/* $NetBSD: ukphy.c,v 1.38 2009/10/19 18:41:14 bouyer 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, and by Frank van der Linden. * * 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. */ /* * driver for generic unknown PHYs */ #include __KERNEL_RCSID(0, "$NetBSD: ukphy.c,v 1.38 2009/10/19 18:41:14 bouyer Exp $"); #include "opt_mii.h" #include #include #include #include #include #include #include #include #include #include #ifdef MIIVERBOSE struct mii_knowndev { int oui; int model; const char *descr; }; #include #include #endif static int ukphymatch(device_t, cfdata_t, void *); static void ukphyattach(device_t, device_t, void *); CFATTACH_DECL_NEW(ukphy, sizeof(struct mii_softc), ukphymatch, ukphyattach, mii_phy_detach, mii_phy_activate); static int ukphy_service(struct mii_softc *, struct mii_data *, int); static const struct mii_phy_funcs ukphy_funcs = { ukphy_service, ukphy_status, mii_phy_reset, }; static int ukphymatch(device_t parent, cfdata_t match, void *aux) { /* * We know something is here, so always match at a low priority. */ return (1); } static void ukphyattach(device_t parent, device_t self, void *aux) { struct mii_softc *sc = device_private(self); struct mii_attach_args *ma = aux; struct mii_data *mii = ma->mii_data; int oui = MII_OUI(ma->mii_id1, ma->mii_id2); int model = MII_MODEL(ma->mii_id2); int rev = MII_REV(ma->mii_id2); #ifdef MIIVERBOSE int i; #endif #ifdef MIIVERBOSE for (i = 0; mii_knowndevs[i].descr != NULL; i++) if (mii_knowndevs[i].oui == oui && mii_knowndevs[i].model == model) break; if (mii_knowndevs[i].descr != NULL) aprint_normal(": %s (OUI 0x%06x, model 0x%04x), rev. %d\n", mii_knowndevs[i].descr, oui, model, rev); else #endif aprint_normal(": OUI 0x%06x, model 0x%04x, rev. %d\n", oui, model, rev); sc->mii_dev = self; sc->mii_inst = mii->mii_instance; sc->mii_phy = ma->mii_phyno; sc->mii_funcs = &ukphy_funcs; sc->mii_pdata = mii; sc->mii_flags = ma->mii_flags; sc->mii_anegticks = MII_ANEGTICKS; /* * Don't do loopback on unknown PHYs. It might confuse some of them. */ sc->mii_flags |= MIIF_NOLOOP; PHY_RESET(sc); sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask; if (sc->mii_capabilities & BMSR_EXTSTAT) sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); aprint_normal_dev(self, ""); if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 && (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0) aprint_error("no media present"); else mii_phy_add_media(sc); aprint_normal("\n"); } static int ukphy_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); /* * Only used for autonegotiation. */ if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 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); }