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 
13 struct comedi_device *comedi_open(const char *path);
14 int comedi_close(struct comedi_device *dev);
15 int comedi_dio_get_config(struct comedi_device *dev, unsigned int subdev,
16 			  unsigned int chan, unsigned int *io);
17 int comedi_dio_config(struct comedi_device *dev, unsigned int subdev,
18 		      unsigned int chan, unsigned int io);
19 int comedi_dio_bitfield2(struct comedi_device *dev, unsigned int subdev,
20 			 unsigned int mask, unsigned int *bits,
21 			 unsigned int base_channel);
22 int comedi_find_subdevice_by_type(struct comedi_device *dev, int type,
23 				  unsigned int subd);
24 int comedi_get_n_channels(struct comedi_device *dev, unsigned int subdevice);
25 
26 #endif
27