2
0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-27 14:43:58 +08:00
linux-next/include/media/videobuf2-dvb.h
Hans Verkuil 701b57ee33 [media] vb2: Add videobuf2-dvb support
With the new vb2_thread_start/stop core code it is very easy to implement
videobuf2-dvb. This should simplify converting existing videobuf drivers to
vb2.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-04-16 18:59:29 -03:00

59 lines
1.5 KiB
C

#ifndef _VIDEOBUF2_DVB_H_
#define _VIDEOBUF2_DVB_H_
#include <dvbdev.h>
#include <dmxdev.h>
#include <dvb_demux.h>
#include <dvb_net.h>
#include <dvb_frontend.h>
#include <media/videobuf2-core.h>
struct vb2_dvb {
/* filling that the job of the driver */
char *name;
struct dvb_frontend *frontend;
struct vb2_queue dvbq;
/* video-buf-dvb state info */
struct mutex lock;
int nfeeds;
/* vb2_dvb_(un)register manages this */
struct dvb_demux demux;
struct dmxdev dmxdev;
struct dmx_frontend fe_hw;
struct dmx_frontend fe_mem;
struct dvb_net net;
};
struct vb2_dvb_frontend {
struct list_head felist;
int id;
struct vb2_dvb dvb;
};
struct vb2_dvb_frontends {
struct list_head felist;
struct mutex lock;
struct dvb_adapter adapter;
int active_fe_id; /* Indicates which frontend in the felist is in use */
int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */
};
int vb2_dvb_register_bus(struct vb2_dvb_frontends *f,
struct module *module,
void *adapter_priv,
struct device *device,
short *adapter_nr,
int mfe_shared);
void vb2_dvb_unregister_bus(struct vb2_dvb_frontends *f);
struct vb2_dvb_frontend *vb2_dvb_alloc_frontend(struct vb2_dvb_frontends *f, int id);
void vb2_dvb_dealloc_frontends(struct vb2_dvb_frontends *f);
struct vb2_dvb_frontend *vb2_dvb_get_frontend(struct vb2_dvb_frontends *f, int id);
int vb2_dvb_find_frontend(struct vb2_dvb_frontends *f, struct dvb_frontend *p);
#endif /* _VIDEOBUF2_DVB_H_ */