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

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3     file operation functions
   4     Copyright (C) 2003-2004  Kevin Thayer <nufan_wfk at yahoo.com>
   5     Copyright (C) 2005-2007  Hans Verkuil <hverkuil@xs4all.nl>
   6
   7  */
   8
   9 #ifndef IVTV_FILEOPS_H
  10 #define IVTV_FILEOPS_H
  11
  12 /* Testing/Debugging */
  13 int ivtv_v4l2_open(struct file *filp);
  14 ssize_t ivtv_v4l2_read(struct file *filp, char __user *buf, size_t count,
  15                       loff_t * pos);
  16 ssize_t ivtv_v4l2_write(struct file *filp, const char __user *buf, size_t count,
  17                        loff_t * pos);
  18 int ivtv_v4l2_close(struct file *filp);
  19 __poll_t ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait);
  20 __poll_t ivtv_v4l2_dec_poll(struct file *filp, poll_table * wait);
  21 int ivtv_start_capture(struct ivtv_open_id *id);
  22 void ivtv_stop_capture(struct ivtv_open_id *id, int gop_end);
  23 int ivtv_start_decoding(struct ivtv_open_id *id, int speed);
  24 void ivtv_mute(struct ivtv *itv);
  25 void ivtv_unmute(struct ivtv *itv);
  26
  27 /* Utilities */
  28 /* Shared with ivtv-alsa module */
  29 int ivtv_claim_stream(struct ivtv_open_id *id, int type);
  30 void ivtv_release_stream(struct ivtv_stream *s);
  31
  32 #endif