110 static int update_avg_interval(struct acpi_power_meter_resource *resource)  in update_avg_interval()  argument
115 	status = acpi_evaluate_integer(resource->acpi_dev->handle, "_GAI",  in update_avg_interval()
118 		acpi_evaluation_failure_warn(resource->acpi_dev->handle, "_GAI",  in update_avg_interval()
123 	resource->avg_interval = data;  in update_avg_interval()
132 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in show_avg_interval()  local
134 	mutex_lock(&resource->lock);  in show_avg_interval()
135 	update_avg_interval(resource);  in show_avg_interval()
136 	mutex_unlock(&resource->lock);  in show_avg_interval()
138 	return sprintf(buf, "%llu\n", resource->avg_interval);  in show_avg_interval()
146 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in set_avg_interval()  local
158 	if (temp > resource->caps.max_avg_interval ||  in set_avg_interval()
159 	    temp < resource->caps.min_avg_interval)  in set_avg_interval()
163 	mutex_lock(&resource->lock);  in set_avg_interval()
164 	status = acpi_evaluate_integer(resource->acpi_dev->handle, "_PAI",  in set_avg_interval()
167 		resource->avg_interval = temp;  in set_avg_interval()
168 	mutex_unlock(&resource->lock);  in set_avg_interval()
171 		acpi_evaluation_failure_warn(resource->acpi_dev->handle, "_PAI",  in set_avg_interval()
184 static int update_cap(struct acpi_power_meter_resource *resource)  in update_cap()  argument
189 	status = acpi_evaluate_integer(resource->acpi_dev->handle, "_GHL",  in update_cap()
192 		acpi_evaluation_failure_warn(resource->acpi_dev->handle, "_GHL",  in update_cap()
197 	resource->cap = data;  in update_cap()
206 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in show_cap()  local
208 	mutex_lock(&resource->lock);  in show_cap()
209 	update_cap(resource);  in show_cap()
210 	mutex_unlock(&resource->lock);  in show_cap()
212 	return sprintf(buf, "%llu\n", resource->cap * 1000);  in show_cap()
219 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in set_cap()  local
232 	if (temp > resource->caps.max_cap || temp < resource->caps.min_cap)  in set_cap()
236 	mutex_lock(&resource->lock);  in set_cap()
237 	status = acpi_evaluate_integer(resource->acpi_dev->handle, "_SHL",  in set_cap()
240 		resource->cap = temp;  in set_cap()
241 	mutex_unlock(&resource->lock);  in set_cap()
244 		acpi_evaluation_failure_warn(resource->acpi_dev->handle, "_SHL",  in set_cap()
257 static int set_acpi_trip(struct acpi_power_meter_resource *resource)  in set_acpi_trip()  argument
268 	if (resource->trip[0] < 0 || resource->trip[1] < 0)  in set_acpi_trip()
272 	arg_objs[0].integer.value = resource->trip[1];  in set_acpi_trip()
273 	arg_objs[1].integer.value = resource->trip[0];  in set_acpi_trip()
275 	status = acpi_evaluate_integer(resource->acpi_dev->handle, "_PTP",  in set_acpi_trip()
278 		acpi_evaluation_failure_warn(resource->acpi_dev->handle, "_PTP",  in set_acpi_trip()
295 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in set_trip()  local
305 	guard(mutex)(&resource->lock);  in set_trip()
307 	trip_bk = resource->trip[attr->index - 7];  in set_trip()
308 	resource->trip[attr->index - 7] = temp;  in set_trip()
309 	res = set_acpi_trip(resource);  in set_trip()
311 		resource->trip[attr->index - 7] = trip_bk;  in set_trip()
319 static int update_meter(struct acpi_power_meter_resource *resource)  in update_meter()  argument
325 	if (time_before(local_jiffies, resource->sensors_last_updated +  in update_meter()
326 			msecs_to_jiffies(resource->caps.sampling_time)) &&  in update_meter()
327 			resource->sensors_valid)  in update_meter()
330 	status = acpi_evaluate_integer(resource->acpi_dev->handle, "_PMM",  in update_meter()
333 		acpi_evaluation_failure_warn(resource->acpi_dev->handle, "_PMM",  in update_meter()
338 	resource->power = data;  in update_meter()
339 	resource->sensors_valid = 1;  in update_meter()
340 	resource->sensors_last_updated = jiffies;  in update_meter()
349 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in show_power()  local
351 	mutex_lock(&resource->lock);  in show_power()
352 	update_meter(resource);  in show_power()
353 	mutex_unlock(&resource->lock);  in show_power()
355 	if (resource->power == UNKNOWN_POWER)  in show_power()
358 	return sprintf(buf, "%llu\n", resource->power * 1000);  in show_power()
368 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in show_str()  local
372 	mutex_lock(&resource->lock);  in show_str()
