patch-2.0.37 linux/drivers/scsi/i91uscsi.c

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diff -u --recursive --new-file v2.0.36/linux/drivers/scsi/i91uscsi.c linux/drivers/scsi/i91uscsi.c
@@ -0,0 +1,2808 @@
+/**************************************************************************
+ * Initio 9100 device driver for Linux.
+ *
+ * Copyright (c) 1994-1998 Initio Corporation
+ * Copyright (c) 1998 Bas Vermeulen <bvermeul@blackstar.xs4all.nl>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification, immediately at the beginning of the file.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * Where this Software is combined with software released under the terms of 
+ * the GNU Public License ("GPL") and the terms of the GPL would require the 
+ * combined work to also be released under the terms of the GPL, the terms
+ * and conditions of this License will apply in addition to those of the
+ * GPL with the exception of any terms or conditions of this License that
+ * conflict with, or are expressly prohibited by, the GPL.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ ************************************************************************
+    Module: i91uscsi.c
+    Description: PCI I/F for INI-910 SCSI Bus Master Controller
+    Revision History:
+	11/09/94 Tim Chen, Initiali Version 0.90A
+	01/17/95 TC, release ver 1.01
+	02/09/95 TC  modify ReadPCIConfig, try both mechanisms;
+	02/15/95 TC  add support for INI-9100W
+	06/04/96 HC, Change to fit LINUX from jaspci.c
+	11/18/96 HC, Port for tulip
+	07/08/98 hc, Support 0002134A
+        07/23/98 wh, Change the abort_srb routine.
+	09/16/98 hl, Support ALPHA, Rewrite the returnNumberAdapters	<01>
+	12/09/98 bv, Removed unused code, changed tul_se2_wait to
+		     use udelay(30) and tul_do_pause to enable 
+		     interrupts for >= 2.1.95
+	12/13/98 bv, Use spinlocks instead of cli() for serialized
+		     access to HCS_Semaph, HCS_FirstAvail and HCS_LastAvail
+		     members of the HCS structure.
+	01/09/98 bv, Fix a deadlock on SMP system.
+**********************************************************************/
+
+#define DEBUG_INTERRUPT 0
+#define DEBUG_QUEUE     0
+#define DEBUG_STATE     0
+#define INT_DISC	0
+
+
+#ifndef CVT_LINUX_VERSION
+#define	CVT_LINUX_VERSION(V,P,S)	(V * 65536 + P * 256 + S)
+#endif
+
+#ifndef LINUX_VERSION_CODE
+#include <linux/version.h>
+#endif
+
+#include <linux/sched.h>
+#include <linux/delay.h>
+#include <linux/blk.h>
+#include <asm/io.h>
+
+#include "i91uscsi.h"
+
+/*--- external functions --*/
+static void tul_se2_wait(void);
+
+/*--- forward refrence ---*/
+static SCB *tul_find_busy_scb(HCS * pCurHcb, WORD tarlun);
+static SCB *tul_find_done_scb(HCS * pCurHcb);
+
+static int tulip_main(HCS * pCurHcb);
+
+static int tul_next_state(HCS * pCurHcb);
+static int tul_state_1(HCS * pCurHcb);
+static int tul_state_2(HCS * pCurHcb);
+static int tul_state_3(HCS * pCurHcb);
+static int tul_state_4(HCS * pCurHcb);
+static int tul_state_5(HCS * pCurHcb);
+static int tul_state_6(HCS * pCurHcb);
+static int tul_state_7(HCS * pCurHcb);
+static int tul_xfer_data_in(HCS * pCurHcb);
+static int tul_xfer_data_out(HCS * pCurHcb);
+static int tul_xpad_in(HCS * pCurHcb);
+static int tul_xpad_out(HCS * pCurHcb);
+static int tul_status_msg(HCS * pCurHcb);
+
+static int tul_msgin(HCS * pCurHcb);
+static int tul_msgin_sync(HCS * pCurHcb);
+static int tul_msgin_accept(HCS * pCurHcb);
+static int tul_msgout_reject(HCS * pCurHcb);
+static int tul_msgin_extend(HCS * pCurHcb);
+
+static int tul_msgout_ide(HCS * pCurHcb);
+static int tul_msgout_abort_targ(HCS * pCurHcb);
+static int tul_msgout_abort_tag(HCS * pCurHcb);
+
+static int tul_bus_device_reset(HCS * pCurHcb);
+static void tul_select_atn(HCS * pCurHcb, SCB * pCurScb);
+static void tul_select_atn3(HCS * pCurHcb, SCB * pCurScb);
+static void tul_select_atn_stop(HCS * pCurHcb, SCB * pCurScb);
+static int int_tul_busfree(HCS * pCurHcb);
+int int_tul_scsi_rst(HCS * pCurHcb);
+static int int_tul_bad_seq(HCS * pCurHcb);
+static int int_tul_resel(HCS * pCurHcb);
+static int tul_sync_done(HCS * pCurHcb);
+static int wdtr_done(HCS * pCurHcb);
+static int wait_tulip(HCS * pCurHcb);
+static int tul_wait_done_disc(HCS * pCurHcb);
+static int tul_wait_disc(HCS * pCurHcb);
+static void tulip_scsi(HCS * pCurHcb);
+static int tul_post_scsi_rst(HCS * pCurHcb);
+
+static void tul_se2_ew_en(WORD CurBase);
+static void tul_se2_ew_ds(WORD CurBase);
+static int tul_se2_rd_all(WORD CurBase);
+static void tul_se2_update_all(WORD CurBase);	/* setup default pattern */
+static void tul_read_eeprom(WORD CurBase);
+
+				/* ---- EXTERNAL VARIABLES ---- */
+HCS tul_hcs[MAX_SUPPORTED_ADAPTERS];
+				/* ---- INTERNAL VARIABLES ---- */
+static INI_ADPT_STRUCT i91u_adpt[MAX_SUPPORTED_ADAPTERS];
+
+/*NVRAM nvram, *nvramp = &nvram; */
+static NVRAM i91unvram;
+static NVRAM *i91unvramp;
+
+
+
+static UCHAR i91udftNvRam[64] =
+{
+/*----------- header -----------*/
+	0x25, 0xc9,		/* Signature    */
+	0x40,			/* Size         */
+	0x01,			/* Revision     */
+	/* -- Host Adapter Structure -- */
+	0x95,			/* ModelByte0   */
+	0x00,			/* ModelByte1   */
+	0x00,			/* ModelInfo    */
+	0x01,			/* NumOfCh      */
+	NBC1_DEFAULT,		/* BIOSConfig1  */
+	0,			/* BIOSConfig2  */
+	0,			/* HAConfig1    */
+	0,			/* HAConfig2    */
+	/* SCSI channel 0 and target Structure  */
+	7,			/* SCSIid       */
+	NCC1_DEFAULT,		/* SCSIconfig1  */
+	0,			/* SCSIconfig2  */
+	0x10,			/* NumSCSItarget */
+
+	NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
+	NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
+	NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
+	NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
+
+	/* SCSI channel 1 and target Structure  */
+	7,			/* SCSIid       */
+	NCC1_DEFAULT,		/* SCSIconfig1  */
+	0,			/* SCSIconfig2  */
+	0x10,			/* NumSCSItarget */
+
+	NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
+	NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
+	NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
+	NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0};			/*      - CheckSum -            */
+
+
+static UCHAR tul_rate_tbl[8] =	/* fast 20      */
+{
+				/* nanosecond devide by 4 */
+	12,			/* 50ns,  20M   */
+	18,			/* 75ns,  13.3M */
+	25,			/* 100ns, 10M   */
+	31,			/* 125ns, 8M    */
+	37,			/* 150ns, 6.6M  */
+	43,			/* 175ns, 5.7M  */
+	50,			/* 200ns, 5M    */
+	62			/* 250ns, 4M    */
+};
+
+extern int tul_num_ch;
+
+
+static void tul_do_pause(unsigned amount)
+{				/* Pause for amount*10 milliseconds */
+	unsigned long the_time = jiffies + amount;	/* 0.01 seconds per jiffy */
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	while (time_before_eq(jiffies, the_time));
+#else
+	while (jiffies < the_time);
+#endif
+}
+
+/*-- forward reference --*/
+
+/*******************************************************************
+	Use memeory refresh time        ~ 15us * 2
+********************************************************************/
+void tul_se2_wait()
+{
+#if 1
+	udelay(30);
+#else
+	UCHAR readByte;
+
+	readByte = TUL_RD(0, 0x61);
+	if ((readByte & 0x10) == 0x10) {
+		for (;;) {
+			readByte = TUL_RD(0, 0x61);
+			if ((readByte & 0x10) == 0x10)
+				break;
+		}
+		for (;;) {
+			readByte = TUL_RD(0, 0x61);
+			if ((readByte & 0x10) != 0x10)
+				break;
+		}
+	} else {
+		for (;;) {
+			readByte = TUL_RD(0, 0x61);
+			if ((readByte & 0x10) == 0x10)
+				break;
+		}
+		for (;;) {
+			readByte = TUL_RD(0, 0x61);
+			if ((readByte & 0x10) != 0x10)
+				break;
+		}
+	}
+#endif
+}
+
+
+/******************************************************************
+ Input: instruction for  Serial E2PROM
+
+ EX: se2_rd(0 call se2_instr() to send address and read command
+
+	 StartBit  OP_Code   Address                Data
+	 --------- --------  ------------------     -------
+	 1         1 , 0     A5,A4,A3,A2,A1,A0      D15-D0
+
+		 +-----------------------------------------------------
+		 |
+ CS -----+
+			+--+  +--+  +--+  +--+  +--+
+			^  |  ^  |  ^  |  ^  |  ^  |
+			|  |  |  |  |  |  |  |  |  |
+ CLK -------+  +--+  +--+  +--+  +--+  +--
+ (leading edge trigger)
+
+		 +--1-----1--+
+		 | SB    OP  |  OP    A5    A4
+ DI  ----+           +--0------------------
+ (address and cmd sent to nvram)
+
+	 -------------------------------------------+
+												|
+ DO                                             +---
+ (data sent from nvram)
+
+
+******************************************************************/
+void tul_se2_instr(WORD CurBase, UCHAR instr)
+{
+	int i;
+	UCHAR b;
+
+	TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2DO);	/* cs+start bit */
+	tul_se2_wait();
+	TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK | SE2DO);	/* +CLK */
+	tul_se2_wait();
+
+	for (i = 0; i < 8; i++) {
+		if (instr & 0x80)
+			b = SE2CS | SE2DO;	/* -CLK+dataBit */
+		else
+			b = SE2CS;	/* -CLK */
+		TUL_WR(CurBase + TUL_NVRAM, b);
+		tul_se2_wait();
+		TUL_WR(CurBase + TUL_NVRAM, b | SE2CLK);	/* +CLK */
+		tul_se2_wait();
+		instr <<= 1;
+	}
+	TUL_WR(CurBase + TUL_NVRAM, SE2CS);	/* -CLK */
+	tul_se2_wait();
+	return;
+}
+
+
+/******************************************************************
+ Function name  : tul_se2_ew_en
+ Description    : Enable erase/write state of serial EEPROM
+******************************************************************/
+void tul_se2_ew_en(WORD CurBase)
+{
+	tul_se2_instr(CurBase, 0x30);	/* EWEN */
+	TUL_WR(CurBase + TUL_NVRAM, 0);		/* -CS  */
+	tul_se2_wait();
+	return;
+}
+
+
+/************************************************************************
+ Disable erase/write state of serial EEPROM
+*************************************************************************/
+void tul_se2_ew_ds(WORD CurBase)
+{
+	tul_se2_instr(CurBase, 0);	/* EWDS */
+	TUL_WR(CurBase + TUL_NVRAM, 0);		/* -CS  */
+	tul_se2_wait();
+	return;
+}
+
+
+/******************************************************************
+	Input  :address of Serial E2PROM
+	Output :value stored in  Serial E2PROM
+*******************************************************************/
+USHORT tul_se2_rd(WORD CurBase, ULONG adr)
+{
+	UCHAR instr, readByte;
+	USHORT readWord;
+	int i;
+
+	instr = (UCHAR) (adr | 0x80);
+	tul_se2_instr(CurBase, instr);	/* READ INSTR */
+	readWord = 0;
+
+	for (i = 15; i >= 0; i--) {
+		TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK);	/* +CLK */
+		tul_se2_wait();
+		TUL_WR(CurBase + TUL_NVRAM, SE2CS);	/* -CLK */
+
+		/* sample data after the following edge of clock  */
+		readByte = TUL_RD(CurBase, TUL_NVRAM);
