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1.1 root 1: /* orinoco_cs.c 0.13e - (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 orinoco.c
11: */
12:
13: #include <linux/config.h>
14: #include <linux/module.h>
15: #include <linux/kernel.h>
16: #include <linux/init.h>
17: #include <linux/sched.h>
18: #include <linux/ptrace.h>
19: #include <linux/slab.h>
20: #include <linux/string.h>
21: #include <linux/ioport.h>
22: #include <linux/netdevice.h>
23: #include <linux/if_arp.h>
24: #include <linux/etherdevice.h>
25: #include <linux/wireless.h>
26:
27: #include <pcmcia/version.h>
28: #include <pcmcia/cs_types.h>
29: #include <pcmcia/cs.h>
30: #include <pcmcia/cistpl.h>
31: #include <pcmcia/cisreg.h>
32: #include <pcmcia/ds.h>
33:
34: #include <asm/uaccess.h>
35: #include <asm/io.h>
36: #include <asm/system.h>
37:
38: #include "orinoco.h"
39:
40: /********************************************************************/
41: /* Module stuff */
42: /********************************************************************/
43:
44: MODULE_AUTHOR("David Gibson <[email protected]>");
45: MODULE_DESCRIPTION("Driver for PCMCIA Lucent Orinoco, Prism II based and similar wireless cards");
46: #ifdef MODULE_LICENSE
47: MODULE_LICENSE("Dual MPL/GPL");
48: #endif
49:
50: /* Module parameters */
51:
52: /* The old way: bit map of interrupts to choose from */
53: /* This means pick from 15, 14, 12, 11, 10, 9, 7, 5, 4, and 3 */
54: static uint irq_mask = 0xdeb8;
55: /* Newer, simpler way of listing specific interrupts */
56: static int irq_list[4] = { -1 };
57:
58: /* Some D-Link cards have buggy CIS. They do work at 5v properly, but
59: * don't have any CIS entry for it. This workaround it... */
60: static int ignore_cis_vcc; /* = 0 */
61:
62: MODULE_PARM(irq_mask, "i");
63: MODULE_PARM(irq_list, "1-4i");
64: MODULE_PARM(ignore_cis_vcc, "i");
65:
66: /********************************************************************/
67: /* Magic constants */
68: /********************************************************************/
69:
70: /*
71: * The dev_info variable is the "key" that is used to match up this
72: * device driver with appropriate cards, through the card
73: * configuration database.
74: */
75: static dev_info_t dev_info = "orinoco_cs";
76:
77: /********************************************************************/
78: /* Data structures */
79: /********************************************************************/
80:
81: /* PCMCIA specific device information (goes in the card field of
82: * struct orinoco_private */
83: struct orinoco_pccard {
84: dev_link_t link;
85: dev_node_t node;
86:
87: /* Used to handle hard reset */
88: /* yuck, we need this hack to work around the insanity of the
89: * PCMCIA layer */
90: unsigned long hard_reset_in_progress;
91: };
92:
93: /*
94: * A linked list of "instances" of the device. Each actual PCMCIA
95: * card corresponds to one device instance, and is described by one
96: * dev_link_t structure (defined in ds.h).
