/*di->enable_ce = 0,charger enable and display charging status di->enable_ce = 1 or USB supply fault,charger disable and display not charging status*/ static void bq2416x__charge_status(struct bq2416x_device_info *di) { long int events=BQ2416x_START_CHARGING; u8 read_reg[8] = {0}; int battery_capacity = 0; bq2416x_read_block(di, &read_reg[0], 0, 2); if((read_reg[1] & BQ2416x_FAULT_VBUS_VUVLO) == BQ2416x_FAULT_VBUS_OVP){ dev_err(di->dev, " POWER_SUPPLY_OVERVOLTAGE = %x\n",read_reg[1]); events = POWER_SUPPLY_OVERVOLTAGE; blocking_notifier_call_chain(¬ifier_list, events, NULL); return; } if ((read_reg[0] & BQ2416x_VUSB_FAULT) == BQ2416x_CHARGING_FROM_USB){ events = BQ2416x_START_CHARGING; } else if((di->enable_ce == DISABLE_CE) || ((read_reg[0] & POWER_SUPPLY_STATE_FAULT) == POWER_SUPPLY_STATE_FAULT)){ dev_err(di->dev, " BQ2416x_NOT_CHARGING \n"); events = BQ2416x_NOT_CHARGING; } else if((read_reg[0] & BQ2416x_VUSB_FAULT) == BQ2416x_CHARGE_DONE){ 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)){ dev_info(di->dev, "charge_done_battery_capacity=%d\n",battery_capacity); di->hz_mode = 1; /*enable bq2416x charger high impedance mode*/ bq2416x_write_byte(di, di->control_reg | di->hz_mode, REG_CONTROL_REGISTER); di->hz_mode = 0; /*disable bq2416x charger high impedance mode*/ msleep(700); bq2416x_config_control_reg(di); events = BQ2416x_START_CHARGING; } else{ events = BQ2416x_CHARGE_DONE; } } else{ events=BQ2416x_START_CHARGING; dev_dbg(di->dev, "BQ2416x_START_CHARGING !\n"); } if(di->charger_source == POWER_SUPPLY_TYPE_BATTERY){ return; } blocking_notifier_call_chain(¬ifier_list, events, NULL); }
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; }