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if_wi_pcmcia.c revision 1.13
      1 /* $NetBSD: if_wi_pcmcia.c,v 1.13 2001/11/18 04:27:49 mrg 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 1.13 2001/11/18 04:27:49 mrg 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/socket.h>
     51 
     52 #include <net/if.h>
     53 #include <net/if_ether.h>
     54 #include <net/if_media.h>
     55 #include <net/if_ieee80211.h>
     56 
     57 #include <machine/cpu.h>
     58 #include <machine/bus.h>
     59 #include <machine/intr.h>
     60 
     61 #include <dev/ic/wi_ieee.h>
     62 #include <dev/ic/wireg.h>
     63 #include <dev/ic/wivar.h>
     64 
     65 #include <dev/pcmcia/pcmciareg.h>
     66 #include <dev/pcmcia/pcmciavar.h>
     67 #include <dev/pcmcia/pcmciadevs.h>
     68 
     69 static int	wi_pcmcia_match __P((struct device *, struct cfdata *, void *));
     70 static void	wi_pcmcia_attach __P((struct device *, struct device *, void *));
     71 static int	wi_pcmcia_detach __P((struct device *, int));
     72 static int	wi_pcmcia_enable __P((struct wi_softc *));
     73 static void	wi_pcmcia_disable __P((struct wi_softc *));
     74 static void	wi_pcmcia_powerhook __P((int, void *));
     75 static void	wi_pcmcia_shutdown __P((void *));
     76 
     77 static const struct wi_pcmcia_product
     78 		*wi_pcmcia_lookup __P((struct pcmcia_attach_args *pa));
     79 
     80 struct wi_pcmcia_softc {
     81 	struct wi_softc sc_wi;
     82 
     83 	/* PCMCIA-specific */
     84 	struct pcmcia_io_handle sc_pcioh;	/* PCMCIA i/o space info */
     85 	int sc_io_window;			/* our i/o window */
     86 	struct pcmcia_function *sc_pf;		/* PCMCIA function */
     87 	void *sc_powerhook;			/* power hook descriptor */
     88 	void *sc_sdhook;			/* shutdown hook */
     89 
     90 };
     91 
     92 static int wi_pcmcia_find __P((struct wi_pcmcia_softc *,
     93 	struct pcmcia_attach_args *, struct pcmcia_config_entry *));
     94 
     95 struct cfattach wi_pcmcia_ca = {
     96 	sizeof(struct wi_pcmcia_softc), wi_pcmcia_match, wi_pcmcia_attach,
     97 	wi_pcmcia_detach, wi_activate,
     98 };
     99 
    100 static const struct wi_pcmcia_product {
    101 	u_int32_t	pp_vendor;	/* vendor ID */
    102 	u_int32_t	pp_product;	/* product ID */
    103 	const char	*pp_cisinfo[4];	/* CIS information */
    104 	const char	*pp_name;	/* product name */
    105 } wi_pcmcia_products[] = {
    106 	{ PCMCIA_VENDOR_LUCENT,
    107 	  PCMCIA_PRODUCT_LUCENT_WAVELAN_IEEE,
    108 	  PCMCIA_CIS_LUCENT_WAVELAN_IEEE,
    109 	  PCMCIA_STR_LUCENT_WAVELAN_IEEE },
    110 
    111 	{ PCMCIA_VENDOR_3COM,
    112 	  PCMCIA_PRODUCT_3COM_3CRWE737A,
    113 	  PCMCIA_CIS_3COM_3CRWE737A,
    114 	  PCMCIA_STR_3COM_3CRWE737A },
    115 
    116 	{ PCMCIA_VENDOR_COREGA,
    117 	  PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCC_11,
    118 	  PCMCIA_CIS_COREGA_WIRELESS_LAN_PCC_11,
    119 	  PCMCIA_STR_COREGA_WIRELESS_LAN_PCC_11 },
    120 
    121 	{ PCMCIA_VENDOR_COREGA,
    122 	  PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCCA_11,
    123 	  PCMCIA_CIS_COREGA_WIRELESS_LAN_PCCA_11,
    124 	  PCMCIA_STR_COREGA_WIRELESS_LAN_PCCA_11 },
    125 
    126 	{ PCMCIA_VENDOR_COREGA,
    127 	  PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCCB_11,
    128 	  PCMCIA_CIS_COREGA_WIRELESS_LAN_PCCB_11,
    129 	  PCMCIA_STR_COREGA_WIRELESS_LAN_PCCB_11 },
    130 
    131 	{ PCMCIA_VENDOR_INTEL,
    132 	  PCMCIA_PRODUCT_INTEL_PRO_WLAN_2011,
