[PATCH] hostap: Use void *hw_priv instead of #ifdef in local data
[linux-2.6] / 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 /* struct local_info::hw_priv */
44 struct hostap_cs_priv {
45         dev_node_t node;
46         dev_link_t *link;
47         int sandisk_connectplus;
48 };
49
50
51 #ifdef PRISM2_IO_DEBUG
52
53 static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
54 {
55         struct hostap_interface *iface;
56         local_info_t *local;
57         unsigned long flags;
58
59         iface = netdev_priv(dev);
60         local = iface->local;
61         spin_lock_irqsave(&local->lock, flags);
62         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
63         outb(v, dev->base_addr + a);
64         spin_unlock_irqrestore(&local->lock, flags);
65 }
66
67 static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
68 {
69         struct hostap_interface *iface;
70         local_info_t *local;
71         unsigned long flags;
72         u8 v;
73
74         iface = netdev_priv(dev);
75         local = iface->local;
76         spin_lock_irqsave(&local->lock, flags);
77         v = inb(dev->base_addr + a);
78         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v);
79         spin_unlock_irqrestore(&local->lock, flags);
80         return v;
81 }
82
83 static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v)
84 {
85         struct hostap_interface *iface;
86         local_info_t *local;
87         unsigned long flags;
88
89         iface = netdev_priv(dev);
90         local = iface->local;
91         spin_lock_irqsave(&local->lock, flags);
92         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
93         outw(v, dev->base_addr + a);
94         spin_unlock_irqrestore(&local->lock, flags);
95 }
96
97 static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
98 {
99         struct hostap_interface *iface;
100         local_info_t *local;
101         unsigned long flags;
102         u16 v;
103
104         iface = netdev_priv(dev);
105         local = iface->local;
106         spin_lock_irqsave(&local->lock, flags);
107         v = inw(dev->base_addr + a);
108         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
109         spin_unlock_irqrestore(&local->lock, flags);
110         return v;
111 }
112
113 static inline void hfa384x_outsw_debug(struct net_device *dev, int a,
114                                        u8 *buf, int wc)
115 {
116         struct hostap_interface *iface;
117         local_info_t *local;
118         unsigned long flags;
119
120         iface = netdev_priv(dev);
121         local = iface->local;
122         spin_lock_irqsave(&local->lock, flags);
123         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc);
124         outsw(dev->base_addr + a, buf, wc);
125         spin_unlock_irqrestore(&local->lock, flags);
126 }
127
128 static inline void hfa384x_insw_debug(struct net_device *dev, int a,
129                                       u8 *buf, int wc)
130 {
131         struct hostap_interface *iface;
132         local_info_t *local;
133         unsigned long flags;
134
135         iface = netdev_priv(dev);
136         local = iface->local;
137         spin_lock_irqsave(&local->lock, flags);
138         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc);
139         insw(dev->base_addr + a, buf, wc);
140         spin_unlock_irqrestore(&local->lock, flags);
141 }
142
143 #define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v))
144 #define HFA384X_INB(a) hfa384x_inb_debug(dev, (a))
145 #define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v))
146 #define HFA384X_INW(a) hfa384x_inw_debug(dev, (a))
147 #define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc))
148 #define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc))
149
150 #else /* PRISM2_IO_DEBUG */
151
152 #define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a))
153 #define HFA384X_INB(a) inb(dev->base_addr + (a))
154 #define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a))
155 #define HFA384X_INW(a) inw(dev->base_addr + (a))
156 #define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc)
157 #define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc)
158
159 #endif /* PRISM2_IO_DEBUG */
160
161
162 static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf,
163                             int len)
164 {
165         u16 d_off;
166         u16 *pos;
167
168         d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
169         pos = (u16 *) buf;
170
171         if (len / 2)
172                 HFA384X_INSW(d_off, buf, len / 2);
173         pos += len / 2;
174
175         if (len & 1)
176                 *((char *) pos) = HFA384X_INB(d_off);
177
178         return 0;
179 }
180
181
182 static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len)
