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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 | |
1da177e4 LT |
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 | ||
1da177e4 LT |
34 | #include <pcmcia/cistpl.h> |
35 | #include <pcmcia/cisreg.h> | |
36 | #include <pcmcia/ds.h> | |
37 | ||
05c9a4cf | 38 | #include <linux/io.h> |
1da177e4 | 39 | |
d3808760 AB |
40 | #include "airo.h" |
41 | ||
1da177e4 LT |
42 | |
43 | /*====================================================================*/ | |
44 | ||
45 | MODULE_AUTHOR("Benjamin Reed"); | |
05c9a4cf JD |
46 | MODULE_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."); | |
1da177e4 LT |
49 | MODULE_LICENSE("Dual BSD/GPL"); |
50 | MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340 PCMCIA cards"); | |
51 | ||
52 | /*====================================================================*/ | |
53 | ||
15b99ac1 | 54 | static int airo_config(struct pcmcia_device *link); |
fba395ee | 55 | static void airo_release(struct pcmcia_device *link); |
1da177e4 | 56 | |
cc3b4866 | 57 | static void airo_detach(struct pcmcia_device *p_dev); |
1da177e4 | 58 | |
1da177e4 | 59 | typedef struct local_info_t { |
1da177e4 LT |
60 | struct net_device *eth_dev; |
61 | } local_info_t; | |
62 | ||
15b99ac1 | 63 | static int airo_probe(struct pcmcia_device *p_dev) |
1da177e4 | 64 | { |
1da177e4 | 65 | local_info_t *local; |
f8cfa618 | 66 | |
2caff147 | 67 | dev_dbg(&p_dev->dev, "airo_attach()\n"); |
1da177e4 | 68 | |
1da177e4 | 69 | /* Allocate space for private device-specific data */ |
b69a3aa8 | 70 | local = kzalloc(sizeof(local_info_t), GFP_KERNEL); |
0d2e7a5c | 71 | if (!local) |
f8cfa618 | 72 | return -ENOMEM; |
0d2e7a5c | 73 | |
fd238232 | 74 | p_dev->priv = local; |
f8cfa618 | 75 | |
15b99ac1 | 76 | return airo_config(p_dev); |
1da177e4 LT |
77 | } /* airo_attach */ |
78 | ||
fba395ee | 79 | static void airo_detach(struct pcmcia_device *link) |
1da177e4 | 80 | { |
2caff147 | 81 | dev_dbg(&link->dev, "airo_detach\n"); |
b4635811 | 82 | |
e2d40963 | 83 | airo_release(link); |
b4635811 | 84 | |
05c9a4cf JD |
85 | if (((local_info_t *)link->priv)->eth_dev) { |
86 | stop_airo_card(((local_info_t *)link->priv)->eth_dev, 0); | |
1da177e4 | 87 | } |
05c9a4cf | 88 | ((local_info_t *)link->priv)->eth_dev = NULL; |
cc3b4866 | 89 | |
b4558ea9 | 90 | kfree(link->priv); |
1da177e4 LT |
91 | } /* airo_detach */ |
92 | ||
00990e7c | 93 | static int airo_cs_config_check(struct pcmcia_device *p_dev, void *priv_data) |
b54bf94b | 94 | { |
00990e7c DB |
95 | if (p_dev->config_index == 0) |
96 | return -EINVAL; | |
b54bf94b | 97 | |
00990e7c | 98 | return pcmcia_request_io(p_dev); |
b54bf94b DB |
99 | } |
100 | ||
101 | ||
15b99ac1 | 102 | static int airo_config(struct pcmcia_device *link) |
1da177e4 | 103 | { |
1da177e4 | 104 | local_info_t *dev; |
2caff147 | 105 | int ret; |
fba395ee | 106 | |
1da177e4 LT |
107 | dev = link->priv; |
108 | ||
2caff147 | 109 | dev_dbg(&link->dev, "airo_config\n"); |
e2d40963 | 110 | |
440eed43 | 111 | link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP | |
00990e7c | 112 | CONF_AUTO_AUDIO | CONF_AUTO_SET_IO; |
440eed43 | 113 | |
0f52e86d | 114 | ret = pcmcia_loop_config(link, airo_cs_config_check, NULL); |
2caff147 | 115 | if (ret) |
b54bf94b DB |
116 | goto failed; |
117 | ||
eb14120f DB |
118 | if (!link->irq) |
119 | goto failed; | |
05c9a4cf | 120 | |
1ac71e5a | 121 | ret = pcmcia_enable_device(link); |
2caff147 DB |
122 | if (ret) |
123 | goto failed; | |
05c9a4cf | 124 | ((local_info_t *)link->priv)->eth_dev = |
eb14120f | 125 | init_airo_card(link->irq, |
9a017a91 | 126 | link->resource[0]->start, 1, &link->dev); |
05c9a4cf | 127 | if (!((local_info_t *)link->priv)->eth_dev) |
2caff147 | 128 | goto failed; |
05c9a4cf | 129 | |
15b99ac1 DB |
130 | return 0; |
131 | ||
b54bf94b | 132 | failed: |
