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if_wi_pcmcia.c revision 1.43
      1 /* $NetBSD: if_wi_pcmcia.c,v 1.43 2004/07/07 06:43:22 mycroft Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2001 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).
      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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * PCMCIA attachment for Lucent & Intersil WaveLAN PCMCIA card
     41  */
     42 
     43 #include <sys/cdefs.h>
     44 __KERNEL_RCSID(0, "$NetBSD: if_wi_pcmcia.c,v 1.43 2004/07/07 06:43:22 mycroft Exp $");
     45 
     46 #include <sys/param.h>
     47 #include <sys/systm.h>
     48 #include <sys/callout.h>
     49 #include <sys/device.h>
     50 #include <sys/proc.h>
     51 #include <sys/socket.h>
     52 
     53 #include <net/if.h>
     54 #include <net/if_ether.h>
     55 #include <net/if_media.h>
     56 
     57 #include <net80211/ieee80211_var.h>
     58 #include <net80211/ieee80211_compat.h>
     59 #include <net80211/ieee80211_radiotap.h>
     60 #include <net80211/ieee80211_rssadapt.h>
     61 
     62 #include <machine/cpu.h>
     63 #include <machine/bus.h>
     64 #include <machine/intr.h>
     65 
     66 #include <dev/ic/wi_ieee.h>
     67 #include <dev/ic/wireg.h>
     68 #include <dev/ic/wivar.h>
     69 
     70 #include <dev/pcmcia/pcmciareg.h>
     71 #include <dev/pcmcia/pcmciavar.h>
     72 #include <dev/pcmcia/pcmciadevs.h>
     73 
     74 #include <dev/microcode/wi/spectrum24t_cf.h>
     75 
     76 static int	wi_pcmcia_match __P((struct device *, struct cfdata *, void *));
     77 static void	wi_pcmcia_attach __P((struct device *, struct device *, void *));
     78 static int	wi_pcmcia_detach __P((struct device *, int));
     79 static int	wi_pcmcia_enable __P((struct wi_softc *));
     80 static void	wi_pcmcia_disable __P((struct wi_softc *));
     81 static void	wi_pcmcia_powerhook __P((int, void *));
     82 static void	wi_pcmcia_shutdown __P((void *));
     83 
     84 /* support to download firmware for symbol CF card */
     85 static int	wi_pcmcia_load_firm __P((struct wi_softc *, const void *, int, const void *, int));
     86 static int	wi_pcmcia_write_firm __P((struct wi_softc *, const void *, int, const void *, int));
     87 static int	wi_pcmcia_set_hcr __P((struct wi_softc *, int));
     88 
     89 
     90 static const struct wi_pcmcia_product
     91 		*wi_pcmcia_lookup __P((struct pcmcia_attach_args *pa));
     92 
     93 struct wi_pcmcia_softc {
     94 	struct wi_softc sc_wi;
     95 
     96 	/* PCMCIA-specific */
     97 	struct pcmcia_io_handle sc_pcioh;	/* PCMCIA i/o space info */
     98 	int sc_io_window;			/* our i/o window */
     99 	struct pcmcia_function *sc_pf;		/* PCMCIA function */
    100 	void *sc_powerhook;			/* power hook descriptor */
    101 	void *sc_sdhook;			/* shutdown hook */
    102 	int sc_symbol_cf;			/* Spectrum24t CF card */
    103 };
    104 
    105 static int wi_pcmcia_find __P((struct wi_pcmcia_softc *,
    106 	struct pcmcia_attach_args *, struct pcmcia_config_entry *));
    107 
    108 CFATTACH_DECL(wi_pcmcia, sizeof(struct wi_pcmcia_softc),
    109     wi_pcmcia_match, wi_pcmcia_attach, wi_pcmcia_detach, wi_activate);
    110 
    111 static const struct wi_pcmcia_product {