+		readByte &= SE2DI;
+		readWord += (readByte << i);
+		tul_se2_wait();	/* 6/20/95 */
+	}
+
+	TUL_WR(CurBase + TUL_NVRAM, 0);		/* no chip select */
+	tul_se2_wait();
+	return readWord;
+}
+
+
+/******************************************************************
+ Input: new value in  Serial E2PROM, address of Serial E2PROM
+*******************************************************************/
+void tul_se2_wr(WORD CurBase, UCHAR adr, USHORT writeWord)
+{
+	UCHAR readByte;
+	UCHAR instr;
+	int i;
+
+	instr = (UCHAR) (adr | 0x40);
+	tul_se2_instr(CurBase, instr);	/* WRITE INSTR */
+	for (i = 15; i >= 0; i--) {
+		if (writeWord & 0x8000)
+			TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2DO);	/* -CLK+dataBit 1 */
+		else
+			TUL_WR(CurBase + TUL_NVRAM, SE2CS);	/* -CLK+dataBit 0 */
+		tul_se2_wait();
+		TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK);	/* +CLK */
+		tul_se2_wait();
+		writeWord <<= 1;
+	}
+	TUL_WR(CurBase + TUL_NVRAM, SE2CS);	/* -CLK */
+	tul_se2_wait();
+	TUL_WR(CurBase + TUL_NVRAM, 0);		/* -CS  */
+	tul_se2_wait();
+
+	TUL_WR(CurBase + TUL_NVRAM, SE2CS);	/* +CS  */
+	tul_se2_wait();
+
+	for (;;) {
+		TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK);	/* +CLK */
+		tul_se2_wait();
+		TUL_WR(CurBase + TUL_NVRAM, SE2CS);	/* -CLK */
+		tul_se2_wait();
+		if ((readByte = TUL_RD(CurBase, TUL_NVRAM)) & SE2DI)
+			break;	/* write complete */
+	}
+	TUL_WR(CurBase + TUL_NVRAM, 0);		/* -CS */
+	return;
+}
+
+
+/***********************************************************************
+ Read SCSI H/A configuration parameters from serial EEPROM
+************************************************************************/
+int tul_se2_rd_all(WORD CurBase)
+{
+	int i;
+	ULONG chksum = 0;
+	USHORT *np;
+
+	i91unvramp = &i91unvram;
+	np = (USHORT *) i91unvramp;
+	for (i = 0; i < 32; i++) {
+		*np++ = tul_se2_rd(CurBase, i);
+	}
+
+/*--------------------Is signature "ini" ok ? ----------------*/
+	if (i91unvramp->NVM_Signature != INI_SIGNATURE)
+		return -1;
+/*---------------------- Is ckecksum ok ? ----------------------*/
+	np = (USHORT *) i91unvramp;
+	for (i = 0; i < 31; i++)
+		chksum += *np++;
+	if (i91unvramp->NVM_CheckSum != (USHORT) chksum)
+		return -1;
+	return 1;
+}
+
+
+/***********************************************************************
+ Update SCSI H/A configuration parameters from serial EEPROM
+************************************************************************/
+void tul_se2_update_all(WORD CurBase)
+{				/* setup default pattern */
+	int i;
+	ULONG chksum = 0;
+	USHORT *np, *np1;
+
+	i91unvramp = &i91unvram;
+	/* Calculate checksum first */
+	np = (USHORT *) i91udftNvRam;
+	for (i = 0; i < 31; i++)
+		chksum += *np++;
+	*np = (USHORT) chksum;
+	tul_se2_ew_en(CurBase);	/* Enable write  */
+
+	np = (USHORT *) i91udftNvRam;
+	np1 = (USHORT *) i91unvramp;
+	for (i = 0; i < 32; i++, np++, np1++) {
+		if (*np != *np1) {
+			tul_se2_wr(CurBase, i, *np);
+		}
+	}
+
+	tul_se2_ew_ds(CurBase);	/* Disable write   */
+	return;
+}
+
+/*************************************************************************
+ Function name  : read_eeprom
+**************************************************************************/
+void tul_read_eeprom(WORD CurBase)
+{
+	UCHAR gctrl;
+
+	i91unvramp = &i91unvram;
+/*------Enable EEProm programming ---*/
+	gctrl = TUL_RD(CurBase, TUL_GCTRL);
+	TUL_WR(CurBase + TUL_GCTRL, gctrl | TUL_GCTRL_EEPROM_BIT);
+	if (tul_se2_rd_all(CurBase) != 1) {
+		tul_se2_update_all(CurBase);	/* setup default pattern */
+		tul_se2_rd_all(CurBase);	/* load again  */
+	}
+/*------ Disable EEProm programming ---*/
+	gctrl = TUL_RD(CurBase, TUL_GCTRL);
+	TUL_WR(CurBase + TUL_GCTRL, gctrl & ~TUL_GCTRL_EEPROM_BIT);
+}				/* read_eeprom */
+
+int Addi91u_into_Adapter_table(WORD wBIOS, WORD wBASE, BYTE bInterrupt,
+			       BYTE bBus, BYTE bDevice)
+{
+	int i, j;
+
+	for (i = 0; i < MAX_SUPPORTED_ADAPTERS; i++) {
+		if (i91u_adpt[i].ADPT_BIOS < wBIOS)
+			continue;
+		if (i91u_adpt[i].ADPT_BIOS == wBIOS) {
+			if (i91u_adpt[i].ADPT_BASE == wBASE) {
+				if (i91u_adpt[i].ADPT_Bus != 0xFF)
+					return (FAILURE);
+			} else if (i91u_adpt[i].ADPT_BASE < wBASE)
+					continue;
+		}
+		for (j = MAX_SUPPORTED_ADAPTERS - 1; j > i; j--) {
+			i91u_adpt[j].ADPT_BASE = i91u_adpt[j - 1].ADPT_BASE;
+			i91u_adpt[j].ADPT_INTR = i91u_adpt[j - 1].ADPT_INTR;
+			i91u_adpt[j].ADPT_BIOS = i91u_adpt[j - 1].ADPT_BIOS;
+			i91u_adpt[j].ADPT_Bus = i91u_adpt[j - 1].ADPT_Bus;
+			i91u_adpt[j].ADPT_Device = i91u_adpt[j - 1].ADPT_Device;
+		}
+		i91u_adpt[i].ADPT_BASE = wBASE;
+		i91u_adpt[i].ADPT_INTR = bInterrupt;
+		i91u_adpt[i].ADPT_BIOS = wBIOS;
+		i91u_adpt[i].ADPT_Bus = bBus;
+		i91u_adpt[i].ADPT_Device = bDevice;
+		return (SUCCESSFUL);
+	}
+	return (FAILURE);
+}
+
+void init_i91uAdapter_table(void)
+{
+	int i;
+
+	for (i = 0; i < MAX_SUPPORTED_ADAPTERS; i++) {	/* Initialize adapter structure */
+		i91u_adpt[i].ADPT_BIOS = 0xffff;
+		i91u_adpt[i].ADPT_BASE = 0xffff;
+		i91u_adpt[i].ADPT_INTR = 0xff;
+		i91u_adpt[i].ADPT_Bus = 0xff;
+		i91u_adpt[i].ADPT_Device = 0xff;
+	}
+	return;
+}
+
+void tul_stop_bm(HCS * pCurHcb)
+{
+
+	if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) {	/* if DMA xfer is pending, abort DMA xfer */
+		TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT | TAX_X_CLR_FIFO);
+		/* wait Abort DMA xfer done */
+		while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & XABT) == 0);
+	}
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
+}
+
+/***************************************************************************/
+void get_tulipPCIConfig(HCS * pCurHcb, int ch_idx)
+{
+	pCurHcb->HCS_Base = i91u_adpt[ch_idx].ADPT_BASE;	/* Supply base address  */
+	pCurHcb->HCS_BIOS = i91u_adpt[ch_idx].ADPT_BIOS;	/* Supply BIOS address  */
+	pCurHcb->HCS_Intr = i91u_adpt[ch_idx].ADPT_INTR;	/* Supply interrupt line */
+	return;
+}
+
+/***************************************************************************/
+int tul_reset_scsi(HCS * pCurHcb, int seconds)
+{
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_RST_BUS);
+
+	while (!((pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt)) & TSS_SCSIRST_INT));
+	/* reset tulip chip */
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, 0);
+
+	/* Stall for a while, wait for target's firmware ready,make it 2 sec ! */
+	/* SONY 5200 tape drive won't work if only stall for 1 sec */
+	tul_do_pause(seconds * 100);
+
+	TUL_RD(pCurHcb->HCS_Base, TUL_SInt);
+
+	return (SCSI_RESET_SUCCESS);
+}
+
+/***************************************************************************/
+int init_tulip(HCS * pCurHcb, SCB * scbp, int tul_num_scb, BYTE * pbBiosAdr, int seconds)
+{
+	int i;
+	WORD *pwFlags;
+	BYTE *pbHeads;
+	SCB *pTmpScb, *pPrevScb = NULL;
+
+	pCurHcb->HCS_NumScbs = tul_num_scb;
+	pCurHcb->HCS_Semaph = 1;
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	pCurHcb->HCS_SemaphLock = SPIN_LOCK_UNLOCKED;
+#endif
+	pCurHcb->HCS_JSStatus0 = 0;
+	pCurHcb->HCS_Scb = scbp;
+	pCurHcb->HCS_NxtPend = scbp;
+	pCurHcb->HCS_NxtAvail = scbp;
+	for (i = 0, pTmpScb = scbp; i < tul_num_scb; i++, pTmpScb++) {
+		pTmpScb->SCB_TagId = i;
+		if (i != 0)
+			pPrevScb->SCB_NxtScb = pTmpScb;
+		pPrevScb = pTmpScb;
+	}
+	pPrevScb->SCB_NxtScb = NULL;
+	pCurHcb->HCS_ScbEnd = pTmpScb;
+	pCurHcb->HCS_FirstAvail = scbp;
+	pCurHcb->HCS_LastAvail = pPrevScb;
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	pCurHcb->HCS_AvailLock = SPIN_LOCK_UNLOCKED;
+#endif
+	pCurHcb->HCS_FirstPend = NULL;
+	pCurHcb->HCS_LastPend = NULL;
+	pCurHcb->HCS_FirstBusy = NULL;
+	pCurHcb->HCS_LastBusy = NULL;
+	pCurHcb->HCS_FirstDone = NULL;
+	pCurHcb->HCS_LastDone = NULL;
+	pCurHcb->HCS_ActScb = NULL;
+	pCurHcb->HCS_ActTcs = NULL;
+
+	tul_read_eeprom(pCurHcb->HCS_Base);
+/*---------- get H/A configuration -------------*/
+	if (i91unvramp->NVM_SCSIInfo[0].NVM_NumOfTarg == 8)
+		pCurHcb->HCS_MaxTar = 8;
+	else
+		pCurHcb->HCS_MaxTar = 16;
+
+	pCurHcb->HCS_Config = i91unvramp->NVM_SCSIInfo[0].NVM_ChConfig1;
+
+	pCurHcb->HCS_SCSI_ID = i91unvramp->NVM_SCSIInfo[0].NVM_ChSCSIID;
+	pCurHcb->HCS_IdMask = ~(1 << pCurHcb->HCS_SCSI_ID);
+
+#if CHK_PARITY
+	/* Enable parity error response */
+	TUL_WR(pCurHcb->HCS_Base + TUL_PCMD, TUL_RD(pCurHcb->HCS_Base, TUL_PCMD) | 0x40);
+#endif
+
+	/* Mask all the interrupt       */
+	TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
+
+	tul_stop_bm(pCurHcb);
+	/* --- Initialize the tulip --- */
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_RST_CHIP);
+
+	/* program HBA's SCSI ID        */
+	TUL_WR(pCurHcb->HCS_Base + TUL_SScsiId, pCurHcb->HCS_SCSI_ID << 4);
+
+	/* Enable Initiator Mode ,phase latch,alternate sync period mode,
+	   disable SCSI reset */
+	if (pCurHcb->HCS_Config & HCC_EN_PAR)
+		pCurHcb->HCS_SConf1 = (TSC_INITDEFAULT | TSC_EN_SCSI_PAR);
+	else
+		pCurHcb->HCS_SConf1 = (TSC_INITDEFAULT);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_SConf1);
+
+	/* Enable HW reselect           */
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT);
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, 0);
+
+	/* selection time out = 250 ms */
+	TUL_WR(pCurHcb->HCS_Base + TUL_STimeOut, 153);
+
+/*--------- Enable SCSI terminator -----*/
+	TUL_WR(pCurHcb->HCS_Base + TUL_XCtrl, (pCurHcb->HCS_Config & (HCC_ACT_TERM1 | HCC_ACT_TERM2)));
+	TUL_WR(pCurHcb->HCS_Base + TUL_GCTRL1,
+	       ((pCurHcb->HCS_Config & HCC_AUTO_TERM) >> 4) | (TUL_RD(pCurHcb->HCS_Base, TUL_GCTRL1) & 0xFE));
+
+	for (i = 0,
+	     pwFlags = (WORD *) & (i91unvramp->NVM_SCSIInfo[0].NVM_Targ0Config),
+	     pbHeads = pbBiosAdr + 0x180;
+	     i < pCurHcb->HCS_MaxTar;
+	     i++, pwFlags++) {
+		pCurHcb->HCS_Tcs[i].TCS_Flags = *pwFlags & ~(TCF_SYNC_DONE | TCF_WDTR_DONE);
+		if (pCurHcb->HCS_Tcs[i].TCS_Flags & TCF_EN_255)
+			pCurHcb->HCS_Tcs[i].TCS_DrvFlags = TCF_DRV_255_63;
+		else
+			pCurHcb->HCS_Tcs[i].TCS_DrvFlags = 0;
+		pCurHcb->HCS_Tcs[i].TCS_JS_Period = 0;
+		pCurHcb->HCS_Tcs[i].TCS_SConfig0 = pCurHcb->HCS_SConf1;
+		pCurHcb->HCS_Tcs[i].TCS_DrvHead = *pbHeads++;
+		if (pCurHcb->HCS_Tcs[i].TCS_DrvHead == 255)
+			pCurHcb->HCS_Tcs[i].TCS_DrvFlags = TCF_DRV_255_63;
+		else
+			pCurHcb->HCS_Tcs[i].TCS_DrvFlags = 0;
+		pCurHcb->HCS_Tcs[i].TCS_DrvSector = *pbHeads++;
+		pCurHcb->HCS_Tcs[i].TCS_Flags &= ~TCF_BUSY;
+		pCurHcb->HCS_ActTags[i] = 0;
+		pCurHcb->HCS_MaxTags[i] = 0xFF;
+	}			/* for                          */
+	printk("i91u: PCI Base=0x%04X, IRQ=%d, BIOS=0x%04X0, SCSI ID=%d\n",
+	       pCurHcb->HCS_Base, pCurHcb->HCS_Intr,
+	       pCurHcb->HCS_BIOS, pCurHcb->HCS_SCSI_ID);
