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if_sm_pcmcia.c revision 1.6
      1 /*	$NetBSD: if_sm_pcmcia.c,v 1.6 1998/07/19 17:28:16 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9  * NASA Ames Research Center.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by the NetBSD
     22  *	Foundation, Inc. and its contributors.
     23  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  *    contributors may be used to endorse or promote products derived
     25  *    from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 #include "opt_inet.h"
     41 #include "opt_ns.h"
     42 #include "bpfilter.h"
     43 
     44 #include <sys/param.h>
     45 #include <sys/systm.h>
     46 #include <sys/mbuf.h>
     47 #include <sys/socket.h>
     48 #include <sys/ioctl.h>
     49 #include <sys/errno.h>
     50 #include <sys/syslog.h>
     51 #include <sys/select.h>
     52 #include <sys/device.h>
     53 
     54 #include <net/if.h>
     55 #include <net/if_dl.h>
     56 #include <net/if_ether.h>
     57 #include <net/if_media.h>
     58 
     59 #ifdef INET
     60 #include <netinet/in.h>
     61 #include <netinet/in_systm.h>
     62 #include <netinet/in_var.h>
     63 #include <netinet/ip.h>
     64 #include <netinet/if_inarp.h>
     65 #endif
     66 
     67 #ifdef NS
     68 #include <netns/ns.h>
     69 #include <netns/ns_if.h>
     70 #endif
     71 
     72 #if NBPFILTER > 0
     73 #include <net/bpf.h>
     74 #include <net/bpfdesc.h>
     75 #endif
     76 
     77 #include <machine/intr.h>
     78 #include <machine/bus.h>
     79 
     80 #include <dev/ic/smc91cxxreg.h>
     81 #include <dev/ic/smc91cxxvar.h>
     82 
     83 #include <dev/pcmcia/pcmciareg.h>
     84 #include <dev/pcmcia/pcmciavar.h>
     85 #include <dev/pcmcia/pcmciadevs.h>
     86 
     87 int	sm_pcmcia_match __P((struct device *, struct cfdata *, void *));
     88 void	sm_pcmcia_attach __P((struct device *, struct device *, void *));
     89 
     90 struct sm_pcmcia_softc {
     91 	struct	smc91cxx_softc sc_smc;		/* real "smc" softc */
     92 
     93 	/* PCMCIA-specific goo. */
     94 	struct	pcmcia_io_handle sc_pcioh;	/* PCMCIA i/o space info */
     95 	int	sc_io_window;			/* our i/o window */
     96 	void	*sc_ih;				/* interrupt cookie */
     97 	struct	pcmcia_function *sc_pf;		/* our PCMCIA function */
     98 };
     99 
    100 struct cfattach sm_pcmcia_ca = {
    101 	sizeof(struct sm_pcmcia_softc), sm_pcmcia_match, sm_pcmcia_attach
    102 };
    103 
    104 int	sm_pcmcia_enable __P((struct smc91cxx_softc *));
    105 void	sm_pcmcia_disable __P((struct smc91cxx_softc *));
    106 
    107 int
    108 sm_pcmcia_match(parent, match, aux)
    109 	struct device *parent;
    110 	struct cfdata *match;
    111 	void *aux;
    112 {
    113 	struct pcmcia_attach_args *pa = aux;
    114 
    115 	if (pa->manufacturer == PCMCIA_VENDOR_MEGAHERTZ2) {
    116 		switch (pa->product) {
    117 		case PCMCIA_PRODUCT_MEGAHERTZ2_XJACK:
    118 			if (pa->pf->number == 0)
    119 				return (1);
    120 		}
    121 	}
    122 
    123 	return (0);
    124 }
    125 
    126 void
    127 sm_pcmcia_attach(parent, self, aux)
    128 	struct device *parent, *self;
    129 	void *aux;
    130 {
    131 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
    132 	struct smc91cxx_softc *sc = &psc->sc_smc;
    133 	struct pcmcia_attach_args *pa = aux;
    134 	struct pcmcia_config_entry *cfe;
    135 	u_int8_t myla[ETHER_ADDR_LEN], *enaddr = NULL;
    136 	const char *model;
    137 
    138 	psc->sc_pf = pa->pf;
    139 	cfe = pa->pf->cfe_head.sqh_first;
    140 
    141 	/* Enable the card. */
    142 	pcmcia_function_init(pa->pf, cfe);
    143 	if (pcmcia_function_enable(pa->pf)) {
    144 		printf(": function enable failed\n");
    145 		return;
    146 	}
    147 
    148 	/* XXX sanity check number of mem and i/o spaces */
    149 
    150 	/* Allocate and map i/o space for the card. */
    151 	if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
    152 	    cfe->iospace[0].length, &psc->sc_pcioh)) {
    153 		printf(": can't allocate i/o space\n");
    154 		return;
    155 	}
    156 
    157 	sc->sc_bst = psc->sc_pcioh.iot;
    158 	sc->sc_bsh = psc->sc_pcioh.ioh;
    159 
    160 	sc->sc_enable = sm_pcmcia_enable;
    161 	sc->sc_disable = sm_pcmcia_disable;
    162 
    163 	if (pcmcia_io_map(pa->pf, (cfe->flags & PCMCIA_CFE_IO16) ?
