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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
29 MODULE_AUTHOR("Jouni Malinen");
30 MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN "
31                    "cards (PC Card).");
32 MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)");
33 MODULE_LICENSE("GPL");
34 MODULE_VERSION(PRISM2_VERSION);
35
36
37 static int ignore_cis_vcc;
38 module_param(ignore_cis_vcc, int, 0444);
39 MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry");
40
41
42 /* struct local_info::hw_priv */
43 struct hostap_cs_priv {
44         dev_node_t node;
45         dev_link_t *link;
46         int sandisk_connectplus;
47 };
48
49
50 #ifdef PRISM2_IO_DEBUG
51
52 static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
53 {
54         struct hostap_interface *iface;
55         local_info_t *local;
56         unsigned long flags;
57
58         iface = netdev_priv(dev);
59         local = iface->local;
60         spin_lock_irqsave(&local->lock, flags);
61         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
62         outb(v, dev->base_addr + a);
63         spin_unlock_irqrestore(&local->lock, flags);
64 }
65
66 static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
67 {
68         struct hostap_interface *iface;
69         local_info_t *local;
70         unsigned long flags;
71         u8 v;
72
73         iface = netdev_priv(dev);
74         local = iface->local;
75         spin_lock_irqsave(&local->lock, flags);
76         v = inb(dev->base_addr + a);
77         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v);
78         spin_unlock_irqrestore(&local->lock, flags);
79         return v;
80 }
81
82 static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v)
83 {
84         struct hostap_interface *iface;
85         local_info_t *local;
86         unsigned long flags;
87
88         iface = netdev_priv(dev);
89         local = iface->local;
90         spin_lock_irqsave(&local->lock, flags);
91         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
92         outw(v, dev->base_addr + a);
93         spin_unlock_irqrestore(&local->lock, flags);
94 }
95
96 static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
97 {
98         struct hostap_interface *iface;
99         local_info_t *local;
100         unsigned long flags;
101         u16 v;
102
103         iface = netdev_priv(dev);
104         local = iface->local;
105         spin_lock_irqsave(&local->lock, flags);
106         v = inw(dev->base_addr + a);
107         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
108         spin_unlock_irqrestore(&local->lock, flags);
109         return v;
110 }
111
112 static inline void hfa384x_outsw_debug(struct net_device *dev, int a,
113                                        u8 *buf, int wc)
114 {
115         struct hostap_interface *iface;
116         local_info_t *local;
117         unsigned long flags;
118
119         iface = netdev_priv(dev);
120         local = iface->local;
121         spin_lock_irqsave(&local->lock, flags);
122         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc);
123         outsw(dev->base_addr + a, buf, wc);
124         spin_unlock_irqrestore(&local->lock, flags);
125 }
126
127 static inline void hfa384x_insw_debug(struct net_device *dev, int a,
128                                       u8 *buf, int wc)
129 {
130         struct hostap_interface *iface;
131         local_info_t *local;
132         unsigned long flags;
133
134         iface = netdev_priv(dev);
135         local = iface->local;
136         spin_lock_irqsave(&local->lock, flags);
137         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc);
138         insw(dev->base_addr + a, buf, wc);
139         spin_unlock_irqrestore(&local->lock, flags);
140 }
141
142 #define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v))
143 #define HFA384X_INB(a) hfa384x_inb_debug(dev, (a))
144 #define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v))
145 #define HFA384X_INW(a) hfa384x_inw_debug(dev, (a))
146 #define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc))
147 #define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc))
148
149 #else /* PRISM2_IO_DEBUG */
150
151 #define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a))
152 #define HFA384X_INB(a) inb(dev->base_addr + (a))
153 #define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a))
154 #define HFA384X_INW(a) inw(dev->base_addr + (a))
155 #define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc)
156 #define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc)
