88 static struct media_entity *find_entity(struct media_device *mdev, u32 id)  in find_entity()  argument
95 	media_device_for_each_entity(entity, mdev) {  in find_entity()
105 static long media_device_enum_entities(struct media_device *mdev, void *arg)  in media_device_enum_entities()  argument
110 	ent = find_entity(mdev, entd->id);  in media_device_enum_entities()
158 static long media_device_enum_links(struct media_device *mdev, void *arg)  in media_device_enum_links()  argument
163 	entity = find_entity(mdev, links->entity);  in media_device_enum_links()
207 static long media_device_setup_link(struct media_device *mdev, void *arg)  in media_device_setup_link()  argument
216 	source = find_entity(mdev, linkd->source.entity);  in media_device_setup_link()
217 	sink = find_entity(mdev, linkd->sink.entity);  in media_device_setup_link()
237 static long media_device_get_topology(struct media_device *mdev, void *arg)  in media_device_get_topology()  argument
251 	topo->topology_version = mdev->topology_version;  in media_device_get_topology()
256 	media_device_for_each_entity(entity, mdev) {  in media_device_get_topology()
284 	media_device_for_each_intf(intf, mdev) {  in media_device_get_topology()
320 	media_device_for_each_pad(pad, mdev) {  in media_device_get_topology()
348 	media_device_for_each_link(link, mdev) {  in media_device_get_topology()
485 static long media_device_enum_links32(struct media_device *mdev,  in media_device_enum_links32()  argument
501 	return media_device_enum_links(mdev, &links);  in media_device_enum_links32()
547 	struct media_device *mdev = devnode->media_dev;  in show_model()  local
549 	return sprintf(buf, "%.*s\n", (int)sizeof(mdev->model), mdev->model);  in show_model()
568 int __must_check media_device_register_entity(struct media_device *mdev,  in media_device_register_entity()  argument
577 		dev_warn(mdev->dev,  in media_device_register_entity()
582 	WARN_ON(entity->graph_obj.mdev != NULL);  in media_device_register_entity()
583 	entity->graph_obj.mdev = mdev;  in media_device_register_entity()
588 	ret = ida_alloc_min(&mdev->entity_internal_idx, 1, GFP_KERNEL);  in media_device_register_entity()
593 	mutex_lock(&mdev->graph_mutex);  in media_device_register_entity()
594 	mdev->entity_internal_idx_max =  in media_device_register_entity()
595 		max(mdev->entity_internal_idx_max, entity->internal_idx);  in media_device_register_entity()
598 	media_gobj_create(mdev, MEDIA_GRAPH_ENTITY, &entity->graph_obj);  in media_device_register_entity()
602 		media_gobj_create(mdev, MEDIA_GRAPH_PAD,  in media_device_register_entity()
606 	list_for_each_entry_safe(notify, next, &mdev->entity_notify, list)  in media_device_register_entity()
609 	if (mdev->entity_internal_idx_max  in media_device_register_entity()
610 	    >= mdev->pm_count_walk.ent_enum.idx_max) {  in media_device_register_entity()
618 		ret = media_graph_walk_init(&new, mdev);  in media_device_register_entity()
620 			mutex_unlock(&mdev->graph_mutex);  in media_device_register_entity()
623 		media_graph_walk_cleanup(&mdev->pm_count_walk);  in media_device_register_entity()
624 		mdev->pm_count_walk = new;  in media_device_register_entity()
626 	mutex_unlock(&mdev->graph_mutex);  in media_device_register_entity()
634 	struct media_device *mdev = entity->graph_obj.mdev;  in __media_device_unregister_entity()  local
639 	ida_free(&mdev->entity_internal_idx, entity->internal_idx);  in __media_device_unregister_entity()
642 	list_for_each_entry(intf, &mdev->interfaces, graph_obj.list) {  in __media_device_unregister_entity()
661 	entity->graph_obj.mdev = NULL;  in __media_device_unregister_entity()
666 	struct media_device *mdev = entity->graph_obj.mdev;  in media_device_unregister_entity()  local
668 	if (mdev == NULL)  in media_device_unregister_entity()
671 	mutex_lock(&mdev->graph_mutex);  in media_device_unregister_entity()
673 	mutex_unlock(&mdev->graph_mutex);  in media_device_unregister_entity()
687 void media_device_init(struct media_device *mdev)  in media_device_init()  argument
689 	INIT_LIST_HEAD(&mdev->entities);  in media_device_init()
690 	INIT_LIST_HEAD(&mdev->interfaces);  in media_device_init()
691 	INIT_LIST_HEAD(&mdev->pads);  in media_device_init()
692 	INIT_LIST_HEAD(&mdev->links);  in media_device_init()
693 	INIT_LIST_HEAD(&mdev->entity_notify);  in media_device_init()
694 	mutex_init(&mdev->graph_mutex);  in media_device_init()
695 	ida_init(&mdev->entity_internal_idx);  in media_device_init()
697 	dev_dbg(mdev->dev, "Media device initialized\n");  in media_device_init()
