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1da177e4 LT |
1 | /*** -*- 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 | ||
5c877fe5 DT |
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. | |
1da177e4 | 12 | |
5c877fe5 | 13 | For all queries about this code, please contact the current author, |
1da177e4 LT |
14 | 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 | |
27 | along with Atmel wireless lan drivers; if not, write to the Free Software | |
28 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
29 | ||
30 | ******************************************************************************/ | |
31 | ||
1da177e4 LT |
32 | #ifdef __IN_PCMCIA_PACKAGE__ |
33 | #include <pcmcia/k_compat.h> | |
34 | #endif | |
35 | #include <linux/init.h> | |
36 | #include <linux/kernel.h> | |
37 | #include <linux/module.h> | |
38 | #include <linux/ptrace.h> | |
39 | #include <linux/slab.h> | |
40 | #include <linux/string.h> | |
41 | #include <linux/netdevice.h> | |
42 | #include <linux/moduleparam.h> | |
43 | #include <linux/device.h> | |
44 | ||
1da177e4 LT |
45 | #include <pcmcia/cistpl.h> |
46 | #include <pcmcia/cisreg.h> | |
47 | #include <pcmcia/ds.h> | |
48 | #include <pcmcia/ciscode.h> | |
49 | ||
50 | #include <asm/io.h> | |
1da177e4 LT |
51 | #include <linux/wireless.h> |
52 | ||
53 | #include "atmel.h" | |
54 | ||
1da177e4 LT |
55 | |
56 | /*====================================================================*/ | |
57 | ||
58 | MODULE_AUTHOR("Simon Kelley"); | |
59 | MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards."); | |
60 | MODULE_LICENSE("GPL"); | |
61 | MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards"); | |
62 | ||
63 | /*====================================================================*/ | |
64 | ||
15b99ac1 | 65 | static int atmel_config(struct pcmcia_device *link); |
fba395ee | 66 | static void atmel_release(struct pcmcia_device *link); |
1da177e4 | 67 | |
cc3b4866 | 68 | static void atmel_detach(struct pcmcia_device *p_dev); |
1da177e4 | 69 | |
1da177e4 | 70 | typedef struct local_info_t { |
1da177e4 LT |
71 | struct net_device *eth_dev; |
72 | } local_info_t; | |
73 | ||
15b99ac1 | 74 | static int atmel_probe(struct pcmcia_device *p_dev) |
1da177e4 | 75 | { |
1da177e4 | 76 | local_info_t *local; |
f8cfa618 | 77 | |
2caff147 | 78 | dev_dbg(&p_dev->dev, "atmel_attach()\n"); |
1da177e4 | 79 | |
1da177e4 | 80 | /* Allocate space for private device-specific data */ |
b69a3aa8 | 81 | local = kzalloc(sizeof(local_info_t), GFP_KERNEL); |
1da177e4 LT |
82 | if (!local) { |
83 | printk(KERN_ERR "atmel_cs: no memory for new device\n"); | |
f8cfa618 | 84 | return -ENOMEM; |
1da177e4 | 85 | } |
fd238232 | 86 | p_dev->priv = local; |
f8cfa618 | 87 | |
15b99ac1 | 88 | return atmel_config(p_dev); |
1da177e4 LT |
89 | } /* atmel_attach */ |
90 | ||
fba395ee | 91 | static void atmel_detach(struct pcmcia_device *link) |
1da177e4 | 92 | { |
2caff147 | 93 | dev_dbg(&link->dev, "atmel_detach\n"); |
1da177e4 | 94 | |
e2d40963 | 95 | atmel_release(link); |
b4635811 | 96 | |
b4558ea9 | 97 | kfree(link->priv); |
1da177e4 LT |
98 | } |
99 | ||
1da177e4 | 100 | /* Call-back function to interrogate PCMCIA-specific information |
25985edc | 101 | about the current existence of the card */ |
1da177e4 | 102 | static int card_present(void *arg) |
9940ec36 | 103 | { |
fba395ee | 104 | struct pcmcia_device *link = (struct pcmcia_device *)arg; |
9940ec36 DB |
105 | |
106 | if (pcmcia_dev_present(link)) | |
1da177e4 | 107 | return 1; |
9940ec36 | 108 | |
1da177e4 LT |
109 | return 0; |
110 | } | |
111 | ||
00990e7c | 112 | static int atmel_config_check(struct pcmcia_device *p_dev, void *priv_data) |
b54bf94b | 113 | { |
00990e7c DB |
114 | if (p_dev->config_index == 0) |
115 | return -EINVAL; | |
b54bf94b | 116 | |
90abdc3b | 117 | return pcmcia_request_io(p_dev); |
b54bf94b DB |
118 | } |
119 | ||
15b99ac1 | 120 | static int atmel_config(struct pcmcia_device *link) |
1da177e4 | 121 | { |
