xref: /netbsd-src/sys/dev/pcmcia/if_wi_pcmcia.c (revision c2f76ff004a2cb67efe5b12d97bd3ef7fe89e18d)
1 /* $NetBSD: if_wi_pcmcia.c,v 1.86 2010/11/23 04:33:10 christos Exp $ */
2 
3 /*-
4  * Copyright (c) 2001, 2004 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Ichiro FUKUHARA (ichiro@ichiro.org), and by Charles M. Hannum.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*
33  * PCMCIA attachment for Lucent & Intersil WaveLAN PCMCIA card
34  */
35 
36 #include <sys/cdefs.h>
37 __KERNEL_RCSID(0, "$NetBSD: if_wi_pcmcia.c,v 1.86 2010/11/23 04:33:10 christos Exp $");
38 
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/callout.h>
42 #include <sys/device.h>
43 #include <sys/proc.h>
44 #include <sys/socket.h>
45 
46 #include <net/if.h>
47 #include <net/if_ether.h>
48 #include <net/if_media.h>
49 
50 #include <net80211/ieee80211_netbsd.h>
51 #include <net80211/ieee80211_var.h>
52 #include <net80211/ieee80211_radiotap.h>
53 #include <net80211/ieee80211_rssadapt.h>
54 
55 #include <sys/cpu.h>
56 #include <sys/bus.h>
57 #include <sys/intr.h>
58 
59 #include <dev/ic/wi_ieee.h>
60 #include <dev/ic/wireg.h>
61 #include <dev/ic/wivar.h>
62 
63 #include <dev/pcmcia/pcmciareg.h>
64 #include <dev/pcmcia/pcmciavar.h>
65 #include <dev/pcmcia/pcmciadevs.h>
66 
67 #ifdef _MODULE
68 #define WI_PCMCIA_SPECTRUM24T_FW 1
69 #else
70 #include <opt_if_wi_pcmcia.h>
71 #endif
72 
73 #if WI_PCMCIA_SPECTRUM24T_FW
74 #include <dev/microcode/wi/spectrum24t_cf.h>
75 #endif
76 
77 static int	wi_pcmcia_match(device_t, cfdata_t, void *);
78 static int	wi_pcmcia_validate_config(struct pcmcia_config_entry *);
79 static void	wi_pcmcia_attach(device_t, device_t, void *);
80 static int	wi_pcmcia_detach(device_t, int);
81 static int	wi_pcmcia_enable(device_t, int);
82 
83 #if WI_PCMCIA_SPECTRUM24T_FW
84 /* support to download firmware for symbol CF card */
85 static int	wi_pcmcia_load_firm(struct wi_softc *, const void *, int, const void *, int);
86 static int	wi_pcmcia_write_firm(struct wi_softc *, const void *, int, const void *, int);
87 static int	wi_pcmcia_set_hcr(struct wi_softc *, int);
88 #endif
89 
90 struct wi_pcmcia_softc {
91 	struct wi_softc sc_wi;
92 
93 	int sc_symbol_cf;			/* Spectrum24t CF card */
94 
95 	struct pcmcia_function *sc_pf;		/* PCMCIA function */
96 	int sc_state;
97 #define	WI_PCMCIA_ATTACHED	3
98 };
99 
100 CFATTACH_DECL_NEW(wi_pcmcia, sizeof(struct wi_pcmcia_softc),
101     wi_pcmcia_match, wi_pcmcia_attach, wi_pcmcia_detach, wi_activate);
102 
103 static const struct pcmcia_product wi_pcmcia_products[] = {
104 	{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
105 	  PCMCIA_CIS_SMC_2632W },
106 
