183 static int acpi_thermal_get_temperature(struct acpi_thermal *tz)  in acpi_thermal_get_temperature()  argument
188 	if (!tz)  in acpi_thermal_get_temperature()
191 	tz->last_temperature = tz->temperature;  in acpi_thermal_get_temperature()
193 	status = acpi_evaluate_integer(tz->device->handle, "_TMP", NULL, &tmp);  in acpi_thermal_get_temperature()
197 	tz->temperature = tmp;  in acpi_thermal_get_temperature()
199 			  tz->temperature));  in acpi_thermal_get_temperature()
204 static int acpi_thermal_get_polling_frequency(struct acpi_thermal *tz)  in acpi_thermal_get_polling_frequency()  argument
209 	if (!tz)  in acpi_thermal_get_polling_frequency()
212 	status = acpi_evaluate_integer(tz->device->handle, "_TZP", NULL, &tmp);  in acpi_thermal_get_polling_frequency()
216 	tz->polling_frequency = tmp;  in acpi_thermal_get_polling_frequency()
218 			  tz->polling_frequency));  in acpi_thermal_get_polling_frequency()
223 static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode)  in acpi_thermal_set_cooling_mode()  argument
225 	if (!tz)  in acpi_thermal_set_cooling_mode()
228 	if (ACPI_FAILURE(acpi_execute_simple_method(tz->device->handle,  in acpi_thermal_set_cooling_mode()
263 static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)  in acpi_thermal_trips_update()  argument
273 		status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
275 		tz->trips.critical.temperature = tmp;  in acpi_thermal_trips_update()
283 			tz->trips.critical.flags.valid = 0;  in acpi_thermal_trips_update()
289 			tz->trips.critical.flags.valid = 0;  in acpi_thermal_trips_update()
291 			tz->trips.critical.flags.valid = 1;  in acpi_thermal_trips_update()
294 					  tz->trips.critical.temperature));  in acpi_thermal_trips_update()
296 		if (tz->trips.critical.flags.valid == 1) {  in acpi_thermal_trips_update()
298 				tz->trips.critical.flags.valid = 0;  in acpi_thermal_trips_update()
305 				if (crt_k > tz->trips.critical.temperature)  in acpi_thermal_trips_update()
308 				tz->trips.critical.temperature = crt_k;  in acpi_thermal_trips_update()
315 		status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
318 			tz->trips.hot.flags.valid = 0;  in acpi_thermal_trips_update()
322 			tz->trips.hot.temperature = tmp;  in acpi_thermal_trips_update()
323 			tz->trips.hot.flags.valid = 1;  in acpi_thermal_trips_update()
326 					tz->trips.hot.temperature));  in acpi_thermal_trips_update()
331 	if (((flag & ACPI_TRIPS_PASSIVE) && tz->trips.passive.flags.valid) ||  in acpi_thermal_trips_update()
333 		valid = tz->trips.passive.flags.valid;  in acpi_thermal_trips_update()
340 			status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
345 			tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
347 			tz->trips.passive.temperature = tmp;  in acpi_thermal_trips_update()
348 			tz->trips.passive.flags.valid = 1;  in acpi_thermal_trips_update()
351 						tz->device->handle, "_TC1",  in acpi_thermal_trips_update()
354 					tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
356 					tz->trips.passive.tc1 = tmp;  in acpi_thermal_trips_update()
358 						tz->device->handle, "_TC2",  in acpi_thermal_trips_update()
361 					tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
363 					tz->trips.passive.tc2 = tmp;  in acpi_thermal_trips_update()
365 						tz->device->handle, "_TSP",  in acpi_thermal_trips_update()
