Author: imp
Date: Mon Mar 30 16:01:09 2009
New Revision: 190558
URL: http://svn.freebsd.org/changeset/base/190558
Log:
New PHY driver for the internal PHY found in the AX88790. There's a
number of quirks for this device, and this implements just the basics.
The 2.5s powerdown recommended in the datasheet will be next...
Added:
head/sys/dev/mii/axphy.c (contents, props changed)
head/sys/dev/mii/axphyreg.h (contents, props changed)
Modified:
head/sys/conf/files
head/sys/modules/mii/Makefile
Modified: head/sys/conf/files
==============================================================================
--- head/sys/conf/files Mon Mar 30 15:01:29 2009 (r190557)
+++ head/sys/conf/files Mon Mar 30 16:01:09 2009 (r190558)
@@ -1103,6 +1103,7 @@ dev/mfi/mfi_cam.c optional mfip scbus
dev/mii/acphy.c optional miibus | acphy
dev/mii/amphy.c optional miibus | amphy
dev/mii/atphy.c optional miibus | atphy
+dev/mii/axphy.c optional miibus | axphy
dev/mii/bmtphy.c optional miibus | bmtphy
dev/mii/brgphy.c optional miibus | brgphy
dev/mii/ciphy.c optional miibus | ciphy
Added: head/sys/dev/mii/axphy.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/dev/mii/axphy.c Mon Mar 30 16:01:09 2009 (r190558)
@@ -0,0 +1,207 @@
+/*-
+ * Copyright (c) 2009, M. Warner Losh
+ * 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 unmodified, 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.
+ */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * driver for internal phy in the AX88x9x chips.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/socket.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 "miidevs.h"
+
+#include <dev/mii/axphyreg.h>
+
+#include "miibus_if.h"
+
+static int axphy_probe(device_t dev);
+static int axphy_attach(device_t dev);
+
+static device_method_t axphy_methods[] = {
+ /* device interface */
+ DEVMETHOD(device_probe, axphy_probe),
+ DEVMETHOD(device_attach, axphy_attach),
+ DEVMETHOD(device_detach, mii_phy_detach),
+ DEVMETHOD(device_shutdown, bus_generic_shutdown),
+ { 0, 0 }
+};
+
+static devclass_t axphy_devclass;
+
+static driver_t axphy_driver = {
+ "axphy",
+ axphy_methods,
+ sizeof(struct mii_softc)
+};
+
+DRIVER_MODULE(axphy, miibus, axphy_driver, axphy_devclass, 0, 0);
+
+static int axphy_service(struct mii_softc *, struct mii_data *, int);
+static void axphy_status(struct mii_softc *);
+
+static const struct mii_phydesc axphys[] = {
+ MII_PHY_DESC(ASIX, AX88X9X),
+ MII_PHY_END
+};
+
+static int
+axphy_probe(device_t dev)
+{
+
+ return (mii_phy_dev_probe(dev, axphys, BUS_PROBE_DEFAULT));
+}
+
+static int
+axphy_attach(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 = axphy_service;
+ sc->mii_pdata = mii;
+ sc->mii_flags |= MIIF_NOISOLATE;
+ mii->mii_instance++;
+
+ mii_phy_reset(sc);
+
+ sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
+ device_printf(dev, " ");
+ mii_phy_add_media(sc);
+ printf("\n");
+
+ MIIBUS_MEDIAINIT(sc->mii_dev);
+ mii_phy_setmedia(sc);
+
+ return (0);
+}
+
+static int
+axphy_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 (IFM_INST(ife->ifm_media) != sc->mii_inst)
+ return (0);
+ break;
+
+ case MII_MEDIACHG:
+ 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 (IFM_INST(ife->ifm_media) != sc->mii_inst)
+ return (0);
+ if (mii_phy_tick(sc) == EJUSTRETURN)
+ return (0);
+ break;
+ }
+
+ /* Update the media status. */
+ axphy_status(sc);
+
+ /* Callback if something changed. */
+ mii_phy_update(sc, cmd);
+ return (0);
+}
+
+static void
+axphy_status(struct mii_softc *sc)
+{
+ struct mii_data *mii = sc->mii_pdata;
+ struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
+ int bmsr, bmcr;
+
+ 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) {
+ mii->mii_media_active |= IFM_NONE;
+ return;
+ }
+
+#if 0
+ scr = PHY_READ(sc, MII_AXPHY_SCR);
+ if (scr & SCR_S100)
+ mii->mii_media_active |= IFM_100_TX;
+ else
+ mii->mii_media_active |= IFM_10_T;
+ if (scr & SCR_FDX)
+ mii->mii_media_active |= IFM_FDX;
+#endif
+ } else
+ mii->mii_media_active = ife->ifm_media;
+}
Added: head/sys/dev/mii/axphyreg.h
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/dev/mii/axphyreg.h Mon Mar 30 16:01:09 2009 (r190558)
@@ -0,0 +1,28 @@
+/*-
+ * Copyright (c) 2009, M. Warner Losh
+ * 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 unmodified, 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.
+ *
+ * $FreeBSD$
+ */
Modified: head/sys/modules/mii/Makefile
==============================================================================
--- head/sys/modules/mii/Makefile Mon Mar 30 15:01:29 2009
(r190557)
+++ head/sys/modules/mii/Makefile Mon Mar 30 16:01:09 2009
(r190558)
@@ -3,7 +3,8 @@
.PATH: ${.CURDIR}/../../dev/mii
KMOD= miibus
-SRCS= acphy.c amphy.c atphy.c bmtphy.c brgphy.c bus_if.h ciphy.c device_if.h
+SRCS= acphy.c amphy.c atphy.c axphy.c bmtphy.c brgphy.c bus_if.h
+SRCS+= ciphy.c device_if.h
SRCS+= e1000phy.c exphy.c gentbi.c icsphy.c inphy.c ip1000phy.c jmphy.c
SRCS+= lxtphy.c miibus_if.c miibus_if.h mii.c miidevs.h mii_physubr.c
SRCS+= mlphy.c nsgphy.c nsphy.c nsphyter.c pci_if.h pnaphy.c qsphy.c
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