Add QS6612, AC101 and LXT970 personal drivers and register definitions.

Obtained from:	NetBSD/OpenBSD

1 files changed, 392 insertions, 0 deletions

diff --git a/sys/dev/mii/lxtphy.c b/sys/dev/mii/lxtphy.c
new file mode 100644
index 0000000..d560107
--- /dev/null
+++ b/sys/dev/mii/lxtphy.c
@@ -0,0 +1,392 @@
+/*	OpenBSD: lxtphy.c,v 1.5 2000/08/26 20:04:17 nate Exp 	*/
+/*	NetBSD: lxtphy.c,v 1.19 2000/02/02 23:34:57 thorpej Exp 	*/
+
+/*-
+ * Copyright (c) 1998, 1999 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 Level One's LXT-970 ethernet 10/100 PHY
+ * datasheet from www.level1.com
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/socket.h>
+#include <sys/errno.h>
+#include <sys/module.h>
+#include <sys/bus.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/lxtphyreg.h>
+
+#include "miibus_if.h"
+
+#if !defined(lint)
+static const char rcsid[] =
+  "$FreeBSD$";
+#endif
+
+static int lxtphy_probe		__P((device_t));
+static int lxtphy_attach	__P((device_t));
+static int lxtphy_detach	__P((device_t));
+
+static device_method_t lxtphy_methods[] = {
+	/* device interface */
+	DEVMETHOD(device_probe,		lxtphy_probe),
+	DEVMETHOD(device_attach,	lxtphy_attach),
+	DEVMETHOD(device_detach,	lxtphy_detach),
+	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
+	{ 0, 0 }
+};
+
+static devclass_t lxtphy_devclass;
+
+static driver_t lxtphy_driver = {
+	"lxtphy",
+	lxtphy_methods,
+	sizeof(struct mii_softc)
+};
+
+DRIVER_MODULE(lxtphy, miibus, lxtphy_driver, lxtphy_devclass, 0, 0);
+
+static int	lxtphy_service __P((struct mii_softc *, struct mii_data *, int));
+static void	lxtphy_status __P((struct mii_softc *));
+static void	lxtphy_set_tp __P((struct mii_softc *));
+static void	lxtphy_set_fx __P((struct mii_softc *));
+
+static int lxtphy_probe(dev)
+	device_t		dev;
+{
+	struct mii_attach_args *ma;
+
+	ma = device_get_ivars(dev);
+
+	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxLEVEL1 &&
+	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxLEVEL1_LXT970) {
+		device_set_desc(dev, MII_STR_xxLEVEL1_LXT970);
+	} else
+		return (ENXIO);
+
+	return (0);
+}
+
+static int lxtphy_attach(dev)
+	device_t		dev;
+{
+	struct mii_softc *sc;
+	struct mii_attach_args *ma;
+	struct mii_data *mii;
+
+	sc = device_get_softc(dev);
+	ma = device_get_ivars(dev);
+	sc->mii_dev = device_get_parent(dev);
+	mii = device_get_softc(sc->mii_dev);
+	LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
+
+	sc->mii_inst = mii->mii_instance;
+	sc->mii_phy = ma->mii_phyno;
+	sc->mii_service = lxtphy_service;
+	sc->mii_pdata = mii;
+	sc->mii_flags |= MIIF_NOISOLATE;
+
+	mii_phy_reset(sc);
+
+	mii->mii_instance++;
+
+	sc->mii_capabilities =
+	    PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
+	device_printf(dev, " ");
+
+#define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
+	    BMCR_ISO);
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, 0, sc->mii_inst),
+	    BMCR_S100);
+	printf("100baseFX, ");
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, IFM_FDX, sc->mii_inst),
+	    BMCR_S100|BMCR_FDX);
+	printf("100baseFX-FDX, ");
+#undef ADD
+
+	if (sc->mii_capabilities & BMSR_MEDIAMASK)
+		mii_add_media(mii, sc->mii_capabilities,
+		    sc->mii_inst);
+	printf("\n");
+
+	MIIBUS_MEDIAINIT(sc->mii_dev);
+	return(0);
+}
+
+
+static int lxtphy_detach(dev)
+	device_t		dev;
+{
+	struct mii_softc *sc;
+	struct mii_data *mii;
+
+	sc = device_get_softc(dev);
+	mii = device_get_softc(device_get_parent(dev));
+	sc->mii_dev = NULL;
+	LIST_REMOVE(sc, mii_list);
+
+	return(0);
+}
+
+static int
+lxtphy_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);
+
+			lxtphy_set_tp(sc);
+
+			(void) mii_phy_auto(sc, 1);
+			break;
+		case IFM_100_T4:
+			/*
+			 * XXX Not supported as a manual setting right now.
+			 */
+			return (EINVAL);
+
+		case IFM_100_FX:
+			lxtphy_set_fx(sc);
+
+		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. */
+	lxtphy_status(sc);
+
+	/* Callback if something changed. */
+	if (sc->mii_active != mii->mii_media_active || cmd == MII_MEDIACHG) {
+		MIIBUS_STATCHG(sc->mii_dev);
+		sc->mii_active = mii->mii_media_active;
+	}
+	return (0);
+}
+
+static void
+lxtphy_status(sc)
+	struct mii_softc *sc;
+{
+	struct mii_data *mii = sc->mii_pdata;
+	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
+	int bmcr, bmsr, csr;
+
+	mii->mii_media_status = IFM_AVALID;
+	mii->mii_media_active = IFM_ETHER;
+
+	/*
+	 * Get link status from the CSR; we need to read the CSR
+	 * for media type anyhow, and the link status in the CSR
+	 * doens't latch, so fewer register reads are required.
+	 */
+	csr = PHY_READ(sc, MII_LXTPHY_CSR);
+	if (csr & CSR_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) {
+		bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
+		if ((bmsr & BMSR_ACOMP) == 0) {
+			/* Erg, still trying, I guess... */
+			mii->mii_media_active |= IFM_NONE;
+			return;
+		}
+		if (csr & CSR_SPEED)
+			mii->mii_media_active |= IFM_100_TX;
+		else
+			mii->mii_media_active |= IFM_10_T;
+		if (csr & CSR_DUPLEX)
+			mii->mii_media_active |= IFM_FDX;
+	} else
+		mii->mii_media_active = ife->ifm_media;
+}
+
+static void
+lxtphy_set_tp(sc)
+	struct mii_softc *sc;
+{
+	int cfg;
+
+	cfg = PHY_READ(sc, MII_LXTPHY_CONFIG);
+	cfg &= ~CONFIG_100BASEFX;
+	PHY_WRITE(sc, MII_LXTPHY_CONFIG, cfg);
+}
+
+static void
+lxtphy_set_fx(sc)
+	struct mii_softc *sc;
+{
+	int cfg;
+
+	cfg = PHY_READ(sc, MII_LXTPHY_CONFIG);
+	cfg |= CONFIG_100BASEFX;
+	PHY_WRITE(sc, MII_LXTPHY_CONFIG, cfg);
+}
+