static int bq2416x_charger_event(struct notifier_block *nb, unsigned long event,
void *_data)
{
printk("%s,---->enter bq2416x_charger_event\n", __func__);
struct bq2416x_device_info *di;
struct charge_params *data;
u8 read_reg[8] = {0};
int ret = 0;
di = container_of(nb, struct bq2416x_device_info, nb);
data = &di->params;
di->cfg_params = 1;
if (event & BQ2416x_CHARGER_FAULT) {
bq2416x_read_block(di, &read_reg[0], 0, 8);
ret = read_reg[0] & 0x7F;
return ret;
}
if (data->enable == 0) {
di->currentmA = data->currentmA;
di->voltagemV = data->voltagemV;
di->enable_iterm = data->enable_iterm;
}
if ((event & BQ2416x_DEFAULT_USB_CHARGING ) && (di->active == 0)) {
di->cin_limit = 500;
bq2416x_config_control_reg(di);
bq2416x_config_voltage_reg(di);
bq2416x_config_current_reg(di);
bq2416x_config_dppm_voltage_reg(di,di->dppm_voltagemV);
schedule_delayed_work(&di->bq2416x_charger_work,
msecs_to_jiffies(0));
di->active = 1;
}
if ((event & BQ2416x_START_AC_CHARGING) && (di->active == 0)) {
di->cin_limit = 1000;
bq2416x_config_control_reg(di);
bq2416x_config_voltage_reg(di);
bq2416x_config_current_reg(di);
bq2416x_config_dppm_voltage_reg(di,di->dppm_voltagemV);
printk("%s, charging with VAC\n", __func__);
schedule_delayed_work(&di->bq2416x_charger_work,
msecs_to_jiffies(0));
di->active = 1;
}
if ((event & BQ2416x_START_USB_CHARGING) && (di->active == 0)) {
di->cin_limit = 500;
bq2416x_config_control_reg(di);
bq2416x_config_voltage_reg(di);
bq2416x_config_current_reg(di);
bq2416x_config_dppm_voltage_reg(di,di->dppm_voltagemV);
printk("%s, charging with USB\n", __func__);
schedule_delayed_work(&di->bq2416x_charger_work,
msecs_to_jiffies(0));
di->active = 1;
}
if (event & BQ2416x_STOP_CHARGING) {
cancel_delayed_work(&di->bq2416x_charger_work);
di->active = 0;
}
if (event & BQ2416x_RESET_TIMER) {
/* reset 32 second timer */
bq2416x_config_status_reg(di);
}
return ret;
}
static int __devinit bq2416x_charger_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct bq2416x_device_info *di;
struct bq2416x_platform_data *pdata = client->dev.platform_data;
int ret;
u8 read_reg = 0;
enum plugin_status plugin_stat;
di = kzalloc(sizeof(*di), GFP_KERNEL);
if (!di)
return -ENOMEM;
di->dev = &client->dev;
di->client = client;
i2c_set_clientdata(client, di);
ret = bq2416x_read_byte(di, &read_reg, REG_PART_REVISION);
if (ret < 0) {
dev_err(&client->dev, "chip not present at address %x\n",
client->addr);
ret = -EINVAL;
goto err_kfree;
}
#if 0
if ((read_reg & 0x18) == 0x00 && (client->addr == 0x6a))
di->bqchip_version = BQ24156;
#endif
if ((read_reg & 0x18) == 0x00 && (client->addr == 0x6b))
di->bqchip_version = BQ24161;
if (di->bqchip_version == 0) {
dev_dbg(&client->dev, "unknown bq chip\n");
dev_dbg(&client->dev, "Chip address %x", client->addr);
dev_dbg(&client->dev, "bq chip version reg value %x", read_reg);
ret = -EINVAL;
goto err_kfree;
}
// di->nb.notifier_call = bq2416x_charger_event;
#if 0
