197 static int acpi_thermal_get_temperature(struct acpi_thermal *tz)  in acpi_thermal_get_temperature()  argument
202 	if (!tz)  in acpi_thermal_get_temperature()
205 	tz->last_temperature = tz->temperature;  in acpi_thermal_get_temperature()
207 	status = acpi_evaluate_integer(tz->device->handle, "_TMP", NULL, &tmp);  in acpi_thermal_get_temperature()
211 	tz->temperature = tmp;  in acpi_thermal_get_temperature()
213 			  tz->temperature));  in acpi_thermal_get_temperature()
218 static int acpi_thermal_get_polling_frequency(struct acpi_thermal *tz)  in acpi_thermal_get_polling_frequency()  argument
223 	if (!tz)  in acpi_thermal_get_polling_frequency()
226 	status = acpi_evaluate_integer(tz->device->handle, "_TZP", NULL, &tmp);  in acpi_thermal_get_polling_frequency()
230 	tz->polling_frequency = tmp;  in acpi_thermal_get_polling_frequency()
232 			  tz->polling_frequency));  in acpi_thermal_get_polling_frequency()
237 static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode)  in acpi_thermal_set_cooling_mode()  argument
239 	if (!tz)  in acpi_thermal_set_cooling_mode()
242 	if (!acpi_has_method(tz->device->handle, "_SCP")) {  in acpi_thermal_set_cooling_mode()
245 	} else if (ACPI_FAILURE(acpi_execute_simple_method(tz->device->handle,  in acpi_thermal_set_cooling_mode()
281 static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)  in acpi_thermal_trips_update()  argument
291 		status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
293 		tz->trips.critical.temperature = tmp;  in acpi_thermal_trips_update()
301 			tz->trips.critical.flags.valid = 0;  in acpi_thermal_trips_update()
307 			tz->trips.critical.flags.valid = 0;  in acpi_thermal_trips_update()
309 			tz->trips.critical.flags.valid = 1;  in acpi_thermal_trips_update()
312 					  tz->trips.critical.temperature));  in acpi_thermal_trips_update()
314 		if (tz->trips.critical.flags.valid == 1) {  in acpi_thermal_trips_update()
316 				tz->trips.critical.flags.valid = 0;  in acpi_thermal_trips_update()
322 				if (crt_k > tz->trips.critical.temperature)  in acpi_thermal_trips_update()
325 				tz->trips.critical.temperature = crt_k;  in acpi_thermal_trips_update()
332 		status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
335 			tz->trips.hot.flags.valid = 0;  in acpi_thermal_trips_update()
339 			tz->trips.hot.temperature = tmp;  in acpi_thermal_trips_update()
340 			tz->trips.hot.flags.valid = 1;  in acpi_thermal_trips_update()
343 					tz->trips.hot.temperature));  in acpi_thermal_trips_update()
348 	if (((flag & ACPI_TRIPS_PASSIVE) && tz->trips.passive.flags.valid) ||  in acpi_thermal_trips_update()
350 		valid = tz->trips.passive.flags.valid;  in acpi_thermal_trips_update()
357 			status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
362 			tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
364 			tz->trips.passive.temperature = tmp;  in acpi_thermal_trips_update()
365 			tz->trips.passive.flags.valid = 1;  in acpi_thermal_trips_update()
368 						tz->device->handle, "_TC1",  in acpi_thermal_trips_update()
371 					tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
373 					tz->trips.passive.tc1 = tmp;  in acpi_thermal_trips_update()
375 						tz->device->handle, "_TC2",  in acpi_thermal_trips_update()
378 					tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
380 					tz->trips.passive.tc2 = tmp;  in acpi_thermal_trips_update()
382 						tz->device->handle, "_TSP",  in acpi_thermal_trips_update()
