1
/*******************************************************************************
3
* Wireless device driver for Linux (wlags49).
5
* Copyright (c) 1998-2003 Agere Systems Inc.
9
* Initially developed by TriplePoint, Inc.
10
* http://www.triplepoint.com
12
*------------------------------------------------------------------------------
14
* This file contains processing and initialization specific to Card Services
15
* devices (PCMCIA, CF).
17
*------------------------------------------------------------------------------
21
* This software is provided subject to the following terms and conditions,
22
* which you should read carefully before using the software. Using this
23
* software indicates your acceptance of these terms and conditions. If you do
24
* not agree with these terms and conditions, do not use the software.
26
* Copyright (c) 2003 Agere Systems Inc.
27
* All rights reserved.
29
* Redistribution and use in source or binary forms, with or without
30
* modifications, are permitted provided that the following conditions are met:
32
* . Redistributions of source code must retain the above copyright notice, this
33
* list of conditions and the following Disclaimer as comments in the code as
34
* well as in the documentation and/or other materials provided with the
37
* . Redistributions in binary form must reproduce the above copyright notice,
38
* this list of conditions and the following Disclaimer in the documentation
39
* and/or other materials provided with the distribution.
41
* . Neither the name of Agere Systems Inc. nor the names of the contributors
42
* may be used to endorse or promote products derived from this software
43
* without specific prior written permission.
47
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
48
* INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
49
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY
50
* USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
51
* RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
52
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
53
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
54
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
55
* ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
56
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
57
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
60
******************************************************************************/
62
/*******************************************************************************
64
******************************************************************************/
65
#include <wl_version.h>
67
#include <linux/kernel.h>
68
#include <linux/sched.h>
69
#include <linux/ptrace.h>
70
#include <linux/ctype.h>
71
#include <linux/string.h>
72
#include <linux/timer.h>
73
#include <linux/interrupt.h>
75
#include <linux/delay.h>
77
#include <asm/system.h>
78
#include <asm/bitops.h>
80
#include <linux/netdevice.h>
81
#include <linux/etherdevice.h>
82
#include <linux/skbuff.h>
83
#include <linux/if_arp.h>
84
#include <linux/ioport.h>
86
#include <pcmcia/cistpl.h>
87
#include <pcmcia/cisreg.h>
88
#include <pcmcia/ciscode.h>
89
#include <pcmcia/ds.h>
97
#include <wl_internal.h>
100
#include <wl_netdev.h>
102
#include <wl_sysfs.h>
105
/*******************************************************************************
107
******************************************************************************/
109
extern dbg_info_t *DbgInfo;
113
/*******************************************************************************
114
* wl_adapter_attach()
115
*******************************************************************************
119
* Creates an instance of the driver, allocating local data structures for
120
* one device. The device is registered with Card Services.
128
* pointer to an allocated dev_link_t structure
131
******************************************************************************/
132
static int wl_adapter_attach(struct pcmcia_device *link)
134
struct net_device *dev;
135
struct wl_private *lp;
136
/*--------------------------------------------------------------------*/
138
DBG_FUNC("wl_adapter_attach");
141
dev = wl_device_alloc();
143
DBG_ERROR(DbgInfo, "wl_device_alloc returned NULL\n");
147
link->resource[0]->end = HCF_NUM_IO_PORTS;
148
link->resource[0]->flags= IO_DATA_PATH_WIDTH_16;
149
link->config_flags |= CONF_ENABLE_IRQ;
150
link->config_index = 5;
151
link->config_regs = PRESENT_OPTION;
157
wl_adapter_insert(link);
161
} /* wl_adapter_attach */
162
/*============================================================================*/
166
static void wl_adapter_detach(struct pcmcia_device *link)
168
struct net_device *dev = link->priv;
169
/*--------------------------------------------------------------------*/
171
DBG_FUNC("wl_adapter_detach");
173
DBG_PARAM(DbgInfo, "link", "0x%p", link);
175
wl_adapter_release(link);
178
unregister_wlags_sysfs(dev);
179
unregister_netdev(dev);
182
wl_device_dealloc(dev);
185
} /* wl_adapter_detach */
186
/*============================================================================*/
189
void wl_adapter_release(struct pcmcia_device *link)
191
DBG_FUNC("wl_adapter_release");
193
DBG_PARAM(DbgInfo, "link", "0x%p", link);
