DBDMA_ALWAYS
DBDMA_ALWAYS, /* interrupt */
DBDMA_NOP, 0, 0, 0, DBDMA_ALWAYS, DBDMA_NEVER, DBDMA_NEVER, 0);
branch_type = DBDMA_ALWAYS;
if (branch_type == DBDMA_ALWAYS)
DBDMA_ALWAYS, DBDMA_NEVER, to_slot);