static int bq_bci_battery_suspend(struct platform_device *pdev,pm_message_t state)
{
struct bq_bci_device_info *di = platform_get_drvdata(pdev);
if (di == NULL) {
dev_err(&pdev->dev, "di is NULL!\n");
return -ENODEV;
}
suspend_capacity = hisi_battery_capacity();
cancel_delayed_work(&di->bq_bci_monitor_work);
return 0;
}
/**********************************************************
* Function: charge_core_get_params
* Discription: update update the charge parameters
* Parameters: NULL
* return value: charge parameters
**********************************************************/
struct charge_core_data *charge_core_get_params(void)
{
struct charge_core_info *di = g_core_info;
int tbatt = hisi_battery_temperature();
int vbatt = hisi_battery_voltage();
int cbatt = hisi_battery_capacity();
charge_core_tbatt_handler(tbatt,di->temp_para,&di->data);
charge_core_vbatt_handler(vbatt,di->volt_para,&di->data);
charge_core_cbatt_handler(cbatt,di->vdpm_para,&di->data);
charge_core_sbatt_handler(vbatt,di->segment_para,&di->data);
charge_core_protect_inductance_handler(cbatt,di->inductance_para,&di->data);
return &di->data;
}
static int bq_bci_battery_resume(struct platform_device *pdev)
{
struct bq_bci_device_info *di = platform_get_drvdata(pdev);
int i = 0, resume_capacity = 0;
if (di == NULL) {
dev_err(&pdev->dev, "di is NULL!\n");
return -ENODEV;
}
resume_capacity = hisi_battery_capacity();
if(di->charge_status == POWER_SUPPLY_STATUS_DISCHARGING
|| di->charge_status == POWER_SUPPLY_STATUS_NOT_CHARGING) {
if ((suspend_capacity - resume_capacity)>=2) {
capacity_sum = 0;
for(i=0;i<WINDOW_LEN;i++) {
capacity_filter[i] = resume_capacity;
capacity_sum += capacity_filter[i];
}
}
}
schedule_delayed_work(&di->bq_bci_monitor_work, 0);
return 0;
}
static int bq_bci_battery_probe(struct platform_device *pdev)
{
struct bq_bci_device_info *di;
struct battery_charge_param_s param;
int low_bat_flag = 0;
int ret = 0;
unsigned int i = 0;
di = kzalloc(sizeof(*di), GFP_KERNEL);
if (!di)
return -ENOMEM;
g_bq_bci_dev = di;
ret = hisi_battery_charge_param(¶m);
if(!ret){
param.max_voltagemV = 4200;
}
di->bat_max_volt = param.max_voltagemV;
di->monitoring_interval = NORMAL_SAMPLE_INTERVAL;
di->dev = &pdev->dev;
di->bat.name = "Battery";
di->bat.supplied_to = bq_bci_supplied_to;
di->bat.num_supplicants = ARRAY_SIZE(bq_bci_supplied_to);
di->bat.type = POWER_SUPPLY_TYPE_BATTERY;
di->bat.properties = bq_bci_battery_props;
di->bat.num_properties = ARRAY_SIZE(bq_bci_battery_props);
di->bat.get_property = bq_bci_battery_get_property;
di->bat_health = POWER_SUPPLY_HEALTH_GOOD;
di->bat_exist = is_hisi_battery_exist();
di->bat_err = 0;
di->usb.name = "USB";
di->usb.type = POWER_SUPPLY_TYPE_USB;
di->usb.properties = bq_usb_props;
di->usb.num_properties = ARRAY_SIZE(bq_usb_props);
di->usb.get_property = bq_usb_get_property;
di->power_supply_status = POWER_SUPPLY_HEALTH_GOOD;
di->ac.name = "Mains";
di->ac.type = POWER_SUPPLY_TYPE_MAINS;
di->ac.properties = bq_ac_props;
di->ac.num_properties = ARRAY_SIZE(bq_ac_props);
di->ac.get_property = bq_ac_get_property;
