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[linux-2.6.git] / drivers / net / wireless / hostap / hostap_cs.c
1 #define PRISM2_PCCARD
2
3 #include <linux/config.h>
4 #include <linux/module.h>
5 #include <linux/init.h>
6 #include <linux/if.h>
7 #include <linux/wait.h>
8 #include <linux/timer.h>
9 #include <linux/skbuff.h>
10 #include <linux/netdevice.h>
11 #include <linux/workqueue.h>
12 #include <linux/wireless.h>
13 #include <net/iw_handler.h>
14
15 #include <pcmcia/cs_types.h>
16 #include <pcmcia/cs.h>
17 #include <pcmcia/cistpl.h>
18 #include <pcmcia/cisreg.h>
19 #include <pcmcia/ds.h>
20
21 #include <asm/io.h>
22
23 #include "hostap_wlan.h"
24
25
26 static char *version = PRISM2_VERSION " (Jouni Malinen <jkmaline@cc.hut.fi>)";
27 static dev_info_t dev_info = "hostap_cs";
28 static dev_link_t *dev_list = NULL;
29
30 MODULE_AUTHOR("Jouni Malinen");
31 MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN "
32                    "cards (PC Card).");
33 MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)");
34 MODULE_LICENSE("GPL");
35 MODULE_VERSION(PRISM2_VERSION);
36
37
38 static int ignore_cis_vcc;
39 module_param(ignore_cis_vcc, int, 0444);
40 MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry");
41
42
43 #ifdef PRISM2_IO_DEBUG
44
45 static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
46 {
47         struct hostap_interface *iface;
48         local_info_t *local;
49         unsigned long flags;
50
51         iface = netdev_priv(dev);
52         local = iface->local;
53         spin_lock_irqsave(&local->lock, flags);
54         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
55         outb(v, dev->base_addr + a);
56         spin_unlock_irqrestore(&local->lock, flags);
57 }
58
59 static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
60 {
61         struct hostap_interface *iface;
62         local_info_t *local;
63         unsigned long flags;
64         u8 v;
65
66         iface = netdev_priv(dev);
67         local = iface->local;
68         spin_lock_irqsave(&local->lock, flags);
69         v = inb(dev->base_addr + a);
70         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v);
71         spin_unlock_irqrestore(&local->lock, flags);
72         return v;
73 }
74
75 static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v)
76 {
77         struct hostap_interface *iface;
78         local_info_t *local;
79         unsigned long flags;
80
81         iface = netdev_priv(dev);
82         local = iface->local;
83         spin_lock_irqsave(&local->lock, flags);
84         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
85         outw(v, dev->base_addr + a);
86         spin_unlock_irqrestore(&local->lock, flags);
87 }
88
89 static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
90 {
91         struct hostap_interface *iface;
92         local_info_t *local;
93         unsigned long flags;
94         u16 v;
95
96         iface = netdev_priv(dev);
97         local = iface->local;
98         spin_lock_irqsave(&local->lock, flags);
99         v = inw(dev->base_addr + a);
100         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
101         spin_unlock_irqrestore(&local->lock, flags);
102         return v;
103 }
104
105 static inline void hfa384x_outsw_debug(struct net_device *dev, int a,
106                                        u8 *buf, int wc)
107 {
108         struct hostap_interface *iface;
109         local_info_t *local;
110         unsigned long flags;
111
112         iface = netdev_priv(dev);
113         local = iface->local;
114         spin_lock_irqsave(&local->lock, flags);
115         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc);
116         outsw(dev->base_addr + a, buf, wc);
117         spin_unlock_irqrestore(&local->lock, flags);
118 }
119
120 static inline void hfa384x_insw_debug(struct net_device *dev, int a,
121                                       u8 *buf, int wc)
122 {
123         struct hostap_interface *iface;
124         local_info_t *local;
125         unsigned long flags;
126
127         iface = netdev_priv(dev);
128         local = iface->local;
129         spin_lock_irqsave(&local->lock, flags);
130         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc);
131         insw(dev->base_addr + a, buf, wc);
132         spin_unlock_irqrestore(&local->lock, flags);
133 }
134
135 #define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v))
136 #define HFA384X_INB(a) hfa384x_inb_debug(dev, (a))
137 #define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v))
138 #define HFA384X_INW(a) hfa384x_inw_debug(dev, (a))
139 #define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc))
