static int axp_battery_event(struct notifier_block *nb, unsigned long event,
void *data)
{
struct axp_charger *charger =
container_of(nb, struct axp_charger, nb);
axp_charger_update_state(charger);
switch (event) {
case AXP19_IRQ_BATIN:
case AXP19_IRQ_ACIN:
case AXP19_IRQ_USBIN:
axp_set_bits(charger->master,AXP19_CHARGE_CONTROL1,0x80);
break;
case AXP19_IRQ_BATRE:
case AXP19_IRQ_ACOV:
case AXP19_IRQ_ACRE:
case AXP19_IRQ_USBOV:
case AXP19_IRQ_USBRE:
case AXP19_IRQ_TEMOV:
case AXP19_IRQ_TEMLO:
axp_clr_bits(charger->master,AXP19_CHARGE_CONTROL1,0x80);
break;
default:
break;
}
return 0;
}
static int axp81x_resume(struct platform_device *dev)
{
struct axp_charger *charger = platform_get_drvdata(dev);
int pre_rest_vol;
uint8_t val,tmp;
axp_enable_irq(charger);
pre_rest_vol = charger->rest_vol;
axp_read(charger->master, AXP81X_CAP,&val);
charger->rest_vol = val & 0x7f;
if(charger->rest_vol - pre_rest_vol){
printk("battery vol change: %d->%d \n", pre_rest_vol, charger->rest_vol);
pre_rest_vol = charger->rest_vol;
axp_write(charger->master,AXP81X_DATA_BUFFER1,charger->rest_vol | 0x80);
}
#if defined (CONFIG_AXP_CHGCHANGE)
if(axp81x_config.pmu_runtime_chgcur == 0)
axp_clr_bits(charger->master,AXP81X_CHARGE_CONTROL1,0x80);
else
axp_set_bits(charger->master,AXP81X_CHARGE_CONTROL1,0x80);
printk("pmu_runtime_chgcur = %d\n", axp81x_config.pmu_runtime_chgcur);
if(axp81x_config.pmu_runtime_chgcur >= 300000 && axp81x_config.pmu_runtime_chgcur <= 2550000){
tmp = (axp81x_config.pmu_runtime_chgcur -200001)/150000;
charger->chgcur = tmp *150000 + 300000;
axp_update(charger->master, AXP81X_CHARGE_CONTROL1, tmp,0x0F);
}else if(axp81x_config.pmu_runtime_chgcur < 300000){
axp_clr_bits(axp_charger->master, AXP81X_CHARGE_CONTROL1,0x0F);
}else{
axp_set_bits(axp_charger->master, AXP81X_CHARGE_CONTROL1,0x0F);
}
#endif
charger->disvbat = 0;
charger->disibat = 0;
axp_charger_update_state(charger);
axp_charger_update(charger, &axp81x_config);
power_supply_changed(&charger->batt);
power_supply_changed(&charger->ac);
power_supply_changed(&charger->usb);
schedule_delayed_work(&charger->work, charger->interval);
return 0;
}
static void axp_charging_monitor(struct work_struct *work)
{
struct axp_charger *charger;
uint8_t val,temp_val[4];
int pre_rest_vol,pre_bat_curr_dir;
unsigned long power_sply = 0;
charger = container_of(work, struct axp_charger, work.work);
pre_rest_vol = charger->rest_vol;
pre_bat_curr_dir = charger->bat_current_direction;
axp_charger_update_state(charger);
axp_charger_update(charger, &axp81x_config);
axp_read(charger->master, AXP81X_CAP,&val);
spin_lock(&charger->charger_lock);
charger->rest_vol = (int) (val & 0x7F);
spin_unlock(&charger->charger_lock);
if (axp_debug & DEBUG_SPLY) {
DBG_PSY_MSG(DEBUG_SPLY, "charger->ic_temp = %d\n",charger->ic_temp);
DBG_PSY_MSG(DEBUG_SPLY, "charger->bat_temp = %d\n",charger->bat_temp);
DBG_PSY_MSG(DEBUG_SPLY, "charger->vbat = %d\n",charger->vbat);
DBG_PSY_MSG(DEBUG_SPLY, "charger->ibat = %d\n",charger->ibat);
DBG_PSY_MSG(DEBUG_SPLY, "charger->ocv = %d\n",charger->ocv);
DBG_PSY_MSG(DEBUG_SPLY, "charger->disvbat = %d\n",charger->disvbat);
DBG_PSY_MSG(DEBUG_SPLY, "charger->disibat = %d\n",charger->disibat);
power_sply = charger->disvbat * charger->disibat;
if (0 != power_sply)
power_sply = power_sply/1000;
DBG_PSY_MSG(DEBUG_SPLY, "power_sply = %ld mW\n",power_sply);