bq2415x_config_safety_reg(di, pdata->max_charger_currentmA,
pdata->max_charger_voltagemV);
di->cin_limit = 900;
di->term_currentmA = pdata->termination_currentmA;
bq2415x_config_control_reg(di);
bq2415x_config_voltage_reg(di);
bq2415x_config_current_reg(di);
#endif
/*set gpio_174 to control CD pin to disable/enable bq24161 IC*/
gpio_request(BQ2416X_GPIO_174, "gpio_174_cd");
/* set charger CD pin to low level and enable it to supply power normally*/
gpio_direction_output(BQ2416X_GPIO_174, 0);
ret = bq2416x_get_max_charge_voltage(di);
if(!ret){
di->max_voltagemV = pdata->max_charger_voltagemV;
}
di->voltagemV = di->max_voltagemV;
ret = bq2416x_get_max_charge_current(di);
if(!ret){
di->max_currentmA = pdata->max_charger_currentmA;
}
di->currentmA = CURRENT_USB_CHARGE_IN ;
di->term_currentmA = CURRENT_TERM_CHARGE_IN;
di->dppm_voltagemV = VOLT_DPPM_ADJUST;
di->cin_limit = CURRENT_USB_LIMIT_IN;
di->enable_hotcold_temp_charge = set_one;
di->enable_low_chg = DISABLE_LOW_CHG;/*set normally charge mode*/
di->enable_iterm = ENABLE_ITERM; /*enable charge current termination*/
di->factory_flag = 0;
di->enable_ce = ENABLE_CE;
di->hz_mode = 0;
di->cd_active = 0;
INIT_DELAYED_WORK_DEFERRABLE(&di->bq2416x_charger_work,
bq2416x_charger_work);
#if BQ2416X_USE_WAKE_LOCK
wake_lock_init(&di->charger_wake_lock, WAKE_LOCK_SUSPEND, "charger_wake_lock");
#endif
//BLOCKING_INIT_NOTIFIER_HEAD(¬ifier_list);
di->active = 0;
di->params.enable = 1;
di->cfg_params = 1;
bq2416x_config_control_reg(di);
bq2416x_config_voltage_reg(di);
bq2416x_config_current_reg(di);
bq2416x_config_dppm_voltage_reg(di,di->dppm_voltagemV);
bq2416x_config_safety_reg(di);
#if 0
ret = bq2416x_read_byte(di, &read_reg, REG_SPECIAL_CHARGER_VOLTAGE);
if (!(read_reg & 0x08)) {
di->active = 1;
schedule_delayed_work(&di->bq2415x_charger_work, 0);
}
#endif
ret = sysfs_create_group(&client->dev.kobj, &bq2416x_attr_group);
if (ret)
dev_dbg(&client->dev, "could not create sysfs files\n");
//twl6030_register_notifier(&di->nb, 1);
INIT_WORK(&di->usb_work, bq2416x_usb_charger_work);
//r00186667, 2011/08/02, otg register for receive USB/AC plugin event.begin
di->nb_otg.notifier_call = bq2416x_usb_notifier_call;
di->otg = otg_get_transceiver();
ret = otg_register_notifier(di->otg, &di->nb_otg);
if (ret)
dev_err(&client->dev, "otg register notifier failed %d\n", ret);
//r00186667, 2011/08/02, otg register for receive USB/AC plugin event.end
//r00186667, 2011/08/02, get the boot event type.begin
plugin_stat = get_plugin_device_status();
if( PLUGIN_USB_CHARGER == plugin_stat){
di->event = USB_EVENT_VBUS;
}else if (PLUGIN_AC_CHARGER == plugin_stat){
di->event = USB_EVENT_CHARGER;
}else{
di->event = USB_EVENT_NONE;
}
schedule_work(&di->usb_work);
//r00186667, 2011/08/02, get the boot event type.end
return 0;
err_kfree:
kfree(di);
return ret;
}
static int __devinit bq2416x_charger_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct bq2416x_device_info *di;
