728 	pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;  in isp_pci_attach()
729 	pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF;  in isp_pci_attach()
730 	pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF;  in isp_pci_attach()
731 	pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF;  in isp_pci_attach()
732 	pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;  in isp_pci_attach()
744 		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;  in isp_pci_attach()
751 		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;  in isp_pci_attach()
757 		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;  in isp_pci_attach()
763 		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;  in isp_pci_attach()
770 		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;  in isp_pci_attach()
776 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;  in isp_pci_attach()
791 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;  in isp_pci_attach()
797 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;  in isp_pci_attach()
804 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;  in isp_pci_attach()
811 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;  in isp_pci_attach()
819 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;  in isp_pci_attach()
826 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;  in isp_pci_attach()
832 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;  in isp_pci_attach()
1061 	_BLK_REG_SHFT] + ((x) & 0xfff))