if_sm_pcmcia.c

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    1 /*      $NetBSD: if_sm_pcmcia.c,v 1.30 2002/10/02 16:52:15 thorpej Exp $        */
    2 
    3 /*-
    4  * Copyright (c) 1997, 1998, 2000 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 <sys/cdefs.h>
   41 __KERNEL_RCSID(0, "$NetBSD: if_sm_pcmcia.c,v 1.30 2002/10/02 16:52:15 thorpej Exp $");
   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 #include <machine/intr.h>
   59 #include <machine/bus.h>
   60 
   61 #include <dev/mii/mii.h>
   62 #include <dev/mii/miivar.h>
   63 
   64 #include <dev/ic/smc91cxxreg.h>
   65 #include <dev/ic/smc91cxxvar.h>
   66 
   67 #include <dev/pcmcia/pcmciareg.h>
   68 #include <dev/pcmcia/pcmciavar.h>
   69 #include <dev/pcmcia/pcmciadevs.h>
   70 
   71 int     sm_pcmcia_match __P((struct device *, struct cfdata *, void *));
   72 void    sm_pcmcia_attach __P((struct device *, struct device *, void *));
   73 int     sm_pcmcia_detach __P((struct device *, int));
   74 
   75 struct sm_pcmcia_softc {
   76         struct  smc91cxx_softc sc_smc;          /* real "smc" softc */
   77 
   78         /* PCMCIA-specific goo. */
   79         struct  pcmcia_io_handle sc_pcioh;      /* PCMCIA i/o space info */
   80         int     sc_io_window;                   /* our i/o window */
   81         void    *sc_ih;                         /* interrupt cookie */
   82         struct  pcmcia_function *sc_pf;         /* our PCMCIA function */
   83 };
   84 
   85 CFATTACH_DECL(sm_pcmcia, sizeof(struct sm_pcmcia_softc),
   86     sm_pcmcia_match, sm_pcmcia_attach, sm_pcmcia_detach, smc91cxx_activate);
   87 
   88 int     sm_pcmcia_enable __P((struct smc91cxx_softc *));
   89 void    sm_pcmcia_disable __P((struct smc91cxx_softc *));
   90 
   91 int     sm_pcmcia_ascii_enaddr __P((const char *, u_int8_t *));
   92 int     sm_pcmcia_funce_enaddr __P((struct device *, u_int8_t *));
   93 
   94 int     sm_pcmcia_lannid_ciscallback __P((struct pcmcia_tuple *, void *));
   95 
   96 const struct pcmcia_product sm_pcmcia_products[] = {
   97         { PCMCIA_STR_MEGAHERTZ2_XJACK,          PCMCIA_VENDOR_MEGAHERTZ2,
   98           PCMCIA_PRODUCT_MEGAHERTZ2_XJACK,       0, },
   99 
  100         { PCMCIA_STR_NEWMEDIA_BASICS,           PCMCIA_VENDOR_NEWMEDIA,
  101           PCMCIA_PRODUCT_NEWMEDIA_BASICS,       0, },
  102 
  103 #if 0
  104         { PCMCIA_STR_SMC_8020BT,                PCMCIA_VENDOR_SMC,
  105           PCMCIA_PRODUCT_SMC_8020BT,            0, },
  106 #endif
  107         { PCMCIA_STR_PSION_GOLDCARD,            PCMCIA_VENDOR_PSION,
  108           PCMCIA_PRODUCT_PSION_GOLDCARD,        0, },
  109 
  110         { NULL }
  111 };
  112 
  113 int
  114 sm_pcmcia_match(parent, match, aux)
  115         struct device *parent;
  116         struct cfdata *match;
  117         void *aux;
  118 {
  119         struct pcmcia_attach_args *pa = aux;
  120 
  121         if (pcmcia_product_lookup(pa, sm_pcmcia_products,
  122             sizeof sm_pcmcia_products[0], NULL) != NULL)
  123                 return (1);
  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 struct pcmcia_product *pp;
  138 
  139         psc->sc_pf = pa->pf;
  140         cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head);
  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                 goto enable_failed;
  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                 goto ioalloc_failed;
  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                 goto iomap_failed;
  169         }
  170 
  171         pp = pcmcia_product_lookup(pa, sm_pcmcia_products,
  172             sizeof sm_pcmcia_products[0], NULL);
  173         if (pp == NULL)
  174                 panic("sm_pcmcia_attach: impossible");
  175 
  176         printf(": %s\n", pp->pp_name);
  177 
  178         /*
  179          * First try to get the Ethernet address from FUNCE/LANNID tuple.
  180          */
  181         if (sm_pcmcia_funce_enaddr(parent, myla))
  182                 enaddr = myla;
  183 
  184         /*
  185          * If that failed, try one of the CIS info strings.