183 {
184         u16 d_off;
185         u16 *pos;
186
187         d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
188         pos = (u16 *) buf;
189
190         if (len / 2)
191                 HFA384X_OUTSW(d_off, buf, len / 2);
192         pos += len / 2;
193
194         if (len & 1)
195                 HFA384X_OUTB(*((char *) pos), d_off);
196
197         return 0;
198 }
199
200
201 /* FIX: This might change at some point.. */
202 #include "hostap_hw.c"
203
204
205
206 static void prism2_detach(dev_link_t *link);
207 static void prism2_release(u_long arg);
208 static int prism2_event(event_t event, int priority,
209                         event_callback_args_t *args);
210
211
212 static int prism2_pccard_card_present(local_info_t *local)
213 {
214         struct hostap_cs_priv *hw_priv = local->hw_priv;
215         if (hw_priv->link != NULL &&
216             ((hw_priv->link->state & (DEV_PRESENT | DEV_CONFIG)) ==
217              (DEV_PRESENT | DEV_CONFIG)))
218                 return 1;
219         return 0;
220 }
221
222
223 /*
224  * SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0
225  * Document No. 20-10-00058, January 2004
226  * http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf
227  */
228 #define SANDISK_WLAN_ACTIVATION_OFF 0x40
229 #define SANDISK_HCR_OFF 0x42
230
231
232 static void sandisk_set_iobase(local_info_t *local)
233 {
234         int res;
235         conf_reg_t reg;
236         struct hostap_cs_priv *hw_priv = local->hw_priv;
237
238         reg.Function = 0;
239         reg.Action = CS_WRITE;
240         reg.Offset = 0x10; /* 0x3f0 IO base 1 */
241         reg.Value = hw_priv->link->io.BasePort1 & 0x00ff;
242         res = pcmcia_access_configuration_register(hw_priv->link->handle,
243                                                    &reg);
244         if (res != CS_SUCCESS) {
245                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -"
246                        " res=%d\n", res);
247         }
248         udelay(10);
249
250         reg.Function = 0;
251         reg.Action = CS_WRITE;
252         reg.Offset = 0x12; /* 0x3f2 IO base 2 */
253         reg.Value = (hw_priv->link->io.BasePort1 & 0xff00) >> 8;
254         res = pcmcia_access_configuration_register(hw_priv->link->handle,
255                                                    &reg);
256         if (res != CS_SUCCESS) {
257                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -"
258                        " res=%d\n", res);
259         }
260 }
261
262
263 static void sandisk_write_hcr(local_info_t *local, int hcr)
264 {
265         struct net_device *dev = local->dev;
266         int i;
267
268         HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF);
269         udelay(50);
270         for (i = 0; i < 10; i++) {
271                 HFA384X_OUTB(hcr, SANDISK_HCR_OFF);
272         }
273         udelay(55);
274         HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF);
275 }
276
277
278 static int sandisk_enable_wireless(struct net_device *dev)
279 {
280         int res, ret = 0;
281         conf_reg_t reg;
282         struct hostap_interface *iface = dev->priv;
283         local_info_t *local = iface->local;
284         tuple_t tuple;
285         cisparse_t *parse = NULL;
286         u_char buf[64];
287         struct hostap_cs_priv *hw_priv = local->hw_priv;
288
289         if (hw_priv->link->io.NumPorts1 < 0x42) {
290                 /* Not enough ports to be SanDisk multi-function card */
291                 ret = -ENODEV;
292                 goto done;
293         }
294
295         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
296         if (parse == NULL) {
297                 ret = -ENOMEM;
298                 goto done;
299         }
300
301         tuple.DesiredTuple = CISTPL_MANFID;
302         tuple.Attributes = TUPLE_RETURN_COMMON;
303         tuple.TupleData = buf;
304         tuple.TupleDataMax = sizeof(buf);
305         tuple.TupleOffset = 0;
306         if (pcmcia_get_first_tuple(hw_priv->link->handle, &tuple) ||
307             pcmcia_get_tuple_data(hw_priv->link->handle, &tuple) ||
308             pcmcia_parse_tuple(hw_priv->link->handle, &tuple, parse) ||
309             parse->manfid.manf != 0xd601 || parse->manfid.card != 0x0101) {
310                 /* No SanDisk manfid found */
311                 ret = -ENODEV;
312                 goto done;
313         }
314
315         tuple.DesiredTuple = CISTPL_LONGLINK_MFC;
316         if (pcmcia_get_first_tuple(hw_priv->link->handle, &tuple) ||
317             pcmcia_get_tuple_data(hw_priv->link->handle, &tuple) ||
318             pcmcia_parse_tuple(hw_priv->link->handle, &tuple, parse) ||
319                 parse->longlink_mfc.nfn < 2) {
