1 /* orinoco_cs.c (formerly known as dldwd_cs.c)
2  *
3  * A driver for "Hermes" chipset based PCMCIA wireless adaptors, such
4  * as the Lucent WavelanIEEE/Orinoco cards and their OEM (Cabletron/
5  * EnteraSys RoamAbout 802.11, ELSA Airlancer, Melco Buffalo and others).
6  * It should also be usable on various Prism II based cards such as the
7  * Linksys, D-Link and Farallon Skyline. It should also work on Symbol
8  * cards such as the 3Com AirConnect and Ericsson WLAN.
9  *
10  * Copyright notice & release notes in file main.c
11  */
12 
13 #define DRIVER_NAME "orinoco_cs"
14 #define PFX DRIVER_NAME ": "
15 
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/delay.h>
19 #include <pcmcia/cistpl.h>
20 #include <pcmcia/cisreg.h>
21 #include <pcmcia/ds.h>
22 
23 #include "orinoco.h"
24 
25 /********************************************************************/
26 /* Module stuff							    */
27 /********************************************************************/
28 
29 MODULE_AUTHOR("David Gibson <hermes@gibson.dropbear.id.au>");
30 MODULE_DESCRIPTION("Driver for PCMCIA Lucent Orinoco,"
31 		   " Prism II based and similar wireless cards");
32 MODULE_LICENSE("Dual MPL/GPL");
33 
34 /* Module parameters */
35 
36 /* Some D-Link cards have buggy CIS. They do work at 5v properly, but
37  * don't have any CIS entry for it. This workaround it... */
38 static int ignore_cis_vcc; /* = 0 */
39 module_param(ignore_cis_vcc, int, 0);
40 MODULE_PARM_DESC(ignore_cis_vcc, "Allow voltage mismatch between card and socket");
41 
42 /********************************************************************/
43 /* Data structures						    */
44 /********************************************************************/
45 
46 /* PCMCIA specific device information (goes in the card field of
47  * struct orinoco_private */
48 struct orinoco_pccard {
49 	struct pcmcia_device	*p_dev;
50 
51 	/* Used to handle hard reset */
52 	/* yuck, we need this hack to work around the insanity of the
53 	 * PCMCIA layer */
54 	unsigned long hard_reset_in_progress;
55 };
56 
57 
58 /********************************************************************/
59 /* Function prototypes						    */
60 /********************************************************************/
61 
62 static int orinoco_cs_config(struct pcmcia_device *link);
63 static void orinoco_cs_release(struct pcmcia_device *link);
64 static void orinoco_cs_detach(struct pcmcia_device *p_dev);
65 
66 /********************************************************************/
67 /* Device methods						    */
68 /********************************************************************/
69 
70 static int
orinoco_cs_hard_reset(struct orinoco_private * priv)71 orinoco_cs_hard_reset(struct orinoco_private *priv)
72 {
73 	struct orinoco_pccard *card = priv->card;
74 	struct pcmcia_device *link = card->p_dev;
75 	int err;
76 
77 	/* We need atomic ops here, because we're not holding the lock */
78 	set_bit(0, &card->hard_reset_in_progress);
79 
80 	err = pcmcia_reset_card(link->socket);
81 	if (err)
82 		return err;
83 
84 	msleep(100);
85 	clear_bit(0, &card->hard_reset_in_progress);
86 
87 	return 0;
88 }
89 
90 /********************************************************************/
