pcmcia: do not use io_req_t when calling pcmcia_request_io()
[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/cs.h>
46#include <pcmcia/cistpl.h>
47#include <pcmcia/cisreg.h>
48#include <pcmcia/ds.h>
49#include <pcmcia/ciscode.h>
50
51#include <asm/io.h>
52#include <asm/system.h>
53#include <linux/wireless.h>
54
55#include "atmel.h"
56
1da177e4
LT
57
58/*====================================================================*/
59
60MODULE_AUTHOR("Simon Kelley");
61MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards.");
62MODULE_LICENSE("GPL");
63MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards");
64
65/*====================================================================*/
66
67/*
68 The event() function is this driver's Card Services event handler.
69 It will be called by Card Services when an appropriate card status
70 event is received. The config() and release() entry points are
71 used to configure or release a socket, in response to card
72 insertion and ejection events. They are invoked from the atmel_cs
5c877fe5 73 event handler.
1da177e4
LT
74*/
75
15b99ac1 76static int atmel_config(struct pcmcia_device *link);
fba395ee 77static void atmel_release(struct pcmcia_device *link);
1da177e4
LT
78
79/*
80 The attach() and detach() entry points are used to create and destroy
81 "instances" of the driver, where each instance represents everything
82 needed to manage one actual PCMCIA card.
83*/
84
cc3b4866 85static void atmel_detach(struct pcmcia_device *p_dev);
1da177e4 86
1da177e4 87typedef struct local_info_t {
1da177e4
LT
88 struct net_device *eth_dev;
89} local_info_t;
90
91/*======================================================================
5c877fe5 92
1da177e4
LT
93 atmel_attach() creates an "instance" of the driver, allocating
94 local data structures for one device. The device is registered
95 with Card Services.
5c877fe5 96
1da177e4
LT
97 The dev_link structure is initialized, but we don't actually
98 configure the card at this point -- we wait until we receive a
99 card insertion event.
5c877fe5 100
1da177e4
LT
101 ======================================================================*/
102
15b99ac1 103static int atmel_probe(struct pcmcia_device *p_dev)
1da177e4 104{
1da177e4 105 local_info_t *local;
f8cfa618 106
2caff147 107 dev_dbg(&p_dev->dev, "atmel_attach()\n");
1da177e4 108
1da177e4
LT
109 /*
110 General socket configuration defaults can go here. In this
111 client, we assume very little, and rely on the CIS for almost
112 everything. In most clients, many details (i.e., number, sizes,
113 and attributes of IO windows) are fixed by the nature of the
114 device, and can be hard-wired here.
115 */
fd238232
DB
116 p_dev->conf.Attributes = 0;
117 p_dev->conf.IntType = INT_MEMORY_AND_IO;
f8cfa618 118
1da177e4 119 /* Allocate space for private device-specific data */
b69a3aa8 120 local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
1da177e4
LT
121 if (!local) {
122 printk(KERN_ERR "atmel_cs: no memory for new device\n");
f8cfa618 123 return -ENOMEM;
1da177e4 124 }
fd238232 125 p_dev->priv = local;
f8cfa618 126
15b99ac1 127 return atmel_config(p_dev);
1da177e4
LT
128} /* atmel_attach */
129
130/*======================================================================
5c877fe5 131
1da177e4
LT
132 This deletes a driver "instance". The device is de-registered
133 with Card Services. If it has been released, all local data
134 structures are freed. Otherwise, the structures will be freed
135 when the device is released.
5c877fe5 136
1da177e4
LT
137 ======================================================================*/
138
fba395ee 139static void atmel_detach(struct pcmcia_device *link)
1da177e4 140{
2caff147 141 dev_dbg(&link->dev, "atmel_detach\n");
1da177e4 142
e2d40963 143 atmel_release(link);
b4635811 144
b4558ea9 145 kfree(link->priv);
1da177e4
LT
146}
147
148/*======================================================================
5c877fe5 149
1da177e4
LT
150 atmel_config() is scheduled to run after a CARD_INSERTION event
151 is received, to configure the PCMCIA socket, and to make the
152 device available to the system.
