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,
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");
61 /*====================================================================*/
63 static int atmel_config(struct pcmcia_device *link);
64 static void atmel_release(struct pcmcia_device *link);
66 static void atmel_detach(struct pcmcia_device *p_dev);
69 struct net_device *eth_dev;
72 static int atmel_probe(struct pcmcia_device *p_dev)
74 struct local_info *local;
76 dev_dbg(&p_dev->dev, "atmel_attach()\n");
78 /* Allocate space for private device-specific data */
79 local = kzalloc(sizeof(*local), GFP_KERNEL);
85 return atmel_config(p_dev);
88 static void atmel_detach(struct pcmcia_device *link)
90 dev_dbg(&link->dev, "atmel_detach\n");
97 /* Call-back function to interrogate PCMCIA-specific information
98 about the current existence of the card */
99 static int card_present(void *arg)
101 struct pcmcia_device *link = (struct pcmcia_device *)arg;
103 if (pcmcia_dev_present(link))
109 static int atmel_config_check(struct pcmcia_device *p_dev, void *priv_data)
111 if (p_dev->config_index == 0)
114 return pcmcia_request_io(p_dev);
117 static int atmel_config(struct pcmcia_device *link)
120 const struct pcmcia_device_id *did;
122 did = dev_get_drvdata(&link->dev);
124 dev_dbg(&link->dev, "atmel_config\n");
126 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP |
127 CONF_AUTO_AUDIO | CONF_AUTO_SET_IO;
129 if (pcmcia_loop_config(link, atmel_config_check, NULL))
133 dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config.");
137 ret = pcmcia_enable_device(link);
141 ((struct local_info *)link->priv)->eth_dev =
142 init_atmel_card(link->irq,
143 link->resource[0]->start,
144 did ? did->driver_info : ATMEL_FW_TYPE_NONE,
148 if (!((struct local_info *)link->priv)->eth_dev)
159 static void atmel_release(struct pcmcia_device *link)
161 struct net_device *dev = ((struct local_info *)link->priv)->eth_dev;
163 dev_dbg(&link->dev, "atmel_release\n");
166 stop_atmel_card(dev);
167 ((struct local_info *)link->priv)->eth_dev = NULL;
169 pcmcia_disable_device(link);
172 static int atmel_suspend(struct pcmcia_device *link)
174 struct local_info *local = link->priv;
176 netif_device_detach(local->eth_dev);
181 static int atmel_resume(struct pcmcia_device *link)
183 struct local_info *local = link->priv;
185 atmel_open(local->eth_dev);
186 netif_device_attach(local->eth_dev);
191 /*====================================================================*/
192 /* We use the driver_info field to store the correct firmware type for a card. */
194 #define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \
195 .match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID| \
196 PCMCIA_DEV_ID_MATCH_CARD_ID, \
199 .driver_info = (kernel_ulong_t)(info), }
201 #define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \
202 .match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1| \
203 PCMCIA_DEV_ID_MATCH_PROD_ID2, \
204 .prod_id = { (v1), (v2), NULL, NULL }, \
205 .prod_id_hash = { (vh1), (vh2), 0, 0 }, \
206 .driver_info = (kernel_ulong_t)(info), }
208 static const struct pcmcia_device_id atmel_ids[] = {
209 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM),
210 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM),
211 PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E),
212 PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502),
213 PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E),
214 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502),
215 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D),
216 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E),
217 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958),
218 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504),
219 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958),
220 PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502),
221 PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E),
222 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502),
223 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958),
224 PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502),
225 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D),
226 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502),
227 PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D),
228 PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D),
229 PCMCIA_DEVICE_PROD_ID12_INFO("LG", "LW2100N", 0xb474d43a, 0x6b1fec94, ATMEL_FW_TYPE_502E),
233 MODULE_DEVICE_TABLE(pcmcia, atmel_ids);
235 static struct pcmcia_driver atmel_driver = {
236 .owner = THIS_MODULE,
238 .probe = atmel_probe,
239 .remove = atmel_detach,
240 .id_table = atmel_ids,
241 .suspend = atmel_suspend,
242 .resume = atmel_resume,
244 module_pcmcia_driver(atmel_driver);
247 This program is free software; you can redistribute it and/or
248 modify it under the terms of the GNU General Public License
249 as published by the Free Software Foundation; either version 2
250 of the License, or (at your option) any later version.
252 This program is distributed in the hope that it will be useful,
253 but WITHOUT ANY WARRANTY; without even the implied warranty of
254 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
255 GNU General Public License for more details.
259 Redistribution and use in source and binary forms, with or without
260 modification, are permitted provided that the following conditions
263 1. Redistributions of source code must retain the above copyright
264 notice, this list of conditions and the following disclaimer.
265 2. Redistributions in binary form must reproduce the above copyright
266 notice, this list of conditions and the following disclaimer in the
267 documentation and/or other materials provided with the distribution.
268 3. The name of the author may not be used to endorse or promote
269 products derived from this software without specific prior written
272 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
273 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
274 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
275 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
276 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
277 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
278 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
279 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
280 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
281 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
282 POSSIBILITY OF SUCH DAMAGE.