207 	struct acpi_video_bus *video;  member
222 static void acpi_video_device_rebind(struct acpi_video_bus *video);
223 static void acpi_video_device_bind(struct acpi_video_bus *video,
225 static int acpi_video_device_enumerate(struct acpi_video_bus *video);
275 	struct acpi_video_device *video = acpi_driver_data(device);  in video_get_max_state()  local
277 	*state = video->brightness->count - 3;  in video_get_max_state()
285 	struct acpi_video_device *video = acpi_driver_data(device);  in video_get_cur_state()  local
289 	if (acpi_video_device_lcd_get_level_current(video, &level, false))  in video_get_cur_state()
291 	for (offset = 2; offset < video->brightness->count; offset++)  in video_get_cur_state()
292 		if (level == video->brightness->levels[offset]) {  in video_get_cur_state()
293 			*state = video->brightness->count - offset - 1;  in video_get_cur_state()
304 	struct acpi_video_device *video = acpi_driver_data(device);  in video_set_cur_state()  local
307 	if (state >= video->brightness->count - 2)  in video_set_cur_state()
310 	state = video->brightness->count - state;  in video_set_cur_state()
311 	level = video->brightness->levels[state - 1];  in video_set_cur_state()
312 	return acpi_video_device_lcd_set_level(video, level);  in video_set_cur_state()
667 acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag)  in acpi_video_bus_DOS()  argument
671 	if (!video->cap._DOS)  in acpi_video_bus_DOS()
676 	video->dos_setting = (lcd_flag << 2) | bios_flag;  in acpi_video_bus_DOS()
677 	status = acpi_execute_simple_method(video->device->handle, "_DOS",  in acpi_video_bus_DOS()
935 static void acpi_video_bus_find_cap(struct acpi_video_bus *video)  in acpi_video_bus_find_cap()  argument
937 	if (acpi_has_method(video->device->handle, "_DOS"))  in acpi_video_bus_find_cap()
938 		video->cap._DOS = 1;  in acpi_video_bus_find_cap()
939 	if (acpi_has_method(video->device->handle, "_DOD"))  in acpi_video_bus_find_cap()
940 		video->cap._DOD = 1;  in acpi_video_bus_find_cap()
941 	if (acpi_has_method(video->device->handle, "_ROM"))  in acpi_video_bus_find_cap()
942 		video->cap._ROM = 1;  in acpi_video_bus_find_cap()
943 	if (acpi_has_method(video->device->handle, "_GPD"))  in acpi_video_bus_find_cap()
944 		video->cap._GPD = 1;  in acpi_video_bus_find_cap()
945 	if (acpi_has_method(video->device->handle, "_SPD"))  in acpi_video_bus_find_cap()
946 		video->cap._SPD = 1;  in acpi_video_bus_find_cap()
947 	if (acpi_has_method(video->device->handle, "_VPO"))  in acpi_video_bus_find_cap()
948 		video->cap._VPO = 1;  in acpi_video_bus_find_cap()
956 static int acpi_video_bus_check(struct acpi_video_bus *video)  in acpi_video_bus_check()  argument
961 	if (!video)  in acpi_video_bus_check()
964 	dev = acpi_get_pci_dev(video->device->handle);  in acpi_video_bus_check()
975 	if (video->cap._DOS || video->cap._DOD) {  in acpi_video_bus_check()
976 		if (!video->cap._DOS) {  in acpi_video_bus_check()
979 				acpi_device_bid(video->device));  in acpi_video_bus_check()
981 		video->flags.multihead = 1;  in acpi_video_bus_check()
986 	if (video->cap._ROM) {  in acpi_video_bus_check()
987 		video->flags.rom = 1;  in acpi_video_bus_check()
992 	if (video->cap._GPD && video->cap._SPD && video->cap._VPO) {  in acpi_video_bus_check()
993 		video->flags.post = 1;  in acpi_video_bus_check()
1008 acpi_video_get_device_attr(struct acpi_video_bus *video, unsigned long device_id)  in acpi_video_get_device_attr()  argument
1013 	for (i = 0; i < video->attached_count; i++) {  in acpi_video_get_device_attr()