91 /* PCMCIA stuff							    */
92 /********************************************************************/
93 
94 static int
orinoco_cs_probe(struct pcmcia_device * link)95 orinoco_cs_probe(struct pcmcia_device *link)
96 {
97 	struct orinoco_private *priv;
98 	struct orinoco_pccard *card;
99 	int ret;
100 
101 	priv = alloc_orinocodev(sizeof(*card), &link->dev,
102 				orinoco_cs_hard_reset, NULL);
103 	if (!priv)
104 		return -ENOMEM;
105 	card = priv->card;
106 
107 	/* Link both structures together */
108 	card->p_dev = link;
109 	link->priv = priv;
110 
111 	ret = orinoco_cs_config(link);
112 	if (ret)
113 		goto err_free_orinocodev;
114 
115 	return 0;
116 
117 err_free_orinocodev:
118 	free_orinocodev(priv);
119 	return ret;
120 }
121 
orinoco_cs_detach(struct pcmcia_device * link)122 static void orinoco_cs_detach(struct pcmcia_device *link)
123 {
124 	struct orinoco_private *priv = link->priv;
125 
126 	orinoco_if_del(priv);
127 
128 	orinoco_cs_release(link);
129 
130 	wiphy_unregister(priv_to_wiphy(priv));
131 	free_orinocodev(priv);
132 }				/* orinoco_cs_detach */
133 
orinoco_cs_config_check(struct pcmcia_device * p_dev,void * priv_data)134 static int orinoco_cs_config_check(struct pcmcia_device *p_dev, void *priv_data)
135 {
136 	if (p_dev->config_index == 0)
137 		return -EINVAL;
138 
139 	return pcmcia_request_io(p_dev);
140 };
141 
142 static int
orinoco_cs_config(struct pcmcia_device * link)143 orinoco_cs_config(struct pcmcia_device *link)
144 {
145 	struct orinoco_private *priv = link->priv;
146 	struct hermes *hw = &priv->hw;
147 	int ret;
148 	void __iomem *mem;
149 
150 	link->config_flags |= CONF_AUTO_SET_VPP | CONF_AUTO_CHECK_VCC |
151 		CONF_AUTO_SET_IO | CONF_ENABLE_IRQ;
152 	if (ignore_cis_vcc)
153 		link->config_flags &= ~CONF_AUTO_CHECK_VCC;
154 	ret = pcmcia_loop_config(link, orinoco_cs_config_check, NULL);
155 	if (ret) {
156 		if (!ignore_cis_vcc)
157 			printk(KERN_ERR PFX "GetNextTuple(): No matching "
158 			       "CIS configuration.  Maybe you need the "
159 			       "ignore_cis_vcc=1 parameter.\n");
160 		goto failed;
161 	}
162 
163 	mem = ioport_map(link->resource[0]->start,
164 			resource_size(link->resource[0]));
165 	if (!mem)
166 		goto failed;
167 
168 	/* We initialize the hermes structure before completing PCMCIA
169 	 * configuration just in case the interrupt handler gets
170 	 * called. */
171 	hermes_struct_init(hw, mem, HERMES_16BIT_REGSPACING);
172 
173 	ret = pcmcia_request_irq(link, orinoco_interrupt);
174 	if (ret)
175 		goto failed;
176 
177 	ret = pcmcia_enable_device(link);
178 	if (ret)
179 		goto failed;
180 
181 	/* Initialise the main driver */
182 	if (orinoco_init(priv) != 0) {
183 		printk(KERN_ERR PFX "orinoco_init() failed\n");
184 		goto failed;
185 	}
186 
187 	/* Register an interface with the stack */
188 	if (orinoco_if_add(priv, link->resource[0]->start,
189 			   link->irq, NULL) != 0) {
190 		printk(KERN_ERR PFX "orinoco_if_add() failed\n");
191 		goto failed;
192 	}
193 
194 	return 0;
195 
196  failed:
197 	orinoco_cs_release(link);
198 	return -ENODEV;
199 }				/* orinoco_cs_config */
200 
201 static void
orinoco_cs_release(struct pcmcia_device * link)202 orinoco_cs_release(struct pcmcia_device *link)
