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[PATCH] hostap update
[linux-2.6-block.git] / drivers / net / wireless / hostap / hostap_cs.c
CommitLineData
ff1d2767
JM		 1#define PRISM2_PCCARD
2
3#include <linux/config.h>
ff1d2767
JM		 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
ff1d2767
JM		 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
26static char *version = PRISM2_VERSION " (Jouni Malinen <jkmaline@cc.hut.fi>)";
27static dev_info_t dev_info = "hostap_cs";
28static dev_link_t *dev_list = NULL;
29
30MODULE_AUTHOR("Jouni Malinen");
31MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN "
32 "cards (PC Card).");
33MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)");
34MODULE_LICENSE("GPL");
35
36
37static int irq_mask = 0xdeb8;
38module_param(irq_mask, int, 0444);
39
40static int irq_list[4] = { -1 };
41module_param_array(irq_list, int, NULL, 0444);
42
43static int ignore_cis_vcc;
44module_param(ignore_cis_vcc, int, 0444);
45MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry");
46
47
48#ifdef PRISM2_IO_DEBUG
49
50static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
51{
52 struct hostap_interface *iface;
53 local_info_t *local;
54 unsigned long flags;
55
56 iface = netdev_priv(dev);
57 local = iface->local;
58 spin_lock_irqsave(&local->lock, flags);
59 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
60 outb(v, dev->base_addr + a);
61 spin_unlock_irqrestore(&local->lock, flags);
62}
63
64static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
65{
66 struct hostap_interface *iface;
67 local_info_t *local;
68 unsigned long flags;
69 u8 v;
70
71 iface = netdev_priv(dev);
72 local = iface->local;
73 spin_lock_irqsave(&local->lock, flags);
74 v = inb(dev->base_addr + a);
75 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v);
76 spin_unlock_irqrestore(&local->lock, flags);
77 return v;
78}
79
80static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v)
81{
82 struct hostap_interface *iface;
83 local_info_t *local;
84 unsigned long flags;
85
86 iface = netdev_priv(dev);
87 local = iface->local;
88 spin_lock_irqsave(&local->lock, flags);
89 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
90 outw(v, dev->base_addr + a);
91 spin_unlock_irqrestore(&local->lock, flags);
92}
93
94static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
95{
96 struct hostap_interface *iface;
97 local_info_t *local;
98 unsigned long flags;
99 u16 v;
100
101 iface = netdev_priv(dev);
102 local = iface->local;
103 spin_lock_irqsave(&local->lock, flags);
104 v = inw(dev->base_addr + a);
105 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
106 spin_unlock_irqrestore(&local->lock, flags);
107 return v;
108}
109
110static inline void hfa384x_outsw_debug(struct net_device *dev, int a,
111 u8 *buf, int wc)
112{
113 struct hostap_interface *iface;
114 local_info_t *local;
115 unsigned long flags;
116
117 iface = netdev_priv(dev);
118 local = iface->local;
119 spin_lock_irqsave(&local->lock, flags);
120 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc);
121 outsw(dev->base_addr + a, buf, wc);
122 spin_unlock_irqrestore(&local->lock, flags);
123}
124
125static inline void hfa384x_insw_debug(struct net_device *dev, int a,
126 u8 *buf, int wc)
127{
128 struct hostap_interface *iface;
129 local_info_t *local;
130 unsigned long flags;
131
132 iface = netdev_priv(dev);
133 local = iface->local;
134 spin_lock_irqsave(&local->lock, flags);
135 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc);
136 insw(dev->base_addr + a, buf, wc);
137 spin_unlock_irqrestore(&local->lock, flags);
138}
139
140#define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v))
141#define HFA384X_INB(a) hfa384x_inb_debug(dev, (a))
142#define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v))
143#define HFA384X_INW(a) hfa384x_inw_debug(dev, (a))
