linux/drivers/comedi/drivers/amplc_pc263.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Driver for Amplicon PC263 relay board.
 *
 * Copyright (C) 2002 MEV Ltd. <https://www.mev.co.uk/>
 *
 * COMEDI - Linux Control and Measurement Device Interface
 * Copyright (C) 2000 David A. Schleef <[email protected]>
 */

/*
 * Driver: amplc_pc263
 * Description: Amplicon PC263
 * Author: Ian Abbott <[email protected]>
 * Devices: [Amplicon] PC263 (pc263)
 * Updated: Fri, 12 Apr 2013 15:19:36 +0100
 * Status: works
 *
 * Configuration options:
 *   [0] - I/O port base address
 *
 * The board appears as one subdevice, with 16 digital outputs, each
 * connected to a reed-relay. Relay contacts are closed when output is 1.
 * The state of the outputs can be read.
 */

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

/* PC263 registers */
#define PC263_DO_0_7_REG …
#define PC263_DO_8_15_REG …

struct pc263_board { … };

static const struct pc263_board pc263_boards[] = …;

static int pc263_do_insn_bits(struct comedi_device *dev,
			      struct comedi_subdevice *s,
			      struct comedi_insn *insn,
			      unsigned int *data)
{ … }

static int pc263_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{ … }

static struct comedi_driver amplc_pc263_driver = …;

module_comedi_driver(…);

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;