tt_scsi_dma
if (hwreg_present(&tt_scsi_dma.dma_addr_hi)) {
dma_stat = tt_scsi_dma.dma_ctrl;
tt_scsi_dma.dma_ctrl = 0;
tt_scsi_dma.dma_ctrl = 0;
for (src = (char *)&tt_scsi_dma.dma_restdata; nr != 0; --nr)
tt_scsi_dma.dma_ctrl = dir;
tt_scsi_dma.dma_ctrl = dir | 2;
tt_scsi_dma.dma_ctrl = 0;
tt_scsi_dma.dma_ctrl = 0;
tt_scsi_dma.elt##_lo = v & 0xff; \
tt_scsi_dma.elt##_lmd = v & 0xff; \
tt_scsi_dma.elt##_hmd = v & 0xff; \
tt_scsi_dma.elt##_hi = v & 0xff; \
(((((((unsigned long)tt_scsi_dma.elt##_hi << 8) | \
(unsigned long)tt_scsi_dma.elt##_hmd) << 8) | \
(unsigned long)tt_scsi_dma.elt##_lmd) << 8) | \
(unsigned long)tt_scsi_dma.elt##_lo)