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/cs_types.h>
87 #include <pcmcia/cs.h>
88 #include <pcmcia/cistpl.h>
89 #include <pcmcia/cisreg.h>
90 #include <pcmcia/ciscode.h>
91 #include <pcmcia/ds.h>
99 #include <wl_internal.h>
102 #include <wl_netdev.h>
104 #include <wl_sysfs.h>
107 /*******************************************************************************
109 ******************************************************************************/
111 extern dbg_info_t *DbgInfo;
115 /*******************************************************************************
116 * wl_adapter_attach()
117 *******************************************************************************
121 * Creates an instance of the driver, allocating local data structures for
122 * one device. The device is registered with Card Services.
130 * pointer to an allocated dev_link_t structure
133 ******************************************************************************/
134 static int wl_adapter_attach(struct pcmcia_device *link)
136 struct net_device *dev;
137 struct wl_private *lp;
138 /*--------------------------------------------------------------------*/
140 DBG_FUNC("wl_adapter_attach");
143 dev = wl_device_alloc();
145 DBG_ERROR(DbgInfo, "wl_device_alloc returned NULL\n");
149 link->io.NumPorts1 = HCF_NUM_IO_PORTS;
150 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
151 link->io.IOAddrLines = 6;
152 link->conf.Attributes = CONF_ENABLE_IRQ;
153 link->conf.IntType = INT_MEMORY_AND_IO;
154 link->conf.ConfigIndex = 5;
155 link->conf.Present = PRESENT_OPTION;
161 wl_adapter_insert(link);
165 } /* wl_adapter_attach */
166 /*============================================================================*/
170 /*******************************************************************************
171 * wl_adapter_detach()
172 *******************************************************************************
176 * This deletes a driver "instance". The device is de-registered with Card
177 * Services. If it has been released, then the net device is unregistered, and
178 * all local data structures are freed. Otherwise, the structures will be
179 * freed when the device is released.
183 * link - pointer to the dev_link_t structure representing the device to
190 ******************************************************************************/
191 static void wl_adapter_detach(struct pcmcia_device *link)
193 struct net_device *dev = link->priv;
194 /*--------------------------------------------------------------------*/
196 DBG_FUNC("wl_adapter_detach");
198 DBG_PARAM(DbgInfo, "link", "0x%p", link);
200 wl_adapter_release(link);
203 unregister_wlags_sysfs(dev);
204 unregister_netdev(dev);
207 wl_device_dealloc(dev);
210 } /* wl_adapter_detach */
211 /*============================================================================*/
214 /*******************************************************************************
215 * wl_adapter_release()
216 *******************************************************************************
220 * After a card is removed, this routine will release the PCMCIA
221 * configuration. If the device is still open, this will be postponed until it
226 * arg - a u_long representing a pointer to a dev_link_t structure for the
227 * device to be released.
233 ******************************************************************************/
234 void wl_adapter_release(struct pcmcia_device *link)
236 DBG_FUNC("wl_adapter_release");
238 DBG_PARAM(DbgInfo, "link", "0x%p", link);
241 wl_remove(link->priv);
243 pcmcia_disable_device(link);
246 } /* wl_adapter_release */
247 /*============================================================================*/
249 static int wl_adapter_suspend(struct pcmcia_device *link)
251 struct net_device *dev = link->priv;
253 /* if (link->open) { */
254 netif_device_detach(dev);
256 /* CHECK! pcmcia_release_configuration(link->handle); */
260 } /* wl_adapter_suspend */
262 static int wl_adapter_resume(struct pcmcia_device *link)
264 struct net_device *dev = link->priv;
268 netif_device_attach(dev);
271 } /* wl_adapter_resume */
273 /*******************************************************************************
274 * wl_adapter_insert()
275 *******************************************************************************
279 * wl_adapter_insert() is scheduled to run after a CARD_INSERTION event is
280 * received, to configure the PCMCIA socket, and to make the ethernet device
281 * available to the system.
