88 	struct dvb_device *dvbdev;  in dvb_device_open()  local
92 	dvbdev = dvb_minors[iminor(inode)];  in dvb_device_open()
94 	if (dvbdev && dvbdev->fops) {  in dvb_device_open()
98 		new_fops = fops_get(dvbdev->fops);  in dvb_device_open()
101 		file->private_data = dvb_device_get(dvbdev);  in dvb_device_open()
125 	struct dvb_device *dvbdev = file->private_data;  in dvb_generic_open()  local
127 	if (!dvbdev)  in dvb_generic_open()
130 	if (!dvbdev->users)  in dvb_generic_open()
134 		if (!dvbdev->readers)  in dvb_generic_open()
136 		dvbdev->readers--;  in dvb_generic_open()
138 		if (!dvbdev->writers)  in dvb_generic_open()
140 		dvbdev->writers--;  in dvb_generic_open()
143 	dvbdev->users--;  in dvb_generic_open()
150 	struct dvb_device *dvbdev = file->private_data;  in dvb_generic_release()  local
152 	if (!dvbdev)  in dvb_generic_release()
156 		dvbdev->readers++;  in dvb_generic_release()
158 		dvbdev->writers++;  in dvb_generic_release()
160 	dvbdev->users++;  in dvb_generic_release()
162 	dvb_device_put(dvbdev);  in dvb_generic_release()
171 	struct dvb_device *dvbdev = file->private_data;  in dvb_generic_ioctl()  local
173 	if (!dvbdev)  in dvb_generic_ioctl()
176 	if (!dvbdev->kernel_ioctl)  in dvb_generic_ioctl()
179 	return dvb_usercopy(file, cmd, arg, dvbdev->kernel_ioctl);  in dvb_generic_ioctl()
200 static void dvb_media_device_free(struct dvb_device *dvbdev)  in dvb_media_device_free()  argument
203 	if (dvbdev->entity) {  in dvb_media_device_free()
204 		media_device_unregister_entity(dvbdev->entity);  in dvb_media_device_free()
205 		kfree(dvbdev->entity);  in dvb_media_device_free()
206 		kfree(dvbdev->pads);  in dvb_media_device_free()
207 		dvbdev->entity = NULL;  in dvb_media_device_free()
208 		dvbdev->pads = NULL;  in dvb_media_device_free()
211 	if (dvbdev->tsout_entity) {  in dvb_media_device_free()
214 		for (i = 0; i < dvbdev->tsout_num_entities; i++) {  in dvb_media_device_free()
215 			media_device_unregister_entity(&dvbdev->tsout_entity[i]);  in dvb_media_device_free()
216 			kfree(dvbdev->tsout_entity[i].name);  in dvb_media_device_free()
218 		kfree(dvbdev->tsout_entity);  in dvb_media_device_free()
219 		kfree(dvbdev->tsout_pads);  in dvb_media_device_free()
220 		dvbdev->tsout_entity = NULL;  in dvb_media_device_free()
221 		dvbdev->tsout_pads = NULL;  in dvb_media_device_free()
223 		dvbdev->tsout_num_entities = 0;  in dvb_media_device_free()
226 	if (dvbdev->intf_devnode) {  in dvb_media_device_free()
227 		media_devnode_remove(dvbdev->intf_devnode);  in dvb_media_device_free()
228 		dvbdev->intf_devnode = NULL;  in dvb_media_device_free()
231 	if (dvbdev->adapter->conn) {  in dvb_media_device_free()
232 		media_device_unregister_entity(dvbdev->adapter->conn);  in dvb_media_device_free()
233 		kfree(dvbdev->adapter->conn);  in dvb_media_device_free()
234 		dvbdev->adapter->conn = NULL;  in dvb_media_device_free()
235 		kfree(dvbdev->adapter->conn_pads);  in dvb_media_device_free()
236 		dvbdev->adapter->conn_pads = NULL;  in dvb_media_device_free()
242 static int dvb_create_tsout_entity(struct dvb_device *dvbdev,  in dvb_create_tsout_entity()  argument
247 	dvbdev->tsout_pads = kcalloc(npads, sizeof(*dvbdev->tsout_pads),  in dvb_create_tsout_entity()
249 	if (!dvbdev->tsout_pads)  in dvb_create_tsout_entity()
