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()
304 				if (crt_k > tz->trips.critical.temperature)  in acpi_thermal_trips_update()
307 				tz->trips.critical.temperature = crt_k;  in acpi_thermal_trips_update()
314 		status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
317 			tz->trips.hot.flags.valid = 0;  in acpi_thermal_trips_update()
321 			tz->trips.hot.temperature = tmp;  in acpi_thermal_trips_update()
322 			tz->trips.hot.flags.valid = 1;  in acpi_thermal_trips_update()
325 					tz->trips.hot.temperature));  in acpi_thermal_trips_update()
330 	if (((flag & ACPI_TRIPS_PASSIVE) && tz->trips.passive.flags.valid) ||  in acpi_thermal_trips_update()
332 		valid = tz->trips.passive.flags.valid;  in acpi_thermal_trips_update()
339 			status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
344 			tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
346 			tz->trips.passive.temperature = tmp;  in acpi_thermal_trips_update()
347 			tz->trips.passive.flags.valid = 1;  in acpi_thermal_trips_update()
350 						tz->device->handle, "_TC1",  in acpi_thermal_trips_update()
353 					tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
355 					tz->trips.passive.tc1 = tmp;  in acpi_thermal_trips_update()
357 						tz->device->handle, "_TC2",  in acpi_thermal_trips_update()
360 					tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
362 					tz->trips.passive.tc2 = tmp;  in acpi_thermal_trips_update()
364 						tz->device->handle, "_TSP",  in acpi_thermal_trips_update()
367 					tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
369 					tz->trips.passive.tsp = tmp;  in acpi_thermal_trips_update()
373 	if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.passive.flags.valid) {  in acpi_thermal_trips_update()
375 		status = acpi_evaluate_reference(tz->device->handle, "_PSL",  in acpi_thermal_trips_update()
379 			tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
382 			tz->trips.passive.flags.valid = 1;  in acpi_thermal_trips_update()
384 		if (memcmp(&tz->trips.passive.devices, &devices,  in acpi_thermal_trips_update()
386 			memcpy(&tz->trips.passive.devices, &devices,  in acpi_thermal_trips_update()
392 		if (valid != tz->trips.passive.flags.valid)  in acpi_thermal_trips_update()
399 		valid = tz->trips.active[i].flags.valid;  in acpi_thermal_trips_update()
405 			tz->trips.active[i].flags.valid)) {  in acpi_thermal_trips_update()
406 			status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
409 				tz->trips.active[i].flags.valid = 0;  in acpi_thermal_trips_update()
415 					tz->trips.active[0].temperature =  in acpi_thermal_trips_update()
422 					tz->trips.active[i - 1].temperature =  in acpi_thermal_trips_update()
423 						(tz->trips.active[i - 2].temperature <  in acpi_thermal_trips_update()
425 						tz->trips.active[i - 2].temperature :  in acpi_thermal_trips_update()
429 				tz->trips.active[i].temperature = tmp;  in acpi_thermal_trips_update()
430 				tz->trips.active[i].flags.valid = 1;  in acpi_thermal_trips_update()
435 		if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.active[i].flags.valid ) {  in acpi_thermal_trips_update()
437 			status = acpi_evaluate_reference(tz->device->handle,  in acpi_thermal_trips_update()
442 				tz->trips.active[i].flags.valid = 0;  in acpi_thermal_trips_update()
445 				tz->trips.active[i].flags.valid = 1;  in acpi_thermal_trips_update()
447 			if (memcmp(&tz->trips.active[i].devices, &devices,  in acpi_thermal_trips_update()
449 				memcpy(&tz->trips.active[i].devices, &devices,  in acpi_thermal_trips_update()
455 			if (valid != tz->trips.active[i].flags.valid)  in acpi_thermal_trips_update()
458 		if (!tz->trips.active[i].flags.valid)  in acpi_thermal_trips_update()
464 		status = acpi_evaluate_reference(tz->device->handle, "_TZD",  in acpi_thermal_trips_update()