196
wl_remove(link->priv);
198
pcmcia_disable_device(link);
201
} /* wl_adapter_release */
202
/*============================================================================*/
204
static int wl_adapter_suspend(struct pcmcia_device *link)
206
struct net_device *dev = link->priv;
208
/* if (link->open) { */
209
netif_device_detach(dev);
211
/* CHECK! pcmcia_release_configuration(link->handle); */
215
} /* wl_adapter_suspend */
217
static int wl_adapter_resume(struct pcmcia_device *link)
219
struct net_device *dev = link->priv;
223
netif_device_attach(dev);
226
} /* wl_adapter_resume */
228
void wl_adapter_insert(struct pcmcia_device *link)
230
struct net_device *dev;
233
/*--------------------------------------------------------------------*/
235
DBG_FUNC("wl_adapter_insert");
237
DBG_PARAM(DbgInfo, "link", "0x%p", link);
241
/* Do we need to allocate an interrupt? */
242
link->config_flags |= CONF_ENABLE_IRQ;
245
ret = pcmcia_request_io(link);
249
ret = pcmcia_request_irq(link, (void *) wl_isr);
253
ret = pcmcia_enable_device(link);
257
dev->irq = link->irq;
258
dev->base_addr = link->resource[0]->start;
260
SET_NETDEV_DEV(dev, &link->dev);
261
if (register_netdev(dev) != 0) {
262
printk("%s: register_netdev() failed\n", MODULE_NAME);
266
register_wlags_sysfs(dev);
268
printk(KERN_INFO "%s: Wireless, io_addr %#03lx, irq %d, ""mac_address ",
269
dev->name, dev->base_addr, dev->irq);
270
for (i = 0; i < ETH_ALEN; i++)
271
printk("%02X%c", dev->dev_addr[i], ((i < (ETH_ALEN-1)) ? ':' : '\n'));
277
wl_adapter_release(link);
281
} /* wl_adapter_insert */
282
/*============================================================================*/
285
/*******************************************************************************
287
*******************************************************************************
295
* dev - a pointer to a net_device structure representing the network
301
* errno value otherwise
303
******************************************************************************/
304
int wl_adapter_open(struct net_device *dev)
306
struct wl_private *lp = wl_priv(dev);
307
struct pcmcia_device *link = lp->link;
309
int hcf_status = HCF_SUCCESS;
310
/*--------------------------------------------------------------------*/
312
DBG_FUNC("wl_adapter_open");
314
DBG_PRINT("%s\n", VERSION_INFO);
315
DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev);
317
if (!pcmcia_dev_present(link)) {
324
hcf_status = wl_open(dev);
326
if (hcf_status != HCF_SUCCESS) {
333
} /* wl_adapter_open */
334
/*============================================================================*/
337
/*******************************************************************************
339
*******************************************************************************
347
* dev - a pointer to a net_device structure representing the network
353
* errno value otherwise
355
******************************************************************************/
356
int wl_adapter_close(struct net_device *dev)
358
struct wl_private *lp = wl_priv(dev);
359
struct pcmcia_device *link = lp->link;
360
/*--------------------------------------------------------------------*/
362
DBG_FUNC("wl_adapter_close");
364
DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev);
371
DBG_TRACE(DbgInfo, "%s: Shutting down adapter.\n", dev->name);
378
} /* wl_adapter_close */
379
/*============================================================================*/
381
static struct pcmcia_device_id wl_adapter_ids[] = {
382
#if !((HCF_TYPE) & HCF_TYPE_HII5)
383
PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0003),
384
PCMCIA_DEVICE_PROD_ID12("Agere Systems", "Wireless PC Card Model 0110",
385
0x33103a9b, 0xe175b0dd),
387
PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0004),
388
PCMCIA_DEVICE_PROD_ID12("Linksys", "WCF54G_Wireless-G_CompactFlash_Card",
389
0x0733cc81, 0x98a599e1),
390
#endif /* (HCF_TYPE) & HCF_TYPE_HII5 */
393
MODULE_DEVICE_TABLE(pcmcia, wl_adapter_ids);
395
static struct pcmcia_driver wlags49_driver = {
396
.owner = THIS_MODULE,
398
.probe = wl_adapter_attach,
399
.remove = wl_adapter_detach,
400
.id_table = wl_adapter_ids,
401
.suspend = wl_adapter_suspend,
402
.resume = wl_adapter_resume,
407
/*******************************************************************************
408
* wl_adapter_init_module()
409
*******************************************************************************
413
* Called by init_module() to perform PCMCIA driver initialization.
424
******************************************************************************/
425
int wl_adapter_init_module(void)
428
/*--------------------------------------------------------------------*/
430
DBG_FUNC("wl_adapter_init_module");
432
DBG_TRACE(DbgInfo, "wl_adapter_init_module() -- PCMCIA\n");
434
ret = pcmcia_register_driver(&wlags49_driver);
438
} /* wl_adapter_init_module */
439
/*============================================================================*/
442
/*******************************************************************************
443
* wl_adapter_cleanup_module()
444
*******************************************************************************
448
* Called by cleanup_module() to perform driver uninitialization.