107 	{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
108 	  PCMCIA_CIS_NANOSPEED_PRISM2 },
109 
110 	{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
111 	  PCMCIA_CIS_NEC_CMZ_RT_WP },
112 
113 	{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
114 	  PCMCIA_CIS_NTT_ME_WLAN },
115 
116 	{ PCMCIA_VENDOR_LUCENT, PCMCIA_PRODUCT_LUCENT_HERMES,
117 	  PCMCIA_CIS_INVALID },
118 
119 	{ PCMCIA_VENDOR_LUCENT, PCMCIA_PRODUCT_LUCENT_HERMES2,
120 	  PCMCIA_CIS_INVALID },
121 
122 	{ PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CRWE737A,
123 	  PCMCIA_CIS_3COM_3CRWE737A },
124 
125 	{ PCMCIA_VENDOR_ALVARION,
126 	  PCMCIA_PRODUCT_ALVARION_BREEZENET,
127 	  PCMCIA_CIS_ALVARION_BREEZENET },
128 
129 	{ PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCC_11,
130 	  PCMCIA_CIS_COREGA_WIRELESS_LAN_PCC_11 },
131 
132 	{ PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCCA_11,
133 	  PCMCIA_CIS_COREGA_WIRELESS_LAN_PCCA_11 },
134 
135 	{ PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCCB_11,
136 	  PCMCIA_CIS_COREGA_WIRELESS_LAN_PCCB_11 },
137 
138 	{ PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCCL_11,
139 	  PCMCIA_CIS_COREGA_WIRELESS_LAN_PCCL_11 },
140 
141 	{ PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_WLCFL_11,
142 	  PCMCIA_CIS_COREGA_WIRELESS_LAN_WLCFL_11 },
143 
144 	{ PCMCIA_VENDOR_INTEL, PCMCIA_PRODUCT_INTEL_PRO_WLAN_2011,
145 	  PCMCIA_CIS_INTEL_PRO_WLAN_2011 },
146 
147 	{ PCMCIA_VENDOR_INTERSIL2, PCMCIA_PRODUCT_INTERSIL2_PRISM2,
148 	  PCMCIA_CIS_INTERSIL2_PRISM2 },
149 
150 	{ PCMCIA_VENDOR_INTERSIL2, PCMCIA_PRODUCT_GEMTEK_WLAN,
151 	  PCMCIA_CIS_GEMTEK_WLAN },
152 
153 	{ PCMCIA_VENDOR_SAMSUNG, PCMCIA_PRODUCT_SAMSUNG_SWL_2000N,
154 	  PCMCIA_CIS_SAMSUNG_SWL_2000N },
155 
156 	{ PCMCIA_VENDOR_ELSA, PCMCIA_PRODUCT_ELSA_XI300_IEEE,
157 	  PCMCIA_CIS_ELSA_XI300_IEEE },
158 
159 	{ PCMCIA_VENDOR_ELSA, PCMCIA_PRODUCT_ELSA_XI325_IEEE,
160 	  PCMCIA_CIS_ELSA_XI325_IEEE },
161 
162 	{ PCMCIA_VENDOR_ELSA, PCMCIA_PRODUCT_ELSA_XI800_IEEE,
163 	  PCMCIA_CIS_ELSA_XI800_IEEE },
164 
165 	{ PCMCIA_VENDOR_ELSA, PCMCIA_PRODUCT_ELSA_SMC2531WB,
166 	  PCMCIA_CIS_ELSA_SMC2531WB },
167 
168 	{ PCMCIA_VENDOR_COMPAQ, PCMCIA_PRODUCT_COMPAQ_NC5004,
169 	  PCMCIA_CIS_COMPAQ_NC5004 },
170 
171 	{ PCMCIA_VENDOR_CONTEC, PCMCIA_PRODUCT_CONTEC_FX_DS110_PCC,
172 	  PCMCIA_CIS_CONTEC_FX_DS110_PCC },
173 
174 	{ PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CD011WL,
175 	  PCMCIA_CIS_TDK_LAK_CD011WL },
176 
177 	{ PCMCIA_VENDOR_IODATA2, PCMCIA_PRODUCT_IODATA2_WNB11PCM,
178 	  PCMCIA_CIS_IODATA2_WNB11PCM },
179 
180 	{ PCMCIA_VENDOR_IODATA2, PCMCIA_PRODUCT_IODATA2_WCF12,
181 	  PCMCIA_CIS_IODATA2_WCF12 },
182 
