|  | /* SPDX-License-Identifier: GPL-2.0+ */ | 
|  | /* | 
|  | * comedilib.h | 
|  | * Header file for kcomedilib | 
|  | * | 
|  | * COMEDI - Linux Control and Measurement Device Interface | 
|  | * Copyright (C) 1998-2001 David A. Schleef <ds@schleef.org> | 
|  | */ | 
|  |  | 
|  | #ifndef _LINUX_COMEDILIB_H | 
|  | #define _LINUX_COMEDILIB_H | 
|  |  | 
|  | struct comedi_device *comedi_open(const char *path); | 
|  | int comedi_close(struct comedi_device *dev); | 
|  | int comedi_dio_get_config(struct comedi_device *dev, unsigned int subdev, | 
|  | unsigned int chan, unsigned int *io); | 
|  | int comedi_dio_config(struct comedi_device *dev, unsigned int subdev, | 
|  | unsigned int chan, unsigned int io); | 
|  | int comedi_dio_bitfield2(struct comedi_device *dev, unsigned int subdev, | 
|  | unsigned int mask, unsigned int *bits, | 
|  | unsigned int base_channel); | 
|  | int comedi_find_subdevice_by_type(struct comedi_device *dev, int type, | 
|  | unsigned int subd); | 
|  | int comedi_get_n_channels(struct comedi_device *dev, unsigned int subdevice); | 
|  |  | 
|  | #endif |