97: */
98: static dev_link_t *dev_list; /* = NULL */
99:
100: /********************************************************************/
101: /* Function prototypes */
102: /********************************************************************/
103:
104: /* device methods */
105: static int orinoco_cs_hard_reset(struct orinoco_private *priv);
106:
107: /* PCMCIA gumpf */
108: static void orinoco_cs_config(dev_link_t * link);
109: static void orinoco_cs_release(u_long arg);
110: static int orinoco_cs_event(event_t event, int priority,
111: event_callback_args_t * args);
112:
113: static dev_link_t *orinoco_cs_attach(void);
114: static void orinoco_cs_detach(dev_link_t *);
115:
116: /********************************************************************/
117: /* Device methods */
118: /********************************************************************/
119:
120: static int
121: orinoco_cs_hard_reset(struct orinoco_private *priv)
122: {
123: struct orinoco_pccard *card = priv->card;
124: dev_link_t *link = &card->link;
125: int err;
126:
127: /* We need atomic ops here, because we're not holding the lock */
128: set_bit(0, &card->hard_reset_in_progress);
129:
130: err = CardServices(ResetCard, link->handle, NULL);
131: if (err)
132: return err;
133:
134: clear_bit(0, &card->hard_reset_in_progress);
135:
136: return 0;
137: }
138:
139: /********************************************************************/
140: /* PCMCIA stuff */
141: /********************************************************************/
142:
143: /* In 2.5 (as of 2.5.69 at least) there is a cs_error exported which
144: * does this, but it's not in 2.4 so we do our own for now. */
145: static void
146: orinoco_cs_error(client_handle_t handle, int func, int ret)
147: {
148: error_info_t err = { func, ret };
149: CardServices(ReportError, handle, &err);
150: }
151:
152:
153: /* Remove zombie instances (card removed, detach pending) */
154: static void
155: flush_stale_links(void)
156: {
157: dev_link_t *link, *next;
158:
159: TRACE_ENTER("");
160:
161: for (link = dev_list; link; link = next) {
162: next = link->next;
163: if (link->state & DEV_STALE_LINK) {
164: orinoco_cs_detach(link);
165: }
166: }
167: TRACE_EXIT("");
168: }
169:
170: /*
171: * This creates an "instance" of the driver, allocating local data
172: * structures for one device. The device is registered with Card
173: * Services.
174: *
175: * The dev_link structure is initialized, but we don't actually
176: * configure the card at this point -- we wait until we receive a card
177: * insertion event. */
178: static dev_link_t *
179: orinoco_cs_attach(void)
180: {
181: struct net_device *dev;
182: struct orinoco_private *priv;
183: struct orinoco_pccard *card;
184: dev_link_t *link;
185: client_reg_t client_reg;
186: int ret, i;
187:
188: /* A bit of cleanup */
189: flush_stale_links();
190:
191: dev = alloc_orinocodev(sizeof(*card), orinoco_cs_hard_reset);
192: if (! dev)
193: return NULL;
194: priv = dev->priv;
195: card = priv->card;
196:
197: /* Link both structures together */
198: link = &card->link;
199: link->priv = dev;
200:
201: /* Initialize the dev_link_t structure */
202: init_timer(&link->release);
203: link->release.function = &orinoco_cs_release;
204: link->release.data = (u_long) link;
205:
206: /* Interrupt setup */
207: link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
208: link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID;
209: if (irq_list[0] == -1)
210: link->irq.IRQInfo2 = irq_mask;
211: else
212: for (i = 0; i < 4; i++)
213: link->irq.IRQInfo2 |= 1 << irq_list[i];
214: link->irq.Handler = NULL;
215:
216: /* General socket configuration defaults can go here. In this
217: * client, we assume very little, and rely on the CIS for
218: * almost everything. In most clients, many details (i.e.,
219: * number, sizes, and attributes of IO windows) are fixed by
220: * the nature of the device, and can be hard-wired here. */
221: link->conf.Attributes = 0;
222: link->conf.IntType = INT_MEMORY_AND_IO;
223:
224: /* Register with Card Services */
225: /* FIXME: need a lock? */
226: link->next = dev_list;
227: dev_list = link;
228:
229: client_reg.dev_info = &dev_info;
230: client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE;
231: client_reg.EventMask =
232: CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
233: CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
234: CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
235: client_reg.event_handler = &orinoco_cs_event;
236: client_reg.Version = 0x0210; /* FIXME: what does this mean? */
237: client_reg.event_callback_args.client_data = link;
238:
239: ret = CardServices(RegisterClient, &link->handle, &client_reg);
240: if (ret != CS_SUCCESS) {
241: orinoco_cs_error(link->handle, RegisterClient, ret);
242: orinoco_cs_detach(link);
243: return NULL;
244: }
245:
246: return link;
247: } /* orinoco_cs_attach */
248:
249: /*
250: * This deletes a driver "instance". The device is de-registered with
251: * Card Services. If it has been released, all local data structures
252: * are freed. Otherwise, the structures will be freed when the device
253: * is released.
