usb/uvc/uvc_ctrl.c

41 		.entity		= UVC_GUID_UVC_PROCESSING,
50 		.entity		= UVC_GUID_UVC_PROCESSING,
59 		.entity		= UVC_GUID_UVC_PROCESSING,
69 		.entity		= UVC_GUID_UVC_PROCESSING,
78 		.entity		= UVC_GUID_UVC_PROCESSING,
87 		.entity		= UVC_GUID_UVC_PROCESSING,
96 		.entity		= UVC_GUID_UVC_PROCESSING,
106 		.entity		= UVC_GUID_UVC_PROCESSING,
116 		.entity		= UVC_GUID_UVC_PROCESSING,
125 		.entity		= UVC_GUID_UVC_PROCESSING,
134 		.entity		= UVC_GUID_UVC_PROCESSING,
142 		.entity		= UVC_GUID_UVC_PROCESSING,
150 		.entity		= UVC_GUID_UVC_PROCESSING,
158 		.entity		= UVC_GUID_UVC_PROCESSING,
166 		.entity		= UVC_GUID_UVC_PROCESSING,
175 		.entity		= UVC_GUID_UVC_PROCESSING,
184 		.entity		= UVC_GUID_UVC_PROCESSING,
191 		.entity		= UVC_GUID_UVC_PROCESSING,
198 		.entity		= UVC_GUID_UVC_CAMERA,
206 		.entity		= UVC_GUID_UVC_CAMERA,
215 		.entity		= UVC_GUID_UVC_CAMERA,
223 		.entity		= UVC_GUID_UVC_CAMERA,
233 		.entity		= UVC_GUID_UVC_CAMERA,
240 		.entity		= UVC_GUID_UVC_CAMERA,
250 		.entity		= UVC_GUID_UVC_CAMERA,
260 		.entity		= UVC_GUID_UVC_CAMERA,
270 		.entity		= UVC_GUID_UVC_CAMERA,
278 		.entity		= UVC_GUID_UVC_CAMERA,
288 		.entity		= UVC_GUID_UVC_CAMERA,
298 		.entity		= UVC_GUID_UVC_CAMERA,
308 		.entity		= UVC_GUID_UVC_CAMERA,
317 		.entity		= UVC_GUID_UVC_CAMERA,
327 		.entity		= UVC_GUID_UVC_CAMERA,
337 		.entity		= UVC_GUID_UVC_CAMERA,
345 		.entity		= UVC_GUID_UVC_CAMERA,
354 		.entity		= UVC_GUID_EXT_GPIO_CONTROLLER,
465 		.entity		= UVC_GUID_UVC_PROCESSING,
474 		.entity		= UVC_GUID_UVC_PROCESSING,
483 		.entity		= UVC_GUID_UVC_PROCESSING,
494 		.entity		= UVC_GUID_UVC_PROCESSING,
503 		.entity		= UVC_GUID_UVC_PROCESSING,
512 		.entity		= UVC_GUID_UVC_PROCESSING,
521 		.entity		= UVC_GUID_UVC_PROCESSING,
530 		.entity		= UVC_GUID_UVC_PROCESSING,
539 		.entity		= UVC_GUID_UVC_PROCESSING,
549 		.entity		= UVC_GUID_UVC_CAMERA,
562 		.entity		= UVC_GUID_UVC_CAMERA,
571 		.entity		= UVC_GUID_UVC_CAMERA,
582 		.entity		= UVC_GUID_UVC_PROCESSING,
592 		.entity		= UVC_GUID_UVC_PROCESSING,
603 		.entity		= UVC_GUID_UVC_PROCESSING,
614 		.entity		= UVC_GUID_UVC_PROCESSING,
625 		.entity		= UVC_GUID_UVC_PROCESSING,
636 		.entity		= UVC_GUID_UVC_CAMERA,
647 		.entity		= UVC_GUID_UVC_CAMERA,
657 		.entity		= UVC_GUID_UVC_CAMERA,
666 		.entity		= UVC_GUID_UVC_CAMERA,
675 		.entity		= UVC_GUID_UVC_CAMERA,
684 		.entity		= UVC_GUID_UVC_CAMERA,
695 		.entity		= UVC_GUID_UVC_CAMERA,
704 		.entity		= UVC_GUID_UVC_CAMERA,
713 		.entity		= UVC_GUID_UVC_CAMERA,
724 		.entity		= UVC_GUID_UVC_CAMERA,
735 		.entity		= UVC_GUID_UVC_CAMERA,
744 		.entity		= UVC_GUID_EXT_GPIO_CONTROLLER,
755 	.entity		= UVC_GUID_UVC_PROCESSING,
767 	.entity		= UVC_GUID_UVC_PROCESSING,