140 #define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc))
141
142 #else /* PRISM2_IO_DEBUG */
143
144 #define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a))
145 #define HFA384X_INB(a) inb(dev->base_addr + (a))
146 #define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a))
147 #define HFA384X_INW(a) inw(dev->base_addr + (a))
148 #define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc)
149 #define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc)
150
151 #endif /* PRISM2_IO_DEBUG */
152
153
154 static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf,
155                             int len)
156 {
157         u16 d_off;
158         u16 *pos;
159
160         d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
161         pos = (u16 *) buf;
162
163         if (len / 2)
164                 HFA384X_INSW(d_off, buf, len / 2);
165         pos += len / 2;
166
167         if (len & 1)
168                 *((char *) pos) = HFA384X_INB(d_off);
169
170         return 0;
171 }
172
173
174 static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len)
175 {
176         u16 d_off;
177         u16 *pos;
178
179         d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
180         pos = (u16 *) buf;
181
182         if (len / 2)
183                 HFA384X_OUTSW(d_off, buf, len / 2);
184         pos += len / 2;
185
186         if (len & 1)
187                 HFA384X_OUTB(*((char *) pos), d_off);
188
189         return 0;
190 }
191
192
193 /* FIX: This might change at some point.. */
194 #include "hostap_hw.c"
195
196
197
198 static void prism2_detach(dev_link_t *link);
199 static void prism2_release(u_long arg);
200 static int prism2_event(event_t event, int priority,
201                         event_callback_args_t *args);
202
203
204 static int prism2_pccard_card_present(local_info_t *local)
205 {
206         if (local->link != NULL &&
207             ((local->link->state & (DEV_PRESENT | DEV_CONFIG)) ==
208              (DEV_PRESENT | DEV_CONFIG)))
209                 return 1;
210         return 0;
211 }
212
213
214 /*
215  * SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0
216  * Document No. 20-10-00058, January 2004
217  * http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf
218  */
219 #define SANDISK_WLAN_ACTIVATION_OFF 0x40
220 #define SANDISK_HCR_OFF 0x42
221
222
223 static void sandisk_set_iobase(local_info_t *local)
224 {
225         int res;
226         conf_reg_t reg;
227
228         reg.Function = 0;
229         reg.Action = CS_WRITE;
230         reg.Offset = 0x10; /* 0x3f0 IO base 1 */
231         reg.Value = local->link->io.BasePort1 & 0x00ff;
232         res = pcmcia_access_configuration_register(local->link->handle, &reg);
233         if (res != CS_SUCCESS) {
234                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -"
235                        " res=%d\n", res);
236         }
237         udelay(10);
238
239         reg.Function = 0;
240         reg.Action = CS_WRITE;
241         reg.Offset = 0x12; /* 0x3f2 IO base 2 */
242         reg.Value = (local->link->io.BasePort1 & 0xff00) >> 8;
243         res = pcmcia_access_configuration_register(local->link->handle, &reg);
244         if (res != CS_SUCCESS) {
245                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -"
246                        " res=%d\n", res);
247         }
248 }
249
250
251 static void sandisk_write_hcr(local_info_t *local, int hcr)
252 {
253         struct net_device *dev = local->dev;
254         int i;
255
256         HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF);
257         udelay(50);
258         for (i = 0; i < 10; i++) {
259                 HFA384X_OUTB(hcr, SANDISK_HCR_OFF);
260         }
261         udelay(55);
262         HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF);
263 }
264
265
266 static int sandisk_enable_wireless(struct net_device *dev)
267 {
268         int res, ret = 0;
269         conf_reg_t reg;
270         struct hostap_interface *iface = dev->priv;
271         local_info_t *local = iface->local;
272         tuple_t tuple;
273         cisparse_t *parse = NULL;
274         u_char buf[64];
275
276         if (local->link->io.NumPorts1 < 0x42) {
277                 /* Not enough ports to be SanDisk multi-function card */
278                 ret = -ENODEV;
279                 goto done;
280         }
281
282         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
283         if (parse == NULL) {
284                 ret = -ENOMEM;
285                 goto done;
286         }
287
288         tuple.DesiredTuple = CISTPL_MANFID;
289         tuple.Attributes = TUPLE_RETURN_COMMON;
