pcmcia: move driver name to struct pcmcia_driver
[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
66/*
67 The event() function is this driver's Card Services event handler.
68 It will be called by Card Services when an appropriate card status
69 event is received. The config() and release() entry points are
70 used to configure or release a socket, in response to card
71 insertion and ejection events. They are invoked from the atmel_cs
5c877fe5 72 event handler.
1da177e4
LT
73*/
74
15b99ac1 75static int atmel_config(struct pcmcia_device *link);
fba395ee 76static void atmel_release(struct pcmcia_device *link);
1da177e4
LT
77
78/*
79 The attach() and detach() entry points are used to create and destroy
80 "instances" of the driver, where each instance represents everything
81 needed to manage one actual PCMCIA card.
82*/
83
cc3b4866 84static void atmel_detach(struct pcmcia_device *p_dev);
1da177e4 85
1da177e4 86typedef struct local_info_t {
1da177e4
LT
87 struct net_device *eth_dev;
88} local_info_t;
89
90/*======================================================================
5c877fe5 91
1da177e4
LT
92 atmel_attach() creates an "instance" of the driver, allocating
93 local data structures for one device. The device is registered
94 with Card Services.
5c877fe5 95
1da177e4
LT
96 The dev_link structure is initialized, but we don't actually
97 configure the card at this point -- we wait until we receive a
98 card insertion event.
5c877fe5 99
1da177e4
LT
100 ======================================================================*/
101
15b99ac1 102static int atmel_probe(struct pcmcia_device *p_dev)
1da177e4 103{
1da177e4 104 local_info_t *local;
f8cfa618 105
2caff147 106 dev_dbg(&p_dev->dev, "atmel_attach()\n");
1da177e4 107
1da177e4 108 /* Allocate space for private device-specific data */
b69a3aa8 109 local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
1da177e4
LT
110 if (!local) {
111 printk(KERN_ERR "atmel_cs: no memory for new device\n");
f8cfa618 112 return -ENOMEM;
1da177e4 113 }
fd238232 114 p_dev->priv = local;
f8cfa618 115
15b99ac1 116 return atmel_config(p_dev);
1da177e4
LT
117} /* atmel_attach */
118
119/*======================================================================
5c877fe5 120
1da177e4
LT
121 This deletes a driver "instance". The device is de-registered
122 with Card Services. If it has been released, all local data
123 structures are freed. Otherwise, the structures will be freed
124 when the device is released.
5c877fe5 125
1da177e4
LT
126 ======================================================================*/
127
fba395ee 128static void atmel_detach(struct pcmcia_device *link)
1da177e4 129{
2caff147 130 dev_dbg(&link->dev, "atmel_detach\n");
1da177e4 131
e2d40963 132 atmel_release(link);
b4635811 133
b4558ea9 134 kfree(link->priv);
1da177e4
LT
135}
136
137/*======================================================================
5c877fe5 138
1da177e4
LT
139 atmel_config() is scheduled to run after a CARD_INSERTION event
140 is received, to configure the PCMCIA socket, and to make the
141 device available to the system.
5c877fe5 142
1da177e4
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143 ======================================================================*/
144
1da177e4
LT
145/* Call-back function to interrogate PCMCIA-specific information
146 about the current existance of the card */
147static int card_present(void *arg)
9940ec36 148{
fba395ee 149 struct pcmcia_device *link = (struct pcmcia_device *)arg;
9940ec36
DB
150
151 if (pcmcia_dev_present(link))
1da177e4 152 return 1;
9940ec36 153
1da177e4
LT
154 return 0;
155}
156
00990e7c 157static int atmel_config_check(struct pcmcia_device *p_dev, void *priv_data)
b54bf94b 158{
00990e7c
DB
159 if (p_dev->config_index == 0)
160 return -EINVAL;
b54bf94b 161
90abdc3b 162 return pcmcia_request_io(p_dev);
b54bf94b
DB
163}
164
15b99ac1 165static int atmel_config(struct pcmcia_device *link)
1da177e4 166{
1da177e4 167 local_info_t *dev;
2caff147 168 int ret;
b16a228d 169 struct pcmcia_device_id *did;
170
1da177e4 171 dev = link->priv;
dd2e5a15 172 did = dev_get_drvdata(&link->dev);
1da177e4 173
2caff147 174 dev_dbg(&link->dev, "atmel_config\n");
5c877fe5 175
440eed43 176 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP |
00990e7c 177 CONF_AUTO_AUDIO | CONF_AUTO_SET_IO;
440eed43 178
1da177e4
LT
179 /*
180 In this loop, we scan the CIS for configuration table entries,
181 each of which describes a valid card configuration, including
182 voltage, IO window, memory window, and interrupt settings.
5c877fe5 183
1da177e4
LT
184 We make no assumptions about the card to be configured: we use
185 just the information available in the CIS. In an ideal world,
186 this would work for any PCMCIA card, but it requires a complete
187 and accurate CIS. In practice, a driver usually "knows" most of
188 these things without consulting the CIS, and most client drivers
189 will only use the CIS to fill in implementation-defined details.
190 */
8e2fc39d 191 if (pcmcia_loop_config(link, atmel_config_check, NULL))
b54bf94b 192 goto failed;
5c877fe5 193
eb14120f
DB
194 if (!link->irq) {
195 dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config.");
196 goto failed;
2caff147 197 }
5c877fe5 198
1da177e4
LT
199 /*
200 This actually configures the PCMCIA socket -- setting up
201 the I/O windows and the interrupt mapping, and putting the
202 card and host interface into "Memory and IO" mode.