+/*------------------- reset SCSI Bus ---------------------------*/
+	if (pCurHcb->HCS_Config & HCC_SCSI_RESET) {
+		printk("i91u: Reset SCSI Bus ... \n");
+		tul_reset_scsi(pCurHcb, seconds);
+	}
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCFG1, 0x17);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SIntEnable, 0xE9);
+	return (0);
+}
+
+/***************************************************************************/
+SCB *tul_alloc_scb(HCS * hcsp)
+{
+	SCB *pTmpScb;
+	ULONG flags;
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_lock_irqsave(&(hcsp->HCS_AvailLock), flags);
+#else
+	save_flags(flags);
+	cli();
+#endif
+	if ((pTmpScb = hcsp->HCS_FirstAvail) != NULL) {
+#if DEBUG_QUEUE
+		printk("find scb at %08lx\n", (ULONG) pTmpScb);
+#endif
+		if ((hcsp->HCS_FirstAvail = pTmpScb->SCB_NxtScb) == NULL)
+			hcsp->HCS_LastAvail = NULL;
+		pTmpScb->SCB_NxtScb = NULL;
+		pTmpScb->SCB_Status = SCB_RENT;
+	}
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_unlock_irqrestore(&(hcsp->HCS_AvailLock), flags);
+#else
+	restore_flags(flags);
+#endif
+	return (pTmpScb);
+}
+
+/***************************************************************************/
+void tul_release_scb(HCS * hcsp, SCB * scbp)
+{
+	ULONG flags;
+
+#if DEBUG_QUEUE
+	printk("Release SCB %lx; ", (ULONG) scbp);
+#endif
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_lock_irqsave(&(hcsp->HCS_AvailLock), flags);
+#else
+	save_flags(flags);
+	cli();
+#endif
+	scbp->SCB_Srb = 0;
+	scbp->SCB_Status = 0;
+	scbp->SCB_NxtScb = NULL;
+	if (hcsp->HCS_LastAvail != NULL) {
+		hcsp->HCS_LastAvail->SCB_NxtScb = scbp;
+		hcsp->HCS_LastAvail = scbp;
+	} else {
+		hcsp->HCS_FirstAvail = scbp;
+		hcsp->HCS_LastAvail = scbp;
+	}
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_unlock_irqrestore(&(hcsp->HCS_AvailLock), flags);
+#else
+	restore_flags(flags);
+#endif
+}
+
+/***************************************************************************/
+void tul_append_pend_scb(HCS * pCurHcb, SCB * scbp)
+{
+
+#if DEBUG_QUEUE
+	printk("Append pend SCB %lx; ", (ULONG) scbp);
+#endif
+	scbp->SCB_Status = SCB_PEND;
+	scbp->SCB_NxtScb = NULL;
+	if (pCurHcb->HCS_LastPend != NULL) {
+		pCurHcb->HCS_LastPend->SCB_NxtScb = scbp;
+		pCurHcb->HCS_LastPend = scbp;
+	} else {
+		pCurHcb->HCS_FirstPend = scbp;
+		pCurHcb->HCS_LastPend = scbp;
+	}
+}
+
+/***************************************************************************/
+void tul_push_pend_scb(HCS * pCurHcb, SCB * scbp)
+{
+
+#if DEBUG_QUEUE
+	printk("Push pend SCB %lx; ", (ULONG) scbp);
+#endif
+	scbp->SCB_Status = SCB_PEND;
+	if ((scbp->SCB_NxtScb = pCurHcb->HCS_FirstPend) != NULL) {
+		pCurHcb->HCS_FirstPend = scbp;
+	} else {
+		pCurHcb->HCS_FirstPend = scbp;
+		pCurHcb->HCS_LastPend = scbp;
+	}
+}
+
+/***************************************************************************/
+SCB *tul_find_first_pend_scb(HCS * pCurHcb)
+{
+	SCB *pFirstPend;
+
+
+	pFirstPend = pCurHcb->HCS_FirstPend;
+	while (pFirstPend != NULL) {
+		if (pFirstPend->SCB_Opcode != ExecSCSI) {
+			return (pFirstPend);
+		}
+		if (pFirstPend->SCB_TagMsg == 0) {
+			if ((pCurHcb->HCS_ActTags[pFirstPend->SCB_Target] == 0) &&
+			    !(pCurHcb->HCS_Tcs[pFirstPend->SCB_Target].TCS_Flags & TCF_BUSY)) {
+				return (pFirstPend);
+			}
+		} else {
+			if ((pCurHcb->HCS_ActTags[pFirstPend->SCB_Target] >=
+			  pCurHcb->HCS_MaxTags[pFirstPend->SCB_Target]) |
+			    (pCurHcb->HCS_Tcs[pFirstPend->SCB_Target].TCS_Flags & TCF_BUSY)) {
+				pFirstPend = pFirstPend->SCB_NxtScb;
+				continue;
+			}
+			return (pFirstPend);
+		}
+		pFirstPend = pFirstPend->SCB_NxtScb;
+	}
+
+
+	return (pFirstPend);
+}
+/***************************************************************************/
+SCB *tul_pop_pend_scb(HCS * pCurHcb)
+{
+	SCB *pTmpScb;
+
+	if ((pTmpScb = pCurHcb->HCS_FirstPend) != NULL) {
+		if ((pCurHcb->HCS_FirstPend = pTmpScb->SCB_NxtScb) == NULL)
+			pCurHcb->HCS_LastPend = NULL;
+		pTmpScb->SCB_NxtScb = NULL;
+	}
+#if DEBUG_QUEUE
+	printk("Pop pend SCB %lx; ", (ULONG) pTmpScb);
+#endif
+	return (pTmpScb);
+}
+
+
+/***************************************************************************/
+void tul_unlink_pend_scb(HCS * pCurHcb, SCB * pCurScb)
+{
+	SCB *pTmpScb, *pPrevScb;
+
+#if DEBUG_QUEUE
+	printk("unlink pend SCB %lx; ", (ULONG) pCurScb);
+#endif
+
+	pPrevScb = pTmpScb = pCurHcb->HCS_FirstPend;
+	while (pTmpScb != NULL) {
+		if (pCurScb == pTmpScb) {	/* Unlink this SCB              */
+			if (pTmpScb == pCurHcb->HCS_FirstPend) {
+				if ((pCurHcb->HCS_FirstPend = pTmpScb->SCB_NxtScb) == NULL)
+					pCurHcb->HCS_LastPend = NULL;
+			} else {
+				pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb;
+				if (pTmpScb == pCurHcb->HCS_LastPend)
+					pCurHcb->HCS_LastPend = pPrevScb;
+			}
+			pTmpScb->SCB_NxtScb = NULL;
+			break;
+		}
+		pPrevScb = pTmpScb;
+		pTmpScb = pTmpScb->SCB_NxtScb;
+	}
+	return;
+}
+/***************************************************************************/
+void tul_append_busy_scb(HCS * pCurHcb, SCB * scbp)
+{
+
+#if DEBUG_QUEUE
+	printk("append busy SCB %lx; ", (ULONG) scbp);
+#endif
+	if (scbp->SCB_TagMsg)
+		pCurHcb->HCS_ActTags[scbp->SCB_Target]++;
+	else
+		pCurHcb->HCS_Tcs[scbp->SCB_Target].TCS_Flags |= TCF_BUSY;
+	scbp->SCB_Status = SCB_BUSY;
+	scbp->SCB_NxtScb = NULL;
+	if (pCurHcb->HCS_LastBusy != NULL) {
+		pCurHcb->HCS_LastBusy->SCB_NxtScb = scbp;
+		pCurHcb->HCS_LastBusy = scbp;
+	} else {
+		pCurHcb->HCS_FirstBusy = scbp;
+		pCurHcb->HCS_LastBusy = scbp;
+	}
+}
+
+/***************************************************************************/
+SCB *tul_pop_busy_scb(HCS * pCurHcb)
+{
+	SCB *pTmpScb;
+
+
+	if ((pTmpScb = pCurHcb->HCS_FirstBusy) != NULL) {
+		if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL)
+			pCurHcb->HCS_LastBusy = NULL;
+		pTmpScb->SCB_NxtScb = NULL;
+		if (pTmpScb->SCB_TagMsg)
+			pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--;
+		else
+			pCurHcb->HCS_Tcs[pTmpScb->SCB_Target].TCS_Flags &= ~TCF_BUSY;
+	}
+#if DEBUG_QUEUE
+	printk("Pop busy SCB %lx; ", (ULONG) pTmpScb);
+#endif
+	return (pTmpScb);
+}
+
+/***************************************************************************/
+void tul_unlink_busy_scb(HCS * pCurHcb, SCB * pCurScb)
+{
+	SCB *pTmpScb, *pPrevScb;
+
+#if DEBUG_QUEUE
+	printk("unlink busy SCB %lx; ", (ULONG) pCurScb);
+#endif
+
+	pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy;
+	while (pTmpScb != NULL) {
+		if (pCurScb == pTmpScb) {	/* Unlink this SCB              */
+			if (pTmpScb == pCurHcb->HCS_FirstBusy) {
+				if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL)
+					pCurHcb->HCS_LastBusy = NULL;
+			} else {
+				pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb;
+				if (pTmpScb == pCurHcb->HCS_LastBusy)
+					pCurHcb->HCS_LastBusy = pPrevScb;
+			}
+			pTmpScb->SCB_NxtScb = NULL;
+			if (pTmpScb->SCB_TagMsg)
+				pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--;
+			else
+				pCurHcb->HCS_Tcs[pTmpScb->SCB_Target].TCS_Flags &= ~TCF_BUSY;
+			break;
+		}
+		pPrevScb = pTmpScb;
+		pTmpScb = pTmpScb->SCB_NxtScb;
+	}
+	return;
+}
+
+/***************************************************************************/
+SCB *tul_find_busy_scb(HCS * pCurHcb, WORD tarlun)
+{
+	SCB *pTmpScb, *pPrevScb;
+	WORD scbp_tarlun;
+
+
+	pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy;
+	while (pTmpScb != NULL) {
+		scbp_tarlun = (pTmpScb->SCB_Lun << 8) | (pTmpScb->SCB_Target);
+		if (scbp_tarlun == tarlun) {	/* Unlink this SCB              */
+			break;
+		}
+		pPrevScb = pTmpScb;
+		pTmpScb = pTmpScb->SCB_NxtScb;
+	}
+#if DEBUG_QUEUE
+	printk("find busy SCB %lx; ", (ULONG) pTmpScb);
+#endif
+	return (pTmpScb);
+}
+
+/***************************************************************************/
+void tul_append_done_scb(HCS * pCurHcb, SCB * scbp)
+{
+
+#if DEBUG_QUEUE
+	printk("append done SCB %lx; ", (ULONG) scbp);
+#endif
+
+	scbp->SCB_Status = SCB_DONE;
+	scbp->SCB_NxtScb = NULL;
+	if (pCurHcb->HCS_LastDone != NULL) {
+		pCurHcb->HCS_LastDone->SCB_NxtScb = scbp;
+		pCurHcb->HCS_LastDone = scbp;
+	} else {
+		pCurHcb->HCS_FirstDone = scbp;
+		pCurHcb->HCS_LastDone = scbp;
+	}
+}
+
+/***************************************************************************/
+SCB *tul_find_done_scb(HCS * pCurHcb)
+{
+	SCB *pTmpScb;
+
+
+	if ((pTmpScb = pCurHcb->HCS_FirstDone) != NULL) {
+		if ((pCurHcb->HCS_FirstDone = pTmpScb->SCB_NxtScb) == NULL)
+			pCurHcb->HCS_LastDone = NULL;
+		pTmpScb->SCB_NxtScb = NULL;
+	}
+#if DEBUG_QUEUE
+	printk("find done SCB %lx; ", (ULONG) pTmpScb);
+#endif
+	return (pTmpScb);
+}
+
+/***************************************************************************/
+int tul_abort_srb(HCS * pCurHcb, ULONG srbp)
+{
+	ULONG flags;
+	SCB *pTmpScb, *pPrevScb;
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+	save_flags(flags);
+	cli();
+#endif
+
+	if ((pCurHcb->HCS_Semaph == 0) && (pCurHcb->HCS_ActScb == NULL)) {
+		TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
+		/* disable Jasmin SCSI Int        */
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+                spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#endif
+
+		tulip_main(pCurHcb);
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+        	spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
+#endif
+
+		pCurHcb->HCS_Semaph = 1;
+		TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+		spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+		restore_flags(flags);
+#endif
+
+		return SCSI_ABORT_SNOOZE;
+	}
+	pPrevScb = pTmpScb = pCurHcb->HCS_FirstPend;	/* Check Pend queue */
+	while (pTmpScb != NULL) {
+		/* 07/27/98 */
+		if (pTmpScb->SCB_Srb == (unsigned char *) srbp) {
+			if (pTmpScb == pCurHcb->HCS_ActScb) {
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+				spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+				restore_flags(flags);
+#endif
+				return SCSI_ABORT_BUSY;
+			} else if (pTmpScb == pCurHcb->HCS_FirstPend) {
+				if ((pCurHcb->HCS_FirstPend = pTmpScb->SCB_NxtScb) == NULL)
+					pCurHcb->HCS_LastPend = NULL;
+			} else {
+				pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb;
+				if (pTmpScb == pCurHcb->HCS_LastPend)
+					pCurHcb->HCS_LastPend = pPrevScb;
+			}
+			pTmpScb->SCB_HaStat = HOST_ABORTED;
+			pTmpScb->SCB_Flags |= SCF_DONE;
+			if (pTmpScb->SCB_Flags & SCF_POST)
+				(*pTmpScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pTmpScb);
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+			spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+			restore_flags(flags);
+#endif
+			return SCSI_ABORT_SUCCESS;
+		}
+		pPrevScb = pTmpScb;
