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