201 static int acpi_thermal_get_temperature(struct acpi_thermal *tz)  in acpi_thermal_get_temperature()  argument
206 	if (!tz)  in acpi_thermal_get_temperature()
209 	tz->last_temperature = tz->temperature;  in acpi_thermal_get_temperature()
211 	status = acpi_evaluate_integer(tz->device->handle, "_TMP", NULL, &tmp);  in acpi_thermal_get_temperature()
215 	tz->temperature = tmp;  in acpi_thermal_get_temperature()
217 			  tz->temperature));  in acpi_thermal_get_temperature()
222 static int acpi_thermal_get_polling_frequency(struct acpi_thermal *tz)  in acpi_thermal_get_polling_frequency()  argument
227 	if (!tz)  in acpi_thermal_get_polling_frequency()
230 	status = acpi_evaluate_integer(tz->device->handle, "_TZP", NULL, &tmp);  in acpi_thermal_get_polling_frequency()
234 	tz->polling_frequency = tmp;  in acpi_thermal_get_polling_frequency()
236 			  tz->polling_frequency));  in acpi_thermal_get_polling_frequency()
241 static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode)  in acpi_thermal_set_cooling_mode()  argument
243 	if (!tz)  in acpi_thermal_set_cooling_mode()
246 	if (!acpi_has_method(tz->device->handle, "_SCP")) {  in acpi_thermal_set_cooling_mode()
249 	} else if (ACPI_FAILURE(acpi_execute_simple_method(tz->device->handle,  in acpi_thermal_set_cooling_mode()
285 static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)  in acpi_thermal_trips_update()  argument
295 		status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
297 		tz->trips.critical.temperature = tmp;  in acpi_thermal_trips_update()
305 			tz->trips.critical.flags.valid = 0;  in acpi_thermal_trips_update()
311 			tz->trips.critical.flags.valid = 0;  in acpi_thermal_trips_update()
313 			tz->trips.critical.flags.valid = 1;  in acpi_thermal_trips_update()
316 					  tz->trips.critical.temperature));  in acpi_thermal_trips_update()
318 		if (tz->trips.critical.flags.valid == 1) {  in acpi_thermal_trips_update()
320 				tz->trips.critical.flags.valid = 0;  in acpi_thermal_trips_update()
326 				if (crt_k > tz->trips.critical.temperature)  in acpi_thermal_trips_update()
329 				tz->trips.critical.temperature = crt_k;  in acpi_thermal_trips_update()
336 		status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
339 			tz->trips.hot.flags.valid = 0;  in acpi_thermal_trips_update()
343 			tz->trips.hot.temperature = tmp;  in acpi_thermal_trips_update()
344 			tz->trips.hot.flags.valid = 1;  in acpi_thermal_trips_update()
347 					tz->trips.hot.temperature));  in acpi_thermal_trips_update()
352 	if (((flag & ACPI_TRIPS_PASSIVE) && tz->trips.passive.flags.valid) ||  in acpi_thermal_trips_update()
354 		valid = tz->trips.passive.flags.valid;  in acpi_thermal_trips_update()
361 			status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
366 			tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
368 			tz->trips.passive.temperature = tmp;  in acpi_thermal_trips_update()
369 			tz->trips.passive.flags.valid = 1;  in acpi_thermal_trips_update()
372 						tz->device->handle, "_TC1",  in acpi_thermal_trips_update()
375 					tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
377 					tz->trips.passive.tc1 = tmp;  in acpi_thermal_trips_update()
379 						tz->device->handle, "_TC2",  in acpi_thermal_trips_update()
382 					tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
384 					tz->trips.passive.tc2 = tmp;  in acpi_thermal_trips_update()
386 						tz->device->handle, "_TSP",  in acpi_thermal_trips_update()