784 	.entity		= UVC_GUID_UVC_PROCESSING,
891 static int uvc_entity_match_guid(const struct uvc_entity *entity,
894 	return memcmp(entity->guid, guid, sizeof(entity->guid)) == 0;
901 static void __uvc_find_control(struct uvc_entity *entity, u32 v4l2_id,
909 	if (entity == NULL)
912 	for (i = 0; i < entity->ncontrols; ++i) {
913 		ctrl = &entity->controls[i];
937 	struct uvc_entity *entity;
946 	list_for_each_entry(entity, &chain->entities, chain) {
947 		__uvc_find_control(entity, v4l2_id, mapping, &ctrl, next);
965 		ret = uvc_query_ctrl(chain->dev, UVC_GET_DEF, ctrl->entity->id,
974 		ret = uvc_query_ctrl(chain->dev, UVC_GET_MIN, ctrl->entity->id,
982 		ret = uvc_query_ctrl(chain->dev, UVC_GET_MAX, ctrl->entity->id,
990 		ret = uvc_query_ctrl(chain->dev, UVC_GET_RES, ctrl->entity->id,
995 			if (UVC_ENTITY_TYPE(ctrl->entity) !=
1060 	if (ctrl->entity->get_cur)
1061 		ret = ctrl->entity->get_cur(chain->dev, ctrl->entity,
1066 				     ctrl->entity->id, chain->dev->intfnum,
1190 	__uvc_find_control(ctrl->entity, mapping->master_id, &master_map,
1258 		__uvc_find_control(ctrl->entity, mapping->master_id,
1525 	__uvc_find_control(master->entity, slave_id, &mapping, &ctrl, 0);
1767 	struct uvc_entity *entity, int rollback, struct uvc_control **err_ctrl)
1773 	if (entity == NULL)
1776 	for (i = 0; i < entity->ncontrols; ++i) {
1777 		ctrl = &entity->controls[i];
1796 			ret = uvc_query_ctrl(dev, UVC_SET_CUR, ctrl->entity->id,
1820 static int uvc_ctrl_find_ctrl_idx(struct uvc_entity *entity,
1828 	if (!entity)
1832 		__uvc_find_control(entity, ctrls->controls[i].id, &mapping,
1846 	struct uvc_entity *entity;
1850 	list_for_each_entry(entity, &chain->entities, chain) {
1851 		ret = uvc_ctrl_commit_entity(chain->dev, entity, rollback,
1856 					uvc_ctrl_find_ctrl_idx(entity, ctrls,
2028 	if (ctrl->entity->get_info)
2029 		ret = ctrl->entity->get_info(dev, ctrl->entity,
2032 		ret = uvc_query_ctrl(dev, UVC_GET_INFO, ctrl->entity->id,
2053 		u8 entity;
2079 		if (fixups[i].entity == ctrl->entity->id &&
2100 	memcpy(info->entity, ctrl->entity->guid, sizeof(info->entity));
2105 	ret = uvc_query_ctrl(dev, UVC_GET_LEN, ctrl->entity->id, dev->intfnum,
2110 			info->entity, info->selector, ret);
2123 			info->entity, info->selector, ret);
2131 		info->entity, info->selector, info->size,
2160 			"Failed to initialize control %pUl/%u on device %s entity %u\n",
2161 			info.entity, info.selector, dev->udev->devpath,
2162 			ctrl->entity->id);
2170 	struct uvc_entity *entity, *iter;
2180 	entity = NULL;
2184 			entity = iter;
2189 	if (!entity) {
2197 	for (i = 0; i < entity->ncontrols; ++i) {
2198 		ctrl = &entity->controls[i];
2207 			entity->guid, xqry->selector);
2306 	struct uvc_entity *entity;