+		pTmpScb = pTmpScb->SCB_NxtScb;
+	}
+
+	pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy;	/* Check Busy queue */
+	while (pTmpScb != NULL) {
+
+		if (pTmpScb->SCB_Srb == (unsigned char *) srbp) {
+
+			if (pTmpScb == pCurHcb->HCS_ActScb) {
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+				spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+				restore_flags(flags);
+#endif
+				return SCSI_ABORT_BUSY;
+			} else if (pTmpScb->SCB_TagMsg == 0) {
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+				spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+				restore_flags(flags);
+#endif
+				return SCSI_ABORT_BUSY;
+			} else {
+				pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--;
+				if (pTmpScb == pCurHcb->HCS_FirstBusy) {
+					if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL)
+						pCurHcb->HCS_LastBusy = NULL;
+				} else {
+					pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb;
+					if (pTmpScb == pCurHcb->HCS_LastBusy)
+						pCurHcb->HCS_LastBusy = pPrevScb;
+				}
+				pTmpScb->SCB_NxtScb = NULL;
+
+
+				pTmpScb->SCB_HaStat = HOST_ABORTED;
+				pTmpScb->SCB_Flags |= SCF_DONE;
+				if (pTmpScb->SCB_Flags & SCF_POST)
+					(*pTmpScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pTmpScb);
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+				spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+				restore_flags(flags);
+#endif
+				return SCSI_ABORT_SUCCESS;
+			}
+		}
+		pPrevScb = pTmpScb;
+		pTmpScb = pTmpScb->SCB_NxtScb;
+	}
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+	restore_flags(flags);
+#endif
+	return (SCSI_ABORT_NOT_RUNNING);
+}
+
+/***************************************************************************/
+int tul_bad_seq(HCS * pCurHcb)
+{
+	SCB *pCurScb;
+
+	printk("tul_bad_seg c=%d\n", pCurHcb->HCS_Index);
+
+	if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) {
+		tul_unlink_busy_scb(pCurHcb, pCurScb);
+		pCurScb->SCB_HaStat = HOST_BAD_PHAS;
+		pCurScb->SCB_TaStat = 0;
+		tul_append_done_scb(pCurHcb, pCurScb);
+	}
+	tul_stop_bm(pCurHcb);
+
+	tul_reset_scsi(pCurHcb, 8);	/* 7/29/98 */
+
+	return (tul_post_scsi_rst(pCurHcb));
+}
+
+/************************************************************************/
+int tul_device_reset(HCS * pCurHcb, ULONG pSrb, unsigned int target, unsigned int ResetFlags)
+{
+	ULONG flags;
+	SCB *pScb;
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+	save_flags(flags);
+	cli();
+#endif
+
+	if (ResetFlags & SCSI_RESET_ASYNCHRONOUS) {
+
+		if ((pCurHcb->HCS_Semaph == 0) && (pCurHcb->HCS_ActScb == NULL)) {
+			TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
+			/* disable Jasmin SCSI Int        */
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+        		spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#endif
+
+			tulip_main(pCurHcb);
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+        		spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
+#endif
+
+			pCurHcb->HCS_Semaph = 1;
+			TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+			spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+			restore_flags(flags);
+#endif
+
+			return SCSI_RESET_SNOOZE;
+		}
+		pScb = pCurHcb->HCS_FirstBusy;	/* Check Busy queue */
+		while (pScb != NULL) {
+			if (pScb->SCB_Srb == (unsigned char *) pSrb)
+				break;
+			pScb = pScb->SCB_NxtScb;
+		}
+		if (pScb == NULL) {
+			printk("Unable to Reset - No SCB Found\n");
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+			spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+			restore_flags(flags);
+#endif
+			return SCSI_RESET_NOT_RUNNING;
+		}
+	}
+	if ((pScb = tul_alloc_scb(pCurHcb)) == NULL) {
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+		spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+		restore_flags(flags);
+#endif
+		return SCSI_RESET_NOT_RUNNING;
+	}
+	pScb->SCB_Opcode = BusDevRst;
+	pScb->SCB_Flags = SCF_POST;
+	pScb->SCB_Target = target;
+	pScb->SCB_Mode = 0;
+
+	pScb->SCB_Srb = 0;
+	if (ResetFlags & SCSI_RESET_SYNCHRONOUS) {
+		pScb->SCB_Srb = (unsigned char *) pSrb;
+	}
+	tul_push_pend_scb(pCurHcb, pScb);	/* push this SCB to Pending queue */
+
+	if (pCurHcb->HCS_Semaph == 1) {
+		TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
+		/* disable Jasmin SCSI Int        */
+		pCurHcb->HCS_Semaph = 0;
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+        	spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#endif
+
+		tulip_main(pCurHcb);
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+                spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
+#endif
+
+		pCurHcb->HCS_Semaph = 1;
+		TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
+	}
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+	restore_flags(flags);
+#endif
+	return SCSI_RESET_PENDING;
+}
+
+int tul_reset_scsi_bus(HCS * pCurHcb)
+{
+	ULONG flags;
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+	save_flags(flags);
+	cli();
+#endif
+	TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
+	pCurHcb->HCS_Semaph = 0;
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+	restore_flags(flags);
+#endif
+
+	tul_stop_bm(pCurHcb);
+
+	tul_reset_scsi(pCurHcb, 2);	/* 7/29/98 */
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+	save_flags(flags);
+	cli();
+#endif
+	tul_post_scsi_rst(pCurHcb);
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+        spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#endif
+
+	tulip_main(pCurHcb);
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+        spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
+#endif
+
+	pCurHcb->HCS_Semaph = 1;
+	TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+	restore_flags(flags);
+#endif
+	return (SCSI_RESET_SUCCESS | SCSI_RESET_HOST_RESET);
+}
+
+/************************************************************************/
+void tul_exec_scb(HCS * pCurHcb, SCB * pCurScb)
+{
+	ULONG flags;
+
+	pCurScb->SCB_Mode = 0;
+
+	pCurScb->SCB_SGIdx = 0;
+	pCurScb->SCB_SGMax = pCurScb->SCB_SGLen;
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+	save_flags(flags);
+	cli();
+#endif
+
+	tul_append_pend_scb(pCurHcb, pCurScb);	/* Append this SCB to Pending queue */
+
+/* VVVVV 07/21/98 */
+	if (pCurHcb->HCS_Semaph == 1) {
+		TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
+		/* disable Jasmin SCSI Int        */
+		pCurHcb->HCS_Semaph = 0;
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+        	spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#endif
+
+		tulip_main(pCurHcb);
+
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+        	spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
+#endif
+
+		pCurHcb->HCS_Semaph = 1;
+		TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
+	}
+#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
+	spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
+#else
+	restore_flags(flags);
+#endif
+	return;
+}
+
+/***************************************************************************/
+int tul_isr(HCS * pCurHcb)
+{
+	/* Enter critical section       */
+
+	if (TUL_RD(pCurHcb->HCS_Base, TUL_Int) & TSS_INT_PENDING) {
+		if (pCurHcb->HCS_Semaph == 1) {
+			TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
+			/* Disable Tulip SCSI Int */
+			pCurHcb->HCS_Semaph = 0;
+
+			tulip_main(pCurHcb);
+
+			pCurHcb->HCS_Semaph = 1;
+			TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
+			return (1);
+		}
+	}
+	return (0);
+}
+
+/***************************************************************************/
+int tulip_main(HCS * pCurHcb)
+{
+	SCB *pCurScb;
+
+	for (;;) {
+
+		tulip_scsi(pCurHcb);	/* Call tulip_scsi              */
+
+		while ((pCurScb = tul_find_done_scb(pCurHcb)) != NULL) {	/* find done entry */
+			if (pCurScb->SCB_TaStat == QUEUE_FULL) {
+				pCurHcb->HCS_MaxTags[pCurScb->SCB_Target] =
+				    pCurHcb->HCS_ActTags[pCurScb->SCB_Target] - 1;
+				pCurScb->SCB_TaStat = 0;
+				tul_append_pend_scb(pCurHcb, pCurScb);
+				continue;
+			}
+			if (!(pCurScb->SCB_Mode & SCM_RSENS)) {		/* not in auto req. sense mode */
+				if (pCurScb->SCB_TaStat == 2) {
+
+					/* clr sync. nego flag */
+
+					if (pCurScb->SCB_Flags & SCF_SENSE) {
+						BYTE len;
+						len = pCurScb->SCB_SenseLen;
+						if (len == 0)
+							len = 1;
+						pCurScb->SCB_BufLen = pCurScb->SCB_SenseLen;
+						pCurScb->SCB_BufPtr = pCurScb->SCB_SensePtr;
+						pCurScb->SCB_Flags &= ~(SCF_SG | SCF_DIR);	/* for xfer_data_in */
+/*                      pCurScb->SCB_Flags |= SCF_NO_DCHK;      */
+						/* so, we won't report worng direction in xfer_data_in,
+						   and won't report HOST_DO_DU in state_6 */
+						pCurScb->SCB_Mode = SCM_RSENS;
+						pCurScb->SCB_Ident &= 0xBF;	/* Disable Disconnect */
+						pCurScb->SCB_TagMsg = 0;
+						pCurScb->SCB_TaStat = 0;
+						pCurScb->SCB_CDBLen = 6;
+						pCurScb->SCB_CDB[0] = SCSICMD_RequestSense;
+						pCurScb->SCB_CDB[1] = 0;
+						pCurScb->SCB_CDB[2] = 0;
+						pCurScb->SCB_CDB[3] = 0;
+						pCurScb->SCB_CDB[4] = len;
+						pCurScb->SCB_CDB[5] = 0;
+						tul_push_pend_scb(pCurHcb, pCurScb);
+						break;
+					}
+				}
+			} else {	/* in request sense mode */
+
+				if (pCurScb->SCB_TaStat == 2) {		/* check contition status again after sending
+									   requset sense cmd 0x3 */
+					pCurScb->SCB_HaStat = HOST_BAD_PHAS;
+				}
+				pCurScb->SCB_TaStat = 2;
+			}
+			pCurScb->SCB_Flags |= SCF_DONE;
+			if (pCurScb->SCB_Flags & SCF_POST) {
+				(*pCurScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pCurScb);
+			}
+		}		/* while */
+
+		/* find_active: */
+		if (TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0) & TSS_INT_PENDING)
+			continue;
+
+		if (pCurHcb->HCS_ActScb) {	/* return to OS and wait for xfer_done_ISR/Selected_ISR */
+			return 1;	/* return to OS, enable interrupt */
+		}
+		/* Check pending SCB            */
+		if (tul_find_first_pend_scb(pCurHcb) == NULL) {
+			return 1;	/* return to OS, enable interrupt */
+		}
+	}			/* End of for loop */
+	/* statement won't reach here */
+}
+
+
+
+
+/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
+/***************************************************************************/
+/***************************************************************************/
+/***************************************************************************/
+/***************************************************************************/
+
+/***************************************************************************/
+void tulip_scsi(HCS * pCurHcb)
+{
+	SCB *pCurScb;
+	TCS *pCurTcb;
+