203 {
204 	struct orinoco_private *priv = link->priv;
205 	unsigned long flags;
206 
207 	/* We're committed to taking the device away now, so mark the
208 	 * hardware as unavailable */
209 	priv->hw.ops->lock_irqsave(&priv->lock, &flags);
210 	priv->hw_unavailable++;
211 	priv->hw.ops->unlock_irqrestore(&priv->lock, &flags);
212 
213 	pcmcia_disable_device(link);
214 	if (priv->hw.iobase)
215 		ioport_unmap(priv->hw.iobase);
216 }				/* orinoco_cs_release */
217 
orinoco_cs_suspend(struct pcmcia_device * link)218 static int orinoco_cs_suspend(struct pcmcia_device *link)
219 {
220 	struct orinoco_private *priv = link->priv;
221 	struct orinoco_pccard *card = priv->card;
222 
223 	/* This is probably racy, but I can't think of
224 	   a better way, short of rewriting the PCMCIA
225 	   layer to not suck :-( */
226 	if (!test_bit(0, &card->hard_reset_in_progress))
227 		orinoco_down(priv);
228 
229 	return 0;
230 }
231 
orinoco_cs_resume(struct pcmcia_device * link)232 static int orinoco_cs_resume(struct pcmcia_device *link)
233 {
234 	struct orinoco_private *priv = link->priv;
235 	struct orinoco_pccard *card = priv->card;
236 	int err = 0;
237 
238 	if (!test_bit(0, &card->hard_reset_in_progress))
239 		err = orinoco_up(priv);
240 
241 	return err;
242 }
243 
244 
245 /********************************************************************/
246 /* Module initialization					    */
247 /********************************************************************/
248 
249 static const struct pcmcia_device_id orinoco_cs_ids[] = {
250 	PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777), /* 3Com AirConnect PCI 777A */
251 	PCMCIA_DEVICE_MANF_CARD(0x016b, 0x0001), /* Ericsson WLAN Card C11 */
252 	PCMCIA_DEVICE_MANF_CARD(0x01eb, 0x080a), /* Nortel Networks eMobility 802.11 Wireless Adapter */
253 	PCMCIA_DEVICE_MANF_CARD(0x0261, 0x0002), /* AirWay 802.11 Adapter (PCMCIA) */
254 	PCMCIA_DEVICE_MANF_CARD(0x0268, 0x0001), /* ARtem Onair */
255 	PCMCIA_DEVICE_MANF_CARD(0x0268, 0x0003), /* ARtem Onair Comcard 11 */
256 	PCMCIA_DEVICE_MANF_CARD(0x026f, 0x0305), /* Buffalo WLI-PCM-S11 */
257 	PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002), /* ASUS SpaceLink WL-100 */
258 	PCMCIA_DEVICE_MANF_CARD(0x02ac, 0x0002), /* SpeedStream SS1021 Wireless Adapter */
259 	PCMCIA_DEVICE_MANF_CARD(0x02ac, 0x3021), /* SpeedStream Wireless Adapter */
260 	PCMCIA_DEVICE_MANF_CARD(0x14ea, 0xb001), /* PLANEX RoadLannerWave GW-NS11H */
261 	PCMCIA_DEVICE_PROD_ID12("3Com", "3CRWE737A AirConnect Wireless LAN PC Card", 0x41240e5b, 0x56010af3),
262 	PCMCIA_DEVICE_PROD_ID12("Allied Telesyn", "AT-WCL452 Wireless PCMCIA Radio", 0x5cd01705, 0x4271660f),
263 	PCMCIA_DEVICE_PROD_ID12("ASUS", "802_11B_CF_CARD_25", 0x78fc06ee, 0x45a50c1e),
264 	PCMCIA_DEVICE_PROD_ID12("ASUS", "802_11b_PC_CARD_25", 0x78fc06ee, 0xdb9aa842),
265 	PCMCIA_DEVICE_PROD_ID12("Avaya Communication", "Avaya Wireless PC Card", 0xd8a43b78, 0x0d341169),
266 	PCMCIA_DEVICE_PROD_ID12("BENQ", "AWL100 PCMCIA ADAPTER", 0x35dadc74, 0x01f7fedb),
267 	PCMCIA_DEVICE_PROD_ID12("Cabletron", "RoamAbout 802.11 DS", 0x32d445f5, 0xedeffd90),
268 	PCMCIA_DEVICE_PROD_ID12("D-Link Corporation", "D-Link DWL-650H 11Mbps WLAN Adapter", 0xef544d24, 0xcd8ea916),
