if_ne_isapnp.c

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    1 /*      $NetBSD: if_ne_isapnp.c,v 1.18 2004/02/13 10:05:50 wiz Exp $    */
    2 
    3 /*-
    4  * Copyright (c) 1997, 1998 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 and Matt Thomas of the 3am Software Foundry.
   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_ne_isapnp.c,v 1.18 2004/02/13 10:05:50 wiz 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/ic/dp8390reg.h>
   62 #include <dev/ic/dp8390var.h>
   63 
   64 #include <dev/ic/ne2000reg.h>
   65 #include <dev/ic/ne2000var.h>
   66 
   67 #include <dev/ic/rtl80x9reg.h>
   68 #include <dev/ic/rtl80x9var.h>
   69 
   70 #include <dev/isa/isavar.h>
   71 
   72 #include <dev/isapnp/isapnpreg.h>
   73 #include <dev/isapnp/isapnpvar.h>
   74 #include <dev/isapnp/isapnpdevs.h>
   75 
   76 static int ne_isapnp_match __P((struct device *, struct cfdata *, void *));
   77 static void ne_isapnp_attach __P((struct device *, struct device *, void *));
   78 
   79 struct ne_isapnp_softc {
   80         struct  ne2000_softc sc_ne2000;         /* real "ne2000" softc */
   81 
   82         /* ISA-specific goo. */
   83         void    *sc_ih;                         /* interrupt cookie */
   84 };
   85 
   86 CFATTACH_DECL(ne_isapnp, sizeof(struct ne_isapnp_softc),
   87     ne_isapnp_match, ne_isapnp_attach, NULL, NULL);
   88 
   89 static int
   90 ne_isapnp_match(parent, match, aux)
   91         struct device *parent;
   92         struct cfdata *match;
   93         void *aux;
   94 {
   95         int pri, variant;
   96 
   97         pri = isapnp_devmatch(aux, &isapnp_ne_devinfo, &variant);
   98         if (pri && variant > 0)
   99                 pri = 0;
  100         return (pri);
  101 }
  102 
  103 static void
  104 ne_isapnp_attach(
  105         struct device *parent,
  106         struct device *self,
  107         void *aux)
  108 {
  109         struct ne_isapnp_softc * const isc = (struct ne_isapnp_softc *)self;
  110         struct ne2000_softc * const nsc = &isc->sc_ne2000;
  111         struct dp8390_softc * const dsc = &nsc->sc_dp8390;
  112         struct isapnp_attach_args * const ipa = aux;
  113         bus_space_tag_t nict;
  114         bus_space_handle_t nich;
  115         bus_space_tag_t asict;
  116         bus_space_handle_t asich;
  117         const char *typestr;
  118         int netype;
  119 
  120         printf("\n");
  121 
  122         if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
  123                 printf("%s: can't configure isapnp resources\n",
  124                     dsc->sc_dev.dv_xname);
  125                 return;
  126         }
  127 
  128         nict = ipa->ipa_iot;
  129         nich = ipa->ipa_io[0].h;
  130 
  131         asict = nict;
  132 
  133         if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
  134             NE2000_ASIC_NPORTS, &asich)) {
  135                 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
  136                 return;
  137         }
  138 
  139         dsc->sc_regt = nict;
  140         dsc->sc_regh = nich;
  141 
  142         nsc->sc_asict = asict;
  143         nsc->sc_asich = asich;
  144 
  145         /*
  146          * Detect it again, so we can print some information about the
  147          * interface.
  148          */
  149         netype = ne2000_detect(nict, nich, asict, asich);
  150         switch (netype) {
  151         case NE2000_TYPE_NE1000:
  152                 typestr = "NE1000";
  153                 break;
  154 
  155         case NE2000_TYPE_NE2000:
  156                 typestr = "NE2000";
  157                 /*
  158                  * Check for a Realtek 8019.
  159                  */
  160                 bus_space_write_1(nict, nich, ED_P0_CR,
  161                     ED_CR_PAGE_0 | ED_CR_STP);
  162                 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
  163                                                                 RTL0_8019ID0 &&
  164                     bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
  165                                                                 RTL0_8019ID1) {
  166                         typestr = "NE2000 (RTL8019)";
  167                         dsc->sc_mediachange = rtl80x9_mediachange;
  168                         dsc->sc_mediastatus = rtl80x9_mediastatus;
  169                         dsc->init_card = rtl80x9_init_card;
  170                         dsc->sc_media_init = rtl80x9_media_init;
  171                 }
  172                 break;
  173 
  174         default:
  175                 printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname);
  176                 return;
  177         }
  178 
  179         printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr);
  180 
  181         /* This interface is always enabled. */
  182         dsc->sc_enabled = 1;
  183 
  184         /*
  185          * Do generic NE2000 attach.  This will read the station address
  186          * from the EEPROM.
  187          */
  188         ne2000_attach(nsc, NULL);
  189 
  190         /* Establish the interrupt handler. */
  191         isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
  192             ipa->ipa_irq[0].type, IPL_NET, dp8390_intr, dsc);
  193         if (isc->sc_ih == NULL)
  194                 printf("%s: couldn't establish interrupt handler\n",
  195                     dsc->sc_dev.dv_xname);
  196 }

Cache object: 176ffb9c78eda6fc6a9d327ffea3e822

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sys/dev/isapnp/if_ne_isapnp.c