+	/* make sure to service interrupt asap */
+
+	if ((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) & TSS_INT_PENDING) {
+
+		pCurHcb->HCS_Phase = pCurHcb->HCS_JSStatus0 & TSS_PH_MASK;
+		pCurHcb->HCS_JSStatus1 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1);
+		pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt);
+		if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) {	/* SCSI bus reset detected      */
+			int_tul_scsi_rst(pCurHcb);
+			return;
+		}
+		if (pCurHcb->HCS_JSInt & TSS_RESEL_INT) {	/* if selected/reselected interrupt */
+			if (int_tul_resel(pCurHcb) == 0)
+				tul_next_state(pCurHcb);
+			return;
+		}
+		if (pCurHcb->HCS_JSInt & TSS_SEL_TIMEOUT) {
+			int_tul_busfree(pCurHcb);
+			return;
+		}
+		if (pCurHcb->HCS_JSInt & TSS_DISC_INT) {	/* BUS disconnection            */
+			int_tul_busfree(pCurHcb);	/* unexpected bus free or sel timeout */
+			return;
+		}
+		if (pCurHcb->HCS_JSInt & (TSS_FUNC_COMP | TSS_BUS_SERV)) {	/* func complete or Bus service */
+			if ((pCurScb = pCurHcb->HCS_ActScb) != NULL)
+				tul_next_state(pCurHcb);
+			return;
+		}
+	}
+	if (pCurHcb->HCS_ActScb != NULL)
+		return;
+
+	if ((pCurScb = tul_find_first_pend_scb(pCurHcb)) == NULL)
+		return;
+
+	/* program HBA's SCSI ID & target SCSI ID */
+	TUL_WR(pCurHcb->HCS_Base + TUL_SScsiId,
+	     (pCurHcb->HCS_SCSI_ID << 4) | (pCurScb->SCB_Target & 0x0F));
+	if (pCurScb->SCB_Opcode == ExecSCSI) {
+		pCurTcb = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target];
+
+		if (pCurScb->SCB_TagMsg)
+			pCurTcb->TCS_DrvFlags |= TCF_DRV_EN_TAG;
+		else
+			pCurTcb->TCS_DrvFlags &= ~TCF_DRV_EN_TAG;
+
+		TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurTcb->TCS_JS_Period);
+		if ((pCurTcb->TCS_Flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) {	/* do wdtr negotiation          */
+			tul_select_atn_stop(pCurHcb, pCurScb);
+		} else {
+			if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) {	/* do sync negotiation          */
+				tul_select_atn_stop(pCurHcb, pCurScb);
+			} else {
+				if (pCurScb->SCB_TagMsg)
+					tul_select_atn3(pCurHcb, pCurScb);
+				else
+					tul_select_atn(pCurHcb, pCurScb);
+			}
+		}
+		if (pCurScb->SCB_Flags & SCF_POLL) {
+			while (wait_tulip(pCurHcb) != -1) {
+				if (tul_next_state(pCurHcb) == -1)
+					break;
+			}
+		}
+	} else if (pCurScb->SCB_Opcode == BusDevRst) {
+		tul_select_atn_stop(pCurHcb, pCurScb);
+		pCurScb->SCB_NxtStat = 8;
+		if (pCurScb->SCB_Flags & SCF_POLL) {
+			while (wait_tulip(pCurHcb) != -1) {
+				if (tul_next_state(pCurHcb) == -1)
+					break;
+			}
+		}
+	} else if (pCurScb->SCB_Opcode == AbortCmd) {
+		ULONG srbp;
+
+		srbp = (ULONG) pCurScb->SCB_Srb;
+/* 08/03/98 */
+		if (tul_abort_srb(pCurHcb, srbp) != 0) {
+
+
+			tul_unlink_pend_scb(pCurHcb, pCurScb);
+
+			tul_release_scb(pCurHcb, pCurScb);
+		} else {
+			pCurScb->SCB_Opcode = BusDevRst;
+			tul_select_atn_stop(pCurHcb, pCurScb);
+			pCurScb->SCB_NxtStat = 8;
+		}
+
+/* 08/03/98 */
+	} else {
+		tul_unlink_pend_scb(pCurHcb, pCurScb);
+		pCurScb->SCB_HaStat = 0x16;	/* bad command */
+		tul_append_done_scb(pCurHcb, pCurScb);
+	}
+	return;
+}
+
+
+/***************************************************************************/
+int tul_next_state(HCS * pCurHcb)
+{
+	int next;
+
+	next = pCurHcb->HCS_ActScb->SCB_NxtStat;
+	for (;;) {
+		switch (next) {
+		case 1:
+			next = tul_state_1(pCurHcb);
+			break;
+		case 2:
+			next = tul_state_2(pCurHcb);
+			break;
+		case 3:
+			next = tul_state_3(pCurHcb);
+			break;
+		case 4:
+			next = tul_state_4(pCurHcb);
+			break;
+		case 5:
+			next = tul_state_5(pCurHcb);
+			break;
+		case 6:
+			next = tul_state_6(pCurHcb);
+			break;
+		case 7:
+			next = tul_state_7(pCurHcb);
+			break;
+		case 8:
+			return (tul_bus_device_reset(pCurHcb));
+		default:
+			return (tul_bad_seq(pCurHcb));
+		}
+		if (next <= 0)
+			return next;
+	}
+}
+
+
+/***************************************************************************/
+/* sTate after selection with attention & stop */
+int tul_state_1(HCS * pCurHcb)
+{
+	SCB *pCurScb = pCurHcb->HCS_ActScb;
+	TCS *pCurTcb = pCurHcb->HCS_ActTcs;
+#if DEBUG_STATE
+	printk("-s1-");
+#endif
+
+	tul_unlink_pend_scb(pCurHcb, pCurScb);
+	tul_append_busy_scb(pCurHcb, pCurScb);
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0);
+	/* ATN on */
+	if (pCurHcb->HCS_Phase == MSG_OUT) {
+
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, (TSC_EN_BUS_IN | TSC_HW_RESELECT));
+
+		TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident);
+
+		if (pCurScb->SCB_TagMsg) {
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagMsg);
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagId);
+		}
+		if ((pCurTcb->TCS_Flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) {
+
+			pCurTcb->TCS_Flags |= TCF_WDTR_DONE;
+
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND);
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 2);	/* Extended msg length */
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3);	/* Sync request */
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1);	/* Start from 16 bits */
+		} else if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) {
+
+			pCurTcb->TCS_Flags |= TCF_SYNC_DONE;
+
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND);
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3);	/* extended msg length */
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1);	/* sync request */
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, tul_rate_tbl[pCurTcb->TCS_Flags & TCF_SCSI_RATE]);
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MAX_OFFSET);	/* REQ/ACK offset */
+		}
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+		if (wait_tulip(pCurHcb) == -1)
+			return (-1);
+	}
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)));
+	return (3);
+}
+
+
+/***************************************************************************/
+/* state after selection with attention */
+/* state after selection with attention3 */
+int tul_state_2(HCS * pCurHcb)
+{
+	SCB *pCurScb = pCurHcb->HCS_ActScb;
+	TCS *pCurTcb = pCurHcb->HCS_ActTcs;
+#if DEBUG_STATE
+	printk("-s2-");
+#endif
+
+	tul_unlink_pend_scb(pCurHcb, pCurScb);
+	tul_append_busy_scb(pCurHcb, pCurScb);
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0);
+
+	if (pCurHcb->HCS_JSStatus1 & TSS_CMD_PH_CMP) {
+		return (4);
+	}
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)));
+	return (3);
+}
+
+/***************************************************************************/
+/* state before CDB xfer is done */
+int tul_state_3(HCS * pCurHcb)
+{
+	SCB *pCurScb = pCurHcb->HCS_ActScb;
+	TCS *pCurTcb = pCurHcb->HCS_ActTcs;
+	int i;
+
+#if DEBUG_STATE
+	printk("-s3-");
+#endif
+	for (;;) {
+		switch (pCurHcb->HCS_Phase) {
+		case CMD_OUT:	/* Command out phase            */
+			for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++)
+				TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]);
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+			if (wait_tulip(pCurHcb) == -1)
+				return (-1);
+			if (pCurHcb->HCS_Phase == CMD_OUT) {
+				return (tul_bad_seq(pCurHcb));
+			}
+			return (4);
+
+		case MSG_IN:	/* Message in phase             */
+			pCurScb->SCB_NxtStat = 3;
+			if (tul_msgin(pCurHcb) == -1)
+				return (-1);
+			break;
+
+		case STATUS_IN:	/* Status phase                 */
+			if (tul_status_msg(pCurHcb) == -1)
+				return (-1);
+			break;
+
+		case MSG_OUT:	/* Message out phase            */
+			if (pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) {
+
+				TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP);		/* msg nop */
+				TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+				if (wait_tulip(pCurHcb) == -1)
+					return (-1);
+
+			} else {
+				pCurTcb->TCS_Flags |= TCF_SYNC_DONE;
+
+				TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND);
+				TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3);	/* ext. msg len */
+				TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1);	/* sync request */
+				TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, tul_rate_tbl[pCurTcb->TCS_Flags & TCF_SCSI_RATE]);
+				TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MAX_OFFSET);	/* REQ/ACK offset */
+				TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+				if (wait_tulip(pCurHcb) == -1)
+					return (-1);
+				TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
+				TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7));
+
+			}
+			break;
+
+		default:
+			return (tul_bad_seq(pCurHcb));
+		}
+	}
+}
+
+
+/***************************************************************************/
+int tul_state_4(HCS * pCurHcb)
+{
+	SCB *pCurScb = pCurHcb->HCS_ActScb;
+
+#if DEBUG_STATE
+	printk("-s4-");
+#endif
+	if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_NO_XF) {
+		return (6);	/* Go to state 6                */
+	}
+	for (;;) {
+		if (pCurScb->SCB_BufLen == 0)
+			return (6);	/* Go to state 6                */
+
+		switch (pCurHcb->HCS_Phase) {
+
+		case STATUS_IN:	/* Status phase                 */
+			if ((pCurScb->SCB_Flags & SCF_DIR) != 0) {	/* if direction bit set then report data underrun */
+				pCurScb->SCB_HaStat = HOST_DO_DU;
+			}
+			if ((tul_status_msg(pCurHcb)) == -1)
+				return (-1);
+			break;
+
+		case MSG_IN:	/* Message in phase             */
+			pCurScb->SCB_NxtStat = 0x4;
+			if (tul_msgin(pCurHcb) == -1)
+				return (-1);
+			break;
+
+		case MSG_OUT:	/* Message out phase            */
+			if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) {
+				pCurScb->SCB_BufLen = 0;
+				pCurScb->SCB_HaStat = HOST_DO_DU;
+				if (tul_msgout_ide(pCurHcb) == -1)
+					return (-1);
+				return (6);	/* Go to state 6                */
+			} else {
+				TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP);		/* msg nop */
+				TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+				if (wait_tulip(pCurHcb) == -1)
+					return (-1);
+			}
+			break;
+
+		case DATA_IN:	/* Data in phase                */
+			return (tul_xfer_data_in(pCurHcb));
+
+		case DATA_OUT:	/* Data out phase               */
+			return (tul_xfer_data_out(pCurHcb));
+
+		default:
+			return (tul_bad_seq(pCurHcb));
+		}
+	}
+}
+
+
+/***************************************************************************/
+/* state after dma xfer done or phase change before xfer done */
+int tul_state_5(HCS * pCurHcb)
+{
+	SCB *pCurScb = pCurHcb->HCS_ActScb;
+	long cnt, xcnt;		/* cannot use unsigned !! code: if (xcnt < 0) */
+
+#if DEBUG_STATE
+	printk("-s5-");
+#endif
+/*------ get remaining count -------*/
+
