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if_sm_pcmcia.c revision 1.4
      1 /*	$NetBSD: if_sm_pcmcia.c,v 1.4 1998/07/05 00:51:24 jonathan 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 "bpfilter.h"
     42 
     43 #include <sys/param.h>
     44 #include <sys/systm.h>
     45 #include <sys/mbuf.h>
     46 #include <sys/socket.h>
     47 #include <sys/ioctl.h>
     48 #include <sys/errno.h>
     49 #include <sys/syslog.h>
     50 #include <sys/select.h>
     51 #include <sys/device.h>
     52 
     53 #include <net/if.h>
     54 #include <net/if_dl.h>
     55 #include <net/if_ether.h>
     56 #include <net/if_media.h>
     57 
     58 #ifdef INET
     59 #include <netinet/in.h>
     60 #include <netinet/in_systm.h>
     61 #include <netinet/in_var.h>
     62 #include <netinet/ip.h>
     63 #include <netinet/if_inarp.h>
     64 #endif
     65 
     66 #ifdef NS
     67 #include <netns/ns.h>
     68 #include <netns/ns_if.h>
     69 #endif
     70 
     71 #if NBPFILTER > 0
     72 #include <net/bpf.h>
     73 #include <net/bpfdesc.h>
     74 #endif
     75 
     76 #include <machine/intr.h>
     77 #include <machine/bus.h>
     78 
     79 #include <dev/ic/smc91cxxreg.h>
     80 #include <dev/ic/smc91cxxvar.h>
     81 
     82 #include <dev/pcmcia/pcmciareg.h>
     83 #include <dev/pcmcia/pcmciavar.h>
     84 
     85 #define	PCMCIA_MANUFACTURER_MEGAHERTZ	0x128
     86 #define	PCMCIA_PRODUCT_MEGAHERTZ_XJACK	0x103
     87 
     88 int	sm_pcmcia_match __P((struct device *, struct cfdata *, void *));
     89 void	sm_pcmcia_attach __P((struct device *, struct device *, void *));
     90 
     91 struct sm_pcmcia_softc {
     92 	struct	smc91cxx_softc sc_smc;		/* real "smc" softc */
     93 
     94 	/* PCMCIA-specific goo. */
     95 	struct	pcmcia_io_handle sc_pcioh;	/* PCMCIA i/o space info */
     96 	int	sc_io_window;			/* our i/o window */
     97 	void	*sc_ih;				/* interrupt cookie */
     98 	struct	pcmcia_function *sc_pf;		/* our PCMCIA function */
     99 };
    100 
    101 struct cfattach sm_pcmcia_ca = {
    102 	sizeof(struct sm_pcmcia_softc), sm_pcmcia_match, sm_pcmcia_attach
    103 };
    104 
    105 int	sm_pcmcia_enable __P((struct smc91cxx_softc *));
    106 void	sm_pcmcia_disable __P((struct smc91cxx_softc *));
    107 
    108 int
    109 sm_pcmcia_match(parent, match, aux)
    110 	struct device *parent;
    111 	struct cfdata *match;
    112 	void *aux;
    113 {
    114 	struct pcmcia_attach_args *pa = aux;
    115 
    116 	if (pa->manufacturer == PCMCIA_MANUFACTURER_MEGAHERTZ) {
    117 		switch (pa->product) {
    118 		case PCMCIA_PRODUCT_MEGAHERTZ_XJACK:
    119 			if (pa->pf->number == 0)
    120 				return (1);
    121 		}
    122 	}
    123 
    124 	return (0);
    125 }
    126 
    127 void
    128 sm_pcmcia_attach(parent, self, aux)
    129 	struct device *parent, *self;
    130 	void *aux;
    131 {
    132 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
    133 	struct smc91cxx_softc *sc = &psc->sc_smc;
    134 	struct pcmcia_attach_args *pa = aux;
    135 	struct pcmcia_config_entry *cfe;
    136 	u_int8_t myla[ETHER_ADDR_LEN], *enaddr = NULL;
    137 	const char *model;
    138 
    139 	psc->sc_pf = pa->pf;
    140 	cfe = pa->pf->cfe_head.sqh_first;
    141 
    142 	/* Enable the card. */
    143 	pcmcia_function_init(pa->pf, cfe);
    144 	if (pcmcia_function_enable(pa->pf)) {
    145 		printf(": function enable failed\n");
    146 		return;
    147 	}
    148 
    149 	/* XXX sanity check number of mem and i/o spaces */
    150 
    151 	/* Allocate and map i/o space for the card. */
    152 	if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
    153 	    cfe->iospace[0].length, &psc->sc_pcioh)) {
    154 		printf(": can't allocate i/o space\n");
    155 		return;
    156 	}
    157 
    158 	sc->sc_bst = psc->sc_pcioh.iot;
    159 	sc->sc_bsh = psc->sc_pcioh.ioh;
    160 
    161 	sc->sc_enable = sm_pcmcia_enable;
    162 	sc->sc_disable = sm_pcmcia_disable;
    163 
    164 	if (pcmcia_io_map(pa->pf, (cfe->flags & PCMCIA_CFE_IO16) ?