320                 /* No multi-function links found */
321                 ret = -ENODEV;
322                 goto done;
323         }
324
325         printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected"
326                " - using vendor-specific initialization\n", dev->name);
327         hw_priv->sandisk_connectplus = 1;
328
329         reg.Function = 0;
330         reg.Action = CS_WRITE;
331         reg.Offset = CISREG_COR;
332         reg.Value = COR_SOFT_RESET;
333         res = pcmcia_access_configuration_register(hw_priv->link->handle,
334                                                    &reg);
335         if (res != CS_SUCCESS) {
336                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
337                        dev->name, res);
338                 goto done;
339         }
340         mdelay(5);
341
342         reg.Function = 0;
343         reg.Action = CS_WRITE;
344         reg.Offset = CISREG_COR;
345         /*
346          * Do not enable interrupts here to avoid some bogus events. Interrupts
347          * will be enabled during the first cor_sreset call.
348          */
349         reg.Value = COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE | COR_FUNC_ENA;
350         res = pcmcia_access_configuration_register(hw_priv->link->handle,
351                                                    &reg);
352         if (res != CS_SUCCESS) {
353                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
354                        dev->name, res);
355                 goto done;
356         }
357         mdelay(5);
358
359         sandisk_set_iobase(local);
360
361         HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF);
362         udelay(10);
363         HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF);
364         udelay(10);
365
366 done:
367         kfree(parse);
368         return ret;
369 }
370
371
372 static void prism2_pccard_cor_sreset(local_info_t *local)
373 {
374         int res;
375         conf_reg_t reg;
376         struct hostap_cs_priv *hw_priv = local->hw_priv;
377
378         if (!prism2_pccard_card_present(local))
379                return;
380
381         reg.Function = 0;
382         reg.Action = CS_READ;
383         reg.Offset = CISREG_COR;
384         reg.Value = 0;
385         res = pcmcia_access_configuration_register(hw_priv->link->handle,
386                                                    &reg);
387         if (res != CS_SUCCESS) {
388                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n",
389                        res);
390                 return;
391         }
392         printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n",
393                reg.Value);
394
395         reg.Action = CS_WRITE;
396         reg.Value |= COR_SOFT_RESET;
397         res = pcmcia_access_configuration_register(hw_priv->link->handle,
398                                                    &reg);
399         if (res != CS_SUCCESS) {
400                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n",
401                        res);
402                 return;
403         }
404
405         mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
406
407         reg.Value &= ~COR_SOFT_RESET;
408         if (hw_priv->sandisk_connectplus)
409                 reg.Value |= COR_IREQ_ENA;
410         res = pcmcia_access_configuration_register(hw_priv->link->handle,
411                                                    &reg);
412         if (res != CS_SUCCESS) {
413                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n",
414                        res);
415                 return;
416         }
417
418         mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
419
420         if (hw_priv->sandisk_connectplus)
421                 sandisk_set_iobase(local);
422 }
423
424
425 static void prism2_pccard_genesis_reset(local_info_t *local, int hcr)
426 {
427         int res;
428         conf_reg_t reg;
429         int old_cor;
430         struct hostap_cs_priv *hw_priv = local->hw_priv;
431
432         if (!prism2_pccard_card_present(local))
433                return;
434
435         if (hw_priv->sandisk_connectplus) {
436                 sandisk_write_hcr(local, hcr);
437                 return;
438         }
439
440         reg.Function = 0;
441         reg.Action = CS_READ;
442         reg.Offset = CISREG_COR;
443         reg.Value = 0;
444         res = pcmcia_access_configuration_register(hw_priv->link->handle,
445                                                    &reg);
446         if (res != CS_SUCCESS) {
447                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 "
448                        "(%d)\n", res);
449                 return;
450         }
