root/dev/ic/dl10019.c

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DEFINITIONS

This source file includes following definitions.
  1. dl10019_mii_reset
  2. dl10019_media_init
  3. dl10019_media_fini
  4. dl10019_mediachange
  5. dl10019_mediastatus
  6. dl10019_init_card
  7. dl10019_stop_card
  8. dl10019_mii_bitbang_read
  9. dl10019_mii_bitbang_write
  10. dl10019_mii_readreg
  11. dl10019_mii_writereg
  12. dl10019_mii_statchg

    1 /*      $OpenBSD: dl10019.c,v 1.3 2003/06/25 17:35:36 miod 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 Jason R. Thorpe.
   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/param.h>
   41 #include <sys/systm.h>
   42 #include <sys/device.h>
   43 #include <sys/mbuf.h>
   44 #include <sys/socket.h>
   45 #include <sys/syslog.h>
   46 
   47 #include <net/if.h>
   48 #include <net/if_dl.h>
   49 #include <net/if_types.h>
   50 #include <net/if_media.h>
   51 
   52 #ifdef INET
   53 #include <netinet/in.h>
   54 #include <netinet/in_systm.h>
   55 #include <netinet/in_var.h>
   56 #include <netinet/ip.h>
   57 #include <netinet/if_ether.h>
   58 #endif
   59 
   60 #include <machine/bus.h>
   61 
   62 #include <dev/mii/miivar.h>
   63 #include <dev/mii/mii.h>
   64 #include <dev/mii/mii_bitbang.h>
   65 
   66 #include <dev/ic/dp8390reg.h>
   67 #include <dev/ic/dp8390var.h>
   68 
   69 #include <dev/ic/ne2000reg.h>
   70 #include <dev/ic/ne2000var.h>
   71 
   72 #include <dev/ic/dl10019reg.h>
   73 #include <dev/ic/dl10019var.h>
   74 
   75 int     dl10019_mii_readreg(struct device *, int, int);
   76 void    dl10019_mii_writereg(struct device *, int, int, int);
   77 void    dl10019_mii_statchg(struct device *);
   78 
   79 void    dl10019_mii_reset(struct dp8390_softc *);
   80 
   81 /*
   82  * MII bit-bang glue.
   83  */
   84 u_int32_t dl10019_mii_bitbang_read(struct device *);
   85 void dl10019_mii_bitbang_write(struct device *, u_int32_t);
   86 
   87 const struct mii_bitbang_ops dl10019_mii_bitbang_ops = {
   88         dl10019_mii_bitbang_read,
   89         dl10019_mii_bitbang_write,
   90         {
   91                 DL0_GPIO_MII_DATAOUT,   /* MII_BIT_MDO */
   92                 DL0_GPIO_MII_DATAIN,    /* MII_BIT_MDI */
   93                 DL0_GPIO_MII_CLK,       /* MII_BIT_MDC */
   94                 DL0_19_GPIO_MII_DIROUT, /* MII_BIT_DIR_HOST_PHY */
   95                 0,                      /* MII_BIT_DIR_PHY_HOST */
   96         }
   97 };
   98 
   99 const struct mii_bitbang_ops dl10022_mii_bitbang_ops = {
  100         dl10019_mii_bitbang_read,
  101         dl10019_mii_bitbang_write,
  102         {
  103                 DL0_GPIO_MII_DATAOUT,   /* MII_BIT_MDO */
  104                 DL0_GPIO_MII_DATAIN,    /* MII_BIT_MDI */
  105                 DL0_GPIO_MII_CLK,       /* MII_BIT_MDC */
  106                 DL0_22_GPIO_MII_DIROUT, /* MII_BIT_DIR_HOST_PHY */
  107                 0,                      /* MII_BIT_DIR_PHY_HOST */
  108         }
  109 };
  110 
  111 void
  112 dl10019_mii_reset(struct dp8390_softc *sc)
  113 {
  114         struct ne2000_softc *nsc = (void *) sc;
  115         int i;
  116 
  117         if (nsc->sc_type != NE2000_TYPE_DL10022)
  118                 return;
  119 
  120         for (i = 0; i < 2; i++) {
  121                 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO,
  122                     0x08);
  123                 DELAY(1);
  124                 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO,
  125                     0x0c);
  126                 DELAY(1);
  127         }
  128         bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 0x00);
  129 }
  130 
  131 void
  132 dl10019_media_init(struct dp8390_softc *sc)
  133 {
  134         struct ifnet *ifp = &sc->sc_arpcom.ac_if;
  135 
  136         sc->sc_mii.mii_ifp = ifp;
  137         sc->sc_mii.mii_readreg = dl10019_mii_readreg;
  138         sc->sc_mii.mii_writereg = dl10019_mii_writereg;