    112 	u_int32_t	pp_vendor;	/* vendor ID */
    113 	u_int32_t	pp_product;	/* product ID */
    114 	const char	*pp_cisinfo[4];	/* CIS information */
    115 } wi_pcmcia_products[] = {
    116 	{ PCMCIA_VENDOR_LUCENT, PCMCIA_PRODUCT_LUCENT_WAVELAN_IEEE,
    117 	  PCMCIA_CIS_SMC_2632W },
    118 
    119 	{ PCMCIA_VENDOR_LUCENT, PCMCIA_PRODUCT_LUCENT_WAVELAN_IEEE,
    120 	  PCMCIA_CIS_NANOSPEED_PRISM2 },
    121 
    122 	{ PCMCIA_VENDOR_LUCENT, PCMCIA_PRODUCT_LUCENT_WAVELAN_IEEE,
    123 	  PCMCIA_CIS_NEC_CMZ_RT_WP },
    124 
    125 	{ PCMCIA_VENDOR_LUCENT, PCMCIA_PRODUCT_LUCENT_WAVELAN_IEEE,
    126 	  PCMCIA_CIS_NTT_ME_WLAN },
    127 
    128 	{ PCMCIA_VENDOR_LUCENT, PCMCIA_PRODUCT_LUCENT_WAVELAN_IEEE,
    129 	  PCMCIA_CIS_LUCENT_WAVELAN_IEEE },
    130 
    131 	{ PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CRWE737A,
    132 	  PCMCIA_CIS_3COM_3CRWE737A },
    133 
    134 	{ PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCC_11,
    135 	  PCMCIA_CIS_COREGA_WIRELESS_LAN_PCC_11 },
    136 
    137 	{ PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCCA_11,
    138 	  PCMCIA_CIS_COREGA_WIRELESS_LAN_PCCA_11 },
    139 
    140 	{ PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCCB_11,
    141 	  PCMCIA_CIS_COREGA_WIRELESS_LAN_PCCB_11 },
    142 
    143 	{ PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCCL_11,
    144 	  PCMCIA_CIS_COREGA_WIRELESS_LAN_PCCL_11 },
    145 
    146 	{ PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_WLCFL_11,
    147 	  PCMCIA_CIS_COREGA_WIRELESS_LAN_WLCFL_11 },
    148 
    149 	{ PCMCIA_VENDOR_INTEL, PCMCIA_PRODUCT_INTEL_PRO_WLAN_2011,
    150 	  PCMCIA_CIS_INTEL_PRO_WLAN_2011 },
    151 
    152 	{ PCMCIA_VENDOR_INTERSIL, PCMCIA_PRODUCT_INTERSIL_PRISM2,
    153 	  PCMCIA_CIS_INTERSIL_PRISM2 },
    154 
    155 	{ PCMCIA_VENDOR_INTERSIL, PCMCIA_PRODUCT_GEMTEK_WLAN,
    156 	  PCMCIA_CIS_GEMTEK_WLAN },
    157 
    158 	{ PCMCIA_VENDOR_SAMSUNG, PCMCIA_PRODUCT_SAMSUNG_SWL_2000N,
    159 	  PCMCIA_CIS_SAMSUNG_SWL_2000N },
    160 
    161 	{ PCMCIA_VENDOR_ELSA, PCMCIA_PRODUCT_ELSA_XI300_IEEE,
    162 	  PCMCIA_CIS_ELSA_XI300_IEEE },
    163 
    164 	{ PCMCIA_VENDOR_ELSA, PCMCIA_PRODUCT_ELSA_XI325_IEEE,
    165 	  PCMCIA_CIS_ELSA_XI325_IEEE },
    166 
    167 	{ PCMCIA_VENDOR_ELSA, PCMCIA_PRODUCT_ELSA_XI800_IEEE,
    168 	  PCMCIA_CIS_ELSA_XI800_IEEE },
    169 
    170 	{ PCMCIA_VENDOR_COMPAQ, PCMCIA_PRODUCT_COMPAQ_NC5004,
    171 	  PCMCIA_CIS_COMPAQ_NC5004 },
    172 
    173 	{ PCMCIA_VENDOR_CONTEC, PCMCIA_PRODUCT_CONTEC_FX_DS110_PCC,
    174 	  PCMCIA_CIS_CONTEC_FX_DS110_PCC },
    175 
    176 	{ PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CD011WL,
    177 	  PCMCIA_CIS_TDK_LAK_CD011WL },
    178 
    179 	{ PCMCIA_VENDOR_IODATA2, PCMCIA_PRODUCT_IODATA2_WNB11PCM,
    180 	  PCMCIA_CIS_IODATA2_WNB11PCM },
    181 
    182 	{ PCMCIA_VENDOR_IODATA2, PCMCIA_PRODUCT_IODATA2_WCF12,
    183 	  PCMCIA_CIS_IODATA2_WCF12 },
    184 
    185 	{ PCMCIA_VENDOR_BUFFALO, PCMCIA_PRODUCT_BUFFALO_WLI_PCM_S11,
    186 	  PCMCIA_CIS_BUFFALO_WLI_PCM_S11 },
    187 
    188 	{ PCMCIA_VENDOR_BUFFALO, PCMCIA_PRODUCT_BUFFALO_WLI_CF_S11G,
    189 	  PCMCIA_CIS_BUFFALO_WLI_CF_S11G },
    190 
    191 	{ PCMCIA_VENDOR_EMTAC, PCMCIA_PRODUCT_EMTAC_WLAN,