368 					tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
370 					tz->trips.passive.tsp = tmp;  in acpi_thermal_trips_update()
374 	if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.passive.flags.valid) {  in acpi_thermal_trips_update()
376 		status = acpi_evaluate_reference(tz->device->handle, "_PSL",  in acpi_thermal_trips_update()
380 			tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
383 			tz->trips.passive.flags.valid = 1;  in acpi_thermal_trips_update()
385 		if (memcmp(&tz->trips.passive.devices, &devices,  in acpi_thermal_trips_update()
387 			memcpy(&tz->trips.passive.devices, &devices,  in acpi_thermal_trips_update()
393 		if (valid != tz->trips.passive.flags.valid)  in acpi_thermal_trips_update()
400 		valid = tz->trips.active[i].flags.valid;  in acpi_thermal_trips_update()
406 			tz->trips.active[i].flags.valid)) {  in acpi_thermal_trips_update()
407 			status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
410 				tz->trips.active[i].flags.valid = 0;  in acpi_thermal_trips_update()
416 					tz->trips.active[0].temperature =  in acpi_thermal_trips_update()
423 					tz->trips.active[i - 1].temperature =  in acpi_thermal_trips_update()
424 						(tz->trips.active[i - 2].temperature <  in acpi_thermal_trips_update()
426 						tz->trips.active[i - 2].temperature :  in acpi_thermal_trips_update()
430 				tz->trips.active[i].temperature = tmp;  in acpi_thermal_trips_update()
431 				tz->trips.active[i].flags.valid = 1;  in acpi_thermal_trips_update()
436 		if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.active[i].flags.valid ) {  in acpi_thermal_trips_update()
438 			status = acpi_evaluate_reference(tz->device->handle,  in acpi_thermal_trips_update()
443 				tz->trips.active[i].flags.valid = 0;  in acpi_thermal_trips_update()
446 				tz->trips.active[i].flags.valid = 1;  in acpi_thermal_trips_update()
448 			if (memcmp(&tz->trips.active[i].devices, &devices,  in acpi_thermal_trips_update()
450 				memcpy(&tz->trips.active[i].devices, &devices,  in acpi_thermal_trips_update()
456 			if (valid != tz->trips.active[i].flags.valid)  in acpi_thermal_trips_update()
459 		if (!tz->trips.active[i].flags.valid)  in acpi_thermal_trips_update()
465 		status = acpi_evaluate_reference(tz->device->handle, "_TZD",  in acpi_thermal_trips_update()
468 		    && memcmp(&tz->devices, &devices, sizeof(devices))) {  in acpi_thermal_trips_update()
469 			tz->devices = devices;  in acpi_thermal_trips_update()
477 static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)  in acpi_thermal_get_trip_points()  argument
479 	int i, valid, ret = acpi_thermal_trips_update(tz, ACPI_TRIPS_INIT);  in acpi_thermal_get_trip_points()
484 	valid = tz->trips.critical.flags.valid |  in acpi_thermal_get_trip_points()
485 		tz->trips.hot.flags.valid |  in acpi_thermal_get_trip_points()
486 		tz->trips.passive.flags.valid;  in acpi_thermal_get_trip_points()
489 		valid |= tz->trips.active[i].flags.valid;  in acpi_thermal_get_trip_points()
500 	struct acpi_thermal *tz = data;  in acpi_thermal_check()  local
502 	thermal_zone_device_update(tz->thermal_zone,  in acpi_thermal_check()
510 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_temp()  local
513 	if (!tz)  in thermal_get_temp()
516 	result = acpi_thermal_get_temperature(tz);  in thermal_get_temp()