389 					tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
391 					tz->trips.passive.tsp = tmp;  in acpi_thermal_trips_update()
395 	if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.passive.flags.valid) {  in acpi_thermal_trips_update()
397 		status = acpi_evaluate_reference(tz->device->handle, "_PSL",  in acpi_thermal_trips_update()
401 			tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
404 			tz->trips.passive.flags.valid = 1;  in acpi_thermal_trips_update()
406 		if (memcmp(&tz->trips.passive.devices, &devices,  in acpi_thermal_trips_update()
408 			memcpy(&tz->trips.passive.devices, &devices,  in acpi_thermal_trips_update()
414 		if (valid != tz->trips.passive.flags.valid)  in acpi_thermal_trips_update()
421 		valid = tz->trips.active[i].flags.valid;  in acpi_thermal_trips_update()
427 			tz->trips.active[i].flags.valid)) {  in acpi_thermal_trips_update()
428 			status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
431 				tz->trips.active[i].flags.valid = 0;  in acpi_thermal_trips_update()
437 					tz->trips.active[0].temperature =  in acpi_thermal_trips_update()
444 					tz->trips.active[i - 1].temperature =  in acpi_thermal_trips_update()
445 						(tz->trips.active[i - 2].temperature <  in acpi_thermal_trips_update()
447 						tz->trips.active[i - 2].temperature :  in acpi_thermal_trips_update()
451 				tz->trips.active[i].temperature = tmp;  in acpi_thermal_trips_update()
452 				tz->trips.active[i].flags.valid = 1;  in acpi_thermal_trips_update()
457 		if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.active[i].flags.valid ) {  in acpi_thermal_trips_update()
459 			status = acpi_evaluate_reference(tz->device->handle,  in acpi_thermal_trips_update()
464 				tz->trips.active[i].flags.valid = 0;  in acpi_thermal_trips_update()
467 				tz->trips.active[i].flags.valid = 1;  in acpi_thermal_trips_update()
469 			if (memcmp(&tz->trips.active[i].devices, &devices,  in acpi_thermal_trips_update()
471 				memcpy(&tz->trips.active[i].devices, &devices,  in acpi_thermal_trips_update()
477 			if (valid != tz->trips.active[i].flags.valid)  in acpi_thermal_trips_update()
480 		if (!tz->trips.active[i].flags.valid)  in acpi_thermal_trips_update()
485 	    && acpi_has_method(tz->device->handle, "_TZD")) {  in acpi_thermal_trips_update()
487 		status = acpi_evaluate_reference(tz->device->handle, "_TZD",  in acpi_thermal_trips_update()
490 		    && memcmp(&tz->devices, &devices, sizeof(devices))) {  in acpi_thermal_trips_update()
491 			tz->devices = devices;  in acpi_thermal_trips_update()
499 static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)  in acpi_thermal_get_trip_points()  argument
501 	int i, valid, ret = acpi_thermal_trips_update(tz, ACPI_TRIPS_INIT);  in acpi_thermal_get_trip_points()
506 	valid = tz->trips.critical.flags.valid |  in acpi_thermal_get_trip_points()
507 		tz->trips.hot.flags.valid |  in acpi_thermal_get_trip_points()
508 		tz->trips.passive.flags.valid;  in acpi_thermal_get_trip_points()
511 		valid |= tz->trips.active[i].flags.valid;  in acpi_thermal_get_trip_points()
522 	struct acpi_thermal *tz = data;  in acpi_thermal_check()  local
524 	if (!tz->tz_enabled)  in acpi_thermal_check()
527 	thermal_zone_device_update(tz->thermal_zone);  in acpi_thermal_check()
535 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_temp()  local
538 	if (!tz)  in thermal_get_temp()
