Source code of Windows XP (NT5)
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/*++
Copyright (c) 1997-2000 Microsoft Corporation All Rights Reserved
Module Name:
common.cpp
Abstract:
Implementation of the AdapterCommon class.
--*/
#include <msvad.h>
#include "common.h"
#include "hw.h"
#include "savedata.h"
//-----------------------------------------------------------------------------
// Externals
//-----------------------------------------------------------------------------
PSAVEWORKER_PARAM CSaveData::m_pWorkItems = NULL;
PDEVICE_OBJECT CSaveData::m_pDeviceObject = NULL;
//=============================================================================
// Classes
//=============================================================================
///////////////////////////////////////////////////////////////////////////////
// CAdapterCommon
//
class CAdapterCommon :
public IAdapterCommon,
public IAdapterPowerManagement,
public CUnknown
{
private:
PPORTWAVECYCLIC m_pPortWave; // Port interface
PSERVICEGROUP m_pServiceGroupWave;
PDEVICE_OBJECT m_pDeviceObject;
DEVICE_POWER_STATE m_PowerState;
PCMSVADHW m_pHW; // Virtual MSVAD HW object
public:
//=====================================================================
// Default CUnknown
DECLARE_STD_UNKNOWN();
DEFINE_STD_CONSTRUCTOR(CAdapterCommon);
~CAdapterCommon();
//=====================================================================
// Default IAdapterPowerManagement
IMP_IAdapterPowerManagement;
//=====================================================================
// IAdapterCommon methods
STDMETHODIMP_(NTSTATUS) Init
(
IN PDEVICE_OBJECT DeviceObject
);
STDMETHODIMP_(PDEVICE_OBJECT) GetDeviceObject(void);
STDMETHODIMP_(PUNKNOWN *) WavePortDriverDest(void);
STDMETHODIMP_(void) SetWaveServiceGroup
(
IN PSERVICEGROUP ServiceGroup
);
STDMETHODIMP_(BOOL) MixerMuteRead
(
IN ULONG Index
);
STDMETHODIMP_(void) MixerMuteWrite
(
IN ULONG Index,
IN BOOL Value
);
STDMETHODIMP_(ULONG) MixerMuxRead(void);
STDMETHODIMP_(void) MixerMuxWrite
(
IN ULONG Index
);
STDMETHODIMP_(void) MixerReset(void);
STDMETHODIMP_(LONG) MixerVolumeRead
(
IN ULONG Index,
IN LONG Channel
);
STDMETHODIMP_(void) MixerVolumeWrite
(
IN ULONG Index,
IN LONG Channel,
IN LONG Value
);
//=====================================================================
// friends
friend NTSTATUS NewAdapterCommon
(
OUT PADAPTERCOMMON * OutAdapterCommon,
IN PRESOURCELIST ResourceList
);
};
//-----------------------------------------------------------------------------
// Functions
//-----------------------------------------------------------------------------
//=============================================================================
#pragma code_seg("PAGE")
NTSTATUS
NewAdapterCommon
(
OUT PUNKNOWN * Unknown,
IN REFCLSID,
IN PUNKNOWN UnknownOuter OPTIONAL,
IN POOL_TYPE PoolType
)
/*++
Routine Description:
Creates a new CAdapterCommon
Arguments:
Unknown -
UnknownOuter -
PoolType
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(Unknown);
STD_CREATE_BODY_
(
CAdapterCommon,
Unknown,
UnknownOuter,
PoolType,
PADAPTERCOMMON
);
} // NewAdapterCommon
//=============================================================================
CAdapterCommon::~CAdapterCommon
(
void
)
/*++
Routine Description:
Destructor for CAdapterCommon.
Arguments:
Return Value:
void
--*/
{
PAGED_CODE();
DPF_ENTER(("[CAdapterCommon::~CAdapterCommon]"));
if (m_pHW)
{
delete m_pHW;
}
CSaveData::DestroyWorkItems();
if (m_pPortWave)
{
m_pPortWave->Release();
}
if (m_pServiceGroupWave)
{
m_pServiceGroupWave->Release();
}
} // ~CAdapterCommon
//=============================================================================
STDMETHODIMP_(PDEVICE_OBJECT)
CAdapterCommon::GetDeviceObject
(
void
)
/*++
Routine Description:
Returns the deviceobject
Arguments:
Return Value:
PDEVICE_OBJECT
--*/
{
PAGED_CODE();
return m_pDeviceObject;
} // GetDeviceObject
//=============================================================================
NTSTATUS
CAdapterCommon::Init
(
IN PDEVICE_OBJECT DeviceObject
)
/*++
Routine Description:
Initialize adapter common object.