467 		    && memcmp(&tz->devices, &devices, sizeof(devices))) {  in acpi_thermal_trips_update()
468 			tz->devices = devices;  in acpi_thermal_trips_update()
476 static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)  in acpi_thermal_get_trip_points()  argument
478 	int i, valid, ret = acpi_thermal_trips_update(tz, ACPI_TRIPS_INIT);  in acpi_thermal_get_trip_points()
483 	valid = tz->trips.critical.flags.valid |  in acpi_thermal_get_trip_points()
484 		tz->trips.hot.flags.valid |  in acpi_thermal_get_trip_points()
485 		tz->trips.passive.flags.valid;  in acpi_thermal_get_trip_points()
488 		valid |= tz->trips.active[i].flags.valid;  in acpi_thermal_get_trip_points()
499 	struct acpi_thermal *tz = data;  in acpi_thermal_check()  local
501 	if (!tz->tz_enabled)  in acpi_thermal_check()
504 	thermal_zone_device_update(tz->thermal_zone,  in acpi_thermal_check()
512 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_temp()  local
515 	if (!tz)  in thermal_get_temp()
518 	result = acpi_thermal_get_temperature(tz);  in thermal_get_temp()
522 	*temp = DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(tz->temperature,  in thermal_get_temp()
523 							tz->kelvin_offset);  in thermal_get_temp()
530 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_mode()  local
532 	if (!tz)  in thermal_get_mode()
535 	*mode = tz->tz_enabled ? THERMAL_DEVICE_ENABLED :  in thermal_get_mode()
544 	struct acpi_thermal *tz = thermal->devdata;  in thermal_set_mode()  local
547 	if (!tz)  in thermal_set_mode()
561 	if (enable != tz->tz_enabled) {  in thermal_set_mode()
562 		tz->tz_enabled = enable;  in thermal_set_mode()
565 			tz->tz_enabled ? "Enable" : "Disable"));  in thermal_set_mode()
566 		acpi_thermal_check(tz);  in thermal_set_mode()
574 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_trip_type()  local
577 	if (!tz || trip < 0)  in thermal_get_trip_type()
580 	if (tz->trips.critical.flags.valid) {  in thermal_get_trip_type()
588 	if (tz->trips.hot.flags.valid) {  in thermal_get_trip_type()
596 	if (tz->trips.passive.flags.valid) {  in thermal_get_trip_type()
605 		tz->trips.active[i].flags.valid; i++) {  in thermal_get_trip_type()
619 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_trip_temp()  local
622 	if (!tz || trip < 0)  in thermal_get_trip_temp()
625 	if (tz->trips.critical.flags.valid) {  in thermal_get_trip_temp()
628 				tz->trips.critical.temperature,  in thermal_get_trip_temp()
629 				tz->kelvin_offset);  in thermal_get_trip_temp()
635 	if (tz->trips.hot.flags.valid) {  in thermal_get_trip_temp()
638 				tz->trips.hot.temperature,  in thermal_get_trip_temp()
639 				tz->kelvin_offset);  in thermal_get_trip_temp()
645 	if (tz->trips.passive.flags.valid) {  in thermal_get_trip_temp()
648 				tz->trips.passive.temperature,  in thermal_get_trip_temp()
649 				tz->kelvin_offset);  in thermal_get_trip_temp()
656 		tz->trips.active[i].flags.valid; i++) {  in thermal_get_trip_temp()
659 				tz->trips.active[i].temperature,  in thermal_get_trip_temp()
660 				tz->kelvin_offset);  in thermal_get_trip_temp()
672 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_crit_temp()  local
674 	if (tz->trips.critical.flags.valid) {  in thermal_get_crit_temp()
676 				tz->trips.critical.temperature,  in thermal_get_crit_temp()
677 				tz->kelvin_offset);  in thermal_get_crit_temp()
686 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_trend()  local
696 					tz->temperature, tz->kelvin_offset);  in thermal_get_trend()
713 	i = (tz->trips.passive.tc1 * (tz->temperature - tz->last_temperature))  in thermal_get_trend()
714 		+ (tz->trips.passive.tc2  in thermal_get_trend()
715 		* (tz->temperature - tz->trips.passive.temperature));  in thermal_get_trend()
