/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: Minimalistic frame buffer driver

*

*/

#ifndef _SYBORG_FB_H

#define _SYBORG_FB_H

#include <videodriver.h>

#include <nkern.h>

#include <kernel.h>

#include <kpower.h>

#include <system.h>

_LIT(KLitLcd,"SYBORG_FB");

const TBool KConfigIsMono              = 0;

const TBool KConfigIsPalettized        = 0;

const TInt  KConfigOffsetToFirstPixel  = 0;

const TBool KConfigPixelOrderRGB       = 0;

const TBool KConfigPixelOrderLandscape = 1;

const TInt  KConfigLcdDisplayMode       = 2;

const TInt  KConfigLcdNumberOfDisplayModes = 3;

const TInt  KConfigBitsPerPixel        = 24;

class DLcdPowerHandler : public DPowerHandler

{

public: // from DPowerHandler

  void PowerDown(TPowerState);

  void PowerUp();

public:	// to prevent a race condition with WServer trying to power up/down at the same time

  void PowerUpDfc();

  void PowerDownDfc();

public:

  DLcdPowerHandler();

  TInt Create();

  void DisplayOn();

  void DisplayOff();

  TInt HalFunction(TInt aFunction, TAny* a1, TAny* a2);

  void PowerUpLcd(TBool aSecure);

  void PowerDownLcd();

  void ScreenInfo(TScreenInfoV01& aInfo);

  void WsSwitchOnScreen();

  void WsSwitchOffScreen();

  void HandleMsg(TMessageBase* aMsg);

  void SwitchDisplay(TBool aSecure);

private:

  TInt GetCurrentDisplayModeInfo(TVideoInfoV01& aInfo, TBool aSecure);

  TInt GetSpecifiedDisplayModeInfo(TInt aMode, TVideoInfoV01& aInfo);

  TInt SetDisplayMode(TInt aMode);

  TInt AllocateFrameBuffer();

  TBool iDisplayOn;

  DPlatChunkHw* iChunk;

  DPlatChunkHw* iSecureChunk;

  TBool iWsSwitchOnScreen;

  TBool iSecureDisplay;

public:

  TDfcQue* iDfcQ;

  TMessageQue iMsgQ;					// to prevent a race condition with Power Manager trying to power up/down at the same time

  TDfc iPowerUpDfc;

  TDfc iPowerDownDfc;

private:

  TVideoInfoV01 iVideoInfo;

  TVideoInfoV01 iSecureVideoInfo;

  NFastMutex iLock;

  TPhysAddr ivRamPhys;

  TPhysAddr iSecurevRamPhys;

public:

  TLinAddr iPortAddr;

enum {

    FB_ID               = 0,

    FB_BASE             = 1,

    FB_HEIGHT           = 2,

    FB_WIDTH            = 3,

    FB_ORIENTATION      = 4,

    FB_BLANK            = 5,

    FB_INT_MASK         = 6,

    /* begin new interface */

    FB_INTERRUPT_CAUSE  = 7,

    FB_BPP              = 8,

    FB_COLOR_ORDER      = 9,

    FB_BYTE_ORDER       = 10,

    FB_PIXEL_ORDER      = 11,

    FB_ROW_PITCH        = 12,

    FB_ENABLED          = 13,

    FB_PALETTE_START    = 0x400 >> 2,

    FB_PALETTE_END   = FB_PALETTE_START+256-1,

    /* end new interface */

};

#define FB_INT_VSYNC            (1U << 0)

#define FB_INT_BASE_UPDATE_DONE (1U << 1)

};

#endif