include/media/videobuf2-dvb.h

   1 #ifndef _VIDEOBUF2_DVB_H_
   2 #define _VIDEOBUF2_DVB_H_
   3
   4 #include <dvbdev.h>
   5 #include <dmxdev.h>
   6 #include <dvb_demux.h>
   7 #include <dvb_net.h>
   8 #include <dvb_frontend.h>
   9 #include <media/videobuf2-core.h>
  10
  11 struct vb2_dvb {
  12         /* filling that the job of the driver */
  13         char                    *name;
  14         struct dvb_frontend     *frontend;
  15         struct vb2_queue        dvbq;
  16
  17         /* video-buf-dvb state info */
  18         struct mutex            lock;
  19         int                     nfeeds;
  20
  21         /* vb2_dvb_(un)register manages this */
  22         struct dvb_demux        demux;
  23         struct dmxdev           dmxdev;
  24         struct dmx_frontend     fe_hw;
  25         struct dmx_frontend     fe_mem;
  26         struct dvb_net          net;
  27 };
  28
  29 struct vb2_dvb_frontend {
  30         struct list_head felist;
  31         int id;
  32         struct vb2_dvb dvb;
  33 };
  34
  35 struct vb2_dvb_frontends {
  36         struct list_head felist;
  37         struct mutex lock;
  38         struct dvb_adapter adapter;
  39         int active_fe_id; /* Indicates which frontend in the felist is in use */
  40         int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */
  41 };
  42
  43 int vb2_dvb_register_bus(struct vb2_dvb_frontends *f,
  44                          struct module *module,
  45                          void *adapter_priv,
  46                          struct device *device,
  47                          short *adapter_nr,
  48                          int mfe_shared);
  49
  50 void vb2_dvb_unregister_bus(struct vb2_dvb_frontends *f);
  51
  52 struct vb2_dvb_frontend *vb2_dvb_alloc_frontend(struct vb2_dvb_frontends *f, int id);
  53 void vb2_dvb_dealloc_frontends(struct vb2_dvb_frontends *f);
  54
  55 struct vb2_dvb_frontend *vb2_dvb_get_frontend(struct vb2_dvb_frontends *f, int id);
  56 int vb2_dvb_find_frontend(struct vb2_dvb_frontends *f, struct dvb_frontend *p);
  57
  58 #endif                  /* _VIDEOBUF2_DVB_H_ */