71 static int yoga_c630_psy_update_bat_info(struct yoga_c630_psy *ecbat)  in yoga_c630_psy_update_bat_info()  argument
73 	struct yoga_c630_ec *ec = ecbat->ec;  in yoga_c630_psy_update_bat_info()
76 	lockdep_assert_held(&ecbat->lock);  in yoga_c630_psy_update_bat_info()
81 	ecbat->bat_present = !!(val & LENOVO_EC_BAT_PRESENT_IS_PRESENT);  in yoga_c630_psy_update_bat_info()
82 	if (!ecbat->bat_present)  in yoga_c630_psy_update_bat_info()
88 	ecbat->unit_mA = val & LENOVO_EC_BAT_ATTRIBUTES_UNIT_IS_MA;  in yoga_c630_psy_update_bat_info()
93 	ecbat->design_capacity = val * 1000;  in yoga_c630_psy_update_bat_info()
104 	ecbat->design_voltage = val;  in yoga_c630_psy_update_bat_info()
118 	ecbat->full_charge_capacity = val * 1000;  in yoga_c630_psy_update_bat_info()
120 	if (!ecbat->unit_mA) {  in yoga_c630_psy_update_bat_info()
121 		ecbat->design_capacity *= 10;  in yoga_c630_psy_update_bat_info()
122 		ecbat->full_charge_capacity *= 10;  in yoga_c630_psy_update_bat_info()
128 static int yoga_c630_psy_maybe_update_bat_status(struct yoga_c630_psy *ecbat)  in yoga_c630_psy_maybe_update_bat_status()  argument
130 	struct yoga_c630_ec *ec = ecbat->ec;  in yoga_c630_psy_maybe_update_bat_status()
134 	guard(mutex)(&ecbat->lock);  in yoga_c630_psy_maybe_update_bat_status()
135 	if (time_before(jiffies, ecbat->last_status_update + LENOVO_EC_CACHE_TIME))  in yoga_c630_psy_maybe_update_bat_status()
141 	ecbat->bat_status = val;  in yoga_c630_psy_maybe_update_bat_status()
148 	ecbat->capacity_now = val * 1000;  in yoga_c630_psy_maybe_update_bat_status()
155 	ecbat->voltage_now = val * 1000;  in yoga_c630_psy_maybe_update_bat_status()
163 	ecbat->current_now = current_mA * 1000;  in yoga_c630_psy_maybe_update_bat_status()
164 	ecbat->rate_now = current_mA * (ecbat->voltage_now / 1000);  in yoga_c630_psy_maybe_update_bat_status()
168 	if (!ecbat->unit_mA)  in yoga_c630_psy_maybe_update_bat_status()
169 		ecbat->capacity_now *= 10;  in yoga_c630_psy_maybe_update_bat_status()
171 	ecbat->last_status_update = jiffies;  in yoga_c630_psy_maybe_update_bat_status()
176 static int yoga_c630_psy_update_adapter_status(struct yoga_c630_psy *ecbat)  in yoga_c630_psy_update_adapter_status()  argument
178 	struct yoga_c630_ec *ec = ecbat->ec;  in yoga_c630_psy_update_adapter_status()
181 	guard(mutex)(&ecbat->lock);  in yoga_c630_psy_update_adapter_status()
187 	ecbat->adapter_online = !!(val & LENOVO_EC_ADPT_STATUS_PRESENT);  in yoga_c630_psy_update_adapter_status()
192 static bool yoga_c630_psy_is_charged(struct yoga_c630_psy *ecbat)  in yoga_c630_psy_is_charged()  argument
194 	if (ecbat->bat_status != 0)  in yoga_c630_psy_is_charged()
197 	if (ecbat->full_charge_capacity <= ecbat->capacity_now)  in yoga_c630_psy_is_charged()
200 	if (ecbat->design_capacity <= ecbat->capacity_now)  in yoga_c630_psy_is_charged()
210 	struct yoga_c630_psy *ecbat = power_supply_get_drvdata(psy);  in yoga_c630_psy_bat_get_property()  local
213 	if (!ecbat->bat_present && psp != POWER_SUPPLY_PROP_PRESENT)  in yoga_c630_psy_bat_get_property()
216 	rc = yoga_c630_psy_maybe_update_bat_status(ecbat);  in yoga_c630_psy_bat_get_property()
222 		if (ecbat->bat_status & LENOVO_EC_BAT_STATUS_DISCHARGING)  in yoga_c630_psy_bat_get_property()
224 		else if (ecbat->bat_status & LENOVO_EC_BAT_STATUS_CHARGING)  in yoga_c630_psy_bat_get_property()
226 		else if (yoga_c630_psy_is_charged(ecbat))  in yoga_c630_psy_bat_get_property()
232 		val->intval = ecbat->bat_present;  in yoga_c630_psy_bat_get_property()
235 		val->intval = ecbat->design_voltage;  in yoga_c630_psy_bat_get_property()
239 		val->intval = ecbat->design_capacity;  in yoga_c630_psy_bat_get_property()
243 		val->intval = ecbat->full_charge_capacity;  in yoga_c630_psy_bat_get_property()
