Exemplo n.º 1
0
static int
brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
{
	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
	int val;

	switch (cmd) {
	case MII_POLLSTAT:
		break;
	case MII_MEDIACHG:
		/* If the interface is not up, don't do anything. */
		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
			break;

		/* Todo: Why is this here?  Is it really needed? */
		PHY_RESET(sc);	/* XXX hardware bug work-around */

		switch (IFM_SUBTYPE(ife->ifm_media)) {
		case IFM_AUTO:
			brgphy_mii_phy_auto(sc, ife->ifm_media);
			break;
		case IFM_2500_SX:
		case IFM_1000_SX:
		case IFM_1000_T:
		case IFM_100_TX:
		case IFM_10_T:
			brgphy_setmedia(sc, ife->ifm_media);
			break;
		default:
			return (EINVAL);
		}
		break;
	case MII_TICK:
		/* Bail if the interface isn't up. */
		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
			return (0);


		/* Bail if autoneg isn't in process. */
		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
			sc->mii_ticks = 0;
			break;
		}

		/*
		 * Check to see if we have link.  If we do, we don't
		 * need to restart the autonegotiation process.
		 */
		val = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
		if (val & BMSR_LINK) {
			sc->mii_ticks = 0;	/* Reset autoneg timer. */
			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;


		/* Retry autonegotiation */
		sc->mii_ticks = 0;
		brgphy_mii_phy_auto(sc, ife->ifm_media);
		break;
	}

	/* Update the media status. */
	PHY_STATUS(sc);

	/*
	 * Callback if something changed. Note that we need to poke
	 * the DSP on the Broadcom PHYs if the media changes.
	 */
	if (sc->mii_media_active != mii->mii_media_active ||
	    sc->mii_media_status != mii->mii_media_status ||
	    cmd == MII_MEDIACHG) {
		switch (sc->mii_mpd_oui) {
		case MII_OUI_BROADCOM:
			switch (sc->mii_mpd_model) {
			case MII_MODEL_BROADCOM_BCM5400:
				bcm5401_load_dspcode(sc);
				break;
			case MII_MODEL_BROADCOM_BCM5401:
				if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3)
					bcm5401_load_dspcode(sc);
				break;
			case MII_MODEL_BROADCOM_BCM5411:
				bcm5411_load_dspcode(sc);
				break;
			case MII_MODEL_BROADCOM_BCM54K2:
				bcm54k2_load_dspcode(sc);
				break;
			}
			break;
		}
	}
	mii_phy_update(sc, cmd);
	return (0);
}
Exemplo n.º 2
0
static int
brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
{
	struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
	int error = 0;
	int val;

	switch (cmd) {
	case MII_POLLSTAT:
		/* If we're not polling our PHY instance, just return. */
		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
			goto brgphy_service_exit;
		break;
	case MII_MEDIACHG:
		/*
		 * If the media indicates a different PHY instance,
		 * isolate ourselves.
		 */
		if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
			PHY_WRITE(sc, MII_BMCR,
			    PHY_READ(sc, MII_BMCR) | BMCR_ISO);
			goto brgphy_service_exit;
		}

		/* If the interface is not up, don't do anything. */
		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
			break;

		/* Todo: Why is this here?  Is it really needed? */
		brgphy_reset(sc);	/* XXX hardware bug work-around */

		switch (IFM_SUBTYPE(ife->ifm_media)) {
		case IFM_AUTO:
			brgphy_mii_phy_auto(sc);
			break;
		case IFM_2500_SX:
		case IFM_1000_SX:
		case IFM_1000_T:
		case IFM_100_TX:
		case IFM_10_T:
			brgphy_setmedia(sc, ife->ifm_media,
			    mii->mii_ifp->if_flags & IFF_LINK0);
			break;
		default:
			error = EINVAL;
			goto brgphy_service_exit;
		}
		break;
	case MII_TICK:
		/* Bail if we're not currently selected. */
		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
			goto brgphy_service_exit;

		/* Bail if the interface isn't up. */
		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
			goto brgphy_service_exit;


		/* Bail if autoneg isn't in process. */
		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
			sc->mii_ticks = 0;
			break;
		}

		/*
		 * Check to see if we have link.  If we do, we don't
		 * need to restart the autonegotiation process.
		 */
		val	= PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
		if (val & BMSR_LINK) {
			sc->mii_ticks = 0;	/* Reset autoneg timer. */
			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;


		/* Retry autonegotiation */
		sc->mii_ticks = 0;
		brgphy_mii_phy_auto(sc);
		break;
	}

	/* Update the media status. */
	brgphy_status(sc);

	/*
	 * Callback if something changed. Note that we need to poke
	 * the DSP on the Broadcom PHYs if the media changes.
	 */
	if (sc->mii_media_active != mii->mii_media_active ||
	    sc->mii_media_status != mii->mii_media_status ||
	    cmd == MII_MEDIACHG) {
		switch (bsc->mii_oui) {
		case MII_OUI_BROADCOM:
			break;
		case MII_OUI_xxBROADCOM:
			switch (bsc->mii_model) {
			case MII_MODEL_xxBROADCOM_BCM5400:
				bcm5401_load_dspcode(sc);
				break;
			case MII_MODEL_xxBROADCOM_BCM5401:
				if (bsc->mii_rev == 1 || bsc->mii_rev == 3)
					bcm5401_load_dspcode(sc);
				break;
			case MII_MODEL_xxBROADCOM_BCM5411:
				bcm5411_load_dspcode(sc);
				break;
			}
			break;
		case MII_OUI_xxBROADCOM_ALT1:
			break;
		}
	}
	mii_phy_update(sc, cmd);
brgphy_service_exit:
	return (error);
}