144#define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc))
145#define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc))
146
147#else /* PRISM2_IO_DEBUG */
148
149#define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a))
150#define HFA384X_INB(a) inb(dev->base_addr + (a))
151#define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a))
152#define HFA384X_INW(a) inw(dev->base_addr + (a))
153#define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc)
154#define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc)
155
156#endif /* PRISM2_IO_DEBUG */
157
158
159static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf,
160 int len)
161{
162 u16 d_off;
163 u16 *pos;
164
165 d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
166 pos = (u16 *) buf;
167
168 if (len / 2)
169 HFA384X_INSW(d_off, buf, len / 2);
170 pos += len / 2;
171
172 if (len & 1)
173 *((char *) pos) = HFA384X_INB(d_off);
174
175 return 0;
176}
177
178
179static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len)
180{
181 u16 d_off;
182 u16 *pos;
183
184 d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
185 pos = (u16 *) buf;
186
187 if (len / 2)
188 HFA384X_OUTSW(d_off, buf, len / 2);
189 pos += len / 2;
190
191 if (len & 1)
192 HFA384X_OUTB(*((char *) pos), d_off);
193
194 return 0;
195}
196
197
198/* FIX: This might change at some point.. */
199#include "hostap_hw.c"
200
201
202
203static void prism2_detach(dev_link_t *link);
204static void prism2_release(u_long arg);
205static int prism2_event(event_t event, int priority,
206 event_callback_args_t *args);
207
208
209static int prism2_pccard_card_present(local_info_t *local)
210{
211 if (local->link != NULL &&
212 ((local->link->state & (DEV_PRESENT | DEV_CONFIG)) ==
213 (DEV_PRESENT | DEV_CONFIG)))
214 return 1;
215 return 0;
216}
217
218
219/*
220 * SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0
221 * Document No. 20-10-00058, January 2004
222 * http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf
223 */
224#define SANDISK_WLAN_ACTIVATION_OFF 0x40
225#define SANDISK_HCR_OFF 0x42
226
227
228static void sandisk_set_iobase(local_info_t *local)
229{
230 int res;
231 conf_reg_t reg;
232
233 reg.Function = 0;
234 reg.Action = CS_WRITE;
235 reg.Offset = 0x10; /* 0x3f0 IO base 1 */
236 reg.Value = local->link->io.BasePort1 & 0x00ff;
237 res = pcmcia_access_configuration_register(local->link->handle, &reg);
238 if (res != CS_SUCCESS) {
239 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -"
240 " res=%d\n", res);
241 }
242 udelay(10);
243
244 reg.Function = 0;
245 reg.Action = CS_WRITE;
246 reg.Offset = 0x12; /* 0x3f2 IO base 2 */
247 reg.Value = (local->link->io.BasePort1 & 0xff00) >> 8;
248 res = pcmcia_access_configuration_register(local->link->handle, &reg);
249 if (res != CS_SUCCESS) {
250 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -"
251 " res=%d\n", res);
252 }
253}
254
255
256static void sandisk_write_hcr(local_info_t *local, int hcr)
257{
258 struct net_device *dev = local->dev;
259 int i;
260
261 HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF);
262 udelay(50);
263 for (i = 0; i < 10; i++) {
264 HFA384X_OUTB(hcr, SANDISK_HCR_OFF);
265 }
266 udelay(55);
267 HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF);
268}
269
270
271static int sandisk_enable_wireless(struct net_device *dev)
272{
273 int res, ret = 0;
274 conf_reg_t reg;
275 struct hostap_interface *iface = dev->priv;
276 local_info_t *local = iface->local;
277 tuple_t tuple;
278 cisparse_t *parse = NULL;
279 u_char buf[64];
280
281 if (local->link->io.NumPorts1 < 0x42) {
282 /* Not enough ports to be SanDisk multi-function card */
283 ret = -ENODEV;
284 goto done;
285 }
286
287 parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
288 if (parse == NULL) {
