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/bitops.h>
79 #include <linux/netdevice.h>
80 #include <linux/etherdevice.h>
81 #include <linux/skbuff.h>
82 #include <linux/if_arp.h>
83 #include <linux/ioport.h>
84 #include <linux/module.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
);
180 wl_device_dealloc(dev
);
184 } /* wl_adapter_detach */
185 /*============================================================================*/
188 void wl_adapter_release(struct pcmcia_device
*link
)
190 DBG_FUNC("wl_adapter_release");
192 DBG_PARAM(DbgInfo
, "link", "0x%p", link
);
195 wl_remove(link
->priv
);
197 pcmcia_disable_device(link
);
200 } /* wl_adapter_release */
201 /*============================================================================*/
203 static int wl_adapter_suspend(struct pcmcia_device
*link
)
205 struct net_device
*dev
= link
->priv
;
207 /* if (link->open) { */
208 netif_device_detach(dev
);
210 /* CHECK! pcmcia_release_configuration(link->handle); */
214 } /* wl_adapter_suspend */
216 static int wl_adapter_resume(struct pcmcia_device
*link
)
218 struct net_device
*dev
= link
->priv
;
222 netif_device_attach(dev
);
225 } /* wl_adapter_resume */
227 void wl_adapter_insert(struct pcmcia_device
*link
)
229 struct net_device
*dev
;
231 /*--------------------------------------------------------------------*/
233 DBG_FUNC("wl_adapter_insert");
235 DBG_PARAM(DbgInfo
, "link", "0x%p", link
);
239 /* Do we need to allocate an interrupt? */
240 link
->config_flags
|= CONF_ENABLE_IRQ
;
243 ret
= pcmcia_request_io(link
);
247 ret
= pcmcia_request_irq(link
, (void *) wl_isr
);
251 ret
= pcmcia_enable_device(link
);
255 dev
->irq
= link
->irq
;
256 dev
->base_addr
= link
->resource
[0]->start
;
258 SET_NETDEV_DEV(dev
, &link
->dev
);
259 if (register_netdev(dev
) != 0) {
260 printk("%s: register_netdev() failed\n", MODULE_NAME
);
264 register_wlags_sysfs(dev
);
266 printk(KERN_INFO
"%s: Wireless, io_addr %#03lx, irq %d, mac_address"
267 " %pM\n", dev
->name
, dev
->base_addr
, dev
->irq
, dev
->dev_addr
);
273 wl_adapter_release(link
);
277 } /* wl_adapter_insert */
278 /*============================================================================*/
281 /*******************************************************************************
283 *******************************************************************************
291 * dev - a pointer to a net_device structure representing the network
297 * errno value otherwise
299 ******************************************************************************/
300 int wl_adapter_open(struct net_device
*dev
)
302 struct wl_private
*lp
= wl_priv(dev
);
303 struct pcmcia_device
*link
= lp
->link
;
305 int hcf_status
= HCF_SUCCESS
;
306 /*--------------------------------------------------------------------*/
308 DBG_FUNC("wl_adapter_open");
310 DBG_PRINT("%s\n", VERSION_INFO
);
311 DBG_PARAM(DbgInfo
, "dev", "%s (0x%p)", dev
->name
, dev
);
313 if (!pcmcia_dev_present(link
)) {
320 hcf_status
= wl_open(dev
);
322 if (hcf_status
!= HCF_SUCCESS
) {
329 } /* wl_adapter_open */
330 /*============================================================================*/
333 /*******************************************************************************
335 *******************************************************************************
343 * dev - a pointer to a net_device structure representing the network
349 * errno value otherwise
351 ******************************************************************************/
352 int wl_adapter_close(struct net_device
*dev
)
354 struct wl_private
*lp
= wl_priv(dev
);
355 struct pcmcia_device
*link
= lp
->link
;
356 /*--------------------------------------------------------------------*/
358 DBG_FUNC("wl_adapter_close");
360 DBG_PARAM(DbgInfo
, "dev", "%s (0x%p)", dev
->name
, dev
);
367 DBG_TRACE(DbgInfo
, "%s: Shutting down adapter.\n", dev
->name
);
374 } /* wl_adapter_close */
375 /*============================================================================*/
377 static const struct pcmcia_device_id wl_adapter_ids
[] = {
378 #if !((HCF_TYPE) & HCF_TYPE_HII5)
379 PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0003),
380 PCMCIA_DEVICE_PROD_ID12("Agere Systems", "Wireless PC Card Model 0110",
381 0x33103a9b, 0xe175b0dd),
383 PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0004),
384 PCMCIA_DEVICE_PROD_ID12("Linksys", "WCF54G_Wireless-G_CompactFlash_Card",
385 0x0733cc81, 0x98a599e1),
386 #endif /* (HCF_TYPE) & HCF_TYPE_HII5 */
389 MODULE_DEVICE_TABLE(pcmcia
, wl_adapter_ids
);
391 static struct pcmcia_driver wlags49_driver
= {
392 .owner
= THIS_MODULE
,
394 .probe
= wl_adapter_attach
,
395 .remove
= wl_adapter_detach
,
396 .id_table
= wl_adapter_ids
,
397 .suspend
= wl_adapter_suspend
,
398 .resume
= wl_adapter_resume
,
403 /*******************************************************************************
404 * wl_adapter_init_module()
405 *******************************************************************************
409 * Called by init_module() to perform PCMCIA driver initialization.
420 ******************************************************************************/
421 int wl_adapter_init_module(void)
424 /*--------------------------------------------------------------------*/
426 DBG_FUNC("wl_adapter_init_module");
428 DBG_TRACE(DbgInfo
, "wl_adapter_init_module() -- PCMCIA\n");
430 ret
= pcmcia_register_driver(&wlags49_driver
);
434 } /* wl_adapter_init_module */
435 /*============================================================================*/
438 /*******************************************************************************
439 * wl_adapter_cleanup_module()
440 *******************************************************************************
444 * Called by cleanup_module() to perform driver uninitialization.
454 ******************************************************************************/
455 void wl_adapter_cleanup_module(void)
457 DBG_FUNC("wl_adapter_cleanup_module");
459 DBG_TRACE(DbgInfo
, "wl_adapter_cleanup_module() -- PCMCIA\n");
462 pcmcia_unregister_driver(&wlags49_driver
);
466 } /* wl_adapter_cleanup_module */
467 /*============================================================================*/
470 /*******************************************************************************
471 * wl_adapter_is_open()
472 *******************************************************************************
476 * Check with Card Services to determine if this device is open.
480 * dev - a pointer to the net_device structure whose open status will be
485 * nonzero if device is open
488 ******************************************************************************/
489 int wl_adapter_is_open(struct net_device
*dev
)
491 struct wl_private
*lp
= wl_priv(dev
);
492 struct pcmcia_device
*link
= lp
->link
;
494 if (!pcmcia_dev_present(link
))
498 } /* wl_adapter_is_open */
499 /*============================================================================*/