DMA_DSBL_DRAIN
DMA_WRITE | DMA_ENDVMA | DMA_DSBL_DRAIN; \
DMA_WRITE | DMA_ENDVMA | DMA_DSBL_DRAIN; \
(fas->f_dma_csr & ~DMA_WRITE) | DMA_ENDVMA | DMA_DSBL_DRAIN; \
DMA_DSBL_DRAIN);
DMA_DSBL_DRAIN);