#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-v4l2.h>

  
  /* We don't actually need to include media-device.h here */
  struct media_device;

  /*
   * TODO: This header file should be replaced with videobuf2-core.h
   * Currently, vb2_thread is not a stuff of videobuf2-core,
   * since vb2_thread has many dependencies on videobuf2-v4l2.
   */

  
  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,

  			 struct media_device *mdev,

  			 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_ */