#ifndef _IOKIT_APPLEMACRISCPCI_H
#define _IOKIT_APPLEMACRISCPCI_H
#include <IOKit/pci/IOPCIBridge.h>
enum {
kBridgeSelfDevice = 11
};
enum {
kMacRISCAddressSelect = 0x48
};
class AppleMacRiscPCI : public IOPCIBridge
{
OSDeclareDefaultStructors(AppleMacRiscPCI)
protected:
IOSimpleLock * lock;
IODeviceMemory * ioMemory;
IOMemoryMap * configAddrMap;
IOMemoryMap * configDataMap;
volatile UInt32 * configAddr;
volatile UInt8 * configData;
UInt16 coarseAddressMask;
UInt16 fineAddressMask;
UInt8 primaryBus;
UInt8 configDataOffsetMask;
inline bool setConfigSpace( IOPCIAddressSpace space, UInt8 offset );
virtual UInt8 firstBusNum( void );
virtual UInt8 lastBusNum( void );
public:
virtual bool start( IOService * provider );
virtual bool configure( IOService * provider );
virtual void free();
virtual IODeviceMemory * ioDeviceMemory( void );
virtual UInt32 configRead32( IOPCIAddressSpace space, UInt8 offset );
virtual void configWrite32( IOPCIAddressSpace space,
UInt8 offset, UInt32 data );
virtual UInt16 configRead16( IOPCIAddressSpace space, UInt8 offset );
virtual void configWrite16( IOPCIAddressSpace space,
UInt8 offset, UInt16 data );
virtual UInt8 configRead8( IOPCIAddressSpace space, UInt8 offset );
virtual void configWrite8( IOPCIAddressSpace space,
UInt8 offset, UInt8 data );
virtual IOPCIAddressSpace getBridgeSpace( void );
};
class AppleMacRiscVCI : public AppleMacRiscPCI
{
OSDeclareDefaultStructors(AppleMacRiscVCI)
public:
virtual bool configure( IOService * provider );
virtual IODeviceMemory * ioDeviceMemory( void );
};
enum {
kUniNGART_BASE = 0x8c,
kUniNAGP_BASE = 0x90,
kUniNGART_CTRL = 0x94,
kUniNINTERNAL_STATUS = 0x98
};
enum {
kGART_INV = 0x00000001,
kGART_EN = 0x00000100,
kGART_2xRESET = 0x00010000
};
class IORangeAllocator;
class AppleMacRiscAGP : public AppleMacRiscPCI
{
OSDeclareDefaultStructors(AppleMacRiscAGP)
protected:
IORangeAllocator * agpRange;
UInt32 agpBaseIndex;
IOPhysicalAddress systemBase;
IOPhysicalLength systemLength;
volatile UInt32 * gartArray;
IOByteCount gartLength;
UInt8 targetAGPRegisters;
private:
virtual IOReturn setAGPEnable( IOAGPDevice * master, bool enable,
IOOptionBits options = 0 );
public:
virtual bool configure( IOService * provider );
virtual IOPCIDevice * createNub( OSDictionary * from );
virtual IOReturn saveDeviceState( IOPCIDevice * device,
IOOptionBits options = 0 );
virtual IOReturn restoreDeviceState( IOPCIDevice * device,
IOOptionBits options = 0 );
virtual IOReturn createAGPSpace( IOAGPDevice * master,
IOOptionBits options,
IOPhysicalAddress * address,
IOPhysicalLength * length );
virtual IOReturn destroyAGPSpace( IOAGPDevice * master );
virtual IORangeAllocator * getAGPRangeAllocator( IOAGPDevice * master );
virtual IOOptionBits getAGPStatus( IOAGPDevice * master,
IOOptionBits options = 0 );
virtual IOReturn resetAGPDevice( IOAGPDevice * master,
IOOptionBits options = 0 );
virtual IOReturn getAGPSpace( IOAGPDevice * master,
IOPhysicalAddress * address,
IOPhysicalLength * length );
virtual IOReturn commitAGPMemory( IOAGPDevice * master,
IOMemoryDescriptor * memory,
IOByteCount agpOffset,
IOOptionBits options = 0 );
virtual IOReturn releaseAGPMemory( IOAGPDevice * master,
IOMemoryDescriptor * memory,
IOByteCount agpOffset,
IOOptionBits options = 0 );
};
#endif