    192 	  PCMCIA_CIS_EMTAC_WLAN },
    193 
    194 	{ PCMCIA_VENDOR_NETGEAR_2, PCMCIA_PRODUCT_NETGEAR_2_MA401,
    195 	  PCMCIA_CIS_NETGEAR_2_MA401 },
    196 
    197 	{ PCMCIA_VENDOR_SIMPLETECH, PCMCIA_PRODUCT_SIMPLETECH_SPECTRUM24_ALT,
    198 	  PCMCIA_CIS_SIMPLETECH_SPECTRUM24_ALT },
    199 
    200 	{ PCMCIA_VENDOR_ERICSSON, PCMCIA_PRODUCT_ERICSSON_WIRELESSLAN,
    201 	  PCMCIA_CIS_ERICSSON_WIRELESSLAN },
    202 
    203 	{ PCMCIA_VENDOR_SYMBOL, PCMCIA_PRODUCT_SYMBOL_LA4100,
    204 	  PCMCIA_CIS_SYMBOL_LA4100 },
    205 
    206 	{ PCMCIA_VENDOR_LINKSYS2, PCMCIA_PRODUCT_LINKSYS2_IWN,
    207 	  PCMCIA_CIS_NANOSPEED_PRISM2 },
    208 
    209 	{ PCMCIA_VENDOR_LINKSYS2, PCMCIA_PRODUCT_LINKSYS2_IWN3,
    210 	  PCMCIA_CIS_LINKSYS2_IWN3 },
    211 
    212 	{ PCMCIA_VENDOR_LINKSYS2, PCMCIA_PRODUCT_LINKSYS2_WCF11,
    213 	  PCMCIA_CIS_LINKSYS2_WCF11 },
    214 
    215 	{ PCMCIA_VENDOR_PLANEX, PCMCIA_PRODUCT_PLANEX_GWNS11H,
    216 	  PCMCIA_CIS_PLANEX_GWNS11H },
    217 
    218 	{ PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_EMOBILITY_11B,
    219 	  PCMCIA_CIS_BAY_EMOBILITY_11B },
    220 
    221 	{ PCMCIA_VENDOR_ACTIONTEC, PCMCIA_PRODUCT_ACTIONTEC_PRISM,
    222 	  PCMCIA_CIS_ACTIONTEC_PRISM },
    223 
    224 	{ PCMCIA_VENDOR_DLINK_2, PCMCIA_PRODUCT_DLINK_DWL650H,
    225 	  PCMCIA_CIS_DLINK_DWL650H },
    226 
    227 	{ PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_WL110,
    228 	  PCMCIA_CIS_FUJITSU_WL110 },
    229 
    230 	{ PCMCIA_VENDOR_ARTEM, PCMCIA_PRODUCT_ARTEM_ONAIR,
    231 	  PCMCIA_CIS_ARTEM_ONAIR },
    232 };
    233 
    234 static const struct wi_pcmcia_product *
    235 wi_pcmcia_lookup(pa)
    236 	struct pcmcia_attach_args *pa;
    237 {
    238 	const struct wi_pcmcia_product *pp;
    239 	int n;
    240 
    241 	/* match by CIS information */
    242 	for (pp = wi_pcmcia_products,
    243 	    n = sizeof(wi_pcmcia_products) / sizeof(wi_pcmcia_products[0]);
    244 	    n; pp++, n--) {
    245 		if (pa->card->cis1_info[0] != NULL &&
    246 		    pp->pp_cisinfo[0] != NULL &&
    247 		    strcmp(pa->card->cis1_info[0], pp->pp_cisinfo[0]) == 0 &&
    248 		    pa->card->cis1_info[1] != NULL &&
    249 		    pp->pp_cisinfo[1] != NULL &&
    250 		    strcmp(pa->card->cis1_info[1], pp->pp_cisinfo[1]) == 0)
    251 			return pp;
    252 		if (pa->manufacturer != PCMCIA_VENDOR_INVALID &&
    253 		    pa->manufacturer == pp->pp_vendor &&
    254 		    pa->product != PCMCIA_PRODUCT_INVALID &&
    255 		    pa->product == pp->pp_product)
    256 			return pp;
    257 	}
    258 
    259 	return (NULL);
    260 }
    261 
    262 static int
    263 wi_pcmcia_match(parent, match, aux)
    264 	struct device *parent;
    265 	struct cfdata *match;
    266 	void *aux;
    267 {
    268 	struct pcmcia_attach_args *pa = aux;
    269 
    270 	if (wi_pcmcia_lookup(pa) != NULL)
    271 		return (1);
    272 	return (0);
    273 }
    274 
    275 static int
    276 wi_pcmcia_enable(sc)
    277 	struct wi_softc *sc;
    278 {
    279 	struct wi_pcmcia_softc *psc = (struct wi_pcmcia_softc *)sc;
    280 	struct pcmcia_function *pf = psc->sc_pf;
    281 
    282 	/* establish the interrupt. */
    283 	sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, wi_intr, sc);