1014 		ids = &video->attached_array[i];  in acpi_video_get_device_attr()
1023 acpi_video_get_device_type(struct acpi_video_bus *video,  in acpi_video_get_device_type()  argument
1029 	for (i = 0; i < video->attached_count; i++) {  in acpi_video_get_device_type()
1030 		ids = &video->attached_array[i];  in acpi_video_get_device_type()
1040 			      struct acpi_video_bus *video)  in acpi_video_bus_get_one_device()  argument
1062 	data->video = video;  in acpi_video_bus_get_one_device()
1067 	attribute = acpi_video_get_device_attr(video, device_id);  in acpi_video_bus_get_one_device()
1091 		device_type = acpi_video_get_device_type(video, device_id);  in acpi_video_bus_get_one_device()
1108 	acpi_video_device_bind(video, data);  in acpi_video_bus_get_one_device()
1111 	mutex_lock(&video->device_list_lock);  in acpi_video_bus_get_one_device()
1112 	list_add_tail(&data->entry, &video->video_device_list);  in acpi_video_bus_get_one_device()
1113 	mutex_unlock(&video->device_list_lock);  in acpi_video_bus_get_one_device()
1130 static void acpi_video_device_rebind(struct acpi_video_bus *video)  in acpi_video_device_rebind()  argument
1134 	mutex_lock(&video->device_list_lock);  in acpi_video_device_rebind()
1136 	list_for_each_entry(dev, &video->video_device_list, entry)  in acpi_video_device_rebind()
1137 		acpi_video_device_bind(video, dev);  in acpi_video_device_rebind()
1139 	mutex_unlock(&video->device_list_lock);  in acpi_video_device_rebind()
1156 acpi_video_device_bind(struct acpi_video_bus *video,  in acpi_video_device_bind()  argument
1162 	for (i = 0; i < video->attached_count; i++) {  in acpi_video_device_bind()
1163 		ids = &video->attached_array[i];  in acpi_video_device_bind()
1173 	struct acpi_video_bus *video = device->video;  in acpi_video_device_in_dod()  local
1181 	if (!video->attached_count || video->child_count > 8)  in acpi_video_device_in_dod()
1184 	for (i = 0; i < video->attached_count; i++) {  in acpi_video_device_in_dod()
1185 		if ((video->attached_array[i].value.int_val & 0xfff) ==  in acpi_video_device_in_dod()
1204 static int acpi_video_device_enumerate(struct acpi_video_bus *video)  in acpi_video_device_enumerate()  argument
1214 	status = acpi_evaluate_object(video->device->handle, "_DOD", NULL, &buffer);  in acpi_video_device_enumerate()
1255 	kfree(video->attached_array);  in acpi_video_device_enumerate()
1257 	video->attached_array = active_list;  in acpi_video_device_enumerate()
1258 	video->attached_count = count;  in acpi_video_device_enumerate()
1348 	struct acpi_video_bus *video;  in acpi_video_get_edid()  local
1357 	video = acpi_driver_data(device);  in acpi_video_get_edid()
1359 	for (i = 0; i < video->attached_count; i++) {  in acpi_video_get_edid()
1360 		video_device = video->attached_array[i].bind_info;  in acpi_video_get_edid()
1414 acpi_video_bus_get_devices(struct acpi_video_bus *video,  in acpi_video_bus_get_devices()  argument
1425 	acpi_video_device_enumerate(video);  in acpi_video_bus_get_devices()
1429 		status = acpi_video_bus_get_one_device(dev, video);  in acpi_video_bus_get_devices()
1434 		video->child_count++;  in acpi_video_bus_get_devices()
1445 static int acpi_video_bus_start_devices(struct acpi_video_bus *video)  in acpi_video_bus_start_devices()  argument
1447 	return acpi_video_bus_DOS(video, 0,  in acpi_video_bus_start_devices()
1451 static int acpi_video_bus_stop_devices(struct acpi_video_bus *video)  in acpi_video_bus_stop_devices()  argument
1453 	return acpi_video_bus_DOS(video, 0,  in acpi_video_bus_stop_devices()