269 	PCMCIA_DEVICE_PROD_ID12("ELSA", "AirLancer MC-11", 0x4507a33a, 0xef54f0e3),
270 	PCMCIA_DEVICE_PROD_ID12("HyperLink", "Wireless PC Card 11Mbps", 0x56cc3f1a, 0x0bcf220c),
271 	PCMCIA_DEVICE_PROD_ID12("Intel", "PRO/Wireless 2011 LAN PC Card", 0x816cc815, 0x07f58077),
272 	PCMCIA_DEVICE_PROD_ID12("LeArtery", "SYNCBYAIR 11Mbps Wireless LAN PC Card", 0x7e3b326a, 0x49893e92),
273 	PCMCIA_DEVICE_PROD_ID12("Lucent Technologies", "WaveLAN/IEEE", 0x23eb9949, 0xc562e72a),
274 	PCMCIA_DEVICE_PROD_ID12("MELCO", "WLI-PCM-L11", 0x481e0094, 0x7360e410),
275 	PCMCIA_DEVICE_PROD_ID12("MELCO", "WLI-PCM-L11G", 0x481e0094, 0xf57ca4b3),
276 	PCMCIA_DEVICE_PROD_ID12("NCR", "WaveLAN/IEEE", 0x24358cd4, 0xc562e72a),
277 	PCMCIA_DEVICE_PROD_ID12("Nortel Networks", "emobility 802.11 Wireless LAN PC Card", 0x2d617ea0, 0x88cd5767),
278 	PCMCIA_DEVICE_PROD_ID12("OTC", "Wireless AirEZY 2411-PCC WLAN Card", 0x4ac44287, 0x235a6bed),
279 	PCMCIA_DEVICE_PROD_ID12("PROXIM", "LAN PC CARD HARMONY 80211B", 0xc6536a5e, 0x090c3cd9),
280 	PCMCIA_DEVICE_PROD_ID12("PROXIM", "LAN PCI CARD HARMONY 80211B", 0xc6536a5e, 0x9f494e26),
281 	PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "11Mbps WLAN Card", 0x43d74cb4, 0x579bd91b),
282 	PCMCIA_DEVICE_PROD_ID12("Symbol Technologies", "LA4111 Spectrum24 Wireless LAN PC Card", 0x3f02b4d6, 0x3663cb0e),
283 	PCMCIA_DEVICE_MANF_CARD_PROD_ID3(0x0156, 0x0002, "Version 01.01", 0xd27deb1a), /* Lucent Orinoco */
284 #ifdef CONFIG_HERMES_PRISM
285 	/* Only entries that certainly identify Prism chipset */
286 	PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100), /* SonicWALL Long Range Wireless Card */
287 	PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300), /* Sohoware NCP110, Philips 802.11b */
288 	PCMCIA_DEVICE_MANF_CARD(0x0089, 0x0002), /* AnyPoint(TM) Wireless II PC Card */
289 	PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000), /* PROXIM RangeLAN-DS/LAN PC CARD */
290 	PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002), /* Compaq WL100 11 Mbps Wireless Adapter */
291 	PCMCIA_DEVICE_MANF_CARD(0x01ff, 0x0008), /* Intermec MobileLAN 11Mbps 802.11b WLAN Card */
292 	PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002), /* Samsung SWL2000-N 11Mb/s WLAN Card */
293 	PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612), /* Linksys WPC11 Version 2.5 */
294 	PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613), /* Linksys WPC11 Version 3 */
295 	PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002), /* Compaq HNW-100 11 Mbps Wireless Adapter */
296 	PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0673), /* Linksys WCF12 Wireless CompactFlash Card */
297 	PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300), /* Airvast WN-100 */
298 	PCMCIA_DEVICE_MANF_CARD(0x9005, 0x0021), /* Adaptec Ultra Wireless ANW-8030 */
299 	PCMCIA_DEVICE_MANF_CARD(0xc001, 0x0008), /* CONTEC FLEXSCAN/FX-DDS110-PCC */
300 	PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002), /* Conceptronic CON11Cpro, EMTAC A2424i */
301 	PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002), /* Safeway 802.11b, ZCOMAX AirRunner/XI-300 */
302 	PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005), /* D-Link DCF660, Sandisk Connect SDWCFB-000 */
