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