drivers/media/pci/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
  19 /* Testing/Debugging */
  20 int cx18_v4l2_open(struct file *filp);
  21 ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count,
  22                       loff_t *pos);
  23 ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count,
  24                        loff_t *pos);
  25 int cx18_v4l2_close(struct file *filp);
  26 __poll_t cx18_v4l2_enc_poll(struct file *filp, poll_table *wait);
  27 int cx18_start_capture(struct cx18_open_id *id);
  28 void cx18_stop_capture(struct cx18_open_id *id, int gop_end);
  29 void cx18_mute(struct cx18 *cx);
  30 void cx18_unmute(struct cx18 *cx);
  31 int cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma);
  32 void cx18_vb_timeout(struct timer_list *t);
  33
  34 /* Shared with cx18-alsa module */
  35 int cx18_claim_stream(struct cx18_open_id *id, int type);
  36 void cx18_release_stream(struct cx18_stream *s);