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1/*======================================================================
2
3 Aironet driver for 4500 and 4800 series cards
4
5 This code is released under both the GPL version 2 and BSD licenses.
6 Either license may be used. The respective licenses are found at
7 the end of this file.
8
9 This code was developed by Benjamin Reed <breed@users.sourceforge.net>
10 including portions of which come from the Aironet PC4500
11 Developer's Reference Manual and used with permission. Copyright
12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
13 code in the Developer's manual was granted for this driver by
14 Aironet.
15
16 In addition this module was derived from dummy_cs.
17 The initial developer of dummy_cs is David A. Hinds
18 <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
19 are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
20
21======================================================================*/
22
23#ifdef __IN_PCMCIA_PACKAGE__
24#include <pcmcia/k_compat.h>
25#endif
26#include <linux/kernel.h>
27#include <linux/module.h>
28#include <linux/ptrace.h>
29#include <linux/slab.h>
30#include <linux/string.h>
31#include <linux/timer.h>
32#include <linux/netdevice.h>
33
34#include <pcmcia/cistpl.h>
35#include <pcmcia/cisreg.h>
36#include <pcmcia/ds.h>
37
38#include <linux/io.h>
39
40#include "airo.h"
41
42
43/*====================================================================*/
44
45MODULE_AUTHOR("Benjamin Reed");
46MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet "
47 "cards. This is the module that links the PCMCIA card "
48 "with the airo module.");
49MODULE_LICENSE("Dual BSD/GPL");
50
51/*====================================================================*/
52
53static int airo_config(struct pcmcia_device *link);
54static void airo_release(struct pcmcia_device *link);
55
56static void airo_detach(struct pcmcia_device *p_dev);
57
58struct local_info {
59 struct net_device *eth_dev;
60};
61
62static int airo_probe(struct pcmcia_device *p_dev)
63{
64 struct local_info *local;
65
66 dev_dbg(&p_dev->dev, "airo_attach()\n");
67
68 /* Allocate space for private device-specific data */
69 local = kzalloc(sizeof(*local), GFP_KERNEL);
70 if (!local)
71 return -ENOMEM;
72
73 p_dev->priv = local;
74
75 return airo_config(p_dev);
76} /* airo_attach */
77
78static void airo_detach(struct pcmcia_device *link)
79{
80 dev_dbg(&link->dev, "airo_detach\n");
81
82 airo_release(link);
83
84 if (((struct local_info *)link->priv)->eth_dev) {
85 stop_airo_card(((struct local_info *)link->priv)->eth_dev,
86 0);
87 }
88 ((struct local_info *)link->priv)->eth_dev = NULL;
89
90 kfree(link->priv);
91} /* airo_detach */
92
93static int airo_cs_config_check(struct pcmcia_device *p_dev, void *priv_data)
94{
95 if (p_dev->config_index == 0)
96 return -EINVAL;
97
98 return pcmcia_request_io(p_dev);
99}
100
101
102static int airo_config(struct pcmcia_device *link)
103{
104 int ret;
105
106 dev_dbg(&link->dev, "airo_config\n");
107
108 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP |
109 CONF_AUTO_AUDIO | CONF_AUTO_SET_IO;
110
111 ret = pcmcia_loop_config(link, airo_cs_config_check, NULL);
112 if (ret)
113 goto failed;
114
115 if (!link->irq)
116 goto failed;
117
118 ret = pcmcia_enable_device(link);
119 if (ret)
120 goto failed;
121 ((struct local_info *)link->priv)->eth_dev =
122 init_airo_card(link->irq,
123 link->resource[0]->start, 1, &link->dev);
124 if (!((struct local_info *)link->priv)->eth_dev)
125 goto failed;
126
127 return 0;
128
129 failed:
130 airo_release(link);
131 return -ENODEV;
132} /* airo_config */
133
134static void airo_release(struct pcmcia_device *link)
135{
136 dev_dbg(&link->dev, "airo_release\n");
137 pcmcia_disable_device(link);
138}
139
140static int airo_suspend(struct pcmcia_device *link)
141{
142 struct local_info *local = link->priv;
143
144 netif_device_detach(local->eth_dev);
145
146 return 0;
147}
148
149static int airo_resume(struct pcmcia_device *link)
150{
151 struct local_info *local = link->priv;
152
153 if (link->open) {
154 reset_airo_card(local->eth_dev);
155 netif_device_attach(local->eth_dev);
156 }
157
158 return 0;
159}
160
161static const struct pcmcia_device_id airo_ids[] = {
162 PCMCIA_DEVICE_MANF_CARD(0x015f, 0x000a),
163 PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0005),
164 PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0007),
165 PCMCIA_DEVICE_MANF_CARD(0x0105, 0x0007),
166 PCMCIA_DEVICE_NULL,
167};
168MODULE_DEVICE_TABLE(pcmcia, airo_ids);
169
170static struct pcmcia_driver airo_driver = {
171 .owner = THIS_MODULE,
172 .name = "airo_cs",
173 .probe = airo_probe,
174 .remove = airo_detach,
175 .id_table = airo_ids,
176 .suspend = airo_suspend,
177 .resume = airo_resume,
178};
179module_pcmcia_driver(airo_driver);
180
181/*
182 This program is free software; you can redistribute it and/or
183 modify it under the terms of the GNU General Public License
184 as published by the Free Software Foundation; either version 2
185 of the License, or (at your option) any later version.
186
187 This program is distributed in the hope that it will be useful,
188 but WITHOUT ANY WARRANTY; without even the implied warranty of
189 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
190 GNU General Public License for more details.
191
192 In addition:
193
194 Redistribution and use in source and binary forms, with or without
195 modification, are permitted provided that the following conditions
196 are met:
197
198 1. Redistributions of source code must retain the above copyright
199 notice, this list of conditions and the following disclaimer.
200 2. Redistributions in binary form must reproduce the above copyright
201 notice, this list of conditions and the following disclaimer in the
202 documentation and/or other materials provided with the distribution.
203 3. The name of the author may not be used to endorse or promote
204 products derived from this software without specific prior written
205 permission.
206
207 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
208 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
209 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
210 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
211 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
212 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
213 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
214 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
215 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
216 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
217 POSSIBILITY OF SUCH DAMAGE.
218*/