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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*** -*- linux-c -*- **********************************************************
2
3 Driver for Atmel at76c502 at76c504 and at76c506 wireless cards.
4
5 Copyright 2000-2001 ATMEL Corporation.
6 Copyright 2003 Simon Kelley.
7
Dmitry Torokhov5c877fe2006-10-08 00:14:30 -04008 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.
Linus Torvalds1da177e2005-04-16 15:20:36 -070012
Dmitry Torokhov5c877fe2006-10-08 00:14:30 -040013 For all queries about this code, please contact the current author,
Linus Torvalds1da177e2005-04-16 15:20:36 -070014 Simon Kelley <simon@thekelleys.org.uk> and not Atmel Corporation.
15
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.
20
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.
25
26 You should have received a copy of the GNU General Public License
Jeff Kirsher36769152013-12-06 03:32:13 -080027 along with Atmel wireless lan drivers; if not, see
28 <http://www.gnu.org/licenses/>.
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
30******************************************************************************/
31
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#ifdef __IN_PCMCIA_PACKAGE__
33#include <pcmcia/k_compat.h>
34#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070035#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>
43
Linus Torvalds1da177e2005-04-16 15:20:36 -070044#include <pcmcia/cistpl.h>
45#include <pcmcia/cisreg.h>
46#include <pcmcia/ds.h>
47#include <pcmcia/ciscode.h>
48
49#include <asm/io.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070050#include <linux/wireless.h>
51
52#include "atmel.h"
53
Linus Torvalds1da177e2005-04-16 15:20:36 -070054
55/*====================================================================*/
56
57MODULE_AUTHOR("Simon Kelley");
58MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards.");
59MODULE_LICENSE("GPL");
60MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards");
61
62/*====================================================================*/
63
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020064static int atmel_config(struct pcmcia_device *link);
Dominik Brodowskifba395e2006-03-31 17:21:06 +020065static void atmel_release(struct pcmcia_device *link);
Linus Torvalds1da177e2005-04-16 15:20:36 -070066
Dominik Brodowskicc3b4862005-11-14 21:23:14 +010067static void atmel_detach(struct pcmcia_device *p_dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070068
Himangi Saraogib9395df2014-08-13 22:40:24 +053069struct local_info {
Linus Torvalds1da177e2005-04-16 15:20:36 -070070 struct net_device *eth_dev;
Himangi Saraogib9395df2014-08-13 22:40:24 +053071};
Linus Torvalds1da177e2005-04-16 15:20:36 -070072
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020073static int atmel_probe(struct pcmcia_device *p_dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -070074{
Himangi Saraogib9395df2014-08-13 22:40:24 +053075 struct local_info *local;
Dominik Brodowskif8cfa612005-11-14 21:25:51 +010076
Dominik Brodowski2caff1472009-10-24 15:53:36 +020077 dev_dbg(&p_dev->dev, "atmel_attach()\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070078
Linus Torvalds1da177e2005-04-16 15:20:36 -070079 /* Allocate space for private device-specific data */
Himangi Saraogib9395df2014-08-13 22:40:24 +053080 local = kzalloc(sizeof(*local), GFP_KERNEL);
Joe Perches0d2e7a52013-02-03 17:28:14 +000081 if (!local)
Dominik Brodowskif8cfa612005-11-14 21:25:51 +010082 return -ENOMEM;
Joe Perches0d2e7a52013-02-03 17:28:14 +000083
Dominik Brodowskifd238232006-03-05 10:45:09 +010084 p_dev->priv = local;
Dominik Brodowskif8cfa612005-11-14 21:25:51 +010085
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020086 return atmel_config(p_dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070087} /* atmel_attach */
88
Dominik Brodowskifba395e2006-03-31 17:21:06 +020089static void atmel_detach(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -070090{
Dominik Brodowski2caff1472009-10-24 15:53:36 +020091 dev_dbg(&link->dev, "atmel_detach\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070092
Dominik Brodowskie2d40962006-03-02 00:09:29 +010093 atmel_release(link);
Dominik Brodowskib4635812005-11-14 21:25:35 +010094
Jesper Juhlb4558ea2005-10-28 16:53:13 -040095 kfree(link->priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -070096}
97
Linus Torvalds1da177e2005-04-16 15:20:36 -070098/* Call-back function to interrogate PCMCIA-specific information
Lucas De Marchi25985ed2011-03-30 22:57:33 -030099 about the current existence of the card */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100static int card_present(void *arg)
Dominik Brodowski9940ec32006-03-05 11:04:33 +0100101{
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200102 struct pcmcia_device *link = (struct pcmcia_device *)arg;
Dominik Brodowski9940ec32006-03-05 11:04:33 +0100103
104 if (pcmcia_dev_present(link))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105 return 1;
Dominik Brodowski9940ec32006-03-05 11:04:33 +0100106
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107 return 0;
108}
109
Dominik Brodowski00990e72010-07-30 13:13:46 +0200110static int atmel_config_check(struct pcmcia_device *p_dev, void *priv_data)
