diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/mii/dmphy.c | 293 | ||||
| -rw-r--r-- | sys/dev/mii/dmphyreg.h | 88 | ||||
| -rw-r--r-- | sys/dev/mii/files.mii | 7 |
3 files changed, 387 insertions, 1 deletions
diff --git a/sys/dev/mii/dmphy.c b/sys/dev/mii/dmphy.c new file mode 100644 index 00000000000..abd48a48076 --- /dev/null +++ b/sys/dev/mii/dmphy.c @@ -0,0 +1,293 @@ +/* $NetBSD: dmphy.c,v 1.7.4.1 2000/07/04 04:11:12 thorpej 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 Davicom's DM9101 ethernet 10/100 PHY + * Data Sheet available from www.davicom8.com + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/device.h> +#include <sys/malloc.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> + +#include <dev/mii/dmphyreg.h> + +int dmphymatch __P((struct device *, void *, void *)); +void dmphyattach __P((struct device *, struct device *, void *)); + +struct cfattach dmphy_ca = { + sizeof(struct mii_softc), dmphymatch, dmphyattach +}; + +struct cfdriver dmphy_cd = { + NULL, "dmphy", DV_DULL +}; + +int dmphy_service __P((struct mii_softc *, struct mii_data *, int)); +void dmphy_status __P((struct mii_softc *)); + +int +dmphymatch(parent, match, aux) + struct device *parent; + void *match; + void *aux; +{ + struct mii_attach_args *ma = aux; + + if ((MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxDAVICOM || + MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_DAVICOM) && + (MII_MODEL(ma->mii_id2) == MII_MODEL_xxDAVICOM_DM9101)) + return (10); + + return (0); +} + +void +dmphyattach(parent, self, aux) + struct device *parent, *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(": %s, rev. %d\n", MII_STR_xxDAVICOM_DM9101, + MII_REV(ma->mii_id2)); + + sc->mii_inst = mii->mii_instance; + sc->mii_phy = ma->mii_phyno; + sc->mii_service = dmphy_service; + sc->mii_pdata = mii; + + mii_phy_reset(sc); + + sc->mii_capabilities = + PHY_READ(sc, MII_BMSR) & ma->mii_capmask; + if (sc->mii_capabilities & BMSR_MEDIAMASK) + mii_add_media(sc); +} + +int +dmphy_service(sc, mii, cmd) + struct mii_softc *sc; + struct mii_data *mii; + int cmd; +{ + struct ifmedia_entry *ife = mii->mii_media.ifm_cur; + int reg; + + if ((sc->mii_dev.dv_flags & DVF_ACTIVE) == 0) + return (ENXIO); + + 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; + + switch (IFM_SUBTYPE(ife->ifm_media)) { + case IFM_AUTO: + /* + * If we're already in auto mode, just return. + */ + if (PHY_READ(sc, MII_BMCR) & BMCR_AUTOEN) + return (0); + (void) mii_phy_auto(sc, 1); + break; + default: + 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); + + /* + * Check to see if we have link. If we do, we don't + * need to restart the autonegotiation process. Read + * the BMSR twice in case it's latched. + */ + reg = PHY_READ(sc, MII_BMSR) | + PHY_READ(sc, MII_BMSR); + if (reg & BMSR_LINK) + return (0); + + /* + * Only retry autonegotiation every 5 seconds. + */ + if (++sc->mii_ticks != 5) + return (0); + + sc->mii_ticks = 0; + mii_phy_reset(sc); + if (mii_phy_auto(sc, 0) == EJUSTRETURN) + return (0); + break; + + case MII_DOWN: + mii_phy_down(sc); + return (0); + } + + /* Update the media status. */ + dmphy_status(sc); + + /* Callback if something changed. */ + if (sc->mii_active != mii->mii_media_active || cmd == MII_MEDIACHG) { + (*mii->mii_statchg)(sc->mii_dev.dv_parent); + sc->mii_active = mii->mii_media_active; + } + return (0); +} + +void +dmphy_status(sc) + struct mii_softc *sc; +{ + struct mii_data *mii = sc->mii_pdata; + struct ifmedia_entry *ife = mii->mii_media.ifm_cur; + int bmsr, bmcr, dscsr; + + 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 PAR 