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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
701b57ee HV |
2 | #ifndef _VIDEOBUF2_DVB_H_ |
3 | #define _VIDEOBUF2_DVB_H_ | |
4 | ||
5 | #include <dvbdev.h> | |
6 | #include <dmxdev.h> | |
7 | #include <dvb_demux.h> | |
8 | #include <dvb_net.h> | |
9 | #include <dvb_frontend.h> | |
3c5be988 JS |
10 | |
11 | #include <media/videobuf2-v4l2.h> | |
2773b0e9 MCC |
12 | |
13 | /* We don't actually need to include media-device.h here */ | |
14 | struct media_device; | |
15 | ||
3c5be988 JS |
16 | /* |
17 | * TODO: This header file should be replaced with videobuf2-core.h | |
18 | * Currently, vb2_thread is not a stuff of videobuf2-core, | |
19 | * since vb2_thread has many dependencies on videobuf2-v4l2. | |
20 | */ | |
701b57ee HV |
21 | |
22 | struct vb2_dvb { | |
23 | /* filling that the job of the driver */ | |
24 | char *name; | |
25 | struct dvb_frontend *frontend; | |
26 | struct vb2_queue dvbq; | |
27 | ||
28 | /* video-buf-dvb state info */ | |
29 | struct mutex lock; | |
30 | int nfeeds; | |
31 | ||
32 | /* vb2_dvb_(un)register manages this */ | |
33 | struct dvb_demux demux; | |
34 | struct dmxdev dmxdev; | |
35 | struct dmx_frontend fe_hw; | |
36 | struct dmx_frontend fe_mem; | |
37 | struct dvb_net net; | |
38 | }; | |
39 | ||
40 | struct vb2_dvb_frontend { | |
41 | struct list_head felist; | |
42 | int id; | |
43 | struct vb2_dvb dvb; | |
44 | }; | |
45 | ||
46 | struct vb2_dvb_frontends { | |
47 | struct list_head felist; | |
48 | struct mutex lock; | |
49 | struct dvb_adapter adapter; | |
50 | int active_fe_id; /* Indicates which frontend in the felist is in use */ | |
51 | int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */ | |
52 | }; | |
53 | ||
54 | int vb2_dvb_register_bus(struct vb2_dvb_frontends *f, | |
55 | struct module *module, | |
56 | void *adapter_priv, | |
57 | struct device *device, | |
2773b0e9 | 58 | struct media_device *mdev, |
701b57ee HV |
59 | short *adapter_nr, |
60 | int mfe_shared); | |
61 | ||
62 | void vb2_dvb_unregister_bus(struct vb2_dvb_frontends *f); | |
63 | ||
64 | struct vb2_dvb_frontend *vb2_dvb_alloc_frontend(struct vb2_dvb_frontends *f, int id); | |
65 | void vb2_dvb_dealloc_frontends(struct vb2_dvb_frontends *f); | |
66 | ||
67 | struct vb2_dvb_frontend *vb2_dvb_get_frontend(struct vb2_dvb_frontends *f, int id); | |
68 | int vb2_dvb_find_frontend(struct vb2_dvb_frontends *f, struct dvb_frontend *p); | |
69 | ||
70 | #endif /* _VIDEOBUF2_DVB_H_ */ |