TL_ACOMMIT
tx_thresh = tl_dio_read8(sc, TL_ACOMMIT) & TL_AC_TXTHRESH;
tl_dio_clrbit(sc, TL_ACOMMIT, TL_AC_TXTHRESH);
tl_dio_setbit(sc, TL_ACOMMIT, tx_thresh << 4);
tl_dio_clrbit(sc, TL_ACOMMIT, TL_AC_TXTHRESH);
tl_dio_setbit(sc, TL_ACOMMIT, TL_AC_TXTHRESH_16LONG);
if (tl_dio_read8(sc, TL_ACOMMIT) & TL_AC_MTXD1)
if (tl_dio_read8(sc, TL_ACOMMIT) & TL_AC_MTXD3)
tl_dio_setbit(sc, TL_ACOMMIT, TL_AC_MTXD1);
tl_dio_clrbit(sc, TL_ACOMMIT, TL_AC_MTXD1);
tl_dio_clrbit(sc, TL_ACOMMIT, TL_AC_MTXD3);
tl_dio_setbit(sc, TL_ACOMMIT, TL_AC_MTXD3);