media/mc/mc-device.c

24 #include <media/media-entity.h>
83 	struct media_entity *entity;
88 	media_device_for_each_entity(entity, mdev) {
89 		if (((media_entity_id(entity) == id) && !next) ||
90 		    ((media_entity_id(entity) > id) && next)) {
91 			return entity;
121 	 * do the wrong thing if the entity function doesn't belong to
146 	upad->entity = media_entity_id(kpad->entity);
154 	struct media_entity *entity;
156 	entity = find_entity(mdev, links->entity);
157 	if (entity == NULL)
163 		for (p = 0; p < entity->num_pads; p++) {
167 			media_device_kpad_to_upad(&entity->pads[p], &pad);
177 		list_for_each_entry(link, &entity->links, list) {
181 			if (link->source->entity != entity)
209 	source = find_entity(mdev, linkd->source.entity);
210 	sink = find_entity(mdev, linkd->sink.entity);
233 	struct media_entity *entity;
249 	media_device_for_each_entity(entity, mdev) {
261 		kentity.id = entity->graph_obj.id;
262 		kentity.function = entity->function;
263 		kentity.flags = entity->flags;
264 		strscpy(kentity.name, entity->name,
327 		kpad.entity_id = pad->entity->graph_obj.id;
483 	__u32 entity;
498 	if (get_user(links.entity, &ulinks->entity)
575 static void __media_device_unregister_entity(struct media_entity *entity)
577 	struct media_device *mdev = entity->graph_obj.mdev;
582 	ida_free(&mdev->entity_internal_idx, entity->internal_idx);
584 	/* Remove all interface links pointing to this entity */
587 			if (link->entity == entity)
592 	/* Remove all data links that belong to this entity */
593 	__media_entity_remove_links(entity);
595 	/* Remove all pads that belong to this entity */
596 	media_entity_for_each_pad(entity, iter)
599 	/* Remove the entity */
600 	media_gobj_destroy(&entity->graph_obj);
602 	/* invoke entity_notify callbacks to handle entity removal?? */
606 					      struct media_entity *entity)
612 	if (entity->function == MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN ||
613 	    entity->function == MEDIA_ENT_F_UNKNOWN)
615 			 "Entity type for entity %s was not initialized!\n",
616 			 entity->name);
618 	/* Warn if we apparently re-register an entity */
619 	WARN_ON(entity->graph_obj.mdev != NULL);
620 	entity->graph_obj.mdev = mdev;
621 	INIT_LIST_HEAD(&entity->links);
622 	entity->num_links = 0;
623 	entity->num_backlinks = 0;
628 	entity->internal_idx = ret;
632 		max(mdev->entity_internal_idx_max, entity->internal_idx);
634 	/* Initialize media_gobj embedded at the entity */
635 	media_gobj_create(mdev, MEDIA_GRAPH_ENTITY, &entity->graph_obj);
638 	media_entity_for_each_pad(entity, iter)
643 		notify->notify(entity, notify->notify_data);
656 			__media_device_unregister_entity(entity);
669 void media_device_unregister_entity(struct media_entity *entity)
671 	struct media_device *mdev = entity->graph_obj.mdev;
677 	__media_device_unregister_entity(entity);
784 	struct media_entity *entity;
804 	list_for_each_entry_safe(entity, next, &mdev->entities, graph_obj.list)
805 		__media_device_unregister_entity(entity);