290         tuple.TupleData = buf;
291         tuple.TupleDataMax = sizeof(buf);
292         tuple.TupleOffset = 0;
293         if (pcmcia_get_first_tuple(local->link->handle, &tuple) ||
294             pcmcia_get_tuple_data(local->link->handle, &tuple) ||
295             pcmcia_parse_tuple(local->link->handle, &tuple, parse) ||
296             parse->manfid.manf != 0xd601 || parse->manfid.card != 0x0101) {
297                 /* No SanDisk manfid found */
298                 ret = -ENODEV;
299                 goto done;
300         }
301
302         tuple.DesiredTuple = CISTPL_LONGLINK_MFC;
303         if (pcmcia_get_first_tuple(local->link->handle, &tuple) ||
304             pcmcia_get_tuple_data(local->link->handle, &tuple) ||
305             pcmcia_parse_tuple(local->link->handle, &tuple, parse) ||
306                 parse->longlink_mfc.nfn < 2) {
307                 /* No multi-function links found */
308                 ret = -ENODEV;
309                 goto done;
310         }
311
312         printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected"
313                " - using vendor-specific initialization\n", dev->name);
314         local->sandisk_connectplus = 1;
315
316         reg.Function = 0;
317         reg.Action = CS_WRITE;
318         reg.Offset = CISREG_COR;
319         reg.Value = COR_SOFT_RESET;
320         res = pcmcia_access_configuration_register(local->link->handle, &reg);
321         if (res != CS_SUCCESS) {
322                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
323                        dev->name, res);
324                 goto done;
325         }
326         mdelay(5);
327
328         reg.Function = 0;
329         reg.Action = CS_WRITE;
330         reg.Offset = CISREG_COR;
331         /*
332          * Do not enable interrupts here to avoid some bogus events. Interrupts
333          * will be enabled during the first cor_sreset call.
334          */
335         reg.Value = COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE | COR_FUNC_ENA;
336         res = pcmcia_access_configuration_register(local->link->handle, &reg);
337         if (res != CS_SUCCESS) {
338                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
339                        dev->name, res);
340                 goto done;
341         }
342         mdelay(5);
343
344         sandisk_set_iobase(local);
345
346         HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF);
347         udelay(10);
348         HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF);
349         udelay(10);
350
351 done:
352         kfree(parse);
353         return ret;
354 }
355
356
357 static void prism2_pccard_cor_sreset(local_info_t *local)
358 {
359         int res;
360         conf_reg_t reg;
361
362         if (!prism2_pccard_card_present(local))
363                return;
364
365         reg.Function = 0;
366         reg.Action = CS_READ;
367         reg.Offset = CISREG_COR;
368         reg.Value = 0;
369         res = pcmcia_access_configuration_register(local->link->handle, &reg);
370         if (res != CS_SUCCESS) {
371                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n",
372                        res);
373                 return;
374         }
375         printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n",
376                reg.Value);
377
378         reg.Action = CS_WRITE;
379         reg.Value |= COR_SOFT_RESET;
380         res = pcmcia_access_configuration_register(local->link->handle, &reg);
381         if (res != CS_SUCCESS) {
382                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n",
383                        res);
384                 return;
385         }
386
387         mdelay(local->sandisk_connectplus ? 5 : 2);
388
389         reg.Value &= ~COR_SOFT_RESET;
390         if (local->sandisk_connectplus)
391                 reg.Value |= COR_IREQ_ENA;
392         res = pcmcia_access_configuration_register(local->link->handle, &reg);
393         if (res != CS_SUCCESS) {
394                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n",
395                        res);
396                 return;
397         }
398
399         mdelay(local->sandisk_connectplus ? 5 : 2);
400
401         if (local->sandisk_connectplus)
402                 sandisk_set_iobase(local);
403 }
404
405
406 static void prism2_pccard_genesis_reset(local_info_t *local, int hcr)
407 {
408         int res;
409         conf_reg_t reg;
410         int old_cor;
411
412         if (!prism2_pccard_card_present(local))
413                return;
414
415         if (local->sandisk_connectplus) {
416                 sandisk_write_hcr(local, hcr);
