add driver for i82553; from netbsd

3 files changed, 406 insertions, 1 deletions

diff --git a/sys/dev/mii/files.mii b/sys/dev/mii/files.mii
index bcb574d20c2..1cfb0418495 100644
--- a/sys/dev/mii/files.mii
+++ b/sys/dev/mii/files.mii
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.mii,v 1.4 1998/12/28 03:37:55 jason Exp $
+#	$OpenBSD: files.mii,v 1.5 1999/10/12 16:59:29 jason 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 inphy: mii_phy
 attach inphy at mii
 file dev/mii/inphy.c				inphy
 
+device iophy: mii_phy
+attach iophy at mii
+file dev/mii/iophy.c				iophy
+
 device exphy: mii_phy, ukphy_subr
 attach exphy at mii
 file dev/mii/exphy.c				exphy
diff --git a/sys/dev/mii/iophy.c b/sys/dev/mii/iophy.c
new file mode 100644
index 00000000000..07e84f3df3a
--- /dev/null
+++ b/sys/dev/mii/iophy.c
@@ -0,0 +1,326 @@
+/*	$OpenBSD: iophy.c,v 1.1 1999/10/12 16:59:29 jason Exp $	*/
+/*	$NetBSD: iophy.c,v 1.1 1999/09/05 00:40:27 soren Exp $	*/
+
+/*
+ * Copyright (c) 1998 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.
+ */
+
+/*
+ * Intel 82553 PHY driver
+ */
+
+#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 <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/iophyreg.h>
+
+int	iophymatch __P((struct device *, void *, void *));
+void	iophyattach __P((struct device *, struct device *, void *));
+
+struct cfdriver iophy_cd = {
+	NULL, "iophy", DV_DULL
+};
+
+struct cfattach iophy_ca = {
+	sizeof(struct mii_softc), iophymatch, iophyattach
+};
+
+int	iophy_service __P((struct mii_softc *, struct mii_data *, int));
+void	iophy_status __P((struct mii_softc *));
+
+int
+iophymatch(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_INTEL_ALT &&
+	    MII_MODEL(ma->mii_id2) == MII_MODEL_INTEL_ALT_I82553)
+		return (10);
+
+	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_INTEL &&
+	    MII_MODEL(ma->mii_id2) == MII_MODEL_INTEL_I82553)
+		return (10);
+
+	return (0);
+}
+
+void
+iophyattach(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_INTEL_I82553,
+	    MII_REV(ma->mii_id2));
+
+	sc->mii_inst = mii->mii_instance;
+	sc->mii_phy = ma->mii_phyno;
+	sc->mii_service = iophy_service;
+	sc->mii_pdata = mii;
+
+	/*
+	 * i82557 wedges if all of its PHYs are isolated!
+	 */
+	if (strcmp(parent->dv_cfdata->cf_driver->cd_name, "fxp") == 0 &&
+	    mii->mii_instance == 0)
+		sc->mii_flags |= MIIF_NOISOLATE;
+
+#define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
+
+	if ((sc->mii_flags & MIIF_NOISOLATE) == 0)
+		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
+		    BMCR_ISO);
+
+#if 0
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
+	    BMCR_LOOP|BMCR_S100);
+#endif
+
+	mii_phy_reset(sc);
+
+	sc->mii_capabilities =
+	    PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
+	printf("%s: ", sc->mii_dev.dv_xname);
+	if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0)
+		printf("no media present");
+	else
+		mii_add_media(mii, sc->mii_capabilities,
+		    sc->mii_inst);
+	printf("\n");
+#undef ADD
+}
+
+int
+iophy_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;
+
+	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:
+			/*
+			 * BMCR data is stored in the ifmedia entry.
+			 */
+			PHY_WRITE(sc, MII_ANAR,
+			    mii_anar(ife->ifm_media));
+			PHY_WRITE(sc, MII_BMCR, ife->ifm_data);
+		}
+		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);
+
+		/*
+		 * Is the interface even up?
+		 */
+		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