  186          */
  187         if (enaddr == NULL) {
  188                 char *cisstr = NULL;
  189 
  190                 switch (pa->manufacturer) {
  191                 case PCMCIA_VENDOR_MEGAHERTZ:
  192                 case PCMCIA_VENDOR_MEGAHERTZ2:
  193                         cisstr = pa->pf->sc->card.cis1_info[3];
  194                         break;
  195 
  196                 case PCMCIA_VENDOR_SMC:
  197                         cisstr = pa->pf->sc->card.cis1_info[2];
  198                         break;
  199                 }
  200 
  201                 if (cisstr != NULL && sm_pcmcia_ascii_enaddr(cisstr, myla))
  202                         enaddr = myla;
  203         }
  204 
  205         if (enaddr == NULL)
  206                 printf("%s: unable to get Ethernet address\n",
  207                     sc->sc_dev.dv_xname);
  208 
  209         /* Perform generic intialization. */
  210         smc91cxx_attach(sc, enaddr);
  211 
  212         pcmcia_function_disable(pa->pf);
  213         return;
  214 
  215  iomap_failed:
  216         /* Free our i/o space. */
  217         pcmcia_io_free(pa->pf, &psc->sc_pcioh);
  218 
  219  ioalloc_failed:
  220         /* Disable the device */
  221         pcmcia_function_disable(pa->pf);
  222 
  223  enable_failed:
  224         psc->sc_io_window = -1;
  225 }
  226 
  227 int
  228 sm_pcmcia_detach(self, flags)
  229         struct device *self;
  230         int flags;
  231 {
  232         struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
  233         int rv;
  234 
  235         if (psc->sc_io_window == -1)
  236                 /* Nothing to detach. */
  237                 return (0);
  238 
  239         rv = smc91cxx_detach((struct device *)&psc->sc_smc, flags);
  240         if (rv != 0)
  241                 return (rv);
  242 
  243         /* Unmap our i/o window. */
  244         pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
  245 
  246         /* Free our i/o space. */
  247         pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
  248         return (0);
  249 }
  250 
  251 int
  252 sm_pcmcia_ascii_enaddr(cisstr, myla)
  253         const char *cisstr;
  254         u_int8_t *myla;
  255 {
  256         u_int8_t digit;
  257         int i;
  258 
  259         memset(myla, 0, ETHER_ADDR_LEN);
  260 
  261         for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) {
  262                 if (cisstr[i] >= '' && cisstr[i] <= '9')
  263                         digit |= cisstr[i] - '';
  264                 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f')
  265                         digit |= (cisstr[i] - 'a') + 10;
  266                 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F')
  267                         digit |= (cisstr[i] - 'A') + 10;
  268                 else {
  269                         /* Bogus digit!! */
  270                         return (0);
  271                 }
  272 
  273                 /* Compensate for ordering of digits. */
  274                 if (i & 1) {
  275                         myla[i >> 1] = digit;
  276                         digit = 0;
  277                 } else
  278                         digit <<= 4;
  279         }
  280 
  281         return (1);
  282 }
  283 
  284 int
  285 sm_pcmcia_funce_enaddr(parent, myla)
  286         struct device *parent;
  287         u_int8_t *myla;
  288 {
  289 
  290         return (pcmcia_scan_cis(parent, sm_pcmcia_lannid_ciscallback, myla));
  291 }
  292 
  293 int
  294 sm_pcmcia_lannid_ciscallback(tuple, arg)
  295         struct pcmcia_tuple *tuple;
  296         void *arg;
  297 {
  298         u_int8_t *myla = arg;
  299         int i;
  300 
  301         if (tuple->code == PCMCIA_CISTPL_FUNCE
  302             || tuple->code == PCMCIA_CISTPL_SPCL) {
  303                 /* subcode, length */
  304                 if (tuple->length < 2)
  305                         return (0);
  306 
  307                 if ((pcmcia_tuple_read_1(tuple, 0) !=
  308                      PCMCIA_TPLFE_TYPE_LAN_NID) ||
  309                     (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN))
  310                         return (0);
  311 
  312                 for (i = 0; i < ETHER_ADDR_LEN; i++)
  313                         myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
  314                 return (1);
  315         }
  316         return (0);
  317 }
  318 
  319 int
  320 sm_pcmcia_enable(sc)
  321         struct smc91cxx_softc *sc;
  322 {
  323         struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
  324         int rv;
  325 
  326         rv = pcmcia_function_enable(psc->sc_pf);
  327         if (rv != 0)
  328                 return (rv);
  329 
  330         /* Establish the interrupt handler. */
  331         psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr,
  332             sc);
  333         if (psc->sc_ih == NULL) {
  334                 printf("%s: couldn't establish interrupt handler\n",
  335                     sc->sc_dev.dv_xname);
  336                 return (1);
  337         }
  338         return (0);
  339 }
  340 
  341 void
  342 sm_pcmcia_disable(sc)
  343         struct smc91cxx_softc *sc;
  344 {
  345         struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
  346 
  347         pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
  348         pcmcia_function_disable(psc->sc_pf);
  349 }
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FreeBSD/Linux Kernel Cross Reference sys/dev/pcmcia/if_sm_pcmcia.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/pcmcia/if_sm_pcmcia.c
