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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [scsi/] [psi_chip.h] - Rev 1772
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/*+M************************************************************************* * Perceptive Solutions, Inc. PSI-240I device driver proc support for Linux. * * Copyright (c) 1997 Perceptive Solutions, Inc. * * 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. * * * File Name: psi_chip.h * * Description: This file contains the interface defines and * error codes. * *-M*************************************************************************/ #ifndef PSI_CHIP #define PSI_CHIP /************************************************/ /* Misc konstants */ /************************************************/ #define CHIP_MAXDRIVES 8 /************************************************/ /* Chip I/O addresses */ /************************************************/ #define CHIP_ADRS_0 0x0130 #define CHIP_ADRS_1 0x0150 #define CHIP_ADRS_2 0x0190 #define CHIP_ADRS_3 0x0210 #define CHIP_ADRS_4 0x0230 #define CHIP_ADRS_5 0x0250 /************************************************/ /* EEPROM locations */ /************************************************/ #define CHIP_EEPROM_BIOS 0x0000 // BIOS base address #define CHIP_EEPROM_DATA 0x2000 // SETUP data base address #define CHIP_EEPROM_FACTORY 0x2400 // FACTORY data base address #define CHIP_EEPROM_SETUP 0x3000 // SETUP PROGRAM base address #define CHIP_EEPROM_SIZE 32768U // size of the entire EEPROM #define CHIP_EEPROM_BIOS_SIZE 8192 // size of the BIOS in bytes #define CHIP_EEPROM_DATA_SIZE 4096 // size of factory, setup, log data block in bytes #define CHIP_EEPROM_SETUP_SIZE 20480U // size of the setup program in bytes /************************************************/ /* Chip Interrupts */ /************************************************/ #define CHIP_IRQ_10 0x72 #define CHIP_IRQ_11 0x73 #define CHIP_IRQ_12 0x74 /************************************************/ /* Chip Setup addresses */ /************************************************/ #define CHIP_SETUP_BASE 0x0000C000L /************************************************/ /* Chip Register address offsets */ /************************************************/ #define REG_DATA 0x00 #define REG_ERROR 0x01 #define REG_SECTOR_COUNT 0x02 #define REG_LBA_0 0x03 #define REG_LBA_8 0x04 #define REG_LBA_16 0x05 #define REG_LBA_24 0x06 #define REG_STAT_CMD 0x07 #define REG_SEL_FAIL 0x08 #define REG_IRQ_STATUS 0x09 #define REG_ADDRESS 0x0A #define REG_FAIL 0x0C #define REG_ALT_STAT 0x0E #define REG_DRIVE_ADRS 0x0F /************************************************/ /* Chip RAM locations */ /************************************************/ #define CHIP_DEVICE 0x8000 #define CHIP_DEVICE_0 0x8000 #define CHIP_DEVICE_1 0x8008 #define CHIP_DEVICE_2 0x8010 #define CHIP_DEVICE_3 0x8018 #define CHIP_DEVICE_4 0x8020 #define CHIP_DEVICE_5 0x8028 #define CHIP_DEVICE_6 0x8030 #define CHIP_DEVICE_7 0x8038 typedef struct { UCHAR channel; // channel of this device (0-8). UCHAR spt; // Sectors Per Track. ULONG spc; // Sectors Per Cylinder. } CHIP_DEVICE_N; #define CHIP_CONFIG 0x8100 // address of boards configuration. typedef struct { UCHAR irq; // interrupt request channel number UCHAR numDrives; // Number of accessable drives UCHAR fastFormat; // Boolean for fast format enable } CHIP_CONFIG_N; #define CHIP_MAP 0x8108 // eight byte device type map. #define CHIP_RAID 0x8120 // array of RAID signature structures and LBA #define CHIP_RAID_1 0x8120 #define CHIP_RAID_2 0x8130 #define CHIP_RAID_3 0x8140 #define CHIP_RAID_4 0x8150 /************************************************/ /* Chip Register Masks */ /************************************************/ #define CHIP_ID 0x7B #define SEL_RAM 0x8000 #define MASK_FAIL 0x80 /************************************************/ /* Chip cable select bits */ /************************************************/ #define SECTORSXFER 8 /************************************************/ /* Chip cable select bits */ /************************************************/ #define SEL_NONE 0x00 #define SEL_1 0x01 #define SEL_2 0x02 #define SEL_3 0x04 #define SEL_4 0x08 /************************************************/ /* Programmable Interrupt Controller*/ /************************************************/ #define PIC1 0x20 // first 8259 base port address #define PIC2 0xA0 // second 8259 base port address #define INT_OCW1 1 // Operation Control Word 1: IRQ mask #define EOI 0x20 // non-specific end-of-interrupt /************************************************/ /* Device/Geometry controls */ /************************************************/ #define GEOMETRY_NONE 0x0 // No device #define GEOMETRY_AUTO 0x1 // Geometry set automatically #define GEOMETRY_USER 0x2 // User supplied geometry #define DEVICE_NONE 0x0 // No device present #define DEVICE_INACTIVE 0x1 // device present but not registered active #define DEVICE_ATAPI 0x2 // ATAPI device (CD_ROM, Tape, Etc...) #define DEVICE_DASD_NONLBA 0x3 // Non LBA incompatible device #define DEVICE_DASD_LBA 0x4 // LBA compatible device /************************************************/ /* Setup Structure Definitions */ /************************************************/ typedef struct // device setup parameters { UCHAR geometryControl; // geometry control flags UCHAR device; // device code USHORT sectors; // number of sectors per track USHORT heads; // number of heads USHORT cylinders; // number of cylinders for this device ULONG blocks; // number of blocks on device USHORT spare1; USHORT spare2; } SETUP_DEVICE, *PSETUP_DEVICE; typedef struct // master setup structure { USHORT startupDelay; USHORT promptBIOS; USHORT fastFormat; USHORT spare2; USHORT spare3; USHORT spare4; USHORT spare5; USHORT spare6; SETUP_DEVICE setupDevice[8]; } SETUP, *PSETUP; #endif
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