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kernel/linux-rt-4.4.41/drivers/media/pci/cx18/cx18-fileops.h 1.63 KB
5113f6f70   김현기   kernel add
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  /*
   *  cx18 file operation functions
   *
   *  Derived from ivtv-fileops.h
   *
   *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
   *
   *  This program is free software; you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation; either version 2 of the License, or
   *  (at your option) any later version.
   *
   *  This program is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *  along with this program; if not, write to the Free Software
   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   *  02111-1307  USA
   */
  
  /* Testing/Debugging */
  int cx18_v4l2_open(struct file *filp);
  ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count,
  		      loff_t *pos);
  ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count,
  		       loff_t *pos);
  int cx18_v4l2_close(struct file *filp);
  unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait);
  int cx18_start_capture(struct cx18_open_id *id);
  void cx18_stop_capture(struct cx18_open_id *id, int gop_end);
  void cx18_mute(struct cx18 *cx);
  void cx18_unmute(struct cx18 *cx);
  int cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma);
  void cx18_vb_timeout(unsigned long data);
  
  /* Shared with cx18-alsa module */
  int cx18_claim_stream(struct cx18_open_id *id, int type);
  void cx18_release_stream(struct cx18_stream *s);