252 	dvbdev->tsout_entity = kcalloc(npads, sizeof(*dvbdev->tsout_entity),  in dvb_create_tsout_entity()
254 	if (!dvbdev->tsout_entity)  in dvb_create_tsout_entity()
257 	dvbdev->tsout_num_entities = npads;  in dvb_create_tsout_entity()
260 		struct media_pad *pads = &dvbdev->tsout_pads[i];  in dvb_create_tsout_entity()
261 		struct media_entity *entity = &dvbdev->tsout_entity[i];  in dvb_create_tsout_entity()
275 		ret = media_device_register_entity(dvbdev->adapter->mdev,  in dvb_create_tsout_entity()
286 static int dvb_create_media_entity(struct dvb_device *dvbdev,  in dvb_create_media_entity()  argument
296 		ret = dvb_create_tsout_entity(dvbdev, DVR_TSOUT,  in dvb_create_media_entity()
301 		ret = dvb_create_tsout_entity(dvbdev, DEMUX_TSOUT,  in dvb_create_media_entity()
324 	dvbdev->entity = kzalloc(sizeof(*dvbdev->entity), GFP_KERNEL);  in dvb_create_media_entity()
325 	if (!dvbdev->entity)  in dvb_create_media_entity()
328 	dvbdev->entity->name = dvbdev->name;  in dvb_create_media_entity()
331 		dvbdev->pads = kcalloc(npads, sizeof(*dvbdev->pads),  in dvb_create_media_entity()
333 		if (!dvbdev->pads) {  in dvb_create_media_entity()
334 			kfree(dvbdev->entity);  in dvb_create_media_entity()
335 			dvbdev->entity = NULL;  in dvb_create_media_entity()
342 		dvbdev->entity->function = MEDIA_ENT_F_DTV_DEMOD;  in dvb_create_media_entity()
343 		dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK;  in dvb_create_media_entity()
344 		dvbdev->pads[1].flags = MEDIA_PAD_FL_SOURCE;  in dvb_create_media_entity()
347 		dvbdev->entity->function = MEDIA_ENT_F_TS_DEMUX;  in dvb_create_media_entity()
348 		dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK;  in dvb_create_media_entity()
350 			dvbdev->pads[i].flags = MEDIA_PAD_FL_SOURCE;  in dvb_create_media_entity()
353 		dvbdev->entity->function = MEDIA_ENT_F_DTV_CA;  in dvb_create_media_entity()
354 		dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK;  in dvb_create_media_entity()
355 		dvbdev->pads[1].flags = MEDIA_PAD_FL_SOURCE;  in dvb_create_media_entity()
359 		kfree(dvbdev->entity);  in dvb_create_media_entity()
360 		kfree(dvbdev->pads);  in dvb_create_media_entity()
361 		dvbdev->entity = NULL;  in dvb_create_media_entity()
362 		dvbdev->pads = NULL;  in dvb_create_media_entity()
367 		ret = media_entity_pads_init(dvbdev->entity, npads, dvbdev->pads);  in dvb_create_media_entity()
371 	ret = media_device_register_entity(dvbdev->adapter->mdev,  in dvb_create_media_entity()
372 					   dvbdev->entity);  in dvb_create_media_entity()
377 		__func__, dvbdev->entity->name);  in dvb_create_media_entity()
383 static int dvb_register_media_device(struct dvb_device *dvbdev,  in dvb_register_media_device()  argument
392 	if (!dvbdev->adapter->mdev)  in dvb_register_media_device()
395 	ret = dvb_create_media_entity(dvbdev, type, demux_sink_pads);  in dvb_register_media_device()
419 	dvbdev->intf_devnode = media_devnode_create(dvbdev->adapter->mdev,  in dvb_register_media_device()
423 	if (!dvbdev->intf_devnode)  in dvb_register_media_device()
434 	if (!dvbdev->entity)  in dvb_register_media_device()
437 	link = media_create_intf_link(dvbdev->entity,  in dvb_register_media_device()
438 				      &dvbdev->intf_devnode->intf,  in dvb_register_media_device()