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; + } + + dscsr = PHY_READ(sc, MII_DMPHY_DSCSR); + if (dscsr & DSCSR_100FDX) + mii->mii_media_active |= IFM_100_TX|IFM_FDX; + else if (dscsr & DSCSR_100HDX) + mii->mii_media_active |= IFM_100_TX; + else if (dscsr & DSCSR_10FDX) + mii->mii_media_active |= IFM_10_T|IFM_FDX; + else if (dscsr & DSCSR_10HDX) + mii->mii_media_active |= IFM_10_T; + else + mii->mii_media_active |= IFM_NONE; + } else + mii->mii_media_active = ife->ifm_media; +} diff --git a/sys/dev/mii/dmphyreg.h b/sys/dev/mii/dmphyreg.h new file mode 100644 index 00000000000..85509c5ed72 --- /dev/null +++ b/sys/dev/mii/dmphyreg.h @@ -0,0 +1,88 @@ +/* $NetBSD: dmphyreg.h,v 1.1 2000/02/02 04:29:49 thorpej Exp $ */ + +/*- + * Copyright (c) 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. + */ + +#ifndef _DEV_MII_DMPHYREG_H_ +#define _DEV_MII_DMPHYREG_H_ + +/* + * Davicom DM9101 registers. + */ + +#define MII_DMPHY_DSCR 0x10 /* DAVICOM Specified Config Reg */ +#define DSCR_BP_4B5B 0x8000 /* bypass 4b5b encoding/decoding */ +#define DSCR_SCR 0x4000 /* bypass scrambler/descrambler */ +#define DSCR_ALIGN 0x2000 /* bypass symbol alignment */ +#define DSCR_REPEATER 0x0800 /* repeater mode */ +#define DSCR_TX 0x0400 /* 1 == 100baseTX, 0 == 100baseFX */ +#define DSCR_UTP 0x0200 /* 1 == UTP, 0 == STP */ +#define DSCR_CLK25MDIS 0x0100 /* CLK25M disable */ +#define DSCR_F_LINK_100 0x0080 /* force good link in 100Mb/s mode */ +#define DSCR_LINKLED_CTL 0x0020 /* 1 == link only, 0 == link+traffic */ +#define DSCR_FDXLEN_MODE 0x0010 /* 1 == 10baseT polarity, 0 == FDX */ +#define DSCR_SMRST 0x0008 /* reset state machine */ +#define DSCR_MFPSC 0x0004 /* MF preamble suppression */ +#define DSCR_SLEEP 0x0002 /* sleep mode */ +#define DSCR_RLOUT 0x0001 /* remote loop-out control */ + +#define MII_DMPHY_DSCSR 0x11 /* DAVICOM Spec'd Conf/Stat Reg */ +#define DSCSR_100FDX 0x8000 /* 100Mb/s FDX */ +#define DSCSR_100HDX 0x4000 /* 100Mb/s HDX */ +#define DSCSR_10FDX 0x2000 /* 10Mb/s FDX */ +#define DSCSR_10HDX 0x1000 /* 10Mb/s HDX */ +#define DSCSR_PHYAD 0x01f0 /* PHY address */ +#define DSCSR_ANMB 0x000f /* Autonegotiation monitor */ + +#define ANMB_IDLE 0x0000 /* idle */ +#define ANMB_AB_MATCH 0x0001 /* ability match */ +#define ANMB_ACK_MATCH 0x0002 /* acknowledge match */ +#define ANMB_ACK_MATCH_FAIL 0x0003 /* acknowledge match fail */ +#define ANMB_CON_MATCH 0x0004 /* consistency match */ +#define ANMB_CON_MATCH_FAIL 0x0005 /* consistency match fail */ +#define ANMB_PAR_LINK 0x0006 /* par detect signal link ready */ +#define ANMB_PAR_LINK_FAIL 0x0007 /* par detect signal link ready fail */ +#define ANMB_ANEG_OK 0x0008 /* autonegotiation completed ok */ + +#define MII_DMPHY_BTCSR 0x12 /* 10baseT Configuration/Status */ +#define BTCSR_LP_EN 0x4000 /* link pulse enable */ +#define BTCSR_HBE 0x2000 /* heartbeat enable */ +#define BTCSR_JABEN 0x0800 /* jabber enable */ +#define BTCSR_10BT_SER 0x0400 /* 10baseT serial mode */ +#define BTCSR_POLR 0x0001 /* polarity reversed */ + +#endif /* _DEV_MII_DMPHYREG_H_ */ diff --git a/sys/dev/mii/files.mii b/sys/dev/mii/files.mii index 2d5675fd695..b6827b6cea9 100644 --- a/sys/dev/mii/files.mii +++ b/sys/dev/mii/files.mii @@ -1,4 +1,4 @@ -# $OpenBSD: files.mii,v 1.9 2000/01/09 01:15:16 jason Exp $ +# $OpenBSD: files.mii,v 1.10 2000/08/02 06:16:14 deraadt Exp $ # $NetBSD: files.mii,v 1.13 1998/11/05 00:36:48 thorpej Exp $ file dev/mii/mii.c mii @@ -72,3 +72,8 @@ file dev/mii/ukphy.c ukphy device dcphy: mii_phy attach dcphy at mii file dev/mii/dcphy.c dcphy + +device dmphy: mii_phy +attach dmphy at mii +file dev/mii/dmphy.c dmphy + |