/* 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;

        /* vb2-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_ */