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...
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1fa80eb15c
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5fb1afd722
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=190558
@ -1103,6 +1103,7 @@ dev/mfi/mfi_cam.c optional mfip scbus
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dev/mii/acphy.c optional miibus | acphy
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dev/mii/amphy.c optional miibus | amphy
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dev/mii/atphy.c optional miibus | atphy
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dev/mii/axphy.c optional miibus | axphy
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dev/mii/bmtphy.c optional miibus | bmtphy
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dev/mii/brgphy.c optional miibus | brgphy
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dev/mii/ciphy.c optional miibus | ciphy
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207
sys/dev/mii/axphy.c
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207
sys/dev/mii/axphy.c
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/*-
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* Copyright (c) 2009, M. Warner Losh
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* driver for internal phy in the AX88x9x chips.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/socket.h>
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#include <sys/bus.h>
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#include <net/if.h>
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#include <net/if_media.h>
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#include <dev/mii/mii.h>
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#include <dev/mii/miivar.h>
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#include "miidevs.h"
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#include <dev/mii/axphyreg.h>
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#include "miibus_if.h"
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static int axphy_probe(device_t dev);
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static int axphy_attach(device_t dev);
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static device_method_t axphy_methods[] = {
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/* device interface */
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DEVMETHOD(device_probe, axphy_probe),
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DEVMETHOD(device_attach, axphy_attach),
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DEVMETHOD(device_detach, mii_phy_detach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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{ 0, 0 }
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};
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static devclass_t axphy_devclass;
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static driver_t axphy_driver = {
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"axphy",
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axphy_methods,
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sizeof(struct mii_softc)
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};
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DRIVER_MODULE(axphy, miibus, axphy_driver, axphy_devclass, 0, 0);
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static int axphy_service(struct mii_softc *, struct mii_data *, int);
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static void axphy_status(struct mii_softc *);
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static const struct mii_phydesc axphys[] = {
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MII_PHY_DESC(ASIX, AX88X9X),
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MII_PHY_END
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};
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static int
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axphy_probe(device_t dev)
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{
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return (mii_phy_dev_probe(dev, axphys, BUS_PROBE_DEFAULT));
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}
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static int
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axphy_attach(device_t dev)
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{
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struct mii_softc *sc;
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struct mii_attach_args *ma;
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struct mii_data *mii;
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sc = device_get_softc(dev);
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ma = device_get_ivars(dev);
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sc->mii_dev = device_get_parent(dev);
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mii = device_get_softc(sc->mii_dev);
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LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
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sc->mii_inst = mii->mii_instance;
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sc->mii_phy = ma->mii_phyno;
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sc->mii_service = axphy_service;
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sc->mii_pdata = mii;
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sc->mii_flags |= MIIF_NOISOLATE;
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mii->mii_instance++;
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mii_phy_reset(sc);
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sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
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device_printf(dev, " ");
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mii_phy_add_media(sc);
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printf("\n");
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MIIBUS_MEDIAINIT(sc->mii_dev);
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mii_phy_setmedia(sc);
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return (0);
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}
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static int
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axphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
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{
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struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
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int reg;
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switch (cmd) {
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case MII_POLLSTAT:
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if (IFM_INST(ife->ifm_media) != sc->mii_inst)
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return (0);
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break;
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case MII_MEDIACHG:
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if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
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reg = PHY_READ(sc, MII_BMCR);
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PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
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return (0);
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}
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/*
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* If the interface is not up, don't do anything.
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*/
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if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
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break;
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mii_phy_setmedia(sc);
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break;
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case MII_TICK:
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if (IFM_INST(ife->ifm_media) != sc->mii_inst)
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return (0);
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if (mii_phy_tick(sc) == EJUSTRETURN)
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return (0);
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break;
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}
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/* Update the media status. */
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axphy_status(sc);
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/* Callback if something changed. */
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mii_phy_update(sc, cmd);
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return (0);
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}
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static void
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axphy_status(struct mii_softc *sc)
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{
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struct mii_data *mii = sc->mii_pdata;
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struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
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int bmsr, bmcr;
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mii->mii_media_status = IFM_AVALID;
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mii->mii_media_active = IFM_ETHER;
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bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
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if (bmsr & BMSR_LINK)
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mii->mii_media_status |= IFM_ACTIVE;
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bmcr = PHY_READ(sc, MII_BMCR);
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if (bmcr & BMCR_ISO) {
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mii->mii_media_active |= IFM_NONE;
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mii->mii_media_status = 0;
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return;
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}
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if (bmcr & BMCR_LOOP)
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mii->mii_media_active |= IFM_LOOP;
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if (bmcr & BMCR_AUTOEN) {
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if ((bmsr & BMSR_ACOMP) == 0) {
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mii->mii_media_active |= IFM_NONE;
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return;
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}
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#if 0
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scr = PHY_READ(sc, MII_AXPHY_SCR);
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if (scr & SCR_S100)
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mii->mii_media_active |= IFM_100_TX;
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else
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mii->mii_media_active |= IFM_10_T;
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if (scr & SCR_FDX)
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mii->mii_media_active |= IFM_FDX;
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#endif
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} else
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mii->mii_media_active = ife->ifm_media;
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}
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28
sys/dev/mii/axphyreg.h
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28
sys/dev/mii/axphyreg.h
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@ -0,0 +1,28 @@
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/*-
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* Copyright (c) 2009, M. Warner Losh
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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@ -3,7 +3,8 @@
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.PATH: ${.CURDIR}/../../dev/mii
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KMOD= miibus
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SRCS= acphy.c amphy.c atphy.c bmtphy.c brgphy.c bus_if.h ciphy.c device_if.h
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SRCS= acphy.c amphy.c atphy.c axphy.c bmtphy.c brgphy.c bus_if.h
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SRCS+= ciphy.c device_if.h
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SRCS+= e1000phy.c exphy.c gentbi.c icsphy.c inphy.c ip1000phy.c jmphy.c
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SRCS+= lxtphy.c miibus_if.c miibus_if.h mii.c miidevs.h mii_physubr.c
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SRCS+= mlphy.c nsgphy.c nsphy.c nsphyter.c pci_if.h pnaphy.c qsphy.c
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