157
158 #endif /* PRISM2_IO_DEBUG */
159
160
161 static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf,
162                             int len)
163 {
164         u16 d_off;
165         u16 *pos;
166
167         d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
168         pos = (u16 *) buf;
169
170         if (len / 2)
171                 HFA384X_INSW(d_off, buf, len / 2);
172         pos += len / 2;
173
174         if (len & 1)
175                 *((char *) pos) = HFA384X_INB(d_off);
176
177         return 0;
178 }
179
180
181 static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len)
182 {
183         u16 d_off;
184         u16 *pos;
185
186         d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
187         pos = (u16 *) buf;
188
189         if (len / 2)
190                 HFA384X_OUTSW(d_off, buf, len / 2);
191         pos += len / 2;
192
193         if (len & 1)
194                 HFA384X_OUTB(*((char *) pos), d_off);
195
196         return 0;
197 }
198
199
200 /* FIX: This might change at some point.. */
201 #include "hostap_hw.c"
202
203
204
205 static void prism2_detach(struct pcmcia_device *p_dev);
206 static void prism2_release(u_long arg);
207 static int prism2_config(dev_link_t *link);
208
209
210 static int prism2_pccard_card_present(local_info_t *local)
211 {
212         struct hostap_cs_priv *hw_priv = local->hw_priv;
213         if (hw_priv != NULL && hw_priv->link != NULL &&
214             ((hw_priv->link->state & (DEV_PRESENT | DEV_CONFIG)) ==
215              (DEV_PRESENT | DEV_CONFIG)))
216                 return 1;
217         return 0;
218 }
219
220
221 /*
222  * SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0
223  * Document No. 20-10-00058, January 2004
224  * http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf
225  */
226 #define SANDISK_WLAN_ACTIVATION_OFF 0x40
227 #define SANDISK_HCR_OFF 0x42
228
229
230 static void sandisk_set_iobase(local_info_t *local)
231 {
232         int res;
233         conf_reg_t reg;
234         struct hostap_cs_priv *hw_priv = local->hw_priv;
235
236         reg.Function = 0;
237         reg.Action = CS_WRITE;
238         reg.Offset = 0x10; /* 0x3f0 IO base 1 */
239         reg.Value = hw_priv->link->io.BasePort1 & 0x00ff;
240         res = pcmcia_access_configuration_register(hw_priv->link->handle,
241                                                    &reg);
242         if (res != CS_SUCCESS) {
243                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -"
244                        " res=%d\n", res);
245         }
246         udelay(10);
247
248         reg.Function = 0;
249         reg.Action = CS_WRITE;
250         reg.Offset = 0x12; /* 0x3f2 IO base 2 */
251         reg.Value = (hw_priv->link->io.BasePort1 & 0xff00) >> 8;
252         res = pcmcia_access_configuration_register(hw_priv->link->handle,
253                                                    &reg);
254         if (res != CS_SUCCESS) {
255                 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -"
256                        " res=%d\n", res);
257         }
258 }
259
260
261 static void sandisk_write_hcr(local_info_t *local, int hcr)
262 {
263         struct net_device *dev = local->dev;
264         int i;
265
266         HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF);
267         udelay(50);
268         for (i = 0; i < 10; i++) {
269                 HFA384X_OUTB(hcr, SANDISK_HCR_OFF);
270         }
271         udelay(55);
272         HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF);
273 }
274
275
276 static int sandisk_enable_wireless(struct net_device *dev)
277 {
278         int res, ret = 0;
279         conf_reg_t reg;
280         struct hostap_interface *iface = dev->priv;
281         local_info_t *local = iface->local;
282         tuple_t tuple;
283         cisparse_t *parse = NULL;
284         u_char buf[64];
285         struct hostap_cs_priv *hw_priv = local->hw_priv;
286
287         if (hw_priv->link->io.NumPorts1 < 0x42) {
288                 /* Not enough ports to be SanDisk multi-function card */
289                 ret = -ENODEV;
290                 goto done;
291         }
292
293         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
294         if (parse == NULL) {
295                 ret = -ENOMEM;
296                 goto done;
297         }
298
299         tuple.DesiredTuple = CISTPL_MANFID;
300         tuple.Attributes = TUPLE_RETURN_COMMON;
301         tuple.TupleData = buf;
302         tuple.TupleDataMax = sizeof(buf);
303         tuple.TupleOffset = 0;