701 void media_device_cleanup(struct media_device *mdev)  in media_device_cleanup()  argument
703 	ida_destroy(&mdev->entity_internal_idx);  in media_device_cleanup()
704 	mdev->entity_internal_idx_max = 0;  in media_device_cleanup()
705 	media_graph_walk_cleanup(&mdev->pm_count_walk);  in media_device_cleanup()
706 	mutex_destroy(&mdev->graph_mutex);  in media_device_cleanup()
710 int __must_check __media_device_register(struct media_device *mdev,  in __media_device_register()  argument
721 	mdev->devnode = devnode;  in __media_device_register()
723 	devnode->parent = mdev->dev;  in __media_device_register()
727 	mdev->topology_version = 0;  in __media_device_register()
729 	ret = media_devnode_register(mdev, devnode, owner);  in __media_device_register()
732 		mdev->devnode = NULL;  in __media_device_register()
739 		mdev->devnode = NULL;  in __media_device_register()
745 	dev_dbg(mdev->dev, "Media device registered\n");  in __media_device_register()
751 int __must_check media_device_register_entity_notify(struct media_device *mdev,  in media_device_register_entity_notify()  argument
754 	mutex_lock(&mdev->graph_mutex);  in media_device_register_entity_notify()
755 	list_add_tail(&nptr->list, &mdev->entity_notify);  in media_device_register_entity_notify()
756 	mutex_unlock(&mdev->graph_mutex);  in media_device_register_entity_notify()
764 static void __media_device_unregister_entity_notify(struct media_device *mdev,  in __media_device_unregister_entity_notify()  argument
770 void media_device_unregister_entity_notify(struct media_device *mdev,  in media_device_unregister_entity_notify()  argument
773 	mutex_lock(&mdev->graph_mutex);  in media_device_unregister_entity_notify()
774 	__media_device_unregister_entity_notify(mdev, nptr);  in media_device_unregister_entity_notify()
775 	mutex_unlock(&mdev->graph_mutex);  in media_device_unregister_entity_notify()
779 void media_device_unregister(struct media_device *mdev)  in media_device_unregister()  argument
786 	if (mdev == NULL)  in media_device_unregister()
789 	mutex_lock(&mdev->graph_mutex);  in media_device_unregister()
792 	if (!media_devnode_is_registered(mdev->devnode)) {  in media_device_unregister()
793 		mutex_unlock(&mdev->graph_mutex);  in media_device_unregister()
798 	media_devnode_unregister_prepare(mdev->devnode);  in media_device_unregister()
801 	list_for_each_entry_safe(entity, next, &mdev->entities, graph_obj.list)  in media_device_unregister()
805 	list_for_each_entry_safe(notify, nextp, &mdev->entity_notify, list)  in media_device_unregister()
806 		__media_device_unregister_entity_notify(mdev, notify);  in media_device_unregister()
809 	list_for_each_entry_safe(intf, tmp_intf, &mdev->interfaces,  in media_device_unregister()
820 	mutex_unlock(&mdev->graph_mutex);  in media_device_unregister()
822 	dev_dbg(mdev->dev, "Media device unregistered\n");  in media_device_unregister()
824 	device_remove_file(&mdev->devnode->dev, &dev_attr_model);  in media_device_unregister()
825 	media_devnode_unregister(mdev->devnode);  in media_device_unregister()
827 	mdev->devnode = NULL;  in media_device_unregister()
832 void media_device_pci_init(struct media_device *mdev,  in media_device_pci_init()  argument
836 	mdev->dev = &pci_dev->dev;  in media_device_pci_init()
839 		strlcpy(mdev->model, name, sizeof(mdev->model));  in media_device_pci_init()
841 		strlcpy(mdev->model, pci_name(pci_dev), sizeof(mdev->model));  in media_device_pci_init()
843 	sprintf(mdev->bus_info, "PCI:%s", pci_name(pci_dev));  in media_device_pci_init()
845 	mdev->hw_revision = (pci_dev->subsystem_vendor << 16)  in media_device_pci_init()
848 	media_device_init(mdev);  in media_device_pci_init()
854 void __media_device_usb_init(struct media_device *mdev,  in __media_device_usb_init()  argument
859 	mdev->dev = &udev->dev;  in __media_device_usb_init()
862 		strlcpy(mdev->driver_name, driver_name,  in __media_device_usb_init()
863 			sizeof(mdev->driver_name));  in __media_device_usb_init()
866 		strlcpy(mdev->model, board_name, sizeof(mdev->model));  in __media_device_usb_init()
868 		strlcpy(mdev->model, udev->product, sizeof(mdev->model));  in __media_device_usb_init()
870 		strlcpy(mdev->model, "unknown model", sizeof(mdev->model));  in __media_device_usb_init()
872 		strlcpy(mdev->serial, udev->serial, sizeof(mdev->serial));  in __media_device_usb_init()
873 	usb_make_path(udev, mdev->bus_info, sizeof(mdev->bus_info));  in __media_device_usb_init()
874 	mdev->hw_revision = le16_to_cpu(udev->descriptor.bcdDevice);  in __media_device_usb_init()
876 	media_device_init(mdev);  in __media_device_usb_init()