417                 return;
418         }
419
420         reg.Function = 0;
421         reg.Action = CS_READ;
422         reg.Offset = CISREG_COR;
423         reg.Value = 0;
424         res = pcmcia_access_configuration_register(local->link->handle, &reg);
425         if (res != CS_SUCCESS) {
426                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 "
427                        "(%d)\n", res);
428                 return;
429         }
430         printk(KERN_DEBUG "prism2_pccard_genesis_sreset: original COR %02x\n",
431                reg.Value);
432         old_cor = reg.Value;
433
434         reg.Action = CS_WRITE;
435         reg.Value |= COR_SOFT_RESET;
436         res = pcmcia_access_configuration_register(local->link->handle, &reg);
437         if (res != CS_SUCCESS) {
438                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 "
439                        "(%d)\n", res);
440                 return;
441         }
442
443         mdelay(10);
444
445         /* Setup Genesis mode */
446         reg.Action = CS_WRITE;
447         reg.Value = hcr;
448         reg.Offset = CISREG_CCSR;
449         res = pcmcia_access_configuration_register(local->link->handle, &reg);
450         if (res != CS_SUCCESS) {
451                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 "
452                        "(%d)\n", res);
453                 return;
454         }
455         mdelay(10);
456
457         reg.Action = CS_WRITE;
458         reg.Offset = CISREG_COR;
459         reg.Value = old_cor & ~COR_SOFT_RESET;
460         res = pcmcia_access_configuration_register(local->link->handle, &reg);
461         if (res != CS_SUCCESS) {
462                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 "
463                        "(%d)\n", res);
464                 return;
465         }
466
467         mdelay(10);
468 }
469
470
471 static int prism2_pccard_dev_open(local_info_t *local)
472 {
473         local->link->open++;
474         return 0;
475 }
476
477
478 static int prism2_pccard_dev_close(local_info_t *local)
479 {
480         if (local == NULL || local->link == NULL)
481                 return 1;
482
483         if (!local->link->open) {
484                 printk(KERN_WARNING "%s: prism2_pccard_dev_close(): "
485                        "link not open?!\n", local->dev->name);
486                 return 1;
487         }
488
489         local->link->open--;
490
491         return 0;
492 }
493
494
495 static struct prism2_helper_functions prism2_pccard_funcs =
496 {
497         .card_present   = prism2_pccard_card_present,
498         .cor_sreset     = prism2_pccard_cor_sreset,
499         .dev_open       = prism2_pccard_dev_open,
500         .dev_close      = prism2_pccard_dev_close,
501         .genesis_reset  = prism2_pccard_genesis_reset,
502         .hw_type        = HOSTAP_HW_PCCARD,
503 };
504
505
506 /* allocate local data and register with CardServices
507  * initialize dev_link structure, but do not configure the card yet */
508 static dev_link_t *prism2_attach(void)
509 {
510         dev_link_t *link;
511         client_reg_t client_reg;
512         int ret;
513
514         link = kmalloc(sizeof(dev_link_t), GFP_KERNEL);
515         if (link == NULL)
516                 return NULL;
517
518         memset(link, 0, sizeof(dev_link_t));
519
520         PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info);
521         link->conf.Vcc = 33;
522         link->conf.IntType = INT_MEMORY_AND_IO;
523
524         /* register with CardServices */
525         link->next = dev_list;
526         dev_list = link;
527         client_reg.dev_info = &dev_info;
528         client_reg.Version = 0x0210;
529         client_reg.event_callback_args.client_data = link;
530         ret = pcmcia_register_client(&link->handle, &client_reg);
531         if (ret != CS_SUCCESS) {
532                 cs_error(link->handle, RegisterClient, ret);
533                 prism2_detach(link);
534                 return NULL;
535         }
536         return link;
537 }
538
539
540 static void prism2_detach(dev_link_t *link)
541 {
542         dev_link_t **linkp;
543
544         PDEBUG(DEBUG_FLOW, "prism2_detach\n");
545
546         for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
547                 if (*linkp == link)
548                         break;
549         if (*linkp == NULL) {
550                 printk(KERN_WARNING "%s: Attempt to detach non-existing "
551                        "PCMCIA client\n", dev_info);
552                 return;
553         }
554
555         if (link->state & DEV_CONFIG) {
556                 prism2_release((u_long)link);
557         }
