/*
 	File:		PCI.h
 
 	Contains:	PCI Bus Interfaces.
 
 	Version:	Technology:	PowerSurge 1.0.2
 				Release:	QuickTime 4.1
 
 	Copyright:	(c) 1993-1999 by Apple Computer, Inc., all rights reserved.
 
 	Bugs?:		For bug reports, consult the following page on
 				the World Wide Web:
 
 					http://developer.apple.com/bugreporter/
 
*/
#ifndef __PCI__
#define __PCI__

#ifndef __MACTYPES__
	#include <MacTypes.h>
#endif

#ifndef __NAMEREGISTRY__
	#include <NameRegistry.h>
#endif




#if PRAGMA_ONCE
#pragma once
#endif

#ifdef __cplusplus
extern "C" {
#endif

#if PRAGMA_IMPORT
#pragma import on
#endif

#if PRAGMA_STRUCT_ALIGN
	#pragma options align=mac68k
#elif PRAGMA_STRUCT_PACKPUSH
	#pragma pack(push, 2)
#elif PRAGMA_STRUCT_PACK
	#pragma pack(2)
#endif

/* Definitions for the PCI Config Registers*/
enum {
	kPCIConfigVendorID			= 0x00,
	kPCIConfigDeviceID			= 0x02,
	kPCIConfigCommand			= 0x04,
	kPCIConfigStatus			= 0x06,
	kPCIConfigRevisionID		= 0x08,
	kPCIConfigClassCode			= 0x09,
	kPCIConfigCacheLineSize		= 0x0C,
	kPCIConfigLatencyTimer		= 0x0D,
	kPCIConfigHeaderType		= 0x0E,
	kPCIConfigBIST				= 0x0F,
	kPCIConfigBaseAddress0		= 0x10,
	kPCIConfigBaseAddress1		= 0x14,
	kPCIConfigBaseAddress2		= 0x18,
	kPCIConfigBaseAddress3		= 0x1C,
	kPCIConfigBaseAddress4		= 0x20,
	kPCIConfigBaseAddress5		= 0x24,
	kPCIConfigCardBusCISPtr		= 0x28,
	kPCIConfigSubSystemVendorID	= 0x2C,
	kPCIConfigSubSystemID		= 0x2E,
	kPCIConfigExpansionROMBase	= 0x30,
	kPCIConfigCapabilitiesPtr	= 0x34,
	kPCIConfigInterruptLine		= 0x3C,
	kPCIConfigInterruptPin		= 0x3D,
	kPCIConfigMinimumGrant		= 0x3E,
	kPCIConfigMaximumLatency	= 0x3F
};

/* Definitions for the Capabilities PCI Config Register*/
enum {
	kPCICapabilityIDOffset		= 0x00,
	kPCINextCapabilityOffset	= 0x01,
	kPCIPowerManagementCapability = 0x01,
	kPCIAGPCapability			= 0x02
};

/* Types and structures for accessing the PCI Assigned-Address property.*/

#define kPCIAssignedAddressProperty "assigned-addresses"
enum {
	kPCIRelocatableSpace		= 0x80,
	kPCIPrefetchableSpace		= 0x40,
	kPCIAliasedSpace			= 0x20,
	kPCIAddressTypeCodeMask		= 0x03,
	kPCIConfigSpace				= 0,
	kPCIIOSpace					= 1,
	kPCI32BitMemorySpace		= 2,
	kPCI64BitMemorySpace		= 3
};

typedef UInt8 							PCIAddressSpaceFlags;
enum {
	kPCIDeviceNumberMask		= 0x1F,
	kPCIFunctionNumberMask		= 0x07
};

typedef UInt8 							PCIDeviceFunction;
typedef UInt8 							PCIBusNumber;
typedef UInt8 							PCIRegisterNumber;

struct PCIAssignedAddress {
	PCIAddressSpaceFlags 			addressSpaceFlags;
	PCIBusNumber 					busNumber;
	PCIDeviceFunction 				deviceFunctionNumber;
	PCIRegisterNumber 				registerNumber;
	UnsignedWide 					address;
	UnsignedWide 					size;
};
typedef struct PCIAssignedAddress		PCIAssignedAddress;
typedef PCIAssignedAddress *			PCIAssignedAddressPtr;
#define GetPCIIsRelocatable( AssignedAddressPtr )		((AssignedAddressPtr)->addressSpaceFlags & kPCIRelocatableSpace)
#define GetPCIIsPrefetchable( AssignedAddressPtr )		((AssignedAddressPtr)->addressSpaceFlags & kPCIPrefetchableSpace)
#define GetPCIIsAliased( AssignedAddressPtr )			((AssignedAddressPtr)->addressSpaceFlags & kPCIAliasedSpace)
#define GetPCIAddressSpaceType( AssignedAddressPtr )	((AssignedAddressPtr)->addressSpaceFlags & kPCIAddressTypeCodeMask)
#define GetPCIBusNumber( AssignedAddressPtr )			((AssignedAddressPtr)->busNumber)
#define GetPCIDeviceNumber( AssignedAddressPtr )		(((AssignedAddressPtr)->deviceFunctionNumber >> 3) & kPCIDeviceNumberMask)
#define GetPCIFunctionNumber( AssignedAddressPtr )		((AssignedAddressPtr)->deviceFunctionNumber & kPCIFunctionNumberMask)
#define GetPCIRegisterNumber( AssignedAddressPtr )		((AssignedAddressPtr)->registerNumber)

