gxvideo.h

WinCE 3.0 BSP, 包含Inter SA1110, Intel_815E, Advantech_PCM9574 等

/*
 * $Workfile: GXVIDEO.H $
 * $Revision: 6 $
 * $Date: 4/07/00 8:50a $
 * $Modtime: 4/07/00 8:37a $
 * $Author: Sarma $
 *
 * Copyright (c) 1998 National Semiconductor Corporation.
 * All Rights Reserved.
 *
 * This software is the confidential and proprietary information of National 
 * Semiconductor Corporation. ("Confidential Information").
 * You shall not disclose such Confidential Information and shall use it only
 * in accordance with the terms of the license agreement you entered into
 * with National Semiconductor Corporation.
 * This code is supplied as is.
 *
 */

/*
 *$Log: /CE/Platform/Nsc/Drivers/Video/gxvideo/base/GXVIDEO.H $
 * 
 * 6     4/07/00 8:50a Sarma
 * Removed Cyrix Corporation from the legal/confidentail information.
 * 
 * 5     3/29/00 9:29a Sarma
 * Added special READ/WRITE macros to be used by Directdraw functions. Two
 * new Alloc functions added for directdraw , AllocSurface and
 * AllocOverlaySurface. The new Gxvideo constructor is also for the
 * directdraw interface.
 * 
 * 4     10/14/99 2:57p Sarma
 * Moved the defines from config to be shared by flash.cpp.
 * Added interfaces from flash.cpp.
 * 
 * 3     7/20/99 2:21p Sarma
 * Added Power Handler function in Misc.cpp and supporting functions for
 * power management
 * 
 * 2     11/12/98 3:29p Sarma
 * Added Confidential copyright to files with VSS keywords for
 * log/history.
 * Added functions support for ScreenPower, GetBltSolidColor,
 * AcceleratedBitmapScreenLookupBlt, AcceleratedPatternLookupFill,
 * AcceleratedWxHPatternFill.
 *$History: GXVIDEO.H $
 * 
 * *****************  Version 6  *****************
 * User: Sarma        Date: 4/07/00    Time: 8:50a
 * Updated in $/CE/Platform/Nsc/Drivers/Video/gxvideo/base
 * Removed Cyrix Corporation from the legal/confidentail information.
 * 
 * *****************  Version 5  *****************
 * User: Sarma        Date: 3/29/00    Time: 9:29a
 * Updated in $/CE/Platform/Nsc/Drivers/Video/gxvideo/base
 * Added special READ/WRITE macros to be used by Directdraw functions. Two
 * new Alloc functions added for directdraw , AllocSurface and
 * AllocOverlaySurface. The new Gxvideo constructor is also for the
 * directdraw interface.
 * 
 * *****************  Version 4  *****************
 * User: Sarma        Date: 10/14/99   Time: 2:57p
 * Updated in $/wince/v2.1/gxvideo
 * Moved the defines from config to be shared by flash.cpp.
 * Added interfaces from flash.cpp.
 * 
 * *****************  Version 3  *****************
 * User: Sarma        Date: 7/20/99    Time: 2:21p
 * Updated in $/wince/v2.1/gxvideo
 * Added Power Handler function in Misc.cpp and supporting functions for
 * power management
 * 
 * *****************  Version 2  *****************
 * User: Sarma        Date: 11/12/98   Time: 3:29p
 * Updated in $/wince/v2.1/gxvideo
 * Added Confidential copyright to files with VSS keywords for
 * log/history.
 * Added functions support for ScreenPower, GetBltSolidColor,
 * AcceleratedBitmapScreenLookupBlt, AcceleratedPatternLookupFill,
 * AcceleratedWxHPatternFill.
*/

#ifndef __GXVIDEO_H__
#define __GXVIDEO_H__

#include "gpevga.h"
#include "cy_regs.h"
#include "gxdefs.h"
#include "cx5530.h"

#define COMPRESSION_ENABLE 0
#define SUPPORT_DDC 1

#define CX5510  0x2000      // 5510 core logic
#define CX5520  0x0080      // 5520 core logic
#define CX5530  0x4000      // 5530 core logic
#define DHRUVA  0x8000      // DHRUVA/MediaPC System on a chip