Arguments:
DeviceObject - pointer to the device object
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(DeviceObject);
NTSTATUS ntStatus = STATUS_SUCCESS;
DPF_ENTER(("[CAdapterCommon::Init]"));
m_pDeviceObject = DeviceObject;
m_PowerState = PowerDeviceD0;
// Initialize HW.
//
m_pHW = new (NonPagedPool, MSVAD_POOLTAG) CMSVADHW;
if (!m_pHW)
{
DPF(D_TERSE, ("Insufficient memory for MSVAD HW"));
ntStatus = STATUS_INSUFFICIENT_RESOURCES;
}
else
{
m_pHW->MixerReset();
}
// Initialize the work items for saving data to disk.
//
if (NT_SUCCESS(ntStatus))
{
ntStatus = CSaveData::InitializeWorkItems(DeviceObject);
}
return ntStatus;
} // Init
//=============================================================================
STDMETHODIMP_(void)
CAdapterCommon::MixerReset
(
void
)
/*++
Routine Description:
Reset mixer registers from registry.
Arguments:
Return Value:
void
--*/
{
PAGED_CODE();
if (m_pHW)
{
m_pHW->MixerReset();
}
} // MixerReset
//=============================================================================
STDMETHODIMP
CAdapterCommon::NonDelegatingQueryInterface
(
REFIID Interface,
PVOID * Object
)
/*++
Routine Description:
QueryInterface routine for AdapterCommon
Arguments:
Interface -
Object -
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(Object);
if (IsEqualGUIDAligned(Interface, IID_IUnknown))
{
*Object = PVOID(PUNKNOWN(PADAPTERCOMMON(this)));
}
else if (IsEqualGUIDAligned(Interface, IID_IAdapterCommon))
{
*Object = PVOID(PADAPTERCOMMON(this));
}
else if (IsEqualGUIDAligned(Interface, IID_IAdapterPowerManagement))
{
*Object = PVOID(PADAPTERPOWERMANAGEMENT(this));
}
else
{
*Object = NULL;
}
if (*Object)
{
PUNKNOWN(*Object)->AddRef();
return STATUS_SUCCESS;
}
return STATUS_INVALID_PARAMETER;
} // NonDelegatingQueryInterface
//=============================================================================
STDMETHODIMP_(void)
CAdapterCommon::SetWaveServiceGroup
(
IN PSERVICEGROUP ServiceGroup
)
/*++
Routine Description:
Arguments:
Return Value:
NT status code.
--*/
{
PAGED_CODE();
DPF_ENTER(("[CAdapterCommon::SetWaveServiceGroup]"));
if (m_pServiceGroupWave)
{
m_pServiceGroupWave->Release();
}
m_pServiceGroupWave = ServiceGroup;
if (m_pServiceGroupWave)
{
m_pServiceGroupWave->AddRef();
}
} // SetWaveServiceGroup
//=============================================================================
STDMETHODIMP_(PUNKNOWN *)
CAdapterCommon::WavePortDriverDest
(
void
)
/*++
Routine Description:
Returns the wave port.
Arguments:
Return Value:
PUNKNOWN : pointer to waveport
--*/
{
PAGED_CODE();
return (PUNKNOWN *)&m_pPortWave;
} // WavePortDriverDest
#pragma code_seg()
//=============================================================================
STDMETHODIMP_(BOOL)
CAdapterCommon::MixerMuteRead
(
IN ULONG Index
)
/*++
Routine Description:
Store the new value in mixer register array.
Arguments:
Index - node id
Return Value:
BOOL - mixer mute setting for this node
--*/
{
if (m_pHW)
{
return m_pHW->GetMixerMute(Index);
}
return 0;
} // MixerMuteRead
//=============================================================================
STDMETHODIMP_(void)
CAdapterCommon::MixerMuteWrite
(
IN ULONG Index,
IN BOOL Value
)
/*++
Routine Description:
Store the new value in mixer register array.
