1/*======================================================================
2
3  A Sedlbauer PCMCIA client driver
4
5  This driver is for the Sedlbauer Speed Star and Speed Star II,
6  which are ISDN PCMCIA Cards.
7
8  The contents of this file are subject to the Mozilla Public
9  License Version 1.1 (the "License"); you may not use this file
10  except in compliance with the License. You may obtain a copy of
11  the License at http://www.mozilla.org/MPL/
12
13  Software distributed under the License is distributed on an "AS
14  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
15  implied. See the License for the specific language governing
16  rights and limitations under the License.
17
18  The initial developer of the original code is David A. Hinds
19  <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
20  are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
21
22  Modifications from dummy_cs.c are Copyright (C) 1999-2001 Marcus Niemann
23  <maniemann@users.sourceforge.net>. All Rights Reserved.
24
25  Alternatively, the contents of this file may be used under the
26  terms of the GNU General Public License version 2 (the "GPL"), in
27  which case the provisions of the GPL are applicable instead of the
28  above.  If you wish to allow the use of your version of this file
29  only under the terms of the GPL and not to allow others to use
30  your version of this file under the MPL, indicate your decision
31  by deleting the provisions above and replace them with the notice
32  and other provisions required by the GPL.  If you do not delete
33  the provisions above, a recipient may use your version of this
34  file under either the MPL or the GPL.
35
36  ======================================================================*/
37
38#include <linux/kernel.h>
39#include <linux/module.h>
40#include <linux/init.h>
41#include <linux/ptrace.h>
42#include <linux/slab.h>
43#include <linux/string.h>
44#include <linux/timer.h>
45#include <linux/ioport.h>
46#include <asm/io.h>
47
48#include <pcmcia/cistpl.h>
49#include <pcmcia/cisreg.h>
50#include <pcmcia/ds.h>
51#include "hisax_cfg.h"
52
53MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for Sedlbauer cards");
54MODULE_AUTHOR("Marcus Niemann");
55MODULE_LICENSE("Dual MPL/GPL");
56
57
58/*====================================================================*/
59
60/* Parameters that can be set with 'insmod' */
61
62static int protocol = 2;        /* EURO-ISDN Default */
63module_param(protocol, int, 0);
64
65static int sedlbauer_config(struct pcmcia_device *link);
66static void sedlbauer_release(struct pcmcia_device *link);
67
68static void sedlbauer_detach(struct pcmcia_device *p_dev);
69
70typedef struct local_info_t {
71	struct pcmcia_device	*p_dev;
72	int			stop;
73	int			cardnr;
74} local_info_t;
75
76static int sedlbauer_probe(struct pcmcia_device *link)
77{
78	local_info_t *local;
79
80	dev_dbg(&link->dev, "sedlbauer_attach()\n");
81
82	/* Allocate space for private device-specific data */
83	local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
84	if (!local) return -ENOMEM;
85	local->cardnr = -1;
86
87	local->p_dev = link;
88	link->priv = local;
89
90	return sedlbauer_config(link);
91} /* sedlbauer_attach */
92
93static void sedlbauer_detach(struct pcmcia_device *link)
94{
95	dev_dbg(&link->dev, "sedlbauer_detach(0x%p)\n", link);
96
97	((local_info_t *)link->priv)->stop = 1;
98	sedlbauer_release(link);
99
100	/* This points to the parent local_info_t struct */
101	kfree(link->priv);
102} /* sedlbauer_detach */
103
104static int sedlbauer_config_check(struct pcmcia_device *p_dev, void *priv_data)
105{
106	if (p_dev->config_index == 0)
107		return -EINVAL;
108
109	p_dev->io_lines = 3;
110	return pcmcia_request_io(p_dev);
111}
112
113static int sedlbauer_config(struct pcmcia_device *link)
114{
115	int ret;
116	IsdnCard_t  icard;
117
118	dev_dbg(&link->dev, "sedlbauer_config(0x%p)\n", link);
119
120	link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_CHECK_VCC |
121		CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | CONF_AUTO_SET_IO;
122
123	ret = pcmcia_loop_config(link, sedlbauer_config_check, NULL);
124	if (ret)
125		goto failed;
126
127	ret = pcmcia_enable_device(link);
128	if (ret)
129		goto failed;
130
131	icard.para[0] = link->irq;
132	icard.para[1] = link->resource[0]->start;
133	icard.protocol = protocol;
134	icard.typ = ISDN_CTYPE_SEDLBAUER_PCMCIA;
135
136	ret = hisax_init_pcmcia(link,
137				&(((local_info_t *)link->priv)->stop), &icard);
138	if (ret < 0) {
139		printk(KERN_ERR "sedlbauer_cs: failed to initialize SEDLBAUER PCMCIA %d with %pR\n",
140		       ret, link->resource[0]);
141		sedlbauer_release(link);
142		return -ENODEV;
143	} else
144		((local_info_t *)link->priv)->cardnr = ret;
145
146	return 0;
147
148failed:
149	sedlbauer_release(link);
150	return -ENODEV;
151
152} /* sedlbauer_config */
153
154static void sedlbauer_release(struct pcmcia_device *link)
155{
156	local_info_t *local = link->priv;
157	dev_dbg(&link->dev, "sedlbauer_release(0x%p)\n", link);
158
159	if (local) {
160		if (local->cardnr >= 0) {
161			/* no unregister function with hisax */
162			HiSax_closecard(local->cardnr);
163		}
164	}
165
166	pcmcia_disable_device(link);
167} /* sedlbauer_release */
168
169static int sedlbauer_suspend(struct pcmcia_device *link)
170{
171	local_info_t *dev = link->priv;
172
173	dev->stop = 1;
174
175	return 0;
176}
177
178static int sedlbauer_resume(struct pcmcia_device *link)
179{
180	local_info_t *dev = link->priv;
181
182	dev->stop = 0;
183
184	return 0;
185}
186
187
188static const struct pcmcia_device_id sedlbauer_ids[] = {
189	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "speed star II", "V 3.1", 0x81fb79f5, 0xf3612e1d, 0x6b95c78a),
190	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D67", 0x81fb79f5, 0xe4e9bc12, 0x397b7e90),
191	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D98", 0x81fb79f5, 0xe4e9bc12, 0x2e5c7fce),
192	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (C) 93-94 VK", 0x81fb79f5, 0xe4e9bc12, 0x8db143fe),
193	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (c) 93-95 VK", 0x81fb79f5, 0xe4e9bc12, 0xb391ab4c),
194	PCMCIA_DEVICE_PROD_ID12("HST High Soft Tech GmbH", "Saphir II B", 0xd79e0b84, 0x21d083ae),
195/*	PCMCIA_DEVICE_PROD_ID1234("SEDLBAUER", 0x81fb79f5), */ /* too generic*/
196	PCMCIA_DEVICE_NULL
197};
198MODULE_DEVICE_TABLE(pcmcia, sedlbauer_ids);
199
200static struct pcmcia_driver sedlbauer_driver = {
201	.owner		= THIS_MODULE,
202	.name		= "sedlbauer_cs",
203	.probe		= sedlbauer_probe,
204	.remove		= sedlbauer_detach,
205	.id_table	= sedlbauer_ids,
206	.suspend	= sedlbauer_suspend,
207	.resume		= sedlbauer_resume,
208};
209module_pcmcia_driver(sedlbauer_driver);
210