520 	*temp = deci_kelvin_to_millicelsius_with_offset(tz->temperature,  in thermal_get_temp()
521 							tz->kelvin_offset);  in thermal_get_temp()
528 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_trip_type()  local
531 	if (!tz || trip < 0)  in thermal_get_trip_type()
534 	if (tz->trips.critical.flags.valid) {  in thermal_get_trip_type()
542 	if (tz->trips.hot.flags.valid) {  in thermal_get_trip_type()
550 	if (tz->trips.passive.flags.valid) {  in thermal_get_trip_type()
559 		tz->trips.active[i].flags.valid; i++) {  in thermal_get_trip_type()
573 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_trip_temp()  local
576 	if (!tz || trip < 0)  in thermal_get_trip_temp()
579 	if (tz->trips.critical.flags.valid) {  in thermal_get_trip_temp()
582 				tz->trips.critical.temperature,  in thermal_get_trip_temp()
583 				tz->kelvin_offset);  in thermal_get_trip_temp()
589 	if (tz->trips.hot.flags.valid) {  in thermal_get_trip_temp()
592 				tz->trips.hot.temperature,  in thermal_get_trip_temp()
593 				tz->kelvin_offset);  in thermal_get_trip_temp()
599 	if (tz->trips.passive.flags.valid) {  in thermal_get_trip_temp()
602 				tz->trips.passive.temperature,  in thermal_get_trip_temp()
603 				tz->kelvin_offset);  in thermal_get_trip_temp()
610 		tz->trips.active[i].flags.valid; i++) {  in thermal_get_trip_temp()
613 				tz->trips.active[i].temperature,  in thermal_get_trip_temp()
614 				tz->kelvin_offset);  in thermal_get_trip_temp()
626 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_crit_temp()  local
628 	if (tz->trips.critical.flags.valid) {  in thermal_get_crit_temp()
630 				tz->trips.critical.temperature,  in thermal_get_crit_temp()
631 				tz->kelvin_offset);  in thermal_get_crit_temp()
640 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_trend()  local
650 					tz->temperature, tz->kelvin_offset);  in thermal_get_trend()
667 	i = (tz->trips.passive.tc1 * (tz->temperature - tz->last_temperature))  in thermal_get_trend()
668 		+ (tz->trips.passive.tc2  in thermal_get_trend()
669 		* (tz->temperature - tz->trips.passive.temperature));  in thermal_get_trend()
685 	struct acpi_thermal *tz = thermal->devdata;  in thermal_notify()  local
694 	acpi_bus_generate_netlink_event(tz->device->pnp.device_class,  in thermal_notify()
695 					dev_name(&tz->device->dev), type, 1);  in thermal_notify()
708 	struct acpi_thermal *tz = thermal->devdata;  in acpi_thermal_cooling_device_cb()  local
717 	if (tz->trips.critical.flags.valid)  in acpi_thermal_cooling_device_cb()
720 	if (tz->trips.hot.flags.valid)  in acpi_thermal_cooling_device_cb()
723 	if (tz->trips.passive.flags.valid) {  in acpi_thermal_cooling_device_cb()
725 		for (i = 0; i < tz->trips.passive.devices.count;  in acpi_thermal_cooling_device_cb()
727 			handle = tz->trips.passive.devices.handles[i];  in acpi_thermal_cooling_device_cb()
747 		if (!tz->trips.active[i].flags.valid)  in acpi_thermal_cooling_device_cb()
751 		    j < tz->trips.active[i].devices.count;  in acpi_thermal_cooling_device_cb()
753 			handle = tz->trips.active[i].devices.handles[j];  in acpi_thermal_cooling_device_cb()
770 	for (i = 0; i < tz->devices.count; i++) {  in acpi_thermal_cooling_device_cb()
771 		handle = tz->devices.handles[i];  in acpi_thermal_cooling_device_cb()
818 static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)  in acpi_thermal_register_thermal_zone()  argument