1da177e4 | 122 | local_info_t *dev; |
2caff147 | 123 | int ret; |
25f8f54f | 124 | const struct pcmcia_device_id *did; |
b16a228d | 125 | |
1da177e4 | 126 | dev = link->priv; |
dd2e5a15 | 127 | did = dev_get_drvdata(&link->dev); |
1da177e4 | 128 | |
2caff147 | 129 | dev_dbg(&link->dev, "atmel_config\n"); |
5c877fe5 | 130 | |
440eed43 | 131 | link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP | |
00990e7c | 132 | CONF_AUTO_AUDIO | CONF_AUTO_SET_IO; |
440eed43 | 133 | |
8e2fc39d | 134 | if (pcmcia_loop_config(link, atmel_config_check, NULL)) |
b54bf94b | 135 | goto failed; |
5c877fe5 | 136 | |
eb14120f DB |
137 | if (!link->irq) { |
138 | dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config."); | |
139 | goto failed; | |
2caff147 | 140 | } |
5c877fe5 | 141 | |
1ac71e5a | 142 | ret = pcmcia_enable_device(link); |
2caff147 DB |
143 | if (ret) |
144 | goto failed; | |
5c877fe5 | 145 | |
5c877fe5 | 146 | ((local_info_t*)link->priv)->eth_dev = |
eb14120f | 147 | init_atmel_card(link->irq, |
9a017a91 | 148 | link->resource[0]->start, |
b16a228d | 149 | did ? did->driver_info : ATMEL_FW_TYPE_NONE, |
dd2e5a15 | 150 | &link->dev, |
5c877fe5 | 151 | card_present, |
1da177e4 | 152 | link); |
5c877fe5 | 153 | if (!((local_info_t*)link->priv)->eth_dev) |
2caff147 | 154 | goto failed; |
5c877fe5 DT |
155 | |
156 | ||
15b99ac1 | 157 | return 0; |
e2d40963 | 158 | |
b54bf94b | 159 | failed: |
1da177e4 | 160 | atmel_release(link); |
15b99ac1 | 161 | return -ENODEV; |
1da177e4 LT |
162 | } |
163 | ||
fba395ee | 164 | static void atmel_release(struct pcmcia_device *link) |
1da177e4 LT |
165 | { |
166 | struct net_device *dev = ((local_info_t*)link->priv)->eth_dev; | |
5f2a71fc | 167 | |
2caff147 | 168 | dev_dbg(&link->dev, "atmel_release\n"); |
5f2a71fc DB |
169 | |
170 | if (dev) | |
b16a228d | 171 | stop_atmel_card(dev); |
5f2a71fc DB |
172 | ((local_info_t*)link->priv)->eth_dev = NULL; |
173 | ||
fba395ee | 174 | pcmcia_disable_device(link); |
1da177e4 LT |
175 | } |
176 | ||
fba395ee | 177 | static int atmel_suspend(struct pcmcia_device *link) |
98e4c28b | 178 | { |
98e4c28b DB |
179 | local_info_t *local = link->priv; |
180 | ||
e2d40963 | 181 | netif_device_detach(local->eth_dev); |
98e4c28b DB |
182 | |
183 | return 0; | |
184 | } | |
185 | ||
fba395ee | 186 | static int atmel_resume(struct pcmcia_device *link) |
98e4c28b | 187 | { |
98e4c28b DB |
188 | local_info_t *local = link->priv; |
189 | ||
e2d40963 DB |
190 | atmel_open(local->eth_dev); |
191 | netif_device_attach(local->eth_dev); | |
98e4c28b DB |
192 | |
193 | return 0; | |
194 | } | |
195 | ||
1da177e4 | 196 | /*====================================================================*/ |
b16a228d | 197 | /* We use the driver_info field to store the correct firmware type for a card. */ |
198 | ||
199 | #define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \ | |
200 | .match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID| \ | |
201 | PCMCIA_DEV_ID_MATCH_CARD_ID, \ | |
202 | .manf_id = (manf), \ | |
203 | .card_id = (card), \ | |
204 | .driver_info = (kernel_ulong_t)(info), } | |
205 | ||
206 | #define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \ | |
207 | .match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1| \ | |
208 | PCMCIA_DEV_ID_MATCH_PROD_ID2, \ | |
209 | .prod_id = { (v1), (v2), NULL, NULL }, \ | |
210 | .prod_id_hash = { (vh1), (vh2), 0, 0 }, \ | |
211 | .driver_info = (kernel_ulong_t)(info), } | |
212 | ||
25f8f54f | 213 | static const struct pcmcia_device_id atmel_ids[] = { |
b16a228d | 214 | PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM), |
215 | PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM), | |
216 | PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E), | |
217 | PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502), | |
218 | PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E), | |
219 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502), | |
