254 static int sgm4154x_set_term_curr(struct sgm4154x_device *sgm, int uA)  in sgm4154x_set_term_curr()  argument
266 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_set_term_curr()
271 		dev_err(sgm->dev, "set term current error!\n");  in sgm4154x_set_term_curr()
276 static int sgm4154x_set_prechrg_curr(struct sgm4154x_device *sgm, int uA)  in sgm4154x_set_prechrg_curr()  argument
289 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_set_prechrg_curr()
294 		dev_err(sgm->dev, "set precharge current error!\n");  in sgm4154x_set_prechrg_curr()
299 static int sgm4154x_set_ichrg_curr(struct sgm4154x_device *sgm, int uA)  in sgm4154x_set_ichrg_curr()  argument
307 		if ((sgm->init_data.max_ichg > 0) && (uA > sgm->init_data.max_ichg))  in sgm4154x_set_ichrg_curr()
308 			uA = sgm->init_data.max_ichg;  in sgm4154x_set_ichrg_curr()
314 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_set_ichrg_curr()
319 		dev_err(sgm->dev, "set icharge current error!\n");  in sgm4154x_set_ichrg_curr()
324 static int sgm4154x_set_chrg_volt(struct sgm4154x_device *sgm, int chrg_volt)  in sgm4154x_set_chrg_volt()  argument
332 		if ((sgm->init_data.max_vreg > 0) && (chrg_volt > sgm->init_data.max_vreg))  in sgm4154x_set_chrg_volt()
333 			chrg_volt = sgm->init_data.max_vreg;  in sgm4154x_set_chrg_volt()
341 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_set_chrg_volt()
346 		dev_err(sgm->dev, "set charge voltage error!\n");  in sgm4154x_set_chrg_volt()
351 static int sgm4154x_set_vindpm_offset_os(struct sgm4154x_device *sgm,  in sgm4154x_set_vindpm_offset_os()  argument
356 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_set_vindpm_offset_os()
362 		dev_err(sgm->dev, "set vindpm offset os error!\n");  in sgm4154x_set_vindpm_offset_os()
367 static int sgm4154x_set_input_volt_lim(struct sgm4154x_device *sgm,  in sgm4154x_set_input_volt_lim()  argument
394 	ret = sgm4154x_set_vindpm_offset_os(sgm, os_val);  in sgm4154x_set_input_volt_lim()
396 		dev_err(sgm->dev, "set vin dpm error!\n");  in sgm4154x_set_input_volt_lim()
402 	ret = regmap_update_bits(sgm->regmap, SGM4154x_CHRG_CTRL_6,  in sgm4154x_set_input_volt_lim()
405 		dev_err(sgm->dev, "input voltage error!\n");  in sgm4154x_set_input_volt_lim()
412 static int sgm4154x_set_input_curr_lim(struct sgm4154x_device *sgm, int iindpm)  in sgm4154x_set_input_curr_lim()  argument
420 	if ((iindpm > SGM4154x_IINDPM_I_MAX_uA) || (iindpm > sgm->init_data.ilim))  in sgm4154x_set_input_curr_lim()
421 		iindpm = min(SGM4154x_IINDPM_I_MAX_uA, sgm->init_data.ilim);  in sgm4154x_set_input_curr_lim()
423 	sgm->input_current = iindpm;  in sgm4154x_set_input_curr_lim()
426 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_set_input_curr_lim()
431 		dev_err(sgm->dev, "set input current limit error!\n");  in sgm4154x_set_input_curr_lim()
436 static int sgm4154x_get_input_curr_lim(struct sgm4154x_device *sgm)  in sgm4154x_get_input_curr_lim()  argument
441 	ret = regmap_read(sgm->regmap, SGM4154x_CHRG_CTRL_0, &ilim);  in sgm4154x_get_input_curr_lim()
443 		dev_err(sgm->dev, "get input current limit error!\n");  in sgm4154x_get_input_curr_lim()
