1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _VIDEOBUF2_DVB_H_
3 #define _VIDEOBUF2_DVB_H_
9 #include <dvb_frontend.h>
11 #include <media/videobuf2-v4l2.h>
13 /* We don't actually need to include media-device.h here */
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.
23 /* filling that the job of the driver */
25 struct dvb_frontend *frontend;
26 struct vb2_queue dvbq;
28 /* video-buf-dvb state info */
32 /* vb2_dvb_(un)register manages this */
33 struct dvb_demux demux;
35 struct dmx_frontend fe_hw;
36 struct dmx_frontend fe_mem;
40 struct vb2_dvb_frontend {
41 struct list_head felist;
46 struct vb2_dvb_frontends {
47 struct list_head felist;
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 */
54 int vb2_dvb_register_bus(struct vb2_dvb_frontends *f,
55 struct module *module,
57 struct device *device,
58 struct media_device *mdev,
62 void vb2_dvb_unregister_bus(struct vb2_dvb_frontends *f);
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);
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);
70 #endif /* _VIDEOBUF2_DVB_H_ */