172 STATIC void NCR_700_chip_setup(struct Scsi_Host *host);
173 STATIC void NCR_700_chip_reset(struct Scsi_Host *host);
245 	struct Scsi_Host *host;  in NCR_700_detect()  local
295 	if((host = scsi_register(tpnt, 4)) == NULL)  in NCR_700_detect()
332 	host->max_id = 7;  in NCR_700_detect()
333 	host->max_lun = NCR_700_MAX_LUNS;  in NCR_700_detect()
334 	host->unique_id = hostdata->base;  in NCR_700_detect()
335 	host->base = hostdata->base;  in NCR_700_detect()
336 	host->hostdata[0] = (unsigned long)hostdata;  in NCR_700_detect()
338 	NCR_700_writeb(0xff, host, CTEST9_REG);  in NCR_700_detect()
340 		hostdata->rev = (NCR_700_readb(host, CTEST8_REG)>>4) & 0x0f;  in NCR_700_detect()
342 		hostdata->rev = (NCR_700_readb(host, CTEST7_REG)>>4) & 0x0f;  in NCR_700_detect()
343 	hostdata->fast = (NCR_700_readb(host, CTEST9_REG) == 0);  in NCR_700_detect()
348 	printk(KERN_NOTICE "scsi%d: %s rev %d %s\n", host->host_no,  in NCR_700_detect()
354 	NCR_700_chip_reset(host);  in NCR_700_detect()
356 	return host;  in NCR_700_detect()
360 NCR_700_release(struct Scsi_Host *host)  in NCR_700_release()  argument
363 		(struct NCR_700_Host_Parameters *)host->hostdata[0];  in NCR_700_release()
399 NCR_700_data_residual (struct Scsi_Host *host) {  in NCR_700_data_residual()  argument
401 		(struct NCR_700_Host_Parameters *)host->hostdata[0];  in NCR_700_data_residual()
406 		count = ((NCR_700_readb(host, DFIFO_REG) & 0x7f) -  in NCR_700_data_residual()
407 			 (NCR_700_readl(host, DBC_REG) & 0x7f)) & 0x7f;  in NCR_700_data_residual()
409 		count = ((NCR_700_readb(host, DFIFO_REG) & 0x3f) -  in NCR_700_data_residual()
410 			 (NCR_700_readl(host, DBC_REG) & 0x3f)) & 0x3f;  in NCR_700_data_residual()
414 		synchronous = NCR_700_readb(host, SXFER_REG) & 0x0f;  in NCR_700_data_residual()
417 	ddir = NCR_700_readb(host, CTEST0_REG) & 0x01;  in NCR_700_data_residual()
422 			count += (NCR_700_readb(host, SSTAT2_REG) & 0xf0) >> 4;  in NCR_700_data_residual()
424 			if (NCR_700_readb(host, SSTAT1_REG) & SIDL_REG_FULL)  in NCR_700_data_residual()
428 		__u8 sstat = NCR_700_readb(host, SSTAT1_REG);  in NCR_700_data_residual()
722 NCR_700_internal_bus_reset(struct Scsi_Host *host)  in NCR_700_internal_bus_reset()  argument
725 	NCR_700_writeb(ASSERT_RST, host, SCNTL1_REG);  in NCR_700_internal_bus_reset()
727 	NCR_700_writeb(0, host, SCNTL1_REG);  in NCR_700_internal_bus_reset()
732 NCR_700_chip_setup(struct Scsi_Host *host)  in NCR_700_chip_setup()  argument
735 		(struct NCR_700_Host_Parameters *)host->hostdata[0];  in NCR_700_chip_setup()
745 		NCR_700_writeb(dcntl_extra, host, DCNTL_REG);  in NCR_700_chip_setup()
747 			       host, DMODE_710_REG);  in NCR_700_chip_setup()
749 						DIFF : 0), host, CTEST7_REG);  in NCR_700_chip_setup()
750 		NCR_700_writeb(BTB_TIMER_DISABLE, host, CTEST0_REG);  in NCR_700_chip_setup()
752 			       | AUTO_ATN, host, SCNTL0_REG);  in NCR_700_chip_setup()
755 			       host, DMODE_700_REG);  in NCR_700_chip_setup()
757 			       DIFF : 0, host, CTEST7_REG);  in NCR_700_chip_setup()