454 static int sgm4154x_watchdog_timer_reset(struct sgm4154x_device *sgm)  in sgm4154x_watchdog_timer_reset()  argument
458 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_watchdog_timer_reset()
464 		dev_err(sgm->dev, "set watchdog timer error!\n");  in sgm4154x_watchdog_timer_reset()
469 static int sgm4154x_set_watchdog_timer(struct sgm4154x_device *sgm, int time)  in sgm4154x_set_watchdog_timer()  argument
483 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_set_watchdog_timer()
489 		dev_err(sgm->dev, "set watchdog timer error!\n");  in sgm4154x_set_watchdog_timer()
495 		if (!sgm->watchdog_enable)  in sgm4154x_set_watchdog_timer()
496 			queue_delayed_work(sgm->sgm_monitor_wq,  in sgm4154x_set_watchdog_timer()
497 					   &sgm->sgm_delay_work,  in sgm4154x_set_watchdog_timer()
499 		sgm->watchdog_enable = true;  in sgm4154x_set_watchdog_timer()
502 		sgm->watchdog_enable = false;  in sgm4154x_set_watchdog_timer()
503 		sgm4154x_watchdog_timer_reset(sgm);  in sgm4154x_set_watchdog_timer()
509 static int sgm4154x_enable_charger(struct sgm4154x_device *sgm)  in sgm4154x_enable_charger()  argument
513 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_enable_charger()
518 		dev_err(sgm->dev, "enable charger error!\n");  in sgm4154x_enable_charger()
523 static int sgm4154x_disable_charger(struct sgm4154x_device *sgm)  in sgm4154x_disable_charger()  argument
527 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_disable_charger()
532 		dev_err(sgm->dev, "disable charger error!\n");  in sgm4154x_disable_charger()
537 static int sgm4154x_set_vac_ovp(struct sgm4154x_device *sgm)  in sgm4154x_set_vac_ovp()  argument
544 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_set_vac_ovp()
549 		dev_err(sgm->dev, "set vac ovp error!\n");  in sgm4154x_set_vac_ovp()
554 static int sgm4154x_set_recharge_volt(struct sgm4154x_device *sgm, int recharge_volt)  in sgm4154x_set_recharge_volt()  argument
561 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_set_recharge_volt()
566 		dev_err(sgm->dev, "set recharger error!\n");  in sgm4154x_set_recharge_volt()
571 static int sgm4154x_get_state(struct sgm4154x_device *sgm,  in sgm4154x_get_state()  argument
579 	ret = regmap_read(sgm->regmap, SGM4154x_CHRG_STAT, &chrg_stat);  in sgm4154x_get_state()
592 	ret = regmap_read(sgm->regmap, SGM4154x_CHRG_FAULT, &fault);  in sgm4154x_get_state()
602 	ret = regmap_read(sgm->regmap, SGM4154x_CHRG_CTRL_0, &chrg_param_0);  in sgm4154x_get_state()
610 	ret = regmap_read(sgm->regmap, SGM4154x_CHRG_CTRL_5, &chrg_param_1);  in sgm4154x_get_state()
618 	ret = regmap_read(sgm->regmap, SGM4154x_CHRG_CTRL_a, &chrg_param_2);  in sgm4154x_get_state()
659 	struct sgm4154x_device *sgm = power_supply_get_drvdata(psy);  in sgm4154x_charger_set_property()  local
665 			ret = sgm4154x_enable_charger(sgm);  in sgm4154x_charger_set_property()
666 			sgm4154x_set_watchdog_timer(sgm, SGM4154x_WDT_TIMER_40S);  in sgm4154x_charger_set_property()
668 			sgm4154x_set_watchdog_timer(sgm, 0);  in sgm4154x_charger_set_property()