5c877fe5 153
1da177e4
LT
154 ======================================================================*/
155
1da177e4
LT
156/* Call-back function to interrogate PCMCIA-specific information
157 about the current existance of the card */
158static int card_present(void *arg)
9940ec36 159{
fba395ee 160 struct pcmcia_device *link = (struct pcmcia_device *)arg;
9940ec36
DB
161
162 if (pcmcia_dev_present(link))
1da177e4 163 return 1;
9940ec36 164
1da177e4
LT
165 return 0;
166}
167
b54bf94b
DB
168static int atmel_config_check(struct pcmcia_device *p_dev,
169 cistpl_cftable_entry_t *cfg,
8e2fc39d 170 cistpl_cftable_entry_t *dflt,
ad913c11 171 unsigned int vcc,
b54bf94b
DB
172 void *priv_data)
173{
b54bf94b
DB
174 if (cfg->index == 0)
175 return -ENODEV;
8e2fc39d 176
b54bf94b
DB
177 /* Does this card need audio output? */
178 if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
179 p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
180 p_dev->conf.Status = CCSR_AUDIO_ENA;
181 }
182
183 /* Use power settings for Vcc and Vpp if present */
184 /* Note that the CIS values need to be rescaled */
185 if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
186 p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
187 else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
188 p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
189
eb14120f 190 p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
b54bf94b
DB
191
192 /* IO window settings */
90abdc3b 193 p_dev->resource[0]->end = p_dev->resource[1]->end = 0;
b54bf94b
DB
194 if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
195 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
90abdc3b
DB
196 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
197 p_dev->resource[0]->flags |=
198 pcmcia_io_cfg_data_width(io->flags);
199 p_dev->resource[0]->start = io->win[0].base;
200 p_dev->resource[0]->end = io->win[0].len;
b54bf94b 201 if (io->nwin > 1) {
90abdc3b
DB
202 p_dev->resource[1]->flags = p_dev->resource[0]->flags;
203 p_dev->resource[1]->start = io->win[1].base;
204 p_dev->resource[1]->end = io->win[1].len;
b54bf94b
DB
205 }
206 }
207
208 /* This reserves IO space but doesn't actually enable it */
90abdc3b 209 return pcmcia_request_io(p_dev);
b54bf94b
DB
210}
211
15b99ac1 212static int atmel_config(struct pcmcia_device *link)
1da177e4 213{
1da177e4 214 local_info_t *dev;
2caff147 215 int ret;
b16a228d 216 struct pcmcia_device_id *did;
217
1da177e4 218 dev = link->priv;
dd2e5a15 219 did = dev_get_drvdata(&link->dev);
1da177e4 220
2caff147 221 dev_dbg(&link->dev, "atmel_config\n");
5c877fe5 222
1da177e4
LT
223 /*
224 In this loop, we scan the CIS for configuration table entries,
225 each of which describes a valid card configuration, including
226 voltage, IO window, memory window, and interrupt settings.
5c877fe5 227
1da177e4
LT
228 We make no assumptions about the card to be configured: we use
229 just the information available in the CIS. In an ideal world,
230 this would work for any PCMCIA card, but it requires a complete
231 and accurate CIS. In practice, a driver usually "knows" most of
232 these things without consulting the CIS, and most client drivers
233 will only use the CIS to fill in implementation-defined details.
234 */
8e2fc39d 235 if (pcmcia_loop_config(link, atmel_config_check, NULL))
b54bf94b 236 goto failed;
5c877fe5 237
eb14120f
DB
238 if (!link->irq) {
239 dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config.");
240 goto failed;
2caff147 241 }
5c877fe5 242
1da177e4
LT
243 /*
244 This actually configures the PCMCIA socket -- setting up
245 the I/O windows and the interrupt mapping, and putting the
246 card and host interface into "Memory and IO" mode.
247 */
2caff147
DB
248 ret = pcmcia_request_configuration(link, &link->conf);
249 if (ret)
250 goto failed;
5c877fe5 251
5c877fe5 252 ((local_info_t*)link->priv)->eth_dev =
eb14120f 253 init_atmel_card(link->irq,
9a017a91 254 link->resource[0]->start,
b16a228d 255 did ? did->driver_info : ATMEL_FW_TYPE_NONE,
dd2e5a15 256 &link->dev,
5c877fe5 257 card_present,
1da177e4 258 link);
5c877fe5 259 if (!((local_info_t*)link->priv)->eth_dev)
2caff147 260 goto failed;
5c877fe5
DT
261
262
15b99ac1 263 return 0;
e2d40963 264
b54bf94b 265 failed:
1da177e4 266 atmel_release(link);
15b99ac1 267 return -ENODEV;
1da177e4
LT
268}
269
270/*======================================================================
5c877fe5 271
1da177e4
LT
272 After a card is removed, atmel_release() will unregister the
273 device, and release the PCMCIA configuration. If the device is
274 still open, this will be postponed until it is closed.
