1#ifndef _VIDEOBUF2_DVB_H_
2#define	_VIDEOBUF2_DVB_H_
3
4#include <dvbdev.h>
5#include <dmxdev.h>
6#include <dvb_demux.h>
7#include <dvb_net.h>
8#include <dvb_frontend.h>
9
10#include <media/videobuf2-v4l2.h>
11/*
12 * TODO: This header file should be replaced with videobuf2-core.h
13 * Currently, vb2_thread is not a stuff of videobuf2-core,
14 * since vb2_thread has many dependencies on videobuf2-v4l2.
15 */
16
17struct vb2_dvb {
18	/* filling that the job of the driver */
19	char			*name;
20	struct dvb_frontend	*frontend;
21	struct vb2_queue	dvbq;
22
23	/* video-buf-dvb state info */
24	struct mutex		lock;
25	int			nfeeds;
26
27	/* vb2_dvb_(un)register manages this */
28	struct dvb_demux	demux;
29	struct dmxdev		dmxdev;
30	struct dmx_frontend	fe_hw;
31	struct dmx_frontend	fe_mem;
32	struct dvb_net		net;
33};
34
35struct vb2_dvb_frontend {
36	struct list_head felist;
37	int id;
38	struct vb2_dvb dvb;
39};
40
41struct vb2_dvb_frontends {
42	struct list_head felist;
43	struct mutex lock;
44	struct dvb_adapter adapter;
45	int active_fe_id; /* Indicates which frontend in the felist is in use */
46	int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */
47};
48
49int vb2_dvb_register_bus(struct vb2_dvb_frontends *f,
50			 struct module *module,
51			 void *adapter_priv,
52			 struct device *device,
53			 short *adapter_nr,
54			 int mfe_shared);
55
56void vb2_dvb_unregister_bus(struct vb2_dvb_frontends *f);
57
58struct vb2_dvb_frontend *vb2_dvb_alloc_frontend(struct vb2_dvb_frontends *f, int id);
59void vb2_dvb_dealloc_frontends(struct vb2_dvb_frontends *f);
60
61struct vb2_dvb_frontend *vb2_dvb_get_frontend(struct vb2_dvb_frontends *f, int id);
62int vb2_dvb_find_frontend(struct vb2_dvb_frontends *f, struct dvb_frontend *p);
63
64#endif			/* _VIDEOBUF2_DVB_H_ */
65