183 	{ PCMCIA_VENDOR_BUFFALO, PCMCIA_PRODUCT_BUFFALO_WLI_PCM_S11,
184 	  PCMCIA_CIS_BUFFALO_WLI_PCM_S11 },
185 
186 	{ PCMCIA_VENDOR_BUFFALO, PCMCIA_PRODUCT_BUFFALO_WLI_CF_S11G,
187 	  PCMCIA_CIS_BUFFALO_WLI_CF_S11G },
188 
189 	{ PCMCIA_VENDOR_EMTAC, PCMCIA_PRODUCT_EMTAC_WLAN,
190 	  PCMCIA_CIS_EMTAC_WLAN },
191 
192 	{ PCMCIA_VENDOR_INTERSIL, PCMCIA_PRODUCT_INTERSIL_ISL37100P,
193 	  PCMCIA_CIS_INTERSIL_ISL37100P },
194 
195 	{ PCMCIA_VENDOR_INTERSIL, PCMCIA_PRODUCT_INTERSIL_ISL37110P,
196 	  PCMCIA_CIS_INTERSIL_ISL37110P },
197 
198 	{ PCMCIA_VENDOR_INTERSIL, PCMCIA_PRODUCT_INTERSIL_ISL37300P,
199 	  PCMCIA_CIS_INTERSIL_ISL37300P },
200 
201 	{ PCMCIA_VENDOR_SIMPLETECH, PCMCIA_PRODUCT_SIMPLETECH_SPECTRUM24,
202 	  PCMCIA_CIS_SIMPLETECH_SPECTRUM24 },
203 
204 	{ PCMCIA_VENDOR_ERICSSON, PCMCIA_PRODUCT_ERICSSON_WIRELESSLAN,
205 	  PCMCIA_CIS_ERICSSON_WIRELESSLAN },
206 
207 	{ PCMCIA_VENDOR_SYMBOL, PCMCIA_PRODUCT_SYMBOL_LA4100,
208 	  PCMCIA_CIS_SYMBOL_LA4100 },
209 
210 	{ PCMCIA_VENDOR_LINKSYS2, PCMCIA_PRODUCT_LINKSYS2_IWN,
211 	  PCMCIA_CIS_NANOSPEED_PRISM2 },
212 
213 	{ PCMCIA_VENDOR_LINKSYS2, PCMCIA_PRODUCT_LINKSYS2_IWN3,
214 	  PCMCIA_CIS_LINKSYS2_IWN3 },
215 
216 	{ PCMCIA_VENDOR_LINKSYS2, PCMCIA_PRODUCT_LINKSYS2_WCF11,
217 	  PCMCIA_CIS_LINKSYS2_WCF11 },
218 
219 	{ PCMCIA_VENDOR_MICROSOFT, PCMCIA_PRODUCT_MICROSOFT_MN_520,
220 	  PCMCIA_CIS_MICROSOFT_MN_520 },
221 
222 	{ PCMCIA_VENDOR_PLANEX, PCMCIA_PRODUCT_PLANEX_GWNS11H,
223 	  PCMCIA_CIS_PLANEX_GWNS11H },
224 
225 	{ PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_EMOBILITY_11B,
226 	  PCMCIA_CIS_BAY_EMOBILITY_11B },
227 
228 	{ PCMCIA_VENDOR_ACTIONTEC, PCMCIA_PRODUCT_ACTIONTEC_PRISM,
229 	  PCMCIA_CIS_ACTIONTEC_PRISM },
230 
231 	{ PCMCIA_VENDOR_DLINK_2, PCMCIA_PRODUCT_DLINK_DWL650H,
232 	  PCMCIA_CIS_DLINK_DWL650H },
233 
234 	{ PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_WL110,
235 	  PCMCIA_CIS_FUJITSU_WL110 },
236 
237 	{ PCMCIA_VENDOR_ARTEM, PCMCIA_PRODUCT_ARTEM_ONAIR,
238 	  PCMCIA_CIS_ARTEM_ONAIR },
239 
240 	{ PCMCIA_VENDOR_ASUSTEK, PCMCIA_PRODUCT_ASUSTEK_WL_100,
241 	  PCMCIA_CIS_ASUSTEK_WL_100 },
242 
243 	{ PCMCIA_VENDOR_PROXIM, PCMCIA_PRODUCT_PROXIM_RANGELANDS_8430,
244 	  PCMCIA_CIS_PROXIM_RANGELANDS_8430 },
245 
246 	{ PCMCIA_VENDOR_SIEMENS, PCMCIA_PRODUCT_SIEMENS_SS1021,
247 	  PCMCIA_CIS_SIEMENS_SS1021 },
248 };
249 static const size_t wi_pcmcia_nproducts =
250     sizeof(wi_pcmcia_products) / sizeof(wi_pcmcia_products[0]);
251 
252 static int
253 wi_pcmcia_match(device_t parent, cfdata_t match, void *aux)
254 {
255 	struct pcmcia_attach_args *pa = aux;
256 
257 	if (pcmcia_product_lookup(pa, wi_pcmcia_products, wi_pcmcia_nproducts,
