Commit | Line | Data |
---|---|---|
1da177e4 LT |
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 | |
05c9a4cf JD |
19 | are Copyright (C) 1999 David A. Hinds. All Rights Reserved. |
20 | ||
1da177e4 LT |
21 | ======================================================================*/ |
22 | ||
1da177e4 LT |
23 | #ifdef __IN_PCMCIA_PACKAGE__ |
24 | #include <pcmcia/k_compat.h> | |
25 | #endif | |
26 | #include <linux/init.h> | |
27 | #include <linux/kernel.h> | |
28 | #include <linux/module.h> | |
29 | #include <linux/ptrace.h> | |
30 | #include <linux/slab.h> | |
31 | #include <linux/string.h> | |
32 | #include <linux/timer.h> | |
33 | #include <linux/netdevice.h> | |
34 | ||
1da177e4 LT |
35 | #include <pcmcia/cistpl.h> |
36 | #include <pcmcia/cisreg.h> | |
37 | #include <pcmcia/ds.h> | |
38 | ||
05c9a4cf | 39 | #include <linux/io.h> |
1da177e4 | 40 | |
d3808760 AB |
41 | #include "airo.h" |
42 | ||
1da177e4 LT |
43 | |
44 | /*====================================================================*/ | |
45 | ||
46 | MODULE_AUTHOR("Benjamin Reed"); | |
05c9a4cf JD |
47 | MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet " |
48 | "cards. This is the module that links the PCMCIA card " | |
49 | "with the airo module."); | |
1da177e4 LT |
50 | MODULE_LICENSE("Dual BSD/GPL"); |
51 | MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340 PCMCIA cards"); | |
52 | ||
53 | /*====================================================================*/ | |
54 | ||
15b99ac1 | 55 | static int airo_config(struct pcmcia_device *link); |
fba395ee | 56 | static void airo_release(struct pcmcia_device *link); |
1da177e4 | 57 | |
cc3b4866 | 58 | static void airo_detach(struct pcmcia_device *p_dev); |
1da177e4 | 59 | |
1da177e4 | 60 | typedef struct local_info_t { |
1da177e4 LT |
61 | struct net_device *eth_dev; |
62 | } local_info_t; | |
63 | ||
15b99ac1 | 64 | static int airo_probe(struct pcmcia_device *p_dev) |
1da177e4 | 65 | { |
1da177e4 | 66 | local_info_t *local; |
f8cfa618 | 67 | |
2caff147 | 68 | dev_dbg(&p_dev->dev, "airo_attach()\n"); |
1da177e4 | 69 | |
1da177e4 | 70 | /* Allocate space for private device-specific data */ |
b69a3aa8 | 71 | local = kzalloc(sizeof(local_info_t), GFP_KERNEL); |
1da177e4 LT |
72 | if (!local) { |
73 | printk(KERN_ERR "airo_cs: no memory for new device\n"); | |
f8cfa618 | 74 | return -ENOMEM; |
1da177e4 | 75 | } |
fd238232 | 76 | p_dev->priv = local; |
f8cfa618 | 77 | |
15b99ac1 | 78 | return airo_config(p_dev); |
1da177e4 LT |
79 | } /* airo_attach */ |
80 | ||
fba395ee | 81 | static void airo_detach(struct pcmcia_device *link) |
1da177e4 | 82 | { |
2caff147 | 83 | dev_dbg(&link->dev, "airo_detach\n"); |
b4635811 | 84 | |
e2d40963 | 85 | airo_release(link); |
b4635811 | 86 | |
05c9a4cf JD |
87 | if (((local_info_t *)link->priv)->eth_dev) { |
88 | stop_airo_card(((local_info_t *)link->priv)->eth_dev, 0); | |
1da177e4 | 89 | } |
05c9a4cf | 90 | ((local_info_t *)link->priv)->eth_dev = NULL; |
cc3b4866 | 91 | |
b4558ea9 | 92 | kfree(link->priv); |
1da177e4 LT |
93 | } /* airo_detach */ |
94 | ||
00990e7c | 95 | static int airo_cs_config_check(struct pcmcia_device *p_dev, void *priv_data) |
b54bf94b | 96 | { |
00990e7c DB |
97 | if (p_dev->config_index == 0) |
98 | return -EINVAL; | |
b54bf94b | 99 | |
00990e7c | 100 | return pcmcia_request_io(p_dev); |
b54bf94b DB |
101 | } |
102 | ||
103 | ||
15b99ac1 | 104 | static int airo_config(struct pcmcia_device *link) |
1da177e4 | 105 | { |
1da177e4 | 106 | local_info_t *dev; |
2caff147 | 107 | int ret; |
fba395ee | 108 | |
1da177e4 LT |
109 | dev = link->priv; |
110 | ||
2caff147 | 111 | dev_dbg(&link->dev, "airo_config\n"); |
e2d40963 | 112 | |
440eed43 | 113 | link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP | |
00990e7c | 114 | CONF_AUTO_AUDIO | CONF_AUTO_SET_IO; |
440eed43 | 115 | |
0f52e86d | 116 | ret = pcmcia_loop_config(link, airo_cs_config_check, NULL); |
2caff147 | 117 | if (ret) |
b54bf94b DB |
118 | goto failed; |
119 | ||
eb14120f DB |
120 | if (!link->irq) |
121 | goto failed; | |
05c9a4cf | 122 | |
1ac71e5a | 123 | ret = pcmcia_enable_device(link); |
2caff147 DB |
124 | if (ret) |
125 | goto failed; | |
05c9a4cf | 126 | ((local_info_t *)link->priv)->eth_dev = |
eb14120f | 127 | init_airo_card(link->irq, |
9a017a91 | 128 | link->resource[0]->start, 1, &link->dev); |
