Home | History | Annotate | Line # | Download | only in pcmcia
if_wi_pcmcia.c revision 1.86
      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 (at) 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