hostap_cs.c revision 5f2a71fcb7995633b335a1e380ac63a968e61320
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
26static char *version = PRISM2_VERSION " (Jouni Malinen <jkmaline@cc.hut.fi>)";
27static dev_info_t dev_info = "hostap_cs";
28
29MODULE_AUTHOR("Jouni Malinen");
30MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN "
31		   "cards (PC Card).");
32MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)");
33MODULE_LICENSE("GPL");
34MODULE_VERSION(PRISM2_VERSION);
35
36
37static int ignore_cis_vcc;
38module_param(ignore_cis_vcc, int, 0444);
39MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry");
40
41
42/* struct local_info::hw_priv */
43struct 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
52static 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
66static 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
82static 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
96static 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
112static 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
127static 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
161static 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
181static 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
205static void prism2_detach(struct pcmcia_device *p_dev);
206static void prism2_release(u_long arg);
207static int prism2_config(dev_link_t *link);
208
209
210static 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
230static 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
261static 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
276static 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
364done:
365	kfree(parse);
366	return ret;
367}
368
369
370static 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
423static 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
493static 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 */
504static 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
529static 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) \
555do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
556
557#define CFG_CHECK2(fn, retf) \
558do { int ret = (retf); \
559if (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 */
569static 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		ret = -ENOMEM;
589		goto failed;
590	}
591	memset(hw_priv, 0, sizeof(*hw_priv));
592
593	tuple.DesiredTuple = CISTPL_CONFIG;
594	tuple.Attributes = 0;
595	tuple.TupleData = buf;
596	tuple.TupleDataMax = sizeof(buf);
597	tuple.TupleOffset = 0;
598	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
599	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link->handle, &tuple));
600	CS_CHECK(ParseTuple, pcmcia_parse_tuple(link->handle, &tuple, parse));
601	link->conf.ConfigBase = parse->config.base;
602	link->conf.Present = parse->config.rmask[0];
603
604	CS_CHECK(GetConfigurationInfo,
605		 pcmcia_get_configuration_info(link->handle, &conf));
606	PDEBUG(DEBUG_HW, "%s: %s Vcc=%d (from config)\n", dev_info,
607	       ignore_cis_vcc ? "ignoring" : "setting", conf.Vcc);
608	link->conf.Vcc = conf.Vcc;
609
610	/* Look for an appropriate configuration table entry in the CIS */
611	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
612	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link->handle, &tuple));
613	for (;;) {
614		cistpl_cftable_entry_t *cfg = &(parse->cftable_entry);
615		CFG_CHECK2(GetTupleData,
616			   pcmcia_get_tuple_data(link->handle, &tuple));
617		CFG_CHECK2(ParseTuple,
618			   pcmcia_parse_tuple(link->handle, &tuple, parse));
619
620		if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
621			dflt = *cfg;
622		if (cfg->index == 0)
623			goto next_entry;
624		link->conf.ConfigIndex = cfg->index;
625		PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
626		       "(default 0x%02X)\n", cfg->index, dflt.index);
627
628		/* Does this card need audio output? */
629		if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
630			link->conf.Attributes |= CONF_ENABLE_SPKR;
631			link->conf.Status = CCSR_AUDIO_ENA;
632		}
633
634		/* Use power settings for Vcc and Vpp if present */
635		/*  Note that the CIS values need to be rescaled */
636		if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
637			if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
638			    10000 && !ignore_cis_vcc) {
639				PDEBUG(DEBUG_EXTRA, "  Vcc mismatch - skipping"
640				       " this entry\n");
641				goto next_entry;
642			}
643		} else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
644			if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
645			    10000 && !ignore_cis_vcc) {
646				PDEBUG(DEBUG_EXTRA, "  Vcc (default) mismatch "
647				       "- skipping this entry\n");
648				goto next_entry;
649			}
650		}
651
652		if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
653			link->conf.Vpp1 = link->conf.Vpp2 =
654				cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
655		else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