825 	if (tz->trips.critical.flags.valid)  in acpi_thermal_register_thermal_zone()
828 	if (tz->trips.hot.flags.valid)  in acpi_thermal_register_thermal_zone()
831 	if (tz->trips.passive.flags.valid)  in acpi_thermal_register_thermal_zone()
835 			tz->trips.active[i].flags.valid; i++, trips++);  in acpi_thermal_register_thermal_zone()
837 	if (tz->trips.passive.flags.valid)  in acpi_thermal_register_thermal_zone()
838 		tz->thermal_zone =  in acpi_thermal_register_thermal_zone()
839 			thermal_zone_device_register("acpitz", trips, 0, tz,  in acpi_thermal_register_thermal_zone()
841 						     tz->trips.passive.tsp*100,  in acpi_thermal_register_thermal_zone()
842 						     tz->polling_frequency*100);  in acpi_thermal_register_thermal_zone()
844 		tz->thermal_zone =  in acpi_thermal_register_thermal_zone()
845 			thermal_zone_device_register("acpitz", trips, 0, tz,  in acpi_thermal_register_thermal_zone()
847 						0, tz->polling_frequency*100);  in acpi_thermal_register_thermal_zone()
848 	if (IS_ERR(tz->thermal_zone))  in acpi_thermal_register_thermal_zone()
851 	result = sysfs_create_link(&tz->device->dev.kobj,  in acpi_thermal_register_thermal_zone()
852 				   &tz->thermal_zone->device.kobj, "thermal_zone");  in acpi_thermal_register_thermal_zone()
856 	result = sysfs_create_link(&tz->thermal_zone->device.kobj,  in acpi_thermal_register_thermal_zone()
857 				   &tz->device->dev.kobj, "device");  in acpi_thermal_register_thermal_zone()
861 	status =  acpi_bus_attach_private_data(tz->device->handle,  in acpi_thermal_register_thermal_zone()
862 					       tz->thermal_zone);  in acpi_thermal_register_thermal_zone()
868 	result = thermal_zone_device_enable(tz->thermal_zone);  in acpi_thermal_register_thermal_zone()
872 	dev_info(&tz->device->dev, "registered as thermal_zone%d\n",  in acpi_thermal_register_thermal_zone()
873 		 tz->thermal_zone->id);  in acpi_thermal_register_thermal_zone()
878 	acpi_bus_detach_private_data(tz->device->handle);  in acpi_thermal_register_thermal_zone()
880 	sysfs_remove_link(&tz->thermal_zone->device.kobj, "device");  in acpi_thermal_register_thermal_zone()
882 	sysfs_remove_link(&tz->device->dev.kobj, "thermal_zone");  in acpi_thermal_register_thermal_zone()
884 	thermal_zone_device_unregister(tz->thermal_zone);  in acpi_thermal_register_thermal_zone()
889 static void acpi_thermal_unregister_thermal_zone(struct acpi_thermal *tz)  in acpi_thermal_unregister_thermal_zone()  argument
891 	sysfs_remove_link(&tz->device->dev.kobj, "thermal_zone");  in acpi_thermal_unregister_thermal_zone()
892 	sysfs_remove_link(&tz->thermal_zone->device.kobj, "device");  in acpi_thermal_unregister_thermal_zone()
893 	thermal_zone_device_unregister(tz->thermal_zone);  in acpi_thermal_unregister_thermal_zone()
894 	tz->thermal_zone = NULL;  in acpi_thermal_unregister_thermal_zone()
895 	acpi_bus_detach_private_data(tz->device->handle);  in acpi_thermal_unregister_thermal_zone()
905 	struct acpi_thermal *tz = acpi_driver_data(device);  in acpi_thermal_notify()  local
908 	if (!tz)  in acpi_thermal_notify()
913 		acpi_thermal_check(tz);  in acpi_thermal_notify()
916 		acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_THRESHOLDS);  in acpi_thermal_notify()
917 		acpi_thermal_check(tz);  in acpi_thermal_notify()
922 		acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_DEVICES);  in acpi_thermal_notify()
