1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _VIDEOBUF2_DVB_H_ |
3 | #define _VIDEOBUF2_DVB_H_ |
4 | |
5 | #include <media/dvbdev.h> |
6 | #include <media/dmxdev.h> |
7 | #include <media/dvb_demux.h> |
8 | #include <media/dvb_net.h> |
9 | #include <media/dvb_frontend.h> |
10 | #include <media/videobuf2-v4l2.h> |
11 | |
12 | /* We don't actually need to include media-device.h here */ |
13 | struct media_device; |
14 | |
15 | /* |
16 | * TODO: This header file should be replaced with videobuf2-core.h |
17 | * Currently, vb2_thread is not a stuff of videobuf2-core, |
18 | * since vb2_thread has many dependencies on videobuf2-v4l2. |
19 | */ |
20 | |
21 | struct vb2_dvb { |
22 | /* filling that the job of the driver */ |
23 | char *name; |
24 | struct dvb_frontend *frontend; |
25 | struct vb2_queue dvbq; |
26 | |
27 | /* vb2-dvb state info */ |
28 | struct mutex lock; |
29 | int nfeeds; |
30 | |
31 | /* vb2_dvb_(un)register manages this */ |
32 | struct dvb_demux demux; |
33 | struct dmxdev dmxdev; |
34 | struct dmx_frontend fe_hw; |
35 | struct dmx_frontend fe_mem; |
36 | struct dvb_net net; |
37 | }; |
38 | |
39 | struct vb2_dvb_frontend { |
40 | struct list_head felist; |
41 | int id; |
42 | struct vb2_dvb dvb; |
43 | }; |
44 | |
45 | struct vb2_dvb_frontends { |
46 | struct list_head felist; |
47 | struct mutex lock; |
48 | struct dvb_adapter adapter; |
49 | int active_fe_id; /* Indicates which frontend in the felist is in use */ |
50 | int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */ |
51 | }; |
52 | |
53 | int vb2_dvb_register_bus(struct vb2_dvb_frontends *f, |
54 | struct module *module, |
55 | void *adapter_priv, |
56 | struct device *device, |
57 | struct media_device *mdev, |
58 | short *adapter_nr, |
59 | int mfe_shared); |
60 | |
61 | void vb2_dvb_unregister_bus(struct vb2_dvb_frontends *f); |
62 | |
63 | struct vb2_dvb_frontend *vb2_dvb_alloc_frontend(struct vb2_dvb_frontends *f, int id); |
64 | void vb2_dvb_dealloc_frontends(struct vb2_dvb_frontends *f); |
65 | |
66 | struct vb2_dvb_frontend *vb2_dvb_get_frontend(struct vb2_dvb_frontends *f, int id); |
67 | int vb2_dvb_find_frontend(struct vb2_dvb_frontends *f, struct dvb_frontend *p); |
68 | |
69 | #endif /* _VIDEOBUF2_DVB_H_ */ |
70 | |