Dominik Brodowskib54bf942008-08-02 14:28:43 +0200111{
Dominik Brodowski00990e72010-07-30 13:13:46 +0200112 if (p_dev->config_index == 0)
113 return -EINVAL;
Dominik Brodowski8e2fc392008-08-02 15:30:31 +0200114
Dominik Brodowski90abdc32010-07-24 17:23:51 +0200115 return pcmcia_request_io(p_dev);
Dominik Brodowskib54bf942008-08-02 14:28:43 +0200116}
117
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200118static int atmel_config(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119{
Himangi Saraogib9395df2014-08-13 22:40:24 +0530120 struct local_info *dev;
Dominik Brodowski2caff1472009-10-24 15:53:36 +0200121 int ret;
Joe Perches25f8f542011-05-03 19:29:01 -0700122 const struct pcmcia_device_id *did;
simon@thekelleys.org.ukb16a2282005-10-30 15:50:15 +0000123
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124 dev = link->priv;
Dominik Brodowskidd2e5a12009-11-03 10:27:34 +0100125 did = dev_get_drvdata(&link->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126
Dominik Brodowski2caff1472009-10-24 15:53:36 +0200127 dev_dbg(&link->dev, "atmel_config\n");
Dmitry Torokhov5c877fe2006-10-08 00:14:30 -0400128
Dominik Brodowski440eed42010-07-30 09:51:52 +0200129 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP |
Dominik Brodowski00990e72010-07-30 13:13:46 +0200130 CONF_AUTO_AUDIO | CONF_AUTO_SET_IO;
Dominik Brodowski440eed42010-07-30 09:51:52 +0200131
Dominik Brodowski8e2fc392008-08-02 15:30:31 +0200132 if (pcmcia_loop_config(link, atmel_config_check, NULL))
Dominik Brodowskib54bf942008-08-02 14:28:43 +0200133 goto failed;
Dmitry Torokhov5c877fe2006-10-08 00:14:30 -0400134
Dominik Brodowskieb141202010-03-07 12:21:16 +0100135 if (!link->irq) {
136 dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config.");
137 goto failed;
Dominik Brodowski2caff1472009-10-24 15:53:36 +0200138 }
Dmitry Torokhov5c877fe2006-10-08 00:14:30 -0400139
Dominik Brodowski1ac71e52010-07-29 19:27:09 +0200140 ret = pcmcia_enable_device(link);
Dominik Brodowski2caff1472009-10-24 15:53:36 +0200141 if (ret)
142 goto failed;
Dmitry Torokhov5c877fe2006-10-08 00:14:30 -0400143
Himangi Saraogib9395df2014-08-13 22:40:24 +0530144 ((struct local_info *)link->priv)->eth_dev =
Dominik Brodowskieb141202010-03-07 12:21:16 +0100145 init_atmel_card(link->irq,
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200146 link->resource[0]->start,
simon@thekelleys.org.ukb16a2282005-10-30 15:50:15 +0000147 did ? did->driver_info : ATMEL_FW_TYPE_NONE,
Dominik Brodowskidd2e5a12009-11-03 10:27:34 +0100148 &link->dev,
Dmitry Torokhov5c877fe2006-10-08 00:14:30 -0400149 card_present,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150 link);
Himangi Saraogib9395df2014-08-13 22:40:24 +0530151 if (!((struct local_info *)link->priv)->eth_dev)
Dominik Brodowski2caff1472009-10-24 15:53:36 +0200152 goto failed;
Dmitry Torokhov5c877fe2006-10-08 00:14:30 -0400153
154
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200155 return 0;
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100156
Dominik Brodowskib54bf942008-08-02 14:28:43 +0200157 failed:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158 atmel_release(link);
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200159 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160}
161
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200162static void atmel_release(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163{
Himangi Saraogib9395df2014-08-13 22:40:24 +0530164 struct net_device *dev = ((struct local_info *)link->priv)->eth_dev;
Dominik Brodowski5f2a71f2006-01-15 09:32:39 +0100165
Dominik Brodowski2caff1472009-10-24 15:53:36 +0200166 dev_dbg(&link->dev, "atmel_release\n");
Dominik Brodowski5f2a71f2006-01-15 09:32:39 +0100167
168 if (dev)
simon@thekelleys.org.ukb16a2282005-10-30 15:50:15 +0000169 stop_atmel_card(dev);
Himangi Saraogib9395df2014-08-13 22:40:24 +0530170 ((struct local_info *)link->priv)->eth_dev = NULL;
Dominik Brodowski5f2a71f2006-01-15 09:32:39 +0100171
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200172 pcmcia_disable_device(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173}
174
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200175static int atmel_suspend(struct pcmcia_device *link)
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100176{
Himangi Saraogib9395df2014-08-13 22:40:24 +0530177 struct local_info *local = link->priv;
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100178
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100179 netif_device_detach(local->eth_dev);
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100180
181 return 0;
182}
183
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200184static int atmel_resume(struct pcmcia_device *link)
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100185{
Himangi Saraogib9395df2014-08-13 22:40:24 +0530186 struct local_info *local = link->priv;
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100187
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100188 atmel_open(local->eth_dev);
189 netif_device_attach(local->eth_dev);
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100190
191 return 0;
192}
193
