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67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
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/*
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ReactOS Sound System
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Hardware interaction helper
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Author:
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Andrew Greenwood (silverblade@reactos.org)
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History:
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25 May 2008 - Created
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Notes:
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This uses some obsolete calls (eg: HalGetInterruptVector).
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Might be worth updating this in future to use some of the
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recommended functions like IoReportDetectedDevice and
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IoReportResourceForDetection...
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*/
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#include <ntddk.h>
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#include <ntddsnd.h>
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#include <debug.h>
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/* NOTE: Disconnect using IoDisconnectInterrupt */
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NTSTATUS
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LegacyAttachInterrupt(
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IN PDEVICE_OBJECT DeviceObject,
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IN UCHAR Irq,
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IN PKSERVICE_ROUTINE ServiceRoutine,
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OUT PKINTERRUPT* InterruptObject)
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{
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NTSTATUS Status;
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ULONG Vector;
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KIRQL IrqLevel;
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KAFFINITY Affinity;
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DPRINT("Obtaining interrupt vector");
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Vector = HalGetInterruptVector(Isa,
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0,
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Irq,
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Irq,
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&IrqLevel,
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&Affinity);
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DPRINT("Vector %d", Vector);
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DPRINT("Connecting IRQ %d", Irq);
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Status = IoConnectInterrupt(InterruptObject,
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ServiceRoutine,
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DeviceObject,
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NULL,
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Vector,
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IrqLevel,
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IrqLevel,
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Latched,
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FALSE,
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Affinity,
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FALSE);
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if ( Status == STATUS_INVALID_PARAMETER )
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{
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Status = STATUS_DEVICE_CONFIGURATION_ERROR;
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}
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return Status;
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}
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