//=============================================================================
NTSTATUS CMiniportTopology::PropertyHandlerDevSpecific(IN PPCPROPERTY_REQUEST PropertyRequest)
/*++
Routine Description:
Property handler for KSPROPERTY_AUDIO_DEV_SPECIFIC
Arguments:
PropertyRequest - property request structure
Return Value:
NT status code.
--*/
{
PAGED_CODE();
DPF_ENTER(("[%s]",__FUNCTION__));
NTSTATUS ntStatus = STATUS_SUCCESS;
if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT) {
if (DEV_SPECIFIC_VT_BOOL == PropertyRequest->Node ) {
ntStatus = PropertyHandler_BasicSupport(PropertyRequest,KSPROPERTY_TYPE_ALL,VT_BOOL);
} else {
ULONG ExpectedSize = sizeof( KSPROPERTY_DESCRIPTION ) + sizeof( KSPROPERTY_MEMBERSHEADER ) + sizeof( KSPROPERTY_BOUNDS_LONG );
DWORD ulPropTypeSetId;
if( DEV_SPECIFIC_VT_I4 == PropertyRequest->Node ) {
ulPropTypeSetId = VT_I4;
} else if ( DEV_SPECIFIC_VT_UI4 == PropertyRequest->Node ) {
ulPropTypeSetId = VT_UI4;
} else {
ulPropTypeSetId = VT_ILLEGAL;
ntStatus = STATUS_INVALID_PARAMETER;
}
if( NT_SUCCESS(ntStatus)) {
if ( !PropertyRequest->ValueSize ) {
PropertyRequest->ValueSize = ExpectedSize;
ntStatus = STATUS_BUFFER_OVERFLOW;
} else if (PropertyRequest->ValueSize >= sizeof(KSPROPERTY_DESCRIPTION)) {
// if return buffer can hold a KSPROPERTY_DESCRIPTION, return it
//
PKSPROPERTY_DESCRIPTION PropDesc = PKSPROPERTY_DESCRIPTION(PropertyRequest->Value);
PropDesc->AccessFlags = KSPROPERTY_TYPE_ALL;
PropDesc->DescriptionSize = ExpectedSize;
PropDesc->PropTypeSet.Set = KSPROPTYPESETID_General;
PropDesc->PropTypeSet.Id = ulPropTypeSetId;
PropDesc->PropTypeSet.Flags = 0;
PropDesc->MembersListCount = 0;
PropDesc->Reserved = 0;
if ( PropertyRequest->ValueSize >= ExpectedSize ) {
// Extra information to return
PropDesc->MembersListCount = 1;
PKSPROPERTY_MEMBERSHEADER MembersHeader = ( PKSPROPERTY_MEMBERSHEADER )( PropDesc + 1);
MembersHeader->MembersFlags = KSPROPERTY_MEMBER_RANGES;
MembersHeader->MembersCount = 1;
MembersHeader->MembersSize = sizeof( KSPROPERTY_BOUNDS_LONG );
MembersHeader->Flags = 0;
PKSPROPERTY_BOUNDS_LONG PeakMeterBounds = (PKSPROPERTY_BOUNDS_LONG)( MembersHeader + 1);
if(VT_I4 == ulPropTypeSetId ) {
PeakMeterBounds->SignedMinimum = 0;
PeakMeterBounds->SignedMaximum = 0x7fffffff;
} else {
PeakMeterBounds->UnsignedMinimum = 0;
PeakMeterBounds->UnsignedMaximum = 0xffffffff;
}
// set the return value size
PropertyRequest->ValueSize = ExpectedSize;
} else {
// No extra information to return.