541 	result = acpi_thermal_get_temperature(tz);  in thermal_get_temp()
545 	*temp = DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(tz->temperature,  in thermal_get_temp()
546 							tz->kelvin_offset);  in thermal_get_temp()
553 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_mode()  local
555 	if (!tz)  in thermal_get_mode()
558 	*mode = tz->tz_enabled ? THERMAL_DEVICE_ENABLED :  in thermal_get_mode()
567 	struct acpi_thermal *tz = thermal->devdata;  in thermal_set_mode()  local
570 	if (!tz)  in thermal_set_mode()
584 	if (enable != tz->tz_enabled) {  in thermal_set_mode()
585 		tz->tz_enabled = enable;  in thermal_set_mode()
588 			tz->tz_enabled ? "Enable" : "Disable"));  in thermal_set_mode()
589 		acpi_thermal_check(tz);  in thermal_set_mode()
597 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_trip_type()  local
600 	if (!tz || trip < 0)  in thermal_get_trip_type()
603 	if (tz->trips.critical.flags.valid) {  in thermal_get_trip_type()
611 	if (tz->trips.hot.flags.valid) {  in thermal_get_trip_type()
619 	if (tz->trips.passive.flags.valid) {  in thermal_get_trip_type()
628 		tz->trips.active[i].flags.valid; i++) {  in thermal_get_trip_type()
642 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_trip_temp()  local
645 	if (!tz || trip < 0)  in thermal_get_trip_temp()
648 	if (tz->trips.critical.flags.valid) {  in thermal_get_trip_temp()
651 				tz->trips.critical.temperature,  in thermal_get_trip_temp()
652 				tz->kelvin_offset);  in thermal_get_trip_temp()
658 	if (tz->trips.hot.flags.valid) {  in thermal_get_trip_temp()
661 				tz->trips.hot.temperature,  in thermal_get_trip_temp()
662 				tz->kelvin_offset);  in thermal_get_trip_temp()
668 	if (tz->trips.passive.flags.valid) {  in thermal_get_trip_temp()
671 				tz->trips.passive.temperature,  in thermal_get_trip_temp()
672 				tz->kelvin_offset);  in thermal_get_trip_temp()
679 		tz->trips.active[i].flags.valid; i++) {  in thermal_get_trip_temp()
682 				tz->trips.active[i].temperature,  in thermal_get_trip_temp()
683 				tz->kelvin_offset);  in thermal_get_trip_temp()
694 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_crit_temp()  local
696 	if (tz->trips.critical.flags.valid) {  in thermal_get_crit_temp()
698 				tz->trips.critical.temperature,  in thermal_get_crit_temp()
699 				tz->kelvin_offset);  in thermal_get_crit_temp()
708 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_trend()  local
718 					tz->temperature, tz->kelvin_offset);  in thermal_get_trend()
735 	i = (tz->trips.passive.tc1 * (tz->temperature - tz->last_temperature))  in thermal_get_trend()
736 		+ (tz->trips.passive.tc2  in thermal_get_trend()
737 		* (tz->temperature - tz->trips.passive.temperature));  in thermal_get_trend()
753 	struct acpi_thermal *tz = thermal->devdata;  in thermal_notify()  local
762 	acpi_bus_generate_netlink_event(tz->device->pnp.device_class,  in thermal_notify()
763 					dev_name(&tz->device->dev), type, 1);  in thermal_notify()
776 	struct acpi_thermal *tz = thermal->devdata;  in acpi_thermal_cooling_device_cb()  local
785 	if (tz->trips.critical.flags.valid)  in acpi_thermal_cooling_device_cb()
788 	if (tz->trips.hot.flags.valid)  in acpi_thermal_cooling_device_cb()
791 	if (tz->trips.passive.flags.valid) {  in acpi_thermal_cooling_device_cb()
793 		for (i = 0; i < tz->trips.passive.devices.count;  in acpi_thermal_cooling_device_cb()
795 			handle = tz->trips.passive.devices.handles[i];  in acpi_thermal_cooling_device_cb()
