ni_daq_dio24.c revision a100032b5b53817fb25d5f8c65de4064fb5b79ba
1/*
2    comedi/drivers/ni_daq_dio24.c
3    Driver for National Instruments PCMCIA DAQ-Card DIO-24
4    Copyright (C) 2002 Daniel Vecino Castel <dvecino@able.es>
5
6    PCMCIA crap at end of file is adapted from dummy_cs.c 1.31
7    2001/08/24 12:13:13 from the pcmcia package.
8    The initial developer of the pcmcia dummy_cs.c code is David A. Hinds
9    <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
10    are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
11
12    This program is free software; you can redistribute it and/or modify
13    it under the terms of the GNU General Public License as published by
14    the Free Software Foundation; either version 2 of the License, or
15    (at your option) any later version.
16
17    This program is distributed in the hope that it will be useful,
18    but WITHOUT ANY WARRANTY; without even the implied warranty of
19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20    GNU General Public License for more details.
21*/
22/*
23Driver: ni_daq_dio24
24Description: National Instruments PCMCIA DAQ-Card DIO-24
25Author: Daniel Vecino Castel <dvecino@able.es>
26Devices: [National Instruments] PCMCIA DAQ-Card DIO-24 (ni_daq_dio24)
27Status: ?
28Updated: Thu, 07 Nov 2002 21:53:06 -0800
29
30This is just a wrapper around the 8255.o driver to properly handle
31the PCMCIA interface.
32*/
33
34#include <linux/module.h>
35#include "../comedidev.h"
36
37#include <pcmcia/cistpl.h>
38#include <pcmcia/cisreg.h>
39#include <pcmcia/ds.h>
40
41#include "8255.h"
42
43static int dio24_auto_attach(struct comedi_device *dev,
44			     unsigned long context)
45{
46	struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
47	struct comedi_subdevice *s;
48	int ret;
49
50	link->config_flags |= CONF_AUTO_SET_IO;
51	ret = comedi_pcmcia_enable(dev, NULL);
52	if (ret)
53		return ret;
54	dev->iobase = link->resource[0]->start;
55
56	ret = comedi_alloc_subdevices(dev, 1);
57	if (ret)
58		return ret;
59
60	/* 8255 dio */
61	s = &dev->subdevices[0];
62	ret = subdev_8255_init(dev, s, NULL, dev->iobase);
63	if (ret)
64		return ret;
65
66	return 0;
67}
68
69static struct comedi_driver driver_dio24 = {
70	.driver_name	= "ni_daq_dio24",
71	.module		= THIS_MODULE,
72	.auto_attach	= dio24_auto_attach,
73	.detach		= comedi_pcmcia_disable,
74};
75
76static int dio24_cs_attach(struct pcmcia_device *link)
77{
78	return comedi_pcmcia_auto_config(link, &driver_dio24);
79}
80
81static const struct pcmcia_device_id dio24_cs_ids[] = {
82	PCMCIA_DEVICE_MANF_CARD(0x010b, 0x475c),	/* daqcard-dio24 */
83	PCMCIA_DEVICE_NULL
84};
85MODULE_DEVICE_TABLE(pcmcia, dio24_cs_ids);
86
87static struct pcmcia_driver dio24_cs_driver = {
88	.name		= "ni_daq_dio24",
89	.owner		= THIS_MODULE,
90	.id_table	= dio24_cs_ids,
91	.probe		= dio24_cs_attach,
92	.remove		= comedi_pcmcia_auto_unconfig,
93};
94module_comedi_pcmcia_driver(driver_dio24, dio24_cs_driver);
95
96MODULE_AUTHOR("Daniel Vecino Castel <dvecino@able.es>");
97MODULE_DESCRIPTION(
98	"Comedi driver for National Instruments PCMCIA DAQ-Card DIO-24");
99MODULE_LICENSE("GPL");
100