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