LXR linux/drivers/media/pci/cx18/cx18-fileops.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 *  cx18 file operation functions
   4 *
   5 *  Derived from ivtv-fileops.h
   6 *
   7 *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
   8 */
   9
  10/* Testing/Debugging */
  11int cx18_v4l2_open(struct file *filp);
  12ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count,
  13                      loff_t *pos);
  14ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count,
  15                       loff_t *pos);
  16int cx18_v4l2_close(struct file *filp);
  17__poll_t cx18_v4l2_enc_poll(struct file *filp, poll_table *wait);
  18int cx18_start_capture(struct cx18_open_id *id);
  19void cx18_stop_capture(struct cx18_open_id *id, int gop_end);
  20void cx18_mute(struct cx18 *cx);
  21void cx18_unmute(struct cx18 *cx);
  22int cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma);
  23void cx18_vb_timeout(struct timer_list *t);
  24
  25/* Shared with cx18-alsa module */
  26int cx18_claim_stream(struct cx18_open_id *id, int type);
  27void cx18_release_stream(struct cx18_stream *s);
  28