+	cnt = TUL_RDLONG(pCurHcb->HCS_Base, TUL_SCnt0) & 0x0FFFFFF;
+
+	if (TUL_RD(pCurHcb->HCS_Base, TUL_XCmd) & 0x20) {
+		/* ----------------------- DATA_IN ----------------------------- */
+		/* check scsi parity error */
+		if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) {
+			pCurScb->SCB_HaStat = HOST_DO_DU;
+		}
+		if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) {	/* DMA xfer pending, Send STOP  */
+			/* tell Hardware  scsi xfer has been terminated */
+			TUL_WR(pCurHcb->HCS_Base + TUL_XCtrl, TUL_RD(pCurHcb->HCS_Base, TUL_XCtrl) | 0x80);
+			/* wait until DMA xfer not pending */
+			while (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND);
+		}
+	} else {
+/*-------- DATA OUT -----------*/
+		if ((TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1) & TSS_XFER_CMP) == 0) {
+			if (pCurHcb->HCS_ActTcs->TCS_JS_Period & TSC_WIDE_SCSI)
+				cnt += (TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F) << 1;
+			else
+				cnt += (TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F);
+		}
+		if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) {	/* if DMA xfer is pending, abort DMA xfer */
+			TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT);
+			/* wait Abort DMA xfer done */
+			while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & XABT) == 0);
+		}
+		if ((cnt == 1) && (pCurHcb->HCS_Phase == DATA_OUT)) {
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+			if (wait_tulip(pCurHcb) == -1) {
+				return (-1);
+			}
+			cnt = 0;
+		} else {
+			if ((TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1) & TSS_XFER_CMP) == 0)
+				TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
+		}
+	}
+
+	if (cnt == 0) {
+		pCurScb->SCB_BufLen = 0;
+		return (6);	/* Go to state 6                */
+	}
+	/* Update active data pointer */
+	xcnt = (long) pCurScb->SCB_BufLen - cnt;	/* xcnt== bytes already xferred */
+	pCurScb->SCB_BufLen = (U32) cnt;	/* cnt == bytes left to be xferred */
+	if (pCurScb->SCB_Flags & SCF_SG) {
+		register SG *sgp;
+		ULONG i;
+
+		sgp = &pCurScb->SCB_SGList[pCurScb->SCB_SGIdx];
+		for (i = pCurScb->SCB_SGIdx; i < pCurScb->SCB_SGMax; sgp++, i++) {
+			xcnt -= (long) sgp->SG_Len;
+			if (xcnt < 0) {		/* this sgp xfer half done */
+				xcnt += (long) sgp->SG_Len;	/* xcnt == bytes xferred in this sgp */
+				sgp->SG_Ptr += (U32) xcnt;	/* new ptr to be xfer */
+				sgp->SG_Len -= (U32) xcnt;	/* new len to be xfer */
+				pCurScb->SCB_BufPtr += ((U32) (i - pCurScb->SCB_SGIdx) << 3);
+				/* new SG table ptr */
+				pCurScb->SCB_SGLen = (BYTE) (pCurScb->SCB_SGMax - i);
+				/* new SG table len */
+				pCurScb->SCB_SGIdx = (WORD) i;
+				/* for next disc and come in this loop */
+				return (4);	/* Go to state 4                */
+			}
+			/* else (xcnt >= 0 , i.e. this sgp already xferred */
+		}		/* for */
+		return (6);	/* Go to state 6                */
+	} else {
+		pCurScb->SCB_BufPtr += (U32) xcnt;
+	}
+	return (4);		/* Go to state 4                */
+}
+
+/***************************************************************************/
+/* state after Data phase */
+int tul_state_6(HCS * pCurHcb)
+{
+	SCB *pCurScb = pCurHcb->HCS_ActScb;
+
+#if DEBUG_STATE
+	printk("-s6-");
+#endif
+	for (;;) {
+		switch (pCurHcb->HCS_Phase) {
+		case STATUS_IN:	/* Status phase                 */
+			if ((tul_status_msg(pCurHcb)) == -1)
+				return (-1);
+			break;
+
+		case MSG_IN:	/* Message in phase             */
+			pCurScb->SCB_NxtStat = 6;
+			if ((tul_msgin(pCurHcb)) == -1)
+				return (-1);
+			break;
+
+		case MSG_OUT:	/* Message out phase            */
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP);		/* msg nop */
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+			if (wait_tulip(pCurHcb) == -1)
+				return (-1);
+			break;
+
+		case DATA_IN:	/* Data in phase                */
+			return (tul_xpad_in(pCurHcb));
+
+		case DATA_OUT:	/* Data out phase               */
+			return (tul_xpad_out(pCurHcb));
+
+		default:
+			return (tul_bad_seq(pCurHcb));
+		}
+	}
+}
+
+/***************************************************************************/
+int tul_state_7(HCS * pCurHcb)
+{
+	int cnt, i;
+
+#if DEBUG_STATE
+	printk("-s7-");
+#endif
+	/* flush SCSI FIFO */
+	cnt = TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F;
+	if (cnt) {
+		for (i = 0; i < cnt; i++)
+			TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);
+	}
+	switch (pCurHcb->HCS_Phase) {
+	case DATA_IN:		/* Data in phase                */
+	case DATA_OUT:		/* Data out phase               */
+		return (tul_bad_seq(pCurHcb));
+	default:
+		return (6);	/* Go to state 6                */
+	}
+}
+
+/***************************************************************************/
+int tul_xfer_data_in(HCS * pCurHcb)
+{
+	SCB *pCurScb = pCurHcb->HCS_ActScb;
+
+	if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_DOUT) {
+		return (6);	/* wrong direction */
+	}
+	TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, pCurScb->SCB_BufLen);
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_DMA_IN);	/* 7/25/95 */
+
+	if (pCurScb->SCB_Flags & SCF_SG) {	/* S/G xfer */
+		TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, ((ULONG) pCurScb->SCB_SGLen) << 3);
+		TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr);
+		TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_SG_IN);
+	} else {
+		TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, pCurScb->SCB_BufLen);
+		TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr);
+		TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_IN);
+	}
+	pCurScb->SCB_NxtStat = 0x5;
+	return (0);		/* return to OS, wait xfer done , let jas_isr come in */
+}
+
+
+/***************************************************************************/
+int tul_xfer_data_out(HCS * pCurHcb)
+{
+	SCB *pCurScb = pCurHcb->HCS_ActScb;
+
+	if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_DIN) {
+		return (6);	/* wrong direction */
+	}
+	TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, pCurScb->SCB_BufLen);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_DMA_OUT);
+
+	if (pCurScb->SCB_Flags & SCF_SG) {	/* S/G xfer */
+		TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, ((ULONG) pCurScb->SCB_SGLen) << 3);
+		TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr);
+		TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_SG_OUT);
+	} else {
+		TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, pCurScb->SCB_BufLen);
+		TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr);
+		TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_OUT);
+	}
+
+	pCurScb->SCB_NxtStat = 0x5;
+	return (0);		/* return to OS, wait xfer done , let jas_isr come in */
+}
+
+
+/***************************************************************************/
+int tul_xpad_in(HCS * pCurHcb)
+{
+	SCB *pCurScb = pCurHcb->HCS_ActScb;
+	TCS *pCurTcb = pCurHcb->HCS_ActTcs;
+
+	if ((pCurScb->SCB_Flags & SCF_DIR) != SCF_NO_DCHK) {
+		pCurScb->SCB_HaStat = HOST_DO_DU;	/* over run             */
+	}
+	for (;;) {
+		if (pCurTcb->TCS_JS_Period & TSC_WIDE_SCSI)
+			TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 2);
+		else
+			TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
+
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
+		if ((wait_tulip(pCurHcb)) == -1) {
+			return (-1);
+		}
+		if (pCurHcb->HCS_Phase != DATA_IN) {
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
+			return (6);
+		}
+		TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);
+	}
+}
+
+int tul_xpad_out(HCS * pCurHcb)
+{
+	SCB *pCurScb = pCurHcb->HCS_ActScb;
+	TCS *pCurTcb = pCurHcb->HCS_ActTcs;
+
+	if ((pCurScb->SCB_Flags & SCF_DIR) != SCF_NO_DCHK) {
+		pCurScb->SCB_HaStat = HOST_DO_DU;	/* over run             */
+	}
+	for (;;) {
+		if (pCurTcb->TCS_JS_Period & TSC_WIDE_SCSI)
+			TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 2);
+		else
+			TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
+
+		TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 0);
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+		if ((wait_tulip(pCurHcb)) == -1) {
+			return (-1);
+		}
+		if (pCurHcb->HCS_Phase != DATA_OUT) {	/* Disable wide CPU to allow read 16 bits */
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT);
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
+			return (6);
+		}
+	}
+}
+
+
+/***************************************************************************/
+int tul_status_msg(HCS * pCurHcb)
+{				/* status & MSG_IN */
+	SCB *pCurScb = pCurHcb->HCS_ActScb;
+	BYTE msg;
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_CMD_COMP);
+	if ((wait_tulip(pCurHcb)) == -1) {
+		return (-1);
+	}
+	/* get status */
+	pCurScb->SCB_TaStat = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);
+
+	if (pCurHcb->HCS_Phase == MSG_OUT) {
+		if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) {
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_PARITY);
+		} else {
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP);
+		}
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+		return (wait_tulip(pCurHcb));
+	}
+	if (pCurHcb->HCS_Phase == MSG_IN) {
+		msg = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);
+		if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) {	/* Parity error                 */
+			if ((tul_msgin_accept(pCurHcb)) == -1)
+				return (-1);
+			if (pCurHcb->HCS_Phase != MSG_OUT)
+				return (tul_bad_seq(pCurHcb));
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_PARITY);
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+			return (wait_tulip(pCurHcb));
+		}
+		if (msg == 0) {	/* Command complete             */
+
+			if ((pCurScb->SCB_TaStat & 0x18) == 0x10) {	/* No link support              */
+				return (tul_bad_seq(pCurHcb));
+			}
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT);
+			return tul_wait_done_disc(pCurHcb);
+
+		}
+		if ((msg == MSG_LINK_COMP) || (msg == MSG_LINK_FLAG)) {
+			if ((pCurScb->SCB_TaStat & 0x18) == 0x10)
+				return (tul_msgin_accept(pCurHcb));
+		}
+	}
+	return (tul_bad_seq(pCurHcb));
+}
+
+
+/***************************************************************************/
+/* scsi bus free */
+int int_tul_busfree(HCS * pCurHcb)
+{
+	SCB *pCurScb = pCurHcb->HCS_ActScb;
+
+	if (pCurScb != NULL) {
+		if (pCurScb->SCB_Status & SCB_SELECT) {		/* selection timeout */
+			tul_unlink_pend_scb(pCurHcb, pCurScb);
+			pCurScb->SCB_HaStat = HOST_SEL_TOUT;
+			tul_append_done_scb(pCurHcb, pCurScb);
+		} else {	/* Unexpected bus free          */
+			tul_unlink_busy_scb(pCurHcb, pCurScb);
+			pCurScb->SCB_HaStat = HOST_BUS_FREE;
+			tul_append_done_scb(pCurHcb, pCurScb);
