RAMBO_MODE
stat = bus_space_read_4(esc->sc_bst, esc->dm_bsh, RAMBO_MODE);
RAMBO_MODE) & RB_FIFO_EMPTY)) {
bus_space_write_4(esc->sc_bst, esc->dm_bsh, RAMBO_MODE,
bus_space_write_4(esc->sc_bst, esc->dm_bsh, RAMBO_MODE, 0);
bus_space_write_4(esc->sc_bst, esc->dm_bsh, RAMBO_MODE, esc->dm_mode);
RAMBO_MODE, esc->dm_mode | RB_DMA_ENABLE);
bus_space_write_4(esc->sc_bst, esc->dm_bsh, RAMBO_MODE,
bus_space_write_4(esc->sc_bst, esc->dm_bsh, RAMBO_MODE, esc->dm_mode);
status = bus_space_read_4(esc->sc_bst, esc->dm_bsh, RAMBO_MODE);
RAMBO_MODE, 0);
RAMBO_MODE, RB_CLRFIFO);
bus_space_write_4(esc->sc_bst, esc->dm_bsh, RAMBO_MODE, 0);
bus_space_write_4(esc->sc_bst, esc->dm_bsh, RAMBO_MODE, 0);
RAMBO_MODE, esc->dm_mode & ~RB_INT_ENABLE);
dma_stat = bus_space_read_4(esc->sc_bst, esc->dm_bsh, RAMBO_MODE);