304         if (pcmcia_get_first_tuple(hw_priv->link->handle, &tuple) ||
305             pcmcia_get_tuple_data(hw_priv->link->handle, &tuple) ||
306             pcmcia_parse_tuple(hw_priv->link->handle, &tuple, parse) ||
307             parse->manfid.manf != 0xd601 || parse->manfid.card != 0x0101) {
308                 /* No SanDisk manfid found */
309                 ret = -ENODEV;
310                 goto done;
311         }
312
313         tuple.DesiredTuple = CISTPL_LONGLINK_MFC;
314         if (pcmcia_get_first_tuple(hw_priv->link->handle, &tuple) ||
315             pcmcia_get_tuple_data(hw_priv->link->handle, &tuple) ||
316             pcmcia_parse_tuple(hw_priv->link->handle, &tuple, parse) ||
317                 parse->longlink_mfc.nfn < 2) {
318                 /* No multi-function links found */
319                 ret = -ENODEV;
320                 goto done;
321         }
322
323         printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected"
324                " - using vendor-specific initialization\n", dev->name);
325         hw_priv->sandisk_connectplus = 1;
326
327         reg.Function = 0;
328         reg.Action = CS_WRITE;
329         reg.Offset = CISREG_COR;
330         reg.Value = COR_SOFT_RESET;
331         res = pcmcia_access_configuration_register(hw_priv->link->handle,
332                                                    &reg);
333         if (res != CS_SUCCESS) {
334                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
335                        dev->name, res);
336                 goto done;
337         }
338         mdelay(5);
339
340         reg.Function = 0;
341         reg.Action = CS_WRITE;
342         reg.Offset = CISREG_COR;
343         /*
344          * Do not enable interrupts here to avoid some bogus events. Interrupts
345          * will be enabled during the first cor_sreset call.
346          */
347         reg.Value = COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE | COR_FUNC_ENA;
348         res = pcmcia_access_configuration_register(hw_priv->link->handle,
349                                                    &reg);
350         if (res != CS_SUCCESS) {
351                 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
352                        dev->name, res);
353                 goto done;
354         }
355         mdelay(5);
356
357         sandisk_set_iobase(local);
358
359         HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF);
360         udelay(10);
361         HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF);
362         udelay(10);
363
364 done:
365         kfree(parse);
366         return ret;
367 }
368
369
370 static void prism2_pccard_cor_sreset(local_info_t *local)
371 {
372         int res;
373         conf_reg_t reg;
374         struct hostap_cs_priv *hw_priv = local->hw_priv;
375
376         if (!prism2_pccard_card_present(local))
377                return;
378
379         reg.Function = 0;
380         reg.Action = CS_READ;
381         reg.Offset = CISREG_COR;
382         reg.Value = 0;
383         res = pcmcia_access_configuration_register(hw_priv->link->handle,
384                                                    &reg);
385         if (res != CS_SUCCESS) {
386                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n",
387                        res);
388                 return;
389         }
390         printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n",
391                reg.Value);
392
393         reg.Action = CS_WRITE;
394         reg.Value |= COR_SOFT_RESET;
395         res = pcmcia_access_configuration_register(hw_priv->link->handle,
396                                                    &reg);
397         if (res != CS_SUCCESS) {
398                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n",
399                        res);
400                 return;
401         }
402
403         mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
404
405         reg.Value &= ~COR_SOFT_RESET;
406         if (hw_priv->sandisk_connectplus)
407                 reg.Value |= COR_IREQ_ENA;
408         res = pcmcia_access_configuration_register(hw_priv->link->handle,
409                                                    &reg);
410         if (res != CS_SUCCESS) {
411                 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n",
412                        res);
413                 return;
414         }
415
416         mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
417
418         if (hw_priv->sandisk_connectplus)
419                 sandisk_set_iobase(local);