289 ret = -ENOMEM;
290 goto done;
291 }
292
293 tuple.DesiredTuple = CISTPL_MANFID;
294 tuple.Attributes = TUPLE_RETURN_COMMON;
295 tuple.TupleData = buf;
296 tuple.TupleDataMax = sizeof(buf);
297 tuple.TupleOffset = 0;
298 if (pcmcia_get_first_tuple(local->link->handle, &tuple) ||
299 pcmcia_get_tuple_data(local->link->handle, &tuple) ||
300 pcmcia_parse_tuple(local->link->handle, &tuple, parse) ||
301 parse->manfid.manf != 0xd601 || parse->manfid.card != 0x0101) {
302 /* No SanDisk manfid found */
303 ret = -ENODEV;
304 goto done;
305 }
306
307 tuple.DesiredTuple = CISTPL_LONGLINK_MFC;
308 if (pcmcia_get_first_tuple(local->link->handle, &tuple) ||
309 pcmcia_get_tuple_data(local->link->handle, &tuple) ||
310 pcmcia_parse_tuple(local->link->handle, &tuple, parse) ||
311 parse->longlink_mfc.nfn < 2) {
312 /* No multi-function links found */
313 ret = -ENODEV;
314 goto done;
315 }
316
317 printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected"
318 " - using vendor-specific initialization\n", dev->name);
319 local->sandisk_connectplus = 1;
320
321 reg.Function = 0;
322 reg.Action = CS_WRITE;
323 reg.Offset = CISREG_COR;
324 reg.Value = COR_SOFT_RESET;
325 res = pcmcia_access_configuration_register(local->link->handle, &reg);
326 if (res != CS_SUCCESS) {
327 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
328 dev->name, res);
329 goto done;
330 }
331 mdelay(5);
332
333 reg.Function = 0;
334 reg.Action = CS_WRITE;
335 reg.Offset = CISREG_COR;
336 /*
337 * Do not enable interrupts here to avoid some bogus events. Interrupts
338 * will be enabled during the first cor_sreset call.
339 */
340 reg.Value = COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE | COR_FUNC_ENA;
341 res = pcmcia_access_configuration_register(local->link->handle, &reg);
342 if (res != CS_SUCCESS) {
343 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
344 dev->name, res);
345 goto done;
346 }
347 mdelay(5);
348
349 sandisk_set_iobase(local);
350
351 HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF);
352 udelay(10);
353 HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF);
354 udelay(10);
355
356done:
357 kfree(parse);
358 return ret;
359}
360
361
362static void prism2_pccard_cor_sreset(local_info_t *local)
363{
364 int res;
365 conf_reg_t reg;
366
367 if (!prism2_pccard_card_present(local))
368 return;
369
370 reg.Function = 0;
371 reg.Action = CS_READ;
372 reg.Offset = CISREG_COR;
373 reg.Value = 0;
374 res = pcmcia_access_configuration_register(local->link->handle, &reg);
375 if (res != CS_SUCCESS) {
376 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n",
377 res);
378 return;
379 }
380 printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n",
381 reg.Value);
382
383 reg.Action = CS_WRITE;
384 reg.Value |= COR_SOFT_RESET;
385 res = pcmcia_access_configuration_register(local->link->handle, &reg);
386 if (res != CS_SUCCESS) {
387 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n",
388 res);
389 return;
390 }
391
392 mdelay(local->sandisk_connectplus ? 5 : 2);
393
394 reg.Value &= ~COR_SOFT_RESET;
395 if (local->sandisk_connectplus)
396 reg.Value |= COR_IREQ_ENA;
397 res = pcmcia_access_configuration_register(local->link->handle, &reg);
398 if (res != CS_SUCCESS) {
399 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n",
400 res);
401 return;
402 }
403
404 mdelay(local->sandisk_connectplus ? 5 : 2);
405
406 if (local->sandisk_connectplus)
407 sandisk_set_iobase(local);
408}
409
410
411static void prism2_pccard_genesis_reset(local_info_t *local, int hcr)
412{
413 int res;
414 conf_reg_t reg;
415 int old_cor;
416
417 if (!prism2_pccard_card_present(local))
418 return;
419
420 if (local->sandisk_connectplus) {
421 sandisk_write_hcr(local, hcr);
422 return;
423 }
424
425 reg.Function = 0;
426 reg.Action = CS_READ;