451         printk(KERN_DEBUG "prism2_pccard_genesis_sreset: original COR %02x\n",
452                reg.Value);
453         old_cor = reg.Value;
454
455         reg.Action = CS_WRITE;
456         reg.Value |= COR_SOFT_RESET;
457         res = pcmcia_access_configuration_register(hw_priv->link->handle,
458                                                    &reg);
459         if (res != CS_SUCCESS) {
460                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 "
461                        "(%d)\n", res);
462                 return;
463         }
464
465         mdelay(10);
466
467         /* Setup Genesis mode */
468         reg.Action = CS_WRITE;
469         reg.Value = hcr;
470         reg.Offset = CISREG_CCSR;
471         res = pcmcia_access_configuration_register(hw_priv->link->handle,
472                                                    &reg);
473         if (res != CS_SUCCESS) {
474                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 "
475                        "(%d)\n", res);
476                 return;
477         }
478         mdelay(10);
479
480         reg.Action = CS_WRITE;
481         reg.Offset = CISREG_COR;
482         reg.Value = old_cor & ~COR_SOFT_RESET;
483         res = pcmcia_access_configuration_register(hw_priv->link->handle,
484                                                    &reg);
485         if (res != CS_SUCCESS) {
486                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 "
487                        "(%d)\n", res);
488                 return;
489         }
490
491         mdelay(10);
492 }
493
494
495 static int prism2_pccard_dev_open(local_info_t *local)
496 {
497         struct hostap_cs_priv *hw_priv = local->hw_priv;
498         hw_priv->link->open++;
499         return 0;
500 }
501
502
503 static int prism2_pccard_dev_close(local_info_t *local)
504 {
505         struct hostap_cs_priv *hw_priv;
506
507         if (local == NULL || local->hw_priv == NULL)
508                 return 1;
509         hw_priv = local->hw_priv;
510         if (hw_priv->link == NULL)
511                 return 1;
512
513         if (!hw_priv->link->open) {
514                 printk(KERN_WARNING "%s: prism2_pccard_dev_close(): "
515                        "link not open?!\n", local->dev->name);
516                 return 1;
517         }
518
519         hw_priv->link->open--;
520
521         return 0;
522 }
523
524
525 static struct prism2_helper_functions prism2_pccard_funcs =
526 {
527         .card_present   = prism2_pccard_card_present,
528         .cor_sreset     = prism2_pccard_cor_sreset,
529         .dev_open       = prism2_pccard_dev_open,
530         .dev_close      = prism2_pccard_dev_close,
531         .genesis_reset  = prism2_pccard_genesis_reset,
532         .hw_type        = HOSTAP_HW_PCCARD,
533 };
534
535
536 /* allocate local data and register with CardServices
537  * initialize dev_link structure, but do not configure the card yet */
538 static dev_link_t *prism2_attach(void)
539 {
540         dev_link_t *link;
541         client_reg_t client_reg;
542         int ret;
543
544         link = kmalloc(sizeof(dev_link_t), GFP_KERNEL);
545         if (link == NULL)
546                 return NULL;
547
548         memset(link, 0, sizeof(dev_link_t));
549
550         PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info);
551         link->conf.Vcc = 33;
552         link->conf.IntType = INT_MEMORY_AND_IO;
553
554         /* register with CardServices */
555         link->next = dev_list;
556         dev_list = link;
557         client_reg.dev_info = &dev_info;
558         client_reg.Version = 0x0210;
559         client_reg.event_callback_args.client_data = link;
560         ret = pcmcia_register_client(&link->handle, &client_reg);
561         if (ret != CS_SUCCESS) {
562                 cs_error(link->handle, RegisterClient, ret);
563                 prism2_detach(link);
564                 return NULL;
565         }
566         return link;
567 }
568
569
570 static void prism2_detach(dev_link_t *link)
571 {
572         dev_link_t **linkp;
573
574         PDEBUG(DEBUG_FLOW, "prism2_detach\n");
575
576         for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
577                 if (*linkp == link)
578                         break;
579         if (*linkp == NULL) {
580                 printk(KERN_WARNING "%s: Attempt to detach non-existing "
581                        "PCMCIA client\n", dev_info);
582                 return;
583         }
584
585         if (link->state & DEV_CONFIG) {
586                 prism2_release((u_long)link);
587         }
588
589         if (link->handle) {
590                 int res = pcmcia_deregister_client(link->handle);
591                 if (res) {
592                         printk("CardService(DeregisterClient) => %d\n", res);
