based on netbsd; whacked into shape by ycsu@zyxel.com.tw

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
+