316 lines
10 KiB
C
316 lines
10 KiB
C
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/*+M*************************************************************************
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* Perceptive Solutions, Inc. PSI-240I device driver proc support for Linux.
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*
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* Copyright (c) 1997 Perceptive Solutions, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*
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* File Name: psi240i.h
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*
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* Description: Header file for the SCSI driver for the PSI240I
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* EIDE interface card.
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*
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*-M*************************************************************************/
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#ifndef _PSI240I_H
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#define _PSI240I_H
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#include <linux/types.h>
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#ifndef PSI_EIDE_SCSIOP
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#define PSI_EIDE_SCSIOP 1
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/************************************************/
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/* Some defines that we like */
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/************************************************/
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#define CHAR char
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#define UCHAR unsigned char
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#define SHORT short
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#define USHORT unsigned short
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#define BOOL unsigned short
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#define LONG long
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#define ULONG unsigned long
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#define VOID void
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/************************************************/
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/* Timeout konstants */
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/************************************************/
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#define TIMEOUT_READY 10 // 100 mSec
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#define TIMEOUT_DRQ 40 // 400 mSec
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/************************************************/
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/* Misc. macros */
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/************************************************/
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#define ANY2SCSI(up, p) \
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((UCHAR *)up)[0] = (((ULONG)(p)) >> 8); \
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((UCHAR *)up)[1] = ((ULONG)(p));
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#define SCSI2LONG(up) \
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( (((long)*(((UCHAR *)up))) << 16) \
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+ (((long)(((UCHAR *)up)[1])) << 8) \
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+ ((long)(((UCHAR *)up)[2])) )
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#define XANY2SCSI(up, p) \
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((UCHAR *)up)[0] = ((long)(p)) >> 24; \
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((UCHAR *)up)[1] = ((long)(p)) >> 16; \
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((UCHAR *)up)[2] = ((long)(p)) >> 8; \
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((UCHAR *)up)[3] = ((long)(p));
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#define XSCSI2LONG(up) \
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( (((long)(((UCHAR *)up)[0])) << 24) \
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+ (((long)(((UCHAR *)up)[1])) << 16) \
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+ (((long)(((UCHAR *)up)[2])) << 8) \
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+ ((long)(((UCHAR *)up)[3])) )
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/************************************************/
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/* SCSI CDB operation codes */
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/************************************************/
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#define SCSIOP_TEST_UNIT_READY 0x00
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#define SCSIOP_REZERO_UNIT 0x01
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#define SCSIOP_REWIND 0x01
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#define SCSIOP_REQUEST_BLOCK_ADDR 0x02
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#define SCSIOP_REQUEST_SENSE 0x03
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#define SCSIOP_FORMAT_UNIT 0x04
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#define SCSIOP_READ_BLOCK_LIMITS 0x05
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#define SCSIOP_REASSIGN_BLOCKS 0x07
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#define SCSIOP_READ6 0x08
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#define SCSIOP_RECEIVE 0x08
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#define SCSIOP_WRITE6 0x0A
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#define SCSIOP_PRINT 0x0A
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#define SCSIOP_SEND 0x0A
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#define SCSIOP_SEEK6 0x0B
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#define SCSIOP_TRACK_SELECT 0x0B
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#define SCSIOP_SLEW_PRINT 0x0B
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#define SCSIOP_SEEK_BLOCK 0x0C
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#define SCSIOP_PARTITION 0x0D
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#define SCSIOP_READ_REVERSE 0x0F
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#define SCSIOP_WRITE_FILEMARKS 0x10
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#define SCSIOP_FLUSH_BUFFER 0x10
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#define SCSIOP_SPACE 0x11
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#define SCSIOP_INQUIRY 0x12
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#define SCSIOP_VERIFY6 0x13
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#define SCSIOP_RECOVER_BUF_DATA 0x14
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#define SCSIOP_MODE_SELECT 0x15
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#define SCSIOP_RESERVE_UNIT 0x16
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#define SCSIOP_RELEASE_UNIT 0x17
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#define SCSIOP_COPY 0x18
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#define SCSIOP_ERASE 0x19
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#define SCSIOP_MODE_SENSE 0x1A
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#define SCSIOP_START_STOP_UNIT 0x1B
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#define SCSIOP_STOP_PRINT 0x1B
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#define SCSIOP_LOAD_UNLOAD 0x1B
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#define SCSIOP_RECEIVE_DIAGNOSTIC 0x1C
