linux/drivers/comedi/drivers/c6xdigio.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * c6xdigio.c
 * Hardware driver for Mechatronic Systems Inc. C6x_DIGIO DSP daughter card.
 * http://web.archive.org/web/%2A/http://robot0.ge.uiuc.edu/~spong/mecha/
 *
 * COMEDI - Linux Control and Measurement Device Interface
 * Copyright (C) 1999 Dan Block
 */

/*
 * Driver: c6xdigio
 * Description: Mechatronic Systems Inc. C6x_DIGIO DSP daughter card
 * Author: Dan Block
 * Status: unknown
 * Devices: [Mechatronic Systems Inc.] C6x_DIGIO DSP daughter card (c6xdigio)
 * Updated: Sun Nov 20 20:18:34 EST 2005
 *
 * Configuration Options:
 *	[0] - base address
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/timex.h>
#include <linux/timer.h>
#include <linux/io.h>
#include <linux/pnp.h>
#include <linux/comedi/comedidev.h>

/*
 * Register I/O map
 */
#define C6XDIGIO_DATA_REG …
#define C6XDIGIO_DATA_CHAN(x) …
#define C6XDIGIO_DATA_PWM …
#define C6XDIGIO_DATA_ENCODER …
#define C6XDIGIO_STATUS_REG …
#define C6XDIGIO_CTRL_REG …

#define C6XDIGIO_TIME_OUT …

static int c6xdigio_chk_status(struct comedi_device *dev, unsigned long context)
{ … }

static int c6xdigio_write_data(struct comedi_device *dev,
			       unsigned int val, unsigned int status)
{ … }

static int c6xdigio_get_encoder_bits(struct comedi_device *dev,
				     unsigned int *bits,
				     unsigned int cmd,
				     unsigned int status)
{ … }

static void c6xdigio_pwm_write(struct comedi_device *dev,
			       unsigned int chan, unsigned int val)
{ … }

static int c6xdigio_encoder_read(struct comedi_device *dev,
				 unsigned int chan)
{ … }

static int c6xdigio_pwm_insn_write(struct comedi_device *dev,
				   struct comedi_subdevice *s,
				   struct comedi_insn *insn,
				   unsigned int *data)
{ … }

static int c6xdigio_pwm_insn_read(struct comedi_device *dev,
				  struct comedi_subdevice *s,
				  struct comedi_insn *insn,
				  unsigned int *data)
{ … }

static int c6xdigio_encoder_insn_read(struct comedi_device *dev,
				      struct comedi_subdevice *s,
				      struct comedi_insn *insn,
				      unsigned int *data)
{ … }

static void c6xdigio_init(struct comedi_device *dev)
{ … }

static const struct pnp_device_id c6xdigio_pnp_tbl[] = …;

static struct pnp_driver c6xdigio_pnp_driver = …;

static int c6xdigio_attach(struct comedi_device *dev,
			   struct comedi_devconfig *it)
{ … }

static void c6xdigio_detach(struct comedi_device *dev)
{ … }

static struct comedi_driver c6xdigio_driver = …;
module_comedi_driver(…);

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