xref: /openbmc/linux/include/media/videobuf2-dvb.h (revision 3e947c36)
1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */
2701b57eeSHans Verkuil #ifndef _VIDEOBUF2_DVB_H_
3701b57eeSHans Verkuil #define	_VIDEOBUF2_DVB_H_
4701b57eeSHans Verkuil 
5fada1935SMauro Carvalho Chehab #include <media/dvbdev.h>
6fada1935SMauro Carvalho Chehab #include <media/dmxdev.h>
7fada1935SMauro Carvalho Chehab #include <media/dvb_demux.h>
8fada1935SMauro Carvalho Chehab #include <media/dvb_net.h>
9fada1935SMauro Carvalho Chehab #include <media/dvb_frontend.h>
103c5be988SJunghak Sung #include <media/videobuf2-v4l2.h>
112773b0e9SMauro Carvalho Chehab 
122773b0e9SMauro Carvalho Chehab /* We don't actually need to include media-device.h here */
132773b0e9SMauro Carvalho Chehab struct media_device;
142773b0e9SMauro Carvalho Chehab 
153c5be988SJunghak Sung /*
163c5be988SJunghak Sung  * TODO: This header file should be replaced with videobuf2-core.h
173c5be988SJunghak Sung  * Currently, vb2_thread is not a stuff of videobuf2-core,
183c5be988SJunghak Sung  * since vb2_thread has many dependencies on videobuf2-v4l2.
193c5be988SJunghak Sung  */
20701b57eeSHans Verkuil 
21701b57eeSHans Verkuil struct vb2_dvb {
22701b57eeSHans Verkuil 	/* filling that the job of the driver */
23701b57eeSHans Verkuil 	char			*name;
24701b57eeSHans Verkuil 	struct dvb_frontend	*frontend;
25701b57eeSHans Verkuil 	struct vb2_queue	dvbq;
26701b57eeSHans Verkuil 
27*3e947c36SHans Verkuil 	/* vb2-dvb state info */
28701b57eeSHans Verkuil 	struct mutex		lock;
29701b57eeSHans Verkuil 	int			nfeeds;
30701b57eeSHans Verkuil 
31701b57eeSHans Verkuil 	/* vb2_dvb_(un)register manages this */
32701b57eeSHans Verkuil 	struct dvb_demux	demux;
33701b57eeSHans Verkuil 	struct dmxdev		dmxdev;
34701b57eeSHans Verkuil 	struct dmx_frontend	fe_hw;
35701b57eeSHans Verkuil 	struct dmx_frontend	fe_mem;
36701b57eeSHans Verkuil 	struct dvb_net		net;
37701b57eeSHans Verkuil };
38701b57eeSHans Verkuil 
39701b57eeSHans Verkuil struct vb2_dvb_frontend {
40701b57eeSHans Verkuil 	struct list_head felist;
41701b57eeSHans Verkuil 	int id;
42701b57eeSHans Verkuil 	struct vb2_dvb dvb;
43701b57eeSHans Verkuil };
44701b57eeSHans Verkuil 
45701b57eeSHans Verkuil struct vb2_dvb_frontends {
46701b57eeSHans Verkuil 	struct list_head felist;
47701b57eeSHans Verkuil 	struct mutex lock;
48701b57eeSHans Verkuil 	struct dvb_adapter adapter;
49701b57eeSHans Verkuil 	int active_fe_id; /* Indicates which frontend in the felist is in use */
50701b57eeSHans Verkuil 	int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */
51701b57eeSHans Verkuil };
52701b57eeSHans Verkuil 
53701b57eeSHans Verkuil int vb2_dvb_register_bus(struct vb2_dvb_frontends *f,
54701b57eeSHans Verkuil 			 struct module *module,
55701b57eeSHans Verkuil 			 void *adapter_priv,
56701b57eeSHans Verkuil 			 struct device *device,
572773b0e9SMauro Carvalho Chehab 			 struct media_device *mdev,
58701b57eeSHans Verkuil 			 short *adapter_nr,
59701b57eeSHans Verkuil 			 int mfe_shared);
60701b57eeSHans Verkuil 
61701b57eeSHans Verkuil void vb2_dvb_unregister_bus(struct vb2_dvb_frontends *f);
62701b57eeSHans Verkuil 
63701b57eeSHans Verkuil struct vb2_dvb_frontend *vb2_dvb_alloc_frontend(struct vb2_dvb_frontends *f, int id);
64701b57eeSHans Verkuil void vb2_dvb_dealloc_frontends(struct vb2_dvb_frontends *f);
65701b57eeSHans Verkuil 
66701b57eeSHans Verkuil struct vb2_dvb_frontend *vb2_dvb_get_frontend(struct vb2_dvb_frontends *f, int id);
67701b57eeSHans Verkuil int vb2_dvb_find_frontend(struct vb2_dvb_frontends *f, struct dvb_frontend *p);
68701b57eeSHans Verkuil 
69701b57eeSHans Verkuil #endif			/* _VIDEOBUF2_DVB_H_ */
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