    284 	if (sc->sc_ih == NULL) {
    285 		printf("%s: couldn't establish interrupt\n",
    286 		    sc->sc_dev.dv_xname);
    287 		return (EIO);
    288 	}
    289 	if (pcmcia_function_enable(pf) != 0) {
    290 		printf("%s: couldn't enable card\n", sc->sc_dev.dv_xname);
    291 		pcmcia_intr_disestablish(pf, sc->sc_ih);
    292 		return (EIO);
    293 	}
    294 	DELAY(1000);
    295 	if (psc->sc_symbol_cf) {
    296 		if (wi_pcmcia_load_firm(sc,
    297 		    spectrum24t_primsym, sizeof(spectrum24t_primsym),
    298 		    spectrum24t_secsym, sizeof(spectrum24t_secsym))) {
    299 			printf("%s: couldn't load firmware\n",
    300 			    sc->sc_dev.dv_xname);
    301 			wi_pcmcia_disable(sc);
    302 			return (EIO);
    303 		}
    304 	}
    305 	return (0);
    306 }
    307 
    308 static void
    309 wi_pcmcia_disable(sc)
    310 	struct wi_softc *sc;
    311 {
    312 	struct wi_pcmcia_softc *psc = (struct wi_pcmcia_softc *)sc;
    313 
    314 	pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
    315 	pcmcia_function_disable(psc->sc_pf);
    316 }
    317 
    318 static int
    319 wi_pcmcia_find(psc, pa, cfe)
    320 	struct wi_pcmcia_softc *psc;
    321 	struct pcmcia_attach_args *pa;
    322 	struct pcmcia_config_entry *cfe;
    323 {
    324 	struct wi_softc *sc = &psc->sc_wi;
    325 
    326 	/* Allocate/map I/O space. */
    327 	if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start,
    328 	    cfe->iospace[0].length, WI_IOSIZE, &psc->sc_pcioh) != 0) {
    329 		printf("%s: can't allocate i/o space\n", sc->sc_dev.dv_xname);
    330 		goto fail1;
    331 	}
    332 	if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0,
    333 	    psc->sc_pcioh.size, &psc->sc_pcioh, &psc->sc_io_window) != 0) {
    334 		printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
    335 		goto fail2;
    336 	}
    337 	/* Enable the card */
    338 	pcmcia_function_init(psc->sc_pf, cfe);
    339 	if (pcmcia_function_enable(psc->sc_pf)) {
    340 		printf("%s: function enable failed\n", sc->sc_dev.dv_xname);
    341 		goto fail3;
    342 	}
    343 
    344 	sc->sc_iot = psc->sc_pcioh.iot;
    345 	sc->sc_ioh = psc->sc_pcioh.ioh;
    346 
    347 	DELAY(1000);
    348 	return(0);
    349 
    350 fail3:
    351 	pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
    352 fail2:
    353 	pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
    354 fail1:
    355 	psc->sc_io_window = -1;
    356 	return(1);
    357 }
    358 
    359 static void
    360 wi_pcmcia_attach(parent, self, aux)
    361 	struct device  *parent, *self;
    362 	void           *aux;
    363 {
    364 	struct wi_pcmcia_softc *psc = (void *)self;
    365 	struct wi_softc *sc = &psc->sc_wi;
    366 	const struct wi_pcmcia_product *pp;
    367 	struct pcmcia_attach_args *pa = aux;
    368 	struct pcmcia_config_entry *cfe;
    369 
    370 	aprint_normal("\n");
    371 
    372 	psc->sc_pf = pa->pf;
    373 
    374 	SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) {
    375 		if (cfe->iftype != PCMCIA_IFTYPE_IO)
    376 			continue;
    377 		if (cfe->iospace[0].length < WI_IOSIZE)
    378 			continue;
    379 		if (wi_pcmcia_find(psc, pa, cfe) == 0)
    380 			break;
    381 	}
