pcmcia: move config_{base,index,regs} to struct pcmcia_device
[linux-2.6-block.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 116 p_dev->conf.Attributes = 0;
f8cfa618 117
1da177e4 118 /* Allocate space for private device-specific data */
b69a3aa8 119 local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
1da177e4
LT
120 if (!local) {
121 printk(KERN_ERR "atmel_cs: no memory for new device\n");
f8cfa618 122 return -ENOMEM;
1da177e4 123 }
fd238232 124 p_dev->priv = local;
f8cfa618 125
15b99ac1 126 return atmel_config(p_dev);
1da177e4
LT
127} /* atmel_attach */
128
129/*======================================================================
5c877fe5 130
1da177e4
LT
131 This deletes a driver "instance". The device is de-registered
132 with Card Services. If it has been released, all local data
133 structures are freed. Otherwise, the structures will be freed
134 when the device is released.
5c877fe5 135
1da177e4
LT
136 ======================================================================*/
137
fba395ee 138static void atmel_detach(struct pcmcia_device *link)
1da177e4 139{
2caff147 140 dev_dbg(&link->dev, "atmel_detach\n");
1da177e4 141
e2d40963 142 atmel_release(link);
b4635811 143
b4558ea9 144 kfree(link->priv);
1da177e4
LT
145}
146
147/*======================================================================
5c877fe5 148
1da177e4
LT
149 atmel_config() is scheduled to run after a CARD_INSERTION event
150 is received, to configure the PCMCIA socket, and to make the
151 device available to the system.
5c877fe5 152
1da177e4
LT
153 ======================================================================*/
154
1da177e4
LT
155/* Call-back function to interrogate PCMCIA-specific information
156 about the current existance of the card */
157static int card_present(void *arg)
9940ec36 158{
fba395ee 159 struct pcmcia_device *link = (struct pcmcia_device *)arg;
9940ec36
DB
160
161 if (pcmcia_dev_present(link))
1da177e4 162 return 1;
9940ec36 163
1da177e4
LT
164 return 0;
165}
166
b54bf94b
DB
167static int atmel_config_check(struct pcmcia_device *p_dev,
168 cistpl_cftable_entry_t *cfg,
8e2fc39d 169 cistpl_cftable_entry_t *dflt,
ad913c11 170 unsigned int vcc,
b54bf94b
DB
171 void *priv_data)
172{
b54bf94b
DB
173 if (cfg->index == 0)
174 return -ENODEV;
8e2fc39d 175
b54bf94b 176 /* Does this card need audio output? */
fc301101 177 if (cfg->flags & CISTPL_CFTABLE_AUDIO)
b54bf94b 178 p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
b54bf94b
DB
179
180 /* Use power settings for Vcc and Vpp if present */
181 /* Note that the CIS values need to be rescaled */
182 if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
e8405f0f 183 p_dev->vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
b54bf94b 184 else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
e8405f0f 185 p_dev->vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
b54bf94b 186
eb14120f 187 p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
b54bf94b
DB
188
189 /* IO window settings */
90abdc3b 190 p_dev->resource[0]->end = p_dev->resource[1]->end = 0;
b54bf94b
DB
191 if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
192 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
90abdc3b
DB
193 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
194 p_dev->resource[0]->flags |=
195 pcmcia_io_cfg_data_width(io->flags);
196 p_dev->resource[0]->start = io->win[0].base;
197 p_dev->resource[0]->end = io->win[0].len;
b54bf94b 198 if (io->nwin > 1) {
90abdc3b
DB
199 p_dev->resource[1]->flags = p_dev->resource[0]->flags;
200 p_dev->resource[1]->start = io->win[1].base;
201 p_dev->resource[1]->end = io->win[1].len;
b54bf94b
DB
202 }
203 }
204
205 /* This reserves IO space but doesn't actually enable it */
90abdc3b 206 return pcmcia_request_io(p_dev);
b54bf94b
DB
207}
208
15b99ac1 209static int atmel_config(struct pcmcia_device *link)
1da177e4 210{
1da177e4 211 local_info_t *dev;
2caff147 212 int ret;
b16a228d 213 struct pcmcia_device_id *did;
214
1da177e4 215 dev = link->priv;
dd2e5a15 216 did = dev_get_drvdata(&link->dev);
1da177e4 217
2caff147 218 dev_dbg(&link->dev, "atmel_config\n");
5c877fe5 219
1da177e4
LT
220 /*
221 In this loop, we scan the CIS for configuration table entries,
222 each of which describes a valid card configuration, including
223 voltage, IO window, memory window, and interrupt settings.
5c877fe5 224
1da177e4
LT
225 We make no assumptions about the card to be configured: we use
226 just the information available in the CIS. In an ideal world,
227 this would work for any PCMCIA card, but it requires a complete
228 and accurate CIS. In practice, a driver usually "knows" most of
229 these things without consulting the CIS, and most client drivers
230 will only use the CIS to fill in implementation-defined details.
231 */
8e2fc39d 232 if (pcmcia_loop_config(link, atmel_config_check, NULL))
b54bf94b 233 goto failed;
5c877fe5 234
eb14120f
DB
235 if (!link->irq) {
236 dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config.");
237 goto failed;
2caff147 238 }
5c877fe5 239
1da177e4
LT
240 /*
241 This actually configures the PCMCIA socket -- setting up
242 the I/O windows and the interrupt mapping, and putting the
243 card and host interface into "Memory and IO" mode.