PropertyRequest->ValueSize = sizeof(KSPROPERTY_DESCRIPTION);
}
ntStatus = STATUS_SUCCESS;
} else if (PropertyRequest->ValueSize >= sizeof(ULONG)) {
// if return buffer can hold a ULONG, return the access flags
//
*(PULONG(PropertyRequest->Value)) = KSPROPERTY_TYPE_ALL;
PropertyRequest->ValueSize = sizeof(ULONG);
ntStatus = STATUS_SUCCESS;
} else {
PropertyRequest->ValueSize = 0;
ntStatus = STATUS_BUFFER_TOO_SMALL;
}
}
}
} else {
// switch on node id
switch( PropertyRequest->Node ) {
case DEV_SPECIFIC_VT_BOOL:
PBOOL pbDevSpecific;
ntStatus = ValidatePropertyParams(PropertyRequest, sizeof(BOOL), 0);
if (NT_SUCCESS(ntStatus)) {
pbDevSpecific = PBOOL (PropertyRequest->Value);
if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) {
*pbDevSpecific = m_AdapterCommon->bDevSpecificRead();
PropertyRequest->ValueSize = sizeof(BOOL);
} else if (PropertyRequest->Verb & KSPROPERTY_TYPE_SET) {
m_AdapterCommon->bDevSpecificWrite(*pbDevSpecific);
} else {
ntStatus = STATUS_INVALID_PARAMETER;
}
}
break;
case DEV_SPECIFIC_VT_I4:
INT* piDevSpecific;
ntStatus = ValidatePropertyParams(PropertyRequest, sizeof(int), 0);
if (NT_SUCCESS(ntStatus)) {
piDevSpecific = PINT (PropertyRequest->Value);
if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) {
*piDevSpecific = m_AdapterCommon->iDevSpecificRead();
PropertyRequest->ValueSize = sizeof(int);
} else if (PropertyRequest->Verb & KSPROPERTY_TYPE_SET) {
m_AdapterCommon->iDevSpecificWrite(*piDevSpecific);
} else {
ntStatus = STATUS_INVALID_PARAMETER;
}
}
break;
case DEV_SPECIFIC_VT_UI4:
UINT* puiDevSpecific;
ntStatus = ValidatePropertyParams(PropertyRequest, sizeof(UINT), 0);
if (NT_SUCCESS(ntStatus)) {
puiDevSpecific = PUINT (PropertyRequest->Value);
if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) {
*puiDevSpecific = m_AdapterCommon->uiDevSpecificRead();
PropertyRequest->ValueSize = sizeof(UINT);
} else if (PropertyRequest->Verb & KSPROPERTY_TYPE_SET) {
m_AdapterCommon->uiDevSpecificWrite(*puiDevSpecific);
} else {
ntStatus = STATUS_INVALID_PARAMETER;
}
}
break;
default:
ntStatus = STATUS_INVALID_PARAMETER;
break;
}
if( !NT_SUCCESS(ntStatus)) {
DPF(D_TERSE, ("[%s - ntStatus=0x%08x]",__FUNCTION__,ntStatus));
}
}
return ntStatus;
} // PropertyHandlerDevSpecific
NTSTATUS
PropertyHandler_BasicSupportPeakMeter2
(
_In_ PPCPROPERTY_REQUEST PropertyRequest,
_In_ ULONG MaxChannels
)
/*++
Routine Description:
Handles BasicSupport for peak meter nodes.
Arguments:
PropertyRequest - property request structure.
MaxChannels - # of supported channels.
Return Value:
NT status code.
