1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Comedi driver for National Instruments PCMCIA DAQ-Card DIO-24
4  * Copyright (C) 2002 Daniel Vecino Castel <[email protected]>
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  * <[email protected]>.  Portions created by David A. Hinds
10  * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
11  */
12 
13 /*
14  * Driver: ni_daq_dio24
15  * Description: National Instruments PCMCIA DAQ-Card DIO-24
16  * Author: Daniel Vecino Castel <[email protected]>
17  * Devices: [National Instruments] PCMCIA DAQ-Card DIO-24 (ni_daq_dio24)
18  * Status: ?
19  * Updated: Thu, 07 Nov 2002 21:53:06 -0800
20  *
21  * This is just a wrapper around the 8255.o driver to properly handle
22  * the PCMCIA interface.
23  */
24 
25 #include <linux/module.h>
26 #include <linux/comedi/comedi_pcmcia.h>
27 #include <linux/comedi/comedi_8255.h>
28 
dio24_auto_attach(struct comedi_device * dev,unsigned long context)29 static int dio24_auto_attach(struct comedi_device *dev,
30 			     unsigned long context)
31 {
32 	struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
33 	struct comedi_subdevice *s;
34 	int ret;
35 
36 	link->config_flags |= CONF_AUTO_SET_IO;
37 	ret = comedi_pcmcia_enable(dev, NULL);
38 	if (ret)
39 		return ret;
40 	dev->iobase = link->resource[0]->start;
41 
42 	ret = comedi_alloc_subdevices(dev, 1);
43 	if (ret)
44 		return ret;
45 
46 	/* 8255 dio */
47 	s = &dev->subdevices[0];
48 	return subdev_8255_io_init(dev, s, 0x00);
49 }
50 
51 static struct comedi_driver driver_dio24 = {
52 	.driver_name	= "ni_daq_dio24",
53 	.module		= THIS_MODULE,
54 	.auto_attach	= dio24_auto_attach,
55 	.detach		= comedi_pcmcia_disable,
56 };
57 
dio24_cs_attach(struct pcmcia_device * link)58 static int dio24_cs_attach(struct pcmcia_device *link)
59 {
60 	return comedi_pcmcia_auto_config(link, &driver_dio24);
61 }
62 
63 static const struct pcmcia_device_id dio24_cs_ids[] = {
64 	PCMCIA_DEVICE_MANF_CARD(0x010b, 0x475c),	/* daqcard-dio24 */
65 	PCMCIA_DEVICE_NULL
66 };
67 MODULE_DEVICE_TABLE(pcmcia, dio24_cs_ids);
68 
69 static struct pcmcia_driver dio24_cs_driver = {
70 	.name		= "ni_daq_dio24",
71 	.owner		= THIS_MODULE,
72 	.id_table	= dio24_cs_ids,
73 	.probe		= dio24_cs_attach,
74 	.remove		= comedi_pcmcia_auto_unconfig,
75 };
76 module_comedi_pcmcia_driver(driver_dio24, dio24_cs_driver);
77 
78 MODULE_AUTHOR("Daniel Vecino Castel <[email protected]>");
79 MODULE_DESCRIPTION(
80 	"Comedi driver for National Instruments PCMCIA DAQ-Card DIO-24");
81 MODULE_LICENSE("GPL");
82