669 			ret = sgm4154x_disable_charger(sgm);  in sgm4154x_charger_set_property()
674 		ret = sgm4154x_set_input_curr_lim(sgm, val->intval);  in sgm4154x_charger_set_property()
677 		ret = sgm4154x_set_ichrg_curr(sgm, val->intval);  in sgm4154x_charger_set_property()
680 		ret = sgm4154x_set_chrg_volt(sgm, val->intval);  in sgm4154x_charger_set_property()
694 	struct sgm4154x_device *sgm = power_supply_get_drvdata(psy);  in sgm4154x_charger_get_property()  local
698 	mutex_lock(&sgm->lock);  in sgm4154x_charger_get_property()
699 	ret = sgm4154x_get_state(sgm, &state);  in sgm4154x_charger_get_property()
701 		dev_err(sgm->dev, "get state error!\n");  in sgm4154x_charger_get_property()
702 		mutex_unlock(&sgm->lock);  in sgm4154x_charger_get_property()
705 	sgm->state = state;  in sgm4154x_charger_get_property()
706 	mutex_unlock(&sgm->lock);  in sgm4154x_charger_get_property()
755 		val->intval = sgm->init_data.max_vreg;  in sgm4154x_charger_get_property()
765 		 val->intval = sgm4154x_get_input_curr_lim(sgm);  in sgm4154x_charger_get_property()
907 static int sgm4154x_power_supply_init(struct sgm4154x_device *sgm,  in sgm4154x_power_supply_init()  argument
910 	struct power_supply_config psy_cfg = { .drv_data = sgm,  in sgm4154x_power_supply_init()
916 	sgm->charger = devm_power_supply_register(sgm->dev,  in sgm4154x_power_supply_init()
919 	if (IS_ERR(sgm->charger))  in sgm4154x_power_supply_init()
925 static int sgm4154x_hw_init(struct sgm4154x_device *sgm)  in sgm4154x_hw_init()  argument
930 	ret = power_supply_get_battery_info(sgm->charger, &bat_info);  in sgm4154x_hw_init()
946 		sgm->init_data.max_ichg =  in sgm4154x_hw_init()
948 		sgm->init_data.max_vreg = SGM4154x_VREG_V_DEF_uV;  in sgm4154x_hw_init()
962 	if (!sgm->init_data.max_ichg)  in sgm4154x_hw_init()
963 		sgm->init_data.max_ichg =  in sgm4154x_hw_init()
967 		sgm->init_data.max_vreg = bat_info.constant_charge_voltage_max_uv;  in sgm4154x_hw_init()
969 	ret = sgm4154x_set_watchdog_timer(sgm, 0);  in sgm4154x_hw_init()
974 	ret = sgm4154x_set_prechrg_curr(sgm, bat_info.precharge_current_ua);  in sgm4154x_hw_init()
978 	ret = sgm4154x_set_chrg_volt(sgm,  in sgm4154x_hw_init()
979 				     sgm->init_data.max_vreg);  in sgm4154x_hw_init()
983 	ret = sgm4154x_set_term_curr(sgm,  in sgm4154x_hw_init()
988 	ret = sgm4154x_set_input_volt_lim(sgm, sgm->init_data.vlim);  in sgm4154x_hw_init()
992 	ret = regmap_read(sgm->regmap, SGM4154x_CHRG_STAT, &chrg_stat);  in sgm4154x_hw_init()
999 		ret = sgm4154x_set_input_curr_lim(sgm, DEFAULT_INPUT_CURRENT);  in sgm4154x_hw_init()
1002 		ret = sgm4154x_set_ichrg_curr(sgm,  in sgm4154x_hw_init()
1007 		ret = sgm4154x_disable_charger(sgm);  in sgm4154x_hw_init()
1011 	ret = sgm4154x_set_vac_ovp(sgm);  in sgm4154x_hw_init()
1015 	regmap_update_bits(sgm->regmap,  in sgm4154x_hw_init()
1020 	regmap_update_bits(sgm->regmap,  in sgm4154x_hw_init()
1025 	regmap_update_bits(sgm->regmap,  in sgm4154x_hw_init()
1031 	ret = sgm4154x_set_recharge_volt(sgm, 200);  in sgm4154x_hw_init()
1044 	    sgm->init_data.ilim);  in sgm4154x_hw_init()