--*/
{
PAGED_CODE();
NTSTATUS ntStatus = STATUS_SUCCESS;
ULONG cbFullProperty =
sizeof(KSPROPERTY_DESCRIPTION) +
sizeof(KSPROPERTY_MEMBERSHEADER) +
sizeof(KSPROPERTY_STEPPING_LONG) * MaxChannels;
ASSERT(MaxChannels > 0);
if (PropertyRequest->ValueSize >= (sizeof(KSPROPERTY_DESCRIPTION)))
{
PKSPROPERTY_DESCRIPTION PropDesc =
PKSPROPERTY_DESCRIPTION(PropertyRequest->Value);
PropDesc->AccessFlags = KSPROPERTY_TYPE_GET | KSPROPERTY_TYPE_BASICSUPPORT;
PropDesc->DescriptionSize = cbFullProperty;
PropDesc->PropTypeSet.Set = KSPROPTYPESETID_General;
PropDesc->PropTypeSet.Id = VT_I4;
PropDesc->PropTypeSet.Flags = 0;
PropDesc->MembersListCount = 1;
PropDesc->Reserved = 0;
// if return buffer can also hold a range description, return it too
if(PropertyRequest->ValueSize >= cbFullProperty)
{
// fill in the members header
PKSPROPERTY_MEMBERSHEADER Members =
PKSPROPERTY_MEMBERSHEADER(PropDesc + 1);
Members->MembersFlags = KSPROPERTY_MEMBER_STEPPEDRANGES;
Members->MembersSize = sizeof(KSPROPERTY_STEPPING_LONG);
Members->MembersCount = MaxChannels;
Members->Flags = KSPROPERTY_MEMBER_FLAG_BASICSUPPORT_MULTICHANNEL;
// fill in the stepped range
PKSPROPERTY_STEPPING_LONG Range =
PKSPROPERTY_STEPPING_LONG(Members + 1);
for (ULONG i=0; i<MaxChannels; ++i)
{
Range[i].Bounds.SignedMaximum = PEAKMETER_SIGNED_MAXIMUM;
Range[i].Bounds.SignedMinimum = PEAKMETER_SIGNED_MINIMUM;
Range[i].SteppingDelta = PEAKMETER_STEPPING_DELTA;
Range[i].Reserved = 0;
}
// set the return value size
PropertyRequest->ValueSize = cbFullProperty;
}
else
{
PropertyRequest->ValueSize = sizeof(KSPROPERTY_DESCRIPTION);
}
}
else if(PropertyRequest->ValueSize >= sizeof(ULONG))
{
// if return buffer can hold a ULONG, return the access flags
PULONG AccessFlags = PULONG(PropertyRequest->Value);
PropertyRequest->ValueSize = sizeof(ULONG);
*AccessFlags = KSPROPERTY_TYPE_ALL;
}
else
{
PropertyRequest->ValueSize = 0;
ntStatus = STATUS_BUFFER_TOO_SMALL;
}
return ntStatus;
} // PropertyHandlerBasicSupportVolume
//=============================================================================
NTSTATUS CMiniportTopology::PropertyHandlerBasicSupportVolume(IN PPCPROPERTY_REQUEST PropertyRequest)
/*++
Routine Description:
Handles BasicSupport for Volume nodes.
Arguments:
PropertyRequest - property request structure
Return Value:
NT status code.
