1 /*** -*- linux-c -*- **********************************************************
3 Driver for Atmel at76c502 at76c504 and at76c506 wireless cards.
5 Copyright 2000-2001 ATMEL Corporation.
6 Copyright 2003 Simon Kelley.
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.
13 For all queries about this code, please contact the current author,
14 Simon Kelley <simon@thekelleys.org.uk> and not Atmel Corporation.
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.
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.
26 You should have received a copy of the GNU General Public License
27 along with Atmel wireless lan drivers; if not, see
28 <http://www.gnu.org/licenses/>.
30 ******************************************************************************/
32 #ifdef __IN_PCMCIA_PACKAGE__
33 #include <pcmcia/k_compat.h>
35 #include <linux/kernel.h>
36 #include <linux/module.h>
37 #include <linux/ptrace.h>
38 #include <linux/slab.h>
39 #include <linux/string.h>
40 #include <linux/netdevice.h>
41 #include <linux/moduleparam.h>
42 #include <linux/device.h>
44 #include <pcmcia/cistpl.h>
45 #include <pcmcia/cisreg.h>
46 #include <pcmcia/ds.h>
47 #include <pcmcia/ciscode.h>
50 #include <linux/wireless.h>
55 /*====================================================================*/
57 MODULE_AUTHOR("Simon Kelley");
58 MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards.");
59 MODULE_LICENSE("GPL");
60 MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards");
62 /*====================================================================*/
64 static int atmel_config(struct pcmcia_device *link);
65 static void atmel_release(struct pcmcia_device *link);
67 static void atmel_detach(struct pcmcia_device *p_dev);
70 struct net_device *eth_dev;
73 static int atmel_probe(struct pcmcia_device *p_dev)
75 struct local_info *local;
78 dev_dbg(&p_dev->dev, "atmel_attach()\n");
80 /* Allocate space for private device-specific data */
81 local = kzalloc(sizeof(*local), GFP_KERNEL);
87 ret = atmel_config(p_dev);
98 static void atmel_detach(struct pcmcia_device *link)
100 dev_dbg(&link->dev, "atmel_detach\n");
107 /* Call-back function to interrogate PCMCIA-specific information
108 about the current existence of the card */
109 static int card_present(void *arg)
111 struct pcmcia_device *link = (struct pcmcia_device *)arg;
113 if (pcmcia_dev_present(link))
119 static int atmel_config_check(struct pcmcia_device *p_dev, void *priv_data)
121 if (p_dev->config_index == 0)
124 return pcmcia_request_io(p_dev);
127 static int atmel_config(struct pcmcia_device *link)
129 struct local_info *dev;
131 const struct pcmcia_device_id *did;
134 did = dev_get_drvdata(&link->dev);
136 dev_dbg(&link->dev, "atmel_config\n");
138 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP |
139 CONF_AUTO_AUDIO | CONF_AUTO_SET_IO;
141 if (pcmcia_loop_config(link, atmel_config_check, NULL))
145 dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config.");
149 ret = pcmcia_enable_device(link);
153 ((struct local_info *)link->priv)->eth_dev =
154 init_atmel_card(link->irq,
155 link->resource[0]->start,
156 did ? did->driver_info : ATMEL_FW_TYPE_NONE,
160 if (!((struct local_info *)link->priv)->eth_dev)
171 static void atmel_release(struct pcmcia_device *link)
173 struct net_device *dev = ((struct local_info *)link->priv)->eth_dev;
175 dev_dbg(&link->dev, "atmel_release\n");
178 stop_atmel_card(dev);
179 ((struct local_info *)link->priv)->eth_dev = NULL;
181 pcmcia_disable_device(link);
184 static int atmel_suspend(struct pcmcia_device *link)
186 struct local_info *local = link->priv;
188 netif_device_detach(local->eth_dev);
193 static int atmel_resume(struct pcmcia_device *link)
195 struct local_info *local = link->priv;
197 atmel_open(local->eth_dev);
198 netif_device_attach(local->eth_dev);
203 /*====================================================================*/
204 /* We use the driver_info field to store the correct firmware type for a card. */
206 #define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \
207 .match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID| \
208 PCMCIA_DEV_ID_MATCH_CARD_ID, \
211 .driver_info = (kernel_ulong_t)(info), }
213 #define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \
214 .match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1| \
215 PCMCIA_DEV_ID_MATCH_PROD_ID2, \
216 .prod_id = { (v1), (v2), NULL, NULL }, \
217 .prod_id_hash = { (vh1), (vh2), 0, 0 }, \
218 .driver_info = (kernel_ulong_t)(info), }
220 static const struct pcmcia_device_id atmel_ids[] = {
221 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM),
222 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM),
223 PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E),
224 PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502),
225 PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E),
226 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502),
227 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D),
228 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E),
229 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958),
230 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504),
231 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958),
232 PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502),
233 PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E),
234 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502),
235 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958),
236 PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502),
237 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D),
238 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502),
239 PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D),
240 PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D),
241 PCMCIA_DEVICE_PROD_ID12_INFO("LG", "LW2100N", 0xb474d43a, 0x6b1fec94, ATMEL_FW_TYPE_502E),
245 MODULE_DEVICE_TABLE(pcmcia, atmel_ids);
247 static struct pcmcia_driver atmel_driver = {
248 .owner = THIS_MODULE,
250 .probe = atmel_probe,
251 .remove = atmel_detach,
252 .id_table = atmel_ids,
253 .suspend = atmel_suspend,
254 .resume = atmel_resume,
256 module_pcmcia_driver(atmel_driver);
259 This program is free software; you can redistribute it and/or
260 modify it under the terms of the GNU General Public License
261 as published by the Free Software Foundation; either version 2
262 of the License, or (at your option) any later version.
264 This program is distributed in the hope that it will be useful,
265 but WITHOUT ANY WARRANTY; without even the implied warranty of
266 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
267 GNU General Public License for more details.
271 Redistribution and use in source and binary forms, with or without
272 modification, are permitted provided that the following conditions
275 1. Redistributions of source code must retain the above copyright
276 notice, this list of conditions and the following disclaimer.
277 2. Redistributions in binary form must reproduce the above copyright
278 notice, this list of conditions and the following disclaimer in the
279 documentation and/or other materials provided with the distribution.
280 3. The name of the author may not be used to endorse or promote
281 products derived from this software without specific prior written
284 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
285 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
286 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
287 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
288 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
289 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
290 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
291 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
292 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
293 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
294 POSSIBILITY OF SUCH DAMAGE.