122 static int update_avg_interval(struct acpi_power_meter_resource *resource)  in update_avg_interval()  argument
127 	status = acpi_evaluate_integer(resource->acpi_dev->handle, "_GAI",  in update_avg_interval()
134 	resource->avg_interval = data;  in update_avg_interval()
143 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in show_avg_interval()  local
145 	mutex_lock(&resource->lock);  in show_avg_interval()
146 	update_avg_interval(resource);  in show_avg_interval()
147 	mutex_unlock(&resource->lock);  in show_avg_interval()
149 	return sprintf(buf, "%llu\n", resource->avg_interval);  in show_avg_interval()
157 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in set_avg_interval()  local
169 	if (temp > resource->caps.max_avg_interval ||  in set_avg_interval()
170 	    temp < resource->caps.min_avg_interval)  in set_avg_interval()
174 	mutex_lock(&resource->lock);  in set_avg_interval()
175 	status = acpi_evaluate_integer(resource->acpi_dev->handle, "_PAI",  in set_avg_interval()
178 		resource->avg_interval = temp;  in set_avg_interval()
179 	mutex_unlock(&resource->lock);  in set_avg_interval()
194 static int update_cap(struct acpi_power_meter_resource *resource)  in update_cap()  argument
199 	status = acpi_evaluate_integer(resource->acpi_dev->handle, "_GHL",  in update_cap()
206 	resource->cap = data;  in update_cap()
215 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in show_cap()  local
217 	mutex_lock(&resource->lock);  in show_cap()
218 	update_cap(resource);  in show_cap()
219 	mutex_unlock(&resource->lock);  in show_cap()
221 	return sprintf(buf, "%llu\n", resource->cap * 1000);  in show_cap()
228 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in set_cap()  local
241 	if (temp > resource->caps.max_cap || temp < resource->caps.min_cap)  in set_cap()
245 	mutex_lock(&resource->lock);  in set_cap()
246 	status = acpi_evaluate_integer(resource->acpi_dev->handle, "_SHL",  in set_cap()
249 		resource->cap = temp;  in set_cap()
250 	mutex_unlock(&resource->lock);  in set_cap()
265 static int set_acpi_trip(struct acpi_power_meter_resource *resource)  in set_acpi_trip()  argument
276 	if (resource->trip[0] < 0 || resource->trip[1] < 0)  in set_acpi_trip()
280 	arg_objs[0].integer.value = resource->trip[1];  in set_acpi_trip()
281 	arg_objs[1].integer.value = resource->trip[0];  in set_acpi_trip()
283 	status = acpi_evaluate_integer(resource->acpi_dev->handle, "_PTP",  in set_acpi_trip()
302 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in set_trip()  local
312 	mutex_lock(&resource->lock);  in set_trip()
313 	resource->trip[attr->index - 7] = temp;  in set_trip()
314 	res = set_acpi_trip(resource);  in set_trip()
315 	mutex_unlock(&resource->lock);  in set_trip()
324 static int update_meter(struct acpi_power_meter_resource *resource)  in update_meter()  argument
330 	if (time_before(local_jiffies, resource->sensors_last_updated +  in update_meter()
331 			msecs_to_jiffies(resource->caps.sampling_time)) &&  in update_meter()
332 			resource->sensors_valid)  in update_meter()
335 	status = acpi_evaluate_integer(resource->acpi_dev->handle, "_PMM",  in update_meter()
342 	resource->power = data;  in update_meter()
343 	resource->sensors_valid = 1;  in update_meter()
344 	resource->sensors_last_updated = jiffies;  in update_meter()
353 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in show_power()  local
355 	mutex_lock(&resource->lock);  in show_power()
356 	update_meter(resource);  in show_power()
357 	mutex_unlock(&resource->lock);  in show_power()
359 	return sprintf(buf, "%llu\n", resource->power * 1000);  in show_power()
369 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in show_str()  local
374 		val = resource->model_number;  in show_str()
377 		val = resource->serial_number;  in show_str()
380 		val = resource->oem_info;  in show_str()
398 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in show_val()  local
