drivers/media/video/cx18/cx18-fileops.h

   1 /*
   2  *  cx18 file operation functions
   3  *
   4  *  Derived from ivtv-fileops.h
   5  *
   6  *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  21  *  02111-1307  USA
  22  */
  23
  24 /* Testing/Debugging */
  25 int cx18_v4l2_open(struct file *filp);
  26 ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count,
  27                       loff_t *pos);
  28 ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count,
  29                        loff_t *pos);
  30 int cx18_v4l2_close(struct file *filp);
  31 unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait);
  32 int cx18_start_capture(struct cx18_open_id *id);
  33 void cx18_stop_capture(struct cx18_open_id *id, int gop_end);
  34 void cx18_mute(struct cx18 *cx);
  35 void cx18_unmute(struct cx18 *cx);
  36
  37 /* Shared with cx18-alsa module */
  38 int cx18_claim_stream(struct cx18_open_id *id, int type);
  39 void cx18_release_stream(struct cx18_stream *s);