814 		if (!tz->trips.active[i].flags.valid)  in acpi_thermal_cooling_device_cb()
818 		    j < tz->trips.active[i].devices.count;  in acpi_thermal_cooling_device_cb()
820 			handle = tz->trips.active[i].devices.handles[j];  in acpi_thermal_cooling_device_cb()
836 	for (i = 0; i < tz->devices.count; i++) {  in acpi_thermal_cooling_device_cb()
837 		handle = tz->devices.handles[i];  in acpi_thermal_cooling_device_cb()
885 static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)  in acpi_thermal_register_thermal_zone()  argument
892 	if (tz->trips.critical.flags.valid)  in acpi_thermal_register_thermal_zone()
895 	if (tz->trips.hot.flags.valid)  in acpi_thermal_register_thermal_zone()
898 	if (tz->trips.passive.flags.valid)  in acpi_thermal_register_thermal_zone()
902 			tz->trips.active[i].flags.valid; i++, trips++);  in acpi_thermal_register_thermal_zone()
904 	if (tz->trips.passive.flags.valid)  in acpi_thermal_register_thermal_zone()
905 		tz->thermal_zone =  in acpi_thermal_register_thermal_zone()
906 			thermal_zone_device_register("acpitz", trips, 0, tz,  in acpi_thermal_register_thermal_zone()
908 						     tz->trips.passive.tsp*100,  in acpi_thermal_register_thermal_zone()
909 						     tz->polling_frequency*100);  in acpi_thermal_register_thermal_zone()
911 		tz->thermal_zone =  in acpi_thermal_register_thermal_zone()
912 			thermal_zone_device_register("acpitz", trips, 0, tz,  in acpi_thermal_register_thermal_zone()
914 						0, tz->polling_frequency*100);  in acpi_thermal_register_thermal_zone()
915 	if (IS_ERR(tz->thermal_zone))  in acpi_thermal_register_thermal_zone()
918 	result = sysfs_create_link(&tz->device->dev.kobj,  in acpi_thermal_register_thermal_zone()
919 				   &tz->thermal_zone->device.kobj, "thermal_zone");  in acpi_thermal_register_thermal_zone()
923 	result = sysfs_create_link(&tz->thermal_zone->device.kobj,  in acpi_thermal_register_thermal_zone()
924 				   &tz->device->dev.kobj, "device");  in acpi_thermal_register_thermal_zone()
928 	status =  acpi_bus_attach_private_data(tz->device->handle,  in acpi_thermal_register_thermal_zone()
929 					       tz->thermal_zone);  in acpi_thermal_register_thermal_zone()
933 	tz->tz_enabled = 1;  in acpi_thermal_register_thermal_zone()
935 	dev_info(&tz->device->dev, "registered as thermal_zone%d\n",  in acpi_thermal_register_thermal_zone()
936 		 tz->thermal_zone->id);  in acpi_thermal_register_thermal_zone()
940 static void acpi_thermal_unregister_thermal_zone(struct acpi_thermal *tz)  in acpi_thermal_unregister_thermal_zone()  argument
942 	sysfs_remove_link(&tz->device->dev.kobj, "thermal_zone");  in acpi_thermal_unregister_thermal_zone()
943 	sysfs_remove_link(&tz->thermal_zone->device.kobj, "device");  in acpi_thermal_unregister_thermal_zone()
944 	thermal_zone_device_unregister(tz->thermal_zone);  in acpi_thermal_unregister_thermal_zone()
945 	tz->thermal_zone = NULL;  in acpi_thermal_unregister_thermal_zone()
946 	acpi_bus_detach_private_data(tz->device->handle);  in acpi_thermal_unregister_thermal_zone()
956 	struct acpi_thermal *tz = acpi_driver_data(device);  in acpi_thermal_notify()  local
959 	if (!tz)  in acpi_thermal_notify()
964 		acpi_thermal_check(tz);  in acpi_thermal_notify()
967 		acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_THRESHOLDS);  in acpi_thermal_notify()
968 		acpi_thermal_check(tz);  in acpi_thermal_notify()