558
559         if (link->handle) {
560                 int res = pcmcia_deregister_client(link->handle);
561                 if (res) {
562                         printk("CardService(DeregisterClient) => %d\n", res);
563                         cs_error(link->handle, DeregisterClient, res);
564                 }
565         }
566
567         *linkp = link->next;
568         /* release net devices */
569         if (link->priv) {
570                 prism2_free_local_data((struct net_device *) link->priv);
571
572         }
573         kfree(link);
574 }
575
576
577 #define CS_CHECK(fn, ret) \
578 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
579
580 #define CFG_CHECK2(fn, retf) \
581 do { int ret = (retf); \
582 if (ret != 0) { \
583         PDEBUG(DEBUG_EXTRA, "CardServices(" #fn ") returned %d\n", ret); \
584         cs_error(link->handle, fn, ret); \
585         goto next_entry; \
586 } \
587 } while (0)
588
589
590 /* run after a CARD_INSERTION event is received to configure the PCMCIA
591  * socket and make the device available to the system */
592 static int prism2_config(dev_link_t *link)
593 {
594         struct net_device *dev;
595         struct hostap_interface *iface;
596         local_info_t *local;
597         int ret = 1;
598         tuple_t tuple;
599         cisparse_t *parse;
600         int last_fn, last_ret;
601         u_char buf[64];
602         config_info_t conf;
603         cistpl_cftable_entry_t dflt = { 0 };
604
605         PDEBUG(DEBUG_FLOW, "prism2_config()\n");
606
607         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
608         if (parse == NULL) {
609                 ret = -ENOMEM;
610                 goto failed;
611         }
612
613         tuple.DesiredTuple = CISTPL_CONFIG;
614         tuple.Attributes = 0;
615         tuple.TupleData = buf;
616         tuple.TupleDataMax = sizeof(buf);
617         tuple.TupleOffset = 0;
618         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
619         CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link->handle, &tuple));
620         CS_CHECK(ParseTuple, pcmcia_parse_tuple(link->handle, &tuple, parse));
621         link->conf.ConfigBase = parse->config.base;
622         link->conf.Present = parse->config.rmask[0];
623
624         CS_CHECK(GetConfigurationInfo,
625                  pcmcia_get_configuration_info(link->handle, &conf));
626         PDEBUG(DEBUG_HW, "%s: %s Vcc=%d (from config)\n", dev_info,
627                ignore_cis_vcc ? "ignoring" : "setting", conf.Vcc);
628         link->conf.Vcc = conf.Vcc;
629
630         /* Look for an appropriate configuration table entry in the CIS */
631         tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
632         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
633         for (;;) {
634                 cistpl_cftable_entry_t *cfg = &(parse->cftable_entry);
635                 CFG_CHECK2(GetTupleData,
636                            pcmcia_get_tuple_data(link->handle, &tuple));
637                 CFG_CHECK2(ParseTuple,
638                            pcmcia_parse_tuple(link->handle, &tuple, parse));
639
640                 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
641                         dflt = *cfg;
642                 if (cfg->index == 0)
643                         goto next_entry;
644                 link->conf.ConfigIndex = cfg->index;
645                 PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
646                        "(default 0x%02X)\n", cfg->index, dflt.index);
647         
648                 /* Does this card need audio output? */
649                 if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
650                         link->conf.Attributes |= CONF_ENABLE_SPKR;
651                         link->conf.Status = CCSR_AUDIO_ENA;
652                 }
653         
654                 /* Use power settings for Vcc and Vpp if present */
655                 /*  Note that the CIS values need to be rescaled */
656                 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
657                         if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
658                             10000 && !ignore_cis_vcc) {
659                                 PDEBUG(DEBUG_EXTRA, "  Vcc mismatch - skipping"
660                                        " this entry\n");
661                                 goto next_entry;
662                         }
663                 } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
664                         if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
665                             10000 && !ignore_cis_vcc) {