731 	struct acpi_thermal *tz = thermal->devdata;  in thermal_notify()  local
740 	acpi_bus_generate_netlink_event(tz->device->pnp.device_class,  in thermal_notify()
741 					dev_name(&tz->device->dev), type, 1);  in thermal_notify()
754 	struct acpi_thermal *tz = thermal->devdata;  in acpi_thermal_cooling_device_cb()  local
763 	if (tz->trips.critical.flags.valid)  in acpi_thermal_cooling_device_cb()
766 	if (tz->trips.hot.flags.valid)  in acpi_thermal_cooling_device_cb()
769 	if (tz->trips.passive.flags.valid) {  in acpi_thermal_cooling_device_cb()
771 		for (i = 0; i < tz->trips.passive.devices.count;  in acpi_thermal_cooling_device_cb()
773 			handle = tz->trips.passive.devices.handles[i];  in acpi_thermal_cooling_device_cb()
793 		if (!tz->trips.active[i].flags.valid)  in acpi_thermal_cooling_device_cb()
797 		    j < tz->trips.active[i].devices.count;  in acpi_thermal_cooling_device_cb()
799 			handle = tz->trips.active[i].devices.handles[j];  in acpi_thermal_cooling_device_cb()
816 	for (i = 0; i < tz->devices.count; i++) {  in acpi_thermal_cooling_device_cb()
817 		handle = tz->devices.handles[i];  in acpi_thermal_cooling_device_cb()
866 static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)  in acpi_thermal_register_thermal_zone()  argument
873 	if (tz->trips.critical.flags.valid)  in acpi_thermal_register_thermal_zone()
876 	if (tz->trips.hot.flags.valid)  in acpi_thermal_register_thermal_zone()
879 	if (tz->trips.passive.flags.valid)  in acpi_thermal_register_thermal_zone()
883 			tz->trips.active[i].flags.valid; i++, trips++);  in acpi_thermal_register_thermal_zone()
885 	if (tz->trips.passive.flags.valid)  in acpi_thermal_register_thermal_zone()
886 		tz->thermal_zone =  in acpi_thermal_register_thermal_zone()
887 			thermal_zone_device_register("acpitz", trips, 0, tz,  in acpi_thermal_register_thermal_zone()
889 						     tz->trips.passive.tsp*100,  in acpi_thermal_register_thermal_zone()
890 						     tz->polling_frequency*100);  in acpi_thermal_register_thermal_zone()
892 		tz->thermal_zone =  in acpi_thermal_register_thermal_zone()
893 			thermal_zone_device_register("acpitz", trips, 0, tz,  in acpi_thermal_register_thermal_zone()
895 						0, tz->polling_frequency*100);  in acpi_thermal_register_thermal_zone()
896 	if (IS_ERR(tz->thermal_zone))  in acpi_thermal_register_thermal_zone()
899 	result = sysfs_create_link(&tz->device->dev.kobj,  in acpi_thermal_register_thermal_zone()
900 				   &tz->thermal_zone->device.kobj, "thermal_zone");  in acpi_thermal_register_thermal_zone()
904 	result = sysfs_create_link(&tz->thermal_zone->device.kobj,  in acpi_thermal_register_thermal_zone()
905 				   &tz->device->dev.kobj, "device");  in acpi_thermal_register_thermal_zone()
909 	status =  acpi_bus_attach_private_data(tz->device->handle,  in acpi_thermal_register_thermal_zone()
910 					       tz->thermal_zone);  in acpi_thermal_register_thermal_zone()
914 	tz->tz_enabled = 1;  in acpi_thermal_register_thermal_zone()
916 	dev_info(&tz->device->dev, "registered as thermal_zone%d\n",  in acpi_thermal_register_thermal_zone()
917 		 tz->thermal_zone->id);  in acpi_thermal_register_thermal_zone()
921 static void acpi_thermal_unregister_thermal_zone(struct acpi_thermal *tz)  in acpi_thermal_unregister_thermal_zone()  argument
923 	sysfs_remove_link(&tz->device->dev.kobj, "thermal_zone");  in acpi_thermal_unregister_thermal_zone()
924 	sysfs_remove_link(&tz->thermal_zone->device.kobj, "device");  in acpi_thermal_unregister_thermal_zone()
925 	thermal_zone_device_unregister(tz->thermal_zone);  in acpi_thermal_unregister_thermal_zone()
926 	tz->thermal_zone = NULL;  in acpi_thermal_unregister_thermal_zone()
927 	acpi_bus_detach_private_data(tz->device->handle);  in acpi_thermal_unregister_thermal_zone()
