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if_mbe_pcmcia.c revision 1.10
      1 /*	$NetBSD: if_mbe_pcmcia.c,v 1.10 1999/11/18 14:25:28 enami Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Enami Tsugutomo.
      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 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/device.h>
     42 #include <sys/socket.h>
     43 
     44 #include <net/if.h>
     45 #include <net/if_ether.h>
     46 #include <net/if_media.h>
     47 
     48 #include <machine/intr.h>
     49 #include <machine/bus.h>
     50 
     51 #include <dev/ic/mb86960reg.h>
     52 #include <dev/ic/mb86960var.h>
     53 
     54 #include <dev/pcmcia/pcmciareg.h>
     55 #include <dev/pcmcia/pcmciavar.h>
     56 #include <dev/pcmcia/pcmciadevs.h>
     57 
     58 int	mbe_pcmcia_match __P((struct device *, struct cfdata *, void *));
     59 void	mbe_pcmcia_attach __P((struct device *, struct device *, void *));
     60 int	mbe_pcmcia_detach __P((struct device *, int));
     61 
     62 struct mbe_pcmcia_softc {
     63 	struct	mb86960_softc sc_mb86960;	/* real "mb" softc */
     64 
     65 	/* PCMCIA-specific goo. */
     66 	struct	pcmcia_io_handle sc_pcioh;	/* PCMCIA i/o space info */
     67 	int	sc_io_window;			/* our i/o window */
     68 	void	*sc_ih;				/* interrupt cookie */
     69 	struct	pcmcia_function *sc_pf;		/* our PCMCIA function */
     70 };
     71 
     72 struct cfattach mbe_pcmcia_ca = {
     73 	sizeof(struct mbe_pcmcia_softc), mbe_pcmcia_match, mbe_pcmcia_attach,
     74 	    mbe_pcmcia_detach, mb86960_activate
     75 };
     76 
     77 #if NetBSD <= 199712
     78 struct cfdriver mbe_cd = {			/* XXX shouldn't be here */
     79 	NULL, "mbe", DV_IFNET
     80 };
     81 #endif
     82 
     83 int	mbe_pcmcia_enable __P((struct mb86960_softc *));
     84 void	mbe_pcmcia_disable __P((struct mb86960_softc *));
     85 
     86 struct mbe_pcmcia_get_enaddr_args {
     87 	u_int8_t enaddr[ETHER_ADDR_LEN];
     88 };
     89 int	mbe_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *));
     90 
     91 struct mbe_pcmcia_product {
     92 	u_int32_t	mpp_vendor;	/* vendor ID */
     93 	u_int32_t	mpp_product;	/* product ID */
     94 	int		mpp_expfunc;	/* exptected function */
     95 	u_int32_t	mpp_ioalign;	/* required alignment */
     96 	const char	*mpp_name;	/* product name */
     97 } mbe_pcmcia_products[] = {
     98 	{ PCMCIA_VENDOR_TDK,		PCMCIA_PRODUCT_TDK_LAK_CD021BX,
     99 	  0,				0,
    100 	  PCMCIA_STR_TDK_LAK_CD021BX },
    101 #if 0 /* XXX 86960-based? */
    102 	{ PCMCIA_VENDOR_TDK,		PCMCIA_PRODUCT_TDK_LAK_DFL9610,
    103 	  1,				0,
    104 	  PCMCIA_STR_TDK_LAK_DFL9610 }
    105 #endif
    106 
    107 	{ PCMCIA_VENDOR_CONTEC,		PCMCIA_PRODUCT_CONTEC_CNETPC,
    108 	  0,				0,
    109 	  PCMCIA_STR_CONTEC_CNETPC },
    110 
    111 	{ PCMCIA_VENDOR_FUJITSU,	PCMCIA_PRODUCT_FUJITSU_LA501,
    112 	  0,				0x20,
    113 	  PCMCIA_STR_FUJITSU_LA501 },
    114 
    115 	{ PCMCIA_VENDOR_FUJITSU,	PCMCIA_PRODUCT_FUJITSU_LA10S,
    116 	  0,				0,
    117 	  PCMCIA_STR_FUJITSU_LA10S },
    118 
    119 	{ 0,				0,
    120 	  0,				0,
    121 	  NULL },
    122 };
    123 
    124 const struct mbe_pcmcia_product *mbe_pcmcia_lookup
    125     __P((const struct pcmcia_attach_args *pa));
    126 
    127 const struct mbe_pcmcia_product *
    128 mbe_pcmcia_lookup(pa)
    129 	const struct pcmcia_attach_args *pa;
    130 {
    131 	const struct mbe_pcmcia_product *mpp;
    132 
    133 	for (mpp = mbe_pcmcia_products; mpp->mpp_name != NULL; mpp++) {
    134 		if (pa->manufacturer == mpp->mpp_vendor &&
    135 		    pa->product == mpp->mpp_product &&
    136 		    pa->pf->number == mpp->mpp_expfunc)
    137 			return (mpp);
    138 	}
    139 	return (NULL);
    140 }
    141 
    142 int
    143 mbe_pcmcia_match(parent, match, aux)
    144 	struct device *parent;
    145 	struct cfdata *match;
    146 	void *aux;
    147 {
    148 	struct pcmcia_attach_args *pa = aux;
    149 
    150 	if (mbe_pcmcia_lookup(pa) != NULL)
    151 		return (1);
    152 
    153 	return (0);
    154 }
    155 
    156 void
    157 mbe_pcmcia_attach(parent, self, aux)
    158 	struct device *parent, *self;
    159 	void *aux;
    160 {
    161 	struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)self;
    162 	struct mb86960_softc *sc = &psc->sc_mb86960;
    163 	struct pcmcia_attach_args *pa = aux;
    164 	struct pcmcia_config_entry *cfe;
    165 	struct mbe_pcmcia_get_enaddr_args pgea;
    166 	const struct mbe_pcmcia_product *mpp;
    167 	int rv;
    168 
    169 	mpp = mbe_pcmcia_lookup(pa);
    170 	if (mpp == NULL) {
    171 		printf("\n");
    172 		panic("mbe_pcmcia_attach: impossible");
    173 	}
    174 
    175 	psc->sc_pf = pa->pf;
    176 	cfe = pa->pf->cfe_head.sqh_first;
    177 
    178 	/* Enable the card. */
    179 	pcmcia_function_init(pa->pf, cfe);
    180 	if (pcmcia_function_enable(pa->pf)) {
    181 		printf(": function enable failed\n");
    182 		return;
    183 	}
    184 
    185 	/* Allocate and map i/o space for the card. */
    186 	if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
    187 	    cfe->iospace[0].length,
    188 	    mpp->mpp_ioalign ? mpp->mpp_ioalign : cfe->iospace[0].length,
    189 	    &psc->sc_pcioh)) {
    190 		printf(": can't allocate i/o space\n");
    191 		return;
    192 	}
    193 
    194 	sc->sc_bst = psc->sc_pcioh.iot;
    195 	sc->sc_bsh = psc->sc_pcioh.ioh;
    196 
    197 	sc->sc_enable = mbe_pcmcia_enable;
    198 	sc->sc_disable = mbe_pcmcia_disable;
    199 
    200 	/*
    201 	 * Don't bother checking flags; the back-end sets the chip
    202 	 * into 16-bit mode.