427 reg.Offset = CISREG_COR;
428 reg.Value = 0;
429 res = pcmcia_access_configuration_register(local->link->handle, &reg);
430 if (res != CS_SUCCESS) {
431 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 "
432 "(%d)\n", res);
433 return;
434 }
435 printk(KERN_DEBUG "prism2_pccard_genesis_sreset: original COR %02x\n",
436 reg.Value);
437 old_cor = reg.Value;
438
439 reg.Action = CS_WRITE;
440 reg.Value |= COR_SOFT_RESET;
441 res = pcmcia_access_configuration_register(local->link->handle, &reg);
442 if (res != CS_SUCCESS) {
443 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 "
444 "(%d)\n", res);
445 return;
446 }
447
448 mdelay(10);
449
450 /* Setup Genesis mode */
451 reg.Action = CS_WRITE;
452 reg.Value = hcr;
453 reg.Offset = CISREG_CCSR;
454 res = pcmcia_access_configuration_register(local->link->handle, &reg);
455 if (res != CS_SUCCESS) {
456 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 "
457 "(%d)\n", res);
458 return;
459 }
460 mdelay(10);
461
462 reg.Action = CS_WRITE;
463 reg.Offset = CISREG_COR;
464 reg.Value = old_cor & ~COR_SOFT_RESET;
465 res = pcmcia_access_configuration_register(local->link->handle, &reg);
466 if (res != CS_SUCCESS) {
467 printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 "
468 "(%d)\n", res);
469 return;
470 }
471
472 mdelay(10);
473}
474
475
476static int prism2_pccard_dev_open(local_info_t *local)
477{
478 local->link->open++;
479 return 0;
480}
481
482
483static int prism2_pccard_dev_close(local_info_t *local)
484{
485 if (local == NULL || local->link == NULL)
486 return 1;
487
488 if (!local->link->open) {
489 printk(KERN_WARNING "%s: prism2_pccard_dev_close(): "
490 "link not open?!\n", local->dev->name);
491 return 1;
492 }
493
494 local->link->open--;
495
496 return 0;
497}
498
499
500static struct prism2_helper_functions prism2_pccard_funcs =
501{
502 .card_present = prism2_pccard_card_present,
503 .cor_sreset = prism2_pccard_cor_sreset,
504 .dev_open = prism2_pccard_dev_open,
505 .dev_close = prism2_pccard_dev_close,
506 .genesis_reset = prism2_pccard_genesis_reset,
507 .hw_type = HOSTAP_HW_PCCARD,
508};
509
510
511/* allocate local data and register with CardServices
512 * initialize dev_link structure, but do not configure the card yet */
513static dev_link_t *prism2_attach(void)
514{
515 dev_link_t *link;
516 client_reg_t client_reg;
517 int ret;
518
519 link = kmalloc(sizeof(dev_link_t), GFP_KERNEL);
520 if (link == NULL)
521 return NULL;
522
523 memset(link, 0, sizeof(dev_link_t));
524
525 PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info);
526 link->conf.Vcc = 33;
527 link->conf.IntType = INT_MEMORY_AND_IO;
528
529 /* register with CardServices */
530 link->next = dev_list;
531 dev_list = link;
532 client_reg.dev_info = &dev_info;
ff1d2767
JM		 533 client_reg.Version = 0x0210;
534 client_reg.event_callback_args.client_data = link;
535 ret = pcmcia_register_client(&link->handle, &client_reg);
536 if (ret != CS_SUCCESS) {
537 cs_error(link->handle, RegisterClient, ret);
538 prism2_detach(link);
539 return NULL;
540 }
541 return link;
542}
543
544
545static void prism2_detach(dev_link_t *link)
546{
547 dev_link_t **linkp;
548
549 PDEBUG(DEBUG_FLOW, "prism2_detach\n");
550
551 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
552 if (*linkp == link)
553 break;
554 if (*linkp == NULL) {
555 printk(KERN_WARNING "%s: Attempt to detach non-existing "
556 "PCMCIA client\n", dev_info);
557 return;
558 }
559
560 if (link->state & DEV_CONFIG) {
561 prism2_release((u_long)link);
562 }
563
564 if (link->handle) {
565 int res = pcmcia_deregister_client(link->handle);
566 if (res) {
567 printk("CardService(DeregisterClient) => %d\n", res);
568 cs_error(link->handle, DeregisterClient, res);
569 }
570 }
571
572 *linkp = link->next;
573 /* release net devices */
574 if (link->priv) {