--*/
{
PAGED_CODE();
NTSTATUS ntStatus = STATUS_SUCCESS;
ULONG cbFullProperty = sizeof(KSPROPERTY_DESCRIPTION) + sizeof(KSPROPERTY_MEMBERSHEADER) + sizeof(KSPROPERTY_STEPPING_LONG);
if (PropertyRequest->ValueSize >= (sizeof(KSPROPERTY_DESCRIPTION))) {
PKSPROPERTY_DESCRIPTION PropDesc = PKSPROPERTY_DESCRIPTION(PropertyRequest->Value);
PropDesc->AccessFlags = KSPROPERTY_TYPE_ALL;
PropDesc->DescriptionSize = cbFullProperty;
PropDesc->PropTypeSet.Set = KSPROPTYPESETID_General;
PropDesc->PropTypeSet.Id = VT_I4;
PropDesc->PropTypeSet.Flags = 0;
PropDesc->MembersListCount = 1;
PropDesc->Reserved = 0;
// if return buffer can also hold a range description, return it too
if(PropertyRequest->ValueSize >= cbFullProperty) {
// fill in the members header
PKSPROPERTY_MEMBERSHEADER Members = PKSPROPERTY_MEMBERSHEADER(PropDesc + 1);
Members->MembersFlags = KSPROPERTY_MEMBER_STEPPEDRANGES;
Members->MembersSize = sizeof(KSPROPERTY_STEPPING_LONG);
Members->MembersCount = 1;
Members->Flags = KSPROPERTY_MEMBER_FLAG_BASICSUPPORT_MULTICHANNEL;
// fill in the stepped range
PKSPROPERTY_STEPPING_LONG Range = PKSPROPERTY_STEPPING_LONG(Members + 1);
Range->Bounds.SignedMaximum = 0x00000000; // 0 dB
Range->Bounds.SignedMinimum = -96 * 0x10000; // -96 dB
Range->SteppingDelta = 0x08000; // .5 dB
Range->Reserved = 0;
// set the return value size
PropertyRequest->ValueSize = cbFullProperty;
} else {
PropertyRequest->ValueSize = sizeof(KSPROPERTY_DESCRIPTION);
}
} else if(PropertyRequest->ValueSize >= sizeof(ULONG)) {
// if return buffer can hold a ULONG, return the access flags
PULONG AccessFlags = PULONG(PropertyRequest->Value);
PropertyRequest->ValueSize = sizeof(ULONG);
*AccessFlags = KSPROPERTY_TYPE_ALL;
} else {
PropertyRequest->ValueSize = 0;
ntStatus = STATUS_BUFFER_TOO_SMALL;
}
return ntStatus;
} // PropertyHandlerBasicSupportVolume
NTSTATUS
PropertyHandler_BasicSupport
(
_In_ PPCPROPERTY_REQUEST PropertyRequest,
_In_ ULONG Flags,
_In_ DWORD PropTypeSetId
)
/*++
Routine Description:
Default basic support handler. Basic processing depends on the size of data.
For ULONG it only returns Flags. For KSPROPERTY_DESCRIPTION, the structure
is filled.
Arguments:
PropertyRequest -
Flags - Support flags.
PropTypeSetId - PropTypeSetId
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(Flags & KSPROPERTY_TYPE_BASICSUPPORT);
NTSTATUS ntStatus = STATUS_INVALID_PARAMETER;
if (PropertyRequest->ValueSize >= sizeof(KSPROPERTY_DESCRIPTION))
{
// if return buffer can hold a KSPROPERTY_DESCRIPTION, return it
//
PKSPROPERTY_DESCRIPTION PropDesc =
PKSPROPERTY_DESCRIPTION(PropertyRequest->Value);
PropDesc->AccessFlags = Flags;
PropDesc->DescriptionSize = sizeof(KSPROPERTY_DESCRIPTION);
if (VT_ILLEGAL != PropTypeSetId)
{
PropDesc->PropTypeSet.Set = KSPROPTYPESETID_General;
PropDesc->PropTypeSet.Id = PropTypeSetId;
}
else
{
PropDesc->PropTypeSet.Set = GUID_NULL;
PropDesc->PropTypeSet.Id = 0;
}
PropDesc->PropTypeSet.Flags = 0;
PropDesc->MembersListCount = 0;
PropDesc->Reserved = 0;
PropertyRequest->ValueSize = sizeof(KSPROPERTY_DESCRIPTION);
ntStatus = STATUS_SUCCESS;
}
else if (PropertyRequest->ValueSize >= sizeof(ULONG))
{
// if return buffer can hold a ULONG, return the access flags
//
*(PULONG(PropertyRequest->Value)) = Flags;
PropertyRequest->ValueSize = sizeof(ULONG);
ntStatus = STATUS_SUCCESS;
}
else
{
PropertyRequest->ValueSize = 0;
ntStatus = STATUS_BUFFER_TOO_SMALL;
}
return ntStatus;
} // PropertyHandler_BasicSupport
