root/src/add-ons/kernel/drivers/audio/echo/generic/CLayla24DspCommObject.h
// ****************************************************************************
//
//              CLayla24DspCommObject.H
//
//              Include file for EchoGals generic driver Layla24 DSP interface class.
//
// ----------------------------------------------------------------------------
//
// This file is part of Echo Digital Audio's generic driver library.
// Copyright Echo Digital Audio Corporation (c) 1998 - 2005
// All rights reserved
// www.echoaudio.com
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// ****************************************************************************

#ifndef _LAYLA24DSPCOMMOBJECT_
#define _LAYLA24DSPCOMMOBJECT_

#include "CGMLDspCommObject.h"

class CLayla24DspCommObject : public CGMLDspCommObject
{
protected:

        DWORD   m_dwSampleRate;

public:
        //
        //      Construction/destruction
        //
        CLayla24DspCommObject( PDWORD pdwRegBase, PCOsSupport pOsSupport );
        virtual ~CLayla24DspCommObject();

        //
        //      Set the DSP sample rate.
        //      Return rate that was set, -1 if error
        //
        virtual DWORD SetSampleRate( DWORD dwNewSampleRate );
        //
        //      Send current setting to DSP & return what it is
        //
        virtual DWORD SetSampleRate()
                { return( SetSampleRate( GetSampleRate() ) ); }

        //
        // Get the current sample rate
        //
        virtual DWORD GetSampleRate()
        {
                return m_dwSampleRate;
        }
                
        //
        //      Set digital mode
        //
        virtual ECHOSTATUS SetDigitalMode
        (
                BYTE    byNewMode
        );
        
        //
        //      Card information
        //
        virtual WORD GetCardType()
                { return( LAYLA24 ); }


protected:

        virtual BOOL LoadASIC();
        using CGMLDspCommObject::LoadASIC;

        //
        //      Switch the external ASIC if not already loaded.
        //      Mute monitors during this operation
        //
        BOOL SwitchAsic
        (
                BYTE *  pbyAsicNeeded,
                DWORD           dwAsicSize
        );

        //
        //      Set input clock
        //
        virtual ECHOSTATUS SetInputClock(WORD wClock);

        BYTE *  m_pbyAsic;                                      // Current ASIC code

};              // class CLayla24DspCommObject

typedef CLayla24DspCommObject * PCLayla24DspCommObject;

#endif

// **** Layla2424DspCommObject.h ****