static int ip1000phy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) { struct ifmedia_entry *ife = mii->mii_media.ifm_cur; uint32_t gig, reg, speed; switch (cmd) { case MII_POLLSTAT: break; case MII_MEDIACHG: PHY_RESET(sc); switch (IFM_SUBTYPE(ife->ifm_media)) { case IFM_AUTO: (void)ip1000phy_mii_phy_auto(sc, ife->ifm_media); goto done; case IFM_1000_T: /* * XXX * Manual 1000baseT setting doesn't seem to work. */ speed = IP1000PHY_BMCR_1000; break; case IFM_100_TX: speed = IP1000PHY_BMCR_100; break; case IFM_10_T: speed = IP1000PHY_BMCR_10; break; default: return (EINVAL); } if ((ife->ifm_media & IFM_FDX) != 0) { speed |= IP1000PHY_BMCR_FDX; gig = IP1000PHY_1000CR_1000T_FDX; } else gig = IP1000PHY_1000CR_1000T; if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T) { gig |= IP1000PHY_1000CR_MASTER | IP1000PHY_1000CR_MANUAL; if ((ife->ifm_media & IFM_ETH_MASTER) != 0) gig |= IP1000PHY_1000CR_MMASTER; } else gig = 0; PHY_WRITE(sc, IP1000PHY_MII_1000CR, gig); PHY_WRITE(sc, IP1000PHY_MII_BMCR, speed); done: break; case MII_TICK: /* * Only used for autonegotiation. */ if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) { sc->mii_ticks = 0; break; } /* * check for link. */ reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR); if (reg & BMSR_LINK) { sc->mii_ticks = 0; break; } /* Announce link loss right after it happens */ if (sc->mii_ticks++ == 0) break; /* * Only retry autonegotiation every mii_anegticks seconds. */ if (sc->mii_ticks <= sc->mii_anegticks) break; sc->mii_ticks = 0; ip1000phy_mii_phy_auto(sc, ife->ifm_media); break; } /* Update the media status. */ PHY_STATUS(sc); /* Callback if something changed. */ mii_phy_update(sc, cmd); return (0); }
static int ip1000phy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) { struct ifmedia_entry *ife = mii->mii_media.ifm_cur; uint32_t gig, reg, speed; 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, IP1000PHY_MII_BMCR); PHY_WRITE(sc, IP1000PHY_MII_BMCR, reg | IP1000PHY_BMCR_ISO); return (0); } /* * If the interface is not up, don't do anything. */ if ((mii->mii_ifp->if_flags & IFF_UP) == 0) break; ip1000phy_reset(sc); switch (IFM_SUBTYPE(ife->ifm_media)) { case IFM_AUTO: ip1000phy_mii_phy_auto(sc); goto done; case IFM_1000_T: /* * XXX * Manual 1000baseT setting doesn't seem to work. */ speed = IP1000PHY_BMCR_1000; break; case IFM_100_TX: speed = IP1000PHY_BMCR_100; break; case IFM_10_T: speed = IP1000PHY_BMCR_10; break; default: return (EINVAL); } if (((ife->ifm_media & IFM_GMASK) & IFM_FDX) != 0) { speed |= IP1000PHY_BMCR_FDX; gig = IP1000PHY_1000CR_1000T_FDX; } else { gig = IP1000PHY_1000CR_1000T; } PHY_WRITE(sc, IP1000PHY_MII_1000CR, 0); PHY_WRITE(sc, IP1000PHY_MII_BMCR, speed); if (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T) break; PHY_WRITE(sc, IP1000PHY_MII_1000CR, gig); PHY_WRITE(sc, IP1000PHY_MII_BMCR, speed); /* * When settning the link manually, one side must * be the master and the other the slave. However * ifmedia doesn't give us a good way to specify * this, so we fake it by using one of the LINK * flags. If LINK0 is set, we program the PHY to * be a master, otherwise it's a slave. */ if ((mii->mii_ifp->if_flags & IFF_LINK0)) { PHY_WRITE(sc, IP1000PHY_MII_1000CR, gig | IP1000PHY_1000CR_MASTER | IP1000PHY_1000CR_MMASTER | IP1000PHY_1000CR_MANUAL); } else { PHY_WRITE(sc, IP1000PHY_MII_1000CR, gig | IP1000PHY_1000CR_MASTER | IP1000PHY_1000CR_MANUAL); } done: break; case MII_TICK: /* * If we're not currently selected, just return. */ if (IFM_INST(ife->ifm_media) != sc->mii_inst) return (0); /* * Is the interface even up? */ if ((mii->mii_ifp->if_flags & IFF_UP) == 0) return (0); /* * Only used for autonegotiation. */ if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) break; /* * check for link. */ reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR); if (reg & BMSR_LINK) { sc->mii_ticks = 0; break; } /* Announce link loss right after it happens */ if (sc->mii_ticks++ == 0) break; /* * Only retry autonegotiation every mii_anegticks seconds. */ if (sc->mii_ticks <= sc->mii_anegticks) return (0); sc->mii_ticks = 0; ip1000phy_mii_phy_auto(sc); break; } /* Update the media status. */ ip1000phy_status(sc); /* Callback if something changed. */ mii_phy_update(sc, cmd); return (0); }