420 }
421
422
423 static void prism2_pccard_genesis_reset(local_info_t *local, int hcr)
424 {
425         int res;
426         conf_reg_t reg;
427         int old_cor;
428         struct hostap_cs_priv *hw_priv = local->hw_priv;
429
430         if (!prism2_pccard_card_present(local))
431                return;
432
433         if (hw_priv->sandisk_connectplus) {
434                 sandisk_write_hcr(local, hcr);
435                 return;
436         }
437
438         reg.Function = 0;
439         reg.Action = CS_READ;
440         reg.Offset = CISREG_COR;
441         reg.Value = 0;
442         res = pcmcia_access_configuration_register(hw_priv->link->handle,
443                                                    &reg);
444         if (res != CS_SUCCESS) {
445                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 "
446                        "(%d)\n", res);
447                 return;
448         }
449         printk(KERN_DEBUG "prism2_pccard_genesis_sreset: original COR %02x\n",
450                reg.Value);
451         old_cor = reg.Value;
452
453         reg.Action = CS_WRITE;
454         reg.Value |= COR_SOFT_RESET;
455         res = pcmcia_access_configuration_register(hw_priv->link->handle,
456                                                    &reg);
457         if (res != CS_SUCCESS) {
458                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 "
459                        "(%d)\n", res);
460                 return;
461         }
462
463         mdelay(10);
464
465         /* Setup Genesis mode */
466         reg.Action = CS_WRITE;
467         reg.Value = hcr;
468         reg.Offset = CISREG_CCSR;
469         res = pcmcia_access_configuration_register(hw_priv->link->handle,
470                                                    &reg);
471         if (res != CS_SUCCESS) {
472                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 "
473                        "(%d)\n", res);
474                 return;
475         }
476         mdelay(10);
477
478         reg.Action = CS_WRITE;
479         reg.Offset = CISREG_COR;
480         reg.Value = old_cor & ~COR_SOFT_RESET;
481         res = pcmcia_access_configuration_register(hw_priv->link->handle,
482                                                    &reg);
483         if (res != CS_SUCCESS) {
484                 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 "
485                        "(%d)\n", res);
486                 return;
487         }
488
489         mdelay(10);
490 }
491
492
493 static struct prism2_helper_functions prism2_pccard_funcs =
494 {
495         .card_present   = prism2_pccard_card_present,
496         .cor_sreset     = prism2_pccard_cor_sreset,
497         .genesis_reset  = prism2_pccard_genesis_reset,
498         .hw_type        = HOSTAP_HW_PCCARD,
499 };
500
501
502 /* allocate local data and register with CardServices
503  * initialize dev_link structure, but do not configure the card yet */
504 static int prism2_attach(struct pcmcia_device *p_dev)
505 {
506         dev_link_t *link;
507
508         link = kmalloc(sizeof(dev_link_t), GFP_KERNEL);
509         if (link == NULL)
510                 return -ENOMEM;
511
512         memset(link, 0, sizeof(dev_link_t));
513
514         PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info);
515         link->conf.Vcc = 33;
516         link->conf.IntType = INT_MEMORY_AND_IO;
517
518         link->handle = p_dev;
519         p_dev->instance = link;
520
521         link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
522         if (prism2_config(link))
523                 PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n");
524
525         return 0;
526 }
527
528
529 static void prism2_detach(struct pcmcia_device *p_dev)
530 {
531         dev_link_t *link = dev_to_instance(p_dev);
532
533         PDEBUG(DEBUG_FLOW, "prism2_detach\n");
534
535         if (link->state & DEV_CONFIG) {
536                 prism2_release((u_long)link);
537         }
538
539         /* release net devices */
540         if (link->priv) {
541                 struct hostap_cs_priv *hw_priv;
542                 struct net_device *dev;
543                 struct hostap_interface *iface;
544                 dev = link->priv;
545                 iface = netdev_priv(dev);
546                 hw_priv = iface->local->hw_priv;
547                 prism2_free_local_data(dev);
548                 kfree(hw_priv);
549         }
550         kfree(link);
551 }
552
553
554 #define CS_CHECK(fn, ret) \
555 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