385 					tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
387 					tz->trips.passive.tsp = tmp;  in acpi_thermal_trips_update()
391 	if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.passive.flags.valid) {  in acpi_thermal_trips_update()
393 		status = acpi_evaluate_reference(tz->device->handle, "_PSL",  in acpi_thermal_trips_update()
397 			tz->trips.passive.flags.valid = 0;  in acpi_thermal_trips_update()
400 			tz->trips.passive.flags.valid = 1;  in acpi_thermal_trips_update()
402 		if (memcmp(&tz->trips.passive.devices, &devices,  in acpi_thermal_trips_update()
404 			memcpy(&tz->trips.passive.devices, &devices,  in acpi_thermal_trips_update()
410 		if (valid != tz->trips.passive.flags.valid)  in acpi_thermal_trips_update()
417 		valid = tz->trips.active[i].flags.valid;  in acpi_thermal_trips_update()
423 			tz->trips.active[i].flags.valid)) {  in acpi_thermal_trips_update()
424 			status = acpi_evaluate_integer(tz->device->handle,  in acpi_thermal_trips_update()
427 				tz->trips.active[i].flags.valid = 0;  in acpi_thermal_trips_update()
433 					tz->trips.active[0].temperature =  in acpi_thermal_trips_update()
440 					tz->trips.active[i - 1].temperature =  in acpi_thermal_trips_update()
441 						(tz->trips.active[i - 2].temperature <  in acpi_thermal_trips_update()
443 						tz->trips.active[i - 2].temperature :  in acpi_thermal_trips_update()
447 				tz->trips.active[i].temperature = tmp;  in acpi_thermal_trips_update()
448 				tz->trips.active[i].flags.valid = 1;  in acpi_thermal_trips_update()
453 		if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.active[i].flags.valid ) {  in acpi_thermal_trips_update()
455 			status = acpi_evaluate_reference(tz->device->handle,  in acpi_thermal_trips_update()
460 				tz->trips.active[i].flags.valid = 0;  in acpi_thermal_trips_update()
463 				tz->trips.active[i].flags.valid = 1;  in acpi_thermal_trips_update()
465 			if (memcmp(&tz->trips.active[i].devices, &devices,  in acpi_thermal_trips_update()
467 				memcpy(&tz->trips.active[i].devices, &devices,  in acpi_thermal_trips_update()
473 			if (valid != tz->trips.active[i].flags.valid)  in acpi_thermal_trips_update()
476 		if (!tz->trips.active[i].flags.valid)  in acpi_thermal_trips_update()
481 	    && acpi_has_method(tz->device->handle, "_TZD")) {  in acpi_thermal_trips_update()
483 		status = acpi_evaluate_reference(tz->device->handle, "_TZD",  in acpi_thermal_trips_update()
486 		    && memcmp(&tz->devices, &devices, sizeof(devices))) {  in acpi_thermal_trips_update()
487 			tz->devices = devices;  in acpi_thermal_trips_update()
495 static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)  in acpi_thermal_get_trip_points()  argument
497 	int i, valid, ret = acpi_thermal_trips_update(tz, ACPI_TRIPS_INIT);  in acpi_thermal_get_trip_points()
502 	valid = tz->trips.critical.flags.valid |  in acpi_thermal_get_trip_points()
503 		tz->trips.hot.flags.valid |  in acpi_thermal_get_trip_points()
504 		tz->trips.passive.flags.valid;  in acpi_thermal_get_trip_points()
507 		valid |= tz->trips.active[i].flags.valid;  in acpi_thermal_get_trip_points()
518 	struct acpi_thermal *tz = data;  in acpi_thermal_check()  local
520 	if (!tz->tz_enabled)  in acpi_thermal_check()
523 	thermal_zone_device_update(tz->thermal_zone);  in acpi_thermal_check()
530 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_temp()  local
533 	if (!tz)  in thermal_get_temp()