203 */
1ac71e5a 204 ret = pcmcia_enable_device(link);
2caff147
DB
205 if (ret)
206 goto failed;
5c877fe5 207
5c877fe5 208 ((local_info_t*)link->priv)->eth_dev =
eb14120f 209 init_atmel_card(link->irq,
9a017a91 210 link->resource[0]->start,
b16a228d 211 did ? did->driver_info : ATMEL_FW_TYPE_NONE,
dd2e5a15 212 &link->dev,
5c877fe5 213 card_present,
1da177e4 214 link);
5c877fe5 215 if (!((local_info_t*)link->priv)->eth_dev)
2caff147 216 goto failed;
5c877fe5
DT
217
218
15b99ac1 219 return 0;
e2d40963 220
b54bf94b 221 failed:
1da177e4 222 atmel_release(link);
15b99ac1 223 return -ENODEV;
1da177e4
LT
224}
225
226/*======================================================================
5c877fe5 227
1da177e4
LT
228 After a card is removed, atmel_release() will unregister the
229 device, and release the PCMCIA configuration. If the device is
230 still open, this will be postponed until it is closed.
5c877fe5 231
1da177e4
LT
232 ======================================================================*/
233
fba395ee 234static void atmel_release(struct pcmcia_device *link)
1da177e4
LT
235{
236 struct net_device *dev = ((local_info_t*)link->priv)->eth_dev;
5f2a71fc 237
2caff147 238 dev_dbg(&link->dev, "atmel_release\n");
5f2a71fc
DB
239
240 if (dev)
b16a228d 241 stop_atmel_card(dev);
5f2a71fc
DB
242 ((local_info_t*)link->priv)->eth_dev = NULL;
243
fba395ee 244 pcmcia_disable_device(link);
1da177e4
LT
245}
246
fba395ee 247static int atmel_suspend(struct pcmcia_device *link)
98e4c28b 248{
98e4c28b
DB
249 local_info_t *local = link->priv;
250
e2d40963 251 netif_device_detach(local->eth_dev);
98e4c28b
DB
252
253 return 0;
254}
255
fba395ee 256static int atmel_resume(struct pcmcia_device *link)
98e4c28b 257{
98e4c28b
DB
258 local_info_t *local = link->priv;
259
e2d40963
DB
260 atmel_open(local->eth_dev);
261 netif_device_attach(local->eth_dev);
98e4c28b
DB
262
263 return 0;
264}
265
1da177e4 266/*====================================================================*/
b16a228d 267/* We use the driver_info field to store the correct firmware type for a card. */
268
269#define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \
270 .match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID| \
271 PCMCIA_DEV_ID_MATCH_CARD_ID, \
272 .manf_id = (manf), \
273 .card_id = (card), \
274 .driver_info = (kernel_ulong_t)(info), }
275
276#define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \
277 .match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1| \
278 PCMCIA_DEV_ID_MATCH_PROD_ID2, \
279 .prod_id = { (v1), (v2), NULL, NULL }, \
280 .prod_id_hash = { (vh1), (vh2), 0, 0 }, \
281 .driver_info = (kernel_ulong_t)(info), }
282
4a17a119 283static struct pcmcia_device_id atmel_ids[] = {
b16a228d 284 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM),
285 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM),
286 PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E),
287 PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502),
288 PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E),
289 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502),
290 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D),
291 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E),
292 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958),
293 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504),
294 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958),
295 PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502),
296 PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E),
297 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502),
298 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958),
299 PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502),
300 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D),
301 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502),
302 PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D),
303 PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D),
304 PCMCIA_DEVICE_PROD_ID12_INFO("LG", "LW2100N", 0xb474d43a, 0x6b1fec94, ATMEL_FW_TYPE_502E),
4a17a119
DB
305 PCMCIA_DEVICE_NULL
306};
b16a228d 307
4a17a119
DB
308MODULE_DEVICE_TABLE(pcmcia, atmel_ids);
309
1da177e4 310static struct pcmcia_driver atmel_driver = {
1e212f36 311 .owner = THIS_MODULE,
2e9b981a 312 .name = "atmel_cs",
15b99ac1 313 .probe = atmel_probe,
cc3b4866 314 .remove = atmel_detach,
4a17a119 315 .id_table = atmel_ids,
98e4c28b
DB
316 .suspend = atmel_suspend,
317 .resume = atmel_resume,
1da177e4
LT
318};
319
320static int atmel_cs_init(void)
321{
322 return pcmcia_register_driver(&atmel_driver);
323}
324
325static void atmel_cs_cleanup(void)
326{
327 pcmcia_unregister_driver(&atmel_driver);
1da177e4
LT
328}
329
330/*
331 This program is free software; you can redistribute it and/or
332 modify it under the terms of the GNU General Public License
333 as published by the Free Software Foundation; either version 2
334 of the License, or (at your option) any later version.
335
336 This program is distributed in the hope that it will be useful,
337 but WITHOUT ANY WARRANTY; without even the implied warranty of
338 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
339 GNU General Public License for more details.
340
341 In addition:
342
343 Redistribution and use in source and binary forms, with or without
344 modification, are permitted provided that the following conditions
345 are met:
346
347 1. Redistributions of source code must retain the above copyright
348 notice, this list of conditions and the following disclaimer.
349 2. Redistributions in binary form must reproduce the above copyright
350 notice, this list of conditions and the following disclaimer in the
351 documentation and/or other materials provided with the distribution.
352 3. The name of the author may not be used to endorse or promote
353 products derived from this software without specific prior written
354 permission.
355
356 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
357 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
358 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
359 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
360 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
361 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
362 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
363 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
364 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
365 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
5c877fe5 366 POSSIBILITY OF SUCH DAMAGE.
1da177e4
LT
367*/
368
369module_init(atmel_cs_init);
370module_exit(atmel_cs_cleanup);
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