97 	struct dvb_device *dvbdev;  in dvb_device_open()  local
101 	dvbdev = dvb_minors[iminor(inode)];  in dvb_device_open()
103 	if (dvbdev && dvbdev->fops) {  in dvb_device_open()
107 		new_fops = fops_get(dvbdev->fops);  in dvb_device_open()
110 		file->private_data = dvbdev;  in dvb_device_open()
136 	struct dvb_device *dvbdev = file->private_data;  in dvb_generic_open()  local
138 	if (!dvbdev)  in dvb_generic_open()
141 	if (!dvbdev->users)  in dvb_generic_open()
145 		if (!dvbdev->readers)  in dvb_generic_open()
147 		dvbdev->readers--;  in dvb_generic_open()
149 		if (!dvbdev->writers)  in dvb_generic_open()
151 		dvbdev->writers--;  in dvb_generic_open()
154 	dvbdev->users--;  in dvb_generic_open()
162 	struct dvb_device *dvbdev = file->private_data;  in dvb_generic_release()  local
164 	if (!dvbdev)  in dvb_generic_release()
168 		dvbdev->readers++;  in dvb_generic_release()
170 		dvbdev->writers++;  in dvb_generic_release()
173 	dvbdev->users++;  in dvb_generic_release()
182 	struct dvb_device *dvbdev = file->private_data;  in dvb_generic_ioctl()  local
184 	if (!dvbdev)  in dvb_generic_ioctl()
187 	if (!dvbdev->kernel_ioctl)  in dvb_generic_ioctl()
190 	return dvb_usercopy(file, cmd, arg, dvbdev->kernel_ioctl);  in dvb_generic_ioctl()
211 static void dvb_media_device_free(struct dvb_device *dvbdev)  in dvb_media_device_free()  argument
214 	if (dvbdev->entity) {  in dvb_media_device_free()
215 		media_device_unregister_entity(dvbdev->entity);  in dvb_media_device_free()
216 		kfree(dvbdev->entity);  in dvb_media_device_free()
217 		kfree(dvbdev->pads);  in dvb_media_device_free()
218 		dvbdev->entity = NULL;  in dvb_media_device_free()
219 		dvbdev->pads = NULL;  in dvb_media_device_free()
222 	if (dvbdev->tsout_entity) {  in dvb_media_device_free()
225 		for (i = 0; i < dvbdev->tsout_num_entities; i++) {  in dvb_media_device_free()
226 			media_device_unregister_entity(&dvbdev->tsout_entity[i]);  in dvb_media_device_free()
227 			kfree(dvbdev->tsout_entity[i].name);  in dvb_media_device_free()
229 		kfree(dvbdev->tsout_entity);  in dvb_media_device_free()
230 		kfree(dvbdev->tsout_pads);  in dvb_media_device_free()
231 		dvbdev->tsout_entity = NULL;  in dvb_media_device_free()
232 		dvbdev->tsout_pads = NULL;  in dvb_media_device_free()
234 		dvbdev->tsout_num_entities = 0;  in dvb_media_device_free()
237 	if (dvbdev->intf_devnode) {  in dvb_media_device_free()
238 		media_devnode_remove(dvbdev->intf_devnode);  in dvb_media_device_free()
239 		dvbdev->intf_devnode = NULL;  in dvb_media_device_free()
242 	if (dvbdev->adapter->conn) {  in dvb_media_device_free()
243 		media_device_unregister_entity(dvbdev->adapter->conn);  in dvb_media_device_free()
244 		dvbdev->adapter->conn = NULL;  in dvb_media_device_free()
245 		kfree(dvbdev->adapter->conn_pads);  in dvb_media_device_free()
246 		dvbdev->adapter->conn_pads = NULL;  in dvb_media_device_free()
252 static int dvb_create_tsout_entity(struct dvb_device *dvbdev,  in dvb_create_tsout_entity()  argument
257 	dvbdev->tsout_pads = kcalloc(npads, sizeof(*dvbdev->tsout_pads),  in dvb_create_tsout_entity()
259 	if (!dvbdev->tsout_pads)  in dvb_create_tsout_entity()
262 	dvbdev->tsout_entity = kcalloc(npads, sizeof(*dvbdev->tsout_entity),  in dvb_create_tsout_entity()
264 	if (!dvbdev->tsout_entity)  in dvb_create_tsout_entity()
267 	dvbdev->tsout_num_entities = npads;  in dvb_create_tsout_entity()
270 		struct media_pad *pads = &dvbdev->tsout_pads[i];  in dvb_create_tsout_entity()
271 		struct media_entity *entity = &dvbdev->tsout_entity[i];  in dvb_create_tsout_entity()
284 		ret = media_device_register_entity(dvbdev->adapter->mdev,  in dvb_create_tsout_entity()
295 static int dvb_create_media_entity(struct dvb_device *dvbdev,  in dvb_create_media_entity()  argument
305 		ret = dvb_create_tsout_entity(dvbdev, DVR_TSOUT,  in dvb_create_media_entity()
310 		ret = dvb_create_tsout_entity(dvbdev, DEMUX_TSOUT,  in dvb_create_media_entity()
333 	dvbdev->entity = kzalloc(sizeof(*dvbdev->entity), GFP_KERNEL);  in dvb_create_media_entity()
334 	if (!dvbdev->entity)  in dvb_create_media_entity()
337 	dvbdev->entity->name = dvbdev->name;  in dvb_create_media_entity()
340 		dvbdev->pads = kcalloc(npads, sizeof(*dvbdev->pads),  in dvb_create_media_entity()
342 		if (!dvbdev->pads) {  in dvb_create_media_entity()
343 			kfree(dvbdev->entity);  in dvb_create_media_entity()
350 		dvbdev->entity->function = MEDIA_ENT_F_DTV_DEMOD;  in dvb_create_media_entity()