+		}
+		pCurHcb->HCS_ActScb = NULL;
+		pCurHcb->HCS_ActTcs = NULL;
+	}
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);		/* Flush SCSI FIFO  */
+	TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT);	/* Enable HW reselect       */
+	return (-1);
+}
+
+
+/***************************************************************************/
+/* scsi bus reset */
+int int_tul_scsi_rst(HCS * pCurHcb)
+{
+	SCB *pCurScb;
+	int i;
+
+	/* if DMA xfer is pending, abort DMA xfer */
+	if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & 0x01) {
+		TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT | TAX_X_CLR_FIFO);
+		/* wait Abort DMA xfer done */
+		while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & 0x04) == 0);
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
+	}
+	/* Abort all active & disconnected scb */
+	while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) {
+		pCurScb->SCB_HaStat = HOST_BAD_PHAS;
+		tul_append_done_scb(pCurHcb, pCurScb);
+	}
+	pCurHcb->HCS_ActScb = NULL;
+	pCurHcb->HCS_ActTcs = NULL;
+
+	/* clr sync nego. done flag */
+	for (i = 0; i < pCurHcb->HCS_MaxTar; i++) {
+		pCurHcb->HCS_Tcs[i].TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE);
+	}
+	return (-1);
+}
+
+
+/***************************************************************************/
+/* scsi reselection */
+int int_tul_resel(HCS * pCurHcb)
+{
+	SCB *pCurScb;
+	TCS *pCurTcb;
+	BYTE tag, msg = 0;
+	BYTE tar, lun;
+
+	if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) {
+		if (pCurScb->SCB_Status & SCB_SELECT) {		/* if waiting for selection complete */
+			pCurScb->SCB_Status &= ~SCB_SELECT;
+		}
+		pCurHcb->HCS_ActScb = NULL;
+	}
+	/* --------- get target id---------------------- */
+	tar = TUL_RD(pCurHcb->HCS_Base, TUL_SBusId);
+	/* ------ get LUN from Identify message----------- */
+	lun = TUL_RD(pCurHcb->HCS_Base, TUL_SIdent) & 0x0F;
+	/* 07/22/98 from 0x1F -> 0x0F */
+	pCurTcb = &pCurHcb->HCS_Tcs[tar];
+	pCurHcb->HCS_ActTcs = pCurTcb;
+	TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurTcb->TCS_JS_Period);
+
+
+	/* ------------- tag queueing ? ------------------- */
+	if (pCurTcb->TCS_DrvFlags & TCF_DRV_EN_TAG) {
+		if ((tul_msgin_accept(pCurHcb)) == -1)
+			return (-1);
+		if (pCurHcb->HCS_Phase != MSG_IN)
+			goto no_tag;
+		TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
+		if ((wait_tulip(pCurHcb)) == -1)
+			return (-1);
+		msg = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);	/* Read Tag Message    */
+
+		if ((msg < MSG_STAG) || (msg > MSG_OTAG))	/* Is simple Tag      */
+			goto no_tag;
+
+		if ((tul_msgin_accept(pCurHcb)) == -1)
+			return (-1);
+
+		if (pCurHcb->HCS_Phase != MSG_IN)
+			goto no_tag;
+
+		TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
+		if ((wait_tulip(pCurHcb)) == -1)
+			return (-1);
+		tag = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);	/* Read Tag ID       */
+		pCurScb = pCurHcb->HCS_Scb + tag;
+		if ((pCurScb->SCB_Target != tar) || (pCurScb->SCB_Lun != lun)) {
+			return tul_msgout_abort_tag(pCurHcb);
+		}
+		if (pCurScb->SCB_Status != SCB_BUSY) {	/* 03/24/95             */
+			return tul_msgout_abort_tag(pCurHcb);
+		}
+		pCurHcb->HCS_ActScb = pCurScb;
+		if ((tul_msgin_accept(pCurHcb)) == -1)
+			return (-1);
+	} else {		/* No tag               */
+	      no_tag:
+		if ((pCurScb = tul_find_busy_scb(pCurHcb, tar | (lun << 8))) == NULL) {
+			return tul_msgout_abort_targ(pCurHcb);
+		}
+		pCurHcb->HCS_ActScb = pCurScb;
+		if (!(pCurTcb->TCS_DrvFlags & TCF_DRV_EN_TAG)) {
+			if ((tul_msgin_accept(pCurHcb)) == -1)
+				return (-1);
+		}
+	}
+	return 0;
+}
+
+
+/***************************************************************************/
+int int_tul_bad_seq(HCS * pCurHcb)
+{				/* target wrong phase           */
+	SCB *pCurScb;
+	int i;
+
+	tul_reset_scsi(pCurHcb, 10);
+
+	while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) {
+		pCurScb->SCB_HaStat = HOST_BAD_PHAS;
+		tul_append_done_scb(pCurHcb, pCurScb);
+	}
+	for (i = 0; i < pCurHcb->HCS_MaxTar; i++) {
+		pCurHcb->HCS_Tcs[i].TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE);;
+	}
+	return (-1);
+}
+
+
+/***************************************************************************/
+int tul_msgout_abort_targ(HCS * pCurHcb)
+{
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
+	if (tul_msgin_accept(pCurHcb) == -1)
+		return (-1);
+	if (pCurHcb->HCS_Phase != MSG_OUT)
+		return (tul_bad_seq(pCurHcb));
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_ABORT);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+
+	return tul_wait_disc(pCurHcb);
+}
+
+/***************************************************************************/
+int tul_msgout_abort_tag(HCS * pCurHcb)
+{
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
+	if (tul_msgin_accept(pCurHcb) == -1)
+		return (-1);
+	if (pCurHcb->HCS_Phase != MSG_OUT)
+		return (tul_bad_seq(pCurHcb));
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_ABORT_TAG);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+
+	return tul_wait_disc(pCurHcb);
+
+}
+
+/***************************************************************************/
+int tul_msgin(HCS * pCurHcb)
+{
+	TCS *pCurTcb;
+
+	for (;;) {
+
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
+
+		TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
+		if ((wait_tulip(pCurHcb)) == -1)
+			return (-1);
+
+		switch (TUL_RD(pCurHcb->HCS_Base, TUL_SFifo)) {
+		case MSG_DISC:	/* Disconnect msg */
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT);
+
+			return tul_wait_disc(pCurHcb);
+
+		case MSG_SDP:
+		case MSG_RESTORE:
+		case MSG_NOP:
+			tul_msgin_accept(pCurHcb);
+			break;
+
+		case MSG_REJ:	/* Clear ATN first              */
+			TUL_WR(pCurHcb->HCS_Base + TUL_SSignal,
+			       (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)));
+			pCurTcb = pCurHcb->HCS_ActTcs;
+			if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) {	/* do sync nego */
+				TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
+			}
+			tul_msgin_accept(pCurHcb);
+			break;
+
+		case MSG_EXTEND:	/* extended msg */
+			tul_msgin_extend(pCurHcb);
+			break;
+
+		case MSG_IGNOREWIDE:
+			tul_msgin_accept(pCurHcb);
+			break;
+
+			/* get */
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
+			if (wait_tulip(pCurHcb) == -1)
+				return -1;
+
+			TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 0);	/* put pad  */
+			TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);	/* get IGNORE field */
+			TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);	/* get pad */
+
+			tul_msgin_accept(pCurHcb);
+			break;
+
+		case MSG_COMP:
+			{
+				TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
+				TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT);
+				return tul_wait_done_disc(pCurHcb);
+			}
+		default:
+			tul_msgout_reject(pCurHcb);
+			break;
+		}
+		if (pCurHcb->HCS_Phase != MSG_IN)
+			return (pCurHcb->HCS_Phase);
+	}
+	/* statement won't reach here */
+}
+
+
+
+
+/***************************************************************************/
+int tul_msgout_reject(HCS * pCurHcb)
+{
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
+
+	if ((tul_msgin_accept(pCurHcb)) == -1)
+		return (-1);
+
+	if (pCurHcb->HCS_Phase == MSG_OUT) {
+		TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_REJ);		/* Msg reject           */
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+		return (wait_tulip(pCurHcb));
+	}
+	return (pCurHcb->HCS_Phase);
+}
+
+
+
+/***************************************************************************/
+int tul_msgout_ide(HCS * pCurHcb)
+{
+	TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_IDE);		/* Initiator Detected Error */
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+	return (wait_tulip(pCurHcb));
+}
+
+
+/***************************************************************************/
+int tul_msgin_extend(HCS * pCurHcb)
+{
+	BYTE len, idx;
+
+	if (tul_msgin_accept(pCurHcb) != MSG_IN)
+		return (pCurHcb->HCS_Phase);
+
+	/* Get extended msg length      */
+	TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
+	if (wait_tulip(pCurHcb) == -1)
+		return (-1);
+
+	len = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);
+	pCurHcb->HCS_Msg[0] = len;
+	for (idx = 1; len != 0; len--) {
+
+		if ((tul_msgin_accept(pCurHcb)) != MSG_IN)
+			return (pCurHcb->HCS_Phase);
+		TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
+		if (wait_tulip(pCurHcb) == -1)
+			return (-1);
+		pCurHcb->HCS_Msg[idx++] = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);
+	}
+	if (pCurHcb->HCS_Msg[1] == 1) {		/* if it's synchronous data transfer request */
+		if (pCurHcb->HCS_Msg[0] != 3)	/* if length is not right */
+			return (tul_msgout_reject(pCurHcb));
+		if (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_SYNC_NEGO) {	/* Set OFFSET=0 to do async, nego back */
+			pCurHcb->HCS_Msg[3] = 0;
+		} else {
+			if ((tul_msgin_sync(pCurHcb) == 0) &&
+			    (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_SYNC_DONE)) {
+				tul_sync_done(pCurHcb);
+				return (tul_msgin_accept(pCurHcb));
+			}
+		}
+
+		TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
+		if ((tul_msgin_accept(pCurHcb)) != MSG_OUT)
+			return (pCurHcb->HCS_Phase);
+		/* sync msg out */
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
+
+		tul_sync_done(pCurHcb);
+
+		TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND);
+		TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3);
+		TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1);
+		TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[2]);
+		TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[3]);
+
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+		return (wait_tulip(pCurHcb));
+	}
+	if ((pCurHcb->HCS_Msg[0] != 2) || (pCurHcb->HCS_Msg[1] != 3))
+		return (tul_msgout_reject(pCurHcb));
+	/* if it's WIDE DATA XFER REQ   */
+	if (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_WDTR) {
+		pCurHcb->HCS_Msg[2] = 0;
+	} else {
+		if (pCurHcb->HCS_Msg[2] > 2)	/* > 32 bits            */
+			return (tul_msgout_reject(pCurHcb));
+		if (pCurHcb->HCS_Msg[2] == 2) {		/* == 32                */
+			pCurHcb->HCS_Msg[2] = 1;
+		} else {
+			if ((pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_WDTR) == 0) {
+				wdtr_done(pCurHcb);
+				if ((pCurHcb->HCS_ActTcs->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0)
+					TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
+				return (tul_msgin_accept(pCurHcb));
+			}
+		}
+	}
+	TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