Arguments:
Index - node id
Value - new mute settings
Return Value:
NT status code.
--*/
{
if (m_pHW)
{
m_pHW->SetMixerMute(Index, Value);
}
} // MixerMuteWrite
//=============================================================================
STDMETHODIMP_(ULONG)
CAdapterCommon::MixerMuxRead()
/*++
Routine Description:
Return the mux selection
Arguments:
Index - node id
Value - new mute settings
Return Value:
NT status code.
--*/
{
if (m_pHW)
{
return m_pHW->GetMixerMux();
}
return 0;
} // MixerMuxRead
//=============================================================================
STDMETHODIMP_(void)
CAdapterCommon::MixerMuxWrite
(
IN ULONG Index
)
/*++
Routine Description:
Store the new mux selection
Arguments:
Index - node id
Value - new mute settings
Return Value:
NT status code.
--*/
{
if (m_pHW)
{
m_pHW->SetMixerMux(Index);
}
} // MixerMuxWrite
//=============================================================================
STDMETHODIMP_(LONG)
CAdapterCommon::MixerVolumeRead
(
IN ULONG Index,
IN LONG Channel
)
/*++
Routine Description:
Return the value in mixer register array.
Arguments:
Index - node id
Channel = which channel
Return Value:
Byte - mixer volume settings for this line
--*/
{
if (m_pHW)
{
return m_pHW->GetMixerVolume(Index, Channel);
}
return 0;
} // MixerVolumeRead
//=============================================================================
STDMETHODIMP_(void)
CAdapterCommon::MixerVolumeWrite
(
IN ULONG Index,
IN LONG Channel,
IN LONG Value
)
/*++
Routine Description:
Store the new value in mixer register array.
Arguments:
Index - node id
Channel - which channel
Value - new volume level
Return Value:
void
--*/
{
if (m_pHW)
{
m_pHW->SetMixerVolume(Index, Channel, Value);
}
} // MixerVolumeWrite
//=============================================================================
STDMETHODIMP_(void)
CAdapterCommon::PowerChangeState
(
IN POWER_STATE NewState
)
/*++
Routine Description:
Arguments:
NewState - The requested, new power state for the device.
Return Value:
void
--*/
{
UINT i;
DPF_ENTER(("[CAdapterCommon::PowerChangeState]"));
// is this actually a state change??
//
if (NewState.DeviceState != m_PowerState)
{
// switch on new state
//
switch (NewState.DeviceState)
{
case PowerDeviceD0:
case PowerDeviceD1:
case PowerDeviceD2:
case PowerDeviceD3:
m_PowerState = NewState.DeviceState;
DPF
(
D_VERBOSE,
("Entering D%d", ULONG(m_PowerState) - ULONG(PowerDeviceD0))
);
break;
default:
DPF(D_VERBOSE, ("Unknown Device Power State"));
break;
}
}
} // PowerStateChange
//=============================================================================
STDMETHODIMP_(NTSTATUS)
CAdapterCommon::QueryDeviceCapabilities
(
IN PDEVICE_CAPABILITIES PowerDeviceCaps
)
/*++
Routine Description:
Called at startup to get the caps for the device. This structure provides
the system with the mappings between system power state and device power
state. This typically will not need modification by the driver.
Arguments:
PowerDeviceCaps - The device's capabilities.
Return Value:
NT status code.
--*/
{
DPF_ENTER(("[CAdapterCommon::QueryDeviceCapabilities]"));
return (STATUS_SUCCESS);
} // QueryDeviceCapabilities
//=============================================================================
STDMETHODIMP_(NTSTATUS)
CAdapterCommon::QueryPowerChangeState
(
IN POWER_STATE NewStateQuery
)
/*++
Routine Description:
Query to see if the device can change to this power state
Arguments:
NewStateQuery - The requested, new power state for the device
Return Value:
NT status code.
--*/
{
DPF_ENTER(("[CAdapterCommon::QueryPowerChangeState]"));
return STATUS_SUCCESS;
} // QueryPowerChangeState