struct bq2416x_platform_data *pdata = client->dev.platform_data;
int ret;
u8 read_reg = 0;
enum plugin_status plugin_stat;
di = kzalloc(sizeof(*di), GFP_KERNEL);
if (!di)
return -ENOMEM;
di->dev = &client->dev;
di->client = client;
i2c_set_clientdata(client, di);
ret = bq2416x_read_byte(di, &read_reg, REG_PART_REVISION_REG04);
if (ret < 0) {
dev_err(&client->dev, "chip not present at address %x\n",
client->addr);
ret = -EINVAL;
goto err_kfree;
}
if ((read_reg & 0x18) == 0x00 && (client->addr == 0x6b))
di->bqchip_version = BQ24161;
if (di->bqchip_version == 0) {
dev_dbg(&client->dev, "unknown bq chip\n");
dev_dbg(&client->dev, "Chip address %x", client->addr);
dev_dbg(&client->dev, "bq chip version reg value %x", read_reg);
ret = -EINVAL;
goto err_kfree;
}
// di->nb.notifier_call = bq2416x_charger_event;
/*set gpio_174 to control CD pin to disable/enable bq24161 IC*/
gpio_request(ENABLE_BQ2416x_CHARGER, "gpio_174_cd");
/* set charger CD pin to low level and enable it to supply power normally*/
gpio_direction_output(ENABLE_BQ2416x_CHARGER, 0);
ret = bq2416x_get_max_charge_voltage(di);
if(!ret){
di->max_voltagemV = pdata->max_charger_voltagemV;
}
ret = bq2416x_get_max_charge_current(di);
if(!ret){
di->max_currentmA = pdata->max_charger_currentmA;
}
di->max_cin_currentmA = IINLIM_1000;
di->voltagemV = di->max_voltagemV;
di->currentmA = ICHG_MIN_550 ;
di->term_currentmA = ITERM_MIN_50;
di->dppm_voltagemV = VINDPM_MIN_4200;
di->cin_limit = IINLIM_500;
di->safety_timer = TMR_X_9;
di->enable_low_chg = DISABLE_LOW_CHG;/*set normally charge mode*/
di->enable_iterm = ENABLE_ITERM; /*enable charge current termination*/
di->supply_sel = SUPPLY_SEL_IN;
di->factory_flag = 0;
di->enable_ce = ENABLE_CHARGER;
di->hz_mode = DIS_HIZ;
di->cd_active = 0;
INIT_DELAYED_WORK_DEFERRABLE(&di->bq2416x_charger_work,
bq2416x_charger_work);
wake_lock_init(&di->charger_wake_lock, WAKE_LOCK_SUSPEND, "charger_wake_lock");
//BLOCKING_INIT_NOTIFIER_HEAD(¬ifier_list);
di->params.enable = 1;
di->cfg_params = 1;
bq2416x_config_control_reg(di);
bq2416x_config_voltage_reg(di);
bq2416x_config_current_reg(di);
bq2416x_config_dppm_voltage_reg(di,di->dppm_voltagemV);
bq2416x_config_safety_reg(di);
ret = sysfs_create_group(&client->dev.kobj, &bq2416x_attr_group);
if (ret)
dev_dbg(&client->dev, "could not create sysfs files\n");
//twl6030_register_notifier(&di->nb, 1);
INIT_WORK(&di->usb_work, bq2416x_usb_charger_work);
di->nb_otg.notifier_call = bq2416x_usb_notifier_call;
di->otg = otg_get_transceiver();
ret = otg_register_notifier(di->otg, &di->nb_otg);
if (ret)
dev_err(&client->dev, "otg register notifier failed %d\n", ret);
plugin_stat = get_plugin_device_status();
if( PLUGIN_USB_CHARGER == plugin_stat){
di->event = USB_EVENT_VBUS;
}else if (PLUGIN_AC_CHARGER == plugin_stat){
di->event = USB_EVENT_CHARGER;
}else{
di->event = USB_EVENT_NONE;
}
schedule_work(&di->usb_work);
return 0;
err_kfree:
kfree(di);
return ret;
}
