AWIN_NDMA_CTL_REG
DMACH_WRITE(&sc->sc_ndma_channels[index], AWIN_NDMA_CTL_REG, 0);
return (DMACH_READ(ch, AWIN_NDMA_CTL_REG));
DMACH_WRITE(ch, AWIN_NDMA_CTL_REG, val);
DMACH_WRITE(ch, AWIN_NDMA_CTL_REG, val);