LXR linux/drivers/comedi/comedilib.h

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * comedilib.h
   4 * Header file for kcomedilib
   5 *
   6 * COMEDI - Linux Control and Measurement Device Interface
   7 * Copyright (C) 1998-2001 David A. Schleef <ds@schleef.org>
   8 */
   9
  10#ifndef _LINUX_COMEDILIB_H
  11#define _LINUX_COMEDILIB_H
  12
  13struct comedi_device *comedi_open(const char *path);
  14int comedi_close(struct comedi_device *dev);
  15int comedi_dio_get_config(struct comedi_device *dev, unsigned int subdev,
  16                          unsigned int chan, unsigned int *io);
  17int comedi_dio_config(struct comedi_device *dev, unsigned int subdev,
  18                      unsigned int chan, unsigned int io);
  19int comedi_dio_bitfield2(struct comedi_device *dev, unsigned int subdev,
  20                         unsigned int mask, unsigned int *bits,
  21                         unsigned int base_channel);
  22int comedi_find_subdevice_by_type(struct comedi_device *dev, int type,
  23                                  unsigned int subd);
  24int comedi_get_n_channels(struct comedi_device *dev, unsigned int subdevice);
  25
  26#endif
  27