psi_dale.h

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/****************************************************************************
 * Perceptive Solutions, Inc. PCI-2220I device driver for Linux.
 *
 * psi_dalei.h - Linux Host Driver for PCI-2220i EIDE Adapters
 *
 * Copyright (c) 1997-1999 Perceptive Solutions, Inc.
 * All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that redistributions of source
 * code retain the above copyright notice and this comment without
 * modification.
 *
 * Technical updates and product information at:
 *  http://www.psidisk.com
 *
 * Please send questions, comments, bug reports to:
 *  [e-mail] Technical Support
 *
 ****************************************************************************/

/************************************************/
/*		Some defines that we like 				*/
/************************************************/
#define	CHAR		char
#define	UCHAR		unsigned char
#define	SHORT		short
#define	USHORT		unsigned short
#define	BOOL		unsigned short
#define	LONG		long
#define	ULONG		unsigned long
#define	VOID		void

/************************************************/
/*		Dale PCI setup							*/
/************************************************/
#define	VENDOR_PSI			0x1256
#define	DEVICE_DALE_1		0x4401		/* 'D1' */
#define	DEVICE_BIGD_1		0x4201		/* 'B1' */
#define	DEVICE_BIGD_2		0x4202		/* 'B2' */

/************************************************/
/*		Misc konstants							*/
/************************************************/
#define	DALE_MAXDRIVES			4
#define	BIGD_MAXDRIVES			8
#define	SECTORSXFER				8
#define	ATAPI_TRANSFER			8192
#define	BYTES_PER_SECTOR		512
#define	DEFAULT_TIMING_MODE		5

/************************************************/
/*		EEPROM locations						*/
/************************************************/
#define	DALE_FLASH_PAGE_SIZE	128				// number of bytes per page
#define	DALE_FLASH_SIZE			65536L

#define	DALE_FLASH_BIOS			0x00080000L		// BIOS base address
#define	DALE_FLASH_SETUP		0x00088000L		// SETUP PROGRAM base address offset from BIOS
#define	DALE_FLASH_RAID			0x00088400L		// RAID signature storage
#define	DALE_FLASH_FACTORY		0x00089000L		// FACTORY data base address offset from BIOS

#define	DALE_FLASH_BIOS_SIZE	32768U			// size of FLASH BIOS REGION

/************************************************/
/*		DALE Register address offsets			*/
/************************************************/
#define	REG_DATA					0x80
#define	REG_ERROR					0x84
#define	REG_SECTOR_COUNT			0x88
#define	REG_LBA_0					0x8C
#define	REG_LBA_8					0x90
#define	REG_LBA_16					0x94
#define	REG_LBA_24					0x98
#define	REG_STAT_CMD				0x9C
#define	REG_STAT_SEL				0xA0
#define	REG_FAIL					0xB0
#define	REG_ALT_STAT				0xB8
#define	REG_DRIVE_ADRS				0xBC

#define	DALE_DATA_SLOW				0x00040000L
#define	DALE_DATA_MODE2				0x00040000L
#define	DALE_DATA_MODE3				0x00050000L
#define	DALE_DATA_MODE4				0x00060000L
#define	DALE_DATA_MODE5				0x00070000L

#define	BIGD_DATA_SLOW				0x00000000L
#define	BIGD_DATA_MODE0				0x00000000L
#define	BIGD_DATA_MODE2				0x00000000L
#define	BIGD_DATA_MODE3				0x00000008L
#define	BIGD_DATA_MODE4				0x00000010L
#define	BIGD_DATA_MODE5				0x00000020L

#define RTR_LOCAL_RANGE				0x000
#define RTR_LOCAL_REMAP				0x004
#define RTR_EXP_RANGE				0x010
#define RTR_EXP_REMAP				0x014
#define RTR_REGIONS					0x018
#define RTR_DM_MASK					0x01C
#define RTR_DM_LOCAL_BASE			0x020
#define RTR_DM_IO_BASE				0x024
#define RTR_DM_PCI_REMAP			0x028
#define RTR_DM_IO_CONFIG			0x02C
#define RTR_MAILBOX					0x040
#define RTR_LOCAL_DOORBELL			0x060
#define RTR_PCI_DOORBELL			0x064
#define RTR_INT_CONTROL_STATUS 		0x068
#define RTR_EEPROM_CONTROL_STATUS	0x06C

#define RTR_DMA0_MODE				0x0080
#define RTR_DMA0_PCI_ADDR			0x0084
#define RTR_DMA0_LOCAL_ADDR			0x0088
#define RTR_DMA0_COUNT				0x008C
#define RTR_DMA0_DESC_PTR			0x0090
#define RTR_DMA1_MODE				0x0094
#define RTR_DMA1_PCI_ADDR			0x0098
#define RTR_DMA1_LOCAL_ADDR			0x009C
#define RTR_DMA1_COUNT				0x00A0
#define RTR_DMA1_DESC_PTR			0x00A4
#define RTR_DMA_COMMAND_STATUS		0x00A8
#define RTR_DMA_ARB0				0x00AC
#define RTR_DMA_ARB1				0x00B0

#define RTL_DMA0_MODE				0x00
#define RTL_DMA0_PCI_ADDR			0x04
#define RTL_DMA0_LOCAL_ADDR			0x08
#define RTL_DMA0_COUNT				0x0C
#define RTL_DMA0_DESC_PTR			0x10
#define RTL_DMA1_MODE				0x14
#define RTL_DMA1_PCI_ADDR			0x18
#define RTL_DMA1_LOCAL_ADDR			0x1C
#define RTL_DMA1_COUNT				0x20
#define RTL_DMA1_DESC_PTR			0x24
#define RTL_DMA_COMMAND_STATUS		0x28
#define RTL_DMA_ARB0				0x2C
#define RTL_DMA_ARB1				0x30