285 * link - pointer to the dev_link_t structure representing the device to
292 ******************************************************************************/
293 void wl_adapter_insert(struct pcmcia_device *link)
295 struct net_device *dev;
298 /*--------------------------------------------------------------------*/
300 DBG_FUNC("wl_adapter_insert");
302 DBG_PARAM(DbgInfo, "link", "0x%p", link);
306 /* Do we need to allocate an interrupt? */
307 link->conf.Attributes |= CONF_ENABLE_IRQ;
309 ret = pcmcia_request_io(link, &link->io);
313 ret = pcmcia_request_irq(link, (void *) wl_isr);
317 ret = pcmcia_request_configuration(link, &link->conf);
321 dev->irq = link->irq;
322 dev->base_addr = link->io.BasePort1;
324 SET_NETDEV_DEV(dev, &link->dev);
325 if (register_netdev(dev) != 0) {
326 printk("%s: register_netdev() failed\n", MODULE_NAME);
330 register_wlags_sysfs(dev);
332 printk(KERN_INFO "%s: Wireless, io_addr %#03lx, irq %d, ""mac_address ",
333 dev->name, dev->base_addr, dev->irq);
334 for (i = 0; i < ETH_ALEN; i++)
335 printk("%02X%c", dev->dev_addr[i], ((i < (ETH_ALEN-1)) ? ':' : '\n'));
341 wl_adapter_release(link);
345 } /* wl_adapter_insert */
346 /*============================================================================*/
349 /*******************************************************************************
351 *******************************************************************************
359 * dev - a pointer to a net_device structure representing the network
365 * errno value otherwise
367 ******************************************************************************/
368 int wl_adapter_open(struct net_device *dev)
370 struct wl_private *lp = wl_priv(dev);
371 struct pcmcia_device *link = lp->link;
373 int hcf_status = HCF_SUCCESS;
374 /*--------------------------------------------------------------------*/
376 DBG_FUNC("wl_adapter_open");
378 DBG_PRINT("%s\n", VERSION_INFO);
379 DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev);
381 if (!pcmcia_dev_present(link)) {
388 hcf_status = wl_open(dev);
390 if (hcf_status != HCF_SUCCESS) {
397 } /* wl_adapter_open */
398 /*============================================================================*/
401 /*******************************************************************************
403 *******************************************************************************
411 * dev - a pointer to a net_device structure representing the network
417 * errno value otherwise
419 ******************************************************************************/
420 int wl_adapter_close(struct net_device *dev)
422 struct wl_private *lp = wl_priv(dev);
423 struct pcmcia_device *link = lp->link;
424 /*--------------------------------------------------------------------*/
426 DBG_FUNC("wl_adapter_close");
428 DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev);
435 DBG_TRACE(DbgInfo, "%s: Shutting down adapter.\n", dev->name);
442 } /* wl_adapter_close */
443 /*============================================================================*/
445 static struct pcmcia_device_id wl_adapter_ids[] = {
446 #if !((HCF_TYPE) & HCF_TYPE_HII5)
447 PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0003),
448 PCMCIA_DEVICE_PROD_ID12("Agere Systems", "Wireless PC Card Model 0110",
449 0x33103a9b, 0xe175b0dd),
451 PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0004),
452 PCMCIA_DEVICE_PROD_ID12("Linksys", "WCF54G_Wireless-G_CompactFlash_Card",
453 0x0733cc81, 0x98a599e1),
454 #endif /* (HCF_TYPE) & HCF_TYPE_HII5 */
457 MODULE_DEVICE_TABLE(pcmcia, wl_adapter_ids);
459 static struct pcmcia_driver wlags49_driver = {
460 .owner = THIS_MODULE,
464 .probe = wl_adapter_attach,
465 .remove = wl_adapter_detach,
466 .id_table = wl_adapter_ids,
467 .suspend = wl_adapter_suspend,
468 .resume = wl_adapter_resume,
473 /*******************************************************************************
474 * wl_adapter_init_module()
475 *******************************************************************************
479 * Called by init_module() to perform PCMCIA driver initialization.
490 ******************************************************************************/
491 int wl_adapter_init_module(void)
494 /*--------------------------------------------------------------------*/
496 DBG_FUNC("wl_adapter_init_module");
498 DBG_TRACE(DbgInfo, "wl_adapter_init_module() -- PCMCIA\n");
500 ret = pcmcia_register_driver(&wlags49_driver);
504 } /* wl_adapter_init_module */
505 /*============================================================================*/
508 /*******************************************************************************
509 * wl_adapter_cleanup_module()
510 *******************************************************************************
514 * Called by cleanup_module() to perform driver uninitialization.