923 		acpi_thermal_check(tz);  in acpi_thermal_notify()
946 static void acpi_thermal_aml_dependency_fix(struct acpi_thermal *tz)  in acpi_thermal_aml_dependency_fix()  argument
948 	acpi_handle handle = tz->device->handle;  in acpi_thermal_aml_dependency_fix()
966 static int acpi_thermal_get_info(struct acpi_thermal *tz)  in acpi_thermal_get_info()  argument
971 	if (!tz)  in acpi_thermal_get_info()
974 	acpi_thermal_aml_dependency_fix(tz);  in acpi_thermal_get_info()
977 	result = acpi_thermal_get_trip_points(tz);  in acpi_thermal_get_info()
982 	result = acpi_thermal_get_temperature(tz);  in acpi_thermal_get_info()
987 	result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE);  in acpi_thermal_get_info()
989 		tz->flags.cooling_mode = 1;  in acpi_thermal_get_info()
993 		tz->polling_frequency = tzp;  in acpi_thermal_get_info()
995 		acpi_thermal_get_polling_frequency(tz);  in acpi_thermal_get_info()
1010 static void acpi_thermal_guess_offset(struct acpi_thermal *tz)  in acpi_thermal_guess_offset()  argument
1012 	if (tz->trips.critical.flags.valid &&  in acpi_thermal_guess_offset()
1013 	    (tz->trips.critical.temperature % 5) == 1)  in acpi_thermal_guess_offset()
1014 		tz->kelvin_offset = 273100;  in acpi_thermal_guess_offset()
1016 		tz->kelvin_offset = 273200;  in acpi_thermal_guess_offset()
1021 	struct acpi_thermal *tz = container_of(work, struct acpi_thermal,  in acpi_thermal_check_fn()  local
1023 	acpi_thermal_check(tz);  in acpi_thermal_check_fn()
1029 	struct acpi_thermal *tz = NULL;  in acpi_thermal_add()  local
1035 	tz = kzalloc(sizeof(struct acpi_thermal), GFP_KERNEL);  in acpi_thermal_add()
1036 	if (!tz)  in acpi_thermal_add()
1039 	tz->device = device;  in acpi_thermal_add()
1040 	strcpy(tz->name, device->pnp.bus_id);  in acpi_thermal_add()
1043 	device->driver_data = tz;  in acpi_thermal_add()
1045 	result = acpi_thermal_get_info(tz);  in acpi_thermal_add()
1049 	acpi_thermal_guess_offset(tz);  in acpi_thermal_add()
1051 	result = acpi_thermal_register_thermal_zone(tz);  in acpi_thermal_add()
1055 	INIT_WORK(&tz->thermal_check_work, acpi_thermal_check_fn);  in acpi_thermal_add()
1058 		acpi_device_bid(device), deci_kelvin_to_celsius(tz->temperature));  in acpi_thermal_add()
1062 	kfree(tz);  in acpi_thermal_add()
1069 	struct acpi_thermal *tz = NULL;  in acpi_thermal_remove()  local
1075 	tz = acpi_driver_data(device);  in acpi_thermal_remove()
1077 	acpi_thermal_unregister_thermal_zone(tz);  in acpi_thermal_remove()
1078 	kfree(tz);  in acpi_thermal_remove()
1092 	struct acpi_thermal *tz;  in acpi_thermal_resume()  local
1098 	tz = acpi_driver_data(to_acpi_device(dev));  in acpi_thermal_resume()
1099 	if (!tz)  in acpi_thermal_resume()
1103 		if (!(&tz->trips.active[i]))  in acpi_thermal_resume()
1105 		if (!tz->trips.active[i].flags.valid)  in acpi_thermal_resume()
1107 		tz->trips.active[i].flags.enabled = 1;  in acpi_thermal_resume()
1108 		for (j = 0; j < tz->trips.active[i].devices.count; j++) {  in acpi_thermal_resume()
1110 					tz->trips.active[i].devices.handles[j],  in acpi_thermal_resume()
1113 				tz->trips.active[i].flags.enabled = 0;  in acpi_thermal_resume()
1117 		tz->state.active |= tz->trips.active[i].flags.enabled;  in acpi_thermal_resume()
1120 	queue_work(acpi_thermal_pm_queue, &tz->thermal_check_work);  in acpi_thermal_resume()