di->charge_status = POWER_SUPPLY_STATUS_DISCHARGING;
di->bk_bat.name = "bq_bk_battery";
di->bk_bat.type = POWER_SUPPLY_TYPE_UPS;
di->bk_bat.properties = bq_bk_bci_battery_props;
di->bk_bat.num_properties = ARRAY_SIZE(bq_bk_bci_battery_props);
di->bk_bat.get_property = bq_bk_bci_battery_get_property;
di->capacity = -1;
di->capacity_filter_count = 0;
di->charge_full_count = 0;
for(i=0;i<WINDOW_LEN;i++) {
capacity_filter[i] = hisi_battery_capacity();
capacity_sum += capacity_filter[i];
}
bq_get_battery_info(di);
platform_set_drvdata(pdev, di);
wake_lock_init(&low_power_lock, WAKE_LOCK_SUSPEND, "low_power_wake_lock");
low_bat_flag = is_hisi_battery_reach_threshold();
if(( low_bat_flag & BQ27510_FLAG_LOCK ) == BQ27510_FLAG_LOCK) {
wake_lock(&low_power_lock);
is_low_power_locked = 1;
}
ret = power_supply_register(&pdev->dev, &di->bat);
if (ret) {
dev_dbg(&pdev->dev, "failed to register main battery\n");
goto batt_failed;
}
ret = power_supply_register(&pdev->dev, &di->usb);
if (ret) {
dev_dbg(&pdev->dev, "failed to register usb power supply\n");
goto usb_failed;
}
ret = power_supply_register(&pdev->dev, &di->ac);
if (ret) {
dev_dbg(&pdev->dev, "failed to register ac power supply\n");
goto ac_failed;
}
ret = power_supply_register(&pdev->dev, &di->bk_bat);
if (ret) {
dev_dbg(&pdev->dev, "failed to register backup battery\n");
goto bk_batt_failed;
}
INIT_DELAYED_WORK(&di->bq_bci_monitor_work,
bq_bci_battery_work);
schedule_delayed_work(&di->bq_bci_monitor_work, 0);
di->nb.notifier_call = bq_charger_event;
bq_register_notifier(&di->nb, 1);
dev_err(&pdev->dev, "bq_bci probe ok!\n");
if (!battery_dclient) {
battery_dclient = dsm_register_client(&dsm_battery);
}
return 0;
bk_batt_failed:
cancel_delayed_work(&di->bq_bci_monitor_work);
power_supply_unregister(&di->ac);
ac_failed:
power_supply_unregister(&di->usb);
usb_failed:
power_supply_unregister(&di->bat);
batt_failed:
wake_lock_destroy(&low_power_lock);
platform_set_drvdata(pdev, NULL);
kfree(di);
di = NULL;
return ret;
}
int bq_get_error_info(struct bq_bci_device_info *di)
{
static int pre_bat_err =0, archive_state = 1;
static unsigned long timeout_jiffies = 0;
static int first_in = 1;
static int pre_uf_capacity = 0;
static int pre_capacity = 0;
static int capacity_stay_count = 0;
static int online_delay_count = 0;
int bat_uf_capacity = 0;
int curr_by_coultype = 1;
int dsm_bci_battery_err_offset = 0;
if (COUL_HISI_HI6421V300 == hisi_coulometer_type())
curr_by_coultype = -1;
di->bat_err = 0;
if(!is_hisi_battery_exist())
di->bat_err |= ERROR_BATT_NOT_EXIST;
if(hisi_battery_temperature()< BQ2419x_COLD_BATTERY_THRESHOLD
|| hisi_battery_temperature()>= BQ2419x_HOT_BATTERY_THRESHOLD)
{
if(di->charge_status == POWER_SUPPLY_STATUS_NOT_CHARGING)
di->bat_err |= ERROR_BATT_TEMP_STOP;
if(di->charge_status == POWER_SUPPLY_STATUS_CHARGING)
di->bat_err |= ERROR_BATT_TEMP_CHARGE;
di->bat_err |= ERROR_BATT_TEMP_OUT;
dev_info(di->dev,"batt temp = %d\n ", hisi_battery_temperature());
}
if(di->charge_status == POWER_SUPPLY_STATUS_NOT_CHARGING
&& !(bq2419x_get_factory_flag())) {