593                         cs_error(link->handle, DeregisterClient, res);
594                 }
595         }
596
597         *linkp = link->next;
598         /* release net devices */
599         if (link->priv) {
600                 struct net_device *dev;
601                 struct hostap_interface *iface;
602                 dev = link->priv;
603                 iface = netdev_priv(dev);
604                 kfree(iface->local->hw_priv);
605                 iface->local->hw_priv = NULL;
606                 prism2_free_local_data(dev);
607         }
608         kfree(link);
609 }
610
611
612 #define CS_CHECK(fn, ret) \
613 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
614
615 #define CFG_CHECK2(fn, retf) \
616 do { int ret = (retf); \
617 if (ret != 0) { \
618         PDEBUG(DEBUG_EXTRA, "CardServices(" #fn ") returned %d\n", ret); \
619         cs_error(link->handle, fn, ret); \
620         goto next_entry; \
621 } \
622 } while (0)
623
624
625 /* run after a CARD_INSERTION event is received to configure the PCMCIA
626  * socket and make the device available to the system */
627 static int prism2_config(dev_link_t *link)
628 {
629         struct net_device *dev;
630         struct hostap_interface *iface;
631         local_info_t *local;
632         int ret = 1;
633         tuple_t tuple;
634         cisparse_t *parse;
635         int last_fn, last_ret;
636         u_char buf[64];
637         config_info_t conf;
638         cistpl_cftable_entry_t dflt = { 0 };
639         struct hostap_cs_priv *hw_priv;
640
641         PDEBUG(DEBUG_FLOW, "prism2_config()\n");
642
643         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
644         hw_priv = kmalloc(sizeof(*hw_priv), GFP_KERNEL);
645         if (parse == NULL || hw_priv == NULL) {
646                 kfree(parse);
647                 kfree(hw_priv);
648                 ret = -ENOMEM;
649                 goto failed;
650         }
651         memset(hw_priv, 0, sizeof(*hw_priv));
652
653         tuple.DesiredTuple = CISTPL_CONFIG;
654         tuple.Attributes = 0;
655         tuple.TupleData = buf;
656         tuple.TupleDataMax = sizeof(buf);
657         tuple.TupleOffset = 0;
658         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
659         CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link->handle, &tuple));
660         CS_CHECK(ParseTuple, pcmcia_parse_tuple(link->handle, &tuple, parse));
661         link->conf.ConfigBase = parse->config.base;
662         link->conf.Present = parse->config.rmask[0];
663
664         CS_CHECK(GetConfigurationInfo,
665                  pcmcia_get_configuration_info(link->handle, &conf));
666         PDEBUG(DEBUG_HW, "%s: %s Vcc=%d (from config)\n", dev_info,
667                ignore_cis_vcc ? "ignoring" : "setting", conf.Vcc);
668         link->conf.Vcc = conf.Vcc;
669
670         /* Look for an appropriate configuration table entry in the CIS */
671         tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
672         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
673         for (;;) {
674                 cistpl_cftable_entry_t *cfg = &(parse->cftable_entry);
675                 CFG_CHECK2(GetTupleData,
676                            pcmcia_get_tuple_data(link->handle, &tuple));
677                 CFG_CHECK2(ParseTuple,
678                            pcmcia_parse_tuple(link->handle, &tuple, parse));
679
680                 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
681                         dflt = *cfg;
682                 if (cfg->index == 0)
683                         goto next_entry;
684                 link->conf.ConfigIndex = cfg->index;
685                 PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
686                        "(default 0x%02X)\n", cfg->index, dflt.index);
687
688                 /* Does this card need audio output? */
689                 if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
690                         link->conf.Attributes |= CONF_ENABLE_SPKR;
691                         link->conf.Status = CCSR_AUDIO_ENA;
692                 }
693
694                 /* Use power settings for Vcc and Vpp if present */
695                 /*  Note that the CIS values need to be rescaled */
696                 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
697                         if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
698                             10000 && !ignore_cis_vcc) {
699                                 PDEBUG(DEBUG_EXTRA, "  Vcc mismatch - skipping"
700                                        " this entry\n");
701                                 goto next_entry;
702                         }
703                 } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