258 	    sizeof(wi_pcmcia_products[0]), NULL))
259 		return (1);
260 	return (0);
261 }
262 
263 static int
264 wi_pcmcia_enable(device_t self, int onoff)
265 {
266 	struct wi_pcmcia_softc *psc = device_private(self);
267 	struct wi_softc *sc = &psc->sc_wi;
268 	struct pcmcia_function *pf = psc->sc_pf;
269 	int error;
270 
271 	if (onoff) {
272 		/* establish the interrupt. */
273 		sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, wi_intr, sc);
274 		if (!sc->sc_ih)
275 			return EIO;
276 
277 		error = pcmcia_function_enable(pf);
278 		if (error) {
279 			pcmcia_intr_disestablish(pf, sc->sc_ih);
280 			sc->sc_ih = 0;
281 			return EIO;
282 		}
283 
284 		if (psc->sc_symbol_cf) {
285 #if WI_PCMCIA_SPECTRUM24T_FW
286 			if (wi_pcmcia_load_firm(sc,
287 			    spectrum24t_primsym, sizeof(spectrum24t_primsym),
288 			    spectrum24t_secsym, sizeof(spectrum24t_secsym))) {
289 				aprint_error_dev(sc->sc_dev,
290 				    "couldn't load firmware\n");
291 				wi_pcmcia_enable(self, 0);
292 				return EIO;
293 			}
294 #else
295 			aprint_error_dev(sc->sc_dev,
296 			    "firmware load not configured\n");
297 			return EIO;
298 #endif
299 		}
300 		DELAY(1000);
301 	} else {
302 		pcmcia_function_disable(psc->sc_pf);
303 		pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
304 		sc->sc_ih = 0;
305 	}
306 
307 	return 0;
308 }
309 
310 static int
311 wi_pcmcia_validate_config(struct pcmcia_config_entry *cfe)
312 {
313 	if (cfe->iftype != PCMCIA_IFTYPE_IO ||
314 	    cfe->num_iospace != 1 ||
315 	    cfe->iospace[0].length < WI_IOSIZE)
316 		return (EINVAL);
317 	cfe->num_memspace = 0;
318 	return (0);
319 }
320 
321 static void
322 wi_pcmcia_attach(device_t parent, device_t self, void *aux)
323 {
324 	struct wi_pcmcia_softc *psc = device_private(self);
325 	struct wi_softc *sc = &psc->sc_wi;
326 	struct pcmcia_attach_args *pa = aux;
327 	struct pcmcia_config_entry *cfe;
328 	int haveaddr;
329 	int error;
330 
331 	aprint_naive("\n");
332 
333 	sc->sc_dev = self;
334 	psc->sc_pf = pa->pf;
335 
336 	error = pcmcia_function_configure(pa->pf, wi_pcmcia_validate_config);
337 	if (error) {
338 		aprint_error_dev(self, "configure failed, error=%d\n",
339 		    error);
340 		return;
341 	}
342 
343 	cfe = pa->pf->cfe;
344 	sc->sc_iot = cfe->iospace[0].handle.iot;
345 	sc->sc_ioh = cfe->iospace[0].handle.ioh;
346 
347 	if (pa->manufacturer == PCMCIA_VENDOR_SYMBOL &&
348 	    pa->product == PCMCIA_PRODUCT_SYMBOL_LA4100)
349 		psc->sc_symbol_cf = 1;
350 	/*
351 	 * XXX: Sony PEGA-WL100 CF card has a same vendor/product id as
352 	 *	Intel PCMCIA card.  It may be incorrect to detect by the
353 	 *	initial value of COR register.
