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 <linux/delay.h>
50 #include <linux/slab.h>
52 #include "../comedidev.h"
57 #include <pcmcia/cistpl.h>
58 #include <pcmcia/ds.h>
60 static const struct das08_board_struct das08_cs_boards[] = {
66 .ai_pg = das08_bipolar5,
67 .ai_encoding = das08_pcm_encode12,
72 /* duplicate so driver name can be used also */
78 .ai_pg = das08_bipolar5,
79 .ai_encoding = das08_pcm_encode12,
86 static struct pcmcia_device *cur_dev;
88 static int das08_cs_attach(struct comedi_device *dev,
89 struct comedi_devconfig *it)
91 const struct das08_board_struct *thisboard = comedi_board(dev);
92 struct das08_private_struct *devpriv;
94 struct pcmcia_device *link = cur_dev; /* XXX hack */
96 devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
99 dev->private = devpriv;
101 dev_info(dev->class_dev, "das08_cs: attach\n");
102 /* deal with a pci board */
104 if (thisboard->bustype == pcmcia) {
106 dev_err(dev->class_dev, "no pcmcia cards found\n");
109 iobase = link->resource[0]->start;
111 dev_err(dev->class_dev,
112 "bug! board does not have PCMCIA bustype\n");
116 return das08_common_attach(dev, iobase);
119 static struct comedi_driver driver_das08_cs = {
120 .driver_name = "das08_cs",
121 .module = THIS_MODULE,
122 .attach = das08_cs_attach,
123 .detach = das08_common_detach,
124 .board_name = &das08_cs_boards[0].name,
125 .num_names = ARRAY_SIZE(das08_cs_boards),
126 .offset = sizeof(struct das08_board_struct),
129 static int das08_pcmcia_config_loop(struct pcmcia_device *p_dev,
132 if (p_dev->config_index == 0)
135 return pcmcia_request_io(p_dev);
138 static int das08_pcmcia_attach(struct pcmcia_device *link)
142 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
144 ret = pcmcia_loop_config(link, das08_pcmcia_config_loop, NULL);
151 ret = pcmcia_enable_device(link);
159 pcmcia_disable_device(link);
163 static void das08_pcmcia_detach(struct pcmcia_device *link)
165 pcmcia_disable_device(link);
169 static const struct pcmcia_device_id das08_cs_id_table[] = {
170 PCMCIA_DEVICE_MANF_CARD(0x01c5, 0x4001),
173 MODULE_DEVICE_TABLE(pcmcia, das08_cs_id_table);
175 static struct pcmcia_driver das08_cs_driver = {
177 .owner = THIS_MODULE,
178 .probe = das08_pcmcia_attach,
179 .remove = das08_pcmcia_detach,
180 .id_table = das08_cs_id_table,
183 module_comedi_pcmcia_driver(driver_das08_cs, das08_cs_driver);
185 MODULE_AUTHOR("David A. Schleef <ds@schleef.org>, "
186 "Frank Mori Hess <fmhess@users.sourceforge.net>");
187 MODULE_DESCRIPTION("Comedi driver for ComputerBoards DAS-08 PCMCIA boards");
188 MODULE_LICENSE("GPL");