IW_READ_DIRECT_1
IW_READ_DIRECT_1(6, sc->p2xr_h, intrs); /* UISR */
IW_READ_DIRECT_1(sc->p3xr + 7, sc->p3xr_h, ret);
IW_READ_DIRECT_1(sc->p2xr, sc->p2xr_h, mixer_image);