303 	PCMCIA_DEVICE_PROD_ID123("Instant Wireless ", " Network PC CARD", "Version 01.02", 0x11d901af, 0x6e9bd926, 0x4b74baa0),
304 	PCMCIA_DEVICE_PROD_ID12("ACTIONTEC", "PRISM Wireless LAN PC Card", 0x393089da, 0xa71e69d5),
305 	PCMCIA_DEVICE_PROD_ID12("Addtron", "AWP-100 Wireless PCMCIA", 0xe6ec52ce, 0x08649af2),
306 	PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G", 0x2decece3, 0x82067c18),
307 	PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-PCM-L11G", 0x2decece3, 0xf57ca4b3),
308 	PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card", 0x54f7c49c, 0x15a75e5b),
309 	PCMCIA_DEVICE_PROD_ID12("corega K.K.", "Wireless LAN PCC-11", 0x5261440f, 0xa6405584),
310 	PCMCIA_DEVICE_PROD_ID12("corega K.K.", "Wireless LAN PCCA-11", 0x5261440f, 0xdf6115f9),
311 	PCMCIA_DEVICE_PROD_ID12("corega_K.K.", "Wireless_LAN_PCCB-11", 0x29e33311, 0xee7a27ae),
312 	PCMCIA_DEVICE_PROD_ID12("Digital Data Communications", "WPC-0100", 0xfdd73470, 0xe0b6f146),
313 	PCMCIA_DEVICE_PROD_ID12("D", "Link DRC-650 11Mbps WLAN Card", 0x71b18589, 0xf144e3ac),
314 	PCMCIA_DEVICE_PROD_ID12("D", "Link DWL-650 11Mbps WLAN Card", 0x71b18589, 0xb6f1b0ab),
315 	PCMCIA_DEVICE_PROD_ID12(" ", "IEEE 802.11 Wireless LAN/PC Card", 0x3b6e20c8, 0xefccafe9),
316 	PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE", 0x74c5e40d, 0xdb472a18),
317 	PCMCIA_DEVICE_PROD_ID12("INTERSIL", "I-GATE 11M PC Card / PC Card plus", 0x74c5e40d, 0x8304ff77),
318 	PCMCIA_DEVICE_PROD_ID12("Intersil", "PRISM 2_5 PCMCIA ADAPTER", 0x4b801a17, 0x6345a0bf),
319 	PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card", 0x0733cc81, 0x0c52f395),
320 	PCMCIA_DEVICE_PROD_ID12("Microsoft", "Wireless Notebook Adapter MN-520", 0x5961bf85, 0x6eec8c01),
321 	PCMCIA_DEVICE_PROD_ID12("NETGEAR MA401RA Wireless PC", "Card", 0x0306467f, 0x9762e8f1),
322 	PCMCIA_DEVICE_PROD_ID12("NETGEAR MA401 Wireless PC", "Card", 0xa37434e9, 0x9762e8f1),
323 	PCMCIA_DEVICE_PROD_ID12("OEM", "PRISM2 IEEE 802.11 PC-Card", 0xfea54c90, 0x48f2bdd6),
324 	PCMCIA_DEVICE_PROD_ID12("PLANEX", "GeoWave/GW-CF110", 0x209f40ab, 0xd9715264),
325 	PCMCIA_DEVICE_PROD_ID12("PLANEX", "GeoWave/GW-NS110", 0x209f40ab, 0x46263178),
326 	PCMCIA_DEVICE_PROD_ID12("SMC", "SMC2532W-B EliteConnect Wireless Adapter", 0xc4f8b18b, 0x196bd757),
327 	PCMCIA_DEVICE_PROD_ID12("SMC", "SMC2632W", 0xc4f8b18b, 0x474a1f2a),
328 	PCMCIA_DEVICE_PROD_ID12("ZoomAir 11Mbps High", "Rate wireless Networking", 0x273fe3db, 0x32a1eaee),
329 	PCMCIA_DEVICE_PROD_ID3("HFA3863", 0x355cb092),
330 	PCMCIA_DEVICE_PROD_ID3("ISL37100P", 0x630d52b2),
331 	PCMCIA_DEVICE_PROD_ID3("ISL37101P-10", 0xdd97a26b),
332 	PCMCIA_DEVICE_PROD_ID3("ISL37300P", 0xc9049a39),
333 
334 	/* This may be Agere or Intersil Firmware */
335 	PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0002),
336 #endif
337 	PCMCIA_DEVICE_NULL,
338 };
339 MODULE_DEVICE_TABLE(pcmcia, orinoco_cs_ids);
340 
341 static struct pcmcia_driver orinoco_driver = {
342 	.owner		= THIS_MODULE,
343 	.name		= DRIVER_NAME,
344 	.probe		= orinoco_cs_probe,
345 	.remove		= orinoco_cs_detach,
346 	.id_table       = orinoco_cs_ids,
347 	.suspend	= orinoco_cs_suspend,
348 	.resume		= orinoco_cs_resume,
349 };
350 module_pcmcia_driver(orinoco_driver);
351