254: */
255: static void
256: orinoco_cs_detach(dev_link_t * link)
257: {
258: dev_link_t **linkp;
259: struct net_device *dev = link->priv;
260:
261: /* Locate device structure */
262: for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
263: if (*linkp == link)
264: break;
265: if (*linkp == NULL) {
266: BUG();
267: return;
268: }
269:
270: if (link->state & DEV_CONFIG) {
271: orinoco_cs_release((u_long)link);
272: if (link->state & DEV_CONFIG) {
273: link->state |= DEV_STALE_LINK;
274: return;
275: }
276: }
277:
278: /* Break the link with Card Services */
279: if (link->handle)
280: CardServices(DeregisterClient, link->handle);
281:
282: /* Unlink device structure, and free it */
283: *linkp = link->next;
284: DEBUG(0, "orinoco_cs: detach: link=%p link->dev=%p\n", link, link->dev);
285: if (link->dev) {
286: DEBUG(0, "orinoco_cs: About to unregister net device %p\n",
287: dev);
288: unregister_netdev(dev);
289: }
290: kfree(dev);
291: } /* orinoco_cs_detach */
292:
293: /*
294: * orinoco_cs_config() is scheduled to run after a CARD_INSERTION
295: * event is received, to configure the PCMCIA socket, and to make the
296: * device available to the system.
297: */
298:
299: #define CS_CHECK(fn, args...) \
300: while ((last_ret=CardServices(last_fn=(fn),args))!=0) goto cs_failed
301:
302: #define CFG_CHECK(fn, args...) \
303: if (CardServices(fn, args) != 0) goto next_entry
304:
305: static void
306: orinoco_cs_config(dev_link_t *link)
307: {
308: struct net_device *dev = link->priv;
309: client_handle_t handle = link->handle;
310: struct orinoco_private *priv = dev->priv;
311: struct orinoco_pccard *card = priv->card;
312: hermes_t *hw = &priv->hw;
313: int last_fn, last_ret;
314: u_char buf[64];
315: config_info_t conf;
316: cisinfo_t info;
317: tuple_t tuple;
318: cisparse_t parse;
319:
320: CS_CHECK(ValidateCIS, handle, &info);
321:
322: /*
323: * This reads the card's CONFIG tuple to find its
324: * configuration registers.
325: */
326: tuple.DesiredTuple = CISTPL_CONFIG;
327: tuple.Attributes = 0;
328: tuple.TupleData = buf;
329: tuple.TupleDataMax = sizeof(buf);
330: tuple.TupleOffset = 0;
331: CS_CHECK(GetFirstTuple, handle, &tuple);
332: CS_CHECK(GetTupleData, handle, &tuple);
333: CS_CHECK(ParseTuple, handle, &tuple, &parse);
334: link->conf.ConfigBase = parse.config.base;
335: link->conf.Present = parse.config.rmask[0];
336:
337: /* Configure card */
338: link->state |= DEV_CONFIG;
339:
340: /* Look up the current Vcc */
341: CS_CHECK(GetConfigurationInfo, handle, &conf);
342: link->conf.Vcc = conf.Vcc;
343:
344: /*
345: * In this loop, we scan the CIS for configuration table
346: * entries, each of which describes a valid card
347: * configuration, including voltage, IO window, memory window,
348: * and interrupt settings.
349: *
350: * We make no assumptions about the card to be configured: we
351: * use just the information available in the CIS. In an ideal
352: * world, this would work for any PCMCIA card, but it requires
353: * a complete and accurate CIS. In practice, a driver usually
354: * "knows" most of these things without consulting the CIS,
355: * and most client drivers will only use the CIS to fill in
356: * implementation-defined details.
