NetBSD/sys/dev/mii/nsphy.c

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1998-06-09 11:24:55 +04:00
/* $NetBSD: nsphy.c,v 1.4 1998/06/09 07:30:44 thorpej Exp $ */
/*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
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* This product includes software developed by Manuel Bouyer.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*/
/*
* driver for National Semiconductor's DP83840A ethernet 10/100 PHY
* Data Sheet available from www.national.com
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/proc.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_media.h>
#include <dev/mii/mii_adapter.h>
#include <dev/mii/mii_adapters_id.h>
#include <dev/mii/mii_phy.h>
#include <dev/mii/generic_phy.h>
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void nsphy_pdown __P((void *v));
int nsphy_media_set __P((int, void *));
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int nsphymatch __P((struct device *, struct cfdata *, void *));
void nsphyattach __P((struct device *, struct device *, void *));
struct cfattach nsphy_ca = {
sizeof(struct phy_softc), nsphymatch, nsphyattach
};
int
nsphymatch(parent, match, aux)
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struct device *parent;
struct cfdata *match;
void *aux;
{
mii_phy_t *phy = aux;
if (phy->phy_id == 0x20005c01)
return 1;
return 0;
}
void
nsphyattach(parent, self, aux)
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struct device *parent, *self;
void *aux;
{
struct phy_softc *sc = (struct phy_softc *)self;
sc->phy_link = aux;
sc->phy_link->phy_softc = sc;
sc->phy_link->phy_media_set = nsphy_media_set;
sc->phy_link->phy_status = phy_status;
sc->phy_link->phy_pdown = nsphy_pdown;
phy_reset(sc);
sc->phy_link->phy_media = 0;
if (phy_media_probe(sc) != 0) {
printf(": autoconfig failed\n");
return;
}
printf(": ");
phy_media_print(sc->phy_link->phy_media);
printf("\n");
}
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void
nsphy_pdown(v)
void *v;
{
struct phy_softc *sc = v;
mii_phy_t *phy_link = sc->phy_link;
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mii_writereg(phy_link->mii_softc, phy_link->dev, PHY_CONTROL,
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CTRL_ISO);
}
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int
nsphy_media_set(media, v)
int media;
void *v;
{
struct phy_softc *sc = v;
int subtype;
if (IFM_TYPE(media) != IFM_ETHER)
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return (EINVAL);
if (phy_reset(sc) == 0)
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return (EIO);
subtype = IFM_SUBTYPE(media);
switch (subtype) {
case IFM_10_2:
case IFM_10_5:
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return (EINVAL);
case IFM_10_T:
case IFM_100_TX:
case IFM_100_T4:
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return (phy_media_set_10_100(sc, media));
case IFM_AUTO:
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return (ENODEV);
default:
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return (EINVAL);
}
}