354 	 */
355 	if (pa->manufacturer == PCMCIA_VENDOR_INTEL &&
356 	    pa->product == PCMCIA_PRODUCT_INTEL_PRO_WLAN_2011 &&
357 	    CSR_READ_2(sc, WI_COR) == WI_COR_IOMODE)
358 		psc->sc_symbol_cf = 1;
359 
360 	error = wi_pcmcia_enable(self, 1);
361 	if (error)
362 		goto fail;
363 
364 	sc->sc_pci = 0;
365 	sc->sc_enable = wi_pcmcia_enable;
366 
367 	printf("%s:", device_xname(self));
368 
369 	haveaddr = pa->pf->pf_funce_lan_nidlen == IEEE80211_ADDR_LEN;
370 	if (wi_attach(sc, haveaddr ? pa->pf->pf_funce_lan_nid : 0) != 0) {
371 		aprint_error_dev(self, "failed to attach controller\n");
372 		goto fail2;
373 	}
374 
375 	if (pmf_device_register(self, NULL, NULL))
376 		pmf_class_network_register(self, &sc->sc_if);
377 	else
378 		aprint_error_dev(self, "couldn't establish power handler\n");
379 
380 	wi_pcmcia_enable(self, 0);
381 	psc->sc_state = WI_PCMCIA_ATTACHED;
382 	return;
383 
384 fail2:
385 	wi_pcmcia_enable(self, 0);
386 fail:
387 	pcmcia_function_unconfigure(pa->pf);
388 }
389 
390 static int
391 wi_pcmcia_detach(device_t self, int flags)
392 {
393 	struct wi_pcmcia_softc *psc = device_private(self);
394 	int error;
395 
396 	if (psc->sc_state != WI_PCMCIA_ATTACHED)
397 		return (0);
398 
399 	error = wi_detach(&psc->sc_wi);
400 	if (error != 0)
401 		return (error);
402 
403 	pcmcia_function_unconfigure(psc->sc_pf);
404 
405 	return (0);
406 }
407 
408 /*
409  * Special routines to download firmware for Symbol CF card.
410  * XXX: This should be modified generic into any PRISM-2 based card.
411  */
412 
413 #define	WI_SBCF_PDIADDR		0x3100
414 
415 /* unaligned load little endian */
416 #define	GETLE32(p)	((p)[0] | ((p)[1]<<8) | ((p)[2]<<16) | ((p)[3]<<24))
417 #define	GETLE16(p)	((p)[0] | ((p)[1]<<8))
418 
419 #if WI_PCMCIA_SPECTRUM24T_FW
420 static int
421 wi_pcmcia_load_firm(struct wi_softc *sc, const void *primsym, int primlen,
422     const void *secsym, int seclen)
423 {
424 	u_int8_t ebuf[256];
425 	int i;
426 
427 	/* load primary code and run it */
428 	wi_pcmcia_set_hcr(sc, WI_HCR_EEHOLD);
429 	if (wi_pcmcia_write_firm(sc, primsym, primlen, NULL, 0))
430 		return EIO;
431 	wi_pcmcia_set_hcr(sc, WI_HCR_RUN);
432 	for (i = 0; ; i++) {
433 		if (i == 10)
434 			return ETIMEDOUT;
435 		tsleep(sc, PWAIT, "wiinit", 1);
436 		if (CSR_READ_2(sc, WI_CNTL) == WI_CNTL_AUX_ENA_STAT)
437 			break;
438 		/* write the magic key value to unlock aux port */
439 		CSR_WRITE_2(sc, WI_PARAM0, WI_AUX_KEY0);
440 		CSR_WRITE_2(sc, WI_PARAM1, WI_AUX_KEY1);
441 		CSR_WRITE_2(sc, WI_PARAM2, WI_AUX_KEY2);
442 		CSR_WRITE_2(sc, WI_CNTL, WI_CNTL_AUX_ENA_CNTL);
443 	}
444 
445 	/* issue read EEPROM command: XXX copied from wi_cmd() */
446 	CSR_WRITE_2(sc, WI_PARAM0, 0);
447 	CSR_WRITE_2(sc, WI_PARAM1, 0);
448 	CSR_WRITE_2(sc, WI_PARAM2, 0);
449 	CSR_WRITE_2(sc, WI_COMMAND, WI_CMD_READEE);
450         for (i = 0; i < WI_TIMEOUT; i++) {
451                 if (CSR_READ_2(sc, WI_EVENT_STAT) & WI_EV_CMD)
452                         break;
453                 DELAY(1);
454         }
455         CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_CMD);
456 
457 	CSR_WRITE_2(sc, WI_AUX_PAGE, WI_SBCF_PDIADDR / WI_AUX_PGSZ);
458 	CSR_WRITE_2(sc, WI_AUX_OFFSET, WI_SBCF_PDIADDR % WI_AUX_PGSZ);
459 	CSR_READ_MULTI_STREAM_2(sc, WI_AUX_DATA,
460 	    (u_int16_t *)ebuf, sizeof(ebuf) / 2);
461 	if (GETLE16(ebuf) > sizeof(ebuf))
462 		return EIO;
463 	if (wi_pcmcia_write_firm(sc, secsym, seclen, ebuf + 4, GETLE16(ebuf)))
464 		return EIO;
465 	return 0;
466 }
467 
468 static int
469 wi_pcmcia_write_firm(struct wi_softc *sc, const void *buf, int buflen,
470     const void *ebuf, int ebuflen)
471 {
472 	const u_int8_t *p, *ep, *q, *eq;
473 	char *endp;
474 	u_int32_t addr, id, eid;
475 	int i, len, elen, nblk, pdrlen;
476 
477 	/*
478 	 * Parse the header of the firmware image.