704                         if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
705                             10000 && !ignore_cis_vcc) {
706                                 PDEBUG(DEBUG_EXTRA, "  Vcc (default) mismatch "
707                                        "- skipping this entry\n");
708                                 goto next_entry;
709                         }
710                 }
711
712                 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
713                         link->conf.Vpp1 = link->conf.Vpp2 =
714                                 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
715                 else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
716                         link->conf.Vpp1 = link->conf.Vpp2 =
717                                 dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
718
719                 /* Do we need to allocate an interrupt? */
720                 if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
721                         link->conf.Attributes |= CONF_ENABLE_IRQ;
722                 else if (!(link->conf.Attributes & CONF_ENABLE_IRQ)) {
723                         /* At least Compaq WL200 does not have IRQInfo1 set,
724                          * but it does not work without interrupts.. */
725                         printk("Config has no IRQ info, but trying to enable "
726                                "IRQ anyway..\n");
727                         link->conf.Attributes |= CONF_ENABLE_IRQ;
728                 }
729
730                 /* IO window settings */
731                 PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
732                        "dflt.io.nwin=%d\n",
733                        cfg->io.nwin, dflt.io.nwin);
734                 link->io.NumPorts1 = link->io.NumPorts2 = 0;
735                 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
736                         cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
737                         link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
738                         PDEBUG(DEBUG_EXTRA, "io->flags = 0x%04X, "
739                                "io.base=0x%04x, len=%d\n", io->flags,
740                                io->win[0].base, io->win[0].len);
741                         if (!(io->flags & CISTPL_IO_8BIT))
742                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
743                         if (!(io->flags & CISTPL_IO_16BIT))
744                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
745                         link->io.IOAddrLines = io->flags &
746                                 CISTPL_IO_LINES_MASK;
747                         link->io.BasePort1 = io->win[0].base;
748                         link->io.NumPorts1 = io->win[0].len;
749                         if (io->nwin > 1) {
750                                 link->io.Attributes2 = link->io.Attributes1;
751                                 link->io.BasePort2 = io->win[1].base;
752                                 link->io.NumPorts2 = io->win[1].len;
753                         }
754                 }
755
756                 /* This reserves IO space but doesn't actually enable it */
757                 CFG_CHECK2(RequestIO,
758                            pcmcia_request_io(link->handle, &link->io));
759
760                 /* This configuration table entry is OK */
761                 break;
762
763         next_entry:
764                 CS_CHECK(GetNextTuple,
765                          pcmcia_get_next_tuple(link->handle, &tuple));
766         }
767
768         /* Need to allocate net_device before requesting IRQ handler */
769         dev = prism2_init_local_data(&prism2_pccard_funcs, 0,
770                                      &handle_to_dev(link->handle));
771         if (dev == NULL)
772                 goto failed;
773         link->priv = dev;
774
775         /*
776          * Allocate an interrupt line.  Note that this does not assign a
777          * handler to the interrupt, unless the 'Handler' member of the
778          * irq structure is initialized.
779          */
780         if (link->conf.Attributes & CONF_ENABLE_IRQ) {
781                 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
782                 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
783                 link->irq.Handler = prism2_interrupt;
784                 link->irq.Instance = dev;
785                 CS_CHECK(RequestIRQ,
786                          pcmcia_request_irq(link->handle, &link->irq));
787         }
788
789         /*
790          * This actually configures the PCMCIA socket -- setting up
791          * the I/O windows and the interrupt mapping, and putting the
792          * card and host interface into "Memory and IO" mode.