DBG_PSY_MSG(DEBUG_SPLY, "charger->rest_vol = %d\n",charger->rest_vol);
axp_reads(charger->master,0xba,2,temp_val);
DBG_PSY_MSG(DEBUG_SPLY, "Axp Rdc = %d\n",(((temp_val[0] & 0x1f) <<8) + temp_val[1])*10742/10000);
axp_reads(charger->master,0xe0,2,temp_val);
DBG_PSY_MSG(DEBUG_SPLY, "Axp batt_max_cap = %d\n",(((temp_val[0] & 0x7f) <<8) + temp_val[1])*1456/1000);
axp_reads(charger->master,0xe2,2,temp_val);
DBG_PSY_MSG(DEBUG_SPLY, "Axp coulumb_counter = %d\n",(((temp_val[0] & 0x7f) <<8) + temp_val[1])*1456/1000);
axp_read(charger->master,0xb8,temp_val);
DBG_PSY_MSG(DEBUG_SPLY, "Axp REG_B8 = %x\n",temp_val[0]);
axp_reads(charger->master,0xe4,2,temp_val);
DBG_PSY_MSG(DEBUG_SPLY, "Axp OCV_percentage = %d\n",(temp_val[0] & 0x7f));
DBG_PSY_MSG(DEBUG_SPLY, "Axp Coulumb_percentage = %d\n",(temp_val[1] & 0x7f));
DBG_PSY_MSG(DEBUG_SPLY, "charger->is_on = %d\n",charger->is_on);
DBG_PSY_MSG(DEBUG_SPLY, "charger->bat_current_direction = %d\n",charger->bat_current_direction);
DBG_PSY_MSG(DEBUG_SPLY, "charger->charge_on = %d\n",charger->charge_on);
DBG_PSY_MSG(DEBUG_SPLY, "charger->ext_valid = %d\n",charger->ext_valid);
DBG_PSY_MSG(DEBUG_SPLY, "pmu_runtime_chgcur = %d\n",axp81x_config.pmu_runtime_chgcur);
DBG_PSY_MSG(DEBUG_SPLY, "pmu_earlysuspend_chgcur = %d\n",axp81x_config.pmu_earlysuspend_chgcur);
DBG_PSY_MSG(DEBUG_SPLY, "pmu_suspend_chgcur = %d\n",axp81x_config.pmu_suspend_chgcur);
DBG_PSY_MSG(DEBUG_SPLY, "pmu_shutdown_chgcur = %d\n\n\n",axp81x_config.pmu_shutdown_chgcur);
}
/* if battery volume changed, inform uevent */
if((charger->rest_vol - pre_rest_vol) || (charger->bat_current_direction != pre_bat_curr_dir)){
axp_reads(charger->master,0xe2,2,temp_val);
axp_reads(charger->master,0xe4,2,(temp_val+2));
DBG_PSY_MSG(DEBUG_SPLY, "battery vol change: %d->%d \n", pre_rest_vol, charger->rest_vol);
DBG_PSY_MSG(DEBUG_SPLY, "for test %d %d %d %d %d %d\n",charger->vbat,charger->ocv,charger->ibat,
(temp_val[2] & 0x7f),(temp_val[3] & 0x7f),(((temp_val[0] & 0x7f) <<8) + temp_val[1])*1456/1000);
pre_rest_vol = charger->rest_vol;
power_supply_changed(&charger->batt);
}
/* reschedule for the next time */
schedule_delayed_work(&charger->work, charger->interval);
}
static int axp_battery_probe(struct platform_device *pdev)
{
struct axp_charger *charger;
struct axp_supply_init_data *pdata = pdev->dev.platform_data;
int ret;
uint8_t val;
if (pdata == NULL)
return -EINVAL;
if (pdata->chgcur > 2550000 ||
pdata->chgvol < 4100000 ||
pdata->chgvol > 4350000){
printk("charger milliamp is too high or target voltage is over range\n");
return -EINVAL;
}
if (pdata->chgpretime < 40 || pdata->chgpretime >70 ||
pdata->chgcsttime < 360 || pdata->chgcsttime > 720){
printk("prechaging time or constant current charging time is over range\n");
return -EINVAL;
}
charger = kzalloc(sizeof(*charger), GFP_KERNEL);
if (charger == NULL)
return -ENOMEM;
spin_lock_init(&charger->charger_lock);
spin_lock(&charger->charger_lock);
charger->master = pdev->dev.parent;
charger->chgcur = pdata->chgcur;
charger->chgvol = pdata->chgvol;
charger->chgend = pdata->chgend;
charger->sample_time = pdata->sample_time;
charger->chgen = pdata->chgen;
charger->chgpretime = pdata->chgpretime;
charger->chgcsttime = pdata->chgcsttime;
charger->battery_info = pdata->battery_info;
charger->disvbat = 0;
charger->disibat = 0;
spin_unlock(&charger->charger_lock);
ret = axp81x_init(charger);
if (ret) {
goto err_ps_register;