1459 	struct acpi_video_bus *video = acpi_driver_data(device);  in acpi_video_bus_notify()  local
1463 	if (!video || !video->input)  in acpi_video_bus_notify()
1466 	input = video->input;  in acpi_video_bus_notify()
1476 		acpi_video_device_enumerate(video);  in acpi_video_bus_notify()
1477 		acpi_video_device_rebind(video);  in acpi_video_bus_notify()
1533 	bus = video_device->video;  in acpi_video_device_notify()
1578 	struct acpi_video_bus *video;  in acpi_video_resume()  local
1589 	video = container_of(nb, struct acpi_video_bus, pm_nb);  in acpi_video_resume()
1591 	dev_info(&video->device->dev, "Restoring backlight state\n");  in acpi_video_resume()
1593 	for (i = 0; i < video->attached_count; i++) {  in acpi_video_resume()
1594 		video_device = video->attached_array[i].bind_info;  in acpi_video_resume()
1701 static void acpi_video_run_bcl_for_osi(struct acpi_video_bus *video)  in acpi_video_run_bcl_for_osi()  argument
1706 	mutex_lock(&video->device_list_lock);  in acpi_video_run_bcl_for_osi()
1707 	list_for_each_entry(dev, &video->video_device_list, entry) {  in acpi_video_run_bcl_for_osi()
1711 	mutex_unlock(&video->device_list_lock);  in acpi_video_run_bcl_for_osi()
1730 static int acpi_video_bus_register_backlight(struct acpi_video_bus *video)  in acpi_video_bus_register_backlight()  argument
1734 	if (video->backlight_registered)  in acpi_video_bus_register_backlight()
1737 	acpi_video_run_bcl_for_osi(video);  in acpi_video_bus_register_backlight()
1742 	mutex_lock(&video->device_list_lock);  in acpi_video_bus_register_backlight()
1743 	list_for_each_entry(dev, &video->video_device_list, entry) {  in acpi_video_bus_register_backlight()
1747 	mutex_unlock(&video->device_list_lock);  in acpi_video_bus_register_backlight()
1749 	video->backlight_registered = true;  in acpi_video_bus_register_backlight()
1751 	video->pm_nb.notifier_call = acpi_video_resume;  in acpi_video_bus_register_backlight()
1752 	video->pm_nb.priority = 0;  in acpi_video_bus_register_backlight()
1753 	return register_pm_notifier(&video->pm_nb);  in acpi_video_bus_register_backlight()
1775 static int acpi_video_bus_unregister_backlight(struct acpi_video_bus *video)  in acpi_video_bus_unregister_backlight()  argument
1780 	if (!video->backlight_registered)  in acpi_video_bus_unregister_backlight()
1783 	error = unregister_pm_notifier(&video->pm_nb);  in acpi_video_bus_unregister_backlight()
1785 	mutex_lock(&video->device_list_lock);  in acpi_video_bus_unregister_backlight()
1786 	list_for_each_entry(dev, &video->video_device_list, entry)  in acpi_video_bus_unregister_backlight()
1788 	mutex_unlock(&video->device_list_lock);  in acpi_video_bus_unregister_backlight()
1790 	video->backlight_registered = false;  in acpi_video_bus_unregister_backlight()
1808 static int acpi_video_bus_add_notify_handler(struct acpi_video_bus *video)  in acpi_video_bus_add_notify_handler()  argument
1814 	video->input = input = input_allocate_device();  in acpi_video_bus_add_notify_handler()
1820 	error = acpi_video_bus_start_devices(video);  in acpi_video_bus_add_notify_handler()
1824 	snprintf(video->phys, sizeof(video->phys),  in acpi_video_bus_add_notify_handler()
1825 			"%s/video/input0", acpi_device_hid(video->device));  in acpi_video_bus_add_notify_handler()
1827 	input->name = acpi_device_name(video->device);  in acpi_video_bus_add_notify_handler()
1828 	input->phys = video->phys;  in acpi_video_bus_add_notify_handler()
1831 	input->dev.parent = &video->device->dev;  in acpi_video_bus_add_notify_handler()
