ssv_dnp.c | Explore in Territory

// SPDX-License-Identifier: GPL-2.0+
/*
 * ssv_dnp.c
 * generic comedi driver for SSV Embedded Systems' DIL/Net-PCs
 * Copyright (C) 2001 Robert Schwebel <[email protected]>
 *
 * COMEDI - Linux Control and Measurement Device Interface
 * Copyright (C) 2000 David A. Schleef <[email protected]>
 */

/*
 * Driver: ssv_dnp
 * Description: SSV Embedded Systems DIL/Net-PC
 * Author: Robert Schwebel <[email protected]>
 * Devices: [SSV Embedded Systems] DIL/Net-PC 1486 (dnp-1486)
 * Status: unknown
 */

/* include files ----------------------------------------------------------- */

#include <linux/module.h>
#include <linux/comedi/comedidev.h>

/* Some global definitions: the registers of the DNP ----------------------- */
/*                                                                           */
/* For port A and B the mode register has bits corresponding to the output   */
/* pins, where Bit-N = 0 -> input, Bit-N = 1 -> output. Note that bits       */
/* 4 to 7 correspond to pin 0..3 for port C data register. Ensure that bits  */
/* 0..3 remain unchanged! For details about Port C Mode Register see         */
/* the remarks in dnp_insn_config() below.                                   */

#define CSCIR …
#define CSCDR …
#define PAMR …
#define PADR …
#define PBMR …
#define PBDR …
#define PCMR …
#define PCDR …

static int dnp_dio_insn_bits(struct comedi_device *dev,
			     struct comedi_subdevice *s,
			     struct comedi_insn *insn,
			     unsigned int *data)
{ … }

static int dnp_dio_insn_config(struct comedi_device *dev,
			       struct comedi_subdevice *s,
			       struct comedi_insn *insn,
			       unsigned int *data)
{ … }

static int dnp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{ … }

static void dnp_detach(struct comedi_device *dev)
{ … }

static struct comedi_driver dnp_driver = …;
module_comedi_driver(…);

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
linux/drivers/comedi/drivers/ssv_dnp.c