761 				       | GENERATE_RECEIVE_PARITY, host,  in NCR_700_chip_setup()
765 				       | PARITY | AUTO_ATN, host, SCNTL0_REG);  in NCR_700_chip_setup()
769 	NCR_700_writeb(1 << host->this_id, host, SCID_REG);  in NCR_700_chip_setup()
770 	NCR_700_writeb(0, host, SBCL_REG);  in NCR_700_chip_setup()
771 	NCR_700_writeb(ASYNC_OPERATION, host, SXFER_REG);  in NCR_700_chip_setup()
774 	     | RST_INT | PAR_ERR_INT | SELECT_INT, host, SIEN_REG);  in NCR_700_chip_setup()
776 	NCR_700_writeb(ABORT_INT | INT_INST_INT | ILGL_INST_INT, host, DIEN_REG);  in NCR_700_chip_setup()
777 	NCR_700_writeb(ENABLE_SELECT, host, SCNTL1_REG);  in NCR_700_chip_setup()
783 		NCR_700_writeb(SYNC_DIV_2_0, host, SBCL_REG);  in NCR_700_chip_setup()
784 		NCR_700_writeb(ASYNC_DIV_3_0 | dcntl_extra, host, DCNTL_REG);  in NCR_700_chip_setup()
789 		NCR_700_writeb(SYNC_DIV_1_5, host, SBCL_REG);  in NCR_700_chip_setup()
790 		NCR_700_writeb(ASYNC_DIV_3_0 | dcntl_extra, host, DCNTL_REG);  in NCR_700_chip_setup()
797 		NCR_700_writeb(SYNC_DIV_1_0, host, SBCL_REG);  in NCR_700_chip_setup()
798 		NCR_700_writeb(ASYNC_DIV_2_0 | dcntl_extra, host, DCNTL_REG);  in NCR_700_chip_setup()
803 		NCR_700_writeb(SYNC_DIV_1_0, host, SBCL_REG);  in NCR_700_chip_setup()
804 		NCR_700_writeb(ASYNC_DIV_1_5 | dcntl_extra, host, DCNTL_REG);  in NCR_700_chip_setup()
808 		NCR_700_writeb(SYNC_DIV_1_0, host, SBCL_REG);  in NCR_700_chip_setup()
809 		NCR_700_writeb(ASYNC_DIV_1_0 | dcntl_extra, host, DCNTL_REG);  in NCR_700_chip_setup()
826 NCR_700_chip_reset(struct Scsi_Host *host)  in NCR_700_chip_reset()  argument
829 		(struct NCR_700_Host_Parameters *)host->hostdata[0];  in NCR_700_chip_reset()
831 		NCR_700_writeb(SOFTWARE_RESET_710, host, ISTAT_REG);  in NCR_700_chip_reset()
834 		NCR_700_writeb(0, host, ISTAT_REG);  in NCR_700_chip_reset()
836 		NCR_700_writeb(SOFTWARE_RESET, host, DCNTL_REG);  in NCR_700_chip_reset()
839 		NCR_700_writeb(0, host, DCNTL_REG);  in NCR_700_chip_reset()
844 	NCR_700_chip_setup(host);  in NCR_700_chip_reset()
854 process_extended_message(struct Scsi_Host *host,   in process_extended_message()  argument
880 				       host->host_no, pun, lun,  in process_extended_message()
891 				       host, SXFER_REG);  in process_extended_message()
896 			       host->host_no);  in process_extended_message()
908 		       host->host_no, pun, lun);  in process_extended_message()
918 		       host->host_no, pun, lun,  in process_extended_message()
930 	NCR_700_writel(temp, host, TEMP_REG);  in process_extended_message()
935 process_message(struct Scsi_Host *host,	struct NCR_700_Host_Parameters *hostdata,  in process_message()  argument
948 	printk("scsi%d (%d:%d): message %s: ", host->host_no, pun, lun,  in process_message()
957 		resume_offset =  process_extended_message(host, hostdata, SCp,  in process_message()
969 …%d (%d:%d) Rejected first tag queue attempt, turning off tag queueing\n", host->host_no, pun, lun);  in process_message()
976 			       host->host_no, pun, lun,  in process_message()