793          */
794         CS_CHECK(RequestConfiguration,
795                  pcmcia_request_configuration(link->handle, &link->conf));
796
797         dev->irq = link->irq.AssignedIRQ;
798         dev->base_addr = link->io.BasePort1;
799
800         /* Finally, report what we've done */
801         printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
802                dev_info, link->conf.ConfigIndex,
803                link->conf.Vcc / 10, link->conf.Vcc % 10);
804         if (link->conf.Vpp1)
805                 printk(", Vpp %d.%d", link->conf.Vpp1 / 10,
806                        link->conf.Vpp1 % 10);
807         if (link->conf.Attributes & CONF_ENABLE_IRQ)
808                 printk(", irq %d", link->irq.AssignedIRQ);
809         if (link->io.NumPorts1)
810                 printk(", io 0x%04x-0x%04x", link->io.BasePort1,
811                        link->io.BasePort1+link->io.NumPorts1-1);
812         if (link->io.NumPorts2)
813                 printk(" & 0x%04x-0x%04x", link->io.BasePort2,
814                        link->io.BasePort2+link->io.NumPorts2-1);
815         printk("\n");
816
817         link->state |= DEV_CONFIG;
818         link->state &= ~DEV_CONFIG_PENDING;
819
820         iface = netdev_priv(dev);
821         local = iface->local;
822         local->hw_priv = hw_priv;
823         hw_priv->link = link;
824         strcpy(hw_priv->node.dev_name, dev->name);
825         link->dev = &hw_priv->node;
826
827         local->shutdown = 0;
828
829         sandisk_enable_wireless(dev);
830
831         ret = prism2_hw_config(dev, 1);
832         if (!ret) {
833                 ret = hostap_hw_ready(dev);
834                 if (ret == 0 && local->ddev)
835                         strcpy(hw_priv->node.dev_name, local->ddev->name);
836         }
837         kfree(parse);
838         return ret;
839
840  cs_failed:
841         cs_error(link->handle, last_fn, last_ret);
842
843  failed:
844         kfree(parse);
845         kfree(hw_priv);
846         prism2_release((u_long)link);
847         return ret;
848 }
849
850
851 static void prism2_release(u_long arg)
852 {
853         dev_link_t *link = (dev_link_t *)arg;
854
855         PDEBUG(DEBUG_FLOW, "prism2_release\n");
856
857         if (link->priv) {
858                 struct net_device *dev = link->priv;
859                 struct hostap_interface *iface;
860
861                 iface = netdev_priv(dev);
862                 if (link->state & DEV_CONFIG)
863                         prism2_hw_shutdown(dev, 0);
864                 iface->local->shutdown = 1;
865         }
866
867         if (link->win)
868                 pcmcia_release_window(link->win);
869         pcmcia_release_configuration(link->handle);
870         if (link->io.NumPorts1)
871                 pcmcia_release_io(link->handle, &link->io);
872         if (link->irq.AssignedIRQ)
873                 pcmcia_release_irq(link->handle, &link->irq);
874
875         link->state &= ~DEV_CONFIG;
876
877         PDEBUG(DEBUG_FLOW, "release - done\n");
878 }
879
880
881 static int prism2_event(event_t event, int priority,
882                         event_callback_args_t *args)
883 {
884         dev_link_t *link = args->client_data;
885         struct net_device *dev = (struct net_device *) link->priv;
886
887         switch (event) {
888         case CS_EVENT_CARD_INSERTION:
889                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_INSERTION\n", dev_info);
890                 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
891                 if (prism2_config(link)) {
892                         PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n");
893                 }
894                 break;
895
896         case CS_EVENT_CARD_REMOVAL:
897                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_REMOVAL\n", dev_info);
898                 link->state &= ~DEV_PRESENT;
899                 if (link->state & DEV_CONFIG) {
900                         netif_stop_queue(dev);
901                         netif_device_detach(dev);
902                         prism2_release((u_long) link);
903                 }
904                 break;
905
906         case CS_EVENT_PM_SUSPEND:
907                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
908                 link->state |= DEV_SUSPEND;
909                 /* fall through */
910
911         case CS_EVENT_RESET_PHYSICAL:
912                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_RESET_PHYSICAL\n", dev_info);
913                 if (link->state & DEV_CONFIG) {
914                         if (link->open) {
915                                 netif_stop_queue(dev);
916                                 netif_device_detach(dev);
917                         }
918                         prism2_suspend(dev);
919                         pcmcia_release_configuration(link->handle);
920                 }
921                 break;
922
923         case CS_EVENT_PM_RESUME:
924                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
925                 link->state &= ~DEV_SUSPEND;
