static void bq2416x_charger_update_status(struct bq2416x_device_info *di) { u8 read_reg[8] = {0}; timer_fault = 0; bq2416x_read_block(di, &read_reg[0], 0, 8); if ((read_reg[0] & 0x70) == 0x50) dev_dbg(di->dev, "CHARGE DONE\n"); if ((read_reg[0] & 0x7) == 0x4) timer_fault = 1; if (read_reg[0] & 0x7) { di->cfg_params = 1; dev_err(di->dev, "CHARGER STATUS = %x\n", read_reg[0]); } if ((read_reg[1] & 0x6) == 0x2) { di->hz_mode = 1; bq2416x_config_control_reg(di); bq2416x_write_byte(di, di->voltage_reg, REG_BATTERY_VOLTAGE); dev_err(di->dev, "battery ovp = %x,%x\n", read_reg[1],read_reg[3]); msleep(700); di->hz_mode = 0; bq2416x_config_control_reg(di); } if (is_bq27510_battery_exist(g_battery_measure_by_bq27510_device)){ bq2416x__charge_status(di); } if ((timer_fault == 1) || (di->cfg_params == 1)) { bq2416x_write_byte(di, di->control_reg, REG_CONTROL_REGISTER); bq2416x_write_byte(di, di->voltage_reg, REG_BATTERY_VOLTAGE); bq2416x_write_byte(di, di->current_reg, REG_BATTERY_CURRENT); bq2416x_write_byte(di, di->dppm_reg, REG_DPPM_VOLTAGE); bq2416x_config_safety_reg(di); di->cfg_params = 0; } /* reset 32 second timer */ bq2416x_config_status_reg(di); return; }
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 void bq2416x_charger_update_status(struct bq2416x_device_info *di) { u8 read_reg[8] = {0}; long int events=BQ2416x_START_CHARGING; static int battery_capacity = 0; di->timer_fault = 0; bq2416x_read_block(di, &read_reg[0], 0, 8); if((read_reg[1] & BQ2416x_FAULT_VBUS_VUVLO) == BQ2416x_FAULT_VBUS_OVP){ dev_err(di->dev, "bq2416x charger over voltage = %x\n",read_reg[1]); events = POWER_SUPPLY_OVERVOLTAGE; blocking_notifier_call_chain(¬ifier_list, events, NULL); } if ((read_reg[0] & BQ2416x_CHARGE_FAULT) == BQ2416x_STATUS_CHARGE_DONE){ dev_dbg(di->dev, "CHARGE DONE\n"); battery_capacity = bq27510_battery_capacity(g_battery_measure_by_bq27510_device); if (((!is_bq27510_battery_full(g_battery_measure_by_bq27510_device))||(battery_capacity!=100))&& (di->battery_present)){ dev_info(di->dev, "charge_done_battery_capacity=%d\n",battery_capacity); di->hz_mode = EN_HIZ; bq2416x_write_byte(di, di->control_reg02 | di->hz_mode, REG_CONTROL_REGISTER_REG02); msleep(500); di->hz_mode = DIS_HIZ; bq2416x_config_control_reg(di); events = BQ2416x_START_CHARGING; }else{ events = BQ2416x_CHARGE_DONE; } blocking_notifier_call_chain(¬ifier_list, events, NULL); } if ((read_reg[0] & BQ2416x_FAULT_BATTERY) == BQ2416x_FAULT_WATCHDOG_TIMER){ di->timer_fault = 1; } if ((read_reg[0] & BQ2416x_FAULT_BATTERY) == BQ2416x_FAULT_SAFETY_TIMER) di->timer_fault = 1; if (read_reg[0] & BQ2416x_FAULT_BATTERY) { di->cfg_params = 1; dev_err(di->dev, "CHARGER STATUS %x\n", read_reg[0]); } if ((read_reg[1] & 0x6) == BQ2416x_FAULT_BAT_OVP) { gpio_set_value(ENABLE_BQ2416x_CHARGER, 1); dev_err(di->dev, "battery ovp = %x,%x\n", read_reg[1],read_reg[3]); msleep(1000); gpio_set_value(ENABLE_BQ2416x_CHARGER, 0); } if ((di->timer_fault == 1) || (di->cfg_params == 1)) { bq2416x_write_byte(di, di->control_reg02, REG_CONTROL_REGISTER_REG02); bq2416x_write_byte(di, di->voltage_reg03, REG_BATTERY_VOLTAGE_REG03); bq2416x_write_byte(di, di->current_reg05, REG_BATTERY_CURRENT_REG05); bq2416x_write_byte(di, di->dppm_reg06, REG_DPPM_VOLTAGE_REG06); bq2416x_config_safety_reg(di); di->cfg_params = 0; } /* reset 32 second timer */ bq2416x_config_status_reg(di); return; }