937 	struct acpi_thermal *tz = acpi_driver_data(device);  in acpi_thermal_notify()  local
940 	if (!tz)  in acpi_thermal_notify()
945 		acpi_thermal_check(tz);  in acpi_thermal_notify()
948 		acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_THRESHOLDS);  in acpi_thermal_notify()
949 		acpi_thermal_check(tz);  in acpi_thermal_notify()
954 		acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_DEVICES);  in acpi_thermal_notify()
955 		acpi_thermal_check(tz);  in acpi_thermal_notify()
978 static void acpi_thermal_aml_dependency_fix(struct acpi_thermal *tz)  in acpi_thermal_aml_dependency_fix()  argument
980 	acpi_handle handle = tz->device->handle;  in acpi_thermal_aml_dependency_fix()
998 static int acpi_thermal_get_info(struct acpi_thermal *tz)  in acpi_thermal_get_info()  argument
1003 	if (!tz)  in acpi_thermal_get_info()
1006 	acpi_thermal_aml_dependency_fix(tz);  in acpi_thermal_get_info()
1009 	result = acpi_thermal_get_trip_points(tz);  in acpi_thermal_get_info()
1014 	result = acpi_thermal_get_temperature(tz);  in acpi_thermal_get_info()
1019 	result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE);  in acpi_thermal_get_info()
1021 		tz->flags.cooling_mode = 1;  in acpi_thermal_get_info()
1025 		tz->polling_frequency = tzp;  in acpi_thermal_get_info()
1027 		acpi_thermal_get_polling_frequency(tz);  in acpi_thermal_get_info()
1042 static void acpi_thermal_guess_offset(struct acpi_thermal *tz)  in acpi_thermal_guess_offset()  argument
1044 	if (tz->trips.critical.flags.valid &&  in acpi_thermal_guess_offset()
1045 	    (tz->trips.critical.temperature % 5) == 1)  in acpi_thermal_guess_offset()
1046 		tz->kelvin_offset = 2731;  in acpi_thermal_guess_offset()
1048 		tz->kelvin_offset = 2732;  in acpi_thermal_guess_offset()
1053 	struct acpi_thermal *tz = container_of(work, struct acpi_thermal,  in acpi_thermal_check_fn()  local
1055 	acpi_thermal_check(tz);  in acpi_thermal_check_fn()
1061 	struct acpi_thermal *tz = NULL;  in acpi_thermal_add()  local
1067 	tz = kzalloc(sizeof(struct acpi_thermal), GFP_KERNEL);  in acpi_thermal_add()
1068 	if (!tz)  in acpi_thermal_add()
1071 	tz->device = device;  in acpi_thermal_add()
1072 	strcpy(tz->name, device->pnp.bus_id);  in acpi_thermal_add()
1075 	device->driver_data = tz;  in acpi_thermal_add()
1077 	result = acpi_thermal_get_info(tz);  in acpi_thermal_add()
1081 	acpi_thermal_guess_offset(tz);  in acpi_thermal_add()
1083 	result = acpi_thermal_register_thermal_zone(tz);  in acpi_thermal_add()
1087 	INIT_WORK(&tz->thermal_check_work, acpi_thermal_check_fn);  in acpi_thermal_add()
1090 		acpi_device_bid(device), DECI_KELVIN_TO_CELSIUS(tz->temperature));  in acpi_thermal_add()
1094 	kfree(tz);  in acpi_thermal_add()
1101 	struct acpi_thermal *tz = NULL;  in acpi_thermal_remove()  local
1107 	tz = acpi_driver_data(device);  in acpi_thermal_remove()
1109 	acpi_thermal_unregister_thermal_zone(tz);  in acpi_thermal_remove()
1110 	kfree(tz);  in acpi_thermal_remove()
1124 	struct acpi_thermal *tz;  in acpi_thermal_resume()  local
1130 	tz = acpi_driver_data(to_acpi_device(dev));  in acpi_thermal_resume()
1131 	if (!tz)  in acpi_thermal_resume()
1135 		if (!(&tz->trips.active[i]))  in acpi_thermal_resume()
1137 		if (!tz->trips.active[i].flags.valid)  in acpi_thermal_resume()
1139 		tz->trips.active[i].flags.enabled = 1;  in acpi_thermal_resume()
1140 		for (j = 0; j < tz->trips.active[i].devices.count; j++) {  in acpi_thermal_resume()
1142 					tz->trips.active[i].devices.handles[j],  in acpi_thermal_resume()
1145 				tz->trips.active[i].flags.enabled = 0;  in acpi_thermal_resume()
1149 		tz->state.active |= tz->trips.active[i].flags.enabled;  in acpi_thermal_resume()
1152 	queue_work(acpi_thermal_pm_queue, &tz->thermal_check_work);  in acpi_thermal_resume()