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Merge tag 'dmaengine-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw...
[mirror_ubuntu-artful-kernel.git] / include / media / videobuf2-dvb.h
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 #include <media/videobuf2-core.h>
10
11 struct vb2_dvb {
12 /* filling that the job of the driver */
13 char *name;
14 struct dvb_frontend *frontend;
15 struct vb2_queue dvbq;
16
17 /* video-buf-dvb state info */
18 struct mutex lock;
19 int nfeeds;
20
21 /* vb2_dvb_(un)register manages this */
22 struct dvb_demux demux;
23 struct dmxdev dmxdev;
24 struct dmx_frontend fe_hw;
25 struct dmx_frontend fe_mem;
26 struct dvb_net net;
27 };
28
29 struct vb2_dvb_frontend {
30 struct list_head felist;
31 int id;
32 struct vb2_dvb dvb;
33 };
34
35 struct vb2_dvb_frontends {
36 struct list_head felist;
37 struct mutex lock;
38 struct dvb_adapter adapter;
39 int active_fe_id; /* Indicates which frontend in the felist is in use */
40 int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */
41 };
42
43 int vb2_dvb_register_bus(struct vb2_dvb_frontends *f,
44 struct module *module,
45 void *adapter_priv,
46 struct device *device,
47 short *adapter_nr,
48 int mfe_shared);
49
50 void vb2_dvb_unregister_bus(struct vb2_dvb_frontends *f);
51
52 struct vb2_dvb_frontend *vb2_dvb_alloc_frontend(struct vb2_dvb_frontends *f, int id);
53 void vb2_dvb_dealloc_frontends(struct vb2_dvb_frontends *f);
54
55 struct vb2_dvb_frontend *vb2_dvb_get_frontend(struct vb2_dvb_frontends *f, int id);
56 int vb2_dvb_find_frontend(struct vb2_dvb_frontends *f, struct dvb_frontend *p);
57
58 #endif /* _VIDEOBUF2_DVB_H_ */