static int sharpsl_check_battery_voltage(void)
{
int val, i, buff[5];
/* disable charge, enable discharge */
CHARGE_OFF();
DISCHARGE_ON();
mdelay(SHARPSL_WAIT_DISCHARGE_ON);
if (sharpsl_pm.machinfo->discharge1)
sharpsl_pm.machinfo->discharge1(1);
/* Check battery voltage */
for (i=0; i<5; i++) {
buff[i] = sharpsl_read_main_battery();
mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT);
}
if (sharpsl_pm.machinfo->discharge1)
sharpsl_pm.machinfo->discharge1(0);
DISCHARGE_OFF();
val = get_select_val(buff);
dev_dbg(sharpsl_pm.dev, "Battery Voltage: %d\n", val);
if (val < SHARPSL_CHARGE_ON_VOLT)
return -1;
return 0;
}
static int sharpsl_off_charge_error(void)
{
dev_err(sharpsl_pm.dev, "Offline Charger: Error occured.\n");
CHARGE_OFF();
CHARGE_LED_ERR();
sharpsl_pm.charge_mode = CHRG_ERROR;
return 1;
}
static void sharpsl_charge_off(void)
{
dev_dbg(sharpsl_pm.dev, "Turning Charger Off\n");
CHARGE_OFF();
CHARGE_LED_OFF();
sharpsl_pm.charge_mode = CHRG_OFF;
schedule_work(&sharpsl_bat);
}
void led_state_machine()
{
uint16_t xval =0;
uint16_t yval =0;
TOUCH_VAL(&xval, &yval);
if(oven_status==Oven_Idle)
{
if(!((xval + yval)==0)) // Timeout for touch
{
reset_idle_timer();
}
else
{
if(count_down_time_idle(&idle_timer))
{
LCD_BLIGHT_OUTPUT &= ~LCD_BLIGHT;
LED_ANI_ON();
CHARGE_OFF();
}
}
}
if(oven_status==Oven_Alarm)
{
if(check_for_lead_profile())
{
if((get_reflow_time_minutes()*60 + get_reflow_time_seconds())>90)
{
BUZZER_ON();
}
else
BUZZER_OFF();
}
else
{
if((get_reflow_time_minutes()*60 + get_reflow_time_seconds())>80)
{
BUZZER_ON();
}
else
BUZZER_OFF();
}
}
}
static void sharpsl_charge_toggle(void *private_)
{
dev_dbg(sharpsl_pm.dev, "Toogling Charger at time: %lx\n", jiffies);
if (STATUS_AC_IN() == 0) {
sharpsl_charge_off();
return;
} else if ((sharpsl_check_battery_temp() < 0) || (sharpsl_ac_check() < 0)) {
sharpsl_charge_error();
return;
}
CHARGE_LED_ON();
CHARGE_OFF();
mdelay(SHARPSL_CHARGE_WAIT_TIME);
CHARGE_ON();
sharpsl_pm.charge_start_time = jiffies;
}
/*
* Check for fatal battery errors
* Fatal returns -1
*/
static int sharpsl_fatal_check(void)
{
int buff[5], temp, i, acin;
dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check entered\n");
/* Check AC-Adapter */
acin = STATUS_AC_IN();
if (acin && (sharpsl_pm.charge_mode == CHRG_ON)) {
CHARGE_OFF();
udelay(100);
DISCHARGE_ON(); /* enable discharge */
mdelay(SHARPSL_WAIT_DISCHARGE_ON);
}
if (sharpsl_pm.machinfo->discharge1)
sharpsl_pm.machinfo->discharge1(1);
/* Check battery : check inserting battery ? */
for (i=0; i<5; i++) {
buff[i] = sharpsl_read_main_battery();
mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT);
}
if (sharpsl_pm.machinfo->discharge1)
sharpsl_pm.machinfo->discharge1(0);
if (acin && (sharpsl_pm.charge_mode == CHRG_ON)) {
udelay(100);
CHARGE_ON();
DISCHARGE_OFF();
}
temp = get_select_val(buff);
dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check: acin: %d, discharge voltage: %d, no discharge: %d\n", acin, temp, sharpsl_read_main_battery());
if ((acin && (temp < SHARPSL_FATAL_ACIN_VOLT)) ||
(!acin && (temp < SHARPSL_FATAL_NOACIN_VOLT)))
return -1;
return 0;
}
/*
* 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 */
CHARGE_LED_ON();
CHARGE_OFF();
mdelay(SHARPSL_CHARGE_WAIT_TIME);
CHARGE_ON();
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();
CHARGE_OFF();
mdelay(SHARPSL_CHARGE_WAIT_TIME);
CHARGE_ON();
sharpsl_pm.charge_mode = CHRG_ON;
mdelay(SHARPSL_CHARGE_CO_CHECK_TIME);
time = RCNR;
while(1) {
/* Check if any wakeup event had occured */
if (sharpsl_pm.machinfo->charger_wakeup() != 0)
return 0;
/* Check for timeout */
if ((RCNR - time) > SHARPSL_WAIT_CO_TIME)
return 1;
if (STATUS_CHRG_FULL()) {
dev_dbg(sharpsl_pm.dev, "Offline Charger: Charge full occured. Retrying to check\n");
sharpsl_pm.full_count++;
CHARGE_OFF();
mdelay(SHARPSL_CHARGE_WAIT_TIME);
CHARGE_ON();
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 occured */
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 (STATUS_CHRG_FULL()) {
dev_dbg(sharpsl_pm.dev, "Offline Charger: Charging complete.\n");
CHARGE_LED_OFF();
CHARGE_OFF();
sharpsl_pm.charge_mode = CHRG_DONE;
return 1;
}
}
}
static void sharpsl_charge_error(void)
{
CHARGE_LED_ERR();
CHARGE_OFF();
sharpsl_pm.charge_mode = CHRG_ERROR;
}