1052 static int sgm4154x_parse_dt(struct sgm4154x_device *sgm)  in sgm4154x_parse_dt()  argument
1056 	ret = device_property_read_u32(sgm->dev,  in sgm4154x_parse_dt()
1058 				       &sgm->init_data.vlim);  in sgm4154x_parse_dt()
1060 		sgm->init_data.vlim = SGM4154x_VINDPM_DEF_uV;  in sgm4154x_parse_dt()
1062 	if (sgm->init_data.vlim > SGM4154x_VINDPM_V_MAX_uV ||  in sgm4154x_parse_dt()
1063 	    sgm->init_data.vlim < SGM4154x_VINDPM_V_MIN_uV)  in sgm4154x_parse_dt()
1066 	ret = device_property_read_u32(sgm->dev,  in sgm4154x_parse_dt()
1068 				       &sgm->init_data.ilim);  in sgm4154x_parse_dt()
1070 		sgm->init_data.ilim = SGM4154x_IINDPM_DEF_uA;  in sgm4154x_parse_dt()
1072 	if (sgm->init_data.ilim > SGM4154x_IINDPM_I_MAX_uA ||  in sgm4154x_parse_dt()
1073 	    sgm->init_data.ilim < SGM4154x_IINDPM_I_MIN_uA)  in sgm4154x_parse_dt()
1079 static int sgm4154x_set_otg_voltage(struct sgm4154x_device *sgm, int uv)  in sgm4154x_set_otg_voltage()  argument
1095 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_set_otg_voltage()
1100 		dev_err(sgm->dev, "set otg voltage error!\n");  in sgm4154x_set_otg_voltage()
1107 static int sgm4154x_set_otg_current(struct sgm4154x_device *sgm, int ua)  in sgm4154x_set_otg_current()  argument
1112 		ret = regmap_update_bits(sgm->regmap,  in sgm4154x_set_otg_current()
1117 			dev_err(sgm->dev, "set boost current limit error!\n");  in sgm4154x_set_otg_current()
1121 		ret = regmap_update_bits(sgm->regmap,  in sgm4154x_set_otg_current()
1126 			dev_err(sgm->dev, "set boost current limit error!\n");  in sgm4154x_set_otg_current()
1136 	struct sgm4154x_device *sgm = rdev_get_drvdata(rdev);  in sgm4154x_enable_vbus()  local
1139 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_enable_vbus()
1144 		dev_err(sgm->dev, "set OTG enable error!\n");  in sgm4154x_enable_vbus()
1153 	struct sgm4154x_device *sgm = rdev_get_drvdata(rdev);  in sgm4154x_disable_vbus()  local
1156 	ret = regmap_update_bits(sgm->regmap,  in sgm4154x_disable_vbus()
1161 		dev_err(sgm->dev, "set OTG disable error!\n");  in sgm4154x_disable_vbus()
1170 	struct sgm4154x_device *sgm = rdev_get_drvdata(rdev);  in sgm4154x_is_enabled_vbus()  local
1174 	ret = regmap_read(sgm->regmap, SGM4154x_CHRG_CTRL_1, &temp);  in sgm4154x_is_enabled_vbus()
1176 		dev_err(sgm->dev, "get vbus status error!\n");  in sgm4154x_is_enabled_vbus()
1200 static int sgm4154x_vbus_regulator_register(struct sgm4154x_device *sgm)  in sgm4154x_vbus_regulator_register()  argument
1206 	np = of_get_child_by_name(sgm->dev->of_node, "regulators");  in sgm4154x_vbus_regulator_register()
1208 		dev_warn(sgm->dev, "cannot find regulators node\n");  in sgm4154x_vbus_regulator_register()
1213 	config.dev = sgm->dev;  in sgm4154x_vbus_regulator_register()
1214 	config.driver_data = sgm;  in sgm4154x_vbus_regulator_register()
1215 	sgm->otg_rdev = devm_regulator_register(sgm->dev,  in sgm4154x_vbus_regulator_register()
1218 	if (IS_ERR(sgm->otg_rdev))  in sgm4154x_vbus_regulator_register()
1219 		ret = PTR_ERR(sgm->otg_rdev);  in sgm4154x_vbus_regulator_register()