375 		val = resource->model_number;  in show_str()
378 		val = resource->serial_number;  in show_str()
381 		val = resource->oem_info;  in show_str()
390 	mutex_unlock(&resource->lock);  in show_str()
400 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in show_val()  local
404 	guard(mutex)(&resource->lock);  in show_val()
408 		val = resource->caps.min_avg_interval;  in show_val()
411 		val = resource->caps.max_avg_interval;  in show_val()
414 		val = resource->caps.min_cap * 1000;  in show_val()
417 		val = resource->caps.max_cap * 1000;  in show_val()
420 		if (resource->caps.hysteresis == UNKNOWN_HYSTERESIS)  in show_val()
423 		val = resource->caps.hysteresis * 1000;  in show_val()
426 		if (resource->caps.flags & POWER_METER_IS_BATTERY)  in show_val()
432 		ret = update_meter(resource);  in show_val()
436 		if (!(resource->caps.flags & POWER_METER_CAN_NOTIFY)) {  in show_val()
437 			ret = update_cap(resource);  in show_val()
441 		val = resource->power_alarm || resource->power > resource->cap;  in show_val()
442 		resource->power_alarm = resource->power > resource->cap;  in show_val()
446 		if (resource->trip[attr->index - 7] < 0)  in show_val()
449 		val = resource->trip[attr->index - 7] * 1000;  in show_val()
465 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in show_accuracy()  local
466 	unsigned int acc = resource->caps.accuracy;  in show_accuracy()
541 static void remove_domain_devices(struct acpi_power_meter_resource *resource)  in remove_domain_devices()  argument
545 	if (!resource->num_domain_devices)  in remove_domain_devices()
548 	for (i = 0; i < resource->num_domain_devices; i++) {  in remove_domain_devices()
549 		struct acpi_device *obj = resource->domain_devices[i];  in remove_domain_devices()
554 		sysfs_remove_link(resource->holders_dir,  in remove_domain_devices()
559 	kfree(resource->domain_devices);  in remove_domain_devices()
560 	kobject_put(resource->holders_dir);  in remove_domain_devices()
561 	resource->num_domain_devices = 0;  in remove_domain_devices()
564 static int read_domain_devices(struct acpi_power_meter_resource *resource)  in read_domain_devices()  argument
572 	status = acpi_evaluate_object(resource->acpi_dev->handle, "_PMD", NULL,  in read_domain_devices()
575 		acpi_evaluation_failure_warn(resource->acpi_dev->handle, "_PMD",  in read_domain_devices()
583 		dev_err(&resource->acpi_dev->dev, ACPI_POWER_METER_NAME  in read_domain_devices()
592 	resource->domain_devices = kcalloc(pss->package.count,  in read_domain_devices()
595 	if (!resource->domain_devices) {  in read_domain_devices()
600 	resource->holders_dir = kobject_create_and_add("measures",  in read_domain_devices()
601 						       &resource->acpi_dev->dev.kobj);  in read_domain_devices()
602 	if (!resource->holders_dir) {  in read_domain_devices()
607 	resource->num_domain_devices = pss->package.count;  in read_domain_devices()
619 		resource->domain_devices[i] = obj;  in read_domain_devices()
623 		res = sysfs_create_link(resource->holders_dir, &obj->dev.kobj,  in read_domain_devices()
627 			resource->domain_devices[i] = NULL;  in read_domain_devices()
635 	kfree(resource->domain_devices);  in read_domain_devices()
642 static int register_attrs(struct acpi_power_meter_resource *resource,  in register_attrs()  argument
645 	struct device *dev = &resource->acpi_dev->dev;  in register_attrs()
647 		&resource->sensors[resource->num_sensors];  in register_attrs()
668 		resource->num_sensors++;  in register_attrs()
676 static void remove_attrs(struct acpi_power_meter_resource *resource)  in remove_attrs()  argument
680 	for (i = 0; i < resource->num_sensors; i++) {  in remove_attrs()
681 		if (!resource->sensors[i].dev_attr.attr.name)  in remove_attrs()
683 		device_remove_file(&resource->acpi_dev->dev,  in remove_attrs()
684 				   &resource->sensors[i].dev_attr);  in remove_attrs()
687 	remove_domain_devices(resource);  in remove_attrs()
689 	resource->num_sensors = 0;  in remove_attrs()
692 static int setup_attrs(struct acpi_power_meter_resource *resource)  in setup_attrs()  argument
697 	res = read_domain_devices(resource);  in setup_attrs()
701 	if (resource->caps.flags & POWER_METER_CAN_MEASURE) {  in setup_attrs()
702 		res = register_attrs(resource, meter_attrs);  in setup_attrs()
707 	if (resource->caps.flags & POWER_METER_CAN_CAP) {  in setup_attrs()
709 			dev_warn(&resource->acpi_dev->dev,  in setup_attrs()