451 	struct dvb_device *dvbdev;  in dvb_register_device()  local
468 	*pdvbdev = dvbdev = kzalloc(sizeof(*dvbdev), GFP_KERNEL);  in dvb_register_device()
469 	if (!dvbdev) {  in dvb_register_device()
490 			kfree(dvbdev);  in dvb_register_device()
498 			kfree(dvbdev);  in dvb_register_device()
509 	memcpy(dvbdev, template, sizeof(struct dvb_device));  in dvb_register_device()
510 	kref_init(&dvbdev->ref);  in dvb_register_device()
511 	dvbdev->type = type;  in dvb_register_device()
512 	dvbdev->id = id;  in dvb_register_device()
513 	dvbdev->adapter = adap;  in dvb_register_device()
514 	dvbdev->priv = priv;  in dvb_register_device()
515 	dvbdev->fops = dvbdevfops;  in dvb_register_device()
516 	init_waitqueue_head(&dvbdev->wait_queue);  in dvb_register_device()
518 	list_add_tail(&dvbdev->list_head, &adap->device_list);  in dvb_register_device()
530 		list_del(&dvbdev->list_head);  in dvb_register_device()
531 		kfree(dvbdev);  in dvb_register_device()
539 	dvbdev->minor = minor;  in dvb_register_device()
540 	dvb_minors[minor] = dvb_device_get(dvbdev);  in dvb_register_device()
542 	ret = dvb_register_media_device(dvbdev, type, minor, demux_sink_pads);  in dvb_register_device()
551 		dvb_media_device_free(dvbdev);  in dvb_register_device()
552 		list_del(&dvbdev->list_head);  in dvb_register_device()
553 		kfree(dvbdev);  in dvb_register_device()
560 			       dvbdev, "dvb%d.%s%d", adap->num, dnames[type], id);  in dvb_register_device()
569 		dvb_media_device_free(dvbdev);  in dvb_register_device()
570 		list_del(&dvbdev->list_head);  in dvb_register_device()
571 		kfree(dvbdev);  in dvb_register_device()
584 void dvb_remove_device(struct dvb_device *dvbdev)  in dvb_remove_device()  argument
586 	if (!dvbdev)  in dvb_remove_device()
590 	dvb_minors[dvbdev->minor] = NULL;  in dvb_remove_device()
591 	dvb_device_put(dvbdev);  in dvb_remove_device()
594 	dvb_media_device_free(dvbdev);  in dvb_remove_device()
596 	device_destroy(dvb_class, MKDEV(DVB_MAJOR, dvbdev->minor));  in dvb_remove_device()
598 	list_del(&dvbdev->list_head);  in dvb_remove_device()
604 	struct dvb_device *dvbdev = container_of(ref, struct dvb_device, ref);  in dvb_free_device()  local
606 	kfree(dvbdev);  in dvb_free_device()
609 struct dvb_device *dvb_device_get(struct dvb_device *dvbdev)  in dvb_device_get()  argument
611 	kref_get(&dvbdev->ref);  in dvb_device_get()
612 	return dvbdev;  in dvb_device_get()
616 void dvb_device_put(struct dvb_device *dvbdev)  in dvb_device_put()  argument
618 	if (dvbdev)  in dvb_device_put()
619 		kref_put(&dvbdev->ref, dvb_free_device);  in dvb_device_put()
622 void dvb_unregister_device(struct dvb_device *dvbdev)  in dvb_unregister_device()  argument
624 	dvb_remove_device(dvbdev);  in dvb_unregister_device()
625 	dvb_device_put(dvbdev);  in dvb_unregister_device()
1058 	const struct dvb_device *dvbdev = dev_get_drvdata(dev);  in dvb_uevent()  local
1060 	add_uevent_var(env, "DVB_ADAPTER_NUM=%d", dvbdev->adapter->num);  in dvb_uevent()
1061 	add_uevent_var(env, "DVB_DEVICE_TYPE=%s", dnames[dvbdev->type]);  in dvb_uevent()
1062 	add_uevent_var(env, "DVB_DEVICE_NUM=%d", dvbdev->id);  in dvb_uevent()
1068 	const struct dvb_device *dvbdev = dev_get_drvdata(dev);  in dvb_devnode()  local
1071 		dvbdev->adapter->num, dnames[dvbdev->type], dvbdev->id);  in dvb_devnode()