  139         sc->sc_mii.mii_statchg = dl10019_mii_statchg;
  140         ifmedia_init(&sc->sc_mii.mii_media, 0, dp8390_mediachange,
  141             dp8390_mediastatus);
  142 
  143         dl10019_mii_reset(sc);
  144 
  145         mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY,
  146             MII_OFFSET_ANY, 0);
  147 
  148         if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
  149                 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL);
  150                 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
  151         } else
  152                 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
  153 }
  154 
  155 void
  156 dl10019_media_fini(struct dp8390_softc *sc)
  157 {
  158         mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
  159 }
  160 
  161 int
  162 dl10019_mediachange(struct dp8390_softc *sc)
  163 {
  164         mii_mediachg(&sc->sc_mii);
  165         return (0);
  166 }
  167 
  168 void
  169 dl10019_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr)
  170 {
  171         mii_pollstat(&sc->sc_mii);
  172         ifmr->ifm_status = sc->sc_mii.mii_media_status;
  173         ifmr->ifm_active = sc->sc_mii.mii_media_active;
  174 }
  175 
  176 void
  177 dl10019_init_card(struct dp8390_softc *sc)
  178 {
  179         dl10019_mii_reset(sc);
  180         mii_mediachg(&sc->sc_mii);
  181 }
  182 
  183 void
  184 dl10019_stop_card(struct dp8390_softc *sc)
  185 {
  186         mii_down(&sc->sc_mii);
  187 }
  188 
  189 u_int32_t
  190 dl10019_mii_bitbang_read(struct device *self)
  191 {
  192         struct dp8390_softc *sc = (void *) self;
  193 
  194         /* We're already in Page 0. */
  195         return (bus_space_read_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO) &
  196             ~DL0_GPIO_PRESERVE);
  197 }
  198 
  199 void
  200 dl10019_mii_bitbang_write(struct device *self, u_int32_t val)
  201 {
  202         struct dp8390_softc *sc = (void *) self;
  203         u_int8_t gpio;
  204 
  205         /* We're already in Page 0. */
  206         gpio = bus_space_read_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO);
  207         bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO,
  208             (val & ~DL0_GPIO_PRESERVE) | (gpio & DL0_GPIO_PRESERVE));
  209 }
  210 
  211 int
  212 dl10019_mii_readreg(struct device *self, int phy, int reg)
  213 {
  214         struct ne2000_softc *nsc = (void *) self;
  215         const struct mii_bitbang_ops *ops;
  216 
  217         ops = (nsc->sc_type == NE2000_TYPE_DL10022) ?
  218             &dl10022_mii_bitbang_ops : &dl10019_mii_bitbang_ops;
  219 
  220         return (mii_bitbang_readreg(self, ops, phy, reg));
  221 }
  222 
  223 void
  224 dl10019_mii_writereg(struct device *self, int phy, int reg, int val)
  225 {
  226         struct ne2000_softc *nsc = (void *) self;
  227         const struct mii_bitbang_ops *ops;
  228         
  229         ops = (nsc->sc_type == NE2000_TYPE_DL10022) ?
  230             &dl10022_mii_bitbang_ops : &dl10019_mii_bitbang_ops;
  231 
  232         mii_bitbang_writereg(self, ops, phy, reg, val);
  233 }
  234 
  235 void
  236 dl10019_mii_statchg(struct device *self)
  237 {
  238         struct dp8390_softc *sc = (void *) self;
  239         struct ne2000_softc *nsc = (void *) self;
  240 
  241         /*
  242          * Disable collision detection on the DL10022 if
  243          * we are on a full-duplex link.
  244          */
  245         if (nsc->sc_type == NE2000_TYPE_DL10022) {
  246                 u_int8_t diag;
  247 
  248                 if (sc->sc_mii.mii_media_active & IFM_FDX)
  249                         diag = DL0_DIAG_NOCOLLDETECT;
  250                 else
  251                         diag = 0;
  252                 bus_space_write_1(sc->sc_regt, sc->sc_regh,
  253                     NEDL_DL0_DIAG, diag);
  254         }
  255 }

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