/* 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 */ /*- * SPDX-License-Identifier: BSD-2-Clause * * 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 /* * driver for Quality Semiconductor's QS6612 ethernet 10/100 PHY * datasheet from www.qualitysemi.com */ #include #include #include #include #include #include #include #include #include #include #include #include "miidevs.h" #include #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: mii_phy_setmedia(sc); break; case MII_TICK: /* * 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); }