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/*++ BUILD Version: 0001 // Increment this if a change has global effects
Copyright (c) 1991 Microsoft Corporation
Module Name:
jxhalp.h
Abstract:
This header file defines the private Hardware Architecture Layer (HAL)
Jazz specific interfaces, defines and structures.
Author:
Jeff Havens (jhavens) 20-Jun-91
Revision History:
--*/
#ifndef _JXHALP_
#define _JXHALP_
//
// Define global data used to locate the EISA control space and the realtime
// clock registers.
//
extern PVOID HalpEisaControlBase;
extern PVOID HalpEisaMemoryBase;
extern PVOID HalpRealTimeClockBase;
//
// Define adapter object structure.
//
typedef struct _ADAPTER_OBJECT {
CSHORT Type;
CSHORT Size;
struct _ADAPTER_OBJECT *MasterAdapter;
ULONG MapRegistersPerChannel;
PVOID AdapterBaseVa;
PVOID MapRegisterBase;
ULONG NumberOfMapRegisters;
ULONG CommittedMapRegisters;
struct _WAIT_CONTEXT_BLOCK *CurrentWcb;
KDEVICE_QUEUE ChannelWaitQueue;
PKDEVICE_QUEUE RegisterWaitQueue;
LIST_ENTRY AdapterQueue;
KSPIN_LOCK SpinLock;
PRTL_BITMAP MapRegisters;
PUCHAR PagePort;
UCHAR ChannelNumber;
UCHAR AdapterNumber;
USHORT DmaPortAddress;
UCHAR AdapterMode;
BOOLEAN NeedsMapRegisters;
BOOLEAN MasterDevice;
BOOLEAN Width16Bits;
BOOLEAN ScatterGather;
} ADAPTER_OBJECT;
//
// Define function prototypes.
//
PADAPTER_OBJECT
HalpAllocateEisaAdapter(
IN PDEVICE_DESCRIPTION DeviceDescription
);
BOOLEAN
HalpCreateEisaStructures(
VOID
);
VOID
HalpDisableEisaInterrupt(
IN ULONG Vector
);
BOOLEAN
HalpEisaDispatch(
IN PKINTERRUPT Interrupt,
IN PVOID ServiceContext
);
VOID
HalpEisaMapTransfer(
IN PADAPTER_OBJECT AdapterObject,
IN ULONG Offset,
IN ULONG Length,
IN BOOLEAN WriteToDevice
);
VOID
HalpEnableEisaInterrupt(
IN ULONG Vector,
IN KINTERRUPT_MODE InterruptMode
);
#endif // _JXHALP_
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