656			link->conf.Vpp1 = link->conf.Vpp2 =
657				dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
658
659		/* Do we need to allocate an interrupt? */
660		if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
661			link->conf.Attributes |= CONF_ENABLE_IRQ;
662		else if (!(link->conf.Attributes & CONF_ENABLE_IRQ)) {
663			/* At least Compaq WL200 does not have IRQInfo1 set,
664			 * but it does not work without interrupts.. */
665			printk("Config has no IRQ info, but trying to enable "
666			       "IRQ anyway..\n");
667			link->conf.Attributes |= CONF_ENABLE_IRQ;
668		}
669
670		/* IO window settings */
671		PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
672		       "dflt.io.nwin=%d\n",
673		       cfg->io.nwin, dflt.io.nwin);
674		link->io.NumPorts1 = link->io.NumPorts2 = 0;
675		if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
676			cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
677			link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
678			PDEBUG(DEBUG_EXTRA, "io->flags = 0x%04X, "
679			       "io.base=0x%04x, len=%d\n", io->flags,
680			       io->win[0].base, io->win[0].len);
681			if (!(io->flags & CISTPL_IO_8BIT))
682				link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
683			if (!(io->flags & CISTPL_IO_16BIT))
684				link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
685			link->io.IOAddrLines = io->flags &
686				CISTPL_IO_LINES_MASK;
687			link->io.BasePort1 = io->win[0].base;
688			link->io.NumPorts1 = io->win[0].len;
689			if (io->nwin > 1) {
690				link->io.Attributes2 = link->io.Attributes1;
691				link->io.BasePort2 = io->win[1].base;
692				link->io.NumPorts2 = io->win[1].len;
693			}
694		}
695
696		/* This reserves IO space but doesn't actually enable it */
697		CFG_CHECK2(RequestIO,
698			   pcmcia_request_io(link->handle, &link->io));
699
700		/* This configuration table entry is OK */
701		break;
702
703	next_entry:
704		CS_CHECK(GetNextTuple,
705			 pcmcia_get_next_tuple(link->handle, &tuple));
706	}
707
708	/* Need to allocate net_device before requesting IRQ handler */
709	dev = prism2_init_local_data(&prism2_pccard_funcs, 0,
710				     &handle_to_dev(link->handle));
711	if (dev == NULL)
712		goto failed;
713	link->priv = dev;
714
715	iface = netdev_priv(dev);
716	local = iface->local;
717	local->hw_priv = hw_priv;
718	hw_priv->link = link;
719	strcpy(hw_priv->node.dev_name, dev->name);
720	link->dev = &hw_priv->node;
721
722	/*
723	 * Allocate an interrupt line.  Note that this does not assign a
724	 * handler to the interrupt, unless the 'Handler' member of the
725	 * irq structure is initialized.
726	 */
727	if (link->conf.Attributes & CONF_ENABLE_IRQ) {
728		link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
729		link->irq.IRQInfo1 = IRQ_LEVEL_ID;
730		link->irq.Handler = prism2_interrupt;
731		link->irq.Instance = dev;
732		CS_CHECK(RequestIRQ,
733			 pcmcia_request_irq(link->handle, &link->irq));
734	}
735
736	/*
737	 * This actually configures the PCMCIA socket -- setting up
738	 * the I/O windows and the interrupt mapping, and putting the
739	 * card and host interface into "Memory and IO" mode.
740	 */
741	CS_CHECK(RequestConfiguration,
742		 pcmcia_request_configuration(link->handle, &link->conf));
743
744	dev->irq = link->irq.AssignedIRQ;
745	dev->base_addr = link->io.BasePort1;
746
747	/* Finally, report what we've done */
748	printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
749	       dev_info, link->conf.ConfigIndex,
750	       link->conf.Vcc / 10, link->conf.Vcc % 10);
751	if (link->conf.Vpp1)
752		printk(", Vpp %d.%d", link->conf.Vpp1 / 10,
753		       link->conf.Vpp1 % 10);
754	if (link->conf.Attributes & CONF_ENABLE_IRQ)
755		printk(", irq %d", link->irq.AssignedIRQ);
756	if (link->io.NumPorts1)
757		printk(", io 0x%04x-0x%04x", link->io.BasePort1,
758		       link->io.BasePort1+link->io.NumPorts1-1);
759	if (link->io.NumPorts2)
760		printk(" & 0x%04x-0x%04x", link->io.BasePort2,
761		       link->io.BasePort2+link->io.NumPorts2-1);
762	printk("\n");
763
764	link->state |= DEV_CONFIG;
765	link->state &= ~DEV_CONFIG_PENDING;
766
767	local->shutdown = 0;
768
769	sandisk_enable_wireless(dev);
770
771	ret = prism2_hw_config(dev, 1);
772	if (!ret) {
773		ret = hostap_hw_ready(dev);
774		if (ret == 0 && local->ddev)
775			strcpy(hw_priv->node.dev_name, local->ddev->name);
776	}
777	kfree(parse);
778	return ret;
779
780 cs_failed:
781	cs_error(link->handle, last_fn, last_ret);
782
783 failed:
784	kfree(parse);
785	kfree(hw_priv);
786	prism2_release((u_long)link);
787	return ret;
788}
789
790
791static void prism2_release(u_long arg)
792{
793	dev_link_t *link = (dev_link_t *)arg;
794
795	PDEBUG(DEBUG_FLOW, "prism2_release\n");
796
797	if (link->priv) {
798		struct net_device *dev = link->priv;
799		struct hostap_interface *iface;
800
801		iface = netdev_priv(dev);
802		if (link->state & DEV_CONFIG)
803			prism2_hw_shutdown(dev, 0);
804		iface->local->shutdown = 1;
805	}
806