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#define SCSIOP_SEND_DIAGNOSTIC 0x1D
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#define SCSIOP_MEDIUM_REMOVAL 0x1E
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#define SCSIOP_READ_CAPACITY 0x25
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#define SCSIOP_READ 0x28
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#define SCSIOP_WRITE 0x2A
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#define SCSIOP_SEEK 0x2B
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#define SCSIOP_LOCATE 0x2B
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#define SCSIOP_WRITE_VERIFY 0x2E
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#define SCSIOP_VERIFY 0x2F
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#define SCSIOP_SEARCH_DATA_HIGH 0x30
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#define SCSIOP_SEARCH_DATA_EQUAL 0x31
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#define SCSIOP_SEARCH_DATA_LOW 0x32
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#define SCSIOP_SET_LIMITS 0x33
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#define SCSIOP_READ_POSITION 0x34
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#define SCSIOP_SYNCHRONIZE_CACHE 0x35
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#define SCSIOP_COMPARE 0x39
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#define SCSIOP_COPY_COMPARE 0x3A
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#define SCSIOP_WRITE_DATA_BUFF 0x3B
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#define SCSIOP_READ_DATA_BUFF 0x3C
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#define SCSIOP_CHANGE_DEFINITION 0x40
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#define SCSIOP_READ_SUB_CHANNEL 0x42
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#define SCSIOP_READ_TOC 0x43
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#define SCSIOP_READ_HEADER 0x44
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#define SCSIOP_PLAY_AUDIO 0x45
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#define SCSIOP_PLAY_AUDIO_MSF 0x47
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#define SCSIOP_PLAY_TRACK_INDEX 0x48
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#define SCSIOP_PLAY_TRACK_RELATIVE 0x49
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#define SCSIOP_PAUSE_RESUME 0x4B
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#define SCSIOP_LOG_SELECT 0x4C
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#define SCSIOP_LOG_SENSE 0x4D
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#define SCSIOP_MODE_SELECT10 0x55
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#define SCSIOP_MODE_SENSE10 0x5A
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#define SCSIOP_LOAD_UNLOAD_SLOT 0xA6
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#define SCSIOP_MECHANISM_STATUS 0xBD
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#define SCSIOP_READ_CD 0xBE
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// IDE command definitions
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#define IDE_COMMAND_ATAPI_RESET 0x08
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#define IDE_COMMAND_READ 0x20
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#define IDE_COMMAND_WRITE 0x30
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#define IDE_COMMAND_RECALIBRATE 0x10
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#define IDE_COMMAND_SEEK 0x70
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#define IDE_COMMAND_SET_PARAMETERS 0x91
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#define IDE_COMMAND_VERIFY 0x40
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#define IDE_COMMAND_ATAPI_PACKET 0xA0
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#define IDE_COMMAND_ATAPI_IDENTIFY 0xA1
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#define IDE_CMD_READ_MULTIPLE 0xC4
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#define IDE_CMD_WRITE_MULTIPLE 0xC5
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#define IDE_CMD_SET_MULTIPLE 0xC6
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#define IDE_COMMAND_WRITE_DMA 0xCA
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#define IDE_COMMAND_READ_DMA 0xC8
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#define IDE_COMMAND_IDENTIFY 0xEC
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// IDE status definitions
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#define IDE_STATUS_ERROR 0x01
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#define IDE_STATUS_INDEX 0x02
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#define IDE_STATUS_CORRECTED_ERROR 0x04
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#define IDE_STATUS_DRQ 0x08
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#define IDE_STATUS_DSC 0x10
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#define IDE_STATUS_WRITE_FAULT 0x20
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#define IDE_STATUS_DRDY 0x40
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#define IDE_STATUS_BUSY 0x80
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// IDE error definitions
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#define IDE_ERROR_AMNF 0x01
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#define IDE_ERROR_TKONF 0x02
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#define IDE_ERROR_ABRT 0x04
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#define IDE_ERROR_MCR 0x08
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#define IDE_ERROR_IDFN 0x10
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#define IDE_ERROR_MC 0x20
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#define IDE_ERROR_UNC 0x40
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#define IDE_ERROR_BBK 0x80
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// IDE interface structure
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typedef struct _IDE_STRUCT
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{
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union
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{
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UCHAR ide[9];
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struct
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{
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USHORT data;
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UCHAR sectors;
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UCHAR lba[4];
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UCHAR cmd;
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UCHAR spigot;
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} ides;
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} ide;
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} IDE_STRUCT;
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// SCSI read capacity structure
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typedef struct _READ_CAPACITY_DATA
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{
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ULONG blks; /* total blocks (converted to little endian) */
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ULONG blksiz; /* size of each (converted to little endian) */
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} READ_CAPACITY_DATA, *PREAD_CAPACITY_DATA;
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// SCSI inquiry data
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#ifndef HOSTS_C
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typedef struct _INQUIRYDATA
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{
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UCHAR DeviceType :5;
