//==========================================================================;
//
//  WDMXBar.H
//  WDM Analog/Video CrossBar MiniDriver. 
//      CWDMAVXBar Class definition.
//  Copyright (c) 1996 - 1997  ATI Technologies Inc.  All Rights Reserved.
//
//==========================================================================;

#ifndef _WDMXBAR_H_
#define _WDMXBAR_H_

#include "i2script.h"
#include "aticonfg.h"


#define KSPROPERTIES_AVXBAR_NUMBER_SET          1       // CrossBar with no TVAudio
#define KSPROPERTIES_AVXBAR_NUMBER_CROSSBAR     ( KSPROPERTY_CROSSBAR_ROUTE + 1)


typedef struct
{
    UINT                        AudioVideoPinType;
   ULONG                       nRelatedPinNumber;       // for all pins
    ULONG                      nConnectedToPin;        // for output pins only
    PKSPIN_MEDIUM           pMedium;                      // describes hardware connectivity

} XBAR_PIN_INFORMATION, * PXBAR_PIN_INFORMATION;


class CWDMAVXBar
{
public:
    CWDMAVXBar          ( PPORT_CONFIGURATION_INFORMATION pConfigInfo, CI2CScript * pCScript, PUINT puiError);
    ~CWDMAVXBar         ();
    PVOID operator new  ( size_t size_t, PVOID pAllocation);

// Attributes   
private:
    // WDM global topology headers
    GUID                        m_wdmAVXBarTopologyCategory;
    KSTOPOLOGY                  m_wdmAVXBarTopology;
    // WDM global property headers
    KSPROPERTY_ITEM             m_wdmAVXBarPropertiesCrossBar[KSPROPERTIES_AVXBAR_NUMBER_CROSSBAR];
    KSPROPERTY_SET              m_wdmAVXBarPropertySet[KSPROPERTIES_AVXBAR_NUMBER_SET];

    // WDM global stream headers
    HW_STREAM_HEADER            m_wdmAVXBarStreamHeader;

    // configuration properties
    CATIHwConfiguration         m_CATIConfiguration;
    ULONG                       m_nNumberOfVideoInputs;
    ULONG                       m_nNumberOfVideoOutputs;
    ULONG                       m_nNumberOfAudioInputs;
    ULONG                       m_nNumberOfAudioOutputs;

    // power management configuration
    DEVICE_POWER_STATE          m_ulPowerState;

    // pins information
    PKSPIN_MEDIUM               m_pXBarPinsMediumInfo;
    PBOOL                       m_pXBarPinsDirectionInfo;
    PXBAR_PIN_INFORMATION       m_pXBarInputPinsInfo;
    PXBAR_PIN_INFORMATION       m_pXBarOutputPinsInfo;

    // I2C provider properties
    CI2CScript *                m_pI2CScript;

// Implementation
public:
    BOOL        AdapterUnInitialize             ( PHW_STREAM_REQUEST_BLOCK pSrb);
    BOOL        AdapterGetStreamInfo            ( PHW_STREAM_REQUEST_BLOCK pSrb);
    BOOL        AdapterQueryUnload              ( PHW_STREAM_REQUEST_BLOCK pSrb);
    BOOL        AdapterGetProperty              ( PHW_STREAM_REQUEST_BLOCK pSrb);
    BOOL        AdapterSetProperty              ( PHW_STREAM_REQUEST_BLOCK pSrb);
    NTSTATUS    AdapterCompleteInitialization   ( PHW_STREAM_REQUEST_BLOCK pSrb);
    NTSTATUS    AdapterSetPowerState            ( PHW_STREAM_REQUEST_BLOCK pSrb);
    
    // the functions for asynchronous operations completion
    void        UpdateAudioConnectionAfterChange( void);

private:
    void        SetWDMAVXBarKSProperties        ( void);
    void        SetWDMAVXBarKSTopology          ( void);
};


#endif  // _WDMXBAR_H_