714 		if (resource->caps.configurable_cap)  in setup_attrs()
715 			res = register_attrs(resource, rw_cap_attrs);  in setup_attrs()
717 			res = register_attrs(resource, ro_cap_attrs);  in setup_attrs()
722 		res = register_attrs(resource, misc_cap_attrs);  in setup_attrs()
728 	if (resource->caps.flags & POWER_METER_CAN_TRIP) {  in setup_attrs()
729 		res = register_attrs(resource, trip_attrs);  in setup_attrs()
734 	res = register_attrs(resource, misc_attrs);  in setup_attrs()
740 	remove_attrs(resource);  in setup_attrs()
744 static void free_capabilities(struct acpi_power_meter_resource *resource)  in free_capabilities()  argument
749 	str = &resource->model_number;  in free_capabilities()
756 static int read_capabilities(struct acpi_power_meter_resource *resource)  in read_capabilities()  argument
767 	status = acpi_evaluate_object(resource->acpi_dev->handle, "_PMC", NULL,  in read_capabilities()
770 		acpi_evaluation_failure_warn(resource->acpi_dev->handle, "_PMC",  in read_capabilities()
779 		dev_err(&resource->acpi_dev->dev, ACPI_POWER_METER_NAME  in read_capabilities()
787 	state.pointer = &resource->caps;  in read_capabilities()
791 		dev_err(&resource->acpi_dev->dev, ACPI_POWER_METER_NAME  in read_capabilities()
798 	if (resource->caps.units) {  in read_capabilities()
799 		dev_err(&resource->acpi_dev->dev, ACPI_POWER_METER_NAME  in read_capabilities()
801 			resource->caps.units);  in read_capabilities()
807 	str = &resource->model_number;  in read_capabilities()
827 	dev_info(&resource->acpi_dev->dev, "Found ACPI power meter.\n");  in read_capabilities()
830 	free_capabilities(resource);  in read_capabilities()
839 	struct acpi_power_meter_resource *resource;  in acpi_power_meter_notify()  local
845 	resource = acpi_driver_data(device);  in acpi_power_meter_notify()
849 		mutex_lock(&resource->lock);  in acpi_power_meter_notify()
850 		free_capabilities(resource);  in acpi_power_meter_notify()
851 		res = read_capabilities(resource);  in acpi_power_meter_notify()
852 		mutex_unlock(&resource->lock);  in acpi_power_meter_notify()
856 		remove_attrs(resource);  in acpi_power_meter_notify()
857 		setup_attrs(resource);  in acpi_power_meter_notify()
863 		mutex_lock(&resource->lock);  in acpi_power_meter_notify()
864 		res = update_cap(resource);  in acpi_power_meter_notify()
867 		mutex_unlock(&resource->lock);  in acpi_power_meter_notify()
874 		mutex_lock(&resource->lock);  in acpi_power_meter_notify()
875 		resource->power_alarm = true;  in acpi_power_meter_notify()
876 		mutex_unlock(&resource->lock);  in acpi_power_meter_notify()
892 	struct acpi_power_meter_resource *resource;  in acpi_power_meter_add()  local
897 	resource = kzalloc(sizeof(*resource), GFP_KERNEL);  in acpi_power_meter_add()
898 	if (!resource)  in acpi_power_meter_add()
901 	resource->sensors_valid = 0;  in acpi_power_meter_add()
902 	resource->acpi_dev = device;  in acpi_power_meter_add()
903 	mutex_init(&resource->lock);  in acpi_power_meter_add()
906 	device->driver_data = resource;  in acpi_power_meter_add()
924 	res = read_capabilities(resource);  in acpi_power_meter_add()
928 	resource->trip[0] = -1;  in acpi_power_meter_add()
929 	resource->trip[1] = -1;  in acpi_power_meter_add()
931 	res = setup_attrs(resource);  in acpi_power_meter_add()
935 	resource->hwmon_dev = hwmon_device_register(&device->dev);  in acpi_power_meter_add()
936 	if (IS_ERR(resource->hwmon_dev)) {  in acpi_power_meter_add()
937 		res = PTR_ERR(resource->hwmon_dev);  in acpi_power_meter_add()
945 	remove_attrs(resource);  in acpi_power_meter_add()
947 	free_capabilities(resource);  in acpi_power_meter_add()
949 	kfree(resource);  in acpi_power_meter_add()
956 	struct acpi_power_meter_resource *resource;  in acpi_power_meter_remove()  local
961 	resource = acpi_driver_data(device);  in acpi_power_meter_remove()
962 	hwmon_device_unregister(resource->hwmon_dev);  in acpi_power_meter_remove()
964 	remove_attrs(resource);  in acpi_power_meter_remove()
965 	free_capabilities(resource);  in acpi_power_meter_remove()
967 	kfree(resource);  in acpi_power_meter_remove()
972 	struct acpi_power_meter_resource *resource;  in acpi_power_meter_resume()  local
977 	resource = acpi_driver_data(to_acpi_device(dev));  in acpi_power_meter_resume()
978 	if (!resource)  in acpi_power_meter_resume()
981 	free_capabilities(resource);  in acpi_power_meter_resume()
982 	read_capabilities(resource);  in acpi_power_meter_resume()