//
// MACROS
//
#define WAIT_BLIT(base) while ((*((volatile unsigned long *) (base+GP_BLIT_STATUS))) & \
                            (BS_PIPELINE_BUSY | BS_BLIT_BUSY | BS_BLIT_PENDING));
#define WAIT_PIPELINE(base) while ((*((volatile unsigned long *) (base+GP_BLIT_STATUS))) &\
                            BS_PIPELINE_BUSY);
#define WAIT_BUSY(base) while ((*((volatile unsigned long *) (base+GP_BLIT_STATUS))) & \
                            BS_BLIT_BUSY)
#define WAIT_PENDING(base) while ((*((volatile unsigned long *) (base+GP_BLIT_STATUS))) & \
                            BS_BLIT_PENDING)
#define READ_REG8(base, offset)  *((volatile unsigned char *) ((base)+(offset)))
#define READ_REG16(base, offset)  *((volatile unsigned short *) ((base)+(offset)))
#define READ_REG32(base, offset)  *((volatile unsigned long *) ((base)+(offset)))
#define WRITE_REG8(base, offset, value) *((volatile unsigned char *) ((base)+(offset))) = \
                            (unsigned char)(value);
#define WRITE_REG16(base, offset, value) *((volatile unsigned short *) ((base)+(offset))) = \
                            (unsigned short)(value);
#define WRITE_REG32(base, offset, value) *((volatile unsigned long *) ((base)+(offset))) = \
                            (unsigned long)(value);

#ifdef DD_SUPPORT
#define MEM_READ_8(base, offset)  *((volatile unsigned char *) ((base)+(offset)))
#define MEM_READ_16(base, offset)  *((volatile unsigned short *) ((base)+(offset)))
#define MEM_READ_32(base, offset)  *((volatile unsigned long *) ((base)+(offset)))
#define MEM_WRITE_8(base, offset, value) *((volatile unsigned char *) ((base)+(offset))) = \
                            (unsigned char)(value);
#define MEM_WRITE_16(base, offset, value) *((volatile unsigned short *) ((base)+(offset))) = \
                            (unsigned short)(value);
#define MEM_WRITE_32(base, offset, value) *((volatile unsigned long *) ((base)+(offset))) = \
                            (unsigned long)(value);
#endif //DD_SUPPORT

class GxVideoSurf;

class GxVideo  : public GPEVGA
{
private:
#if DDHAL
public:     // temporarily moved - will fix later
#endif
    // Ports and memory ranges  used to access registers
    // Port         m_IOPort[numPortIDs];   // Device specific ports used by GxVideo
    SubIndexedRegArray16 reg_BEE8;          // Indexed accelerator registers

    unsigned char   *m_pMMIO;               // Memory Mapped IO range
    unsigned char   *m_pLAW;                // Linear access window
    int             m_nVideoMemorySize;     // Size in bytes of video RAM total
    Node2D          *m_p2DVideoMemory;      // Base entry representing all video memory
    int             m_nScreenStride;        // Stride of 2d memory in bytes
    unsigned int    m_nTicksAtFlip;         // TickCount at time flip was requested
    unsigned int    m_nTicksAtResync;       // TickCount when we last waited for VBlank
    GxVideoSurf     *m_pOldVisibleSurface;  // Visible surface before flip
    GxVideoSurf     *m_pNewVisibleSurface;  // Visible surface after flip
    unsigned long   m_nLAWPhysical;

    unsigned long   gcfg, tcfg, ocfg, dcfg30;
    void            delay_milliseconds();
    unsigned char   ProcessorID;            //Processor ID of Gx.
    unsigned long   DeviceId;               //Device ID of Cx
    unsigned short  BB0_Base_Address;       //Base Address for BB0
    unsigned short  BB1_Base_Address;       //Base Address for BB1
    unsigned short  BB0_Size_Bytes;         //Blit Buffer Width in bytes
    unsigned long   BB0_Size_Pixels;        //Blit Buffer Width in pixels
    unsigned long   Display_BPP;            //BPP of current display mode
    int             CurrentMode;            //Current display mode, -1 if not inited
    int             m_resolution;           // 640x480 or 1024x768, etc.


public:
    // Config.cpp:
                    GxVideo();
    virtual SCODE   SetMode( int modeNo, HPALETTE *pPalette );


    //power management (VESA DPMS)
    void            ScreenPower( int mode );

    // Cursor.cpp:
    virtual SCODE   SetPointerShape(
                        GPESurf *pMask,
                        GPESurf *pColorSurf,
                        int xHot,
                        int yHot,
                        int cx,
                        int cy );
    virtual SCODE   MovePointer(
                        int x,
                        int y );
    void            SetCursorColors(
                        unsigned long color );
                        //unsigned long foreground,     // 0x00bbggrr format