05c9a4cf | 129 | if (!((local_info_t *)link->priv)->eth_dev) |
2caff147 | 130 | goto failed; |
05c9a4cf | 131 | |
15b99ac1 DB |
132 | return 0; |
133 | ||
b54bf94b | 134 | failed: |
1da177e4 | 135 | airo_release(link); |
15b99ac1 | 136 | return -ENODEV; |
1da177e4 LT |
137 | } /* airo_config */ |
138 | ||
fba395ee | 139 | static void airo_release(struct pcmcia_device *link) |
1da177e4 | 140 | { |
2caff147 | 141 | dev_dbg(&link->dev, "airo_release\n"); |
fba395ee | 142 | pcmcia_disable_device(link); |
1da177e4 LT |
143 | } |
144 | ||
fba395ee | 145 | static int airo_suspend(struct pcmcia_device *link) |
98e4c28b | 146 | { |
98e4c28b DB |
147 | local_info_t *local = link->priv; |
148 | ||
e2d40963 | 149 | netif_device_detach(local->eth_dev); |
98e4c28b DB |
150 | |
151 | return 0; | |
152 | } | |
153 | ||
fba395ee | 154 | static int airo_resume(struct pcmcia_device *link) |
98e4c28b | 155 | { |
98e4c28b DB |
156 | local_info_t *local = link->priv; |
157 | ||
e2d40963 | 158 | if (link->open) { |
98e4c28b DB |
159 | reset_airo_card(local->eth_dev); |
160 | netif_device_attach(local->eth_dev); | |
161 | } | |
162 | ||
163 | return 0; | |
164 | } | |
165 | ||
25f8f54f | 166 | static const struct pcmcia_device_id airo_ids[] = { |
7018d06d DB |
167 | PCMCIA_DEVICE_MANF_CARD(0x015f, 0x000a), |
168 | PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0005), | |
169 | PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0007), | |
170 | PCMCIA_DEVICE_MANF_CARD(0x0105, 0x0007), | |
171 | PCMCIA_DEVICE_NULL, | |
172 | }; | |
173 | MODULE_DEVICE_TABLE(pcmcia, airo_ids); | |
174 | ||
1da177e4 LT |
175 | static struct pcmcia_driver airo_driver = { |
176 | .owner = THIS_MODULE, | |
2e9b981a | 177 | .name = "airo_cs", |
15b99ac1 | 178 | .probe = airo_probe, |
cc3b4866 | 179 | .remove = airo_detach, |
7018d06d | 180 | .id_table = airo_ids, |
98e4c28b DB |
181 | .suspend = airo_suspend, |
182 | .resume = airo_resume, | |
1da177e4 LT |
183 | }; |
184 | ||
06b3a1d1 | 185 | static int __init airo_cs_init(void) |
1da177e4 LT |
186 | { |
187 | return pcmcia_register_driver(&airo_driver); | |
188 | } | |
189 | ||
06b3a1d1 | 190 | static void __exit airo_cs_cleanup(void) |
1da177e4 LT |
191 | { |
192 | pcmcia_unregister_driver(&airo_driver); | |
1da177e4 LT |
193 | } |
194 | ||
195 | /* | |
196 | This program is free software; you can redistribute it and/or | |
197 | modify it under the terms of the GNU General Public License | |
198 | as published by the Free Software Foundation; either version 2 | |
199 | of the License, or (at your option) any later version. | |
200 | ||
201 | This program is distributed in the hope that it will be useful, | |
202 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
203 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
204 | GNU General Public License for more details. | |
205 | ||
206 | In addition: | |
207 | ||
208 | Redistribution and use in source and binary forms, with or without | |
209 | modification, are permitted provided that the following conditions | |
210 | are met: | |
211 | ||
212 | 1. Redistributions of source code must retain the above copyright | |
213 | notice, this list of conditions and the following disclaimer. | |
214 | 2. Redistributions in binary form must reproduce the above copyright | |
215 | notice, this list of conditions and the following disclaimer in the | |
216 | documentation and/or other materials provided with the distribution. | |
217 | 3. The name of the author may not be used to endorse or promote | |
218 | products derived from this software without specific prior written | |
219 | permission. | |
220 | ||
221 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
222 | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
223 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
224 | ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, | |
225 | INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
226 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
227 | SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
228 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
229 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
230 | IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
05c9a4cf | 231 | POSSIBILITY OF SUCH DAMAGE. |
1da177e4 LT |
232 | */ |
233 | ||
234 | module_init(airo_cs_init); | |
235 | module_exit(airo_cs_cleanup); |