The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ex/if_ex_pccard.c

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    1 /*-
    2  * Copyright (c) 2000 Mitsuru IWASAKI
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  */
   27 
   28 #include <sys/cdefs.h>
   29 __FBSDID("$FreeBSD: releng/5.3/sys/dev/ex/if_ex_pccard.c 131192 2004-06-27 13:10:20Z imp $");
   30 
   31 #include <sys/param.h>
   32 #include <sys/systm.h>
   33 #include <sys/kernel.h>
   34 #include <sys/socket.h>
   35 
   36 #include <sys/module.h>
   37 #include <sys/bus.h>
   38 
   39 #include <machine/bus.h>
   40 #include <machine/resource.h>
   41 #include <sys/rman.h>
   42 
   43 #include <net/if.h>
   44 #include <net/if_arp.h>
   45 #include <net/if_media.h> 
   46 
   47 #include <dev/ex/if_exreg.h>
   48 #include <dev/ex/if_exvar.h>
   49 
   50 #include <dev/pccard/pccardvar.h>
   51 
   52 #include "pccarddevs.h"
   53 
   54 static const struct pccard_product ex_pccard_products[] = {
   55         PCMCIA_CARD(OLICOM, OC2220, 0),
   56         PCMCIA_CARD(INTEL, ETHEREXPPRO, 0),
   57         { NULL }
   58 };
   59 
   60 /* Bus Front End Functions */
   61 static int      ex_pccard_match(device_t);
   62 static int      ex_pccard_probe(device_t);
   63 static int      ex_pccard_attach(device_t);
   64 
   65 static device_method_t ex_pccard_methods[] = {
   66         /* Device interface */
   67         DEVMETHOD(device_probe,         pccard_compat_probe),
   68         DEVMETHOD(device_attach,        pccard_compat_attach),
   69         DEVMETHOD(device_detach,        ex_detach),
   70 
   71         /* Card interface */
   72         DEVMETHOD(card_compat_match,    ex_pccard_match),
   73         DEVMETHOD(card_compat_probe,    ex_pccard_probe),
   74         DEVMETHOD(card_compat_attach,   ex_pccard_attach),
   75 
   76         { 0, 0 }
   77 };
   78 
   79 static driver_t ex_pccard_driver = {
   80         "ex",
   81         ex_pccard_methods,
   82         sizeof(struct ex_softc),
   83 };
   84 
   85 DRIVER_MODULE(ex, pccard, ex_pccard_driver, ex_devclass, 0, 0);
   86 
   87 static int
   88 ex_pccard_match(device_t dev)
   89 {
   90         const struct pccard_product *pp;
   91 
   92         if ((pp = pccard_product_lookup(dev, ex_pccard_products,
   93             sizeof(ex_pccard_products[0]), NULL)) != NULL) {
   94                 if (pp->pp_name != NULL)
   95                         device_set_desc(dev, pp->pp_name);
   96                 return 0;
   97         }
   98         return EIO;
   99 }
  100 
  101 static int
  102 ex_pccard_probe(device_t dev)
  103 {
  104         u_int           iobase;
  105         u_int           irq;
  106 
  107         iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
  108         if (!iobase) {
  109                 printf("ex: no iobase?\n");
  110                 return(ENXIO);
  111         }
  112 
  113         if (bootverbose)
  114                 printf("ex: ex_pccard_probe() found card at 0x%03x\n", iobase);
  115 
  116         irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
  117 
  118         if (irq == 0) {
  119                 printf("ex: invalid IRQ.\n");
  120                 return(ENXIO);
  121         }
  122 
  123         return(0);
  124 }
  125 
  126 static int
  127 ex_pccard_enet_ok(u_char *enaddr)
  128 {
  129         int                     i;
  130         u_char                  sum;
  131 
  132         if (enaddr[0] == 0xff)
  133                 return (0);
  134         for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
  135                 sum |= enaddr[i];
  136         return (sum != 0);
  137 }
  138 
  139 #if 0