983 		printk(KERN_ERR "scsi%d (%d:%d) Parity Error!\n", host->host_no,  in process_message()
985 		NCR_700_internal_bus_reset(host);  in process_message()
988 		printk(KERN_INFO "scsi%d (%d:%d) SIMPLE TAG %d %s\n", host->host_no,  in process_message()
995 		       host->host_no, pun, lun,  in process_message()
1010 	NCR_700_writel(temp, host, TEMP_REG);  in process_message()
1018 			 struct Scsi_Host *host,  in process_script_interrupt()  argument
1042 …d (%d:%d) broken device is looping in contingent allegiance: ignoring\n", host->host_no, pun, lun);  in process_script_interrupt()
1122 		       host->host_no, pun, lun,  in process_script_interrupt()
1124 		       sbcl_to_string(NCR_700_readb(host, SBCL_REG)));  in process_script_interrupt()
1128 		NCR_700_internal_bus_reset(host);  in process_script_interrupt()
1133 		       host->host_no, pun, lun, NCR_700_fatal_messages[i]);  in process_script_interrupt()
1138 		NCR_700_internal_bus_reset(host);  in process_script_interrupt()
1144 		       host->host_no, pun, lun,  in process_script_interrupt()
1158 		       host->host_no, reselection_id, lun));  in process_script_interrupt()
1170 			       host->host_no, reselection_id, lun,  in process_script_interrupt()
1191 				       host->host_no);  in process_script_interrupt()
1209 				       host, SXFER_REG);  in process_script_interrupt()
1231 		__u8 reselection_id = NCR_700_readb(host, SFBR_REG);  in process_script_interrupt()
1235 		reselection_id &= ~(1<<host->this_id);  in process_script_interrupt()
1240 …host->host_no, reselection_id, lun, dsp, dsp - hostdata->pScript, hostdata->state, hostdata->comma…  in process_script_interrupt()
1265 				printk(KERN_ERR "scsi%d: Invalid reselection during selection!!\n", host->host_no);  in process_script_interrupt()
1269 				       host->host_no);  in process_script_interrupt()
1293 		resume_offset = process_message(host, hostdata, SCp,  in process_script_interrupt()
1298 		       host->host_no, pun, lun, NCR_700_condition[i],  in process_script_interrupt()
1309 		NCR_700_internal_bus_reset(host);  in process_script_interrupt()
1312 		       host->host_no, pun, lun, dsps & 0xfff, dsp, dsp - hostdata->pScript);  in process_script_interrupt()
1316 		       host->host_no, pun, lun, dsps, dsp - hostdata->pScript);  in process_script_interrupt()
1317 		NCR_700_internal_bus_reset(host);  in process_script_interrupt()
1330 process_selection(struct Scsi_Host *host, __u32 dsp)  in process_selection()  argument
1336 		(struct NCR_700_Host_Parameters *)host->hostdata[0];  in process_selection()
1341 		id = NCR_700_readb(host, hostdata->chip710 ?  in process_selection()
1345 		id &= ~(1<<host->this_id);  in process_selection()
1350 	sbcl = NCR_700_readb(host, SBCL_REG);  in process_selection()
1358 		       host->host_no, id));  in process_selection()
1384 			process_script_interrupt(A_GOOD_STATUS_AFTER_STATUS, dsp, SCp, host, hostdata);  in process_selection()
1410 NCR_700_clear_fifo(struct Scsi_Host *host) {  in NCR_700_clear_fifo()  argument