247 		val->intval = ecbat->capacity_now;  in yoga_c630_psy_bat_get_property()
250 		val->intval = ecbat->current_now;  in yoga_c630_psy_bat_get_property()
253 		val->intval = ecbat->rate_now;  in yoga_c630_psy_bat_get_property()
256 		val->intval = ecbat->voltage_now;  in yoga_c630_psy_bat_get_property()
330 	struct yoga_c630_psy *ecbat = power_supply_get_drvdata(psy);  in yoga_c630_psy_adpt_get_property()  local
333 	ret = yoga_c630_psy_update_adapter_status(ecbat);  in yoga_c630_psy_adpt_get_property()
339 		val->intval = ecbat->adapter_online;  in yoga_c630_psy_adpt_get_property()
365 static int yoga_c630_psy_register_bat_psy(struct yoga_c630_psy *ecbat)  in yoga_c630_psy_register_bat_psy()  argument
369 	bat_cfg.drv_data = ecbat;  in yoga_c630_psy_register_bat_psy()
370 	bat_cfg.fwnode = ecbat->fwnode;  in yoga_c630_psy_register_bat_psy()
372 	ecbat->bat_psy = power_supply_register(ecbat->dev,  in yoga_c630_psy_register_bat_psy()
373 					       ecbat->unit_mA ?  in yoga_c630_psy_register_bat_psy()
377 	if (IS_ERR(ecbat->bat_psy)) {  in yoga_c630_psy_register_bat_psy()
378 		dev_err(ecbat->dev, "failed to register battery supply\n");  in yoga_c630_psy_register_bat_psy()
379 		return PTR_ERR(ecbat->bat_psy);  in yoga_c630_psy_register_bat_psy()
385 static void yoga_c630_ec_refresh_bat_info(struct yoga_c630_psy *ecbat)  in yoga_c630_ec_refresh_bat_info()  argument
389 	guard(mutex)(&ecbat->lock);  in yoga_c630_ec_refresh_bat_info()
391 	current_unit = ecbat->unit_mA;  in yoga_c630_ec_refresh_bat_info()
393 	yoga_c630_psy_update_bat_info(ecbat);  in yoga_c630_ec_refresh_bat_info()
395 	if (current_unit != ecbat->unit_mA) {  in yoga_c630_ec_refresh_bat_info()
396 		power_supply_unregister(ecbat->bat_psy);  in yoga_c630_ec_refresh_bat_info()
397 		yoga_c630_psy_register_bat_psy(ecbat);  in yoga_c630_ec_refresh_bat_info()
404 	struct yoga_c630_psy *ecbat = container_of(nb, struct yoga_c630_psy, nb);  in yoga_c630_psy_notify()  local
408 		yoga_c630_ec_refresh_bat_info(ecbat);  in yoga_c630_psy_notify()
411 		power_supply_changed(ecbat->adp_psy);  in yoga_c630_psy_notify()
414 		power_supply_changed(ecbat->bat_psy);  in yoga_c630_psy_notify()
427 	struct yoga_c630_psy *ecbat;  in yoga_c630_psy_probe()  local
430 	ecbat = devm_kzalloc(&adev->dev, sizeof(*ecbat), GFP_KERNEL);  in yoga_c630_psy_probe()
431 	if (!ecbat)  in yoga_c630_psy_probe()
434 	ecbat->ec = ec;  in yoga_c630_psy_probe()
435 	ecbat->dev = dev;  in yoga_c630_psy_probe()
436 	mutex_init(&ecbat->lock);  in yoga_c630_psy_probe()
437 	ecbat->fwnode = adev->dev.parent->fwnode;  in yoga_c630_psy_probe()
438 	ecbat->nb.notifier_call = yoga_c630_psy_notify;  in yoga_c630_psy_probe()
440 	auxiliary_set_drvdata(adev, ecbat);  in yoga_c630_psy_probe()
442 	adp_cfg.drv_data = ecbat;  in yoga_c630_psy_probe()
443 	adp_cfg.fwnode = ecbat->fwnode;  in yoga_c630_psy_probe()
447 	ecbat->adp_psy = devm_power_supply_register(dev, &yoga_c630_psy_adpt_psy_desc, &adp_cfg);  in yoga_c630_psy_probe()
448 	if (IS_ERR(ecbat->adp_psy)) {  in yoga_c630_psy_probe()
450 		return PTR_ERR(ecbat->adp_psy);  in yoga_c630_psy_probe()
453 	scoped_guard(mutex, &ecbat->lock) {  in yoga_c630_psy_probe()
454 		ret = yoga_c630_psy_update_bat_info(ecbat);  in yoga_c630_psy_probe()
458 		ret = yoga_c630_psy_register_bat_psy(ecbat);  in yoga_c630_psy_probe()
463 	ret = yoga_c630_ec_register_notify(ecbat->ec, &ecbat->nb);  in yoga_c630_psy_probe()
470 	power_supply_unregister(ecbat->bat_psy);  in yoga_c630_psy_probe()
476 	struct yoga_c630_psy *ecbat = auxiliary_get_drvdata(adev);  in yoga_c630_psy_remove()  local
478 	yoga_c630_ec_unregister_notify(ecbat->ec, &ecbat->nb);  in yoga_c630_psy_remove()
479 	power_supply_unregister(ecbat->bat_psy);  in yoga_c630_psy_remove()