5c877fe5 275
1da177e4
LT
276 ======================================================================*/
277
fba395ee 278static void atmel_release(struct pcmcia_device *link)
1da177e4
LT
279{
280 struct net_device *dev = ((local_info_t*)link->priv)->eth_dev;
5f2a71fc 281
2caff147 282 dev_dbg(&link->dev, "atmel_release\n");
5f2a71fc
DB
283
284 if (dev)
b16a228d 285 stop_atmel_card(dev);
5f2a71fc
DB
286 ((local_info_t*)link->priv)->eth_dev = NULL;
287
fba395ee 288 pcmcia_disable_device(link);
1da177e4
LT
289}
290
fba395ee 291static int atmel_suspend(struct pcmcia_device *link)
98e4c28b 292{
98e4c28b
DB
293 local_info_t *local = link->priv;
294
e2d40963 295 netif_device_detach(local->eth_dev);
98e4c28b
DB
296
297 return 0;
298}
299
fba395ee 300static int atmel_resume(struct pcmcia_device *link)
98e4c28b 301{
98e4c28b
DB
302 local_info_t *local = link->priv;
303
e2d40963
DB
304 atmel_open(local->eth_dev);
305 netif_device_attach(local->eth_dev);
98e4c28b
DB
306
307 return 0;
308}
309
1da177e4 310/*====================================================================*/
b16a228d 311/* We use the driver_info field to store the correct firmware type for a card. */
312
313#define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \
314 .match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID| \
315 PCMCIA_DEV_ID_MATCH_CARD_ID, \
316 .manf_id = (manf), \
317 .card_id = (card), \
318 .driver_info = (kernel_ulong_t)(info), }
319
320#define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \
321 .match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1| \
322 PCMCIA_DEV_ID_MATCH_PROD_ID2, \
323 .prod_id = { (v1), (v2), NULL, NULL }, \
324 .prod_id_hash = { (vh1), (vh2), 0, 0 }, \
325 .driver_info = (kernel_ulong_t)(info), }
326
4a17a119 327static struct pcmcia_device_id atmel_ids[] = {
b16a228d 328 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM),
329 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM),
330 PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E),
331 PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502),
332 PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E),
333 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502),
334 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D),
335 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E),
336 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958),
337 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504),
338 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958),
339 PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502),
340 PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E),
341 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502),
342 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958),
343 PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502),
344 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D),
345 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502),
346 PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D),
347 PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D),
348 PCMCIA_DEVICE_PROD_ID12_INFO("LG", "LW2100N", 0xb474d43a, 0x6b1fec94, ATMEL_FW_TYPE_502E),
4a17a119
DB
349 PCMCIA_DEVICE_NULL
350};
b16a228d 351
4a17a119
DB
352MODULE_DEVICE_TABLE(pcmcia, atmel_ids);
353
1da177e4 354static struct pcmcia_driver atmel_driver = {
1e212f36
DB
355 .owner = THIS_MODULE,
356 .drv = {
357 .name = "atmel_cs",
1da177e4 358 },
15b99ac1 359 .probe = atmel_probe,
cc3b4866 360 .remove = atmel_detach,
4a17a119 361 .id_table = atmel_ids,
98e4c28b
DB
362 .suspend = atmel_suspend,
363 .resume = atmel_resume,
1da177e4
LT
364};
365
366static int atmel_cs_init(void)
367{
368 return pcmcia_register_driver(&atmel_driver);
369}
370
371static void atmel_cs_cleanup(void)
372{
373 pcmcia_unregister_driver(&atmel_driver);
1da177e4
LT
374}
375
376/*
377 This program is free software; you can redistribute it and/or
378 modify it under the terms of the GNU General Public License
379 as published by the Free Software Foundation; either version 2
380 of the License, or (at your option) any later version.
381
382 This program is distributed in the hope that it will be useful,
383 but WITHOUT ANY WARRANTY; without even the implied warranty of
384 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
385 GNU General Public License for more details.
386
387 In addition:
388
389 Redistribution and use in source and binary forms, with or without
390 modification, are permitted provided that the following conditions
391 are met:
392
393 1. Redistributions of source code must retain the above copyright
394 notice, this list of conditions and the following disclaimer.
395 2. Redistributions in binary form must reproduce the above copyright
396 notice, this list of conditions and the following disclaimer in the
397 documentation and/or other materials provided with the distribution.
398 3. The name of the author may not be used to endorse or promote
399 products derived from this software without specific prior written
400 permission.
401
402 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
403 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
404 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
405 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
406 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
407 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
408 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
409 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
410 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
411 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
5c877fe5 412 POSSIBILITY OF SUCH DAMAGE.
1da177e4
LT
413*/
414
415module_init(atmel_cs_init);
416module_exit(atmel_cs_cleanup);
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