    133 	  PCMCIA_CIS_INTEL_PRO_WLAN_2011,
    134 	  PCMCIA_STR_INTEL_PRO_WLAN_2011 },
    135 
    136 	{ PCMCIA_VENDOR_INTERSIL,
    137 	  PCMCIA_PRODUCT_INTERSIL_PRISM2,
    138 	  PCMCIA_CIS_INTERSIL_PRISM2,
    139 	  PCMCIA_STR_INTERSIL_PRISM2 },
    140 
    141 	{ PCMCIA_VENDOR_SAMSUNG,
    142 	  PCMCIA_PRODUCT_SAMSUNG_SWL_2000N,
    143 	  PCMCIA_CIS_SAMSUNG_SWL_2000N,
    144 	  PCMCIA_STR_SAMSUNG_SWL_2000N },
    145 
    146 	{ PCMCIA_VENDOR_LUCENT,
    147 	  PCMCIA_PRODUCT_LUCENT_WAVELAN_IEEE,
    148 	  PCMCIA_CIS_SMC_2632W,
    149 	  PCMCIA_STR_SMC_2632W },
    150 
    151 	{ PCMCIA_VENDOR_LUCENT,
    152 	  PCMCIA_PRODUCT_LUCENT_WAVELAN_IEEE,
    153 	  PCMCIA_CIS_NANOSPEED_PRISM2,
    154 	  PCMCIA_STR_NANOSPEED_PRISM2 },
    155 
    156 	{ PCMCIA_VENDOR_LINKSYS2,
    157 	  PCMCIA_PRODUCT_LINKSYS2_IWN,
    158 	  PCMCIA_CIS_NANOSPEED_PRISM2,
    159 	  PCMCIA_STR_NANOSPEED_PRISM2 },
    160 
    161 	{ PCMCIA_VENDOR_ELSA,
    162 	  PCMCIA_PRODUCT_ELSA_XI300_IEEE,
    163 	  PCMCIA_CIS_ELSA_XI300_IEEE,
    164 	  PCMCIA_STR_ELSA_XI300_IEEE },
    165 
    166 	{ PCMCIA_VENDOR_COMPAQ,
    167 	  PCMCIA_PRODUCT_COMPAQ_NC5004,
    168 	  PCMCIA_CIS_COMPAQ_NC5004,
    169 	  PCMCIA_STR_COMPAQ_NC5004 },
    170 
    171 	{ PCMCIA_VENDOR_CONTEC,
    172 	  PCMCIA_PRODUCT_CONTEC_FX_DS110_PCC,
    173 	  PCMCIA_CIS_CONTEC_FX_DS110_PCC,
    174 	  PCMCIA_STR_CONTEC_FX_DS110_PCC },
    175 
    176 	{ PCMCIA_VENDOR_TDK,
    177 	  PCMCIA_PRODUCT_TDK_LAK_CD011WL,
    178 	  PCMCIA_CIS_TDK_LAK_CD011WL,
    179 	  PCMCIA_STR_TDK_LAK_CD011WL },
    180 
    181 	{ PCMCIA_VENDOR_LUCENT,
    182 	  PCMCIA_PRODUCT_LUCENT_WAVELAN_IEEE,
    183 	  PCMCIA_CIS_NEC_CMZ_RT_WP,
    184 	  PCMCIA_STR_NEC_CMZ_RT_WP },
    185 
    186 	{ PCMCIA_VENDOR_LUCENT,
    187 	  PCMCIA_PRODUCT_LUCENT_WAVELAN_IEEE,
    188 	  PCMCIA_CIS_NTT_ME_WLAN,
    189 	  PCMCIA_STR_NTT_ME_WLAN },
    190 
    191 	{ PCMCIA_VENDOR_IODATA2,
    192 	  PCMCIA_PRODUCT_IODATA2_WNB11PCM,
    193 	  PCMCIA_CIS_IODATA2_WNB11PCM,
    194 	  PCMCIA_STR_IODATA2_WNB11PCM },
    195 
    196 	{ PCMCIA_VENDOR_BUFFALO,
    197 	  PCMCIA_PRODUCT_BUFFALO_WLI_PCM_S11,
    198 	  PCMCIA_CIS_BUFFALO_WLI_PCM_S11,
    199 	  PCMCIA_STR_BUFFALO_WLI_PCM_S11 },
    200 
    201 	{ PCMCIA_VENDOR_EMTAC,
    202 	  PCMCIA_PRODUCT_EMTAC_WLAN,
    203 	  PCMCIA_CIS_EMTAC_WLAN,
    204 	  PCMCIA_STR_EMTAC_WLAN },
    205 
    206 	{ PCMCIA_VENDOR_INTERSIL,
    207 	  PCMCIA_PRODUCT_GEMTEK_WLAN,
    208 	  PCMCIA_CIS_GEMTEK_WLAN,
    209 	  PCMCIA_STR_GEMTEK_WLAN },
    210 
    211 	{ PCMCIA_VENDOR_ELSA,
    212 	  PCMCIA_PRODUCT_ELSA_XI800_IEEE,
    213 	  PCMCIA_CIS_ELSA_XI800_IEEE,
    214 	  PCMCIA_STR_ELSA_XI800_IEEE },
    215 
    216 	{ 0,
    217 	  0,
    218 	  { NULL, NULL, NULL, NULL },
    219 	  NULL }
    220 };
    221 
    222 static const struct wi_pcmcia_product *
    223 wi_pcmcia_lookup(pa)
    224 	struct pcmcia_attach_args *pa;
    225 {
    226 	const struct wi_pcmcia_product *pp;
    227 
    228 	/* match by CIS information */
    229 	for (pp = wi_pcmcia_products; pp->pp_name != NULL; pp++) {
    230 		if (pa->card->cis1_info[0] != NULL &&
    231 		    pp->pp_cisinfo[0] != NULL &&
    232 		    strcmp(pa->card->cis1_info[0], pp->pp_cisinfo[0]) == 0 &&
    233 		    pa->card->cis1_info[1] != NULL &&
    234 		    pp->pp_cisinfo[1] != NULL &&
    235 		    strcmp(pa->card->cis1_info[1], pp->pp_cisinfo[1]) == 0)
    236 			return pp;
    237 	}
    238 
    239 	/* match by vendor/product id */