    164 	    PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8, 0, cfe->iospace[0].length,
    165 	    &psc->sc_pcioh, &psc->sc_io_window)) {
    166 		printf(": can't map i/o space\n");
    167 		return;
    168 	}
    169 
    170 	switch (pa->product) {
    171 	case PCMCIA_PRODUCT_MEGAHERTZ2_XJACK:
    172 		model = PCMCIA_STR_MEGAHERTZ2_XJACK;
    173 		break;
    174 
    175 	default:
    176 		model = "Unknown SMC91Cxx Ethernet";
    177 	}
    178 	printf(": %s\n", model);
    179 
    180 	if (pa->product == PCMCIA_PRODUCT_MEGAHERTZ2_XJACK) {
    181 		char enaddr_str[12];
    182 		int i = 0, j;
    183 
    184 		/*
    185 		 * The X-JACK's Ethernet address is stored in the fourth
    186 		 * CIS info string.  We need to parse it and pass it to
    187 		 * the generic layer.
    188 		 */
    189 		if (strlen(pa->pf->sc->card.cis1_info[3]) != 12) {
    190 			/* Bogus address! */
    191 			goto out;
    192 		}
    193 		bcopy(pa->pf->sc->card.cis1_info[3], enaddr_str, 12);
    194 		bzero(myla, sizeof(myla));
    195 		for (i = 0; i < 6; i++) {
    196 			for (j = 0; j < 2; j++) {
    197 				/* Convert to upper case. */
    198 				if (enaddr_str[(i * 2) + j] >= 'a' &&
    199 				    enaddr_str[(i * 2) + j] <= 'z')
    200 					enaddr_str[(i * 2) + j] -= 'a' - 'A';
    201 
    202 				/* Parse the digit. */
    203 				if (enaddr_str[(i * 2) + j] >= '0' &&
    204 				    enaddr_str[(i * 2) + j] <= '9')
    205 					myla[i] |= enaddr_str[(i * 2) + j]
    206 					    - '0';
    207 				else if (enaddr_str[(i * 2) + j] >= 'A' &&
    208 					 enaddr_str[(i * 2) + j] <= 'F')
    209 					myla[i] |= enaddr_str[(i * 2) + j]
    210 					    - 'A' + 10;
    211 				else {
    212 					/* Bogus digit!! */
    213 					goto out;
    214 				}
    215 
    216 				/* Compensate for ordering of digits. */
    217 				if (j == 0)
    218 					myla[i] <<= 4;
    219 			}
    220 		}
    221 
    222  out:
    223 		if (i >= 6) {
    224 			/* Successfully parsed. */
    225 			enaddr = myla;
    226 		} else {
    227 			printf("%s: unable to read MAC address from CIS\n",
    228 			    sc->sc_dev.dv_xname);
    229 		}
    230 	}
    231 
    232 	/* Perform generic intialization. */
    233 	smc91cxx_attach(sc, enaddr);
    234 
    235 	pcmcia_function_disable(pa->pf);
    236 }
    237 
    238 int
    239 sm_pcmcia_enable(sc)
    240 	struct smc91cxx_softc *sc;
    241 {
    242 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
    243 
    244 	/* Establish the interrupt handler. */
    245 	psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr,
    246 	    sc);
    247 	if (psc->sc_ih == NULL) {
    248 		printf("%s: couldn't establish interrupt handler\n",
    249 		    sc->sc_dev.dv_xname);
    250 		return (1);
    251 	}
    252 
    253 	return (pcmcia_function_enable(psc->sc_pf));
    254 }
    255 
    256 void
    257 sm_pcmcia_disable(sc)
    258 	struct smc91cxx_softc *sc;
    259 {
    260 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
    261 
    262 	pcmcia_function_disable(psc->sc_pf);
    263 
    264 	pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
    265 }
    266