1412 		= (struct NCR_700_Host_Parameters *)host->hostdata[0];  in NCR_700_clear_fifo()
1414 		NCR_700_writeb(CLR_FIFO_710, host, CTEST8_REG);  in NCR_700_clear_fifo()
1416 		NCR_700_writeb(CLR_FIFO, host, DFIFO_REG);  in NCR_700_clear_fifo()
1421 NCR_700_flush_fifo(struct Scsi_Host *host) {  in NCR_700_flush_fifo()  argument
1423 		= (struct NCR_700_Host_Parameters *)host->hostdata[0];  in NCR_700_flush_fifo()
1425 		NCR_700_writeb(FLUSH_DMA_FIFO_710, host, CTEST8_REG);  in NCR_700_flush_fifo()
1427 		NCR_700_writeb(0, host, CTEST8_REG);  in NCR_700_flush_fifo()
1429 		NCR_700_writeb(FLUSH_DMA_FIFO, host, DFIFO_REG);  in NCR_700_flush_fifo()
1431 		NCR_700_writeb(0, host, DFIFO_REG);  in NCR_700_flush_fifo()
1442 		(struct NCR_700_Host_Parameters *)SCp->host->hostdata[0];  in NCR_700_start_command()
1456 		       SCp->host->host_no, slot->cmnd, slot));  in NCR_700_start_command()
1505 	NCR_700_clear_fifo(SCp->host);  in NCR_700_start_command()
1517 		       SCp->host, SXFER_REG);  in NCR_700_start_command()
1518 	NCR_700_writel(slot->temp, SCp->host, TEMP_REG);  in NCR_700_start_command()
1519 	NCR_700_writel(slot->resume_offset, SCp->host, DSP_REG);  in NCR_700_start_command()
1533 	struct Scsi_Host *host = (struct Scsi_Host *)dev_id;  in NCR_700_intr()  local
1535 		(struct NCR_700_Host_Parameters *)host->hostdata[0];  in NCR_700_intr()
1553 	if((istat = NCR_700_readb(host, ISTAT_REG))  in NCR_700_intr()
1567 			sstat0 = NCR_700_readb(host, SSTAT0_REG);  in NCR_700_intr()
1573 			dstat = NCR_700_readb(host, DSTAT_REG);  in NCR_700_intr()
1576 		dsps = NCR_700_readl(host, DSPS_REG);  in NCR_700_intr()
1577 		dsp = NCR_700_readl(host, DSP_REG);  in NCR_700_intr()
1580 		       host->host_no, istat, sstat0, dstat,  in NCR_700_intr()
1596 …	       host->host_no, SCp, SCp == NULL ? NULL : SCp->host_scribble, dsp, dsp - hostdata->pScript);  in NCR_700_intr()
1599 			for(SDp = host->host_queue; SDp != NULL; SDp = SDp->next)  in NCR_700_intr()
1627 			NCR_700_chip_setup(host);  in NCR_700_intr()
1634 			       host->host_no, pun, lun));  in NCR_700_intr()
1644 				__u32 temp = NCR_700_readl(host, TEMP_REG);  in NCR_700_intr()
1645 …Ent_SendMessage/4] & 0xffffff) - ((NCR_700_readl(host, DBC_REG) & 0xffffff) + NCR_700_data_residua…  in NCR_700_intr()
1646 … %p[%04x], phase %s\n", host->host_no, pun, lun, count, (void *)temp, temp - hostdata->pScript, sb…  in NCR_700_intr()
1651 				int data_transfer = NCR_700_readl(host, DBC_REG) & 0xffffff;  in NCR_700_intr()
1653 				int residual = NCR_700_data_residual(host);  in NCR_700_intr()
1656 				__u32 naddr = NCR_700_readl(host, DNAD_REG);  in NCR_700_intr()
1659 				       host->host_no, pun, lun,  in NCR_700_intr()
1664 				       host->host_no, pun, lun,  in NCR_700_intr()
1684 …transfer mismatch pAddr=%lx, naddr=%lx, data_transfer=%d, residual=%d\n", host->host_no, pun, lun,…  in NCR_700_intr()
1699 				NCR_700_flush_fifo(host);  in NCR_700_intr()
1701 				__u8 sbcl = NCR_700_readb(host, SBCL_REG);  in NCR_700_intr()
