static ssize_t p3_bat_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int x = 0;
int ret = 0;
const ptrdiff_t off = attr - p3_battery_attrs;
switch (off) {
case FORCE_USB_CHARGING:
if (sscanf(buf, "%d\n", &x) == 1) {
if (x == 1)
test_batterydata->info.force_usb_charging = true;
else
test_batterydata->info.force_usb_charging = false;
ret = count;
p3_bat_status_update(&test_batterydata->psy_battery);
}
break;
case BATT_RESET_SOC:
if (sscanf(buf, "%d\n", &x) == 1) {
if (x == 1) {
if (!check_ta_conn(test_batterydata))
fg_reset_soc();
}
ret = count;
}
p3_bat_status_update(&test_batterydata->psy_battery);
pr_debug("Reset SOC:%d ", x);
break;
case BATT_RESET_CAP:
if (sscanf(buf, "%d\n", &x) == 1 ||
x == 2 || x == 3 || x == 4) {
if (x == 1 || x == 2 || x == 3 || x == 4)
fg_reset_capacity();
ret = count;
}
pr_debug("%s: Reset CAP:%d\n", __func__, x);
break;
case BATT_FG_REG:
if (sscanf(buf, "%d\n", &x) == 1) {
if (x == 1)
fg_periodic_read();
ret = count;
}
pr_debug("%s: FG Register:%d\n", __func__, x);
break;
#ifdef CONFIG_SAMSUNG_LPM_MODE
case CHARGING_MODE_BOOTING:
if (sscanf(buf, "%d\n", &x) == 1) {
test_batterydata->charging_mode_booting = x;
ret = count;
}
break;
#endif
default:
ret = -EINVAL;
}
return ret;
}
static void p3_bat_work(struct work_struct *work)
{
struct battery_data *battery =
container_of(work, struct battery_data, battery_work);
unsigned long flags;
pr_debug("bat work ");
p3_bat_status_update(&battery->psy_battery);
battery->last_poll = alarm_get_elapsed_realtime();
/* prevent suspend before starting the alarm */
local_irq_save(flags);
wake_unlock(&battery->work_wake_lock);
p3_program_alarm(battery, FAST_POLL);
local_irq_restore(flags);
}
static int __devinit p3_bat_probe(struct platform_device *pdev)
{
struct p3_battery_platform_data *pdata = dev_get_platdata(&pdev->dev);
struct battery_data *battery;
int ret;
unsigned long trigger;
int irq_num;
battery = kzalloc(sizeof(*battery), GFP_KERNEL);
if (!battery)
return -ENOMEM;
battery->pdata = pdata;
if (!battery->pdata) {
pr_err("%s : No platform data\n", __func__);
return -EINVAL;
}
battery->pdata->init_charger_gpio();
platform_set_drvdata(pdev, battery);
test_batterydata = battery;
battery->present = 1;
battery->info.level = 100;
battery->info.charging_source = CHARGER_BATTERY;
battery->info.batt_health = POWER_SUPPLY_HEALTH_GOOD;
battery->is_first_check = true;
battery->psy_battery.name = "battery";
battery->psy_battery.type = POWER_SUPPLY_TYPE_BATTERY;
battery->psy_battery.properties = p3_battery_properties;
battery->psy_battery.num_properties = ARRAY_SIZE(p3_battery_properties);
battery->psy_battery.get_property = p3_bat_get_property;
battery->psy_usb.name = "usb";
battery->psy_usb.type = POWER_SUPPLY_TYPE_USB;
battery->psy_usb.supplied_to = supply_list;
battery->psy_usb.num_supplicants = ARRAY_SIZE(supply_list);
battery->psy_usb.properties = p3_power_properties;
battery->psy_usb.num_properties = ARRAY_SIZE(p3_power_properties);
battery->psy_usb.get_property = p3_usb_get_property;
battery->psy_ac.name = "ac";
battery->psy_ac.type = POWER_SUPPLY_TYPE_MAINS;
battery->psy_ac.supplied_to = supply_list;
battery->psy_ac.num_supplicants = ARRAY_SIZE(supply_list);
battery->psy_ac.properties = p3_power_properties;
battery->psy_ac.num_properties = ARRAY_SIZE(p3_power_properties);
battery->psy_ac.get_property = p3_ac_get_property;
mutex_init(&battery->work_lock);
wake_lock_init(&battery->vbus_wake_lock, WAKE_LOCK_SUSPEND,
"vbus wake lock");
wake_lock_init(&battery->work_wake_lock, WAKE_LOCK_SUSPEND,
"batt_work wake lock");
wake_lock_init(&battery->cable_wake_lock, WAKE_LOCK_SUSPEND,
