static int spitz_should_wakeup(unsigned int resume_on_alarm)
{
int is_resume = 0;
int acin = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN);
if (spitz_last_ac_status != acin) {
if (acin) {
/* charge on */
sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG;
dev_dbg(sharpsl_pm.dev, "AC Inserted\n");
} else {
/* charge off */
dev_dbg(sharpsl_pm.dev, "AC Removed\n");
sharpsl_pm_led(SHARPSL_LED_OFF);
sharpsl_pm.machinfo->charge(0);
sharpsl_pm.charge_mode = CHRG_OFF;
}
spitz_last_ac_status = acin;
/* Return to suspend as this must be what we were woken for */
return 0;
}
if (PEDR & GPIO_bit(SPITZ_GPIO_KEY_INT))
is_resume |= GPIO_bit(SPITZ_GPIO_KEY_INT);
if (PKSR & GPIO_bit(SPITZ_GPIO_SYNC))
is_resume |= GPIO_bit(SPITZ_GPIO_SYNC);
if (resume_on_alarm && (PEDR & PWER_RTC))
is_resume |= PWER_RTC;
dev_dbg(sharpsl_pm.dev, "is_resume: %x\n",is_resume);
return is_resume;
}
/*
* Check what brought us out of the suspend.
* Return: 0 to sleep, otherwise wake
*/
static int corgi_should_wakeup(unsigned int resume_on_alarm)
{
int is_resume = 0;
dev_dbg(sharpsl_pm.dev, "GPLR0 = %x,%x\n", GPLR0, PEDR);
if ((PEDR & GPIO_bit(CORGI_GPIO_AC_IN))) {
if (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN)) {
/* charge on */
dev_dbg(sharpsl_pm.dev, "ac insert\n");
sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG;
} else {
/* charge off */
dev_dbg(sharpsl_pm.dev, "ac remove\n");
sharpsl_pm_led(SHARPSL_LED_OFF);
sharpsl_pm.machinfo->charge(0);
sharpsl_pm.charge_mode = CHRG_OFF;
}
}
if ((PEDR & GPIO_bit(CORGI_GPIO_CHRG_FULL)))
dev_dbg(sharpsl_pm.dev, "Charge full interrupt\n");
if (PEDR & GPIO_bit(CORGI_GPIO_KEY_INT))
is_resume |= GPIO_bit(CORGI_GPIO_KEY_INT);
if (PEDR & GPIO_bit(CORGI_GPIO_WAKEUP))
is_resume |= GPIO_bit(CORGI_GPIO_WAKEUP);
if (resume_on_alarm && (PEDR & PWER_RTC))
is_resume |= PWER_RTC;
dev_dbg(sharpsl_pm.dev, "is_resume: %x\n",is_resume);
return is_resume;
}
static int sharpsl_off_charge_error(void)
{
dev_err(sharpsl_pm.dev, "Offline Charger: Error occurred.\n");
sharpsl_pm.machinfo->charge(0);
sharpsl_pm_led(SHARPSL_LED_ERROR);
sharpsl_pm.charge_mode = CHRG_ERROR;
return 1;
}
static void sharpsl_charge_off(void)
{
dev_dbg(sharpsl_pm.dev, "Turning Charger Off\n");
sharpsl_pm.machinfo->charge(0);
sharpsl_pm_led(SHARPSL_LED_OFF);
sharpsl_pm.charge_mode = CHRG_OFF;
schedule_delayed_work(&sharpsl_bat, 0);
}
static void sharpsl_charge_toggle(struct work_struct *private_)
{
dev_dbg(sharpsl_pm.dev, "Toogling Charger at time: %lx\n", jiffies);
if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN)) {
sharpsl_charge_off();
return;
} else if ((sharpsl_check_battery_temp() < 0) || (sharpsl_ac_check() < 0)) {
sharpsl_charge_error();
return;
}
sharpsl_pm_led(SHARPSL_LED_ON);
sharpsl_pm.machinfo->charge(0);
mdelay(SHARPSL_CHARGE_WAIT_TIME);
sharpsl_pm.machinfo->charge(1);
sharpsl_pm.charge_start_time = jiffies;
}
/*
* Charging Control while suspended
* Return 1 - go straight to sleep
* Return 0 - sleep or wakeup depending on other factors
*/
static int sharpsl_off_charge_battery(void)
{
int time;
dev_dbg(sharpsl_pm.dev, "Charge Mode: %d\n", sharpsl_pm.charge_mode);
if (sharpsl_pm.charge_mode == CHRG_OFF) {
dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 1\n");
/* AC Check */
if ((sharpsl_ac_check() < 0) || (sharpsl_check_battery_temp() < 0))
return sharpsl_off_charge_error();
/* Start Charging */
sharpsl_pm_led(SHARPSL_LED_ON);
sharpsl_pm.machinfo->charge(0);
mdelay(SHARPSL_CHARGE_WAIT_TIME);
sharpsl_pm.machinfo->charge(1);
sharpsl_pm.charge_mode = CHRG_ON;
sharpsl_pm.full_count = 0;
return 1;
} else if (sharpsl_pm.charge_mode != CHRG_ON) {
return 1;
}
if (sharpsl_pm.full_count == 0) {
int time;
dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 2\n");
if ((sharpsl_check_battery_temp() < 0) || (sharpsl_check_battery_voltage() < 0))
return sharpsl_off_charge_error();
sharpsl_pm.machinfo->charge(0);
mdelay(SHARPSL_CHARGE_WAIT_TIME);
sharpsl_pm.machinfo->charge(1);
sharpsl_pm.charge_mode = CHRG_ON;
mdelay(SHARPSL_CHARGE_CO_CHECK_TIME);
time = RCNR;
while(1) {
/* Check if any wakeup event had occurred */
if (sharpsl_pm.machinfo->charger_wakeup() != 0)
return 0;
/* Check for timeout */
if ((RCNR - time) > SHARPSL_WAIT_CO_TIME)
return 1;
if (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_CHRGFULL)) {
dev_dbg(sharpsl_pm.dev, "Offline Charger: Charge full occurred. Retrying to check\n");
sharpsl_pm.full_count++;
sharpsl_pm.machinfo->charge(0);
mdelay(SHARPSL_CHARGE_WAIT_TIME);
sharpsl_pm.machinfo->charge(1);
return 1;
}
}
}
dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 3\n");
mdelay(SHARPSL_CHARGE_CO_CHECK_TIME);
time = RCNR;
while(1) {
/* Check if any wakeup event had occurred */
if (sharpsl_pm.machinfo->charger_wakeup() != 0)
return 0;
/* Check for timeout */
if ((RCNR-time) > SHARPSL_WAIT_CO_TIME) {
if (sharpsl_pm.full_count > SHARPSL_CHARGE_RETRY_CNT) {
dev_dbg(sharpsl_pm.dev, "Offline Charger: Not charged sufficiently. Retrying.\n");
sharpsl_pm.full_count = 0;
}
sharpsl_pm.full_count++;
return 1;
}
if (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_CHRGFULL)) {
dev_dbg(sharpsl_pm.dev, "Offline Charger: Charging complete.\n");
sharpsl_pm_led(SHARPSL_LED_OFF);
sharpsl_pm.machinfo->charge(0);
sharpsl_pm.charge_mode = CHRG_DONE;
return 1;
}
}
}
static void sharpsl_charge_error(void)
{
sharpsl_pm_led(SHARPSL_LED_ERROR);
sharpsl_pm.machinfo->charge(0);
sharpsl_pm.charge_mode = CHRG_ERROR;
}