//**********************************************************************
//                                                                      
// Filename: miniport.h
//                                                                      
// Description: Handles as much of the interface between the upper 
//              NDIS layer as possible.
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
// Copyright(c) Cirrus Logic Corporation 2001, All Rights Reserved                       
//                                                                      
//**********************************************************************
#ifndef _H_MINIPORT
#define _H_MINIPORT


//
// BAUDRATE_INFO - Struct for array to maintain supported baud rates.
//
struct BAUDRATE_INFO
{
    DWORD   dwBPS;
//    DWORD   dwSpeedMask;     // NDIS_IRDA_SPEED_Xxx mask.
    DWORD   dwCommSpeedMask; // Speed mask from GetCommProperties.
    TCHAR   *lpszDbgSpeed;
    DWORD   dwExtraBOFs;
};

typedef  BAUDRATE_INFO *     PBAUDRATE_INFO;


//
// Class that handles communication between the NDIS upper edge
// and the driver.
//
class   IRMiniport : public IrdaHW
{
    public:
        IRMiniport::IRMiniport(NDIS_HANDLE hNdisAdapter): 
                    m_ReceivePacketList( hNdisAdapter),
                    m_hNdisAdapter(hNdisAdapter),
                    m_fMediaBusy(FALSE),
                    m_ulNextBaudRate(0)
        {
        }                    

        friend NDIS_STATUS MiniportInitialize
        (
            OUT PNDIS_STATUS    OpenErrorStatus,
            OUT PUINT           SelectedMediumIndex,
            IN PNDIS_MEDIUM     MediumArray,
            IN UINT             MediumArraySize,
            IN NDIS_HANDLE      MiniportAdapterHandle,
            IN NDIS_HANDLE      WrapperConfigurationContext 
        );

        friend VOID  MiniportHalt(IN NDIS_HANDLE MiniportAdapterContext );
        friend NDIS_STATUS MiniportQueryInformation
        (
            IN NDIS_HANDLE      MiniportAdapterContext,
            IN NDIS_OID         Oid,
            IN PVOID            InformationBuffer,
            IN ULONG            InformationBufferLength,
            OUT PULONG          lpcbWritten,
            OUT PULONG          lpcbNeeded
        );
        
        friend NDIS_STATUS MiniportSetInformation
        (
            IN NDIS_HANDLE  hContext,
            IN NDIS_OID     Oid,
            IN PVOID        lpvBuf,
            IN ULONG        cbBuf,
            OUT PULONG      lpcbRead,
            OUT PULONG      lpcbNeeded 
        );
        
        friend NDIS_STATUS MiniportSetInformation
        (
            IN NDIS_HANDLE  hContext,
            IN NDIS_OID     Oid,
            IN PVOID        lpvBuf,
            IN ULONG        cbBuf,
            OUT PULONG      lpcbRead,
            OUT PULONG      lpcbNeeded 
        );
        
        friend NDIS_STATUS MiniportReset
        (
            OUT PBOOLEAN    lpfAddressingReset,
            IN NDIS_HANDLE  hContext
        );
        
        friend NDIS_STATUS MiniportSend
        (
            IN NDIS_HANDLE      MiniportAdapterContext,
            IN PNDIS_PACKET     Packet,
            IN UINT             Flags 
        );
        
        friend VOID MiniportReturnPacket
        (
            IN NDIS_HANDLE  MiniportAdapterContext,
            IN PNDIS_PACKET Packet 
        );
        
        friend DWORD WINAPI SIRInterruptHandler(LPVOID Handle);

        
        NDIS_STATUS         ChangeBaudRate( ULONG ulBaudRate);
    private:
    
        //
        // Used by the interrupt handler and MiniportSend to update
        // the put the next packet to be transmitted on the stack.
        //
        // Also enables the transmitt interrupt if a packet is 
        // available.
        //
        void                GetNextSirPacket();
    
        ReceiveList         m_ReceivePacketList;
        SendList            m_SendPacketList;
        BAUDRATE_INFO *     m_pCurrBaud;
        NDIS_HANDLE         m_hNdisAdapter;
        CRITICAL_SECTION    m_ListCriticalSection;
        
        //
        // Are we currently busy.
        //
        BOOL                m_fMediaBusy;
        
        //
        // Get the next baud rate.
        //
        ULONG               m_ulNextBaudRate;

};        




#endif // _H_MINIPORT