The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/ax88190.c

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    1 /*      $OpenBSD: ax88190.c,v 1.9 2021/03/07 06:21:38 jsg Exp $ */
    2 /*      $NetBSD$        */
    3 
    4 /*-
    5  * Copyright (c) 2001 The NetBSD Foundation, Inc.
    6  * All rights reserved.
    7  *
    8  * This code is derived from software contributed to The NetBSD Foundation
    9  * by Enami Tsugutomo.
   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/param.h>
   34 #include <sys/systm.h>
   35 #include <sys/device.h>
   36 #include <sys/socket.h>
   37 
   38 #include <net/if.h>
   39 #include <net/if_media.h>
   40 
   41 #include <netinet/in.h>
   42 #include <netinet/if_ether.h>
   43 
   44 #include <machine/bus.h>
   45 
   46 #include <dev/mii/miivar.h>
   47 #include <dev/mii/mii.h>
   48 #include <dev/mii/mii_bitbang.h>
   49 
   50 #include <dev/ic/dp8390reg.h>
   51 #include <dev/ic/dp8390var.h>
   52 
   53 #include <dev/ic/ne2000reg.h>
   54 #include <dev/ic/ne2000var.h>
   55 
   56 #include <dev/ic/ax88190reg.h>
   57 
   58 int     ax88190_mii_readreg(struct device *, int, int);
   59 void    ax88190_mii_writereg(struct device *, int, int, int);
   60 void    ax88190_mii_statchg(struct device *);
   61 
   62 /*
   63  * MII bit-bang glue.
   64  */
   65 u_int32_t       ax88190_mii_bitbang_read(struct device *);
   66 void            ax88190_mii_bitbang_write(struct device *, u_int32_t);
   67 
   68 const struct mii_bitbang_ops ax88190_mii_bitbang_ops = {
   69         ax88190_mii_bitbang_read,
   70         ax88190_mii_bitbang_write,
   71         {
   72                 AX88190_MEMR_MDO,       /* MII_BIT_MDO */
   73                 AX88190_MEMR_MDI,       /* MII_BIT_MDI */
   74                 AX88190_MEMR_MDC,       /* MII_BIT_MDC */
   75                 0,                      /* MII_BIT_DIR_HOST_PHY */
   76                 AX88190_MEMR_MDIR,      /* MII_BIT_DIR_PHY_HOST */
   77         }
   78 };
   79 
   80 void
   81 ax88190_media_init(struct dp8390_softc *sc)
   82 {
   83         struct ifnet *ifp = &sc->sc_arpcom.ac_if;
   84 
   85         sc->sc_mii.mii_ifp = ifp;
   86         sc->sc_mii.mii_readreg = ax88190_mii_readreg;
   87         sc->sc_mii.mii_writereg = ax88190_mii_writereg;
   88         sc->sc_mii.mii_statchg = ax88190_mii_statchg;
   89         ifmedia_init(&sc->sc_mii.mii_media, 0, dp8390_mediachange,
   90             dp8390_mediastatus);
   91 
   92         mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY,
   93             MII_OFFSET_ANY, 0);
   94 
   95         if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
   96                 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0,
   97                     NULL);
   98                 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
   99         } else
  100                 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
  101 }
  102 
  103 void
  104 ax88190_media_fini(struct dp8390_softc *sc)
  105 {
  106         mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
  107 }
  108 
  109 int
  110 ax88190_mediachange(struct dp8390_softc *sc)
  111 {
  112         mii_mediachg(&sc->sc_mii);
  113         return (0);
  114 }
  115 
  116 void
  117 ax88190_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr)
  118 {
  119         mii_pollstat(&sc->sc_mii);
  120         ifmr->ifm_status = sc->sc_mii.mii_media_status;
  121         ifmr->ifm_active = sc->sc_mii.mii_media_active;
  122 }
  123 
  124 void
  125 ax88190_init_card(struct dp8390_softc *sc)
  126 {
  127         mii_mediachg(&sc->sc_mii);
  128 }
  129 
  130 void
  131 ax88190_stop_card(struct dp8390_softc *sc)
  132 {
  133         mii_down(&sc->sc_mii);
  134 }
  135 
  136 u_int32_t
  137 ax88190_mii_bitbang_read(struct device *self)
  138 {
  139         struct ne2000_softc *sc = (void *)self;
  140 
  141         return (bus_space_read_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR));
  142 }
  143 
  144 void
  145 ax88190_mii_bitbang_write(struct device *self, u_int32_t val)
  146 {
  147         struct ne2000_softc *sc = (void *)self;
  148 
  149         bus_space_write_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR, val);
  150 }
  151 
  152 int
  153 ax88190_mii_readreg(struct device *self, int phy, int reg)
  154 {
  155         return (mii_bitbang_readreg(self, &ax88190_mii_bitbang_ops, phy, reg));
  156 }
  157 
  158 void
  159 ax88190_mii_writereg(struct device *self, int phy, int reg, int val)
  160 {
  161         mii_bitbang_writereg(self, &ax88190_mii_bitbang_ops, phy, reg, val);
  162 }
  163 
  164 void
  165 ax88190_mii_statchg(struct device *self)
  166 {
  167         /* XXX */
  168 }

Cache object: db38ecc98612ce7f9bf37e324752d671


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