536 	result = acpi_thermal_get_temperature(tz);  in thermal_get_temp()
540 	*temp = DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(tz->temperature,  in thermal_get_temp()
541 							tz->kelvin_offset);  in thermal_get_temp()
548 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_mode()  local
550 	if (!tz)  in thermal_get_mode()
553 	*mode = tz->tz_enabled ? THERMAL_DEVICE_ENABLED :  in thermal_get_mode()
562 	struct acpi_thermal *tz = thermal->devdata;  in thermal_set_mode()  local
565 	if (!tz)  in thermal_set_mode()
579 	if (enable != tz->tz_enabled) {  in thermal_set_mode()
580 		tz->tz_enabled = enable;  in thermal_set_mode()
583 			tz->tz_enabled ? "Enable" : "Disable"));  in thermal_set_mode()
584 		acpi_thermal_check(tz);  in thermal_set_mode()
592 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_trip_type()  local
595 	if (!tz || trip < 0)  in thermal_get_trip_type()
598 	if (tz->trips.critical.flags.valid) {  in thermal_get_trip_type()
606 	if (tz->trips.hot.flags.valid) {  in thermal_get_trip_type()
614 	if (tz->trips.passive.flags.valid) {  in thermal_get_trip_type()
623 		tz->trips.active[i].flags.valid; i++) {  in thermal_get_trip_type()
637 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_trip_temp()  local
640 	if (!tz || trip < 0)  in thermal_get_trip_temp()
643 	if (tz->trips.critical.flags.valid) {  in thermal_get_trip_temp()
646 				tz->trips.critical.temperature,  in thermal_get_trip_temp()
647 				tz->kelvin_offset);  in thermal_get_trip_temp()
653 	if (tz->trips.hot.flags.valid) {  in thermal_get_trip_temp()
656 				tz->trips.hot.temperature,  in thermal_get_trip_temp()
657 				tz->kelvin_offset);  in thermal_get_trip_temp()
663 	if (tz->trips.passive.flags.valid) {  in thermal_get_trip_temp()
666 				tz->trips.passive.temperature,  in thermal_get_trip_temp()
667 				tz->kelvin_offset);  in thermal_get_trip_temp()
674 		tz->trips.active[i].flags.valid; i++) {  in thermal_get_trip_temp()
677 				tz->trips.active[i].temperature,  in thermal_get_trip_temp()
678 				tz->kelvin_offset);  in thermal_get_trip_temp()
690 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_crit_temp()  local
692 	if (tz->trips.critical.flags.valid) {  in thermal_get_crit_temp()
694 				tz->trips.critical.temperature,  in thermal_get_crit_temp()
695 				tz->kelvin_offset);  in thermal_get_crit_temp()
704 	struct acpi_thermal *tz = thermal->devdata;  in thermal_get_trend()  local
714 					tz->temperature, tz->kelvin_offset);  in thermal_get_trend()
731 	i = (tz->trips.passive.tc1 * (tz->temperature - tz->last_temperature))  in thermal_get_trend()
732 		+ (tz->trips.passive.tc2  in thermal_get_trend()
733 		* (tz->temperature - tz->trips.passive.temperature));  in thermal_get_trend()
749 	struct acpi_thermal *tz = thermal->devdata;  in thermal_notify()  local
758 	acpi_bus_generate_netlink_event(tz->device->pnp.device_class,  in thermal_notify()
759 					dev_name(&tz->device->dev), type, 1);  in thermal_notify()
772 	struct acpi_thermal *tz = thermal->devdata;  in acpi_thermal_cooling_device_cb()  local
781 	if (tz->trips.critical.flags.valid)  in acpi_thermal_cooling_device_cb()
784 	if (tz->trips.hot.flags.valid)  in acpi_thermal_cooling_device_cb()
787 	if (tz->trips.passive.flags.valid) {  in acpi_thermal_cooling_device_cb()
789 		for (i = 0; i < tz->trips.passive.devices.count;  in acpi_thermal_cooling_device_cb()
