altima 101/101L phy from netbsd via freebsd; hugh@ testing

1 files changed, 232 insertions, 0 deletions

diff --git a/sys/dev/mii/acphy.c b/sys/dev/mii/acphy.c
new file mode 100644
index 00000000000..a1ec0e2fa1d
--- /dev/null
+++ b/sys/dev/mii/acphy.c
@@ -0,0 +1,232 @@
+/*	$OpenBSD: acphy.c,v 1.1 2003/08/12 19:42:37 mickey Exp $	*/
+/*	$NetBSD: acphy.c,v 1.13 2003/04/29 01:49:33 thorpej Exp $	*/
+
+/*
+ * Copyright 2001 Wasabi Systems, Inc.
+ * All rights reserved.
+ *
+ * Written by Jason R. Thorpe for Wasabi Systems, Inc.
+ *
+ * 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 for the NetBSD Project by
+ *	Wasabi Systems, Inc.
+ * 4. The name of Wasabi Systems, Inc. may not be used to endorse
+ *    or promote products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
+ * 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 the Altima AC101 PHY.
+ */
+
+#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>
+
+#include <dev/mii/acphyreg.h>
+
+int	acphymatch(struct device *, void *, void *);
+void	acphyattach(struct device *, struct device *, void *);
+
+struct cfattach acphy_ca = {
+	sizeof(struct mii_softc), acphymatch, acphyattach, mii_phy_detach,
+	    mii_phy_activate
+};
+
+struct cfdriver acphy_cd = {
+	NULL, "acphy", DV_DULL
+};
+
+int	acphy_service(struct mii_softc *, struct mii_data *, int);
+void	acphy_status(struct mii_softc *);
+
+int
+acphymatch(struct device *parent, void *match, void *aux)
+{
+	struct mii_attach_args *ma = aux;
+
+	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxALTIMA &&
+	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxALTIMA_AC101)
+		return (10);
+	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxALTIMA &&
+	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxALTIMA_AC101L)
+		return (10);
+
+	return (0);
+}
+
+void
+acphyattach(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(": %s, rev. %d\n", MII_STR_xxALTIMA_AC101, MII_REV(ma->mii_id2));
+
+	sc->mii_inst = mii->mii_instance;
+	sc->mii_phy = ma->mii_phyno;
+	sc->mii_service = acphy_service;
+	sc->mii_status = acphy_status;
+	sc->mii_pdata = mii;
+	sc->mii_flags = ma->mii_flags;
+	sc->mii_anegticks = 5;
+
+	mii_phy_reset(sc);
+
+	/*
+	 * XXX Check MCR_FX_SEL to set MIIF_HAVE_FIBER?
+	 */
+
+	sc->mii_capabilities =
+	    PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
+
+#define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
+	if (sc->mii_flags & MIIF_HAVEFIBER) {
+		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, 0, sc->mii_inst),
+		    MII_MEDIA_100_TX);
+		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, IFM_FDX, sc->mii_inst),
+		    MII_MEDIA_100_TX);
+	}
+#undef ADD
+
+	if (sc->mii_capabilities & BMSR_MEDIAMASK)
+		mii_phy_add_media(sc);
+}
+
+int
+acphy_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
+acphy_status(struct mii_softc *sc)
+{
+	struct mii_data *mii = sc->mii_pdata;
+	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
+	int bmsr, bmcr, dr;
+
+	mii->mii_media_status = IFM_AVALID;
+	mii->mii_media_active = IFM_ETHER;
+
+	bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
+	dr = PHY_READ(sc, MII_ACPHY_DR);
+
+	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 if autonegotiation
+		 * has completed (or it's disabled).
+		 */
+		if ((bmsr & BMSR_ACOMP) == 0) {
+			/* Erg, still trying, I guess... */
+			mii->mii_media_active |= IFM_NONE;
+			return;
+		}
+
+		if (dr & DR_SPEED)
+			mii->mii_media_active |= IFM_100_TX;
+		else
+			mii->mii_media_active |= IFM_10_T;
+		if (dr & DR_DPLX)
+			mii->mii_media_active |= IFM_FDX;
+	} else
+		mii->mii_media_active = ife->ifm_media;
+}