    382 	if (cfe == NULL) {
    383 		printf(": no suitable CIS info found\n");
    384 		goto no_config_entry;
    385 	}
    386 
    387 	pp = wi_pcmcia_lookup(pa);
    388 	if (pp == NULL)
    389 		panic("wi_pcmcia_attach: impossible");
    390 
    391 	sc->sc_pci = 0;
    392 	sc->sc_enabled = 1;
    393 	sc->sc_enable = wi_pcmcia_enable;
    394 	sc->sc_disable = wi_pcmcia_disable;
    395 	if (pp->pp_vendor == PCMCIA_VENDOR_SYMBOL &&
    396 	    pp->pp_product == PCMCIA_PRODUCT_SYMBOL_LA4100)
    397 		psc->sc_symbol_cf = 1;
    398 	/*
    399 	 * XXX: Sony PEGA-WL100 CF card has a same vendor/product id as
    400 	 *	Intel PCMCIA card.  It may be incorrect to detect by the
    401 	 *	initial value of COR register.
    402 	 */
    403 	if (pp->pp_vendor == PCMCIA_VENDOR_INTEL &&
    404 	    pp->pp_product == PCMCIA_PRODUCT_INTEL_PRO_WLAN_2011 &&
    405 	    CSR_READ_2(sc, WI_COR) == WI_COR_IOMODE)
    406 		psc->sc_symbol_cf = 1;
    407 
    408 	if (psc->sc_symbol_cf) {
    409 		if (wi_pcmcia_load_firm(sc,
    410 		    spectrum24t_primsym, sizeof(spectrum24t_primsym),
    411 		    spectrum24t_secsym, sizeof(spectrum24t_secsym))) {
    412 			printf("%s: couldn't load firmware\n",
    413 				sc->sc_dev.dv_xname);
    414 			goto no_interrupt;
    415 		}
    416 	}
    417 
    418 	/* establish the interrupt. */
    419 	sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, wi_intr, sc);
    420 	if (sc->sc_ih == NULL) {
    421 		printf("%s: couldn't establish interrupt\n",
    422 		        sc->sc_dev.dv_xname);
    423 		goto no_interrupt;
    424 	}
    425 
    426 	printf("%s:", sc->sc_dev.dv_xname);
    427 	if (wi_attach(sc) != 0) {
    428 		printf("%s: failed to attach controller\n",
    429 		    sc->sc_dev.dv_xname);
    430 			goto attach_failed;
    431 	}
    432 
    433 	psc->sc_sdhook    = shutdownhook_establish(wi_pcmcia_shutdown, psc);
    434 	psc->sc_powerhook = powerhook_establish(wi_pcmcia_powerhook, psc);
    435 
    436 	/* disable the card */
    437 	sc->sc_enabled = 0;
    438 	wi_pcmcia_disable(sc);
    439 
    440 	return;
    441 
    442 attach_failed:
    443 	pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
    444 no_interrupt:
    445 	pcmcia_function_disable(psc->sc_pf);
    446 	pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
    447 	pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
    448 no_config_entry:
    449 	psc->sc_io_window = -1;
    450 }
    451 
    452 static int
    453 wi_pcmcia_detach(self, flags)
    454 	struct device *self;
    455 	int flags;
    456 {
    457 	struct wi_pcmcia_softc *psc = (struct wi_pcmcia_softc *)self;
    458 	int error;
    459 
    460 	if (psc->sc_io_window == -1)
    461 		/* Nothing to detach. */
    462 		return (0);
    463 
    464 	if (psc->sc_powerhook != NULL)
    465 		powerhook_disestablish(psc->sc_powerhook);
    466 	if (psc->sc_sdhook != NULL)
    467 		shutdownhook_disestablish(psc->sc_sdhook);
    468 
    469 	error = wi_detach(&psc->sc_wi);
    470 	if (error != 0)
    471 		return (error);
    472 
    473 	/* Unmap our i/o window. */
    474 	pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
    475 
    476 	/* Free our i/o space. */
    477 	pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