1da177e4 | 133 | airo_release(link); |
15b99ac1 | 134 | return -ENODEV; |
1da177e4 LT |
135 | } /* airo_config */ |
136 | ||
fba395ee | 137 | static void airo_release(struct pcmcia_device *link) |
1da177e4 | 138 | { |
2caff147 | 139 | dev_dbg(&link->dev, "airo_release\n"); |
fba395ee | 140 | pcmcia_disable_device(link); |
1da177e4 LT |
141 | } |
142 | ||
fba395ee | 143 | static int airo_suspend(struct pcmcia_device *link) |
98e4c28b | 144 | { |
98e4c28b DB |
145 | local_info_t *local = link->priv; |
146 | ||
e2d40963 | 147 | netif_device_detach(local->eth_dev); |
98e4c28b DB |
148 | |
149 | return 0; | |
150 | } | |
151 | ||
fba395ee | 152 | static int airo_resume(struct pcmcia_device *link) |
98e4c28b | 153 | { |
98e4c28b DB |
154 | local_info_t *local = link->priv; |
155 | ||
e2d40963 | 156 | if (link->open) { |
98e4c28b DB |
157 | reset_airo_card(local->eth_dev); |
158 | netif_device_attach(local->eth_dev); | |
159 | } | |
160 | ||
161 | return 0; | |
162 | } | |
163 | ||
25f8f54f | 164 | static const struct pcmcia_device_id airo_ids[] = { |
7018d06d DB |
165 | PCMCIA_DEVICE_MANF_CARD(0x015f, 0x000a), |
166 | PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0005), | |
167 | PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0007), | |
168 | PCMCIA_DEVICE_MANF_CARD(0x0105, 0x0007), | |
169 | PCMCIA_DEVICE_NULL, | |
170 | }; | |
171 | MODULE_DEVICE_TABLE(pcmcia, airo_ids); | |
172 | ||
1da177e4 LT |
173 | static struct pcmcia_driver airo_driver = { |
174 | .owner = THIS_MODULE, | |
2e9b981a | 175 | .name = "airo_cs", |
15b99ac1 | 176 | .probe = airo_probe, |
cc3b4866 | 177 | .remove = airo_detach, |
7018d06d | 178 | .id_table = airo_ids, |
98e4c28b DB |
179 | .suspend = airo_suspend, |
180 | .resume = airo_resume, | |
1da177e4 | 181 | }; |
fdd3f29e | 182 | module_pcmcia_driver(airo_driver); |
1da177e4 LT |
183 | |
184 | /* | |
185 | This program is free software; you can redistribute it and/or | |
186 | modify it under the terms of the GNU General Public License | |
187 | as published by the Free Software Foundation; either version 2 | |
188 | of the License, or (at your option) any later version. | |
189 | ||
190 | This program is distributed in the hope that it will be useful, | |
191 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
192 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
193 | GNU General Public License for more details. | |
194 | ||
195 | In addition: | |
196 | ||
197 | Redistribution and use in source and binary forms, with or without | |
198 | modification, are permitted provided that the following conditions | |
199 | are met: | |
200 | ||
201 | 1. Redistributions of source code must retain the above copyright | |
202 | notice, this list of conditions and the following disclaimer. | |
203 | 2. Redistributions in binary form must reproduce the above copyright | |
204 | notice, this list of conditions and the following disclaimer in the | |
205 | documentation and/or other materials provided with the distribution. | |
206 | 3. The name of the author may not be used to endorse or promote | |
207 | products derived from this software without specific prior written | |
208 | permission. | |
209 | ||
210 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
211 | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
212 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
213 | ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, | |
214 | INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
215 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
216 | SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
217 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
218 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
219 | IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
05c9a4cf | 220 | POSSIBILITY OF SUCH DAMAGE. |
1da177e4 | 221 | */ |