"temp wake lock");
wake_lock_init(&battery->fullcharge_wake_lock, WAKE_LOCK_SUSPEND,
"fullcharge wake lock");
#ifdef __TEST_DEVICE_DRIVER__
wake_lock_init(&battery->wake_lock_for_dev, WAKE_LOCK_SUSPEND,
"test mode wake lock");
#endif /* __TEST_DEVICE_DRIVER__ */
INIT_WORK(&battery->battery_work, p3_bat_work);
INIT_WORK(&battery->cable_work, p3_cable_work);
INIT_DELAYED_WORK(&battery->fuelgauge_work, fuelgauge_work_handler);
INIT_DELAYED_WORK(&battery->fullcharging_work,
fullcharging_work_handler);
INIT_DELAYED_WORK(&battery->full_comp_work, full_comp_work_handler);
INIT_DELAYED_WORK(&battery->TA_work, p3_TA_work_handler);
battery->p3_TA_workqueue = create_singlethread_workqueue(
"p3_TA_workqueue");
if (!battery->p3_TA_workqueue) {
pr_err("Failed to create single workqueue\n");
ret = -ENOMEM;
goto err_workqueue_init;
}
battery->last_poll = alarm_get_elapsed_realtime();
alarm_init(&battery->alarm, ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP,
p3_battery_alarm);
ret = power_supply_register(&pdev->dev, &battery->psy_battery);
if (ret) {
pr_err("Failed to register battery power supply.\n");
goto err_battery_psy_register;
}
ret = power_supply_register(&pdev->dev, &battery->psy_usb);
if (ret) {
pr_err("Failed to register USB power supply.\n");
goto err_usb_psy_register;
}
ret = power_supply_register(&pdev->dev, &battery->psy_ac);
if (ret) {
pr_err("Failed to register AC power supply.\n");
goto err_ac_psy_register;
}
/* create sec detail attributes */
p3_bat_create_attrs(battery->psy_battery.dev);
#ifdef __TEST_DEVICE_DRIVER__
sec_batt_test_create_attrs(battery->psy_ac.dev);
#endif /* __TEST_DEVICE_DRIVER__ */
battery->p3_battery_initial = 1;
battery->low_batt_boot_flag = 0;
battery->connect_irq = gpio_to_irq(pdata->charger.connect_line);
if (check_ta_conn(battery))
trigger = IRQF_TRIGGER_HIGH;
else
trigger = IRQF_TRIGGER_LOW;
if (request_irq(battery->connect_irq, p3_TA_interrupt_handler, trigger,
"TA_CON intr", battery)) {
pr_err("p3_TA_interrupt_handler register failed!\n");
goto err_charger_irq;
}
disable_irq(battery->connect_irq);
// Get initial cable status and enable connection irq.
p3_get_cable_status(battery);
battery->previous_cable_status = battery->current_cable_status;
enable_irq(battery->connect_irq);
if (check_ta_conn(battery) && check_UV_charging_case())
battery->low_batt_boot_flag = 1;
mutex_lock(&battery->work_lock);
fg_alert_init();
mutex_unlock(&battery->work_lock);
p3_bat_status_update(&battery->psy_battery);
p3_cable_check_status(battery);
/* before enable fullcharge interrupt, check fullcharge */
if (battery->info.charging_source == CHARGER_AC
&& battery->info.charging_enabled
&& gpio_get_value(pdata->charger.fullcharge_line) == 1)
p3_cable_charging(battery);
/* Request IRQ */
irq_num = gpio_to_irq(max17042_chip_data->pdata->fuel_alert_line);
if (request_irq(irq_num, low_battery_isr,
IRQF_TRIGGER_FALLING, "FUEL_ALRT irq", battery))
pr_err("Can NOT request irq 'IRQ_FUEL_ALERT' %d ", irq_num);
#ifdef CONFIG_SAMSUNG_LPM_MODE
lpm_mode_check(battery);
#endif
return 0;
err_charger_irq:
alarm_cancel(&battery->alarm);
power_supply_unregister(&battery->psy_ac);
err_ac_psy_register:
power_supply_unregister(&battery->psy_usb);
err_usb_psy_register:
power_supply_unregister(&battery->psy_battery);
err_battery_psy_register:
destroy_workqueue(battery->p3_TA_workqueue);
err_workqueue_init:
wake_lock_destroy(&battery->vbus_wake_lock);
wake_lock_destroy(&battery->work_wake_lock);
wake_lock_destroy(&battery->cable_wake_lock);
wake_lock_destroy(&battery->fullcharge_wake_lock);
mutex_destroy(&battery->work_lock);
kfree(battery);
return ret;
}