    240 	for (pp = wi_pcmcia_products; pp->pp_name != NULL; pp++) {
    241 		if (pa->manufacturer != PCMCIA_VENDOR_INVALID &&
    242 		    pa->manufacturer == pp->pp_vendor &&
    243 		    pa->product != PCMCIA_PRODUCT_INVALID &&
    244 		    pa->product == pp->pp_product)
    245 			return pp;
    246 	}
    247 
    248 	return (NULL);
    249 }
    250 
    251 static int
    252 wi_pcmcia_match(parent, match, aux)
    253 	struct device *parent;
    254 	struct cfdata *match;
    255 	void *aux;
    256 {
    257 	struct pcmcia_attach_args *pa = aux;
    258 
    259 	if (wi_pcmcia_lookup(pa) != NULL)
    260 		return (1);
    261 	return (0);
    262 }
    263 
    264 static int
    265 wi_pcmcia_enable(sc)
    266 	struct wi_softc *sc;
    267 {
    268 	struct wi_pcmcia_softc *psc = (struct wi_pcmcia_softc *)sc;
    269 	struct pcmcia_function *pf = psc->sc_pf;
    270 
    271 	/* establish the interrupt. */
    272 	sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, wi_intr, sc);
    273 	if (sc->sc_ih == NULL) {
    274 		printf("%s: couldn't establish interrupt\n",
    275 		    sc->sc_dev.dv_xname);
    276 		return (EIO);
    277 	}
    278 	if (pcmcia_function_enable(pf) != 0) {
    279 		printf("%s: couldn't enable card\n", sc->sc_dev.dv_xname);
    280 		pcmcia_intr_disestablish(pf, sc->sc_ih);
    281 		return (EIO);
    282 	}
    283 	DELAY(1000);
    284 	return (0);
    285 }
    286 
    287 static void
    288 wi_pcmcia_disable(sc)
    289 	struct wi_softc *sc;
    290 {
    291 	struct wi_pcmcia_softc *psc = (struct wi_pcmcia_softc *)sc;
    292 
    293 	pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
    294 	pcmcia_function_disable(psc->sc_pf);
    295 }
    296 
    297 static int
    298 wi_pcmcia_find(psc, pa, cfe)
    299 	struct wi_pcmcia_softc *psc;
    300 	struct pcmcia_attach_args *pa;
    301 	struct pcmcia_config_entry *cfe;
    302 {
    303 	struct wi_softc *sc = &psc->sc_wi;
    304 
    305 	/* Allocate/map I/O space. */
    306 	if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start,
    307 	    cfe->iospace[0].length, WI_IOSIZE,
    308 	    &psc->sc_pcioh) != 0) {
    309 		printf("%s: can't allocate i/o space\n",
    310 			sc->sc_dev.dv_xname);
    311 		goto fail1;
    312 	}
    313 	printf("%s:", sc->sc_dev.dv_xname);
    314 	if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0,
    315 	    psc->sc_pcioh.size, &psc->sc_pcioh,
    316 	    &psc->sc_io_window) != 0) {
    317 		printf(" can't map i/o space\n");
    318 		goto fail2;
    319 	}
    320 	/* Enable the card */
    321 	pcmcia_function_init(psc->sc_pf, cfe);
    322 	if (pcmcia_function_enable(psc->sc_pf)) {
    323 		printf("%s: function enable failed\n", sc->sc_dev.dv_xname);
    324 		goto fail3;
    325 	}
    326 
    327 	sc->sc_iot = psc->sc_pcioh.iot;
    328 	sc->sc_ioh = psc->sc_pcioh.ioh;
    329 
    330 	DELAY(1000);
    331 	return(0);
    332 
    333 fail3:
    334 	pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
    335 fail2:
    336 	pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
    337 fail1:
    338 	psc->sc_io_window = -1;
    339 	return(1);
    340 }
    341 
    342 static void
    343 wi_pcmcia_attach(parent, self, aux)
    344 	struct device  *parent, *self;
    345 	void           *aux;
    346 {
    347 	struct wi_pcmcia_softc *psc = (void *)self;
    348 	struct wi_softc *sc = &psc->sc_wi;
    349 	const struct wi_pcmcia_product *pp;
    350 	struct pcmcia_attach_args *pa = aux;
