dev/mii/txphy.c

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This source file includes following definitions.
txphymatch
txphyattach
txphy_service
    1 /*      $OpenBSD: txphy.c,v 1.10 2005/02/19 06:00:04 brad Exp $ */
    2 
    3 /*
    4  * Copyright (c) 1999 Jason L. Wright (jason@thought.net)
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
   20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
   25  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   26  * POSSIBILITY OF SUCH DAMAGE.
   27  */
   28 
   29 /*
   30  * Driver for the Texas Instruments TNETE2101 phy.
   31  */
   32 
   33 #include <sys/param.h>
   34 #include <sys/systm.h>
   35 #include <sys/kernel.h>
   36 #include <sys/device.h>
   37 #include <sys/socket.h>
   38 #include <sys/errno.h>
   39 
   40 #include <net/if.h>
   41 #include <net/if_media.h>
   42 
   43 #include <dev/mii/mii.h>
   44 #include <dev/mii/miivar.h>
   45 #include <dev/mii/miidevs.h>
   46 
   47 int     txphymatch(struct device *, void *, void *);
   48 void    txphyattach(struct device *, struct device *, void *);
   49 
   50 struct cfattach txphy_ca = {
   51         sizeof(struct mii_softc), txphymatch, txphyattach, mii_phy_detach,
   52             mii_phy_activate
   53 };
   54 
   55 struct cfdriver txphy_cd = {
   56         NULL, "txphy", DV_DULL
   57 };
   58 
   59 int     txphy_service(struct mii_softc *, struct mii_data *, int);
   60 
   61 const struct mii_phy_funcs txphy_funcs = {
   62         txphy_service, ukphy_status, mii_phy_reset,
   63 };
   64 
   65 static const struct mii_phydesc txphys[] = {
   66         { MII_OUI_xxTI, MII_MODEL_xxTI_TNETE2101,
   67           MII_STR_xxTI_TNETE2101 },
   68 
   69         { 0,                    0,
   70           NULL },
   71 };
   72 
   73 int
   74 txphymatch(struct device *parent, void *match, void *aux)
   75 {
   76         struct mii_attach_args *ma = aux;
   77 
   78         if (mii_phy_match(ma, txphys) != NULL)
   79                 return (10);
   80 
   81         return (0);
   82 }
   83 
   84 void
   85 txphyattach(struct device *parent, struct device *self, void *aux)
   86 {
   87         struct mii_softc *sc = (struct mii_softc *)self;
   88         struct mii_attach_args *ma = aux;
   89         struct mii_data *mii = ma->mii_data;
   90         const struct mii_phydesc *mpd;
   91 
   92         mpd = mii_phy_match(ma, txphys);
   93         printf(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
   94 
   95         sc->mii_inst = mii->mii_instance;
   96         sc->mii_phy = ma->mii_phyno;
   97         sc->mii_funcs = &txphy_funcs;
   98         sc->mii_pdata = mii;
   99         sc->mii_flags = ma->mii_flags;
  100 
  101         PHY_RESET(sc);
  102 
  103         sc->mii_capabilities =
  104             PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
  105         if (sc->mii_capabilities & BMSR_MEDIAMASK)
  106                 mii_phy_add_media(sc);
  107 }
  108 
  109 int
  110 txphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
  111 {
  112         struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
  113 
  114         if ((sc->mii_dev.dv_flags & DVF_ACTIVE) == 0)
  115                 return (ENXIO);
  116 
  117         /*
  118          * Can't isolate the RTL8139 phy, so it has to be the only one.
  119          */
  120         if (IFM_INST(ife->ifm_media) != sc->mii_inst)
  121                 panic("txphy_service: attempt to isolate phy");
  122 
  123         switch (cmd) {
  124         case MII_POLLSTAT:
  125                 break;
  126 
  127         case MII_MEDIACHG:
  128                 /*
  129                  * If the interface is not up, don't do anything.
  130                  */
  131                 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
  132                         break;
  133 
  134                 mii_phy_setmedia(sc);
  135                 break;
  136 
  137         case MII_TICK:
  138                 if (mii_phy_tick(sc) == EJUSTRETURN)
  139                         return (0);
  140                 break;
  141 
  142         case MII_DOWN:
  143                 mii_phy_down(sc);
  144                 return (0);
  145         }
  146 
  147         /* Update the media status. */
  148         mii_phy_status(sc);
  149 
  150         /* Callback if something changed. */
  151         mii_phy_update(sc, cmd);
  152         return (0);
  153 }
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root/dev/mii/txphy.c

DEFINITIONS