}
axp_battery_setup_psy(charger);
ret = power_supply_register(&pdev->dev, &charger->batt);
if (ret)
goto err_ps_register;
ret = power_supply_register(&pdev->dev, &charger->ac);
if (ret){
power_supply_unregister(&charger->batt);
goto err_ps_register;
}
ret = power_supply_register(&pdev->dev, &charger->usb);
if (ret){
power_supply_unregister(&charger->ac);
power_supply_unregister(&charger->batt);
goto err_ps_register;
}
ret = axp_charger_create_attrs(&charger->batt);
if(ret){
printk("cat notaxp_charger_create_attrs!!!===\n ");
return ret;
}
platform_set_drvdata(pdev, charger);
axp_charger_update_state((struct axp_charger *)charger);
axp_read(charger->master, AXP81X_CAP,&val);
spin_lock(&charger->charger_lock);
charger->rest_vol = (int) (val & 0x7F);
spin_unlock(&charger->charger_lock);
printk("now_rest_vol = %d\n",(val & 0x7F));
spin_lock(&charger->charger_lock);
charger->interval = msecs_to_jiffies(10 * 1000);
spin_unlock(&charger->charger_lock);
INIT_DELAYED_WORK(&charger->work, axp_charging_monitor);
schedule_delayed_work(&charger->work, charger->interval);
ret = axp_irq_init(charger, pdev);
if(ret){
printk("cat notaxp_charger_create_attrs!!!===\n ");
return ret;
}
axp_charger = charger;
#ifdef CONFIG_HAS_EARLYSUSPEND
axp_early_suspend.suspend = axp_earlysuspend;
axp_early_suspend.resume = axp_lateresume;
axp_early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 2;
register_early_suspend(&axp_early_suspend);
#endif
class_register(&axppower_class);
return ret;
err_ps_register:
axp81x_exit(charger);
cancel_delayed_work_sync(&charger->work);
kfree(charger);
return ret;
}
static int axp_battery_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
struct axp_charger *charger;
int ret = 0;
charger = container_of(psy, struct axp_charger, batt);
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
axp_battery_check_status(charger, val);
break;
case POWER_SUPPLY_PROP_HEALTH:
axp_battery_check_health(charger, val);
break;
case POWER_SUPPLY_PROP_TECHNOLOGY:
val->intval = charger->battery_info->technology;
break;
case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
val->intval = charger->battery_info->voltage_max_design;
break;
case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
val->intval = charger->battery_info->voltage_min_design;
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
//val->intval = charger->ocv * 1000;
val->intval = charger->vbat * 1000;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
val->intval = charger->ibat * 1000;
break;
case POWER_SUPPLY_PROP_MODEL_NAME:
val->strval = charger->batt.name;
break;
case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
val->intval = charger->battery_info->energy_full_design;
// DBG_PSY_MSG("POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:%d\n",val->intval);
break;
case POWER_SUPPLY_PROP_CAPACITY:
val->intval = charger->rest_vol;
break;
case POWER_SUPPLY_PROP_ONLINE:
{
/* in order to get hardware state, we must update charger state now.
* by sunny at 2012-12-23 11:06:15.
*/
axp_charger_update_state(charger);
val->intval = charger->bat_current_direction;
if (charger->bat_temp > 50 || -5 < charger->bat_temp)
val->intval = 0;
break;
}
case POWER_SUPPLY_PROP_PRESENT:
val->intval = charger->bat_det;
break;
case POWER_SUPPLY_PROP_TEMP:
val->intval = charger->bat_temp * 10;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}