																							#if TARGET_OS_MAC && TARGET_CPU_68K && !TARGET_RT_MAC_CFM
																							#pragma parameter __D0 EndianSwap16Bit(__D0)
																							#endif
EXTERN_API( UInt16 )
EndianSwap16Bit					(UInt16 				data16)								ONEWORDINLINE(0xE158);

																							#if TARGET_OS_MAC && TARGET_CPU_68K && !TARGET_RT_MAC_CFM
																							#pragma parameter __D0 EndianSwap32Bit(__D0)
																							#endif
EXTERN_API( UInt32 )
EndianSwap32Bit					(UInt32 				data32)								THREEWORDINLINE(0xE158, 0x4840, 0xE158);

EXTERN_API( OSErr )
ExpMgrConfigReadByte			(RegEntryIDPtr 			node,
								 LogicalAddress 		configAddr,
								 UInt8 *				valuePtr)							THREEWORDINLINE(0x303C, 0x0620, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrConfigReadWord			(RegEntryIDPtr 			node,
								 LogicalAddress 		configAddr,
								 UInt16 *				valuePtr)							THREEWORDINLINE(0x303C, 0x0621, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrConfigReadLong			(RegEntryIDPtr 			node,
								 LogicalAddress 		configAddr,
								 UInt32 *				valuePtr)							THREEWORDINLINE(0x303C, 0x0622, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrConfigWriteByte			(RegEntryIDPtr 			node,
								 LogicalAddress 		configAddr,
								 UInt8 					value)								THREEWORDINLINE(0x303C, 0x0523, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrConfigWriteWord			(RegEntryIDPtr 			node,
								 LogicalAddress 		configAddr,
								 UInt16 				value)								THREEWORDINLINE(0x303C, 0x0524, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrConfigWriteLong			(RegEntryIDPtr 			node,
								 LogicalAddress 		configAddr,
								 UInt32 				value)								THREEWORDINLINE(0x303C, 0x0625, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrIOReadByte				(RegEntryIDPtr 			node,
								 LogicalAddress 		ioAddr,
								 UInt8 *				valuePtr)							THREEWORDINLINE(0x303C, 0x0626, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrIOReadWord				(RegEntryIDPtr 			node,
								 LogicalAddress 		ioAddr,
								 UInt16 *				valuePtr)							THREEWORDINLINE(0x303C, 0x0627, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrIOReadLong				(RegEntryIDPtr 			node,
								 LogicalAddress 		ioAddr,
								 UInt32 *				valuePtr)							THREEWORDINLINE(0x303C, 0x0628, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrIOWriteByte				(RegEntryIDPtr 			node,
								 LogicalAddress 		ioAddr,
								 UInt8 					value)								THREEWORDINLINE(0x303C, 0x0529, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrIOWriteWord				(RegEntryIDPtr 			node,
								 LogicalAddress 		ioAddr,
								 UInt16 				value)								THREEWORDINLINE(0x303C, 0x052A, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrIOWriteLong				(RegEntryIDPtr 			node,
								 LogicalAddress 		ioAddr,
								 UInt32 				value)								THREEWORDINLINE(0x303C, 0x062B, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrInterruptAcknowledgeReadByte (RegEntryIDPtr 		entry,
								 UInt8 *				valuePtr)							THREEWORDINLINE(0x303C, 0x0411, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrInterruptAcknowledgeReadWord (RegEntryIDPtr 		entry,
								 UInt16 *				valuePtr)							THREEWORDINLINE(0x303C, 0x0412, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrInterruptAcknowledgeReadLong (RegEntryIDPtr 		entry,
								 UInt32 *				valuePtr)							THREEWORDINLINE(0x303C, 0x0413, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrSpecialCycleWriteLong		(RegEntryIDPtr 			entry,
								 UInt32 				value)								THREEWORDINLINE(0x303C, 0x0419, 0xAAF3);

EXTERN_API( OSErr )
ExpMgrSpecialCycleBroadcastLong	(UInt32 				value)								THREEWORDINLINE(0x303C, 0x021A, 0xAAF3);


#if PRAGMA_STRUCT_ALIGN
	#pragma options align=reset
#elif PRAGMA_STRUCT_PACKPUSH
	#pragma pack(pop)
#elif PRAGMA_STRUCT_PACK
	#pragma pack()
#endif

#ifdef PRAGMA_IMPORT_OFF
#pragma import off
#elif PRAGMA_IMPORT
#pragma import reset
#endif

#ifdef __cplusplus
}
#endif

#endif /* __PCI__ */