if(di->power_supply_status == POWER_SUPPLY_HEALTH_OVERVOLTAGE)
di->bat_err |= ERROR_VBUS_OVERVOLTAGE;
if(hisi_battery_voltage() > BATT_OVERVOLTAGE_THRES)
di->bat_err |= ERROR_BATT_OVERVOLTAGE;
di->bat_err |= ERROR_BATT_NOT_CHARGING;
} else {
if(hisi_battery_voltage() > BATT_OVERVOLTAGE_THRES
|| hisi_battery_voltage() < BATT_LOWVOLTAGE_THRES) {
di->bat_err |= ERROR_BATT_VOLTAGE;
dev_info(di->dev,"batt volt = %d\n ", hisi_battery_voltage());
}
}
if(di->chargedone_stat && hisi_battery_capacity() <= CHG_CANT_FULL_THRESHOLD){
di->bat_err |= ERROR_PRE_CHARGEDONE;
dev_info(di->dev,"batt capacity = %d\n ", hisi_battery_capacity());
}
if(di->charge_status == POWER_SUPPLY_STATUS_CHARGING
&& hisi_battery_current_avg() <= 50
&& hisi_battery_current_avg() >= 10
&& (curr_by_coultype*hisi_battery_current()) <= 50
&& (curr_by_coultype*hisi_battery_current()) >= 10
&& di->capacity == 100) {
di->bat_err |= ERROR_NO_CHARGEDONE;
dev_info(di->dev,"batt curr = %d batt curr_avg = %d\n ",
(curr_by_coultype*hisi_battery_current()), hisi_battery_current_avg());
}
if((!di->usb_online) && (!di->ac_online)){
if((-hisi_battery_current() > 0) && (online_delay_count++ == 1)){
di->bat_err |= ERROR_BAD_CURR_SENSOR;
online_delay_count = 0;
dev_info(di->dev,"batt curr = %d\n ", (-hisi_battery_current()));
}
} else {
online_delay_count = 0;
}
bat_uf_capacity = hisi_battery_unfiltered_capacity();
if(first_in){
pre_uf_capacity = bat_uf_capacity;
pre_capacity = di->capacity;
first_in = 0;
} else {
if (abs(pre_uf_capacity - bat_uf_capacity) >= 3) {
if (100 != bat_uf_capacity) {
di->bat_err |= ERROR_UFCAPCITY_DEBOUNCE_OTHER;
}
else {
if (abs(pre_uf_capacity - bat_uf_capacity) > 10)
di->bat_err |= ERROR_UFCAPCITY_DEBOUNCE_100;
}
hisi_hi6421v300_print_cc_reg(2); //debug
}
pre_uf_capacity = bat_uf_capacity;
}
if(di->charge_status == POWER_SUPPLY_STATUS_NOT_CHARGING
|| di->charge_status == POWER_SUPPLY_STATUS_DISCHARGING) {
if(pre_capacity > 0 && di->capacity != pre_capacity) {
if(di->capacity > REACH_FULL_RESAMPLE_THRESHOLD) {
if(capacity_stay_count <= 2) {
di->bat_err |= ERROR_CAPACITY_CHANGE_FAST;
capacity_stay_count = 0;
}
} else if (di->capacity < REACH_EMPTY_RESAMPLE_THRESHOLD) {
if(capacity_stay_count <= 12) {
di->bat_err |= ERROR_CAPACITY_CHANGE_FAST;
capacity_stay_count = 0;
}
} else {
if(capacity_stay_count <= 6) {
di->bat_err |= ERROR_CAPACITY_CHANGE_FAST;
capacity_stay_count = 0;
}
}
capacity_stay_count = 0;
} else {
capacity_stay_count++;
}
}
pre_capacity = di->capacity;
if (is_hisi_hi6421v300_fcc_debounce()) {
di->bat_err |= ERROR_FCC_DEBOUNCE;
}
if(di->bat_err != pre_bat_err && archive_state == 1){
timeout_jiffies = jiffies + msecs_to_jiffies(LOG_ARCH_DELAY_TIME);
archive_state = 0;
dev_info(di->dev,"(%s) BATT ERR = %x\n", hisi_battery_brand(), di->bat_err);
}
pre_bat_err = di->bat_err;
if(time_is_before_jiffies(timeout_jiffies) && di->bat_err != 0x0 && archive_state == 0){
//bq_log_exception_archive(di->bat_err);
if (dsm_client_ocuppy(battery_dclient)) {
dsm_client_record(battery_dclient, "battery error = %x.\n", di->bat_err);