357: */
358: tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
359: CS_CHECK(GetFirstTuple, handle, &tuple);
360: while (1) {
361: cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
362: cistpl_cftable_entry_t dflt = { .index = 0 };
363:
364: CFG_CHECK(GetTupleData, handle, &tuple);
365: CFG_CHECK(ParseTuple, handle, &tuple, &parse);
366:
367: if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
368: dflt = *cfg;
369: if (cfg->index == 0)
370: goto next_entry;
371: link->conf.ConfigIndex = cfg->index;
372:
373: /* Does this card need audio output? */
374: if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
375: link->conf.Attributes |= CONF_ENABLE_SPKR;
376: link->conf.Status = CCSR_AUDIO_ENA;
377: }
378:
379: /* Use power settings for Vcc and Vpp if present */
380: /* Note that the CIS values need to be rescaled */
381: if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
382: if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) {
383: DEBUG(2, "orinoco_cs_config: Vcc mismatch (conf.Vcc = %d, CIS = %d)\n", conf.Vcc, cfg->vcc.param[CISTPL_POWER_VNOM] / 10000);
384: if (!ignore_cis_vcc)
385: goto next_entry;
386: }
387: } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
388: if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] / 10000) {
389: DEBUG(2, "orinoco_cs_config: Vcc mismatch (conf.Vcc = %d, CIS = %d)\n", conf.Vcc, dflt.vcc.param[CISTPL_POWER_VNOM] / 10000);
390: if(!ignore_cis_vcc)
391: goto next_entry;
392: }
393: }
394:
395: if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
396: link->conf.Vpp1 = link->conf.Vpp2 =
397: cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
398: else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
399: link->conf.Vpp1 = link->conf.Vpp2 =
400: dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
401:
402: /* Do we need to allocate an interrupt? */
403: if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
404: link->conf.Attributes |= CONF_ENABLE_IRQ;
405:
406: /* IO window settings */
407: link->io.NumPorts1 = link->io.NumPorts2 = 0;
408: if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
409: cistpl_io_t *io =
410: (cfg->io.nwin) ? &cfg->io : &dflt.io;
411: link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
412: if (!(io->flags & CISTPL_IO_8BIT))
413: link->io.Attributes1 =
414: IO_DATA_PATH_WIDTH_16;
415: if (!(io->flags & CISTPL_IO_16BIT))
416: link->io.Attributes1 =
417: IO_DATA_PATH_WIDTH_8;
418: link->io.IOAddrLines =
419: io->flags & CISTPL_IO_LINES_MASK;
420: link->io.BasePort1 = io->win[0].base;
421: link->io.NumPorts1 = io->win[0].len;
422: if (io->nwin > 1) {
423: link->io.Attributes2 =
424: link->io.Attributes1;
425: link->io.BasePort2 = io->win[1].base;
426: link->io.NumPorts2 = io->win[1].len;
427: }
428:
429: /* This reserves IO space but doesn't actually enable it */
430: CFG_CHECK(RequestIO, link->handle, &link->io);
431: }
432:
433:
434: /* If we got this far, we're cool! */
435:
436: break;
437:
438: next_entry:
439: if (link->io.NumPorts1)
440: CardServices(ReleaseIO, link->handle, &link->io);
441: last_ret = CardServices(GetNextTuple, handle, &tuple);
442: if (last_ret == CS_NO_MORE_ITEMS) {
443: printk(KERN_ERR "GetNextTuple(). No matching CIS configuration, "
444: "maybe you need the ignore_cis_vcc=1 parameter.\n");
445: goto cs_failed;
446: }
447: }
448:
449: /*
450: * Allocate an interrupt line. Note that this does not assign
451: * a handler to the interrupt, unless the 'Handler' member of
452: * the irq structure is initialized.
453: */
454: if (link->conf.Attributes & CONF_ENABLE_IRQ) {
455: int i;
456:
457: link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
458: link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID;
459: if (irq_list[0] == -1)
460: link->irq.IRQInfo2 = irq_mask;
461: else
462: for (i=0; i<4; i++)
463: link->irq.IRQInfo2 |= 1 << irq_list[i];
464:
465: link->irq.Handler = orinoco_interrupt;
466: link->irq.Instance = dev;
467:
468: CS_CHECK(RequestIRQ, link->handle, &link->irq);
469: }
470:
471: /* We initialize the hermes structure before completing PCMCIA
472: * configuration just in case the interrupt handler gets
473: * called. */
474: hermes_struct_init(hw, link->io.BasePort1,
475: HERMES_IO, HERMES_16BIT_REGSPACING);
476:
477: /*
478: * This actually configures the PCMCIA socket -- setting up
479: * the I/O windows and the interrupt mapping, and putting the
480: * card and host interface into "Memory and IO" mode.
