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/* OpenBSD: qsphy.c,v 1.6 2000/08/26 20:04:18 nate Exp */
/* NetBSD: qsphy.c,v 1.19 2000/02/02 23:34:57 thorpej Exp */
/*-
* 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.
*
* 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: release/9.1.0/sys/dev/mii/qsphy.c 229093 2011-12-31 14:12:12Z hselasky $");
/*
* driver for Quality Semiconductor's QS6612 ethernet 10/100 PHY
* datasheet from www.qualitysemi.com
*/
#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 <dev/mii/qsphyreg.h>
#include "miibus_if.h"
static int qsphy_probe(device_t);
static int qsphy_attach(device_t);
static device_method_t qsphy_methods[] = {
/* device interface */
DEVMETHOD(device_probe, qsphy_probe),
DEVMETHOD(device_attach, qsphy_attach),
DEVMETHOD(device_detach, mii_phy_detach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD_END
};
static devclass_t qsphy_devclass;
static driver_t qsphy_driver = {
"qsphy",
qsphy_methods,
sizeof(struct mii_softc)
};
DRIVER_MODULE(qsphy, miibus, qsphy_driver, qsphy_devclass, 0, 0);
static int qsphy_service(struct mii_softc *, struct mii_data *, int);
static void qsphy_reset(struct mii_softc *);
static void qsphy_status(struct mii_softc *);
static const struct mii_phydesc qsphys[] = {
MII_PHY_DESC(xxQUALSEMI, QS6612),
MII_PHY_END
};
static const struct mii_phy_funcs qsphy_funcs = {
qsphy_service,
qsphy_status,
qsphy_reset
};
static int
qsphy_probe(device_t dev)
{
return (mii_phy_dev_probe(dev, qsphys, BUS_PROBE_DEFAULT));
}
static int
qsphy_attach(device_t dev)
{
mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &qsphy_funcs, 1);
return (0);
}
static int
qsphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
{
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;
mii_phy_setmedia(sc);
break;
case MII_TICK:
/*
* Is the interface even up?
*/
if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
return (0);
/*
* This PHY's autonegotiation doesn't need to be kicked.
*/
break;
}
/* Update the media status. */
PHY_STATUS(sc);
/* Callback if something changed. */
mii_phy_update(sc, cmd);
return (0);
}
static void
qsphy_status(struct mii_softc *sc)
{
struct mii_data *mii = sc->mii_pdata;
int bmsr, bmcr, pctl;
mii->mii_media_status = IFM_AVALID;
mii->mii_media_active = IFM_ETHER;
bmsr = PHY_READ(sc, MII_BMSR) |
PHY_READ(sc, MII_BMSR);
if (bmsr & BMSR_LINK)
mii->mii_media_status |= IFM_ACTIVE;
bmcr = PHY_READ(sc, MII_BMCR);
if (bmcr & BMCR_ISO) {
mii->mii_media_active |= IFM_NONE;
mii->mii_media_status = 0;
return;
}
if (bmcr & BMCR_LOOP)
mii->mii_media_active |= IFM_LOOP;
pctl = PHY_READ(sc, MII_QSPHY_PCTL);
switch (pctl & PCTL_OPMASK) {
case PCTL_10_T:
mii->mii_media_active |= IFM_10_T|IFM_HDX;
break;
case PCTL_10_T_FDX:
mii->mii_media_active |= IFM_10_T|IFM_FDX;
break;
case PCTL_100_TX:
mii->mii_media_active |= IFM_100_TX|IFM_HDX;
break;
case PCTL_100_TX_FDX:
mii->mii_media_active |= IFM_100_TX|IFM_FDX;
break;
case PCTL_100_T4:
mii->mii_media_active |= IFM_100_T4|IFM_HDX;
break;
case PCTL_AN:
mii->mii_media_active |= IFM_NONE;
break;
default:
/* Erg... this shouldn't happen. */
mii->mii_media_active |= IFM_NONE;
break;
}
if ((mii->mii_media_active & IFM_FDX) != 0)
mii->mii_media_active |= mii_phy_flowstatus(sc);
}
static void
qsphy_reset(struct mii_softc *sc)
{
mii_phy_reset(sc);
PHY_WRITE(sc, MII_QSPHY_IMASK, 0);
}