miniport.cpp

Go to the documentation of this file.

/*
 * COPYRIGHT:       See COPYING in the top level directory
 * PROJECT:         ReactOS Kernel Streaming
 * FILE:            drivers/wdm/audio/backpln/portcls/miniport.cpp
 * PURPOSE:         Miniport construction api
 * PROGRAMMER:      Andrew Greenwood
 */
 
#include "private.hpp"
 
#ifndef YDEBUG
#define NDEBUG
#endif
 
#include <debug.h>
 
PVOID
__cdecl
operator new(
    size_t Size,
    POOL_TYPE PoolType,
    ULONG Tag)
{
    PVOID P = ExAllocatePoolWithTag(PoolType, Size, Tag);
    if (P)
        RtlZeroMemory(P, Size);
    return P;
}
 
void
__cdecl
operator delete(
    PVOID ptr)
{
    ExFreePool(ptr);
}
 
void
__cdecl
operator delete(
    PVOID ptr, UINT_PTR)
{
    ExFreePool(ptr);
}
 
NTSTATUS
NTAPI
PcNewMiniport(
    OUT PMINIPORT* OutMiniport,
    IN  REFCLSID ClassId)
{
    NTSTATUS Status = STATUS_INVALID_PARAMETER;
 
    DPRINT("PcNewMiniport entered\n");
    PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
 
    if (!OutMiniport)
    {
        DPRINT("PcNewMiniport was supplied a NULL OutPort parameter\n");
        return STATUS_INVALID_PARAMETER;
    }
 
    if (IsEqualGUIDAligned(ClassId, CLSID_MiniportDriverDMusUART) ||
        IsEqualGUIDAligned(ClassId, CLSID_MiniportDriverUart) ||
        IsEqualGUIDAligned(ClassId, CLSID_MiniportDriverDMusUARTCapture))
    {
        Status = NewMiniportDMusUART(OutMiniport, ClassId);
    }
    else if (IsEqualGUIDAligned(ClassId, CLSID_MiniportDriverFmSynth) ||
             IsEqualGUIDAligned(ClassId, CLSID_MiniportDriverFmSynthWithVol))
    {
        Status = NewMiniportFmSynth(OutMiniport, ClassId);
    }
    else
    {
        Status = STATUS_INVALID_PARAMETER;
    }
 
    DPRINT("PcNewMiniport Status %x\n", Status);
    return Status;
}