    165 	    PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8, 0, cfe->iospace[0].length,
    166 	    &psc->sc_pcioh, &psc->sc_io_window)) {
    167 		printf(": can't map i/o space\n");
    168 		return;
    169 	}
    170 
    171 	switch (pa->product) {
    172 	case PCMCIA_PRODUCT_MEGAHERTZ_XJACK:
    173 		model = "Megahertz X-JACK Ethernet";
    174 		break;
    175 
    176 	default:
    177 		model = "Unknown SMC91Cxx Ethernet";
    178 	}
    179 	printf(": %s\n", model);
    180 
    181 	if (pa->product == PCMCIA_PRODUCT_MEGAHERTZ_XJACK) {
    182 		char enaddr_str[12];
    183 		int i = 0, j;
    184 
    185 		/*
    186 		 * The X-JACK's Ethernet address is stored in the fourth
    187 		 * CIS info string.  We need to parse it and pass it to
    188 		 * the generic layer.
    189 		 */
    190 		if (strlen(pa->pf->sc->card.cis1_info[3]) != 12) {
    191 			/* Bogus address! */
    192 			goto out;
    193 		}
    194 		bcopy(pa->pf->sc->card.cis1_info[3], enaddr_str, 12);
    195 		bzero(myla, sizeof(myla));
    196 		for (i = 0; i < 6; i++) {
    197 			for (j = 0; j < 2; j++) {
    198 				/* Convert to upper case. */
    199 				if (enaddr_str[(i * 2) + j] >= 'a' &&
    200 				    enaddr_str[(i * 2) + j] <= 'z')
    201 					enaddr_str[(i * 2) + j] -= 'a' - 'A';
    202 
    203 				/* Parse the digit. */
    204 				if (enaddr_str[(i * 2) + j] >= '0' &&
    205 				    enaddr_str[(i * 2) + j] <= '9')
    206 					myla[i] |= enaddr_str[(i * 2) + j]
    207 					    - '0';
    208 				else if (enaddr_str[(i * 2) + j] >= 'A' &&
    209 					 enaddr_str[(i * 2) + j] <= 'F')
    210 					myla[i] |= enaddr_str[(i * 2) + j]
    211 					    - 'A' + 10;
    212 				else {
    213 					/* Bogus digit!! */
    214 					goto out;
    215 				}
    216 
    217 				/* Compensate for ordering of digits. */
    218 				if (j == 0)
    219 					myla[i] <<= 4;
    220 			}
    221 		}
    222 
    223  out:
    224 		if (i >= 6) {
    225 			/* Successfully parsed. */
    226 			enaddr = myla;
    227 		} else {
    228 			printf("%s: unable to read MAC address from CIS\n",
    229 			    sc->sc_dev.dv_xname);
    230 		}
    231 	}
    232 
    233 	/* Perform generic intialization. */
    234 	smc91cxx_attach(sc, enaddr);
    235 
    236 	pcmcia_function_disable(pa->pf);
    237 }
    238 
    239 int
    240 sm_pcmcia_enable(sc)
    241 	struct smc91cxx_softc *sc;
    242 {
    243 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
    244 
    245 	/* Establish the interrupt handler. */
    246 	psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr,
    247 	    sc);
    248 	if (psc->sc_ih == NULL) {
    249 		printf("%s: couldn't establish interrupt handler\n",
    250 		    sc->sc_dev.dv_xname);
    251 		return (1);
    252 	}
    253 
    254 	return (pcmcia_function_enable(psc->sc_pf));
    255 }
    256 
    257 void
    258 sm_pcmcia_disable(sc)
    259 	struct smc91cxx_softc *sc;
    260 {
    261 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
    262 
    263 	pcmcia_function_disable(psc->sc_pf);
    264 
    265 	pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
    266 }
    267