575 prism2_free_local_data((struct net_device *) link->priv);
576
577 }
578 kfree(link);
579}
580
581
582#define CS_CHECK(fn, ret) \
583do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
584
585#define CFG_CHECK2(fn, retf) \
586do { int ret = (retf); \
587if (ret != 0) { \
588 PDEBUG(DEBUG_EXTRA, "CardServices(" #fn ") returned %d\n", ret); \
589 cs_error(link->handle, fn, ret); \
590 goto next_entry; \
591} \
592} while (0)
593
594
595/* run after a CARD_INSERTION event is received to configure the PCMCIA
596 * socket and make the device available to the system */
597static int prism2_config(dev_link_t *link)
598{
599 struct net_device *dev;
600 struct hostap_interface *iface;
601 local_info_t *local;
602 int ret = 1;
603 tuple_t tuple;
604 cisparse_t *parse;
605 int last_fn, last_ret;
606 u_char buf[64];
607 config_info_t conf;
608 cistpl_cftable_entry_t dflt = { 0 };
609
610 PDEBUG(DEBUG_FLOW, "prism2_config()\n");
611
612 parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
613 if (parse == NULL) {
614 ret = -ENOMEM;
615 goto failed;
616 }
617
618 tuple.DesiredTuple = CISTPL_CONFIG;
619 tuple.Attributes = 0;
620 tuple.TupleData = buf;
621 tuple.TupleDataMax = sizeof(buf);
622 tuple.TupleOffset = 0;
623 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
624 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link->handle, &tuple));
625 CS_CHECK(ParseTuple, pcmcia_parse_tuple(link->handle, &tuple, parse));
626 link->conf.ConfigBase = parse->config.base;
627 link->conf.Present = parse->config.rmask[0];
628
629 CS_CHECK(GetConfigurationInfo,
630 pcmcia_get_configuration_info(link->handle, &conf));
631 PDEBUG(DEBUG_HW, "%s: %s Vcc=%d (from config)\n", dev_info,
632 ignore_cis_vcc ? "ignoring" : "setting", conf.Vcc);
633 link->conf.Vcc = conf.Vcc;
634
635 /* Look for an appropriate configuration table entry in the CIS */
636 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
637 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
638 for (;;) {
639 cistpl_cftable_entry_t *cfg = &(parse->cftable_entry);
640 CFG_CHECK2(GetTupleData,
641 pcmcia_get_tuple_data(link->handle, &tuple));
642 CFG_CHECK2(ParseTuple,
643 pcmcia_parse_tuple(link->handle, &tuple, parse));
644
645 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
646 dflt = *cfg;
647 if (cfg->index == 0)
648 goto next_entry;
649 link->conf.ConfigIndex = cfg->index;
650 PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
651 "(default 0x%02X)\n", cfg->index, dflt.index);
652
653 /* Does this card need audio output? */
654 if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
655 link->conf.Attributes |= CONF_ENABLE_SPKR;
656 link->conf.Status = CCSR_AUDIO_ENA;
657 }
658
659 /* Use power settings for Vcc and Vpp if present */
660 /* Note that the CIS values need to be rescaled */
661 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
662 if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
663 10000 && !ignore_cis_vcc) {
664 PDEBUG(DEBUG_EXTRA, " Vcc mismatch - skipping"
665 " this entry\n");
666 goto next_entry;
667 }
668 } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
669 if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
670 10000 && !ignore_cis_vcc) {
671 PDEBUG(DEBUG_EXTRA, " Vcc (default) mismatch "
672 "- skipping this entry\n");
673 goto next_entry;
674 }
675 }
676
677 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
678 link->conf.Vpp1 = link->conf.Vpp2 =
679 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
680 else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
681 link->conf.Vpp1 = link->conf.Vpp2 =
682 dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
683
684 /* Do we need to allocate an interrupt? */
685 if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
686 link->conf.Attributes |= CONF_ENABLE_IRQ;
