196 lines
6.6 KiB
C
196 lines
6.6 KiB
C
/*+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: psi_chip.h
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*
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* Description: This file contains the interface defines and
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* error codes.
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*
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*-M*************************************************************************/
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#ifndef PSI_CHIP
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#define PSI_CHIP
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/************************************************/
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/* Misc konstants */
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/************************************************/
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#define CHIP_MAXDRIVES 8
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/************************************************/
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/* Chip I/O addresses */
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/************************************************/
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#define CHIP_ADRS_0 0x0130
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#define CHIP_ADRS_1 0x0150
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#define CHIP_ADRS_2 0x0190
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#define CHIP_ADRS_3 0x0210
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#define CHIP_ADRS_4 0x0230
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#define CHIP_ADRS_5 0x0250
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/************************************************/
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/* EEPROM locations */
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/************************************************/
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#define CHIP_EEPROM_BIOS 0x0000 // BIOS base address
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#define CHIP_EEPROM_DATA 0x2000 // SETUP data base address
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#define CHIP_EEPROM_FACTORY 0x2400 // FACTORY data base address
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#define CHIP_EEPROM_SETUP 0x3000 // SETUP PROGRAM base address
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#define CHIP_EEPROM_SIZE 32768U // size of the entire EEPROM
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#define CHIP_EEPROM_BIOS_SIZE 8192 // size of the BIOS in bytes
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#define CHIP_EEPROM_DATA_SIZE 4096 // size of factory, setup, log data block in bytes
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#define CHIP_EEPROM_SETUP_SIZE 20480U // size of the setup program in bytes
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/************************************************/
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/* Chip Interrupts */
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/************************************************/
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#define CHIP_IRQ_10 0x72
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#define CHIP_IRQ_11 0x73
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#define CHIP_IRQ_12 0x74
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/************************************************/
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/* Chip Setup addresses */
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/************************************************/
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#define CHIP_SETUP_BASE 0x0000C000L
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/************************************************/
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/* Chip Register address offsets */
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/************************************************/
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#define REG_DATA 0x00
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#define REG_ERROR 0x01
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#define REG_SECTOR_COUNT 0x02
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#define REG_LBA_0 0x03
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#define REG_LBA_8 0x04
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#define REG_LBA_16 0x05
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#define REG_LBA_24 0x06
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#define REG_STAT_CMD 0x07
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#define REG_SEL_FAIL 0x08
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#define REG_IRQ_STATUS 0x09
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#define REG_ADDRESS 0x0A
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#define REG_FAIL 0x0C
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#define REG_ALT_STAT 0x0E
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#define REG_DRIVE_ADRS 0x0F
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/************************************************/
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/* Chip RAM locations */
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/************************************************/
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#define CHIP_DEVICE 0x8000
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#define CHIP_DEVICE_0 0x8000
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#define CHIP_DEVICE_1 0x8008
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#define CHIP_DEVICE_2 0x8010
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#define CHIP_DEVICE_3 0x8018
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#define CHIP_DEVICE_4 0x8020
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#define CHIP_DEVICE_5 0x8028
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#define CHIP_DEVICE_6 0x8030
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#define CHIP_DEVICE_7 0x8038
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typedef struct
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{
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UCHAR channel; // channel of this device (0-8).
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UCHAR spt; // Sectors Per Track.
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ULONG spc; // Sectors Per Cylinder.
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} CHIP_DEVICE_N;
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#define CHIP_CONFIG 0x8100 // address of boards configuration.
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typedef struct
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{
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UCHAR irq; // interrupt request channel number
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UCHAR numDrives; // Number of accessible drives
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UCHAR fastFormat; // Boolean for fast format enable
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} CHIP_CONFIG_N;
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#define CHIP_MAP 0x8108 // eight byte device type map.
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#define CHIP_RAID 0x8120 // array of RAID signature structures and LBA
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#define CHIP_RAID_1 0x8120
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#define CHIP_RAID_2 0x8130
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#define CHIP_RAID_3 0x8140
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#define CHIP_RAID_4 0x8150
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/************************************************/
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/* Chip Register Masks */
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/************************************************/
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#define CHIP_ID 0x7B
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#define SEL_RAM 0x8000
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#define MASK_FAIL 0x80
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/************************************************/
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/* Chip cable select bits */
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/************************************************/
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#define SECTORSXFER 8
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/************************************************/
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/* Chip cable select bits */
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/************************************************/
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#define SEL_NONE 0x00
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#define SEL_1 0x01
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#define SEL_2 0x02
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#define SEL_3 0x04
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#define SEL_4 0x08
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/************************************************/
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/* Programmable Interrupt Controller*/
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/************************************************/
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#define PIC1 0x20 // first 8259 base port address
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#define PIC2 0xA0 // second 8259 base port address
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#define INT_OCW1 1 // Operation Control Word 1: IRQ mask
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#define EOI 0x20 // non-specific end-of-interrupt
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/************************************************/
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/* Device/Geometry controls */
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/************************************************/
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#define GEOMETRY_NONE 0x0 // No device
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#define GEOMETRY_AUTO 0x1 // Geometry set automatically
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#define GEOMETRY_USER 0x2 // User supplied geometry
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#define DEVICE_NONE 0x0 // No device present
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#define DEVICE_INACTIVE 0x1 // device present but not registered active
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#define DEVICE_ATAPI 0x2 // ATAPI device (CD_ROM, Tape, Etc...)
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#define DEVICE_DASD_NONLBA 0x3 // Non LBA incompatible device
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#define DEVICE_DASD_LBA 0x4 // LBA compatible device
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/************************************************/
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/* Setup Structure Definitions */
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/************************************************/
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typedef struct // device setup parameters
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{
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UCHAR geometryControl; // geometry control flags
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UCHAR device; // device code
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USHORT sectors; // number of sectors per track
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USHORT heads; // number of heads
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USHORT cylinders; // number of cylinders for this device
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ULONG blocks; // number of blocks on device
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USHORT spare1;
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USHORT spare2;
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} SETUP_DEVICE, *PSETUP_DEVICE;
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typedef struct // master setup structure
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{
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USHORT startupDelay;
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USHORT promptBIOS;
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USHORT fastFormat;
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USHORT spare2;
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USHORT spare3;
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USHORT spare4;
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USHORT spare5;
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USHORT spare6;
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SETUP_DEVICE setupDevice[8];
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} SETUP, *PSETUP;
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#endif
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