556
557 #define CFG_CHECK2(fn, retf) \
558 do { int ret = (retf); \
559 if (ret != 0) { \
560         PDEBUG(DEBUG_EXTRA, "CardServices(" #fn ") returned %d\n", ret); \
561         cs_error(link->handle, fn, ret); \
562         goto next_entry; \
563 } \
564 } while (0)
565
566
567 /* run after a CARD_INSERTION event is received to configure the PCMCIA
568  * socket and make the device available to the system */
569 static int prism2_config(dev_link_t *link)
570 {
571         struct net_device *dev;
572         struct hostap_interface *iface;
573         local_info_t *local;
574         int ret = 1;
575         tuple_t tuple;
576         cisparse_t *parse;
577         int last_fn, last_ret;
578         u_char buf[64];
579         config_info_t conf;
580         cistpl_cftable_entry_t dflt = { 0 };
581         struct hostap_cs_priv *hw_priv;
582
583         PDEBUG(DEBUG_FLOW, "prism2_config()\n");
584
585         parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
586         hw_priv = kmalloc(sizeof(*hw_priv), GFP_KERNEL);
587         if (parse == NULL || hw_priv == NULL) {
588                 kfree(parse);
589                 kfree(hw_priv);
590                 ret = -ENOMEM;
591                 goto failed;
592         }
593         memset(hw_priv, 0, sizeof(*hw_priv));
594
595         tuple.DesiredTuple = CISTPL_CONFIG;
596         tuple.Attributes = 0;
597         tuple.TupleData = buf;
598         tuple.TupleDataMax = sizeof(buf);
599         tuple.TupleOffset = 0;
600         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
601         CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link->handle, &tuple));
602         CS_CHECK(ParseTuple, pcmcia_parse_tuple(link->handle, &tuple, parse));
603         link->conf.ConfigBase = parse->config.base;
604         link->conf.Present = parse->config.rmask[0];
605
606         CS_CHECK(GetConfigurationInfo,
607                  pcmcia_get_configuration_info(link->handle, &conf));
608         PDEBUG(DEBUG_HW, "%s: %s Vcc=%d (from config)\n", dev_info,
609                ignore_cis_vcc ? "ignoring" : "setting", conf.Vcc);
610         link->conf.Vcc = conf.Vcc;
611
612         /* Look for an appropriate configuration table entry in the CIS */
613         tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
614         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
615         for (;;) {
616                 cistpl_cftable_entry_t *cfg = &(parse->cftable_entry);
617                 CFG_CHECK2(GetTupleData,
618                            pcmcia_get_tuple_data(link->handle, &tuple));
619                 CFG_CHECK2(ParseTuple,
620                            pcmcia_parse_tuple(link->handle, &tuple, parse));
621
622                 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
623                         dflt = *cfg;
624                 if (cfg->index == 0)
625                         goto next_entry;
626                 link->conf.ConfigIndex = cfg->index;
627                 PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
628                        "(default 0x%02X)\n", cfg->index, dflt.index);
629
630                 /* Does this card need audio output? */
631                 if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
632                         link->conf.Attributes |= CONF_ENABLE_SPKR;
633                         link->conf.Status = CCSR_AUDIO_ENA;
634                 }
635
636                 /* Use power settings for Vcc and Vpp if present */
637                 /*  Note that the CIS values need to be rescaled */
638                 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
639                         if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
640                             10000 && !ignore_cis_vcc) {
641                                 PDEBUG(DEBUG_EXTRA, "  Vcc mismatch - skipping"
642                                        " this entry\n");
643                                 goto next_entry;
644                         }
645                 } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
646                         if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
647                             10000 && !ignore_cis_vcc) {
648                                 PDEBUG(DEBUG_EXTRA, "  Vcc (default) mismatch "
649                                        "- skipping this entry\n");
650                                 goto next_entry;
651                         }
652                 }
653
654                 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