687 else if (!(link->conf.Attributes & CONF_ENABLE_IRQ)) {
688 /* At least Compaq WL200 does not have IRQInfo1 set,
689 * but it does not work without interrupts.. */
690 printk("Config has no IRQ info, but trying to enable "
691 "IRQ anyway..\n");
692 link->conf.Attributes |= CONF_ENABLE_IRQ;
693 }
694
695 /* IO window settings */
696 PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
697 "dflt.io.nwin=%d\n",
698 cfg->io.nwin, dflt.io.nwin);
699 link->io.NumPorts1 = link->io.NumPorts2 = 0;
700 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
701 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
702 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
703 PDEBUG(DEBUG_EXTRA, "io->flags = 0x%04X, "
704 "io.base=0x%04x, len=%d\n", io->flags,
705 io->win[0].base, io->win[0].len);
706 if (!(io->flags & CISTPL_IO_8BIT))
707 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
708 if (!(io->flags & CISTPL_IO_16BIT))
709 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
710 link->io.IOAddrLines = io->flags &
711 CISTPL_IO_LINES_MASK;
712 link->io.BasePort1 = io->win[0].base;
713 link->io.NumPorts1 = io->win[0].len;
714 if (io->nwin > 1) {
715 link->io.Attributes2 = link->io.Attributes1;
716 link->io.BasePort2 = io->win[1].base;
717 link->io.NumPorts2 = io->win[1].len;
718 }
719 }
720
721 /* This reserves IO space but doesn't actually enable it */
722 CFG_CHECK2(RequestIO,
723 pcmcia_request_io(link->handle, &link->io));
724
725 /* This configuration table entry is OK */
726 break;
727
728 next_entry:
729 CS_CHECK(GetNextTuple,
730 pcmcia_get_next_tuple(link->handle, &tuple));
731 }
732
733 /* Need to allocate net_device before requesting IRQ handler */
734 dev = prism2_init_local_data(&prism2_pccard_funcs, 0);
735 if (dev == NULL)
736 goto failed;
737 link->priv = dev;
738
739 /*
740 * Allocate an interrupt line. Note that this does not assign a
741 * handler to the interrupt, unless the 'Handler' member of the
742 * irq structure is initialized.
743 */
744 if (link->conf.Attributes & CONF_ENABLE_IRQ) {
745 int i;
746 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
747 link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID;
748 if (irq_list[0] == -1)
749 link->irq.IRQInfo2 = irq_mask;
750 else
751 for (i = 0; i < 4; i++)
752 link->irq.IRQInfo2 |= 1 << irq_list[i];
753 link->irq.Handler = prism2_interrupt;
754 link->irq.Instance = dev;
755 CS_CHECK(RequestIRQ,
756 pcmcia_request_irq(link->handle, &link->irq));
757 }
758
759 /*
760 * This actually configures the PCMCIA socket -- setting up
761 * the I/O windows and the interrupt mapping, and putting the
762 * card and host interface into "Memory and IO" mode.
763 */
764 CS_CHECK(RequestConfiguration,
765 pcmcia_request_configuration(link->handle, &link->conf));
766
767 dev->irq = link->irq.AssignedIRQ;
768 dev->base_addr = link->io.BasePort1;
769
770 /* Finally, report what we've done */
771 printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
772 dev_info, link->conf.ConfigIndex,
773 link->conf.Vcc / 10, link->conf.Vcc % 10);
774 if (link->conf.Vpp1)
775 printk(", Vpp %d.%d", link->conf.Vpp1 / 10,
776 link->conf.Vpp1 % 10);
777 if (link->conf.Attributes & CONF_ENABLE_IRQ)
778 printk(", irq %d", link->irq.AssignedIRQ);
779 if (link->io.NumPorts1)
780 printk(", io 0x%04x-0x%04x", link->io.BasePort1,
781 link->io.BasePort1+link->io.NumPorts1-1);
782 if (link->io.NumPorts2)
783 printk(" & 0x%04x-0x%04x", link->io.BasePort2,
784 link->io.BasePort2+link->io.NumPorts2-1);
785 printk("\n");
786
787 link->state |= DEV_CONFIG;
788 link->state &= ~DEV_CONFIG_PENDING;
789
790 iface = netdev_priv(dev);
791 local = iface->local;
792 local->link = link;
793 strcpy(local->node.dev_name, dev->name);
794 link->dev = &local->node;
795
796 local->shutdown = 0;
797
