T4D_AINTEN_B
val = inl(TRID_REG(trident, T4D_AINTEN_B));
outl(val, TRID_REG(trident, T4D_AINTEN_B));
outl(0, TRID_REG(trident, T4D_AINTEN_B));
val = inl(TRID_REG(trident, T4D_AINTEN_B));
outl(val & ~mask[1], TRID_REG(trident, T4D_AINTEN_B));