JAZZ_FLOPPY_DMA
vdma_enable(JAZZ_FLOPPY_DMA);
vdma_disable(JAZZ_FLOPPY_DMA);
vdma_set_mode(JAZZ_FLOPPY_DMA, mode);
vdma_set_addr(JAZZ_FLOPPY_DMA, vdma_phys2log(CPHYSADDR((unsigned long)a)));
vdma_set_count(JAZZ_FLOPPY_DMA, count);
return vdma_get_residue(JAZZ_FLOPPY_DMA);
case JAZZ_FLOPPY_DMA: /* floppy */