973 		acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_DEVICES);  in acpi_thermal_notify()
974 		acpi_thermal_check(tz);  in acpi_thermal_notify()
997 static void acpi_thermal_aml_dependency_fix(struct acpi_thermal *tz)  in acpi_thermal_aml_dependency_fix()  argument
999 	acpi_handle handle = tz->device->handle;  in acpi_thermal_aml_dependency_fix()
1017 static int acpi_thermal_get_info(struct acpi_thermal *tz)  in acpi_thermal_get_info()  argument
1022 	if (!tz)  in acpi_thermal_get_info()
1025 	acpi_thermal_aml_dependency_fix(tz);  in acpi_thermal_get_info()
1028 	result = acpi_thermal_get_trip_points(tz);  in acpi_thermal_get_info()
1033 	result = acpi_thermal_get_temperature(tz);  in acpi_thermal_get_info()
1038 	result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE);  in acpi_thermal_get_info()
1040 		tz->flags.cooling_mode = 1;  in acpi_thermal_get_info()
1044 		tz->polling_frequency = tzp;  in acpi_thermal_get_info()
1046 		acpi_thermal_get_polling_frequency(tz);  in acpi_thermal_get_info()
1061 static void acpi_thermal_guess_offset(struct acpi_thermal *tz)  in acpi_thermal_guess_offset()  argument
1063 	if (tz->trips.critical.flags.valid &&  in acpi_thermal_guess_offset()
1064 	    (tz->trips.critical.temperature % 5) == 1)  in acpi_thermal_guess_offset()
1065 		tz->kelvin_offset = 2731;  in acpi_thermal_guess_offset()
1067 		tz->kelvin_offset = 2732;  in acpi_thermal_guess_offset()
1072 	struct acpi_thermal *tz = container_of(work, struct acpi_thermal,  in acpi_thermal_check_fn()  local
1074 	acpi_thermal_check(tz);  in acpi_thermal_check_fn()
1080 	struct acpi_thermal *tz = NULL;  in acpi_thermal_add()  local
1086 	tz = kzalloc(sizeof(struct acpi_thermal), GFP_KERNEL);  in acpi_thermal_add()
1087 	if (!tz)  in acpi_thermal_add()
1090 	tz->device = device;  in acpi_thermal_add()
1091 	strcpy(tz->name, device->pnp.bus_id);  in acpi_thermal_add()
1094 	device->driver_data = tz;  in acpi_thermal_add()
1096 	result = acpi_thermal_get_info(tz);  in acpi_thermal_add()
1100 	acpi_thermal_guess_offset(tz);  in acpi_thermal_add()
1102 	result = acpi_thermal_register_thermal_zone(tz);  in acpi_thermal_add()
1106 	INIT_WORK(&tz->thermal_check_work, acpi_thermal_check_fn);  in acpi_thermal_add()
1109 		acpi_device_bid(device), KELVIN_TO_CELSIUS(tz->temperature));  in acpi_thermal_add()
1113 	kfree(tz);  in acpi_thermal_add()
1120 	struct acpi_thermal *tz = NULL;  in acpi_thermal_remove()  local
1126 	tz = acpi_driver_data(device);  in acpi_thermal_remove()
1128 	acpi_thermal_unregister_thermal_zone(tz);  in acpi_thermal_remove()
1129 	kfree(tz);  in acpi_thermal_remove()
1143 	struct acpi_thermal *tz;  in acpi_thermal_resume()  local
1149 	tz = acpi_driver_data(to_acpi_device(dev));  in acpi_thermal_resume()
1150 	if (!tz)  in acpi_thermal_resume()
1154 		if (!(&tz->trips.active[i]))  in acpi_thermal_resume()
1156 		if (!tz->trips.active[i].flags.valid)  in acpi_thermal_resume()
1158 		tz->trips.active[i].flags.enabled = 1;  in acpi_thermal_resume()
1159 		for (j = 0; j < tz->trips.active[i].devices.count; j++) {  in acpi_thermal_resume()
1161 					tz->trips.active[i].devices.handles[j],  in acpi_thermal_resume()
1164 				tz->trips.active[i].flags.enabled = 0;  in acpi_thermal_resume()
1168 		tz->state.active |= tz->trips.active[i].flags.enabled;  in acpi_thermal_resume()
1171 	queue_work(acpi_thermal_pm_queue, &tz->thermal_check_work);  in acpi_thermal_resume()