+			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;
+	}
+
+	/* Update the media status. */
+	iophy_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
+iophy_status(sc)
+	struct mii_softc *sc;
+{
+	struct mii_data *mii = sc->mii_pdata;
+	int bmsr, bmcr, ext0;
+
+	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) {
+		if ((bmsr & BMSR_ACOMP) == 0) {
+			/* Erg, still trying, I guess... */
+			mii->mii_media_active |= IFM_NONE;
+			return;
+		}
+		ext0 = PHY_READ(sc, MII_IOPHY_EXT0);
+
+		if (ext0 & EXT0_SPEED)
+			if (bmsr & BMSR_100T4) {
+				mii->mii_media_active |= IFM_100_T4;
+				return;
+			} else {
+				mii->mii_media_active |= IFM_100_TX;
+			}
+		else
+			mii->mii_media_active |= IFM_10_T;
+
+		if (ext0 & EXT0_DUPLEX)
+			mii->mii_media_active |= IFM_FDX;
+	} else
+		mii->mii_media_active = mii_media_from_bmcr(bmcr);
+}
diff --git a/sys/dev/mii/iophyreg.h b/sys/dev/mii/iophyreg.h
new file mode 100644
index 00000000000..4d263b47c12
--- /dev/null
+++ b/sys/dev/mii/iophyreg.h
@@ -0,0 +1,75 @@
+/*	$OpenBSD: iophyreg.h,v 1.1 1999/10/12 16:59:29 jason Exp $	*/
+/*	$NetBSD: iophyreg.h,v 1.2 1999/09/16 05:58:18 soren Exp $	*/
+
+/*
+ * Copyright (c) 1998, 1999 Soren S. Jorvang.
+ * 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 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 AUTHOR 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_IOPHYREG_H_
+#define	_DEV_MII_IOPHYREG_H_
+
+/*
+ * Intel 82553 PHY registers
+ */
+
+#define	MII_IOPHY_EXT0		0x10	/* Extended Register 0 */
+#define	EXT0_JABDIS		0x8000	/* jabber disabled */
+#define	EXT0_LINKDIS		0x4000	/* link integrity disable */
+#define	EXT0_TEST4		0x2000
+#define	EXT0_TEST3		0x1000
+#define	EXT0_TEST2		0x0800
+#define	EXT0_TEST1		0x0400
+#define	EXT0_TEST0		0x0200
+#define	EXT0_FORCE100		0x0100	/* force 100 Mbps operation */
+#define	EXT0_REVMASK		0x00e0	/* 82553 chip revision */
+#define	EXT0_HSQ		0x0010
+#define	EXT0_LSQ		0x0008
+#define	EXT0_WAKEUP		0x0004	/* disable auto power-down */
+#define	EXT0_SPEED		0x0002	/* current speed 10/100 */
+#define	EXT0_DUPLEX		0x0001	/* current duplex setting */
+
+#define	MII_IOPHY_EXT1		0x14	/* Extended Register 1 */
+#define	EXT1_PAIR_SKEW_ERR	0x8000	/* pair skew error */
+#define	EXT1_DC_BALANCE_ERR	0x4000	/* DC balance error */
+#define	EXT1_INVALID_CODE_ERR	0x2000	/* invalid code error */
+#define	EXT1_BAD_CODE_ERR	0x1000	/* bad code error */
+#define	EXT1_EOP_ERR		0x0800	/* EOP error */
+#define	EXT1_MANCHESTER_ERR	0x0400	/* Manchester code error */
+#define	EXT1_CH2_EOF_ERR	0x0200	/* channel 2 EOF detection error */
+#define	EXT1_DTE_MODE_SEL	0x0100	/* external DTE mode */
+#define	EXT1_LINE_RPTR_MODE_SEL	0x0080	/* line repeater mode */
+#define	EXT1_EXT_TEST_MODE_SEL	0x0040	/* external test mode */
+#define	EXT1_MII_RPTR_MODE_SEL	0x0020	/* MII repeater mode */
+#define	EXT1_CH2_POLARITY_ERR	0x0010	/* channel 2 polarity error */
+#define	EXT1_CH3_POLARITY_ERR	0x0008	/* channel 3 polarity error */
+#define	EXT1_CH4_POLARITY_ERR	0x0004	/* channel 4 polarity error */
+#define	EXT1_CH2_SFD_DETECT_ERR	0x0002	/* channel 2 SFD not found */
+
+#define	MII_IOPHY_EXT2		0x15	/* Extended Register 2 (C step only) */
+#define	EXT2_AUTONEG_SEL	0x8000	/* autonegotiation selected */
+#define	EXT2_CH3_SFD_ERR	0x4000	/* channel 3 SFD not found */
+#define	EXT2_CH4_SFD_ERR	0x2000	/* channel 4 SFD not found */
+
+#endif /* _DEV_MII_IOPHYREG_H_ */