/************************************************/
/*		Dale Scratchpad locations				*/
/************************************************/
#define	DALE_CHANNEL_DEVICE_0		0		// device channel locations
#define	DALE_CHANNEL_DEVICE_1		1
#define	DALE_CHANNEL_DEVICE_2		2
#define	DALE_CHANNEL_DEVICE_3		3

#define	DALE_SCRATCH_DEVICE_0		4		// device type codes
#define	DALE_SCRATCH_DEVICE_1		5
#define DALE_SCRATCH_DEVICE_2		6
#define	DALE_SCRATCH_DEVICE_3		7

#define	DALE_RAID_0_STATUS			8
#define DALE_RAID_1_STATUS			9

#define	DALE_TIMING_MODE			12		// bus master timing mode (2, 3, 4, 5)
#define	DALE_NUM_DRIVES				13		// number of addressable drives on this board
#define	DALE_RAID_ON				14 		// RAID status On
#define	DALE_LAST_ERROR				15		// Last error code from BIOS

/************************************************/
/*		BigD Scratchpad locations				*/
/************************************************/
#define	BIGD_DEVICE_0			0		// device channel locations
#define	BIGD_DEVICE_1			1
#define	BIGD_DEVICE_2			2
#define	BIGD_DEVICE_3			3

#define	BIGD_DEVICE_4			4		// device type codes
#define	BIGD_DEVICE_5			5
#define BIGD_DEVICE_6			6
#define	BIGD_DEVICE_7			7

#define	BIGD_ALARM_IMAGE		11		// ~image of alarm fail register		
#define	BIGD_TIMING_MODE		12		// bus master timing mode (2, 3, 4, 5)
#define	BIGD_NUM_DRIVES			13		// number of addressable drives on this board
#define	BIGD_RAID_ON			14 		// RAID status is on for the whole board
#define	BIGD_LAST_ERROR			15		// Last error code from BIOS

#define	BIGD_RAID_0_STATUS		16
#define BIGD_RAID_1_STATUS		17
#define	BIGD_RAID_2_STATUS		18
#define	BIGD_RAID_3_STATUS		19
#define	BIGD_RAID_4_STATUS		20
#define BIGD_RAID_5_STATUS		21
#define	BIGD_RAID_6_STATUS		22
#define	BIGD_RAID_7_STATUS		23

/************************************************/
/*		Dale cable select bits					*/
/************************************************/
#define	SEL_NONE					0x00
#define	SEL_1						0x01
#define	SEL_2						0x02
#define	SEL_3						0x04
#define	SEL_4						0x08
#define	SEL_NEW_SPEED_1				0x20
#define	SEL_COPY					0x40
#define	SEL_IRQ_OFF					0x80

/************************************************/
/*		Device/Geometry controls				*/
/************************************************/
#define GEOMETRY_NONE	 			0x0				// No device
#define GEOMETRY_SET				0x1				// Geometry set
#define	GEOMETRY_LBA				0x2				// Geometry set in default LBA mode
#define	GEOMETRY_PHOENIX			0x3				// Geometry set in Pheonix BIOS compatibility mode

#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

/************************************************/
/*		BigD fail register bits					*/
/************************************************/
#define	FAIL_NONE				0x00
#define	FAIL_0					0x01
#define	FAIL_1					0x02
#define	FAIL_2					0x04
#define	FAIL_MULTIPLE			0x08
#define	FAIL_GOOD				0x20
#define	FAIL_AUDIBLE			0x40
#define	FAIL_ANY				0x80

/************************************************/
/*		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
	ULONG	realCapacity;		// number of real blocks on this device for drive changed testing
	} SETUP_DEVICE, *PSETUP_DEVICE;

typedef struct		// master setup structure
	{
	USHORT			startupDelay;
	BOOL			promptBIOS;
	BOOL			fastFormat;
	BOOL			shareInterrupt;
	BOOL			rebootRebuild;
	USHORT			timingMode;
	USHORT			spare5;
	USHORT			spare6;
	SETUP_DEVICE	setupDevice[BIGD_MAXDRIVES];
	}	SETUP, *PSETUP;

/************************************************/
/*		RAID Structure Definitions				*/
/************************************************/
typedef	struct
	{
	UCHAR	signature;			// 0x55 our mirror signature
	UCHAR	status;				// current status bits
	UCHAR	pairIdentifier;		// unique identifier for pair
	ULONG	reconstructPoint;	// recontruction point for hot reconstruct
	}	DISK_MIRROR;

typedef struct	DEVICE_RAID1
	{
	long		TotalSectors;
	DISK_MIRROR DiskRaid1;
	}	DEVICE_RAID1, *PDEVICE_RAID1;

#define	DISK_MIRROR_POSITION	0x01A8
#define	SIGNATURE				0x55

#define	MASK_SERIAL_NUMBER	0x0FFE			// mask for serial number matching
#define	MASK_SERIAL_UNIT	0x0001			// mask for unit portion of serial number

// Status bits
#define	UCBF_MIRRORED		0x0010								// drive has a pair
#define	UCBF_MATCHED		0x0020								// drive pair is matched
#define	UCBF_SURVIVOR		0x0040								// this unit is a survivor of a pair
#define	UCBF_REBUILD		0x0080								// rebuild in progress on this device

// SCSI controls for RAID
#define	SC_MY_RAID			0xBF			// our special CDB command byte for Win95... interface
#define	MY_SCSI_QUERY1		0x32			// byte 1 subcommand to query driver for RAID 1 informatation