  140 #ifdef NETBSD_LIKE
  141 static int
  142 ex_pccard_silicom_cb(struct pccard_tuple *tuple, void *arg)
  143 {
  144         u_char *enaddr = arg;
  145 
  146         if (tuple->code != PCMCIA_CISTPL_FUNCE)
  147                 return (0);
  148         if (tuple->length != 15)
  149                 return (0);
  150         if (CARD_CIS_READ_1(tuple->dev, tuple, 6) != 6)
  151                 return (0);
  152         for (i = 0; i < 6; i++)
  153                 enaddr[i] = CARD_CIS_READ_1(tuple->dev, tuple, 7 + i);
  154         return (1);
  155 }
  156 #endif
  157 #endif
  158 
  159 static void
  160 ex_pccard_get_silicom_mac(device_t dev, u_char *ether_addr)
  161 {
  162 #if 0
  163 #ifdef  NETBSD_LIKE
  164         CARD_CIS_SCAN(dev, ex_pccard_silicom_cb, ether_addr);
  165 #endif
  166 #ifdef  CS_LIKE
  167         uint8_t buffer[64];
  168         tuple_t tuple;
  169         int i;
  170         
  171         tuple.TupleData = buffer;
  172         tuple.TupleDataMax = sizeof(buffer);
  173         tuple.TupleOffset = 0;
  174         tuple.DesiredTuple = CISTPL_FUNCE;
  175         tuple.Attributes = TUPLE_RETURN_COMMON;
  176         if (CARD_SERVICE(dev, GetFirstTuple, &tuple) != CS_SUCCESS)
  177                 return;
  178         if (CARD_SERVICES(dev, GetTupleData, &tuple) != CS_SUCCESS)
  179                 return;
  180         if (tuple.TupleLength != 15)
  181                 return;
  182         if (buffer[6] != 6)
  183                 return;
  184         for (i = 0; i < 6; i++)
  185                 ether_addr[i] = buffer[7 + i);
  186 #endif
  187 #endif
  188 }
  189 
  190 static int
  191 ex_pccard_attach(device_t dev)
  192 {
  193         struct ex_softc *       sc = device_get_softc(dev);
  194         int                     error = 0;
  195         u_char                  ether_addr[ETHER_ADDR_LEN];
  196 
  197         sc->dev = dev;
  198         sc->ioport_rid = 0;
  199         sc->irq_rid = 0;
  200 
  201         if ((error = ex_alloc_resources(dev)) != 0) {
  202                 device_printf(dev, "ex_alloc_resources() failed!\n");
  203                 goto bad;
  204         }
  205 
  206         /*
  207          * Fill in several fields of the softc structure:
  208          *      - Hardware Ethernet address.
  209          *      - IRQ number.
  210          */
  211         sc->irq_no = rman_get_start(sc->irq);
  212 
  213         /* Try to get the ethernet address from the chip, then the CIS */
  214         ex_get_address(sc, ether_addr);
  215         if (!ex_pccard_enet_ok(ether_addr))
  216                 pccard_get_ether(dev, ether_addr);
  217         if (!ex_pccard_enet_ok(ether_addr))
  218                 ex_pccard_get_silicom_mac(dev, ether_addr);
  219         if (!ex_pccard_enet_ok(ether_addr)) {
  220                 device_printf(dev, "No NIC address found.\n");
  221                 error = ENXIO;
  222                 goto bad;
  223         }
  224         bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
  225 
  226         if ((error = ex_attach(dev)) != 0) {
  227                 device_printf(dev, "ex_attach() failed!\n");
  228                 goto bad;
  229         }
  230 
  231         error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
  232             ex_intr, (void *)sc, &sc->ih);
  233         if (error) {
  234                 device_printf(dev, "bus_setup_intr() failed!\n");
  235                 goto bad;
  236         }
  237 
  238         return(0);
  239 bad:
  240         ex_release_resources(dev);
  241         return (error);
  242 }

Cache object: 5981a07e3223ae01995d8189eed88da8


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