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194/*====================================================================*/
simon@thekelleys.org.ukb16a2282005-10-30 15:50:15 +0000195/* We use the driver_info field to store the correct firmware type for a card. */
196
197#define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \
198 .match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID| \
199 PCMCIA_DEV_ID_MATCH_CARD_ID, \
200 .manf_id = (manf), \
201 .card_id = (card), \
202 .driver_info = (kernel_ulong_t)(info), }
203
204#define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \
205 .match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1| \
206 PCMCIA_DEV_ID_MATCH_PROD_ID2, \
207 .prod_id = { (v1), (v2), NULL, NULL }, \
208 .prod_id_hash = { (vh1), (vh2), 0, 0 }, \
209 .driver_info = (kernel_ulong_t)(info), }
210
Joe Perches25f8f542011-05-03 19:29:01 -0700211static const struct pcmcia_device_id atmel_ids[] = {
simon@thekelleys.org.ukb16a2282005-10-30 15:50:15 +0000212 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM),
213 PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM),
214 PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E),
215 PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502),
216 PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E),
217 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502),
218 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D),
219 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E),
220 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958),
221 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504),
222 PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958),
223 PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502),
224 PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E),
225 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502),
226 PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958),
227 PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502),
228 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D),
229 PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502),
230 PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D),
231 PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D),
232 PCMCIA_DEVICE_PROD_ID12_INFO("LG", "LW2100N", 0xb474d43a, 0x6b1fec94, ATMEL_FW_TYPE_502E),
Dominik Brodowski4a17a112005-06-27 16:28:34 -0700233 PCMCIA_DEVICE_NULL
234};
simon@thekelleys.org.ukb16a2282005-10-30 15:50:15 +0000235
Dominik Brodowski4a17a112005-06-27 16:28:34 -0700236MODULE_DEVICE_TABLE(pcmcia, atmel_ids);
237
Linus Torvalds1da177e2005-04-16 15:20:36 -0700238static struct pcmcia_driver atmel_driver = {
Dominik Brodowski1e212f32005-07-07 17:59:00 -0700239 .owner = THIS_MODULE,
Dominik Brodowski2e9b9812010-08-08 11:36:26 +0200240 .name = "atmel_cs",
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200241 .probe = atmel_probe,
Dominik Brodowskicc3b4862005-11-14 21:23:14 +0100242 .remove = atmel_detach,
Dominik Brodowski4a17a112005-06-27 16:28:34 -0700243 .id_table = atmel_ids,
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100244 .suspend = atmel_suspend,
245 .resume = atmel_resume,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700246};
H Hartley Sweetenfdd3f292013-03-06 11:27:43 -0700247module_pcmcia_driver(atmel_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700248
249/*
250 This program is free software; you can redistribute it and/or
251 modify it under the terms of the GNU General Public License
252 as published by the Free Software Foundation; either version 2
253 of the License, or (at your option) any later version.
254
255 This program is distributed in the hope that it will be useful,
256 but WITHOUT ANY WARRANTY; without even the implied warranty of
257 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
258 GNU General Public License for more details.
259
260 In addition:
261
262 Redistribution and use in source and binary forms, with or without
263 modification, are permitted provided that the following conditions
264 are met:
265
266 1. Redistributions of source code must retain the above copyright
267 notice, this list of conditions and the following disclaimer.
268 2. Redistributions in binary form must reproduce the above copyright
269 notice, this list of conditions and the following disclaimer in the
270 documentation and/or other materials provided with the distribution.
271 3. The name of the author may not be used to endorse or promote
272 products derived from this software without specific prior written
273 permission.
274
275 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
276 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
277 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
278 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
279 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
280 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
281 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
282 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
283 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
284 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Dmitry Torokhov5c877fe2006-10-08 00:14:30 -0400285 POSSIBILITY OF SUCH DAMAGE.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700286*/