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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _VIDEOBUF2_DVB_H_
#define _VIDEOBUF2_DVB_H_
#include <media/dvbdev.h>
#include <media/dmxdev.h>
#include <media/dvb_demux.h>
#include <media/dvb_net.h>
#include <media/dvb_frontend.h>
#include <media/videobuf2-v4l2.h>
/* We don't actually need to include media-device.h here */
struct media_device;
* TODO: This header file should be replaced with videobuf2-core.h
* Currently, vb2_thread is not a stuff of videobuf2-core,
* since vb2_thread has many dependencies on videobuf2-v4l2.
struct vb2_dvb {
/* filling that the job of the driver */
char *name;
struct dvb_frontend *frontend;
struct vb2_queue dvbq;
/* video-buf-dvb state info */
struct mutex lock;
int nfeeds;
/* vb2_dvb_(un)register manages this */
struct dvb_demux demux;
struct dmxdev dmxdev;
struct dmx_frontend fe_hw;
struct dmx_frontend fe_mem;
struct dvb_net net;
struct vb2_dvb_frontend {
struct list_head felist;
int id;
struct vb2_dvb dvb;
struct vb2_dvb_frontends {
struct list_head felist;
struct mutex lock;
struct dvb_adapter adapter;
int active_fe_id; /* Indicates which frontend in the felist is in use */
int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */
int vb2_dvb_register_bus(struct vb2_dvb_frontends *f,
struct module *module,
void *adapter_priv,
struct device *device,
struct media_device *mdev,
short *adapter_nr,
int mfe_shared);
void vb2_dvb_unregister_bus(struct vb2_dvb_frontends *f);
struct vb2_dvb_frontend *vb2_dvb_alloc_frontend(struct vb2_dvb_frontends *f, int id);
void vb2_dvb_dealloc_frontends(struct vb2_dvb_frontends *f);
struct vb2_dvb_frontend *vb2_dvb_get_frontend(struct vb2_dvb_frontends *f, int id);
int vb2_dvb_find_frontend(struct vb2_dvb_frontends *f, struct dvb_frontend *p);
#endif /* _VIDEOBUF2_DVB_H_ */