481: */
482: CS_CHECK(RequestConfiguration, link->handle, &link->conf);
483:
484: /* Ok, we have the configuration, prepare to register the netdev */
485: dev->base_addr = link->io.BasePort1;
486: dev->irq = link->irq.AssignedIRQ;
487: SET_MODULE_OWNER(dev);
488: card->node.major = card->node.minor = 0;
489:
490: /* register_netdev will give us an ethX name */
491: dev->name[0] = '\0';
492: /* Tell the stack we exist */
493: if (register_netdev(dev) != 0) {
494: printk(KERN_ERR "orinoco_cs: register_netdev() failed\n");
495: goto failed;
496: }
497:
498: /* At this point, the dev_node_t structure(s) needs to be
499: * initialized and arranged in a linked list at link->dev. */
500: strcpy(card->node.dev_name, dev->name);
501: link->dev = &card->node; /* link->dev being non-NULL is also
502: used to indicate that the
503: net_device has been registered */
504: link->state &= ~DEV_CONFIG_PENDING;
505:
506: /* Finally, report what we've done */
507: printk(KERN_DEBUG "%s: index 0x%02x: Vcc %d.%d",
508: dev->name, link->conf.ConfigIndex,
509: link->conf.Vcc / 10, link->conf.Vcc % 10);
510: if (link->conf.Vpp1)
511: printk(", Vpp %d.%d", link->conf.Vpp1 / 10,
512: link->conf.Vpp1 % 10);
513: if (link->conf.Attributes & CONF_ENABLE_IRQ)
514: printk(", irq %d", link->irq.AssignedIRQ);
515: if (link->io.NumPorts1)
516: printk(", io 0x%04x-0x%04x", link->io.BasePort1,
517: link->io.BasePort1 + link->io.NumPorts1 - 1);
518: if (link->io.NumPorts2)
519: printk(" & 0x%04x-0x%04x", link->io.BasePort2,
520: link->io.BasePort2 + link->io.NumPorts2 - 1);
521: printk("\n");
522:
523: return;
524:
525: cs_failed:
526: orinoco_cs_error(link->handle, last_fn, last_ret);
527:
528: failed:
529: orinoco_cs_release((u_long) link);
530: } /* orinoco_cs_config */
531:
532: /*
533: * After a card is removed, orinoco_cs_release() will unregister the
534: * device, and release the PCMCIA configuration. If the device is
535: * still open, this will be postponed until it is closed.
536: */
537: static void
538: orinoco_cs_release(u_long arg)
539: {
540: dev_link_t *link = (dev_link_t *) arg;
541: struct net_device *dev = link->priv;
542: struct orinoco_private *priv = dev->priv;
543: unsigned long flags;
544:
545: /* We're committed to taking the device away now, so mark the
546: * hardware as unavailable */
547: spin_lock_irqsave(&priv->lock, flags);
548: priv->hw_unavailable++;
549: spin_unlock_irqrestore(&priv->lock, flags);
550:
551: /* Don't bother checking to see if these succeed or not */
552: CardServices(ReleaseConfiguration, link->handle);
553: if (link->io.NumPorts1)
554: CardServices(ReleaseIO, link->handle, &link->io);
555: if (link->irq.AssignedIRQ)
556: CardServices(ReleaseIRQ, link->handle, &link->irq);
557: link->state &= ~DEV_CONFIG;
558: } /* orinoco_cs_release */
559:
560: /*
561: * The card status event handler. Mostly, this schedules other stuff
562: * to run after an event is received.