403 		val = resource->caps.min_avg_interval;  in show_val()
406 		val = resource->caps.max_avg_interval;  in show_val()
409 		val = resource->caps.min_cap * 1000;  in show_val()
412 		val = resource->caps.max_cap * 1000;  in show_val()
415 		if (resource->caps.hysteresis == UNKNOWN_HYSTERESIS)  in show_val()
418 		val = resource->caps.hysteresis * 1000;  in show_val()
421 		if (resource->caps.flags & POWER_METER_IS_BATTERY)  in show_val()
427 		if (resource->power > resource->cap)  in show_val()
434 		if (resource->trip[attr->index - 7] < 0)  in show_val()
437 		val = resource->trip[attr->index - 7] * 1000;  in show_val()
453 	struct acpi_power_meter_resource *resource = acpi_dev->driver_data;  in show_accuracy()  local
454 	unsigned int acc = resource->caps.accuracy;  in show_accuracy()
529 static void remove_domain_devices(struct acpi_power_meter_resource *resource)  in remove_domain_devices()  argument
533 	if (!resource->num_domain_devices)  in remove_domain_devices()
536 	for (i = 0; i < resource->num_domain_devices; i++) {  in remove_domain_devices()
537 		struct acpi_device *obj = resource->domain_devices[i];  in remove_domain_devices()
541 		sysfs_remove_link(resource->holders_dir,  in remove_domain_devices()
546 	kfree(resource->domain_devices);  in remove_domain_devices()
547 	kobject_put(resource->holders_dir);  in remove_domain_devices()
548 	resource->num_domain_devices = 0;  in remove_domain_devices()
551 static int read_domain_devices(struct acpi_power_meter_resource *resource)  in read_domain_devices()  argument
559 	status = acpi_evaluate_object(resource->acpi_dev->handle, "_PMD", NULL,  in read_domain_devices()
569 		dev_err(&resource->acpi_dev->dev, ACPI_POWER_METER_NAME  in read_domain_devices()
578 	resource->domain_devices = kzalloc(sizeof(struct acpi_device *) *  in read_domain_devices()
580 	if (!resource->domain_devices) {  in read_domain_devices()
585 	resource->holders_dir = kobject_create_and_add("measures",  in read_domain_devices()
586 					&resource->acpi_dev->dev.kobj);  in read_domain_devices()
587 	if (!resource->holders_dir) {  in read_domain_devices()
592 	resource->num_domain_devices = pss->package.count;  in read_domain_devices()
603 		resource->domain_devices[i] = NULL;  in read_domain_devices()
605 					&resource->domain_devices[i]))  in read_domain_devices()
608 		obj = resource->domain_devices[i];  in read_domain_devices()
611 		res = sysfs_create_link(resource->holders_dir, &obj->dev.kobj,  in read_domain_devices()
615 			resource->domain_devices[i] = NULL;  in read_domain_devices()
623 	kfree(resource->domain_devices);  in read_domain_devices()
630 static int register_attrs(struct acpi_power_meter_resource *resource,  in register_attrs()  argument
633 	struct device *dev = &resource->acpi_dev->dev;  in register_attrs()
635 		&resource->sensors[resource->num_sensors];  in register_attrs()
656 		resource->num_sensors++;  in register_attrs()
664 static void remove_attrs(struct acpi_power_meter_resource *resource)  in remove_attrs()  argument
668 	for (i = 0; i < resource->num_sensors; i++) {  in remove_attrs()
669 		if (!resource->sensors[i].dev_attr.attr.name)  in remove_attrs()
671 		device_remove_file(&resource->acpi_dev->dev,  in remove_attrs()
672 				   &resource->sensors[i].dev_attr);  in remove_attrs()
675 	remove_domain_devices(resource);  in remove_attrs()
677 	resource->num_sensors = 0;  in remove_attrs()
680 static int setup_attrs(struct acpi_power_meter_resource *resource)  in setup_attrs()  argument
684 	res = read_domain_devices(resource);  in setup_attrs()
688 	if (resource->caps.flags & POWER_METER_CAN_MEASURE) {  in setup_attrs()
689 		res = register_attrs(resource, meter_attrs);  in setup_attrs()
694 	if (resource->caps.flags & POWER_METER_CAN_CAP) {  in setup_attrs()
696 			dev_err(&resource->acpi_dev->dev,  in setup_attrs()
701 		if (resource->caps.configurable_cap)  in setup_attrs()
