diff options
Diffstat (limited to 'sys/dev/mii/pnaphy.c')
-rw-r--r-- | sys/dev/mii/pnaphy.c | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/sys/dev/mii/pnaphy.c b/sys/dev/mii/pnaphy.c deleted file mode 100644 index 67cf59dde3030..0000000000000 --- a/sys/dev/mii/pnaphy.c +++ /dev/null @@ -1,282 +0,0 @@ -/* - * Copyright (c) 2000 Berkeley Software Design, Inc. - * Copyright (c) 1997, 1998, 1999, 2000 - * Bill Paul <wpaul@osd.bsdi.com>. 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 Bill Paul. - * 4. Neither the name of the author nor the names of any co-contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD - * 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. - * - * $FreeBSD$ - */ - -/* - * driver for homePNA PHYs - * This is really just a stub that allows us to identify homePNA-based - * transceicers and display the link status. MII-based homePNA PHYs - * only support one media type and no autonegotiation. If we were - * really clever, we could tweak some of the vendor-specific registers - * to optimize the link. - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/malloc.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 <machine/clock.h> - -#include <dev/mii/mii.h> -#include <dev/mii/miivar.h> -#include <dev/mii/miidevs.h> - -#include "miibus_if.h" - -#if !defined(lint) -static const char rcsid[] = - "$FreeBSD$"; -#endif - -static int pnaphy_probe __P((device_t)); -static int pnaphy_attach __P((device_t)); -static int pnaphy_detach __P((device_t)); - -static device_method_t pnaphy_methods[] = { - /* device interface */ - DEVMETHOD(device_probe, pnaphy_probe), - DEVMETHOD(device_attach, pnaphy_attach), - DEVMETHOD(device_detach, pnaphy_detach), - DEVMETHOD(device_shutdown, bus_generic_shutdown), - { 0, 0 } -}; - -static devclass_t pnaphy_devclass; - -static driver_t pnaphy_driver = { - "pnaphy", - pnaphy_methods, - sizeof(struct mii_softc) -}; - -DRIVER_MODULE(pnaphy, miibus, pnaphy_driver, pnaphy_devclass, 0, 0); - -int pnaphy_service __P((struct mii_softc *, struct mii_data *, int)); - -static int -pnaphy_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_AMD && - MII_MODEL(ma->mii_id2) == MII_MODEL_AMD_79c978) { - device_set_desc(dev, MII_STR_AMD_79c978); - return(0); - } - - return(ENXIO); -} - -static int -pnaphy_attach(dev) - device_t dev; -{ - struct mii_softc *sc; - struct mii_attach_args *ma; - struct mii_data *mii; - const char *sep = ""; - - 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 = pnaphy_service; - sc->mii_pdata = mii; - - mii->mii_instance++; - - sc->mii_flags |= MIIF_NOISOLATE; - -#define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL) -#define PRINT(s) printf("%s%s", sep, s); sep = ", " - - mii_phy_reset(sc); - - sc->mii_capabilities = - PHY_READ(sc, MII_BMSR) & ma->mii_capmask; - device_printf(dev, " "); - if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0) - printf("no media present"); - else { - ADD(IFM_MAKEWORD(IFM_ETHER, IFM_homePNA, 0, sc->mii_inst), 0); - PRINT("HomePNA"); - } - ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst), - BMCR_ISO); - - printf("\n"); - -#undef ADD -#undef PRINT - - MIIBUS_MEDIAINIT(sc->mii_dev); - - return(0); -} - -static int pnaphy_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); -} - -int -pnaphy_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: - case IFM_10_T: - case IFM_100_TX: - case IFM_100_T4: - return (EINVAL); - 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. */ - ukphy_status(sc); - if (IFM_SUBTYPE(mii->mii_media_active) == IFM_10_T) - mii->mii_media_active = IFM_ETHER|IFM_homePNA; - - /* 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); -} |