1703 				       host->host_no, pun, lun, dsp - hostdata->pScript, sbcl_to_string(sbcl));  in NCR_700_intr()
1704 				NCR_700_internal_bus_reset(host);  in NCR_700_intr()
1709 			       host->host_no, pun, lun);  in NCR_700_intr()
1713 			       host->host_no, pun, lun);  in NCR_700_intr()
1717 			       host->host_no, pun, lun));  in NCR_700_intr()
1718 			resume_offset = process_script_interrupt(dsps, dsp, SCp, host, hostdata);  in NCR_700_intr()
1722 			       host->host_no, pun, lun,  in NCR_700_intr()
1727 			       host->host_no, pun, lun, dstat);  in NCR_700_intr()
1753 			resume_offset = process_selection(host, dsp);  in NCR_700_intr()
1762 			       host->host_no, resume_offset, resume_offset - hostdata->pScript);  in NCR_700_intr()
1767 		NCR_700_clear_fifo(host);  in NCR_700_intr()
1768 		NCR_700_writel(resume_offset, host, DSP_REG);  in NCR_700_intr()
1788 				       host->host_no, &hostdata->slots[j],  in NCR_700_intr()
1809 	struct Scsi_Host *host = scsi_hostlist;  in NCR_700_proc_directory_info()  local
1813 	while(host != NULL && host->host_no != host_no)  in NCR_700_proc_directory_info()
1814 		host = host->next;  in NCR_700_proc_directory_info()
1816 	if(host == NULL)  in NCR_700_proc_directory_info()
1823 	hostdata = (struct NCR_700_Host_Parameters *)host->hostdata[0];  in NCR_700_proc_directory_info()
1828 	for(SDp = host->host_queue; SDp != NULL; SDp = SDp->next) {  in NCR_700_proc_directory_info()
1843 		(struct NCR_700_Host_Parameters *)SCp->host->hostdata[0];  in NCR_700_queuecommand()
1852 		printk(KERN_WARNING "scsi%d: Command depth has gone over queue depth\n", SCp->host->host_no);  in NCR_700_queuecommand()
1857 		       SCp->host->host_no, SCp->target, SCp->lun,  in NCR_700_queuecommand()
1863 		       SCp->host->host_no, SCp->target, SCp->lun,  in NCR_700_queuecommand()
1882 	printk("53c700: scsi%d, command ", SCp->host->host_no);  in NCR_700_queuecommand()
1894 …printk(KERN_INFO "scsi%d: (%d:%d) Enabling Tag Command Queuing\n", SCp->device->host->host_no, SCp…  in NCR_700_queuecommand()
1913 …printk(KERN_WARNING "scsi%d (%d:%d) Target is suffering from tag starvation.\n", SCp->host->host_n…  in NCR_700_queuecommand()
1945 …printk(KERN_ERR "scsi%d (%d:%d) ITLQ_back is not NULL!!!!\n", SCp->host->host_no, SCp->target, SCp…  in NCR_700_queuecommand()
1963 		       SCp->host->host_no, SCp->target, SCp->lun);  in NCR_700_queuecommand()
2066 		(struct NCR_700_Host_Parameters *)SCp->host->hostdata[0];  in NCR_700_abort()
2069 	       SCp->host->host_no, SCp->target, SCp->lun);  in NCR_700_abort()
2090 		NCR_700_internal_bus_reset(SCp->host);  in NCR_700_abort()
2101 	       SCp->host->host_no, SCp->target, SCp->lun, SCp);  in NCR_700_bus_reset()
2103 	NCR_700_internal_bus_reset(SCp->host);  in NCR_700_bus_reset()
2111 	       SCp->host->host_no, SCp->target, SCp->lun);  in NCR_700_dev_reset()
2121 	       SCp->host->host_no, SCp->target, SCp->lun);  in NCR_700_host_reset()
2124 	NCR_700_internal_bus_reset(SCp->host);  in NCR_700_host_reset()
2125 	NCR_700_chip_reset(SCp->host);  in NCR_700_host_reset()