220 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D), | |
221 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E), | |
222 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958), | |
223 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504), | |
224 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958), | |
225 | PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502), | |
226 | PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E), | |
227 | PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502), | |
228 | PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958), | |
229 | PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502), | |
230 | PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D), | |
231 | PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502), | |
232 | PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D), | |
233 | PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D), | |
234 | PCMCIA_DEVICE_PROD_ID12_INFO("LG", "LW2100N", 0xb474d43a, 0x6b1fec94, ATMEL_FW_TYPE_502E), | |
4a17a119 DB |
235 | PCMCIA_DEVICE_NULL |
236 | }; | |
b16a228d | 237 | |
4a17a119 DB |
238 | MODULE_DEVICE_TABLE(pcmcia, atmel_ids); |
239 | ||
1da177e4 | 240 | static struct pcmcia_driver atmel_driver = { |
1e212f36 | 241 | .owner = THIS_MODULE, |
2e9b981a | 242 | .name = "atmel_cs", |
15b99ac1 | 243 | .probe = atmel_probe, |
cc3b4866 | 244 | .remove = atmel_detach, |
4a17a119 | 245 | .id_table = atmel_ids, |
98e4c28b DB |
246 | .suspend = atmel_suspend, |
247 | .resume = atmel_resume, | |
1da177e4 LT |
248 | }; |
249 | ||
06b3a1d1 | 250 | static int __init atmel_cs_init(void) |
1da177e4 LT |
251 | { |
252 | return pcmcia_register_driver(&atmel_driver); | |
253 | } | |
254 | ||
06b3a1d1 | 255 | static void __exit atmel_cs_cleanup(void) |
1da177e4 LT |
256 | { |
257 | pcmcia_unregister_driver(&atmel_driver); | |
1da177e4 LT |
258 | } |
259 | ||
260 | /* | |
261 | This program is free software; you can redistribute it and/or | |
262 | modify it under the terms of the GNU General Public License | |
263 | as published by the Free Software Foundation; either version 2 | |
264 | of the License, or (at your option) any later version. | |
265 | ||
266 | This program is distributed in the hope that it will be useful, | |
267 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
268 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
269 | GNU General Public License for more details. | |
270 | ||
271 | In addition: | |
272 | ||
273 | Redistribution and use in source and binary forms, with or without | |
274 | modification, are permitted provided that the following conditions | |
275 | are met: | |
276 | ||
277 | 1. Redistributions of source code must retain the above copyright | |
278 | notice, this list of conditions and the following disclaimer. | |
279 | 2. Redistributions in binary form must reproduce the above copyright | |
280 | notice, this list of conditions and the following disclaimer in the | |
281 | documentation and/or other materials provided with the distribution. | |
282 | 3. The name of the author may not be used to endorse or promote | |
283 | products derived from this software without specific prior written | |
284 | permission. | |
285 | ||
286 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
287 | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
288 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
289 | ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, | |
290 | INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
291 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
292 | SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
293 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
294 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
295 | IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
5c877fe5 | 296 | POSSIBILITY OF SUCH DAMAGE. |
1da177e4 LT |
297 | */ |
298 | ||
299 | module_init(atmel_cs_init); | |
300 | module_exit(atmel_cs_cleanup); |