666                                 PDEBUG(DEBUG_EXTRA, "  Vcc (default) mismatch "
667                                        "- skipping this entry\n");
668                                 goto next_entry;
669                         }
670                 }
671
672                 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
673                         link->conf.Vpp1 = link->conf.Vpp2 =
674                                 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
675                 else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
676                         link->conf.Vpp1 = link->conf.Vpp2 =
677                                 dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
678
679                 /* Do we need to allocate an interrupt? */
680                 if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
681                         link->conf.Attributes |= CONF_ENABLE_IRQ;
682                 else if (!(link->conf.Attributes & CONF_ENABLE_IRQ)) {
683                         /* At least Compaq WL200 does not have IRQInfo1 set,
684                          * but it does not work without interrupts.. */
685                         printk("Config has no IRQ info, but trying to enable "
686                                "IRQ anyway..\n");
687                         link->conf.Attributes |= CONF_ENABLE_IRQ;
688                 }
689
690                 /* IO window settings */
691                 PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
692                        "dflt.io.nwin=%d\n",
693                        cfg->io.nwin, dflt.io.nwin);
694                 link->io.NumPorts1 = link->io.NumPorts2 = 0;
695                 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
696                         cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
697                         link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
698                         PDEBUG(DEBUG_EXTRA, "io->flags = 0x%04X, "
699                                "io.base=0x%04x, len=%d\n", io->flags,
700                                io->win[0].base, io->win[0].len);
701                         if (!(io->flags & CISTPL_IO_8BIT))
702                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
703                         if (!(io->flags & CISTPL_IO_16BIT))
704                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
705                         link->io.IOAddrLines = io->flags &
706                                 CISTPL_IO_LINES_MASK;
707                         link->io.BasePort1 = io->win[0].base;
708                         link->io.NumPorts1 = io->win[0].len;
709                         if (io->nwin > 1) {
710                                 link->io.Attributes2 = link->io.Attributes1;
711                                 link->io.BasePort2 = io->win[1].base;
712                                 link->io.NumPorts2 = io->win[1].len;
713                         }
714                 }
715
716                 /* This reserves IO space but doesn't actually enable it */
717                 CFG_CHECK2(RequestIO,
718                            pcmcia_request_io(link->handle, &link->io));
719
720                 /* This configuration table entry is OK */
721                 break;
722
723         next_entry:
724                 CS_CHECK(GetNextTuple,
725                          pcmcia_get_next_tuple(link->handle, &tuple));
726         }
727
728         /* Need to allocate net_device before requesting IRQ handler */
729         dev = prism2_init_local_data(&prism2_pccard_funcs, 0,
730                                      &handle_to_dev(link->handle));
731         if (dev == NULL)
732                 goto failed;
733         link->priv = dev;
734
735         /*
736          * Allocate an interrupt line.  Note that this does not assign a
737          * handler to the interrupt, unless the 'Handler' member of the
738          * irq structure is initialized.
739          */
740         if (link->conf.Attributes & CONF_ENABLE_IRQ) {
741                 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
742                 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
743                 link->irq.Handler = prism2_interrupt;
744                 link->irq.Instance = dev;
745                 CS_CHECK(RequestIRQ,
746                          pcmcia_request_irq(link->handle, &link->irq));
747         }
748
749         /*
750          * This actually configures the PCMCIA socket -- setting up
751          * the I/O windows and the interrupt mapping, and putting the
752          * card and host interface into "Memory and IO" mode.