791 			handle = tz->trips.passive.devices.handles[i];  in acpi_thermal_cooling_device_cb()
811 		if (!tz->trips.active[i].flags.valid)  in acpi_thermal_cooling_device_cb()
815 		    j < tz->trips.active[i].devices.count;  in acpi_thermal_cooling_device_cb()
817 			handle = tz->trips.active[i].devices.handles[j];  in acpi_thermal_cooling_device_cb()
834 	for (i = 0; i < tz->devices.count; i++) {  in acpi_thermal_cooling_device_cb()
835 		handle = tz->devices.handles[i];  in acpi_thermal_cooling_device_cb()
884 static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)  in acpi_thermal_register_thermal_zone()  argument
891 	if (tz->trips.critical.flags.valid)  in acpi_thermal_register_thermal_zone()
894 	if (tz->trips.hot.flags.valid)  in acpi_thermal_register_thermal_zone()
897 	if (tz->trips.passive.flags.valid)  in acpi_thermal_register_thermal_zone()
901 			tz->trips.active[i].flags.valid; i++, trips++);  in acpi_thermal_register_thermal_zone()
903 	if (tz->trips.passive.flags.valid)  in acpi_thermal_register_thermal_zone()
904 		tz->thermal_zone =  in acpi_thermal_register_thermal_zone()
905 			thermal_zone_device_register("acpitz", trips, 0, tz,  in acpi_thermal_register_thermal_zone()
907 						     tz->trips.passive.tsp*100,  in acpi_thermal_register_thermal_zone()
908 						     tz->polling_frequency*100);  in acpi_thermal_register_thermal_zone()
910 		tz->thermal_zone =  in acpi_thermal_register_thermal_zone()
911 			thermal_zone_device_register("acpitz", trips, 0, tz,  in acpi_thermal_register_thermal_zone()
913 						0, tz->polling_frequency*100);  in acpi_thermal_register_thermal_zone()
914 	if (IS_ERR(tz->thermal_zone))  in acpi_thermal_register_thermal_zone()
917 	result = sysfs_create_link(&tz->device->dev.kobj,  in acpi_thermal_register_thermal_zone()
918 				   &tz->thermal_zone->device.kobj, "thermal_zone");  in acpi_thermal_register_thermal_zone()
922 	result = sysfs_create_link(&tz->thermal_zone->device.kobj,  in acpi_thermal_register_thermal_zone()
923 				   &tz->device->dev.kobj, "device");  in acpi_thermal_register_thermal_zone()
927 	status =  acpi_bus_attach_private_data(tz->device->handle,  in acpi_thermal_register_thermal_zone()
928 					       tz->thermal_zone);  in acpi_thermal_register_thermal_zone()
932 	tz->tz_enabled = 1;  in acpi_thermal_register_thermal_zone()
934 	dev_info(&tz->device->dev, "registered as thermal_zone%d\n",  in acpi_thermal_register_thermal_zone()
935 		 tz->thermal_zone->id);  in acpi_thermal_register_thermal_zone()
939 static void acpi_thermal_unregister_thermal_zone(struct acpi_thermal *tz)  in acpi_thermal_unregister_thermal_zone()  argument
941 	sysfs_remove_link(&tz->device->dev.kobj, "thermal_zone");  in acpi_thermal_unregister_thermal_zone()
942 	sysfs_remove_link(&tz->thermal_zone->device.kobj, "device");  in acpi_thermal_unregister_thermal_zone()
943 	thermal_zone_device_unregister(tz->thermal_zone);  in acpi_thermal_unregister_thermal_zone()
944 	tz->thermal_zone = NULL;  in acpi_thermal_unregister_thermal_zone()
945 	acpi_bus_detach_private_data(tz->device->handle);  in acpi_thermal_unregister_thermal_zone()
955 	struct acpi_thermal *tz = acpi_driver_data(device);  in acpi_thermal_notify()  local
958 	if (!tz)  in acpi_thermal_notify()
963 		acpi_thermal_check(tz);  in acpi_thermal_notify()
966 		acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_THRESHOLDS);  in acpi_thermal_notify()
967 		acpi_thermal_check(tz);  in acpi_thermal_notify()