655                         link->conf.Vpp1 = link->conf.Vpp2 =
656                                 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
657                 else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
658                         link->conf.Vpp1 = link->conf.Vpp2 =
659                                 dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
660
661                 /* Do we need to allocate an interrupt? */
662                 if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
663                         link->conf.Attributes |= CONF_ENABLE_IRQ;
664                 else if (!(link->conf.Attributes & CONF_ENABLE_IRQ)) {
665                         /* At least Compaq WL200 does not have IRQInfo1 set,
666                          * but it does not work without interrupts.. */
667                         printk("Config has no IRQ info, but trying to enable "
668                                "IRQ anyway..\n");
669                         link->conf.Attributes |= CONF_ENABLE_IRQ;
670                 }
671
672                 /* IO window settings */
673                 PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
674                        "dflt.io.nwin=%d\n",
675                        cfg->io.nwin, dflt.io.nwin);
676                 link->io.NumPorts1 = link->io.NumPorts2 = 0;
677                 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
678                         cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
679                         link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
680                         PDEBUG(DEBUG_EXTRA, "io->flags = 0x%04X, "
681                                "io.base=0x%04x, len=%d\n", io->flags,
682                                io->win[0].base, io->win[0].len);
683                         if (!(io->flags & CISTPL_IO_8BIT))
684                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
685                         if (!(io->flags & CISTPL_IO_16BIT))
686                                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
687                         link->io.IOAddrLines = io->flags &
688                                 CISTPL_IO_LINES_MASK;
689                         link->io.BasePort1 = io->win[0].base;
690                         link->io.NumPorts1 = io->win[0].len;
691                         if (io->nwin > 1) {
692                                 link->io.Attributes2 = link->io.Attributes1;
693                                 link->io.BasePort2 = io->win[1].base;
694                                 link->io.NumPorts2 = io->win[1].len;
695                         }
696                 }
697
698                 /* This reserves IO space but doesn't actually enable it */
699                 CFG_CHECK2(RequestIO,
700                            pcmcia_request_io(link->handle, &link->io));
701
702                 /* This configuration table entry is OK */
703                 break;
704
705         next_entry:
706                 CS_CHECK(GetNextTuple,
707                          pcmcia_get_next_tuple(link->handle, &tuple));
708         }
709
710         /* Need to allocate net_device before requesting IRQ handler */
711         dev = prism2_init_local_data(&prism2_pccard_funcs, 0,
712                                      &handle_to_dev(link->handle));
713         if (dev == NULL)
714                 goto failed;
715         link->priv = dev;
716
717         iface = netdev_priv(dev);
718         local = iface->local;
719         local->hw_priv = hw_priv;
720         hw_priv->link = link;
721         strcpy(hw_priv->node.dev_name, dev->name);
722         link->dev = &hw_priv->node;
723
724         /*
725          * Allocate an interrupt line.  Note that this does not assign a
726          * handler to the interrupt, unless the 'Handler' member of the
727          * irq structure is initialized.
728          */
729         if (link->conf.Attributes & CONF_ENABLE_IRQ) {
730                 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
731                 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
732                 link->irq.Handler = prism2_interrupt;
733                 link->irq.Instance = dev;
734                 CS_CHECK(RequestIRQ,
735                          pcmcia_request_irq(link->handle, &link->irq));
736         }
737
738         /*
739          * This actually configures the PCMCIA socket -- setting up
740          * the I/O windows and the interrupt mapping, and putting the
741          * card and host interface into "Memory and IO" mode.
