE_B_IDLE:
otg_dbg(otg, "DWC_STATE_B_IDLE\n");
next = do_connector_id_status(otg);
break;
case DWC_STATE_CHARGER_DETECTION:
otg_dbg(otg, "DWC_STATE_CHARGER_DETECTION\n");
next = do_charger_detection(otg);
break;
case DWC_STATE_WAIT_VBUS_FALL:
otg_dbg(otg, "DWC_STATE_WAIT_VBUS_FALL\n");
next = do_wait_vbus_fall(otg);
break;
case DWC_STATE_CHARGING:
otg_dbg(otg, "DWC_STATE_CHARGING\n");
next = do_charging(otg);
break;
case DWC_STATE_A_HOST:
otg_dbg(otg, "DWC_STATE_A_HOST\n");
next = do_a_host(otg);
break;
case DWC_STATE_B_PERIPHERAL:
otg_dbg(otg, "DWC_STATE_B_PERIPHERAL\n");
start_peripheral(otg);
next = do_b_peripheral(otg);
stop_peripheral(otg);
break;
case DWC_STATE_EXIT:
otg_dbg(otg, "DWC_STATE_EXIT\n");
next = DWC_STATE_TERMINATED;
break;
case DWC_STATE_INVALID:
otg_dbg(otg, "DWC_STATE_INVALID!!!\n");
default:
otg_dbg(otg, "Unknown State %d, sleeping...\n",
otg->state);
sleep_main_thread(otg);
break;
}
otg->prev = otg->state;
otg->state = next;
}
pm_runtime_mark_last_busy(otg->dev);
pm_runtime_put_autosuspend(otg->dev);
otg->main_thread = NULL;
otg_dbg(otg, "OTG main thread exiting....\n");
return 0;
}
