text: /* SPDX-License-Identifier: GPL-2.0-or-later */
  /*
      Vertical Blank Interval support functions
      Copyright (C) 2004-2007  Hans Verkuil <hverkuil@xs4all.nl>
  
   */
  
  #ifndef IVTV_VBI_H
  #define IVTV_VBI_H
  
  ssize_t
  ivtv_write_vbi_from_user(struct ivtv *itv,
  			 const struct v4l2_sliced_vbi_data __user *sliced,
  			 size_t count);
  void ivtv_process_vbi_data(struct ivtv *itv, struct ivtv_buffer *buf,
  			   u64 pts_stamp, int streamtype);
  int ivtv_used_line(struct ivtv *itv, int line, int field);
  void ivtv_disable_cc(struct ivtv *itv);
  void ivtv_set_vbi(unsigned long arg);
  void ivtv_vbi_work_handler(struct ivtv *itv);
  
  #endif
  