wavecyclicminiport.cpp File Reference

#include "wavecyclicminiport.h"
#include "wavecyclicstream.h"

Include dependency graph for wavecyclicminiport.cpp:

Go to the source code of this file.

Macros
#define	STR_MODULENAME   "AC97 Wave Cyclic: "

Functions
	IMP_CMiniport (CMiniportWaveCyclic, IID_IMiniportWaveCyclic) NTSTATUS CreateAC97MiniportWaveCyclic(OUT PUNKNOWN *Unknown
IN IN PUNKNOWN UnknownOuter	_When_ ((PoolType &NonPagedPoolMustSucceed) !=0, __drv_reportError("Must succeed pool allocations are forbidden. " "Allocation failures cause a system crash")) IN POOL_TYPE PoolType)
	STDMETHODIMP_ (NTSTATUS) CMiniportWaveCyclic

Variables
IN	REFCLSID
IN IN PUNKNOWN UnknownOuter	OPTIONAL

Macro Definition Documentation

STR_MODULENAME

#define STR_MODULENAME   "AC97 Wave Cyclic: "

Definition at line 9 of file wavecyclicminiport.cpp.

Function Documentation

_When_()

IN IN PUNKNOWN UnknownOuter _When_	(	(PoolType &NonPagedPoolMustSucceed) !	= 0,
		__drv_reportError("Must succeed pool allocations are forbidden. " "Allocation failures cause a system crash")
	)

Definition at line 32 of file wavecyclicminiport.cpp.

{
    PAGED_CODE ();
 
    ASSERT (Unknown);
 
    DOUT (DBG_PRINT, ("[CreateAC97MiniportWaveCyclic]"));
 
    STD_CREATE_BODY_WITH_TAG_(CMiniportWaveCyclic,Unknown,UnknownOuter,PoolType,
                     PoolTag, PMINIPORTWAVECYCLIC);
}

IMP_CMiniport()

IMP_CMiniport	(	CMiniportWaveCyclic	,
		IID_IMiniportWaveCyclic
	)

STDMETHODIMP_()

STDMETHODIMP_

(

NTSTATUS

)

Definition at line 54 of file wavecyclicminiport.cpp.

{
    PAGED_CODE ();
 
    NTSTATUS ntStatus = CMiniport::Init(
                            UnknownAdapter,
                            ResourceList,
                            Port_
                        );
 
    if (!NT_SUCCESS (ntStatus))
    {
        return ntStatus;
    }
 
    //
    // Create the DMA Channel object.
    //
    ntStatus = Port->NewMasterDmaChannel (&DmaChannel,      // OutDmaChannel
                                          NULL,             // OuterUnknown (opt)
                                          NULL,             // ResourceList (opt)
                                          0x1FFFE,          // MaximumLength
                                          TRUE,             // Dma32BitAddresses
                                          FALSE,            // Dma64BitAddresses
                                          Width32Bits,      // DmaWidth
                                          MaximumDmaSpeed); // DmaSpeed
    if (!NT_SUCCESS (ntStatus))
    {
        DOUT (DBG_ERROR, ("Failed on NewMasterDmaChannel!"));
        return ntStatus;
    }
 
    //
    // On failure object is destroyed which cleans up.
    //
    return ntStatus;
}

Variable Documentation

OPTIONAL

IN IN PUNKNOWN UnknownOuter OPTIONAL

Definition at line 31 of file wavecyclicminiport.cpp.

REFCLSID

IN REFCLSID

Definition at line 30 of file wavecyclicminiport.cpp.