753          */
754         CS_CHECK(RequestConfiguration,
755                  pcmcia_request_configuration(link->handle, &link->conf));
756
757         dev->irq = link->irq.AssignedIRQ;
758         dev->base_addr = link->io.BasePort1;
759
760         /* Finally, report what we've done */
761         printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
762                dev_info, link->conf.ConfigIndex,
763                link->conf.Vcc / 10, link->conf.Vcc % 10);
764         if (link->conf.Vpp1)
765                 printk(", Vpp %d.%d", link->conf.Vpp1 / 10,
766                        link->conf.Vpp1 % 10);
767         if (link->conf.Attributes & CONF_ENABLE_IRQ)
768                 printk(", irq %d", link->irq.AssignedIRQ);
769         if (link->io.NumPorts1)
770                 printk(", io 0x%04x-0x%04x", link->io.BasePort1,
771                        link->io.BasePort1+link->io.NumPorts1-1);
772         if (link->io.NumPorts2)
773                 printk(" & 0x%04x-0x%04x", link->io.BasePort2,
774                        link->io.BasePort2+link->io.NumPorts2-1);
775         printk("\n");
776
777         link->state |= DEV_CONFIG;
778         link->state &= ~DEV_CONFIG_PENDING;
779
780         iface = netdev_priv(dev);
781         local = iface->local;
782         local->link = link;
783         strcpy(local->node.dev_name, dev->name);
784         link->dev = &local->node;
785
786         local->shutdown = 0;
787
788         sandisk_enable_wireless(dev);
789
790         ret = prism2_hw_config(dev, 1);
791         if (!ret) {
792                 ret = hostap_hw_ready(dev);
793                 if (ret == 0 && local->ddev)
794                         strcpy(local->node.dev_name, local->ddev->name);
795         }
796         kfree(parse);
797         return ret;
798
799  cs_failed:
800         cs_error(link->handle, last_fn, last_ret);
801
802  failed:
803         kfree(parse);
804         prism2_release((u_long)link);
805         return ret;
806 }
807
808
809 static void prism2_release(u_long arg)
810 {
811         dev_link_t *link = (dev_link_t *)arg;
812
813         PDEBUG(DEBUG_FLOW, "prism2_release\n");
814
815         if (link->priv) {
816                 struct net_device *dev = link->priv;
817                 struct hostap_interface *iface;
818
819                 iface = netdev_priv(dev);
820                 if (link->state & DEV_CONFIG)
821                         prism2_hw_shutdown(dev, 0);
822                 iface->local->shutdown = 1;
823         }
824
825         if (link->win)
826                 pcmcia_release_window(link->win);
827         pcmcia_release_configuration(link->handle);
828         if (link->io.NumPorts1)
829                 pcmcia_release_io(link->handle, &link->io);
830         if (link->irq.AssignedIRQ)
831                 pcmcia_release_irq(link->handle, &link->irq);
832
833         link->state &= ~DEV_CONFIG;
834
835         PDEBUG(DEBUG_FLOW, "release - done\n");
836 }
837
838
839 static int prism2_event(event_t event, int priority,
840                         event_callback_args_t *args)
841 {
842         dev_link_t *link = args->client_data;
843         struct net_device *dev = (struct net_device *) link->priv;
844
845         switch (event) {
846         case CS_EVENT_CARD_INSERTION:
847                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_INSERTION\n", dev_info);
848                 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
849                 if (prism2_config(link)) {
850                         PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n");
851                 }
852                 break;
853
854         case CS_EVENT_CARD_REMOVAL:
855                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_REMOVAL\n", dev_info);
856                 link->state &= ~DEV_PRESENT;
857                 if (link->state & DEV_CONFIG) {
858                         netif_stop_queue(dev);
859                         netif_device_detach(dev);
860                         prism2_release((u_long) link);
861                 }
862                 break;
863
864         case CS_EVENT_PM_SUSPEND:
865                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
866                 link->state |= DEV_SUSPEND;
867                 /* fall through */
868
869         case CS_EVENT_RESET_PHYSICAL:
870                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_RESET_PHYSICAL\n", dev_info);
871                 if (link->state & DEV_CONFIG) {
872                         if (link->open) {
873                                 netif_stop_queue(dev);
874                                 netif_device_detach(dev);
875                         }
876                         prism2_suspend(dev);
877                         pcmcia_release_configuration(link->handle);
878                 }
879                 break;
880
881         case CS_EVENT_PM_RESUME:
