xref: /linux/drivers/comedi/drivers/das08_cs.c (revision 0be3ff0c)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Comedi driver for DAS008 PCMCIA boards
4  *
5  * COMEDI - Linux Control and Measurement Device Interface
6  * Copyright (C) 2000 David A. Schleef <ds@schleef.org>
7  * Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net>
8  *
9  * PCMCIA support code for this driver is adapted from the dummy_cs.c
10  * driver of the Linux PCMCIA Card Services package.
11  *
12  * The initial developer of the original code is David A. Hinds
13  * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
14  * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
15  */
16 
17 /*
18  * Driver: das08_cs
19  * Description: DAS-08 PCMCIA boards
20  * Author: Warren Jasper, ds, Frank Hess
21  * Devices: [ComputerBoards] PCM-DAS08 (pcm-das08)
22  * Status: works
23  *
24  * This is the PCMCIA-specific support split off from the
25  * das08 driver.
26  *
27  * Configuration Options: none, uses PCMCIA auto config
28  *
29  * Command support does not exist, but could be added for this board.
30  */
31 
32 #include <linux/module.h>
33 #include <linux/comedi/comedi_pcmcia.h>
34 
35 #include "das08.h"
36 
37 static const struct das08_board_struct das08_cs_boards[] = {
38 	{
39 		.name		= "pcm-das08",
40 		.ai_nbits	= 12,
41 		.ai_pg		= das08_bipolar5,
42 		.ai_encoding	= das08_pcm_encode12,
43 		.di_nchan	= 3,
44 		.do_nchan	= 3,
45 		.iosize		= 16,
46 	},
47 };
48 
49 static int das08_cs_auto_attach(struct comedi_device *dev,
50 				unsigned long context)
51 {
52 	struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
53 	struct das08_private_struct *devpriv;
54 	unsigned long iobase;
55 	int ret;
56 
57 	/* The das08 driver needs the board_ptr */
58 	dev->board_ptr = &das08_cs_boards[0];
59 
60 	link->config_flags |= CONF_AUTO_SET_IO;
61 	ret = comedi_pcmcia_enable(dev, NULL);
62 	if (ret)
63 		return ret;
64 	iobase = link->resource[0]->start;
65 
66 	devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
67 	if (!devpriv)
68 		return -ENOMEM;
69 
70 	return das08_common_attach(dev, iobase);
71 }
72 
73 static struct comedi_driver driver_das08_cs = {
74 	.driver_name	= "das08_cs",
75 	.module		= THIS_MODULE,
76 	.auto_attach	= das08_cs_auto_attach,
77 	.detach		= comedi_pcmcia_disable,
78 };
79 
80 static int das08_pcmcia_attach(struct pcmcia_device *link)
81 {
82 	return comedi_pcmcia_auto_config(link, &driver_das08_cs);
83 }
84 
85 static const struct pcmcia_device_id das08_cs_id_table[] = {
86 	PCMCIA_DEVICE_MANF_CARD(0x01c5, 0x4001),
87 	PCMCIA_DEVICE_NULL
88 };
89 MODULE_DEVICE_TABLE(pcmcia, das08_cs_id_table);
90 
91 static struct pcmcia_driver das08_cs_driver = {
92 	.name		= "pcm-das08",
93 	.owner		= THIS_MODULE,
94 	.id_table	= das08_cs_id_table,
95 	.probe		= das08_pcmcia_attach,
96 	.remove		= comedi_pcmcia_auto_unconfig,
97 };
98 module_comedi_pcmcia_driver(driver_das08_cs, das08_cs_driver);
99 
100 MODULE_AUTHOR("David A. Schleef <ds@schleef.org>");
101 MODULE_AUTHOR("Frank Mori Hess <fmhess@users.sourceforge.net>");
102 MODULE_DESCRIPTION("Comedi driver for ComputerBoards DAS-08 PCMCIA boards");
103 MODULE_LICENSE("GPL");
104