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/*-
* Copyright (c) 2000 Berkeley Software Design, Inc.
* Copyright (c) 1997, 1998, 1999, 2000
* Bill Paul <wpaul@osd.bsdi.com>. 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:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
* 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 homePNA PHYs
* This is really just a stub that allows us to identify homePNA-based
* transceicers and display the link status. MII-based homePNA PHYs
* only support one media type and no autonegotiation. If we were
* really clever, we could tweak some of the vendor-specific registers
* to optimize the link.
*/
#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 "miidevs.h"
#include "miibus_if.h"
static int pnaphy_probe(device_t);
static int pnaphy_attach(device_t);
static device_method_t pnaphy_methods[] = {
/* device interface */
DEVMETHOD(device_probe, pnaphy_probe),
DEVMETHOD(device_attach, pnaphy_attach),
DEVMETHOD(device_detach, mii_phy_detach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD_END
};
static devclass_t pnaphy_devclass;
static driver_t pnaphy_driver = {
"pnaphy",
pnaphy_methods,
sizeof(struct mii_softc)
};
DRIVER_MODULE(pnaphy, miibus, pnaphy_driver, pnaphy_devclass, 0, 0);
static int pnaphy_service(struct mii_softc *, struct mii_data *,int);
static const struct mii_phydesc pnaphys[] = {
MII_PHY_DESC(yyAMD, 79c901home),
MII_PHY_END
};
static const struct mii_phy_funcs pnaphy_funcs = {
pnaphy_service,
ukphy_status,
mii_phy_reset
};
static int
pnaphy_probe(device_t dev)
{
return (mii_phy_dev_probe(dev, pnaphys, BUS_PROBE_DEFAULT));
}
static int
pnaphy_attach(device_t dev)
{
mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_IS_HPNA |
MIIF_NOMANPAUSE, &pnaphy_funcs, 1);
return (0);
}
static int
pnaphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
{
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
switch (cmd) {
case MII_POLLSTAT:
break;
case MII_MEDIACHG:
/*
* If the interface is not up, don't do anything.
*/
if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
break;
switch (IFM_SUBTYPE(ife->ifm_media)) {
case IFM_HPNA_1:
mii_phy_setmedia(sc);
break;
default:
return (EINVAL);
}
break;
case MII_TICK:
if (mii_phy_tick(sc) == EJUSTRETURN)
return (0);
break;
}
/* Update the media status. */
PHY_STATUS(sc);
if (IFM_SUBTYPE(mii->mii_media_active) == IFM_10_T)
mii->mii_media_active = IFM_ETHER | IFM_HPNA_1;
/* Callback if something changed. */
mii_phy_update(sc, cmd);
return (0);
}
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