FreeBSD/Linux Kernel Cross Reference
sys/dev/mii/ukphy.c

     /*      $NetBSD: ukphy.c,v 1.2 1999/04/23 04:24:32 thorpej Exp $        */
     
     /*-
      * SPDX-License-Identifier: BSD-2-Clause-NetBSD
      *
      * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
     * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
     * NASA Ames Research Center, and by Frank van der Linden.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    /*-
     * Copyright (c) 1997 Manuel Bouyer.  All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    /*
     * driver for generic unknown PHYs
     */
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/kernel.h>
    #include <sys/socket.h>
    #include <sys/errno.h>
    #include <sys/module.h>
    #include <sys/bus.h>
    
    #include <net/if.h>
    #include <net/if_media.h>
    
    #include <dev/mii/mii.h>
    #include <dev/mii/miivar.h>
    
    #include "miibus_if.h"
    
    static int ukphy_probe(device_t);
    static int ukphy_attach(device_t);
    
    static device_method_t ukphy_methods[] = {
            /* device interface */
            DEVMETHOD(device_probe,         ukphy_probe),
            DEVMETHOD(device_attach,        ukphy_attach),
            DEVMETHOD(device_detach,        mii_phy_detach),
            DEVMETHOD(device_shutdown,      bus_generic_shutdown),
            DEVMETHOD_END
    };
    
    static devclass_t ukphy_devclass;
    
    static driver_t ukphy_driver = {
            "ukphy",
            ukphy_methods,
            sizeof(struct mii_softc)
   };
   
   DRIVER_MODULE(ukphy, miibus, ukphy_driver, ukphy_devclass, 0, 0);
   
   static int      ukphy_service(struct mii_softc *, struct mii_data *, int);
   
   static const struct mii_phy_funcs ukphy_funcs = {
           ukphy_service,
           ukphy_status,
           mii_phy_reset
   };
   
   static int
   ukphy_probe(device_t dev)
   {
   
           /*
            * We know something is here, so always match at a low priority.
            */
           device_set_desc(dev, "Generic IEEE 802.3u media interface");
           return (BUS_PROBE_GENERIC);
   }
   
   static int
   ukphy_attach(device_t dev)
   {
           struct mii_softc *sc;
   
           sc = device_get_softc(dev);
   
           mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &ukphy_funcs, 1);
           mii_phy_setmedia(sc);
   
           return (0);
   }
   
   static int
   ukphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
   {
   
           switch (cmd) {
           case MII_POLLSTAT:
                   break;
   
           case MII_MEDIACHG:
                   mii_phy_setmedia(sc);
                   break;
   
           case MII_TICK:
                   if (mii_phy_tick(sc) == EJUSTRETURN)
                           return (0);
                   break;
           }
   
           /* Update the media status. */
           PHY_STATUS(sc);
   
           /* Callback if something changed. */
           mii_phy_update(sc, cmd);
           return (0);
   }

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