284 lines
8.4 KiB
C
284 lines
8.4 KiB
C
/* $NetBSD: qsphy.c,v 1.43 2008/04/08 20:10:20 cegger Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1998, 1999, 2000 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* 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 Quality Semiconductor's QS6612 ethernet 10/100 PHY
|
|
* datasheet from www.qualitysemi.com
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: qsphy.c,v 1.43 2008/04/08 20:10:20 cegger Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/device.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_media.h>
|
|
|
|
#include <dev/mii/mii.h>
|
|
#include <dev/mii/miivar.h>
|
|
#include <dev/mii/miidevs.h>
|
|
|
|
#include <dev/mii/qsphyreg.h>
|
|
|
|
static int qsphymatch(struct device *, struct cfdata *, void *);
|
|
static void qsphyattach(struct device *, struct device *, void *);
|
|
|
|
CFATTACH_DECL(qsphy, sizeof(struct mii_softc),
|
|
qsphymatch, qsphyattach, mii_phy_detach, mii_phy_activate);
|
|
|
|
static int qsphy_service(struct mii_softc *, struct mii_data *, int);
|
|
static void qsphy_status(struct mii_softc *);
|
|
static void qsphy_reset(struct mii_softc *);
|
|
|
|
static const struct mii_phy_funcs qsphy_funcs = {
|
|
qsphy_service, qsphy_status, qsphy_reset,
|
|
};
|
|
|
|
static const struct mii_phydesc qsphys[] = {
|
|
{ MII_OUI_xxQUALSEMI, MII_MODEL_xxQUALSEMI_QS6612,
|
|
MII_STR_xxQUALSEMI_QS6612 },
|
|
|
|
{ 0, 0,
|
|
NULL },
|
|
};
|
|
|
|
static int
|
|
qsphymatch(struct device *parent, struct cfdata *match,
|
|
void *aux)
|
|
{
|
|
struct mii_attach_args *ma = aux;
|
|
|
|
if (mii_phy_match(ma, qsphys) != NULL)
|
|
return (10);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
qsphyattach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct mii_softc *sc = device_private(self);
|
|
struct mii_attach_args *ma = aux;
|
|
struct mii_data *mii = ma->mii_data;
|
|
const struct mii_phydesc *mpd;
|
|
|
|
mpd = mii_phy_match(ma, qsphys);
|
|
aprint_naive(": Media interface\n");
|
|
aprint_normal(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
|
|
|
|
sc->mii_inst = mii->mii_instance;
|
|
sc->mii_phy = ma->mii_phyno;
|
|
sc->mii_funcs = &qsphy_funcs;
|
|
sc->mii_pdata = mii;
|
|
sc->mii_flags = ma->mii_flags;
|
|
sc->mii_anegticks = MII_ANEGTICKS;
|
|
|
|
PHY_RESET(sc);
|
|
|
|
sc->mii_capabilities =
|
|
PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
|
|
aprint_normal_dev(&sc->mii_dev, "");
|
|
if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0)
|
|
aprint_error("no media present");
|
|
else
|
|
mii_phy_add_media(sc);
|
|
aprint_normal("\n");
|
|
|
|
if (!pmf_device_register(self, NULL, mii_phy_resume))
|
|
aprint_error_dev(self, "couldn't establish power handler\n");
|
|
}
|
|
|
|
static int
|
|
qsphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
|
|
{
|
|
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
|
|
int reg;
|
|
|
|
switch (cmd) {
|
|
case MII_POLLSTAT:
|
|
/*
|
|
* If we're not polling our PHY instance, just return.
|
|
*/
|
|
if (IFM_INST(ife->ifm_media) != sc->mii_inst)
|
|
return (0);
|
|
break;
|
|
|
|
case MII_MEDIACHG:
|
|
/*
|
|
* If the media indicates a different PHY instance,
|
|
* isolate ourselves.
|
|
*/
|
|
if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
|
|
reg = PHY_READ(sc, MII_BMCR);
|
|
PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* 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:
|
|
/*
|
|
* If we're not currently selected, just return.
|
|
*/
|
|
if (IFM_INST(ife->ifm_media) != sc->mii_inst)
|
|
return (0);
|
|
|
|
if (mii_phy_tick(sc) == EJUSTRETURN)
|
|
return (0);
|
|
break;
|
|
|
|
case MII_DOWN:
|
|
mii_phy_down(sc);
|
|
return (0);
|
|
}
|
|
|
|
/* Update the media status. */
|
|
mii_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;
|
|
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
|
|
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;
|
|
|
|
if (bmcr & BMCR_AUTOEN) {
|
|
if ((bmsr & BMSR_ACOMP) == 0) {
|
|
/* Erg, still trying, I guess... */
|
|
mii->mii_media_active |= IFM_NONE;
|
|
return;
|
|
}
|
|
pctl = PHY_READ(sc, MII_QSPHY_PCTL) |
|
|
PHY_READ(sc, MII_QSPHY_PCTL);
|
|
switch (pctl & PCTL_OPMASK) {
|
|
case PCTL_10_T:
|
|
mii->mii_media_active |= IFM_10_T;
|
|
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;
|
|
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;
|
|
break;
|
|
default:
|
|
/* Erg... this shouldn't happen. */
|
|
mii->mii_media_active |= IFM_NONE;
|
|
break;
|
|
}
|
|
} else
|
|
mii->mii_media_active = ife->ifm_media;
|
|
}
|
|
|
|
static void
|
|
qsphy_reset(struct mii_softc *sc)
|
|
{
|
|
|
|
mii_phy_reset(sc);
|
|
PHY_WRITE(sc, MII_QSPHY_IMASK, 0);
|
|
}
|