VAC_DP_BASE
bus_space_read_1((sc)->sc_memt, (sc)->sc_regh, VAC_DP_BASE + (off))
bus_space_write_1((sc)->sc_memt, (sc)->sc_regh, VAC_DP_BASE + (off), (v))
base = VAC_DP_BASE + ((cmd & 1) ? VAC_DP_BUF1 : VAC_DP_BUF0);
bus_space_barrier(sc->sc_memt, sc->sc_regh, VAC_DP_BASE, 0x1000,