Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[deliverable/linux.git] / drivers / net / wireless / atmel_cs.c
CommitLineData
1da177e4
LT
1/*** -*- linux-c -*- **********************************************************
2
3 Driver for Atmel at76c502 at76c504 and at76c506 wireless cards.
4
5 Copyright 2000-2001 ATMEL Corporation.
6 Copyright 2003 Simon Kelley.
7
5c877fe5
DT
8 This code was developed from version 2.1.1 of the Atmel drivers,
9 released by Atmel corp. under the GPL in December 2002. It also
10 includes code from the Linux aironet drivers (C) Benjamin Reed,
11 and the Linux PCMCIA package, (C) David Hinds.
1da177e4 12
5c877fe5 13 For all queries about this code, please contact the current author,
1da177e4
LT
14 Simon Kelley <simon@thekelleys.org.uk> and not Atmel Corporation.
15
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 2 of the License, or
19 (at your option) any later version.
20
21 This software is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
25
26 You should have received a copy of the GNU General Public License
27 along with Atmel wireless lan drivers; if not, write to the Free Software
28 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29
30******************************************************************************/
31
1da177e4
LT
32#ifdef __IN_PCMCIA_PACKAGE__
33#include <pcmcia/k_compat.h>
34#endif
35#include <linux/init.h>
36#include <linux/kernel.h>
37#include <linux/module.h>
38#include <linux/ptrace.h>
39#include <linux/slab.h>
40#include <linux/string.h>
41#include <linux/netdevice.h>
42#include <linux/moduleparam.h>
43#include <linux/device.h>
44
1da177e4
LT
45#include <pcmcia/cistpl.h>
46#include <pcmcia/cisreg.h>
47#include <pcmcia/ds.h>
48#include <pcmcia/ciscode.h>
49
50#include <asm/io.h>
51#include <asm/system.h>
52#include <linux/wireless.h>
53
54#include "atmel.h"
55
1da177e4
LT
56
57/*====================================================================*/
58
59MODULE_AUTHOR("Simon Kelley");
60MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards.");
61MODULE_LICENSE("GPL");
62MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards");
63
64/*====================================================================*/
65
15b99ac1 66static int atmel_config(struct pcmcia_device *link);
fba395ee 67static void atmel_release(struct pcmcia_device *link);
1da177e4 68
cc3b4866 69static void atmel_detach(struct pcmcia_device *p_dev);
1da177e4 70
1da177e4 71typedef struct local_info_t {
1da177e4
LT
72 struct net_device *eth_dev;
73} local_info_t;
74
15b99ac1 75static int atmel_probe(struct pcmcia_device *p_dev)
1da177e4 76{
1da177e4 77 local_info_t *local;
f8cfa618 78
2caff147 79 dev_dbg(&p_dev->dev, "atmel_attach()\n");
1da177e4 80
1da177e4 81 /* Allocate space for private device-specific data */
b69a3aa8 82 local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
1da177e4
LT
83 if (!local) {
84 printk(KERN_ERR "atmel_cs: no memory for new device\n");
f8cfa618 85 return -ENOMEM;
1da177e4 86 }
fd238232 87 p_dev->priv = local;
f8cfa618 88
15b99ac1 89 return atmel_config(p_dev);
1da177e4
LT
90} /* atmel_attach */
91
fba395ee 92static void atmel_detach(struct pcmcia_device *link)
1da177e4 93{
2caff147 94 dev_dbg(&link->dev, "atmel_detach\n");
1da177e4 95
e2d40963 96 atmel_release(link);
b4635811 97
b4558ea9 98 kfree(link->priv);
1da177e4
LT
99}
100
1da177e4
LT
101/* Call-back function to interrogate PCMCIA-specific information
102 about the current existance of the card */
103static int card_present(void *arg)
9940ec36 104{
fba395ee 105 struct pcmcia_device *link = (struct pcmcia_device *)arg;
9940ec36
DB
106
107 if (pcmcia_dev_present(link))
1da177e4 108 return 1;
9940ec36 109
1da177e4
LT
110 return 0;
111}
112
00990e7c 113static int atmel_config_check(struct pcmcia_device *p_dev, void *priv_data)
b54bf94b 114{
00990e7c
DB
115 if (p_dev->config_index == 0)
116 return -EINVAL;
b54bf94b 117
90abdc3b 118 return pcmcia_request_io(p_dev);
b54bf94b
DB
119}
120
15b99ac1 121static int atmel_config(struct pcmcia_device *link)
1da177e4 122{
1da177e4 123 local_info_t *dev;
2caff147 124 int ret;
b16a228d 125 struct pcmcia_device_id *did;
126
1da177e4 127 dev = link->priv;
dd2e5a15 128 did = dev_get_drvdata(&link->dev);
1da177e4 129
2caff147 130 dev_dbg(&link->dev, "atmel_config\n");
5c877fe5 131
440eed43 132 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP |
00990e7c 133 CONF_AUTO_AUDIO | CONF_AUTO_SET_IO;
440eed43 134
8e2fc39d 135 if (pcmcia_loop_config(link, atmel_config_check, NULL))
b54bf94b 136 goto failed;
5c877fe5 137
eb14120f
DB
138 if (!link->irq) {
139 dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config.");
140 goto failed;
2caff147 141 }
5c877fe5 142
1ac71e5a 143 ret = pcmcia_enable_device(link);
2caff147
DB
144 if (ret)
145 goto failed;
5c877fe5 146
5c877fe5 147 ((local_info_t*)link->priv)->eth_dev =
eb14120f 148 init_atmel_card(link->irq,
9a017a91 149 link->resource[0]->start,
b16a228d 150 did ? did->driver_info : ATMEL_FW_TYPE_NONE,
dd2e5a15 151 &link->dev,
5c877fe5 152 card_present,
1da177e4 153 link);
5c877fe5 154 if (!((local_info_t*)link->priv)->eth_dev)
2caff147 155 goto failed;
5c877fe5
DT
156
157
15b99ac1 158 return 0;
e2d40963 159
b54bf94b 160 failed:
1da177e4 161 atmel_release(link);
15b99ac1 162 return -ENODEV;
1da177e4
LT
163}
164
fba395ee 165static void atmel_release(struct pcmcia_device *link)
1da177e4
LT
166{
167 struct net_device *dev = ((local_info_t*)link->priv)->eth_dev;
5f2a71fc 168
2caff147 169 dev_dbg(&link->dev, "atmel_release\n");
