DMAMODE_DEMAND
DMAMODE_READ) | DMAMODE_DEMAND, ((mode == ATPPC_DMA_MODE_WRITE)
DMAMODE_READ | DMAMODE_DEMAND, BUS_DMA_NOWAIT);
DMAMODE_WRITE | DMAMODE_DEMAND, BUS_DMA_NOWAIT);
NULL, read | DMAMODE_DEMAND, BUS_DMA_NOWAIT);
#define DMAMODE_LOOPDEMAND (DMAMODE_LOOP | DMAMODE_DEMAND)
(read ? DMAMODE_READ : DMAMODE_WRITE) | DMAMODE_DEMAND,
(read ? DMAMODE_READ : DMAMODE_WRITE) | DMAMODE_DEMAND,