OUTPUT_DATA_REG
NCR5380_write(OUTPUT_DATA_REG, hostdata->id_mask);
NCR5380_write(OUTPUT_DATA_REG, hostdata->id_mask | (1 << scmd_id(cmd)));
NCR5380_write(OUTPUT_DATA_REG, *d);
NCR5380_write(OUTPUT_DATA_REG, hostdata->id_mask);
u8 __iomem *d = hostdata->pdma_io + (OUTPUT_DATA_REG << 4);