dma0chan0
dma0chan1
dma0chan2
dma0chan3
dma0chan4
dma1chan0
dma1chan1
dma1chan2
dma1chan3
dma1chan4
dma2chan0
dma2chan1
dma2chan2
dma2chan3
dma2chan4
dma2chan5
dma2chan6
dma2chan7