static void
dcphy_status(struct mii_softc *sc)
{
struct mii_data *mii = sc->mii_pdata;
int reg, anlpar, tstat = 0;
struct dc_softc *dc_sc;
dc_sc = mii->mii_ifp->if_softc;
mii->mii_media_status = IFM_AVALID;
mii->mii_media_active = IFM_ETHER;
if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
return;
reg = CSR_READ_4(dc_sc, DC_10BTSTAT);
if (!(reg & DC_TSTAT_LS10) || !(reg & DC_TSTAT_LS100))
mii->mii_media_status |= IFM_ACTIVE;
if (CSR_READ_4(dc_sc, DC_10BTCTRL) & DC_TCTL_AUTONEGENBL) {
/* Erg, still trying, I guess... */
tstat = CSR_READ_4(dc_sc, DC_10BTSTAT);
if ((tstat & DC_TSTAT_ANEGSTAT) != DC_ASTAT_AUTONEGCMP) {
if ((DC_IS_MACRONIX(dc_sc) || DC_IS_PNICII(dc_sc)) &&
(tstat & DC_TSTAT_ANEGSTAT) == DC_ASTAT_DISABLE)
goto skip;
mii->mii_media_active |= IFM_NONE;
return;
}
if (tstat & DC_TSTAT_LP_CAN_NWAY) {
anlpar = tstat >> 16;
if (anlpar & ANLPAR_TX_FD &&
sc->mii_capabilities & BMSR_100TXFDX)
mii->mii_media_active |= IFM_100_TX | IFM_FDX;
else if (anlpar & ANLPAR_T4 &&
sc->mii_capabilities & BMSR_100T4)
mii->mii_media_active |= IFM_100_T4 | IFM_HDX;
else if (anlpar & ANLPAR_TX &&
sc->mii_capabilities & BMSR_100TXHDX)
mii->mii_media_active |= IFM_100_TX | IFM_HDX;
else if (anlpar & ANLPAR_10_FD)
mii->mii_media_active |= IFM_10_T | IFM_FDX;
else if (anlpar & ANLPAR_10)
mii->mii_media_active |= IFM_10_T | IFM_HDX;
else
mii->mii_media_active |= IFM_NONE;
if (DC_IS_INTEL(dc_sc))
DC_CLRBIT(dc_sc, DC_10BTCTRL,
DC_TCTL_AUTONEGENBL);
return;
}
int
dcphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
{
struct dc_softc *dc_sc;
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
int reg;
u_int32_t mode;
if ((sc->mii_dev.dv_flags & DVF_ACTIVE) == 0)
return (ENXIO);
dc_sc = mii->mii_ifp->if_softc;
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)
return (0);
/*
* If the interface is not up, don't do anything.
*/
if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
break;
sc->mii_flags = 0;
mii->mii_media_active = IFM_NONE;
mode = CSR_READ_4(dc_sc, DC_NETCFG);
mode &= ~(DC_NETCFG_FULLDUPLEX|DC_NETCFG_PORTSEL|
DC_NETCFG_PCS|DC_NETCFG_SCRAMBLER|DC_NETCFG_SPEEDSEL);
switch (IFM_SUBTYPE(ife->ifm_media)) {
case IFM_AUTO:
/*PHY_RESET(sc);*/
sc->mii_flags &= ~MIIF_DOINGAUTO;
(void) dcphy_mii_phy_auto(sc, 0);
break;
case IFM_100_TX:
PHY_RESET(sc);
DC_CLRBIT(dc_sc, DC_10BTCTRL, DC_TCTL_AUTONEGENBL);
mode |= DC_NETCFG_PORTSEL|DC_NETCFG_PCS|
DC_NETCFG_SCRAMBLER;
if ((ife->ifm_media & IFM_GMASK) == IFM_FDX)
mode |= DC_NETCFG_FULLDUPLEX;
else
mode &= ~DC_NETCFG_FULLDUPLEX;
CSR_WRITE_4(dc_sc, DC_NETCFG, mode);
break;
case IFM_10_T:
DC_CLRBIT(dc_sc, DC_SIARESET, DC_SIA_RESET);
DC_CLRBIT(dc_sc, DC_10BTCTRL, 0xFFFF);
if ((ife->ifm_media & IFM_GMASK) == IFM_FDX)
DC_SETBIT(dc_sc, DC_10BTCTRL, 0x7F3D);
else
DC_SETBIT(dc_sc, DC_10BTCTRL, 0x7F3F);
DC_SETBIT(dc_sc, DC_SIARESET, DC_SIA_RESET);
DC_CLRBIT(dc_sc, DC_10BTCTRL, DC_TCTL_AUTONEGENBL);
mode &= ~DC_NETCFG_PORTSEL;
mode |= DC_NETCFG_SPEEDSEL;
if ((ife->ifm_media & IFM_GMASK) == IFM_FDX)
mode |= DC_NETCFG_FULLDUPLEX;
else
mode &= ~DC_NETCFG_FULLDUPLEX;
CSR_WRITE_4(dc_sc, DC_NETCFG, mode);
break;
default:
return (EINVAL);
}
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;
reg = CSR_READ_4(dc_sc, DC_10BTSTAT);
if (!(reg & DC_TSTAT_LS10) || !(reg & DC_TSTAT_LS100))
break;
/*
* Only retry autonegotiation every mii_anegticks seconds.