    203 	 */
    204 	if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_IO16, 0, cfe->iospace[0].length,
    205 	    &psc->sc_pcioh, &psc->sc_io_window)) {
    206 		printf(": can't map i/o space\n");
    207 		return;
    208 	}
    209 
    210 	printf(": %s\n", mpp->mpp_name);
    211 
    212 	/* Read station address from CIS. */
    213 	rv = pcmcia_scan_cis(parent, mbe_pcmcia_get_enaddr, &pgea);
    214 	if (rv == -1) {
    215 		printf("%s: Couldn't read CIS to get ethernet address\n",
    216 		    sc->sc_dev.dv_xname);
    217 		return;
    218 	} else if (rv == 0) {
    219 		printf("%s: Couldn't get ethernet address from CIS\n",
    220 		    sc->sc_dev.dv_xname);
    221 		return;
    222 	}
    223 
    224 #ifdef DIAGNOSTIC
    225 	if (rv != 1) {
    226 		printf("%s: pcmcia_scan_cis returns %d\n", sc->sc_dev.dv_xname,
    227 		    rv);
    228 		panic("mbe_pcmcia_attach");
    229 	}
    230 	printf("%s: Ethernet address from CIS: %s\n",
    231 	    sc->sc_dev.dv_xname, ether_sprintf(pgea.enaddr));
    232 #endif
    233 
    234 	/* Perform generic initialization. */
    235 	mb86960_attach(sc, MB86960_TYPE_86965, pgea.enaddr);
    236 
    237 	mb86960_config(sc, NULL, 0, 0);
    238 
    239 	pcmcia_function_disable(pa->pf);
    240 }
    241 
    242 int
    243 mbe_pcmcia_detach(self, flags)
    244 	struct device *self;
    245 	int flags;
    246 {
    247 	struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)self;
    248 
    249 	/* Unmap our i/o window. */
    250 	pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
    251 
    252 	/* Free our i/o space. */
    253 	pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
    254 
    255 #ifdef notyet
    256 	/*
    257 	 * Our softc is about to go away, so drop our reference
    258 	 * to the ifnet.
    259 	 */
    260 	if_delref(psc->sc_mb86960.sc_ec.ec_if);
    261 	return (0);
    262 #else
    263 	return (EBUSY);
    264 #endif
    265 }
    266 
    267 int
    268 mbe_pcmcia_enable(sc)
    269 	struct mb86960_softc *sc;
    270 {
    271 	struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
    272 
    273 	/* Establish the interrupt handler. */
    274 	psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, mb86960_intr,
    275 	    sc);
    276 	if (psc->sc_ih == NULL) {
    277 		printf("%s: couldn't establish interrupt handler\n",
    278 		    sc->sc_dev.dv_xname);
    279 		return (1);
    280 	}
    281 
    282 	return (pcmcia_function_enable(psc->sc_pf));
    283 }
    284 
    285 void
    286 mbe_pcmcia_disable(sc)
    287 	struct mb86960_softc *sc;
    288 {
    289 	struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
    290 
    291 	pcmcia_function_disable(psc->sc_pf);
    292 
    293 	pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
    294 }
    295 
    296 int
    297 mbe_pcmcia_get_enaddr(tuple, arg)
    298 	struct pcmcia_tuple *tuple;
    299 	void *arg;
    300 {
    301 	struct mbe_pcmcia_get_enaddr_args *p = arg;
    302 	int i;
    303 
    304 	if (tuple->code == PCMCIA_CISTPL_FUNCE) {
    305 		if (tuple->length < 2) /* sub code and ether addr length */
    306 			return (0);
    307 
    308 		if ((pcmcia_tuple_read_1(tuple, 0) !=
    309 			PCMCIA_TPLFE_TYPE_LAN_NID) ||
    310 		    (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN))
    311 			return (0);
    312 
    313 		for (i = 0; i < ETHER_ADDR_LEN; i++)
    314 			p->enaddr[i] = pcmcia_tuple_read_1(tuple, i + 2);
    315 		return (1);
    316 	}
    317 	return (0);
    318 }
    319