926                 /* fall through */
927
928         case CS_EVENT_CARD_RESET:
929                 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_RESET\n", dev_info);
930                 if (link->state & DEV_CONFIG) {
931                         pcmcia_request_configuration(link->handle,
932                                                      &link->conf);
933                         prism2_hw_shutdown(dev, 1);
934                         prism2_hw_config(dev, link->open ? 0 : 1);
935                         if (link->open) {
936                                 netif_device_attach(dev);
937                                 netif_start_queue(dev);
938                         }
939                 }
940                 break;
941
942         default:
943                 PDEBUG(DEBUG_EXTRA, "%s: prism2_event() - unknown event %d\n",
944                        dev_info, event);
945                 break;
946         }
947         return 0;
948 }
949
950
951 static struct pcmcia_device_id hostap_cs_ids[] = {
952         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100),
953         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300),
954         PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777),
955         PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000),
956         PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002),
957         PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0002),
958         PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002),
959         PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030b),
960         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612),
961         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613),
962         PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002),
963         PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002),
964         PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001),
965         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001),
966         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300),
967         PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000),
968         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002),
969         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005),
970         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010),
971         PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus",
972                                     0x7a954bd9, 0x74be00c6),
973         PCMCIA_DEVICE_PROD_ID1234(
974                 "Intersil", "PRISM 2_5 PCMCIA ADAPTER", "ISL37300P",
975                 "Eval-RevA",
976                 0x4b801a17, 0x6345a0bf, 0xc9049a39, 0xc23adc0e),
977         PCMCIA_DEVICE_PROD_ID123(
978                 "Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02",
979                 0xe6ec52ce, 0x08649af2, 0x4b74baa0),
980         PCMCIA_DEVICE_PROD_ID123(
981                 "D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02",
982                 0x71b18589, 0xb6f1b0ab, 0x4b74baa0),
983         PCMCIA_DEVICE_PROD_ID123(
984                 "Instant Wireless ", " Network PC CARD", "Version 01.02",
985                 0x11d901af, 0x6e9bd926, 0x4b74baa0),
986         PCMCIA_DEVICE_PROD_ID123(
987                 "SMC", "SMC2632W", "Version 01.02",
988                 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0),
989         PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G", 
990                                 0x1b01a57b, 0xefd5102a),
991         PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card",
992                                 0x54f7c49c, 0x15a75e5b),
993         PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE",
994                                 0x74c5e40d, 0xdb472a18),
995         PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card",
996                                 0x0733cc81, 0x0c52f395),
997         PCMCIA_DEVICE_PROD_ID12(
998                 "ZoomAir 11Mbps High", "Rate wireless Networking",
999                 0x273fe3db, 0x32a1eaee),
1000         PCMCIA_DEVICE_NULL
1001 };
1002 MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids);
1003
1004
1005 static struct pcmcia_driver hostap_driver = {
1006         .drv            = {
1007                 .name   = "hostap_cs",
1008         },
1009         .attach         = prism2_attach,
1010         .detach         = prism2_detach,
1011         .owner          = THIS_MODULE,
1012         .event          = prism2_event,
1013         .id_table       = hostap_cs_ids,
1014 };
1015
1016 static int __init init_prism2_pccard(void)
1017 {
1018         printk(KERN_INFO "%s: %s\n", dev_info, version);
1019         return pcmcia_register_driver(&hostap_driver);
1020 }
1021
1022 static void __exit exit_prism2_pccard(void)
1023 {
1024         pcmcia_unregister_driver(&hostap_driver);
1025         printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
1026 }
1027
1028
1029 module_init(init_prism2_pccard);
1030 module_exit(exit_prism2_pccard);