DMA_TO_DEVICE
DMA_BIDIRECTIONAL : DMA_TO_DEVICE;
DMA_BIDIRECTIONAL : DMA_TO_DEVICE;
bool write = (direction == DMA_BIDIRECTIONAL || direction == DMA_TO_DEVICE);
DMA_BIDIRECTIONAL : DMA_TO_DEVICE;
DMA_BIDIRECTIONAL : DMA_TO_DEVICE;