dsm_bci_battery_err_offset = get_bit(di->bat_err);
dsm_client_notify(battery_dclient, DSM_BATTERY_ERROR_NO + dsm_bci_battery_err_offset);
}
archive_state = 1;
}
return di->bat_err;
}
static int capacity_changed(struct bq_bci_device_info *di)
{
int curr_capacity = 0;
int low_bat_flag = is_hisi_battery_reach_threshold();
di->bat_exist = is_hisi_battery_exist();
/* if battery is not present we assume it is on battery simulator
* if we are in factory mode, BAT FW is not updated yet, we use volt2Capacity
*/
if ((!di->bat_exist) || (is_fake_battery) ||
(strstr(saved_command_line, "androidboot.swtype=factory") && (COUL_BQ27510 == hisi_coulometer_type()))
){
curr_capacity = calc_capacity_from_voltage();
} else {
curr_capacity = hisi_battery_capacity();
}
if((low_bat_flag & BQ27510_FLAG_LOCK) != BQ27510_FLAG_LOCK && is_low_power_locked){
wake_unlock(&low_power_lock);
is_low_power_locked = 0;
}
/* Debouncing of power on init. */
if (di->capacity == -1) {
di->capacity = curr_capacity;
di->prev_capacity = curr_capacity;
return 1;
}
if (modem_off) {
dev_info(di->dev," modem off so shut down AP and curr_capacity = %d \n", curr_capacity);
di->capacity = 0;
return 1;
}
/*Only availability if the capacity changed*/
if (curr_capacity != di->prev_capacity) {
if (abs(di->prev_capacity -curr_capacity) >= CHG_ODD_CAPACITY){
dev_info(di->dev,"prev_capacity = %d \n"
"curr_capacity = %d \n" "curr_voltage = %d \n",
di->prev_capacity, curr_capacity,hisi_battery_voltage());
}
}
if (curr_capacity < 2 )
{
int battery_volt;
battery_volt = hisi_battery_voltage();
if (battery_volt < BAT_VOL_3500)
{
di->capacity = curr_capacity;
return 1;
}
dev_err(di->dev, "error capacity reported, capacity = %d\n", curr_capacity);
return 0;
}
switch(di->charge_status) {
case POWER_SUPPLY_STATUS_CHARGING:
curr_capacity = bq_force_full_timer(curr_capacity,di);
break;
case POWER_SUPPLY_STATUS_FULL:
if(hisi_battery_current_avg() >= 0){
if(hisi_battery_voltage() >= (di->bat_max_volt-RECHG_PROTECT_THRESHOLD)){
curr_capacity = 100;
dev_info(di->dev,"Force soc=100\n");
}
}
di->charge_full_count = 0;
break;
case POWER_SUPPLY_STATUS_DISCHARGING:
case POWER_SUPPLY_STATUS_NOT_CHARGING:
/*capacity-count will always decrease when discharging || notcharging*/
if(di->prev_capacity < curr_capacity)
return 0;
di->charge_full_count = 0;
break;
default:
dev_err(di->dev, "%s defualt run.\n", __func__);
break;
}
/*change monitoring interval from 10s to 30s when capacity greater than 90%*/
if(curr_capacity > REACH_FULL_RESAMPLE_THRESHOLD) {
di->monitoring_interval = REACH_FULL_SAMPLE_INTERVAL;
} else if(curr_capacity < REACH_EMPTY_RESAMPLE_THRESHOLD) {
di->monitoring_interval = REACH_EMPTY_SAMPLE_INTERVAL;
} else {
di->monitoring_interval = NORMAL_SAMPLE_INTERVAL;
}
/*filter*/
curr_capacity = bq_capacity_pulling_filter(curr_capacity,di);
if(di->prev_capacity == curr_capacity)
return 0;
dev_info(di->dev,"Capacity Updated = %d, charge_full_count = %d, charge_status = %d\n",
curr_capacity, di->charge_full_count, di->charge_status);
di->capacity = curr_capacity;
di->prev_capacity = curr_capacity;
return 1;
}