ATPPC_DMA_MODE_WRITE
worklen, ATPPC_DMA_MODE_WRITE);
((mode == ATPPC_DMA_MODE_WRITE) ? DMAMODE_WRITE :
DMAMODE_READ) | DMAMODE_DEMAND, ((mode == ATPPC_DMA_MODE_WRITE)
(mode == ATPPC_DMA_MODE_WRITE) ? BUS_DMASYNC_PREWRITE