479 	 */
480 	p = buf;
481 	ep = p + buflen;
482 	while (p < ep && *p++ != ' ');	/* FILE: */
483 	while (p < ep && *p++ != ' ');	/* filename */
484 	while (p < ep && *p++ != ' ');	/* type of the firmware */
485 	nblk = strtoul(p, &endp, 10);
486 	p = (void *)endp;
487 	pdrlen = strtoul(p + 1, &endp, 10);
488 	p = (void *)endp;
489 	while (p < ep && *p++ != 0x1a);	/* skip rest of header */
490 
491 	/*
492 	 * Block records: address[4], length[2], data[length];
493 	 */
494 	for (i = 0; i < nblk; i++) {
495 		addr = GETLE32(p);	p += 4;
496 		len  = GETLE16(p);	p += 2;
497 		CSR_WRITE_2(sc, WI_AUX_PAGE, addr / WI_AUX_PGSZ);
498 		CSR_WRITE_2(sc, WI_AUX_OFFSET, addr % WI_AUX_PGSZ);
499 		CSR_WRITE_MULTI_STREAM_2(sc, WI_AUX_DATA,
500 		    (const u_int16_t *)p, len / 2);
501 		p += len;
502 	}
503 
504 	/*
505 	 * PDR: id[4], address[4], length[4];
506 	 */
507 	for (i = 0; i < pdrlen; ) {
508 		id   = GETLE32(p);	p += 4; i += 4;
509 		addr = GETLE32(p);	p += 4; i += 4;
510 		len  = GETLE32(p);	p += 4; i += 4;
511 		/* replace PDR entry with the values from EEPROM, if any */
512 		for (q = ebuf, eq = q + ebuflen; q < eq; q += elen * 2) {
513 			elen = GETLE16(q);	q += 2;
514 			eid  = GETLE16(q);	q += 2;
515 			elen--;		/* elen includes eid */
516 			if (eid == 0)
517 				break;
518 			if (eid != id)
519 				continue;
520 			CSR_WRITE_2(sc, WI_AUX_PAGE, addr / WI_AUX_PGSZ);
521 			CSR_WRITE_2(sc, WI_AUX_OFFSET, addr % WI_AUX_PGSZ);
522 			CSR_WRITE_MULTI_STREAM_2(sc, WI_AUX_DATA,
523 			    (const u_int16_t *)q, len / 2);
524 			break;
525 		}
526 	}
527 	return 0;
528 }
529 
530 static int
531 wi_pcmcia_set_hcr(struct wi_softc *sc, int mode)
532 {
533 	u_int16_t hcr;
534 
535 	CSR_WRITE_2(sc, WI_COR, WI_COR_RESET);
536 	tsleep(sc, PWAIT, "wiinit", 1);
537 	hcr = CSR_READ_2(sc, WI_HCR);
538 	hcr = (hcr & WI_HCR_4WIRE) | (mode & ~WI_HCR_4WIRE);
539 	CSR_WRITE_2(sc, WI_HCR, hcr);
540 	tsleep(sc, PWAIT, "wiinit", 1);
541 	CSR_WRITE_2(sc, WI_COR, WI_COR_IOMODE);
542 	tsleep(sc, PWAIT, "wiinit", 1);
543 	return 0;
544 }
545 #endif
546