972 		acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_DEVICES);  in acpi_thermal_notify()
973 		acpi_thermal_check(tz);  in acpi_thermal_notify()
996 static void acpi_thermal_aml_dependency_fix(struct acpi_thermal *tz)  in acpi_thermal_aml_dependency_fix()  argument
998 	acpi_handle handle = tz->device->handle;  in acpi_thermal_aml_dependency_fix()
1016 static int acpi_thermal_get_info(struct acpi_thermal *tz)  in acpi_thermal_get_info()  argument
1021 	if (!tz)  in acpi_thermal_get_info()
1024 	acpi_thermal_aml_dependency_fix(tz);  in acpi_thermal_get_info()
1027 	result = acpi_thermal_get_trip_points(tz);  in acpi_thermal_get_info()
1032 	result = acpi_thermal_get_temperature(tz);  in acpi_thermal_get_info()
1037 	result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE);  in acpi_thermal_get_info()
1039 		tz->flags.cooling_mode = 1;  in acpi_thermal_get_info()
1043 		tz->polling_frequency = tzp;  in acpi_thermal_get_info()
1045 		acpi_thermal_get_polling_frequency(tz);  in acpi_thermal_get_info()
1060 static void acpi_thermal_guess_offset(struct acpi_thermal *tz)  in acpi_thermal_guess_offset()  argument
1062 	if (tz->trips.critical.flags.valid &&  in acpi_thermal_guess_offset()
1063 	    (tz->trips.critical.temperature % 5) == 1)  in acpi_thermal_guess_offset()
1064 		tz->kelvin_offset = 2731;  in acpi_thermal_guess_offset()
1066 		tz->kelvin_offset = 2732;  in acpi_thermal_guess_offset()
1071 	struct acpi_thermal *tz = container_of(work, struct acpi_thermal,  in acpi_thermal_check_fn()  local
1073 	acpi_thermal_check(tz);  in acpi_thermal_check_fn()
1079 	struct acpi_thermal *tz = NULL;  in acpi_thermal_add()  local
1085 	tz = kzalloc(sizeof(struct acpi_thermal), GFP_KERNEL);  in acpi_thermal_add()
1086 	if (!tz)  in acpi_thermal_add()
1089 	tz->device = device;  in acpi_thermal_add()
1090 	strcpy(tz->name, device->pnp.bus_id);  in acpi_thermal_add()
1093 	device->driver_data = tz;  in acpi_thermal_add()
1095 	result = acpi_thermal_get_info(tz);  in acpi_thermal_add()
1099 	acpi_thermal_guess_offset(tz);  in acpi_thermal_add()
1101 	result = acpi_thermal_register_thermal_zone(tz);  in acpi_thermal_add()
1105 	INIT_WORK(&tz->thermal_check_work, acpi_thermal_check_fn);  in acpi_thermal_add()
1108 		acpi_device_bid(device), DECI_KELVIN_TO_CELSIUS(tz->temperature));  in acpi_thermal_add()
1112 	kfree(tz);  in acpi_thermal_add()
1119 	struct acpi_thermal *tz = NULL;  in acpi_thermal_remove()  local
1125 	tz = acpi_driver_data(device);  in acpi_thermal_remove()
1127 	acpi_thermal_unregister_thermal_zone(tz);  in acpi_thermal_remove()
1128 	kfree(tz);  in acpi_thermal_remove()
1142 	struct acpi_thermal *tz;  in acpi_thermal_resume()  local
1148 	tz = acpi_driver_data(to_acpi_device(dev));  in acpi_thermal_resume()
1149 	if (!tz)  in acpi_thermal_resume()
1153 		if (!(&tz->trips.active[i]))  in acpi_thermal_resume()
1155 		if (!tz->trips.active[i].flags.valid)  in acpi_thermal_resume()
1157 		tz->trips.active[i].flags.enabled = 1;  in acpi_thermal_resume()
1158 		for (j = 0; j < tz->trips.active[i].devices.count; j++) {  in acpi_thermal_resume()
1160 					tz->trips.active[i].devices.handles[j],  in acpi_thermal_resume()
1163 				tz->trips.active[i].flags.enabled = 0;  in acpi_thermal_resume()
1167 		tz->state.active |= tz->trips.active[i].flags.enabled;  in acpi_thermal_resume()
1170 	queue_work(acpi_thermal_pm_queue, &tz->thermal_check_work);  in acpi_thermal_resume()