882                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
883                 link->state &= ~DEV_SUSPEND;
884                 /* fall through */
885
886         case CS_EVENT_CARD_RESET:
887                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_RESET\n", dev_info);
888                 if (link->state & DEV_CONFIG) {
889                         pcmcia_request_configuration(link->handle,
890                                                      &link->conf);
891                         prism2_hw_shutdown(dev, 1);
892                         prism2_hw_config(dev, link->open ? 0 : 1);
893                         if (link->open) {
894                                 netif_device_attach(dev);
895                                 netif_start_queue(dev);
896                         }
897                 }
898                 break;
899
900         default:
901                 PDEBUG(DEBUG_EXTRA, "%s: prism2_event() - unknown event %d\n",
902                        dev_info, event);
903                 break;
904         }
905         return 0;
906 }
907
908
909 static struct pcmcia_device_id hostap_cs_ids[] = {
910         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100),
911         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300),
912         PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777),
913         PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000),
914         PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002),
915         PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0002),
916         PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002),
917         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612),
918         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613),
919         PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002),
920         PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002),
921         PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001),
922         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001),
923         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300),
924         PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000),
925         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002),
926         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005),
927         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010),
928         PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus",
929                                     0x7a954bd9, 0x74be00c6),
930         PCMCIA_DEVICE_PROD_ID1234(
931                 "Intersil", "PRISM 2_5 PCMCIA ADAPTER", "ISL37300P",
932                 "Eval-RevA",
933                 0x4b801a17, 0x6345a0bf, 0xc9049a39, 0xc23adc0e),
934         PCMCIA_DEVICE_PROD_ID123(
935                 "Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02",
936                 0xe6ec52ce, 0x08649af2, 0x4b74baa0),
937         PCMCIA_DEVICE_PROD_ID123(
938                 "D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02",
939                 0x71b18589, 0xb6f1b0ab, 0x4b74baa0),
940         PCMCIA_DEVICE_PROD_ID123(
941                 "Instant Wireless ", " Network PC CARD", "Version 01.02",
942                 0x11d901af, 0x6e9bd926, 0x4b74baa0),
943         PCMCIA_DEVICE_PROD_ID123(
944                 "SMC", "SMC2632W", "Version 01.02",
945                 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0),
946         PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card",
947                                 0x54f7c49c, 0x15a75e5b),
948         PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE",
949                                 0x74c5e40d, 0xdb472a18),
950         PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card",
951                                 0x0733cc81, 0x0c52f395),
952         PCMCIA_DEVICE_PROD_ID12(
953                 "ZoomAir 11Mbps High", "Rate wireless Networking",
954                 0x273fe3db, 0x32a1eaee),
955         PCMCIA_DEVICE_NULL
956 };
957 MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids);
958
959
960 static struct pcmcia_driver hostap_driver = {
961         .drv            = {
962                 .name   = "hostap_cs",
963         },
964         .attach         = prism2_attach,
965         .detach         = prism2_detach,
966         .owner          = THIS_MODULE,
967         .event          = prism2_event,
968         .id_table       = hostap_cs_ids,
969 };
970
971 static int __init init_prism2_pccard(void)
972 {
973         printk(KERN_INFO "%s: %s\n", dev_info, version);
974         return pcmcia_register_driver(&hostap_driver);
975 }
976
977 static void __exit exit_prism2_pccard(void)
978 {
979         pcmcia_unregister_driver(&hostap_driver);
980         printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
981 }
982
983
984 module_init(init_prism2_pccard);
985 module_exit(exit_prism2_pccard);