diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/mii/files.mii | 6 | ||||
| -rw-r--r-- | sys/dev/mii/gentbi.c | 293 |
2 files changed, 298 insertions, 1 deletions
diff --git a/sys/dev/mii/files.mii b/sys/dev/mii/files.mii index af36b07da82..40dcebf00fb 100644 --- a/sys/dev/mii/files.mii +++ b/sys/dev/mii/files.mii @@ -1,4 +1,4 @@ -# $OpenBSD: files.mii,v 1.21 2004/06/05 05:49:29 pvalchev Exp $ +# $OpenBSD: files.mii,v 1.22 2004/10/07 22:24:31 brad Exp $ # $NetBSD: files.mii,v 1.13 1998/11/05 00:36:48 thorpej Exp $ file dev/mii/mii.c mii @@ -25,6 +25,10 @@ device nsphyter: mii_phy attach nsphyter at mii file dev/mii/nsphyter.c nsphyter +device gentbi: mii_phy +attach gentbi at mii +file dev/mii/gentbi.c gentbi + device qsphy: mii_phy attach qsphy at mii file dev/mii/qsphy.c qsphy diff --git a/sys/dev/mii/gentbi.c b/sys/dev/mii/gentbi.c new file mode 100644 index 00000000000..169724f440a --- /dev/null +++ b/sys/dev/mii/gentbi.c @@ -0,0 +1,293 @@ +/* $OpenBSD: gentbi.c,v 1.1 2004/10/07 22:24:31 brad Exp $ */ +/* $NetBSD: gentbi.c,v 1.12 2004/04/11 15:40:56 thorpej Exp $ */ + +/*- + * Copyright (c) 1998, 1999, 2000, 2001 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 generic ten-bit (1000BASE-SX) interfaces, built in to + * many Gigabit Ethernet chips. + * + * All we have to do here is correctly report speed and duplex. + */ + +#if 0 +#include <sys/cdefs.h> +__KERNEL_RCSID(0, "$NetBSD: gentbi.c,v 1.12 2004/04/11 15:40:56 thorpej Exp $"); +#endif + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/device.h> +#include <sys/socket.h> +#include <sys/errno.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> + +int gentbimatch(struct device *, void *, void *); +void gentbiattach(struct device *, struct device *, void *); + +struct cfattach gentbi_ca = { + sizeof(struct mii_softc), gentbimatch, gentbiattach, + mii_phy_detach, mii_phy_activate +}; + +struct cfdriver gentbi_cd = { + NULL, "gentbi", DV_DULL +}; + +int gentbi_service(struct mii_softc *, struct mii_data *, int); +void gentbi_status(struct mii_softc *); + +const struct mii_phy_funcs gentbi_funcs = { + gentbi_service, gentbi_status, mii_phy_reset, +}; + +int +gentbimatch(struct device *parent, void *match, void *aux) +{ + struct mii_attach_args *ma = aux; + struct mii_data *mii = ma->mii_data; + int bmsr, extsr; + + /* + * We match as a generic TBI if: + * + * - There is no media in the BMSR. + * - EXTSR has only 1000X. + */ + bmsr = (*mii->mii_readreg)(parent, ma->mii_phyno, MII_BMSR); + if ((bmsr & BMSR_EXTSTAT) == 0 || (bmsr & BMSR_MEDIAMASK) != 0) + return (0); + + extsr = (*mii->mii_readreg)(parent, ma->mii_phyno, MII_EXTSR); + if (extsr & (EXTSR_1000TFDX|EXTSR_1000THDX)) + return (0); + + if (extsr & (EXTSR_1000XFDX|EXTSR_1000XHDX)) { + /* + * We think this is a generic TBI. Return a match + * priority higher than ukphy, but lower than what + * specific drivers will return. + */ + return (2); + } + + return (0); +} + +void +gentbiattach(struct device *parent, struct device *self, void *aux) +{ + struct mii_softc *sc = (struct mii_softc *)self; + struct mii_attach_args *ma = aux; + struct mii_data *mii = ma->mii_data; + + printf(": Generic ten-bit interface, rev. %d\n", + MII_REV(ma->mii_id2)); + + sc->mii_inst = mii->mii_instance; + sc->mii_phy = ma->mii_phyno; + sc->mii_funcs = &gentbi_funcs; + sc->mii_pdata = mii; + sc->mii_flags = ma->mii_flags; + sc->mii_anegticks = 5; + + PHY_RESET(sc); + + /* + * Mask out all media in the BMSR. We only are really interested + * in "auto". + */ + sc->mii_capabilities = + PHY_READ(sc, MII_BMSR) & ma->mii_capmask & ~BMSR_MEDIAMASK; + if (sc->mii_capabilities & BMSR_EXTSTAT) + sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); + + printf("%s: ", sc->mii_dev.dv_xname); + if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 && + (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0) + printf("no media present"); + else + mii_phy_add_media(sc); + printf("\n"); +} + +int +gentbi_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); +} + +void +gentbi_status(struct mii_softc *sc) +{ + struct mii_data *mii = sc->mii_pdata; + struct ifmedia_entry *ife = mii->mii_media.ifm_cur; + int bmsr, bmcr, anlpar; + + 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) { + /* + * The media status bits are only valid of autonegotiation + * has completed (or it's disabled). + */ + if ((bmsr & BMSR_ACOMP) == 0) { + /* Erg, still trying, I guess... */ + mii->mii_media_active |= IFM_NONE; + return; + } + + /* + * The media is always 1000baseSX. Check the ANLPAR to + * see if we're doing full-duplex. + */ + mii->mii_media_active |= IFM_1000_SX; + + anlpar = PHY_READ(sc, MII_ANLPAR); + if ((sc->mii_extcapabilities & EXTSR_1000XFDX) != 0 && + (anlpar & ANLPAR_X_FD) != 0) + mii->mii_media_active |= + IFM_FDX; + } else + mii->mii_media_active = ife->ifm_media; +} |