702 			res = register_attrs(resource, rw_cap_attrs);  in setup_attrs()
704 			res = register_attrs(resource, ro_cap_attrs);  in setup_attrs()
709 		res = register_attrs(resource, misc_cap_attrs);  in setup_attrs()
715 	if (resource->caps.flags & POWER_METER_CAN_TRIP) {  in setup_attrs()
716 		res = register_attrs(resource, trip_attrs);  in setup_attrs()
721 	res = register_attrs(resource, misc_attrs);  in setup_attrs()
727 	remove_attrs(resource);  in setup_attrs()
731 static void free_capabilities(struct acpi_power_meter_resource *resource)  in free_capabilities()  argument
736 	str = &resource->model_number;  in free_capabilities()
741 static int read_capabilities(struct acpi_power_meter_resource *resource)  in read_capabilities()  argument
752 	status = acpi_evaluate_object(resource->acpi_dev->handle, "_PMC", NULL,  in read_capabilities()
763 		dev_err(&resource->acpi_dev->dev, ACPI_POWER_METER_NAME  in read_capabilities()
771 	state.pointer = &resource->caps;  in read_capabilities()
780 	if (resource->caps.units) {  in read_capabilities()
781 		dev_err(&resource->acpi_dev->dev, ACPI_POWER_METER_NAME  in read_capabilities()
783 			resource->caps.units);  in read_capabilities()
789 	str = &resource->model_number;  in read_capabilities()
810 	dev_info(&resource->acpi_dev->dev, "Found ACPI power meter.\n");  in read_capabilities()
813 	str = &resource->model_number;  in read_capabilities()
824 	struct acpi_power_meter_resource *resource;  in acpi_power_meter_notify()  local
830 	resource = acpi_driver_data(device);  in acpi_power_meter_notify()
832 	mutex_lock(&resource->lock);  in acpi_power_meter_notify()
835 		free_capabilities(resource);  in acpi_power_meter_notify()
836 		res = read_capabilities(resource);  in acpi_power_meter_notify()
840 		remove_attrs(resource);  in acpi_power_meter_notify()
841 		setup_attrs(resource);  in acpi_power_meter_notify()
845 		update_meter(resource);  in acpi_power_meter_notify()
849 		update_cap(resource);  in acpi_power_meter_notify()
853 		update_avg_interval(resource);  in acpi_power_meter_notify()
863 	mutex_unlock(&resource->lock);  in acpi_power_meter_notify()
872 	struct acpi_power_meter_resource *resource;  in acpi_power_meter_add()  local
877 	resource = kzalloc(sizeof(struct acpi_power_meter_resource),  in acpi_power_meter_add()
879 	if (!resource)  in acpi_power_meter_add()
882 	resource->sensors_valid = 0;  in acpi_power_meter_add()
883 	resource->acpi_dev = device;  in acpi_power_meter_add()
884 	mutex_init(&resource->lock);  in acpi_power_meter_add()
887 	device->driver_data = resource;  in acpi_power_meter_add()
889 	free_capabilities(resource);  in acpi_power_meter_add()
890 	res = read_capabilities(resource);  in acpi_power_meter_add()
894 	resource->trip[0] = resource->trip[1] = -1;  in acpi_power_meter_add()
896 	res = setup_attrs(resource);  in acpi_power_meter_add()
900 	resource->hwmon_dev = hwmon_device_register(&device->dev);  in acpi_power_meter_add()
901 	if (IS_ERR(resource->hwmon_dev)) {  in acpi_power_meter_add()
902 		res = PTR_ERR(resource->hwmon_dev);  in acpi_power_meter_add()
910 	remove_attrs(resource);  in acpi_power_meter_add()
912 	kfree(resource);  in acpi_power_meter_add()
919 	struct acpi_power_meter_resource *resource;  in acpi_power_meter_remove()  local
924 	resource = acpi_driver_data(device);  in acpi_power_meter_remove()
925 	hwmon_device_unregister(resource->hwmon_dev);  in acpi_power_meter_remove()
927 	free_capabilities(resource);  in acpi_power_meter_remove()
928 	remove_attrs(resource);  in acpi_power_meter_remove()
930 	kfree(resource);  in acpi_power_meter_remove()
938 	struct acpi_power_meter_resource *resource;  in acpi_power_meter_resume()  local
943 	resource = acpi_driver_data(to_acpi_device(dev));  in acpi_power_meter_resume()
944 	if (!resource)  in acpi_power_meter_resume()
947 	free_capabilities(resource);  in acpi_power_meter_resume()
948 	read_capabilities(resource);  in acpi_power_meter_resume()