2 comedi/drivers/das08_cs.c
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>
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 PCMCIA support code for this driver is adapted from the dummy_cs.c
24 driver of the Linux PCMCIA Card Services package.
26 The initial developer of the original code is David A. Hinds
27 <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
28 are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
30 *****************************************************************
35 Description: DAS-08 PCMCIA boards
36 Author: Warren Jasper, ds, Frank Hess
37 Devices: [ComputerBoards] PCM-DAS08 (pcm-das08)
40 This is the PCMCIA-specific support split off from the
43 Options (for pcm-das08):
46 Command support does not exist, but could be added for this board.
49 #include "../comedidev.h"
51 #include <linux/delay.h>
52 #include <linux/pci.h>
53 #include <linux/slab.h>
58 #include <pcmcia/cistpl.h>
59 #include <pcmcia/ds.h>
61 static const struct das08_board_struct das08_cs_boards[] = {
67 .ai_pg = das08_bipolar5,
68 .ai_encoding = das08_pcm_encode12,
73 /* duplicate so driver name can be used also */
79 .ai_pg = das08_bipolar5,
80 .ai_encoding = das08_pcm_encode12,
87 static struct pcmcia_device *cur_dev;
89 static int das08_cs_attach(struct comedi_device *dev,
90 struct comedi_devconfig *it)
92 const struct das08_board_struct *thisboard = comedi_board(dev);
93 struct das08_private_struct *devpriv;
95 struct pcmcia_device *link = cur_dev; /* XXX hack */
97 devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
100 dev->private = devpriv;
102 dev_info(dev->class_dev, "das08_cs: attach\n");
103 /* deal with a pci board */
105 if (thisboard->bustype == pcmcia) {
107 dev_err(dev->class_dev, "no pcmcia cards found\n");
110 iobase = link->resource[0]->start;
112 dev_err(dev->class_dev,
113 "bug! board does not have PCMCIA bustype\n");
117 return das08_common_attach(dev, iobase);
120 static struct comedi_driver driver_das08_cs = {
121 .driver_name = "das08_cs",
122 .module = THIS_MODULE,
123 .attach = das08_cs_attach,
124 .detach = das08_common_detach,
125 .board_name = &das08_cs_boards[0].name,
126 .num_names = ARRAY_SIZE(das08_cs_boards),
127 .offset = sizeof(struct das08_board_struct),
130 static int das08_pcmcia_config_loop(struct pcmcia_device *p_dev,
133 if (p_dev->config_index == 0)
136 return pcmcia_request_io(p_dev);
139 static int das08_pcmcia_attach(struct pcmcia_device *link)
143 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
145 ret = pcmcia_loop_config(link, das08_pcmcia_config_loop, NULL);
152 ret = pcmcia_enable_device(link);
160 pcmcia_disable_device(link);
164 static void das08_pcmcia_detach(struct pcmcia_device *link)
166 pcmcia_disable_device(link);
170 static const struct pcmcia_device_id das08_cs_id_table[] = {
171 PCMCIA_DEVICE_MANF_CARD(0x01c5, 0x4001),
174 MODULE_DEVICE_TABLE(pcmcia, das08_cs_id_table);
176 static struct pcmcia_driver das08_cs_driver = {
178 .owner = THIS_MODULE,
179 .probe = das08_pcmcia_attach,
180 .remove = das08_pcmcia_detach,
181 .id_table = das08_cs_id_table,
184 static int __init das08_cs_init_module(void)
188 ret = comedi_driver_register(&driver_das08_cs);
192 ret = pcmcia_register_driver(&das08_cs_driver);
194 comedi_driver_unregister(&driver_das08_cs);
201 module_init(das08_cs_init_module);
203 static void __exit das08_cs_exit_module(void)
205 pcmcia_unregister_driver(&das08_cs_driver);
206 comedi_driver_unregister(&driver_das08_cs);
208 module_exit(das08_cs_exit_module);
210 MODULE_AUTHOR("David A. Schleef <ds@schleef.org>, "
211 "Frank Mori Hess <fmhess@users.sourceforge.net>");
212 MODULE_DESCRIPTION("Comedi driver for ComputerBoards DAS-08 PCMCIA boards");
213 MODULE_LICENSE("GPL");