244 */
2caff147
DB
245 ret = pcmcia_request_configuration(link, &link->conf);
246 if (ret)
247 goto failed;
5c877fe5 248
5c877fe5 249 ((local_info_t*)link->priv)->eth_dev =
eb14120f 250 init_atmel_card(link->irq,
9a017a91 251 link->resource[0]->start,
b16a228d 252 did ? did->driver_info : ATMEL_FW_TYPE_NONE,
dd2e5a15 253 &link->dev,
5c877fe5 254 card_present,
1da177e4 255 link);
5c877fe5 256 if (!((local_info_t*)link->priv)->eth_dev)
2caff147 257 goto failed;
5c877fe5
DT
258
259
15b99ac1 260 return 0;
e2d40963 261
b54bf94b 262 failed:
1da177e4 263 atmel_release(link);
15b99ac1 264 return -ENODEV;
1da177e4
LT
265}
266
267/*======================================================================
5c877fe5 268
1da177e4
LT
269 After a card is removed, atmel_release() will unregister the
270 device, and release the PCMCIA configuration. If the device is
271 still open, this will be postponed until it is closed.
5c877fe5 272
1da177e4
LT
273 ======================================================================*/
274
fba395ee 275static void atmel_release(struct pcmcia_device *link)
1da177e4
LT
276{
277 struct net_device *dev = ((local_info_t*)link->priv)->eth_dev;
5f2a71fc 278
2caff147 279 dev_dbg(&link->dev, "atmel_release\n");
5f2a71fc
DB
280
281 if (dev)
b16a228d 282 stop_atmel_card(dev);
5f2a71fc
DB
283 ((local_info_t*)link->priv)->eth_dev = NULL;
284
fba395ee 285 pcmcia_disable_device(link);
1da177e4
LT
286}
287
fba395ee 288static int atmel_suspend(struct pcmcia_device *link)
98e4c28b 289{
98e4c28b
DB
290 local_info_t *local = link->priv;
291
e2d40963 292 netif_device_detach(local->eth_dev);
98e4c28b
DB
293
294 return 0;
295}
296
fba395ee 297static int atmel_resume(struct pcmcia_device *link)
98e4c28b 298{
98e4c28b
DB
299 local_info_t *local = link->priv;
300
e2d40963
DB
301 atmel_open(local->eth_dev);
302 netif_device_attach(local->eth_dev);
98e4c28b
DB
303
304 return 0;
305}
306
1da177e4 307/*====================================================================*/
b16a228d 308/* We use the driver_info field to store the correct firmware type for a card. */
309
310#define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \
311 .match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID| \
312 PCMCIA_DEV_ID_MATCH_CARD_ID, \
313 .manf_id = (manf), \
314 .card_id = (card), \
315 .driver_info = (kernel_ulong_t)(info), }
316
317#define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \
318 .match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1| \
319 PCMCIA_DEV_ID_MATCH_PROD_ID2, \
320 .prod_id = { (v1), (v2), NULL, NULL }, \
321 .prod_id_hash = { (vh1), (vh2), 0, 0 }, \
322 .driver_info = (kernel_ulong_t)(info), }
323
4a17a119 324static struct pcmcia_device_id atmel_ids[] = {
b16a228d 325 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM),
326 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM),
327 PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E),
328 PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502),
329 PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E),
330 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502),
331 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D),
332 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E),
333 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958),
334 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504),
335 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958),
336 PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502),
337 PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E),
338 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502),
339 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958),
340 PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502),
341 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D),
342 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502),
343 PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D),
344 PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D),
345 PCMCIA_DEVICE_PROD_ID12_INFO("LG", "LW2100N", 0xb474d43a, 0x6b1fec94, ATMEL_FW_TYPE_502E),
4a17a119
DB
346 PCMCIA_DEVICE_NULL
347};
b16a228d 348
4a17a119
DB
349MODULE_DEVICE_TABLE(pcmcia, atmel_ids);
350
1da177e4 351static struct pcmcia_driver atmel_driver = {
1e212f36
DB
352 .owner = THIS_MODULE,
353 .drv = {
354 .name = "atmel_cs",
1da177e4 355 },
15b99ac1 356 .probe = atmel_probe,
cc3b4866 357 .remove = atmel_detach,
4a17a119 358 .id_table = atmel_ids,
98e4c28b
DB
359 .suspend = atmel_suspend,
360 .resume = atmel_resume,
1da177e4
LT
361};
362
363static int atmel_cs_init(void)
364{
365 return pcmcia_register_driver(&atmel_driver);
366}
367
368static void atmel_cs_cleanup(void)
369{
370 pcmcia_unregister_driver(&atmel_driver);
1da177e4
LT
371}
372
373/*
374 This program is free software; you can redistribute it and/or
375 modify it under the terms of the GNU General Public License
376 as published by the Free Software Foundation; either version 2
377 of the License, or (at your option) any later version.
378
379 This program is distributed in the hope that it will be useful,
380 but WITHOUT ANY WARRANTY; without even the implied warranty of
381 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
382 GNU General Public License for more details.
383
384 In addition:
385
386 Redistribution and use in source and binary forms, with or without
387 modification, are permitted provided that the following conditions
388 are met:
389
390 1. Redistributions of source code must retain the above copyright
391 notice, this list of conditions and the following disclaimer.
392 2. Redistributions in binary form must reproduce the above copyright
393 notice, this list of conditions and the following disclaimer in the
394 documentation and/or other materials provided with the distribution.
395 3. The name of the author may not be used to endorse or promote
396 products derived from this software without specific prior written
397 permission.
398
399 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
400 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
401 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
402 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
403 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
404 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
405 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
406 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
407 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
408 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
5c877fe5 409 POSSIBILITY OF SUCH DAMAGE.
1da177e4
LT
410*/
411
412module_init(atmel_cs_init);
413module_exit(atmel_cs_cleanup);