*
* Otherwise, fall through to calling dcphy_status()
* since real Intel 21143 chips don't show valid link
* status until autonegotiation is switched off, and
* that only happens in dcphy_status(). Without this,
* successful autonegotiation is never recognised on
* these chips.
*/
if (++sc->mii_ticks <= sc->mii_anegticks)
break;
sc->mii_ticks = 0;
sc->mii_flags &= ~MIIF_DOINGAUTO;
dcphy_mii_phy_auto(sc, 0);
break;
}
/* Update the media status. */
mii_phy_status(sc);
/* Callback if something changed. */
mii_phy_update(sc, cmd);
return (0);
}
static void
dcphy_status(struct mii_softc *sc)
{
struct mii_data *mii = sc->mii_pdata;
int anlpar, tstat;
struct dc_softc *dc_sc;
dc_sc = mii->mii_ifp->if_softc;
mii->mii_media_status = IFM_AVALID;
mii->mii_media_active = IFM_ETHER;
if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
return;
tstat = CSR_READ_4(dc_sc, DC_10BTSTAT);
if (!(tstat & DC_TSTAT_LS10) || !(tstat & DC_TSTAT_LS100))
mii->mii_media_status |= IFM_ACTIVE;
if (CSR_READ_4(dc_sc, DC_10BTCTRL) & DC_TCTL_AUTONEGENBL) {
/* Erg, still trying, I guess... */
if ((tstat & DC_TSTAT_ANEGSTAT) != DC_ASTAT_AUTONEGCMP) {
if ((DC_IS_MACRONIX(dc_sc) || DC_IS_PNICII(dc_sc)) &&
(tstat & DC_TSTAT_ANEGSTAT) == DC_ASTAT_DISABLE)
goto skip;
mii->mii_media_active |= IFM_NONE;
return;
}
if (tstat & DC_TSTAT_LP_CAN_NWAY) {
anlpar = tstat >> 16;
if (anlpar & ANLPAR_TX_FD &&
sc->mii_capabilities & BMSR_100TXFDX)
mii->mii_media_active |= IFM_100_TX | IFM_FDX;
else if (anlpar & ANLPAR_T4 &&
sc->mii_capabilities & BMSR_100T4)
mii->mii_media_active |= IFM_100_T4 | IFM_HDX;
else if (anlpar & ANLPAR_TX &&
sc->mii_capabilities & BMSR_100TXHDX)
mii->mii_media_active |= IFM_100_TX | IFM_HDX;
else if (anlpar & ANLPAR_10_FD)
mii->mii_media_active |= IFM_10_T | IFM_FDX;
else if (anlpar & ANLPAR_10)
mii->mii_media_active |= IFM_10_T | IFM_HDX;
else
mii->mii_media_active |= IFM_NONE;
if (DC_IS_INTEL(dc_sc))
DC_CLRBIT(dc_sc, DC_10BTCTRL,
DC_TCTL_AUTONEGENBL);
return;
}
/*
* If the other side doesn't support NWAY, then the
* best we can do is determine if we have a 10Mbps or
* 100Mbps link. There's no way to know if the link
* is full or half duplex, so we default to half duplex
* and hope that the user is clever enough to manually
* change the media settings if we're wrong.
*/
if (!(tstat & DC_TSTAT_LS100))
mii->mii_media_active |= IFM_100_TX | IFM_HDX;
else if (!(tstat & DC_TSTAT_LS10))
mii->mii_media_active |= IFM_10_T | IFM_HDX;
else
mii->mii_media_active |= IFM_NONE;
if (DC_IS_INTEL(dc_sc))
DC_CLRBIT(dc_sc, DC_10BTCTRL, DC_TCTL_AUTONEGENBL);
return;
}
