sys/dev/isapnp/if_ne_isapnp.c

   1 /*      $NetBSD: if_ne_isapnp.c,v 1.25 2008/03/12 14:31:11 cube 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  *
  20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <sys/cdefs.h>
  34 __KERNEL_RCSID(0, "$NetBSD: if_ne_isapnp.c,v 1.25 2008/03/12 14:31:11 cube Exp $");
  35
  36 #include <sys/param.h>
  37 #include <sys/systm.h>
  38 #include <sys/mbuf.h>
  39 #include <sys/socket.h>
  40 #include <sys/ioctl.h>
  41 #include <sys/errno.h>
  42 #include <sys/syslog.h>
  43 #include <sys/select.h>
  44 #include <sys/device.h>
  45
  46 #include <net/if.h>
  47 #include <net/if_dl.h>
  48 #include <net/if_ether.h>
  49 #include <net/if_media.h>
  50
  51 #include <sys/intr.h>
  52 #include <sys/bus.h>
  53
  54 #include <dev/ic/dp8390reg.h>
  55 #include <dev/ic/dp8390var.h>
  56
  57 #include <dev/ic/ne2000reg.h>
  58 #include <dev/ic/ne2000var.h>
  59
  60 #include <dev/ic/rtl80x9reg.h>
  61 #include <dev/ic/rtl80x9var.h>
  62
  63 #include <dev/isa/isavar.h>
  64
  65 #include <dev/isapnp/isapnpreg.h>
  66 #include <dev/isapnp/isapnpvar.h>
  67 #include <dev/isapnp/isapnpdevs.h>
  68
  69 static int ne_isapnp_match(device_t, cfdata_t , void *);
  70 static void ne_isapnp_attach(device_t, device_t, void *);
  71
  72 struct ne_isapnp_softc {
  73         struct  ne2000_softc sc_ne2000;         /* real "ne2000" softc */
  74
  75         /* ISA-specific goo. */
  76         void    *sc_ih;                         /* interrupt cookie */
  77 };
  78
  79 CFATTACH_DECL_NEW(ne_isapnp, sizeof(struct ne_isapnp_softc),
  80     ne_isapnp_match, ne_isapnp_attach, NULL, NULL);
  81
  82 static int
  83 ne_isapnp_match(device_t parent, cfdata_t match, void *aux)
  84 {
  85         int pri, variant;
  86
  87         pri = isapnp_devmatch(aux, &isapnp_ne_devinfo, &variant);
  88         if (pri && variant > 0)
  89                 pri = 0;
  90         return (pri);
  91 }
  92
  93 static void
  94 ne_isapnp_attach(device_t parent, device_t self, void *aux)
  95 {
  96         struct ne_isapnp_softc * const isc = device_private(self);
  97         struct ne2000_softc * const nsc = &isc->sc_ne2000;
  98         struct dp8390_softc * const dsc = &nsc->sc_dp8390;
  99         struct isapnp_attach_args * const ipa = aux;
 100         bus_space_tag_t nict;
 101         bus_space_handle_t nich;
 102         bus_space_tag_t asict;
 103         bus_space_handle_t asich;
 104         const char *typestr;
 105         int netype;
 106
 107         aprint_normal("\n");
 108
 109         dsc->sc_dev = self;
 110
 111         if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
 112                 aprint_error_dev(self, "can't configure isapnp resources\n");
 113                 return;
 114         }
 115
 116         nict = ipa->ipa_iot;
 117         nich = ipa->ipa_io[0].h;
 118
 119         asict = nict;
 120
 121         if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
 122             NE2000_ASIC_NPORTS, &asich)) {
 123                 aprint_error_dev(self, "can't subregion i/o space\n");
 124                 return;
 125         }
 126
 127         dsc->sc_regt = nict;
 128         dsc->sc_regh = nich;
 129
 130         nsc->sc_asict = asict;
 131         nsc->sc_asich = asich;
 132
 133         /*
 134          * Detect it again, so we can print some information about the
 135          * interface.
 136          */
 137         netype = ne2000_detect(nict, nich, asict, asich);
 138         switch (netype) {
 139         case NE2000_TYPE_NE1000:
 140                 typestr = "NE1000";
 141                 break;
 142
 143         case NE2000_TYPE_NE2000:
 144                 typestr = "NE2000";
 145                 /*
 146                  * Check for a Realtek 8019.
 147                  */
 148                 bus_space_write_1(nict, nich, ED_P0_CR,
 149                     ED_CR_PAGE_0 | ED_CR_STP);
 150                 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
 151                                                                 RTL0_8019ID0 &&
 152                     bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
 153                                                                 RTL0_8019ID1) {
 154                         typestr = "NE2000 (RTL8019)";
 155                         dsc->sc_mediachange = rtl80x9_mediachange;
 156                         dsc->sc_mediastatus = rtl80x9_mediastatus;
 157                         dsc->init_card = rtl80x9_init_card;
 158                         dsc->sc_media_init = rtl80x9_media_init;
 159                 }
 160                 break;
 161
 162         default:
 163                 aprint_error_dev(self, "where did the card go?!\n");
 164                 return;
 165         }
 166
 167         aprint_normal_dev(self, "%s Ethernet\n", typestr);
 168
 169         /* This interface is always enabled. */
 170         dsc->sc_enabled = 1;
 171
 172         /*
 173          * Do generic NE2000 attach.  This will read the station address
 174          * from the EEPROM.
 175          */
 176         ne2000_attach(nsc, NULL);
 177
 178         /* Establish the interrupt handler. */
 179         isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
 180             ipa->ipa_irq[0].type, IPL_NET, dp8390_intr, dsc);
 181         if (isc->sc_ih == NULL)
 182                 aprint_error_dev(self,
 183                     "couldn't establish interrupt handler\n");
 184 }