    478 	return (0);
    479 }
    480 
    481 static void
    482 wi_pcmcia_powerhook(why, arg)
    483 	int why;
    484 	void *arg;
    485 {
    486 	struct wi_pcmcia_softc *psc = arg;
    487 	struct wi_softc *sc = &psc->sc_wi;
    488 
    489 	wi_power(sc, why);
    490 }
    491 
    492 static void
    493 wi_pcmcia_shutdown(arg)
    494 	void *arg;
    495 {
    496 	struct wi_pcmcia_softc *psc = arg;
    497 	struct wi_softc *sc = &psc->sc_wi;
    498 
    499 	wi_shutdown(sc);
    500 }
    501 
    502 /*
    503  * Special routines to download firmware for Symbol CF card.
    504  * XXX: This should be modified generic into any PRISM-2 based card.
    505  */
    506 
    507 #define	WI_SBCF_PDIADDR		0x3100
    508 
    509 /* unaligned load little endian */
    510 #define	GETLE32(p)	((p)[0] | ((p)[1]<<8) | ((p)[2]<<16) | ((p)[3]<<24))
    511 #define	GETLE16(p)	((p)[0] | ((p)[1]<<8))
    512 
    513 static int
    514 wi_pcmcia_load_firm(sc, primsym, primlen, secsym, seclen)
    515 	struct wi_softc *sc;
    516 	const void *primsym, *secsym;
    517 	int primlen, seclen;
    518 {
    519 	u_int8_t ebuf[256];
    520 	int i;
    521 
    522 	/* load primary code and run it */
    523 	wi_pcmcia_set_hcr(sc, WI_HCR_EEHOLD);
    524 	if (wi_pcmcia_write_firm(sc, primsym, primlen, NULL, 0))
    525 		return EIO;
    526 	wi_pcmcia_set_hcr(sc, WI_HCR_RUN);
    527 	for (i = 0; ; i++) {
    528 		if (i == 10)
    529 			return ETIMEDOUT;
    530 		tsleep(sc, PWAIT, "wiinit", 1);
    531 		if (CSR_READ_2(sc, WI_CNTL) == WI_CNTL_AUX_ENA_STAT)
    532 			break;
    533 		/* write the magic key value to unlock aux port */
    534 		CSR_WRITE_2(sc, WI_PARAM0, WI_AUX_KEY0);
    535 		CSR_WRITE_2(sc, WI_PARAM1, WI_AUX_KEY1);
    536 		CSR_WRITE_2(sc, WI_PARAM2, WI_AUX_KEY2);
    537 		CSR_WRITE_2(sc, WI_CNTL, WI_CNTL_AUX_ENA_CNTL);
    538 	}
    539 
    540 	/* issue read EEPROM command: XXX copied from wi_cmd() */
    541 	CSR_WRITE_2(sc, WI_PARAM0, 0);
    542 	CSR_WRITE_2(sc, WI_PARAM1, 0);
    543 	CSR_WRITE_2(sc, WI_PARAM2, 0);
    544 	CSR_WRITE_2(sc, WI_COMMAND, WI_CMD_READEE);
    545         for (i = 0; i < WI_TIMEOUT; i++) {
    546                 if (CSR_READ_2(sc, WI_EVENT_STAT) & WI_EV_CMD)
    547                         break;
    548                 DELAY(1);
    549         }
    550         CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_CMD);
    551 
    552 	CSR_WRITE_2(sc, WI_AUX_PAGE, WI_SBCF_PDIADDR / WI_AUX_PGSZ);
    553 	CSR_WRITE_2(sc, WI_AUX_OFFSET, WI_SBCF_PDIADDR % WI_AUX_PGSZ);
    554 	CSR_READ_MULTI_STREAM_2(sc, WI_AUX_DATA,
    555 	    (u_int16_t *)ebuf, sizeof(ebuf) / 2);
    556 	if (GETLE16(ebuf) > sizeof(ebuf))
    557 		return EIO;
    558 	if (wi_pcmcia_write_firm(sc, secsym, seclen, ebuf + 4, GETLE16(ebuf)))
    559 		return EIO;
    560 	return 0;
    561 }
    562 
    563 static int
    564 wi_pcmcia_write_firm(sc, buf, buflen, ebuf, ebuflen)
    565 	struct wi_softc *sc;
    566 	const void *buf, *ebuf;
    567 	int buflen, ebuflen;
    568 {
    569 	const u_int8_t *p, *ep, *q, *eq;
    570 	u_int32_t addr, id, eid;
    571 	int i, len, elen, nblk, pdrlen;
    572 
    573 	/*
    574 	 * Parse the header of the firmware image.