    351 	struct pcmcia_config_entry *cfe;
    352 	char devinfo[256];
    353 
    354 	/* Print out what we are. */
    355 	pcmcia_devinfo(&pa->pf->sc->card, 0, devinfo, sizeof(devinfo));
    356 	printf(": %s\n", devinfo);
    357 
    358 	psc->sc_pf = pa->pf;
    359 
    360 	for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
    361 	     cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
    362 		if (cfe->iftype != PCMCIA_IFTYPE_IO)
    363 			continue;
    364 		if (cfe->iospace[0].length < WI_IOSIZE)
    365 			continue;
    366 		if (wi_pcmcia_find(psc, pa, cfe) == 0)
    367 			break;
    368 	}
    369 	if (cfe == NULL) {
    370 		printf(": no suitable CIS info found\n");
    371 		goto no_config_entry;
    372 	}
    373 
    374 	pp = wi_pcmcia_lookup(pa);
    375 	if (pp == NULL)
    376 		panic("wi_pcmcia_attach: impossible");
    377 
    378 	sc->sc_pci = 0;
    379 	sc->sc_enabled = 1;
    380 	sc->sc_enable = wi_pcmcia_enable;
    381 	sc->sc_disable = wi_pcmcia_disable;
    382 
    383 	/* establish the interrupt. */
    384 	sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, wi_intr, sc);
    385 	if (sc->sc_ih == NULL) {
    386 		printf("%s: couldn't establish interrupt\n",
    387 		        sc->sc_dev.dv_xname);
    388 		goto no_interrupt;
    389 	}
    390 
    391 	sc->sc_ifp = &sc->sc_ethercom.ec_if;
    392 	if (wi_attach(sc) != 0) {
    393 		printf("%s: failed to attach controller\n",
    394 		    sc->sc_dev.dv_xname);
    395 			goto attach_failed;
    396 	}
    397 
    398 	psc->sc_sdhook    = shutdownhook_establish(wi_pcmcia_shutdown, psc);
    399 	psc->sc_powerhook = powerhook_establish(wi_pcmcia_powerhook, psc);
    400 
    401 	/* disable the card */
    402 	sc->sc_enabled = 0;
    403 	wi_pcmcia_disable(sc);
    404 
    405 	return;
    406 
    407 attach_failed:
    408 	pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
    409 no_interrupt:
    410 	pcmcia_function_disable(psc->sc_pf);
    411 	pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
    412 	pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
    413 no_config_entry:
    414 	psc->sc_io_window = -1;
    415 }
    416 
    417 static int
    418 wi_pcmcia_detach(self, flags)
    419 	struct device *self;
    420 	int flags;
    421 {
    422 	struct wi_pcmcia_softc *psc = (struct wi_pcmcia_softc *)self;
    423 	int error;
    424 
    425 	if (psc->sc_io_window == -1)
    426 		/* Nothing to detach. */
    427 		return (0);
    428 
    429 	if (psc->sc_powerhook != NULL)
    430 		powerhook_disestablish(psc->sc_powerhook);
    431 	if (psc->sc_sdhook != NULL)
    432 		shutdownhook_disestablish(psc->sc_sdhook);
    433 
    434 	error = wi_detach(&psc->sc_wi);
    435 	if (error != 0)
    436 		return (error);
    437 
    438 	/* Unmap our i/o window. */
    439 	pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
    440 
    441 	/* Free our i/o space. */
    442 	pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
    443 	return (0);
    444 }
    445 
    446 static void
    447 wi_pcmcia_powerhook(why, arg)
    448 	int why;
    449 	void *arg;
    450 {
    451 	struct wi_pcmcia_softc *psc = arg;
    452 	struct wi_softc *sc = &psc->sc_wi;
    453 
    454 	wi_power(sc, why);
    455 }
    456 
    457 static void
    458 wi_pcmcia_shutdown(arg)
    459 	void *arg;
    460 {
    461 	struct wi_pcmcia_softc *psc = arg;
    462 	struct wi_softc *sc = &psc->sc_wi;
    463 
    464 	wi_shutdown(sc);
    465 }
    466