1846 	mutex_lock(&video->device_list_lock);  in acpi_video_bus_add_notify_handler()
1847 	list_for_each_entry(dev, &video->video_device_list, entry)  in acpi_video_bus_add_notify_handler()
1849 	mutex_unlock(&video->device_list_lock);  in acpi_video_bus_add_notify_handler()
1854 	acpi_video_bus_stop_devices(video);  in acpi_video_bus_add_notify_handler()
1857 	video->input = NULL;  in acpi_video_bus_add_notify_handler()
1871 static void acpi_video_bus_remove_notify_handler(struct acpi_video_bus *video)  in acpi_video_bus_remove_notify_handler()  argument
1875 	mutex_lock(&video->device_list_lock);  in acpi_video_bus_remove_notify_handler()
1876 	list_for_each_entry(dev, &video->video_device_list, entry)  in acpi_video_bus_remove_notify_handler()
1878 	mutex_unlock(&video->device_list_lock);  in acpi_video_bus_remove_notify_handler()
1880 	acpi_video_bus_stop_devices(video);  in acpi_video_bus_remove_notify_handler()
1881 	input_unregister_device(video->input);  in acpi_video_bus_remove_notify_handler()
1882 	video->input = NULL;  in acpi_video_bus_remove_notify_handler()
1885 static int acpi_video_bus_put_devices(struct acpi_video_bus *video)  in acpi_video_bus_put_devices()  argument
1889 	mutex_lock(&video->device_list_lock);  in acpi_video_bus_put_devices()
1890 	list_for_each_entry_safe(dev, next, &video->video_device_list, entry) {  in acpi_video_bus_put_devices()
1894 	mutex_unlock(&video->device_list_lock);  in acpi_video_bus_put_devices()
1903 	struct acpi_video_bus *video;  in acpi_video_bus_add()  local
1921 	video = kzalloc(sizeof(struct acpi_video_bus), GFP_KERNEL);  in acpi_video_bus_add()
1922 	if (!video)  in acpi_video_bus_add()
1938 	video->device = device;  in acpi_video_bus_add()
1941 	device->driver_data = video;  in acpi_video_bus_add()
1943 	acpi_video_bus_find_cap(video);  in acpi_video_bus_add()
1944 	error = acpi_video_bus_check(video);  in acpi_video_bus_add()
1948 	mutex_init(&video->device_list_lock);  in acpi_video_bus_add()
1949 	INIT_LIST_HEAD(&video->video_device_list);  in acpi_video_bus_add()
1951 	error = acpi_video_bus_get_devices(video, device);  in acpi_video_bus_add()
1957 	       video->flags.multihead ? "yes" : "no",  in acpi_video_bus_add()
1958 	       video->flags.rom ? "yes" : "no",  in acpi_video_bus_add()
1959 	       video->flags.post ? "yes" : "no");  in acpi_video_bus_add()
1961 	list_add_tail(&video->entry, &video_bus_head);  in acpi_video_bus_add()
1964 	acpi_video_bus_register_backlight(video);  in acpi_video_bus_add()
1965 	acpi_video_bus_add_notify_handler(video);  in acpi_video_bus_add()
1970 	acpi_video_bus_put_devices(video);  in acpi_video_bus_add()
1971 	kfree(video->attached_array);  in acpi_video_bus_add()
1973 	kfree(video);  in acpi_video_bus_add()
1981 	struct acpi_video_bus *video = NULL;  in acpi_video_bus_remove()  local
1987 	video = acpi_driver_data(device);  in acpi_video_bus_remove()
1989 	acpi_video_bus_remove_notify_handler(video);  in acpi_video_bus_remove()
1990 	acpi_video_bus_unregister_backlight(video);  in acpi_video_bus_remove()
1991 	acpi_video_bus_put_devices(video);  in acpi_video_bus_remove()
1994 	list_del(&video->entry);  in acpi_video_bus_remove()
1997 	kfree(video->attached_array);  in acpi_video_bus_remove()
1998 	kfree(video);  in acpi_video_bus_remove()
2081 	struct acpi_video_bus *video;  in acpi_video_unregister_backlight()  local
2086 		list_for_each_entry(video, &video_bus_head, entry)  in acpi_video_unregister_backlight()
2087 			acpi_video_bus_unregister_backlight(video);  in acpi_video_unregister_backlight()