    575 	 */
    576 	p = buf;
    577 	ep = p + buflen;
    578 	while (p < ep && *p++ != ' ');	/* FILE: */
    579 	while (p < ep && *p++ != ' ');	/* filename */
    580 	while (p < ep && *p++ != ' ');	/* type of the firmware */
    581 	nblk = strtoul(p, (void *)&p, 10);
    582 	pdrlen = strtoul(p + 1, (void *)&p, 10);
    583 	while (p < ep && *p++ != 0x1a);	/* skip rest of header */
    584 
    585 	/*
    586 	 * Block records: address[4], length[2], data[length];
    587 	 */
    588 	for (i = 0; i < nblk; i++) {
    589 		addr = GETLE32(p);	p += 4;
    590 		len  = GETLE16(p);	p += 2;
    591 		CSR_WRITE_2(sc, WI_AUX_PAGE, addr / WI_AUX_PGSZ);
    592 		CSR_WRITE_2(sc, WI_AUX_OFFSET, addr % WI_AUX_PGSZ);
    593 		CSR_WRITE_MULTI_STREAM_2(sc, WI_AUX_DATA,
    594 		    (const u_int16_t *)p, len / 2);
    595 		p += len;
    596 	}
    597 
    598 	/*
    599 	 * PDR: id[4], address[4], length[4];
    600 	 */
    601 	for (i = 0; i < pdrlen; ) {
    602 		id   = GETLE32(p);	p += 4; i += 4;
    603 		addr = GETLE32(p);	p += 4; i += 4;
    604 		len  = GETLE32(p);	p += 4; i += 4;
    605 		/* replace PDR entry with the values from EEPROM, if any */
    606 		for (q = ebuf, eq = q + ebuflen; q < eq; q += elen * 2) {
    607 			elen = GETLE16(q);	q += 2;
    608 			eid  = GETLE16(q);	q += 2;
    609 			elen--;		/* elen includes eid */
    610 			if (eid == 0)
    611 				break;
    612 			if (eid != id)
    613 				continue;
    614 			CSR_WRITE_2(sc, WI_AUX_PAGE, addr / WI_AUX_PGSZ);
    615 			CSR_WRITE_2(sc, WI_AUX_OFFSET, addr % WI_AUX_PGSZ);
    616 			CSR_WRITE_MULTI_STREAM_2(sc, WI_AUX_DATA,
    617 			    (const u_int16_t *)q, len / 2);
    618 			break;
    619 		}
    620 	}
    621 	return 0;
    622 }
    623 
    624 static int
    625 wi_pcmcia_set_hcr(sc, mode)
    626 	struct wi_softc *sc;
    627 	int mode;
    628 {
    629 	u_int16_t hcr;
    630 
    631 	CSR_WRITE_2(sc, WI_COR, WI_COR_RESET);
    632 	tsleep(sc, PWAIT, "wiinit", 1);
    633 	hcr = CSR_READ_2(sc, WI_HCR);
    634 	hcr = (hcr & WI_HCR_4WIRE) | (mode & ~WI_HCR_4WIRE);
    635 	CSR_WRITE_2(sc, WI_HCR, hcr);
    636 	tsleep(sc, PWAIT, "wiinit", 1);
    637 	CSR_WRITE_2(sc, WI_COR, WI_COR_IOMODE);
    638 	tsleep(sc, PWAIT, "wiinit", 1);
    639 	return 0;
    640 }
    641