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authorBrad Smith <brad@cvs.openbsd.org>2004-10-07 22:24:32 +0000
committerBrad Smith <brad@cvs.openbsd.org>2004-10-07 22:24:32 +0000
commit85cee7ce9bc16ec4db641b6fdbc499f8e76e760f (patch)
treeced1e025bc57ef86cd0292b1fce0722e8a22cb06 /sys/dev
parent76f6bf362addbda005740e01681d9fea83d7fbf6 (diff)
Add driver for generic ten-bit interfaces (1000BASE-{LX,SX} fibre interfaces)
From NetBSD ok mcbride@
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/mii/files.mii6
-rw-r--r--sys/dev/mii/gentbi.c293
2 files changed, 298 insertions, 1 deletions
diff --git a/sys/dev/mii/files.mii b/sys/dev/mii/files.mii
index af36b07da82..40dcebf00fb 100644
--- a/sys/dev/mii/files.mii
+++ b/sys/dev/mii/files.mii
@@ -1,4 +1,4 @@
-# $OpenBSD: files.mii,v 1.21 2004/06/05 05:49:29 pvalchev Exp $
+# $OpenBSD: files.mii,v 1.22 2004/10/07 22:24:31 brad 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 nsphyter: mii_phy
attach nsphyter at mii
file dev/mii/nsphyter.c nsphyter
+device gentbi: mii_phy
+attach gentbi at mii
+file dev/mii/gentbi.c gentbi
+
device qsphy: mii_phy
attach qsphy at mii
file dev/mii/qsphy.c qsphy
diff --git a/sys/dev/mii/gentbi.c b/sys/dev/mii/gentbi.c
new file mode 100644
index 00000000000..169724f440a
--- /dev/null
+++ b/sys/dev/mii/gentbi.c
@@ -0,0 +1,293 @@
+/* $OpenBSD: gentbi.c,v 1.1 2004/10/07 22:24:31 brad Exp $ */
+/* $NetBSD: gentbi.c,v 1.12 2004/04/11 15:40:56 thorpej Exp $ */
+
+/*-
+ * Copyright (c) 1998, 1999, 2000, 2001 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 generic ten-bit (1000BASE-SX) interfaces, built in to
+ * many Gigabit Ethernet chips.
+ *
+ * All we have to do here is correctly report speed and duplex.
+ */
+
+#if 0
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: gentbi.c,v 1.12 2004/04/11 15:40:56 thorpej Exp $");
+#endif
+
+#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>
+
+int gentbimatch(struct device *, void *, void *);
+void gentbiattach(struct device *, struct device *, void *);
+
+struct cfattach gentbi_ca = {
+ sizeof(struct mii_softc), gentbimatch, gentbiattach,
+ mii_phy_detach, mii_phy_activate
+};
+
+struct cfdriver gentbi_cd = {
+ NULL, "gentbi", DV_DULL
+};
+
+int gentbi_service(struct mii_softc *, struct mii_data *, int);
+void gentbi_status(struct mii_softc *);
+
+const struct mii_phy_funcs gentbi_funcs = {
+ gentbi_service, gentbi_status, mii_phy_reset,
+};
+
+int
+gentbimatch(struct device *parent, void *match, void *aux)
+{
+ struct mii_attach_args *ma = aux;
+ struct mii_data *mii = ma->mii_data;
+ int bmsr, extsr;
+
+ /*
+ * We match as a generic TBI if:
+ *
+ * - There is no media in the BMSR.
+ * - EXTSR has only 1000X.
+ */
+ bmsr = (*mii->mii_readreg)(parent, ma->mii_phyno, MII_BMSR);
+ if ((bmsr & BMSR_EXTSTAT) == 0 || (bmsr & BMSR_MEDIAMASK) != 0)
+ return (0);
+
+ extsr = (*mii->mii_readreg)(parent, ma->mii_phyno, MII_EXTSR);
+ if (extsr & (EXTSR_1000TFDX|EXTSR_1000THDX))
+ return (0);
+
+ if (extsr & (EXTSR_1000XFDX|EXTSR_1000XHDX)) {
+ /*
+ * We think this is a generic TBI. Return a match
+ * priority higher than ukphy, but lower than what
+ * specific drivers will return.
+ */
+ return (2);
+ }
+
+ return (0);
+}
+
+void
+gentbiattach(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(": Generic ten-bit interface, rev. %d\n",
+ MII_REV(ma->mii_id2));
+
+ sc->mii_inst = mii->mii_instance;
+ sc->mii_phy = ma->mii_phyno;
+ sc->mii_funcs = &gentbi_funcs;
+ sc->mii_pdata = mii;
+ sc->mii_flags = ma->mii_flags;
+ sc->mii_anegticks = 5;
+
+ PHY_RESET(sc);
+
+ /*
+ * Mask out all media in the BMSR. We only are really interested
+ * in "auto".
+ */
+ sc->mii_capabilities =
+ PHY_READ(sc, MII_BMSR) & ma->mii_capmask & ~BMSR_MEDIAMASK;
+ if (sc->mii_capabilities & BMSR_EXTSTAT)
+ sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
+
+ printf("%s: ", sc->mii_dev.dv_xname);
+ if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 &&
+ (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0)
+ printf("no media present");
+ else
+ mii_phy_add_media(sc);
+ printf("\n");
+}
+
+int
+gentbi_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
+gentbi_status(struct mii_softc *sc)
+{
+ struct mii_data *mii = sc->mii_pdata;
+ struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
+ int bmsr, bmcr, anlpar;
+
+ 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 media 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;
+ }
+
+ /*
+ * The media is always 1000baseSX. Check the ANLPAR to
+ * see if we're doing full-duplex.
+ */
+ mii->mii_media_active |= IFM_1000_SX;
+
+ anlpar = PHY_READ(sc, MII_ANLPAR);
+ if ((sc->mii_extcapabilities & EXTSR_1000XFDX) != 0 &&
+ (anlpar & ANLPAR_X_FD) != 0)
+ mii->mii_media_active |=
+ IFM_FDX;
+ } else
+ mii->mii_media_active = ife->ifm_media;
+}