742          */
743         CS_CHECK(RequestConfiguration,
744                  pcmcia_request_configuration(link->handle, &link->conf));
745
746         dev->irq = link->irq.AssignedIRQ;
747         dev->base_addr = link->io.BasePort1;
748
749         /* Finally, report what we've done */
750         printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
751                dev_info, link->conf.ConfigIndex,
752                link->conf.Vcc / 10, link->conf.Vcc % 10);
753         if (link->conf.Vpp1)
754                 printk(", Vpp %d.%d", link->conf.Vpp1 / 10,
755                        link->conf.Vpp1 % 10);
756         if (link->conf.Attributes & CONF_ENABLE_IRQ)
757                 printk(", irq %d", link->irq.AssignedIRQ);
758         if (link->io.NumPorts1)
759                 printk(", io 0x%04x-0x%04x", link->io.BasePort1,
760                        link->io.BasePort1+link->io.NumPorts1-1);
761         if (link->io.NumPorts2)
762                 printk(" & 0x%04x-0x%04x", link->io.BasePort2,
763                        link->io.BasePort2+link->io.NumPorts2-1);
764         printk("\n");
765
766         link->state |= DEV_CONFIG;
767         link->state &= ~DEV_CONFIG_PENDING;
768
769         local->shutdown = 0;
770
771         sandisk_enable_wireless(dev);
772
773         ret = prism2_hw_config(dev, 1);
774         if (!ret) {
775                 ret = hostap_hw_ready(dev);
776                 if (ret == 0 && local->ddev)
777                         strcpy(hw_priv->node.dev_name, local->ddev->name);
778         }
779         kfree(parse);
780         return ret;
781
782  cs_failed:
783         cs_error(link->handle, last_fn, last_ret);
784
785  failed:
786         kfree(parse);
787         kfree(hw_priv);
788         prism2_release((u_long)link);
789         return ret;
790 }
791
792
793 static void prism2_release(u_long arg)
794 {
795         dev_link_t *link = (dev_link_t *)arg;
796
797         PDEBUG(DEBUG_FLOW, "prism2_release\n");
798
799         if (link->priv) {
800                 struct net_device *dev = link->priv;
801                 struct hostap_interface *iface;
802
803                 iface = netdev_priv(dev);
804                 if (link->state & DEV_CONFIG)
805                         prism2_hw_shutdown(dev, 0);
806                 iface->local->shutdown = 1;
807         }
808
809         if (link->win)
810                 pcmcia_release_window(link->win);
811         pcmcia_release_configuration(link->handle);
812         if (link->io.NumPorts1)
813                 pcmcia_release_io(link->handle, &link->io);
814         if (link->irq.AssignedIRQ)
815                 pcmcia_release_irq(link->handle, &link->irq);
816
817         link->state &= ~DEV_CONFIG;
818
819         PDEBUG(DEBUG_FLOW, "release - done\n");
820 }
821
822 static int hostap_cs_suspend(struct pcmcia_device *p_dev)
823 {
824         dev_link_t *link = dev_to_instance(p_dev);
825         struct net_device *dev = (struct net_device *) link->priv;
826         int dev_open = 0;
827
828         PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
829
830         link->state |= DEV_SUSPEND;
831
832         if (link->state & DEV_CONFIG) {
833                 struct hostap_interface *iface = netdev_priv(dev);
834                 if (iface && iface->local)
835                         dev_open = iface->local->num_dev_open > 0;
836                 if (dev_open) {
837                         netif_stop_queue(dev);
838                         netif_device_detach(dev);
839                 }
840                 prism2_suspend(dev);
841                 pcmcia_release_configuration(link->handle);
842         }
843
844         return 0;
845 }
846
847 static int hostap_cs_resume(struct pcmcia_device *p_dev)
848 {
849         dev_link_t *link = dev_to_instance(p_dev);
850         struct net_device *dev = (struct net_device *) link->priv;
851         int dev_open = 0;
852
853         PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
854
855         link->state &= ~DEV_SUSPEND;
856         if (link->state & DEV_CONFIG) {
857                 struct hostap_interface *iface = netdev_priv(dev);
858                 if (iface && iface->local)
859                         dev_open = iface->local->num_dev_open > 0;
860
861                 pcmcia_request_configuration(link->handle, &link->conf);
862
863                 prism2_hw_shutdown(dev, 1);