458
******************************************************************************/
459
void wl_adapter_cleanup_module(void)
461
DBG_FUNC("wl_adapter_cleanup_module");
463
DBG_TRACE(DbgInfo, "wl_adapter_cleanup_module() -- PCMCIA\n");
466
pcmcia_unregister_driver(&wlags49_driver);
470
} /* wl_adapter_cleanup_module */
471
/*============================================================================*/
474
/*******************************************************************************
475
* wl_adapter_is_open()
476
*******************************************************************************
480
* Check with Card Services to determine if this device is open.
484
* dev - a pointer to the net_device structure whose open status will be
489
* nonzero if device is open
492
******************************************************************************/
493
int wl_adapter_is_open(struct net_device *dev)
495
struct wl_private *lp = wl_priv(dev);
496
struct pcmcia_device *link = lp->link;
498
if (!pcmcia_dev_present(link))
502
} /* wl_adapter_is_open */
503
/*============================================================================*/
508
/*******************************************************************************
510
*******************************************************************************
514
* Converts the card serivces events to text for debugging.
518
* mask - a integer representing the error(s) being reported by Card
523
* a pointer to a string describing the error(s)
525
******************************************************************************/
526
const char *DbgEvent(int mask)
528
static char DbgBuffer[256];
530
/*--------------------------------------------------------------------*/
536
if (mask & CS_EVENT_WRITE_PROTECT)
537
strcat(pBuf, "WRITE_PROTECT ");
539
if (mask & CS_EVENT_CARD_LOCK)
540
strcat(pBuf, "CARD_LOCK ");
542
if (mask & CS_EVENT_CARD_INSERTION)
543
strcat(pBuf, "CARD_INSERTION ");
545
if (mask & CS_EVENT_CARD_REMOVAL)
546
strcat(pBuf, "CARD_REMOVAL ");
548
if (mask & CS_EVENT_BATTERY_DEAD)
549
strcat(pBuf, "BATTERY_DEAD ");
551
if (mask & CS_EVENT_BATTERY_LOW)
552
strcat(pBuf, "BATTERY_LOW ");
554
if (mask & CS_EVENT_READY_CHANGE)
555
strcat(pBuf, "READY_CHANGE ");
557
if (mask & CS_EVENT_CARD_DETECT)
558
strcat(pBuf, "CARD_DETECT ");
560
if (mask & CS_EVENT_RESET_REQUEST)
561
strcat(pBuf, "RESET_REQUEST ");
563
if (mask & CS_EVENT_RESET_PHYSICAL)
564
strcat(pBuf, "RESET_PHYSICAL ");
566
if (mask & CS_EVENT_CARD_RESET)
567
strcat(pBuf, "CARD_RESET ");
569
if (mask & CS_EVENT_REGISTRATION_COMPLETE)
570
strcat(pBuf, "REGISTRATION_COMPLETE ");
572
/* if (mask & CS_EVENT_RESET_COMPLETE)
573
strcat(pBuf, "RESET_COMPLETE "); */
575
if (mask & CS_EVENT_PM_SUSPEND)
576
strcat(pBuf, "PM_SUSPEND ");
578
if (mask & CS_EVENT_PM_RESUME)
579
strcat(pBuf, "PM_RESUME ");
581
if (mask & CS_EVENT_INSERTION_REQUEST)
582
strcat(pBuf, "INSERTION_REQUEST ");
584
if (mask & CS_EVENT_EJECTION_REQUEST)
585
strcat(pBuf, "EJECTION_REQUEST ");
587
if (mask & CS_EVENT_MTD_REQUEST)
588
strcat(pBuf, "MTD_REQUEST ");
590
if (mask & CS_EVENT_ERASE_COMPLETE)
591
strcat(pBuf, "ERASE_COMPLETE ");
593
if (mask & CS_EVENT_REQUEST_ATTENTION)
594
strcat(pBuf, "REQUEST_ATTENTION ");
596
if (mask & CS_EVENT_CB_DETECT)
597
strcat(pBuf, "CB_DETECT ");
599
if (mask & CS_EVENT_3VCARD)
600
strcat(pBuf, "3VCARD ");
602
if (mask & CS_EVENT_XVCARD)
603
strcat(pBuf, "XVCARD ");
607
pBuf[strlen(pBuf) - 1] = '\0';
610
sprintf(pBuf, "<<0x%08x>>", mask);
615
/*============================================================================*/