DMA_CHAN_STATUS
DMA_CHAN_STATUS = (1 << 5), /* DMA channel 0=3,1=2 */
#define DMA_CHAN_STATUS(addrs, x) (dma_chanx_base_addr(addrs, x) + 0x60)
#define DMA_CHAN_STATUS(chan) dma_chan_base_addr(DMA_STATUS, chan)