1228 	struct sgm4154x_device *sgm = container_of(nb, struct sgm4154x_device, pm_nb);  in sgm4154x_suspend_notifier()  local
1233 		sgm->sgm4154x_suspend_flag = 1;  in sgm4154x_suspend_notifier()
1237 		sgm->sgm4154x_suspend_flag = 0;  in sgm4154x_suspend_notifier()
1245 static int sgm4154x_hw_chipid_detect(struct sgm4154x_device *sgm)  in sgm4154x_hw_chipid_detect()  argument
1250 	ret = regmap_read(sgm->regmap, SGM4154x_CHRG_CTRL_b, &val);  in sgm4154x_hw_chipid_detect()
1259 	struct sgm4154x_device *sgm =  in sgm_charger_work()  local
1264 	sgm4154x_watchdog_timer_reset(sgm);  in sgm_charger_work()
1265 	if (sgm->watchdog_enable)  in sgm_charger_work()
1266 		queue_delayed_work(sgm->sgm_monitor_wq,  in sgm_charger_work()
1267 				   &sgm->sgm_delay_work,  in sgm_charger_work()
1275 	struct sgm4154x_device *sgm;  in sgm4154x_probe()  local
1278 	sgm = devm_kzalloc(dev, sizeof(*sgm), GFP_KERNEL);  in sgm4154x_probe()
1279 	if (!sgm)  in sgm4154x_probe()
1282 	sgm->client = client;  in sgm4154x_probe()
1283 	sgm->dev = dev;  in sgm4154x_probe()
1285 	mutex_init(&sgm->lock);  in sgm4154x_probe()
1287 	strncpy(sgm->model_name, id->name, I2C_NAME_SIZE);  in sgm4154x_probe()
1289 	sgm->regmap = devm_regmap_init_i2c(client, &sgm4154x_regmap_config);  in sgm4154x_probe()
1290 	if (IS_ERR(sgm->regmap)) {  in sgm4154x_probe()
1292 		return PTR_ERR(sgm->regmap);  in sgm4154x_probe()
1295 	i2c_set_clientdata(client, sgm);  in sgm4154x_probe()
1297 	ret = sgm4154x_parse_dt(sgm);  in sgm4154x_probe()
1303 	ret = sgm4154x_hw_chipid_detect(sgm);  in sgm4154x_probe()
1316 						"sgm41542-irq", sgm);  in sgm4154x_probe()
1322 	sgm->pm_nb.notifier_call = sgm4154x_suspend_notifier;  in sgm4154x_probe()
1323 	register_pm_notifier(&sgm->pm_nb);  in sgm4154x_probe()
1325 	ret = sgm4154x_power_supply_init(sgm, dev);  in sgm4154x_probe()
1331 	ret = sgm4154x_hw_init(sgm);  in sgm4154x_probe()
1338 	ret = sgm4154x_set_otg_voltage(sgm, 5000000);  in sgm4154x_probe()
1340 		dev_err(sgm->dev, "set OTG voltage error!\n");  in sgm4154x_probe()
1344 	ret = sgm4154x_set_otg_current(sgm, 1200000);  in sgm4154x_probe()
1346 		dev_err(sgm->dev, "set OTG current error!\n");  in sgm4154x_probe()
1350 	sgm->sgm_monitor_wq = alloc_ordered_workqueue("%s",  in sgm4154x_probe()
1352 	INIT_DELAYED_WORK(&sgm->sgm_delay_work, sgm_charger_work);  in sgm4154x_probe()
1354 	sgm4154x_vbus_regulator_register(sgm);  in sgm4154x_probe()
1355 	sgm4154x_create_device_node(sgm->dev);  in sgm4154x_probe()
1364 	struct sgm4154x_device *sgm = i2c_get_clientdata(client);  in sgm4154x_charger_remove()  local
1366 	destroy_workqueue(sgm->sgm_monitor_wq);  in sgm4154x_charger_remove()
1367 	regulator_unregister(sgm->otg_rdev);  in sgm4154x_charger_remove()
1368 	power_supply_unregister(sgm->charger);  in sgm4154x_charger_remove()
1369 	mutex_destroy(&sgm->lock);  in sgm4154x_charger_remove()
1376 	struct sgm4154x_device *sgm = i2c_get_clientdata(client);  in sgm4154x_charger_shutdown()  local
1379 	sgm4154x_set_prechrg_curr(sgm, SGM4154x_PRECHRG_I_DEF_uA);  in sgm4154x_charger_shutdown()
1380 	ret = sgm4154x_disable_charger(sgm);  in sgm4154x_charger_shutdown()