LXR linux/drivers/media/pci/ivtv/ivtv-fileops.h

   1/*
   2    file operation functions
   3    Copyright (C) 2003-2004  Kevin Thayer <nufan_wfk at yahoo.com>
   4    Copyright (C) 2005-2007  Hans Verkuil <hverkuil@xs4all.nl>
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20
  21#ifndef IVTV_FILEOPS_H
  22#define IVTV_FILEOPS_H
  23
  24/* Testing/Debugging */
  25int ivtv_v4l2_open(struct file *filp);
  26ssize_t ivtv_v4l2_read(struct file *filp, char __user *buf, size_t count,
  27                      loff_t * pos);
  28ssize_t ivtv_v4l2_write(struct file *filp, const char __user *buf, size_t count,
  29                       loff_t * pos);
  30int ivtv_v4l2_close(struct file *filp);
  31unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait);
  32unsigned int ivtv_v4l2_dec_poll(struct file *filp, poll_table * wait);
  33int ivtv_start_capture(struct ivtv_open_id *id);
  34void ivtv_stop_capture(struct ivtv_open_id *id, int gop_end);
  35int ivtv_start_decoding(struct ivtv_open_id *id, int speed);
  36void ivtv_mute(struct ivtv *itv);
  37void ivtv_unmute(struct ivtv *itv);
  38
  39/* Utilities */
  40/* Shared with ivtv-alsa module */
  41int ivtv_claim_stream(struct ivtv_open_id *id, int type);
  42void ivtv_release_stream(struct ivtv_stream *s);
  43
  44#endif
  45