807	pcmcia_disable_device(link->handle);
808	PDEBUG(DEBUG_FLOW, "release - done\n");
809}
810
811static int hostap_cs_suspend(struct pcmcia_device *p_dev)
812{
813	dev_link_t *link = dev_to_instance(p_dev);
814	struct net_device *dev = (struct net_device *) link->priv;
815	int dev_open = 0;
816
817	PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
818
819	link->state |= DEV_SUSPEND;
820
821	if (link->state & DEV_CONFIG) {
822		struct hostap_interface *iface = netdev_priv(dev);
823		if (iface && iface->local)
824			dev_open = iface->local->num_dev_open > 0;
825		if (dev_open) {
826			netif_stop_queue(dev);
827			netif_device_detach(dev);
828		}
829		prism2_suspend(dev);
830		pcmcia_release_configuration(link->handle);
831	}
832
833	return 0;
834}
835
836static int hostap_cs_resume(struct pcmcia_device *p_dev)
837{
838	dev_link_t *link = dev_to_instance(p_dev);
839	struct net_device *dev = (struct net_device *) link->priv;
840	int dev_open = 0;
841
842	PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
843
844	link->state &= ~DEV_SUSPEND;
845	if (link->state & DEV_CONFIG) {
846		struct hostap_interface *iface = netdev_priv(dev);
847		if (iface && iface->local)
848			dev_open = iface->local->num_dev_open > 0;
849
850		pcmcia_request_configuration(link->handle, &link->conf);
851
852		prism2_hw_shutdown(dev, 1);
853		prism2_hw_config(dev, dev_open ? 0 : 1);
854		if (dev_open) {
855			netif_device_attach(dev);
856			netif_start_queue(dev);
857		}
858	}
859
860	return 0;
861}
862
863static struct pcmcia_device_id hostap_cs_ids[] = {
864	PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100),
865	PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300),
866	PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777),
867	PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000),
868	PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002),
869	PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002),
870	PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030b),
871	PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612),
872	PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613),
873	PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002),
874	PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002),
875	PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001),
876	PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001),
877	PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300),
878	PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000),
879	PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002),
880	PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005),
881	PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010),
882	PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "INTERSIL",
883					 0x74c5e40d),
884	PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "Intersil",
885					 0x4b801a17),
886	PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus",
887				    0x7a954bd9, 0x74be00c6),
888	PCMCIA_DEVICE_PROD_ID1234(
889		"Intersil", "PRISM 2_5 PCMCIA ADAPTER",	"ISL37300P",
890		"Eval-RevA",
891		0x4b801a17, 0x6345a0bf, 0xc9049a39, 0xc23adc0e),
892	PCMCIA_DEVICE_PROD_ID123(
893		"Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02",
894		0xe6ec52ce, 0x08649af2, 0x4b74baa0),
895	PCMCIA_DEVICE_PROD_ID123(
896		"D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02",
897		0x71b18589, 0xb6f1b0ab, 0x4b74baa0),
898	PCMCIA_DEVICE_PROD_ID123(
899		"Instant Wireless ", " Network PC CARD", "Version 01.02",
900		0x11d901af, 0x6e9bd926, 0x4b74baa0),
901	PCMCIA_DEVICE_PROD_ID123(
902		"SMC", "SMC2632W", "Version 01.02",
903		0xc4f8b18b, 0x474a1f2a, 0x4b74baa0),
904	PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G",
905				0x2decece3, 0x82067c18),
906	PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card",
907				0x54f7c49c, 0x15a75e5b),
908	PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE",
909				0x74c5e40d, 0xdb472a18),
910	PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card",
911				0x0733cc81, 0x0c52f395),
912	PCMCIA_DEVICE_PROD_ID12(
913		"ZoomAir 11Mbps High", "Rate wireless Networking",
914		0x273fe3db, 0x32a1eaee),
915	PCMCIA_DEVICE_NULL
916};
917MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids);
918
919
920static struct pcmcia_driver hostap_driver = {
921	.drv		= {
922		.name	= "hostap_cs",
923	},
924	.probe		= prism2_attach,
925	.remove		= prism2_detach,
926	.owner		= THIS_MODULE,
927	.id_table	= hostap_cs_ids,
928	.suspend	= hostap_cs_suspend,
929	.resume		= hostap_cs_resume,
930};
931
932static int __init init_prism2_pccard(void)
933{
934	printk(KERN_INFO "%s: %s\n", dev_info, version);
935	return pcmcia_register_driver(&hostap_driver);
936}
937
938static void __exit exit_prism2_pccard(void)
939{
940	pcmcia_unregister_driver(&hostap_driver);
941	printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
942}
943
944
945module_init(init_prism2_pccard);
946module_exit(exit_prism2_pccard);
947