524 ******************************************************************************/
525 void wl_adapter_cleanup_module(void)
527 DBG_FUNC("wl_adapter_cleanup_module");
529 DBG_TRACE(DbgInfo, "wl_adapter_cleanup_module() -- PCMCIA\n");
532 pcmcia_unregister_driver(&wlags49_driver);
536 } /* wl_adapter_cleanup_module */
537 /*============================================================================*/
540 /*******************************************************************************
541 * wl_adapter_is_open()
542 *******************************************************************************
546 * Check with Card Services to determine if this device is open.
550 * dev - a pointer to the net_device structure whose open status will be
555 * nonzero if device is open
558 ******************************************************************************/
559 int wl_adapter_is_open(struct net_device *dev)
561 struct wl_private *lp = wl_priv(dev);
562 struct pcmcia_device *link = lp->link;
564 if (!pcmcia_dev_present(link))
568 } /* wl_adapter_is_open */
569 /*============================================================================*/
574 /*******************************************************************************
576 *******************************************************************************
580 * Converts the card serivces events to text for debugging.
584 * mask - a integer representing the error(s) being reported by Card
589 * a pointer to a string describing the error(s)
591 ******************************************************************************/
592 const char *DbgEvent(int mask)
594 static char DbgBuffer[256];
596 /*--------------------------------------------------------------------*/
602 if (mask & CS_EVENT_WRITE_PROTECT)
603 strcat(pBuf, "WRITE_PROTECT ");
605 if (mask & CS_EVENT_CARD_LOCK)
606 strcat(pBuf, "CARD_LOCK ");
608 if (mask & CS_EVENT_CARD_INSERTION)
609 strcat(pBuf, "CARD_INSERTION ");
611 if (mask & CS_EVENT_CARD_REMOVAL)
612 strcat(pBuf, "CARD_REMOVAL ");
614 if (mask & CS_EVENT_BATTERY_DEAD)
615 strcat(pBuf, "BATTERY_DEAD ");
617 if (mask & CS_EVENT_BATTERY_LOW)
618 strcat(pBuf, "BATTERY_LOW ");
620 if (mask & CS_EVENT_READY_CHANGE)
621 strcat(pBuf, "READY_CHANGE ");
623 if (mask & CS_EVENT_CARD_DETECT)
624 strcat(pBuf, "CARD_DETECT ");
626 if (mask & CS_EVENT_RESET_REQUEST)
627 strcat(pBuf, "RESET_REQUEST ");
629 if (mask & CS_EVENT_RESET_PHYSICAL)
630 strcat(pBuf, "RESET_PHYSICAL ");
632 if (mask & CS_EVENT_CARD_RESET)
633 strcat(pBuf, "CARD_RESET ");
635 if (mask & CS_EVENT_REGISTRATION_COMPLETE)
636 strcat(pBuf, "REGISTRATION_COMPLETE ");
638 /* if (mask & CS_EVENT_RESET_COMPLETE)
639 strcat(pBuf, "RESET_COMPLETE "); */
641 if (mask & CS_EVENT_PM_SUSPEND)
642 strcat(pBuf, "PM_SUSPEND ");
644 if (mask & CS_EVENT_PM_RESUME)
645 strcat(pBuf, "PM_RESUME ");
647 if (mask & CS_EVENT_INSERTION_REQUEST)
648 strcat(pBuf, "INSERTION_REQUEST ");
650 if (mask & CS_EVENT_EJECTION_REQUEST)
651 strcat(pBuf, "EJECTION_REQUEST ");
653 if (mask & CS_EVENT_MTD_REQUEST)
654 strcat(pBuf, "MTD_REQUEST ");
656 if (mask & CS_EVENT_ERASE_COMPLETE)
657 strcat(pBuf, "ERASE_COMPLETE ");
659 if (mask & CS_EVENT_REQUEST_ATTENTION)
660 strcat(pBuf, "REQUEST_ATTENTION ");
662 if (mask & CS_EVENT_CB_DETECT)
663 strcat(pBuf, "CB_DETECT ");
665 if (mask & CS_EVENT_3VCARD)
666 strcat(pBuf, "3VCARD ");
668 if (mask & CS_EVENT_XVCARD)
669 strcat(pBuf, "XVCARD ");
673 pBuf[strlen(pBuf) - 1] = '\0';
676 sprintf(pBuf, "<<0x%08x>>", mask);
681 /*============================================================================*/