ATPPC_ENABLE_DMA
if (atppc->sc_ecr_intr & ATPPC_ENABLE_DMA)
ecr |= ATPPC_ENABLE_DMA;
ecr &= ~ATPPC_ENABLE_DMA;
ecr &= ~ATPPC_ENABLE_DMA;
ecr |= ATPPC_ENABLE_DMA;
ecr &= ~ATPPC_ENABLE_DMA;
ecr &= ~ATPPC_ENABLE_DMA;
~ATPPC_ENABLE_DMA);
if (atppc->sc_ecr_intr & ATPPC_ENABLE_DMA)