i91uscsi.c
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- /**************************************************************************
- * 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 General 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 jiffies */
- unsigned long the_time = jiffies + amount;
- #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 * HZ);
- 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;
- BYTE *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 = & (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=%dn",
- 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 %08lxn", (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=%dn", 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 Foundn");
- #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 *********************************/