563: */
564: static int
565: orinoco_cs_event(event_t event, int priority,
566: event_callback_args_t * args)
567: {
568: dev_link_t *link = args->client_data;
569: struct net_device *dev = link->priv;
570: struct orinoco_private *priv = dev->priv;
571: struct orinoco_pccard *card = priv->card;
572: int err = 0;
573: unsigned long flags;
574:
575: switch (event) {
576: case CS_EVENT_CARD_REMOVAL:
577: link->state &= ~DEV_PRESENT;
578: if (link->state & DEV_CONFIG) {
579: orinoco_lock(priv, &flags);
580:
581: netif_device_detach(dev);
582: priv->hw_unavailable++;
583:
584: orinoco_unlock(priv, &flags);
585: }
586: break;
587:
588: case CS_EVENT_CARD_INSERTION:
589: link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
590: orinoco_cs_config(link);
591: break;
592:
593: case CS_EVENT_PM_SUSPEND:
594: link->state |= DEV_SUSPEND;
595: /* Fall through... */
596: case CS_EVENT_RESET_PHYSICAL:
597: /* Mark the device as stopped, to block IO until later */
598: if (link->state & DEV_CONFIG) {
599: /* This is probably racy, but I can't think of
600: a better way, short of rewriting the PCMCIA
601: layer to not suck :-( */
602: if (! test_bit(0, &card->hard_reset_in_progress)) {
603: spin_lock_irqsave(&priv->lock, flags);
604:
605: err = __orinoco_down(dev);
606: if (err)
607: printk(KERN_WARNING "%s: %s: Error %d downing interface\n",
608: dev->name,
609: event == CS_EVENT_PM_SUSPEND ? "SUSPEND" : "RESET_PHYSICAL",
610: err);
611:
612: netif_device_detach(dev);
613: priv->hw_unavailable++;
614:
615: spin_unlock_irqrestore(&priv->lock, flags);
616: }
617:
618: CardServices(ReleaseConfiguration, link->handle);
619: }
620: break;
621:
622: case CS_EVENT_PM_RESUME:
623: link->state &= ~DEV_SUSPEND;
624: /* Fall through... */
625: case CS_EVENT_CARD_RESET:
626: if (link->state & DEV_CONFIG) {
627: /* FIXME: should we double check that this is
628: * the same card as we had before */
629: CardServices(RequestConfiguration, link->handle,
630: &link->conf);
631:
632: if (! test_bit(0, &card->hard_reset_in_progress)) {
633: err = orinoco_reinit_firmware(dev);
634: if (err) {
635: printk(KERN_ERR "%s: Error %d re-initializing firmware\n",
636: dev->name, err);
637: break;
638: }
639:
640: spin_lock_irqsave(&priv->lock, flags);
641:
642: netif_device_attach(dev);
643: priv->hw_unavailable--;
644:
645: if (priv->open && ! priv->hw_unavailable) {
646: err = __orinoco_up(dev);
647: if (err)
648: printk(KERN_ERR "%s: Error %d restarting card\n",
649: dev->name, err);
650:
651: }
652:
653: spin_unlock_irqrestore(&priv->lock, flags);
654: }
655: }
656: break;
657: }
658:
659: return err;
660: } /* orinoco_cs_event */
661:
662: /********************************************************************/
663: /* Module initialization */
664: /********************************************************************/
665:
666: /* Can't be declared "const" or the whole __initdata section will
667: * become const */
668: static char version[] __initdata = "orinoco_cs.c 0.13e (David Gibson <[email protected]> and others)";
669:
670: static int __init
671: init_orinoco_cs(void)
672: {
673: servinfo_t serv;
674:
675: printk(KERN_DEBUG "%s\n", version);
676:
677: CardServices(GetCardServicesInfo, &serv);
678: if (serv.Revision != CS_RELEASE_CODE) {
679: printk(KERN_NOTICE "orinoco_cs: Card Services release "
680: "does not match!\n");
681: return -EINVAL;
682: }
683:
684: register_pccard_driver(&dev_info, &orinoco_cs_attach, &orinoco_cs_detach);
685:
686: return 0;
687: }
688:
689: static void __exit
690: exit_orinoco_cs(void)
691: {
692: unregister_pccard_driver(&dev_info);
693:
694: if (dev_list)
695: DEBUG(0, "orinoco_cs: Removing leftover devices.\n");
696: while (dev_list != NULL) {
697: if (dev_list->state & DEV_CONFIG)
698: orinoco_cs_release((u_long) dev_list);
699: orinoco_cs_detach(dev_list);
700: }
701: }
702:
703: module_init(init_orinoco_cs);
704: module_exit(exit_orinoco_cs);
705:
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