DMA_DW32
{ AU1000_I2S_PHYS_ADDR + 0x00, DMA_DW32 | DMA_NC}, /* I2S TX */
{ AU1000_I2S_PHYS_ADDR + 0x00, DMA_DW32 | DMA_NC | DMA_DR}, /* I2S RX */
else if ((chan->mode & DMA_DW_MASK) == DMA_DW32)