798 sandisk_enable_wireless(dev);
799
800 ret = prism2_hw_config(dev, 1);
801 if (!ret) {
802 ret = hostap_hw_ready(dev);
803 if (ret == 0 && local->ddev)
804 strcpy(local->node.dev_name, local->ddev->name);
805 }
806 kfree(parse);
807 return ret;
808
809 cs_failed:
810 cs_error(link->handle, last_fn, last_ret);
811
812 failed:
813 kfree(parse);
814 prism2_release((u_long)link);
815 return ret;
816}
817
818
819static void prism2_release(u_long arg)
820{
821 dev_link_t *link = (dev_link_t *)arg;
822
823 PDEBUG(DEBUG_FLOW, "prism2_release\n");
824
825 if (link->priv) {
826 struct net_device *dev = link->priv;
827 struct hostap_interface *iface;
828
829 iface = netdev_priv(dev);
830 if (link->state & DEV_CONFIG)
831 prism2_hw_shutdown(dev, 0);
832 iface->local->shutdown = 1;
833 }
834
835 if (link->win)
836 pcmcia_release_window(link->win);
837 pcmcia_release_configuration(link->handle);
838 if (link->io.NumPorts1)
839 pcmcia_release_io(link->handle, &link->io);
840 if (link->irq.AssignedIRQ)
841 pcmcia_release_irq(link->handle, &link->irq);
842
843 link->state &= ~DEV_CONFIG;
844
845 PDEBUG(DEBUG_FLOW, "release - done\n");
846}
847
848
849static int prism2_event(event_t event, int priority,
850 event_callback_args_t *args)
851{
852 dev_link_t *link = args->client_data;
853 struct net_device *dev = (struct net_device *) link->priv;
854
855 switch (event) {
856 case CS_EVENT_CARD_INSERTION:
857 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_INSERTION\n", dev_info);
858 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
859 if (prism2_config(link)) {
860 PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n");
861 }
862 break;
863
864 case CS_EVENT_CARD_REMOVAL:
865 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_REMOVAL\n", dev_info);
866 link->state &= ~DEV_PRESENT;
867 if (link->state & DEV_CONFIG) {
868 netif_stop_queue(dev);
869 netif_device_detach(dev);
870 prism2_release((u_long) link);
871 }
872 break;
873
874 case CS_EVENT_PM_SUSPEND:
875 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
876 link->state |= DEV_SUSPEND;
877 /* fall through */
878
879 case CS_EVENT_RESET_PHYSICAL:
880 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_RESET_PHYSICAL\n", dev_info);
881 if (link->state & DEV_CONFIG) {
882 if (link->open) {
883 netif_stop_queue(dev);
884 netif_device_detach(dev);
885 }
886 prism2_suspend(dev);
887 pcmcia_release_configuration(link->handle);
888 }
889 break;
890
891 case CS_EVENT_PM_RESUME:
892 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
893 link->state &= ~DEV_SUSPEND;
894 /* fall through */
895
896 case CS_EVENT_CARD_RESET:
897 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_RESET\n", dev_info);
898 if (link->state & DEV_CONFIG) {
899 pcmcia_request_configuration(link->handle,
900 &link->conf);
901 prism2_hw_shutdown(dev, 1);
902 prism2_hw_config(dev, link->open ? 0 : 1);
903 if (link->open) {
904 netif_device_attach(dev);
905 netif_start_queue(dev);
906 }
907 }
908 break;
909
910 default:
911 PDEBUG(DEBUG_EXTRA, "%s: prism2_event() - unknown event %d\n",
912 dev_info, event);
913 break;
914 }
915 return 0;
916}
917
918
919static struct pcmcia_driver hostap_driver = {
920 .drv = {
921 .name = "hostap_cs",
922 },
923 .attach = prism2_attach,
924 .detach = prism2_detach,
925 .owner = THIS_MODULE,
47e362cf 926 .event = prism2_event,
ff1d2767
JM		 927};
928
929static int __init init_prism2_pccard(void)
930{
931 printk(KERN_INFO "%s: %s\n", dev_info, version);
932 return pcmcia_register_driver(&hostap_driver);
933}
934
935static void __exit exit_prism2_pccard(void)
936{
937 pcmcia_unregister_driver(&hostap_driver);
938 printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
939}
940
941
942module_init(init_prism2_pccard);
943module_exit(exit_prism2_pccard);
Linux 6.x block layer and io_uring tree(s)