ni_daq_dio24.c revision a3ac95195b020a0a8fa2a9b0649145324ba64c83
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 2001/08/24 12:13:13
7    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    You should have received a copy of the GNU General Public License
23    along with this program; if not, write to the Free Software
24    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25
26************************************************************************
27*/
28/*
29Driver: ni_daq_dio24
30Description: National Instruments PCMCIA DAQ-Card DIO-24
31Author: Daniel Vecino Castel <dvecino@able.es>
32Devices: [National Instruments] PCMCIA DAQ-Card DIO-24 (ni_daq_dio24)
33Status: ?
34Updated: Thu, 07 Nov 2002 21:53:06 -0800
35
36This is just a wrapper around the 8255.o driver to properly handle
37the PCMCIA interface.
38*/
39
40#include "../comedidev.h"
41
42#include <pcmcia/cistpl.h>
43#include <pcmcia/cisreg.h>
44#include <pcmcia/ds.h>
45
46#include "8255.h"
47
48static int dio24_auto_attach(struct comedi_device *dev,
49			     unsigned long context)
50{
51	struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
52	struct comedi_subdevice *s;
53	int ret;
54
55	dev->board_name = dev->driver->driver_name;
56
57	link->config_flags |= CONF_AUTO_SET_IO;
58	ret = comedi_pcmcia_enable(dev, NULL);
59		return ret;
60	dev->iobase = link->resource[0]->start;
61
62	ret = comedi_alloc_subdevices(dev, 1);
63	if (ret)
64		return ret;
65
66	/* 8255 dio */
67	s = &dev->subdevices[0];
68	ret = subdev_8255_init(dev, s, NULL, dev->iobase);
69	if (ret)
70		return ret;
71
72	return 0;
73}
74
75static void dio24_detach(struct comedi_device *dev)
76{
77	if (dev->subdevices)
78		subdev_8255_cleanup(dev, &dev->subdevices[0]);
79	comedi_pcmcia_disable(dev);
80}
81
82static struct comedi_driver driver_dio24 = {
83	.driver_name	= "ni_daq_dio24",
84	.module		= THIS_MODULE,
85	.auto_attach	= dio24_auto_attach,
86	.detach		= dio24_detach,
87};
88
89static int dio24_cs_attach(struct pcmcia_device *link)
90{
91	return comedi_pcmcia_auto_config(link, &driver_dio24);
92}
93
94static const struct pcmcia_device_id dio24_cs_ids[] = {
95	PCMCIA_DEVICE_MANF_CARD(0x010b, 0x475c),	/* daqcard-dio24 */
96	PCMCIA_DEVICE_NULL
97};
98MODULE_DEVICE_TABLE(pcmcia, dio24_cs_ids);
99
100static struct pcmcia_driver dio24_cs_driver = {
101	.name		= "ni_daq_dio24",
102	.owner		= THIS_MODULE,
103	.id_table	= dio24_cs_ids,
104	.probe		= dio24_cs_attach,
105	.remove		= comedi_pcmcia_auto_unconfig,
106};
107module_comedi_pcmcia_driver(driver_dio24, dio24_cs_driver);
108
109MODULE_AUTHOR("Daniel Vecino Castel <dvecino@able.es>");
110MODULE_DESCRIPTION(
111	"Comedi driver for National Instruments PCMCIA DAQ-Card DIO-24");
112MODULE_LICENSE("GPL");
113