5f2a71fc
DB
170
171 if (dev)
b16a228d 172 stop_atmel_card(dev);
5f2a71fc
DB
173 ((local_info_t*)link->priv)->eth_dev = NULL;
174
fba395ee 175 pcmcia_disable_device(link);
1da177e4
LT
176}
177
fba395ee 178static int atmel_suspend(struct pcmcia_device *link)
98e4c28b 179{
98e4c28b
DB
180 local_info_t *local = link->priv;
181
e2d40963 182 netif_device_detach(local->eth_dev);
98e4c28b
DB
183
184 return 0;
185}
186
fba395ee 187static int atmel_resume(struct pcmcia_device *link)
98e4c28b 188{
98e4c28b
DB
189 local_info_t *local = link->priv;
190
e2d40963
DB
191 atmel_open(local->eth_dev);
192 netif_device_attach(local->eth_dev);
98e4c28b
DB
193
194 return 0;
195}
196
1da177e4 197/*====================================================================*/
b16a228d 198/* We use the driver_info field to store the correct firmware type for a card. */
199
200#define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \
201 .match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID| \
202 PCMCIA_DEV_ID_MATCH_CARD_ID, \
203 .manf_id = (manf), \
204 .card_id = (card), \
205 .driver_info = (kernel_ulong_t)(info), }
206
207#define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \
208 .match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1| \
209 PCMCIA_DEV_ID_MATCH_PROD_ID2, \
210 .prod_id = { (v1), (v2), NULL, NULL }, \
211 .prod_id_hash = { (vh1), (vh2), 0, 0 }, \
212 .driver_info = (kernel_ulong_t)(info), }
213
4a17a119 214static struct pcmcia_device_id atmel_ids[] = {
b16a228d 215 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM),
216 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM),
217 PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E),
218 PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502),
219 PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E),
220 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502),
221 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D),
222 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E),
223 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958),
224 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504),
225 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958),
226 PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502),
227 PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E),
228 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502),
229 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958),
230 PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502),
231 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D),
232 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502),
233 PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D),
234 PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D),
235 PCMCIA_DEVICE_PROD_ID12_INFO("LG", "LW2100N", 0xb474d43a, 0x6b1fec94, ATMEL_FW_TYPE_502E),
4a17a119
DB
236 PCMCIA_DEVICE_NULL
237};
b16a228d 238
4a17a119
DB
239MODULE_DEVICE_TABLE(pcmcia, atmel_ids);
240
1da177e4 241static struct pcmcia_driver atmel_driver = {
1e212f36 242 .owner = THIS_MODULE,
2e9b981a 243 .name = "atmel_cs",
15b99ac1 244 .probe = atmel_probe,
cc3b4866 245 .remove = atmel_detach,
4a17a119 246 .id_table = atmel_ids,
98e4c28b
DB
247 .suspend = atmel_suspend,
248 .resume = atmel_resume,
1da177e4
LT
249};
250
06b3a1d1 251static int __init atmel_cs_init(void)
1da177e4
LT
252{
253 return pcmcia_register_driver(&atmel_driver);
254}
255
06b3a1d1 256static void __exit atmel_cs_cleanup(void)
1da177e4
LT
257{
258 pcmcia_unregister_driver(&atmel_driver);
1da177e4
LT
259}
260
261/*
262 This program is free software; you can redistribute it and/or
263 modify it under the terms of the GNU General Public License
264 as published by the Free Software Foundation; either version 2
265 of the License, or (at your option) any later version.
266
267 This program is distributed in the hope that it will be useful,
268 but WITHOUT ANY WARRANTY; without even the implied warranty of
269 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
270 GNU General Public License for more details.
271
272 In addition:
273
274 Redistribution and use in source and binary forms, with or without
275 modification, are permitted provided that the following conditions
276 are met:
277
278 1. Redistributions of source code must retain the above copyright
279 notice, this list of conditions and the following disclaimer.
280 2. Redistributions in binary form must reproduce the above copyright
281 notice, this list of conditions and the following disclaimer in the
282 documentation and/or other materials provided with the distribution.
283 3. The name of the author may not be used to endorse or promote
284 products derived from this software without specific prior written
285 permission.
286
287 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
288 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
289 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
290 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
291 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
292 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
293 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
294 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
295 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
296 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
5c877fe5 297 POSSIBILITY OF SUCH DAMAGE.
1da177e4
LT
298*/
299
300module_init(atmel_cs_init);
301module_exit(atmel_cs_cleanup);
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