864                 prism2_hw_config(dev, dev_open ? 0 : 1);
865                 if (dev_open) {
866                         netif_device_attach(dev);
867                         netif_start_queue(dev);
868                 }
869         }
870
871         return 0;
872 }
873
874 static struct pcmcia_device_id hostap_cs_ids[] = {
875         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100),
876         PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300),
877         PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777),
878         PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000),
879         PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002),
880         PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0002),
881         PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002),
882         PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030b),
883         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612),
884         PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613),
885         PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002),
886         PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002),
887         PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001),
888         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001),
889         PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300),
890         PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000),
891         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002),
892         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005),
893         PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010),
894         PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus",
895                                     0x7a954bd9, 0x74be00c6),
896         PCMCIA_DEVICE_PROD_ID1234(
897                 "Intersil", "PRISM 2_5 PCMCIA ADAPTER", "ISL37300P",
898                 "Eval-RevA",
899                 0x4b801a17, 0x6345a0bf, 0xc9049a39, 0xc23adc0e),
900         PCMCIA_DEVICE_PROD_ID123(
901                 "Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02",
902                 0xe6ec52ce, 0x08649af2, 0x4b74baa0),
903         PCMCIA_DEVICE_PROD_ID123(
904                 "D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02",
905                 0x71b18589, 0xb6f1b0ab, 0x4b74baa0),
906         PCMCIA_DEVICE_PROD_ID123(
907                 "Instant Wireless ", " Network PC CARD", "Version 01.02",
908                 0x11d901af, 0x6e9bd926, 0x4b74baa0),
909         PCMCIA_DEVICE_PROD_ID123(
910                 "SMC", "SMC2632W", "Version 01.02",
911                 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0),
912         PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G", 
913                                 0x2decece3, 0x82067c18),
914         PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card",
915                                 0x54f7c49c, 0x15a75e5b),
916         PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE",
917                                 0x74c5e40d, 0xdb472a18),
918         PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card",
919                                 0x0733cc81, 0x0c52f395),
920         PCMCIA_DEVICE_PROD_ID12(
921                 "ZoomAir 11Mbps High", "Rate wireless Networking",
922                 0x273fe3db, 0x32a1eaee),
923         PCMCIA_DEVICE_NULL
924 };
925 MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids);
926
927
928 static struct pcmcia_driver hostap_driver = {
929         .drv            = {
930                 .name   = "hostap_cs",
931         },
932         .probe          = prism2_attach,
933         .remove         = prism2_detach,
934         .owner          = THIS_MODULE,
935         .id_table       = hostap_cs_ids,
936         .suspend        = hostap_cs_suspend,
937         .resume         = hostap_cs_resume,
938 };
939
940 static int __init init_prism2_pccard(void)
941 {
942         printk(KERN_INFO "%s: %s\n", dev_info, version);
943         return pcmcia_register_driver(&hostap_driver);
944 }
945
946 static void __exit exit_prism2_pccard(void)
947 {
948         pcmcia_unregister_driver(&hostap_driver);
949         printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
950 }
951
952
953 module_init(init_prism2_pccard);
954 module_exit(exit_prism2_pccard);