2311 	list_for_each_entry(entity, &dev->entities, list) {
2313 		for (i = 0; i < entity->ncontrols; ++i) {
2314 			ctrl = &entity->controls[i];
2321 				ctrl->info.entity, ctrl->info.index,
2326 		ret = uvc_ctrl_commit_entity(dev, entity, 0, NULL);
2355 	uvc_dbg(dev, CONTROL, "Added control %pUl/%u to device %s entity %u\n",
2356 		ctrl->info.entity, ctrl->info.selector, dev->udev->devpath,
2357 		ctrl->entity->id);
2426 		uvc_map_get_name(map), ctrl->info.entity,
2444 	struct uvc_entity *entity;
2457 	list_for_each_entry(entity, &chain->entities, chain) {
2460 		if (UVC_ENTITY_TYPE(entity) != UVC_VC_EXTENSION_UNIT ||
2461 		    !uvc_entity_match_guid(entity, mapping->entity))
2464 		for (i = 0; i < entity->ncontrols; ++i) {
2465 			ctrl = &entity->controls[i];
2525  * Prune an entity of its bogus controls using a blacklist. Bogus controls
2530 	struct uvc_entity *entity)
2552 	switch (UVC_ENTITY_TYPE(entity)) {
2556 		controls = entity->processing.bmControls;
2557 		size = entity->processing.bControlSize;
2563 		controls = entity->camera.bmControls;
2564 		size = entity->camera.bControlSize;
2581 			entity->id, blacklist[i].index);
2603 	if (UVC_ENTITY_TYPE(ctrl->entity) == UVC_VC_EXTENSION_UNIT)
2609 		if (uvc_entity_match_guid(ctrl->entity, info->entity) &&
2640 			if (uvc_entity_match_guid(ctrl->entity, mapping->entity) &&
2655 		if (uvc_entity_match_guid(ctrl->entity, mapping->entity) &&
2667 		if (uvc_entity_match_guid(ctrl->entity, mapping->entity) &&
2678 	struct uvc_entity *entity;
2682 	list_for_each_entry(entity, &chain->entities, chain) {
2687 		if (UVC_ENTITY_TYPE(entity) == UVC_VC_EXTENSION_UNIT) {
2688 			bmControls = entity->extension.bmControls;
2689 			bControlSize = entity->extension.bControlSize;
2690 		} else if (UVC_ENTITY_TYPE(entity) == UVC_VC_PROCESSING_UNIT) {
2691 			bmControls = entity->processing.bmControls;
2692 			bControlSize = entity->processing.bControlSize;
2693 		} else if (UVC_ENTITY_TYPE(entity) == UVC_ITT_CAMERA) {
2694 			bmControls = entity->camera.bmControls;
2695 			bControlSize = entity->camera.bControlSize;
2696 		} else if (UVC_ENTITY_TYPE(entity) == UVC_EXT_GPIO_UNIT) {
2697 			bmControls = entity->gpio.bmControls;
2698 			bControlSize = entity->gpio.bControlSize;
2702 		uvc_ctrl_prune_entity(chain->dev, entity);
2709 		entity->controls = kcalloc(ncontrols, sizeof(*ctrl),
2711 		if (entity->controls == NULL)
2713 		entity->ncontrols = ncontrols;
2716 		ctrl = entity->controls;
2721 			ctrl->entity = entity;
2767 	struct uvc_entity *entity;
2775 	list_for_each_entry(entity, &dev->entities, list) {
2776 		for (i = 0; i < entity->ncontrols; ++i) {
2777 			struct uvc_control *ctrl = &entity->controls[i];
2786 		kfree(entity->controls);