351 		dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK;  in dvb_create_media_entity()
352 		dvbdev->pads[1].flags = MEDIA_PAD_FL_SOURCE;  in dvb_create_media_entity()
355 		dvbdev->entity->function = MEDIA_ENT_F_TS_DEMUX;  in dvb_create_media_entity()
356 		dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK;  in dvb_create_media_entity()
358 			dvbdev->pads[i].flags = MEDIA_PAD_FL_SOURCE;  in dvb_create_media_entity()
361 		dvbdev->entity->function = MEDIA_ENT_F_DTV_CA;  in dvb_create_media_entity()
362 		dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK;  in dvb_create_media_entity()
363 		dvbdev->pads[1].flags = MEDIA_PAD_FL_SOURCE;  in dvb_create_media_entity()
367 		kfree(dvbdev->entity);  in dvb_create_media_entity()
368 		kfree(dvbdev->pads);  in dvb_create_media_entity()
369 		dvbdev->entity = NULL;  in dvb_create_media_entity()
370 		dvbdev->pads = NULL;  in dvb_create_media_entity()
375 		ret = media_entity_pads_init(dvbdev->entity, npads, dvbdev->pads);  in dvb_create_media_entity()
379 	ret = media_device_register_entity(dvbdev->adapter->mdev,  in dvb_create_media_entity()
380 					   dvbdev->entity);  in dvb_create_media_entity()
385 		__func__, dvbdev->entity->name);  in dvb_create_media_entity()
391 static int dvb_register_media_device(struct dvb_device *dvbdev,  in dvb_register_media_device()  argument
400 	if (!dvbdev->adapter->mdev)  in dvb_register_media_device()
403 	ret = dvb_create_media_entity(dvbdev, type, demux_sink_pads);  in dvb_register_media_device()
427 	dvbdev->intf_devnode = media_devnode_create(dvbdev->adapter->mdev,  in dvb_register_media_device()
431 	if (!dvbdev->intf_devnode)  in dvb_register_media_device()
442 	if (!dvbdev->entity)  in dvb_register_media_device()
445 	link = media_create_intf_link(dvbdev->entity,  in dvb_register_media_device()
446 				      &dvbdev->intf_devnode->intf,  in dvb_register_media_device()
459 	struct dvb_device *dvbdev;  in dvb_register_device()  local
474 	*pdvbdev = dvbdev = kzalloc(sizeof(*dvbdev), GFP_KERNEL);  in dvb_register_device()
476 	if (!dvbdev){  in dvb_register_device()
484 		kfree (dvbdev);  in dvb_register_device()
489 	memcpy(dvbdev, template, sizeof(struct dvb_device));  in dvb_register_device()
490 	dvbdev->type = type;  in dvb_register_device()
491 	dvbdev->id = id;  in dvb_register_device()
492 	dvbdev->adapter = adap;  in dvb_register_device()
493 	dvbdev->priv = priv;  in dvb_register_device()
494 	dvbdev->fops = dvbdevfops;  in dvb_register_device()
495 	init_waitqueue_head (&dvbdev->wait_queue);  in dvb_register_device()
499 	list_add_tail (&dvbdev->list_head, &adap->device_list);  in dvb_register_device()
509 		kfree(dvbdev);  in dvb_register_device()
518 	dvbdev->minor = minor;  in dvb_register_device()
519 	dvb_minors[minor] = dvbdev;  in dvb_register_device()
522 	ret = dvb_register_media_device(dvbdev, type, minor, demux_sink_pads);  in dvb_register_device()
527 		dvb_media_device_free(dvbdev);  in dvb_register_device()
529 		kfree(dvbdev);  in dvb_register_device()
538 			       dvbdev, "dvb%d.%s%d", adap->num, dnames[type], id);  in dvb_register_device()
552 void dvb_remove_device(struct dvb_device *dvbdev)  in dvb_remove_device()  argument
554 	if (!dvbdev)  in dvb_remove_device()
558 	dvb_minors[dvbdev->minor] = NULL;  in dvb_remove_device()
561 	dvb_media_device_free(dvbdev);  in dvb_remove_device()
563 	device_destroy(dvb_class, MKDEV(DVB_MAJOR, dvbdev->minor));  in dvb_remove_device()
565 	list_del (&dvbdev->list_head);  in dvb_remove_device()
570 void dvb_free_device(struct dvb_device *dvbdev)  in dvb_free_device()  argument
572 	if (!dvbdev)  in dvb_free_device()
575 	kfree (dvbdev->fops);  in dvb_free_device()
576 	kfree (dvbdev);  in dvb_free_device()
581 void dvb_unregister_device(struct dvb_device *dvbdev)  in dvb_unregister_device()  argument
583 	dvb_remove_device(dvbdev);  in dvb_unregister_device()
584 	dvb_free_device(dvbdev);  in dvb_unregister_device()
1016 	struct dvb_device *dvbdev = dev_get_drvdata(dev);  in dvb_uevent()  local
1018 	add_uevent_var(env, "DVB_ADAPTER_NUM=%d", dvbdev->adapter->num);  in dvb_uevent()
1019 	add_uevent_var(env, "DVB_DEVICE_TYPE=%s", dnames[dvbdev->type]);  in dvb_uevent()
1020 	add_uevent_var(env, "DVB_DEVICE_NUM=%d", dvbdev->id);  in dvb_uevent()
1026 	struct dvb_device *dvbdev = dev_get_drvdata(dev);  in dvb_devnode()  local
1029 		dvbdev->adapter->num, dnames[dvbdev->type], dvbdev->id);  in dvb_devnode()