sys/dev/ic/ax88190.c

   1 /*      $NetBSD: ax88190.c,v 1.10 2008/03/12 14:31:11 cube Exp $        */
   2
   3 /*-
   4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Enami Tsugutomo.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: ax88190.c,v 1.10 2008/03/12 14:31:11 cube Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/device.h>
  38 #include <sys/socket.h>
  39
  40 #include <net/if.h>
  41 #include <net/if_dl.h>
  42 #include <net/if_types.h>
  43 #include <net/if_media.h>
  44 #include <net/if_ether.h>
  45
  46 #include <sys/bus.h>
  47
  48 #include <dev/mii/miivar.h>
  49 #include <dev/mii/mii.h>
  50 #include <dev/mii/mii_bitbang.h>
  51
  52 #include <dev/ic/dp8390reg.h>
  53 #include <dev/ic/dp8390var.h>
  54
  55 #include <dev/ic/ne2000reg.h>
  56 #include <dev/ic/ne2000var.h>
  57
  58 #include <dev/ic/ax88190reg.h>
  59 #include <dev/ic/ax88190var.h>
  60
  61 static int      ax88190_mii_readreg(device_t, int, int);
  62 static void     ax88190_mii_writereg(device_t, int, int, int);
  63 static void     ax88190_mii_statchg(device_t);
  64
  65 /*
  66  * MII bit-bang glue.
  67  */
  68 static u_int32_t        ax88190_mii_bitbang_read(device_t);
  69 static void             ax88190_mii_bitbang_write(device_t, u_int32_t);
  70
  71 static const struct mii_bitbang_ops ax88190_mii_bitbang_ops = {
  72         ax88190_mii_bitbang_read,
  73         ax88190_mii_bitbang_write,
  74         {
  75                 AX88190_MEMR_MDO,       /* MII_BIT_MDO */
  76                 AX88190_MEMR_MDI,       /* MII_BIT_MDI */
  77                 AX88190_MEMR_MDC,       /* MII_BIT_MDC */
  78                 0,                      /* MII_BIT_DIR_HOST_PHY */
  79                 AX88190_MEMR_MDIR,      /* MII_BIT_DIR_PHY_HOST */
  80         }
  81 };
  82
  83 void
  84 ax88190_media_init(struct dp8390_softc *sc)
  85 {
  86         struct ifnet *ifp = &sc->sc_ec.ec_if;
  87
  88         sc->sc_mii.mii_ifp = ifp;
  89         sc->sc_mii.mii_readreg = ax88190_mii_readreg;
  90         sc->sc_mii.mii_writereg = ax88190_mii_writereg;
  91         sc->sc_mii.mii_statchg = ax88190_mii_statchg;
  92         ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, dp8390_mediachange,
  93             dp8390_mediastatus);
  94
  95         mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY,
  96             MII_OFFSET_ANY, 0);
  97
  98         if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
  99                 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0,
 100                     NULL);
 101                 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
 102         } else
 103                 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
 104 }
 105
 106 void
 107 ax88190_media_fini(struct dp8390_softc *sc)
 108 {
 109
 110         mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
 111 }
 112
 113 int
 114 ax88190_mediachange(struct dp8390_softc *sc)
 115 {
 116         int rc;
 117
 118         if ((rc = mii_mediachg(&sc->sc_mii)) == ENXIO)
 119                 return 0;
 120         return rc;
 121 }
 122
 123 void
 124 ax88190_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr)
 125 {
 126
 127         mii_pollstat(&sc->sc_mii);
 128         ifmr->ifm_status = sc->sc_mii.mii_media_status;
 129         ifmr->ifm_active = sc->sc_mii.mii_media_active;
 130 }
 131
 132 void
 133 ax88190_init_card(struct dp8390_softc *sc)
 134 {
 135
 136         mii_mediachg(&sc->sc_mii);
 137 }
 138
 139 void
 140 ax88190_stop_card(struct dp8390_softc *sc)
 141 {
 142
 143         mii_down(&sc->sc_mii);
 144 }
 145
 146 static u_int32_t
 147 ax88190_mii_bitbang_read(device_t self)
 148 {
 149         struct ne2000_softc *sc = device_private(self);
 150
 151         return (bus_space_read_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR));
 152 }
 153
 154 static void
 155 ax88190_mii_bitbang_write(device_t self, uint32_t val)
 156 {
 157         struct ne2000_softc *sc = device_private(self);
 158
 159         bus_space_write_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR, val);
 160 }
 161
 162 static int
 163 ax88190_mii_readreg(device_t self, int phy, int reg)
 164 {
 165
 166         return (mii_bitbang_readreg(self, &ax88190_mii_bitbang_ops, phy, reg));
 167 }
 168
 169 static void
 170 ax88190_mii_writereg(device_t self, int phy, int reg, int val)
 171 {
 172
 173         mii_bitbang_writereg(self, &ax88190_mii_bitbang_ops, phy, reg, val);
 174 }
 175
 176 static void
 177 ax88190_mii_statchg(device_t self)
 178 {
 179
 180         /* XXX */
 181 }