+
+	if (tul_msgin_accept(pCurHcb) != MSG_OUT)
+		return (pCurHcb->HCS_Phase);
+	/* WDTR msg out                 */
+	TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 2);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[2]);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+	return (wait_tulip(pCurHcb));
+}
+
+/***************************************************************************/
+int tul_msgin_sync(HCS * pCurHcb)
+{
+	char default_period;
+
+	default_period = tul_rate_tbl[pCurHcb->HCS_ActTcs->TCS_Flags & TCF_SCSI_RATE];
+	if (pCurHcb->HCS_Msg[3] > MAX_OFFSET) {
+		pCurHcb->HCS_Msg[3] = MAX_OFFSET;
+		if (pCurHcb->HCS_Msg[2] < default_period) {
+			pCurHcb->HCS_Msg[2] = default_period;
+			return 1;
+		}
+		if (pCurHcb->HCS_Msg[2] >= 59) {	/* Change to async              */
+			pCurHcb->HCS_Msg[3] = 0;
+		}
+		return 1;
+	}
+	/* offset requests asynchronous transfers ? */
+	if (pCurHcb->HCS_Msg[3] == 0) {
+		return 0;
+	}
+	if (pCurHcb->HCS_Msg[2] < default_period) {
+		pCurHcb->HCS_Msg[2] = default_period;
+		return 1;
+	}
+	if (pCurHcb->HCS_Msg[2] >= 59) {
+		pCurHcb->HCS_Msg[3] = 0;
+		return 1;
+	}
+	return 0;
+}
+
+
+/***************************************************************************/
+int wdtr_done(HCS * pCurHcb)
+{
+	pCurHcb->HCS_ActTcs->TCS_Flags &= ~TCF_SYNC_DONE;
+	pCurHcb->HCS_ActTcs->TCS_Flags |= TCF_WDTR_DONE;
+
+	pCurHcb->HCS_ActTcs->TCS_JS_Period = 0;
+	if (pCurHcb->HCS_Msg[2]) {	/* if 16 bit */
+		pCurHcb->HCS_ActTcs->TCS_JS_Period |= TSC_WIDE_SCSI;
+	}
+	pCurHcb->HCS_ActTcs->TCS_SConfig0 &= ~TSC_ALT_PERIOD;
+	TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_ActTcs->TCS_SConfig0);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurHcb->HCS_ActTcs->TCS_JS_Period);
+
+	return 1;
+}
+
+/***************************************************************************/
+int tul_sync_done(HCS * pCurHcb)
+{
+	int i;
+
+	pCurHcb->HCS_ActTcs->TCS_Flags |= TCF_SYNC_DONE;
+
+	if (pCurHcb->HCS_Msg[3]) {
+		pCurHcb->HCS_ActTcs->TCS_JS_Period |= pCurHcb->HCS_Msg[3];
+		for (i = 0; i < 8; i++) {
+			if (tul_rate_tbl[i] >= pCurHcb->HCS_Msg[2])	/* pick the big one */
+				break;
+		}
+		pCurHcb->HCS_ActTcs->TCS_JS_Period |= (i << 4);
+		pCurHcb->HCS_ActTcs->TCS_SConfig0 |= TSC_ALT_PERIOD;
+	}
+	TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_ActTcs->TCS_SConfig0);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurHcb->HCS_ActTcs->TCS_JS_Period);
+
+	return (-1);
+}
+
+
+int tul_post_scsi_rst(HCS * pCurHcb)
+{
+	SCB *pCurScb;
+	TCS *pCurTcb;
+	int i;
+
+	pCurHcb->HCS_ActScb = 0;
+	pCurHcb->HCS_ActTcs = 0;
+	pCurHcb->HCS_Flags = 0;
+
+	while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) {
+		pCurScb->SCB_HaStat = HOST_BAD_PHAS;
+		tul_append_done_scb(pCurHcb, pCurScb);
+	}
+	/* clear sync done flag         */
+	pCurTcb = &pCurHcb->HCS_Tcs[0];
+	for (i = 0; i < pCurHcb->HCS_MaxTar; pCurTcb++, i++) {
+		pCurTcb->TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE);
+		/* Initialize the sync. xfer register values to an asyn xfer */
+		pCurTcb->TCS_JS_Period = 0;
+		pCurTcb->TCS_SConfig0 = pCurHcb->HCS_SConf1;
+		pCurHcb->HCS_ActTags[0] = 0;	/* 07/22/98 */
+		pCurHcb->HCS_Tcs[i].TCS_Flags &= ~TCF_BUSY;	/* 07/22/98 */
+	}			/* for */
+
+	return (-1);
+}
+
+/***************************************************************************/
+void tul_select_atn_stop(HCS * pCurHcb, SCB * pCurScb)
+{
+	pCurScb->SCB_Status |= SCB_SELECT;
+	pCurScb->SCB_NxtStat = 0x1;
+	pCurHcb->HCS_ActScb = pCurScb;
+	pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target];
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SELATNSTOP);
+	return;
+}
+
+
+/***************************************************************************/
+void tul_select_atn(HCS * pCurHcb, SCB * pCurScb)
+{
+	int i;
+
+	pCurScb->SCB_Status |= SCB_SELECT;
+	pCurScb->SCB_NxtStat = 0x2;
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident);
+	for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++)
+		TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]);
+	pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target];
+	pCurHcb->HCS_ActScb = pCurScb;
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SEL_ATN);
+	return;
+}
+
+/***************************************************************************/
+void tul_select_atn3(HCS * pCurHcb, SCB * pCurScb)
+{
+	int i;
+
+	pCurScb->SCB_Status |= SCB_SELECT;
+	pCurScb->SCB_NxtStat = 0x2;
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagMsg);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagId);
+	for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++)
+		TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]);
+	pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target];
+	pCurHcb->HCS_ActScb = pCurScb;
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SEL_ATN3);
+	return;
+}
+
+/***************************************************************************/
+/* SCSI Bus Device Reset */
+int tul_bus_device_reset(HCS * pCurHcb)
+{
+	SCB *pCurScb = pCurHcb->HCS_ActScb;
+	TCS *pCurTcb = pCurHcb->HCS_ActTcs;
+	SCB *pTmpScb, *pPrevScb;
+	BYTE tar;
+
+	if (pCurHcb->HCS_Phase != MSG_OUT) {
+		return (int_tul_bad_seq(pCurHcb));	/* Unexpected phase             */
+	}
+	tul_unlink_pend_scb(pCurHcb, pCurScb);
+	tul_release_scb(pCurHcb, pCurScb);
+
+
+	tar = pCurScb->SCB_Target;	/* target                       */
+	pCurTcb->TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE | TCF_BUSY);
+	/* clr sync. nego & WDTR flags  07/22/98 */
+
+	/* abort all SCB with same target */
+	pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy;	/* Check Busy queue */
+	while (pTmpScb != NULL) {
+
+		if (pTmpScb->SCB_Target == tar) {
+			/* unlink it */
+			if (pTmpScb == pCurHcb->HCS_FirstBusy) {
+				if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL)
+					pCurHcb->HCS_LastBusy = NULL;
+			} else {
+				pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb;
+				if (pTmpScb == pCurHcb->HCS_LastBusy)
+					pCurHcb->HCS_LastBusy = pPrevScb;
+			}
+			pTmpScb->SCB_HaStat = HOST_ABORTED;
+			tul_append_done_scb(pCurHcb, pTmpScb);
+		}
+		/* Previous haven't change      */
+		else {
+			pPrevScb = pTmpScb;
+		}
+		pTmpScb = pTmpScb->SCB_NxtScb;
+	}
+
+	TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_DEVRST);
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
+
+	return tul_wait_disc(pCurHcb);
+
+}
+
+/***************************************************************************/
+int tul_msgin_accept(HCS * pCurHcb)
+{
+	TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT);
+	return (wait_tulip(pCurHcb));
+}
+
+/***************************************************************************/
+int wait_tulip(HCS * pCurHcb)
+{
+
+	while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0))
+		 & TSS_INT_PENDING));
+
+	pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt);
+	pCurHcb->HCS_Phase = pCurHcb->HCS_JSStatus0 & TSS_PH_MASK;
+	pCurHcb->HCS_JSStatus1 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1);
+
+	if (pCurHcb->HCS_JSInt & TSS_RESEL_INT) {	/* if SCSI bus reset detected   */
+		return (int_tul_resel(pCurHcb));
+	}
+	if (pCurHcb->HCS_JSInt & TSS_SEL_TIMEOUT) {	/* if selected/reselected timeout interrupt */
+		return (int_tul_busfree(pCurHcb));
+	}
+	if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) {	/* if SCSI bus reset detected   */
+		return (int_tul_scsi_rst(pCurHcb));
+	}
+	if (pCurHcb->HCS_JSInt & TSS_DISC_INT) {	/* BUS disconnection            */
+		if (pCurHcb->HCS_Flags & HCF_EXPECT_DONE_DISC) {
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);		/* Flush SCSI FIFO  */
+			tul_unlink_busy_scb(pCurHcb, pCurHcb->HCS_ActScb);
+			pCurHcb->HCS_ActScb->SCB_HaStat = 0;
+			tul_append_done_scb(pCurHcb, pCurHcb->HCS_ActScb);
+			pCurHcb->HCS_ActScb = NULL;
+			pCurHcb->HCS_ActTcs = NULL;
+			pCurHcb->HCS_Flags &= ~HCF_EXPECT_DONE_DISC;
+			TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT);
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT);	/* Enable HW reselect       */
+			return (-1);
+		}
+		if (pCurHcb->HCS_Flags & HCF_EXPECT_DISC) {
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);		/* Flush SCSI FIFO  */
+			pCurHcb->HCS_ActScb = NULL;
+			pCurHcb->HCS_ActTcs = NULL;
+			pCurHcb->HCS_Flags &= ~HCF_EXPECT_DISC;
+			TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT);
+			TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT);	/* Enable HW reselect       */
+			return (-1);
+		}
+		return (int_tul_busfree(pCurHcb));
+	}
+	if (pCurHcb->HCS_JSInt & (TSS_FUNC_COMP | TSS_BUS_SERV)) {
+		return (pCurHcb->HCS_Phase);
+	}
+	return (pCurHcb->HCS_Phase);
+}
+/***************************************************************************/
+int tul_wait_disc(HCS * pCurHcb)
+{
+
+	while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0))
+		 & TSS_INT_PENDING));
+
+
+	pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt);
+
+	if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) {	/* if SCSI bus reset detected   */
+		return (int_tul_scsi_rst(pCurHcb));
+	}
+	if (pCurHcb->HCS_JSInt & TSS_DISC_INT) {	/* BUS disconnection            */
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);		/* Flush SCSI FIFO  */
+		TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT);
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT);	/* Enable HW reselect       */
+		pCurHcb->HCS_ActScb = NULL;
+		return (-1);
+	}
+	return (tul_bad_seq(pCurHcb));
+}
+
+/***************************************************************************/
+int tul_wait_done_disc(HCS * pCurHcb)
+{
+
+
+	while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0))
+		 & TSS_INT_PENDING));
+
+	pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt);
+
+
+	if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) {	/* if SCSI bus reset detected   */
+		return (int_tul_scsi_rst(pCurHcb));
+	}
+	if (pCurHcb->HCS_JSInt & TSS_DISC_INT) {	/* BUS disconnection            */
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);		/* Flush SCSI FIFO  */
+		TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT);
+		TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT);	/* Enable HW reselect       */
+		tul_unlink_busy_scb(pCurHcb, pCurHcb->HCS_ActScb);
+
+		tul_append_done_scb(pCurHcb, pCurHcb->HCS_ActScb);
+		pCurHcb->HCS_ActScb = NULL;
+		return (-1);
+	}
+	return (tul_bad_seq(pCurHcb));
+}
+
+/**************************** EOF *********************************/

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TCL-scripts by Sam Shen, slshen@lbl.gov