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UCHAR DeviceTypeQualifier :3;
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UCHAR DeviceTypeModifier :7;
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UCHAR RemovableMedia :1;
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UCHAR Versions;
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UCHAR ResponseDataFormat;
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UCHAR AdditionalLength;
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UCHAR Reserved[2];
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UCHAR SoftReset :1;
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UCHAR CommandQueue :1;
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UCHAR Reserved2 :1;
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UCHAR LinkedCommands :1;
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UCHAR Synchronous :1;
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UCHAR Wide16Bit :1;
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UCHAR Wide32Bit :1;
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UCHAR RelativeAddressing :1;
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UCHAR VendorId[8];
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UCHAR ProductId[16];
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UCHAR ProductRevisionLevel[4];
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UCHAR VendorSpecific[20];
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UCHAR Reserved3[40];
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} INQUIRYDATA, *PINQUIRYDATA;
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#endif
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// IDE IDENTIFY data
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typedef struct _IDENTIFY_DATA
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{
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USHORT GeneralConfiguration; // 00
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USHORT NumberOfCylinders; // 02
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USHORT Reserved1; // 04
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USHORT NumberOfHeads; // 06
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USHORT UnformattedBytesPerTrack; // 08
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USHORT UnformattedBytesPerSector; // 0A
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USHORT SectorsPerTrack; // 0C
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USHORT VendorUnique1[3]; // 0E
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USHORT SerialNumber[10]; // 14
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USHORT BufferType; // 28
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USHORT BufferSectorSize; // 2A
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USHORT NumberOfEccBytes; // 2C
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USHORT FirmwareRevision[4]; // 2E
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USHORT ModelNumber[20]; // 36
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UCHAR MaximumBlockTransfer; // 5E
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UCHAR VendorUnique2; // 5F
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USHORT DoubleWordIo; // 60
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USHORT Capabilities; // 62
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USHORT Reserved2; // 64
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UCHAR VendorUnique3; // 66
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UCHAR PioCycleTimingMode; // 67
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UCHAR VendorUnique4; // 68
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UCHAR DmaCycleTimingMode; // 69
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USHORT TranslationFieldsValid:1; // 6A
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USHORT Reserved3:15;
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USHORT NumberOfCurrentCylinders; // 6C
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USHORT NumberOfCurrentHeads; // 6E
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USHORT CurrentSectorsPerTrack; // 70
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ULONG CurrentSectorCapacity; // 72
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USHORT Reserved4[197]; // 76
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} IDENTIFY_DATA, *PIDENTIFY_DATA;
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// Identify data without the Reserved4.
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typedef struct _IDENTIFY_DATA2 {
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USHORT GeneralConfiguration; // 00
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USHORT NumberOfCylinders; // 02
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USHORT Reserved1; // 04
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USHORT NumberOfHeads; // 06
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USHORT UnformattedBytesPerTrack; // 08
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USHORT UnformattedBytesPerSector; // 0A
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USHORT SectorsPerTrack; // 0C
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USHORT VendorUnique1[3]; // 0E
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USHORT SerialNumber[10]; // 14
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USHORT BufferType; // 28
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USHORT BufferSectorSize; // 2A
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USHORT NumberOfEccBytes; // 2C
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USHORT FirmwareRevision[4]; // 2E
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USHORT ModelNumber[20]; // 36
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UCHAR MaximumBlockTransfer; // 5E
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UCHAR VendorUnique2; // 5F
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USHORT DoubleWordIo; // 60
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USHORT Capabilities; // 62
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USHORT Reserved2; // 64
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UCHAR VendorUnique3; // 66
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UCHAR PioCycleTimingMode; // 67
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UCHAR VendorUnique4; // 68
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UCHAR DmaCycleTimingMode; // 69
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USHORT TranslationFieldsValid:1; // 6A
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USHORT Reserved3:15;
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USHORT NumberOfCurrentCylinders; // 6C
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USHORT NumberOfCurrentHeads; // 6E
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USHORT CurrentSectorsPerTrack; // 70
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ULONG CurrentSectorCapacity; // 72
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} IDENTIFY_DATA2, *PIDENTIFY_DATA2;
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#endif // PSI_EIDE_SCSIOP
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// function prototypes
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int Psi240i_Command (Scsi_Cmnd *SCpnt);
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int Psi240i_Abort (Scsi_Cmnd *SCpnt);
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int Psi240i_Reset (Scsi_Cmnd *SCpnt, unsigned int flags);
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#endif
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