osdfont1.c

车载电子影音系统dvd播放系统原程序代码

    /*
    //Low DW Half
    //else
    {
        //////if (_bPosiIndex>4)
        if (_bPosiIndex&0xfc)
            _bPosiIndex-=4;//5->1, 6->2, 7->3, 8->4
        else
            _bPosiIndex = 0;
    }    
    */

    switch  (_bPosiIndex)
    {
        //the line hasn't been coded. so fill four bytes of zeros 
        //case 0: //0 byte wide (0 pixels) for Low DW use only
        case 4:
        case 3:
        case 2:
        case 1:
            //if ((_wOSDTemp1%4)==0) // Chuan 172r 2002/03/29: write two zero /////if(!(_wOSDTemp1&0x3))
            if ( !(_wOSDTemp1&0x3) ) 
            {
#if  IO == IO_PCI
                W99AV_OutCacheData(0x00);
                W99AV_OutCacheData(0x00);
                W99AV_OutCacheData(0x00);
                W99AV_OutCacheData(0x00);
#else
                OUTB(CDPR, 0x0);
                OUTB(CDPR, 0x0);
                OUTB(CDPR, 0x0); 
                OUTB(CDPR, 0x0);        
#endif                
                _wOSDTemp1+=4; //0x00, 0x00, 0x00, 0x00
            }
            //else
            //{
                //do nothing
                //_wOSDTemp1=_wOSDTemp1; 
            //}                                
            break;                
        
        //case 1: //1 byte wide (4 pixels)
        case 5:
            //if ((_wOSDTemp1%4)==0) // Chuan 172r 2002/03/29: write two zero /////if(!(_wOSDTemp1&0x3))
            if ( !(_wOSDTemp1&0x3) ) 
            {
#if  IO == IO_PCI
                W99AV_OutCacheData(0x00);
                W99AV_OutCacheData(0x00);
                W99AV_OutCacheData(0x00);
#else
                OUTB(CDPR, 0x0);
                OUTB(CDPR, 0x0);
                OUTB(CDPR, 0x0);        
#endif                
                _wOSDTemp1+=4; //0x00, 0x00, 0x00, _bIdex
            }
            else
            {
                _wOSDTemp1++; //_bIdex
            }                                
#if  IO == IO_PCI
            W99AV_OutCacheData(_bIdex);
#else
            OUTB(CDPR, _bIdex);        
#endif                                      
            break;        
        
        //case 2: //2 bytes wide (8 pixels)
        case 6:
            //if ((_wOSDTemp1%4)==0) // Chuan 172r 2002/03/29: write two zero /////if(!(_wOSDTemp1&0x3))
            if ( !(_wOSDTemp1&0x3) ) 
            {
#if  IO == IO_PCI
                W99AV_OutCacheData(0x00);
                W99AV_OutCacheData(0x00);
#else
                OUTB(CDPR, 0x0);
                OUTB(CDPR, 0x0);        
#endif                
                _wOSDTemp1+=3; //0x00, 0x00, _bIdex
            }
            else
            {
                _wOSDTemp1++; //_bIdex
            }                                
#if  IO == IO_PCI
            W99AV_OutCacheData(_bIdex);
#else
            OUTB(CDPR, _bIdex);        
#endif                                         
            break;
            
        //case 3: //3 bytes wide (12 pixels)
        case 7:
            //if ((_wOSDTemp1%4)==0) // Chuan 172r 2002/03/29: write two zero /////if(!(_wOSDTemp1&0x3))
            if ( !(_wOSDTemp1&0x3) ) 
            {
#if  IO == IO_PCI
                W99AV_OutCacheData(0x00);
#else
                OUTB(CDPR, 0x0);
#endif                
                _wOSDTemp1+=2; //0x00, _bIdex
            }
            else
            {
                _wOSDTemp1++;            
            }                
#if  IO == IO_PCI
            W99AV_OutCacheData(_bIdex);
#else
            OUTB(CDPR, _bIdex);        
#endif                      
            break;
            
        //case 4: //4 bytes wide (16 pixels)
        case 8:
            _wOSDTemp1+=1; //_bIdex
#if  IO == IO_PCI
            W99AV_OutCacheData(_bIdex);
#else
            OUTB(CDPR, _bIdex);        
#endif             
            break;            
            
        default:
            //add protection here
            break;
    }
/*    
if (_bPosiIndex!=0)
{    
#if  IO == IO_PCI
        W99AV_OutCacheData(_bIdex);
#else
        OUTB(CDPR, _bIdex);        
#endif               
}
*/
#if 0
    *(_bIndexArray+(BYTE)(_wOSDTemp1%_bPosiIndex)) = _bIdex;
    //_dwFontData = (_dwFontData<<8) | _bIdex;
    _wOSDTemp1++;
    if ((_wOSDTemp1%_bPosiIndex)==0)
    {
        //_dwFontData = _dwFontData << ((4-_bPosiIndex)<<3);
        //_bIndexArray = (BYTE DATA*)&_dwFontData ;
#if  IO == IO_PCI
        _outp(CDPR_BYTE, *_bIndexArray);
        _outp(CDPR_BYTE, *(_bIndexArray+1));
        _outp(CDPR_BYTE, *(_bIndexArray+2));
        _outp(CDPR_BYTE, *(_bIndexArray+3));        
#else
        OUTB(CDPR, *(_bIndexArray+3));
        OUTB(CDPR, *(_bIndexArray+2));
        OUTB(CDPR, *(_bIndexArray+1));
        OUTB(CDPR, *_bIndexArray);        
#endif                
        _wOSDTemp1+=(4-_bPosiIndex);
    }
#endif
    //if (!(_wOSDTemp1%256)||(_wOSDTemp1==_wOSDTemp))
    if (!(_wOSDTemp1&0xff)||(_wOSDTemp1==_wOSDTemp))
    {
        return TRUE;
    }
/////#endif  // #ifdef COMPRESSION_OSD_FONT
#endif  // #ifndef  NO_OSD
    return FALSE;
}  

#endif  // #ifdef SUPPORT_GZIP_COMPRESSION


// Brian1.25, always call this function to load font table
// ************************************************************************
//  Function    :   OSD_LoadFontTable
//  Description :       load font table
//  Arguments   :       none
//  Return      :       none
//  Side Effect :
// ************************************************************************
void OSD_LoadFontTable(void)
{
#ifdef SUPPORT_GZIP_COMPRESSION

    // Brian2.35
#ifdef PROTECT_FONT_TABLE
    // Unprotect font table
    W99AV_WriteRegDW( UCPR2, 0x0000, 0x0000);
#endif

	//Kevin2.37, modify
    //OSD_LoadFontTableGzip();
	UCODE_Unzip(FONTTABLE); 


    // Brian2.35
#ifdef PROTECT_FONT_TABLE
    // Protect font table
    // Brian2.36, fix address range
    __dwTemp = 0x01000000 | ((DWORD)((OSD_DRAM_FONT_TABLE_START_0+((DWORD)FONT_NUMBER<<8))>>8) <<12) | (OSD_DRAM_FONT_TABLE_START_0>>8);
    W99AV_WriteRegDW( UCPR2, LOWORD(__dwTemp), HIWORD(__dwTemp));
#endif

#else
    OSD_LoadFontTableHDW();
    OSD_LoadFontTableLDW();
#endif
    
#ifdef SUPPORT_FONT_TABLE_CHECKSUM
    // support RISC Check Sum Function from 20031208 IRAM Code.
    __wFontableChecksum = OSD_FontableChecksum();
    printf("Fontable checksum=%x\n", __wFontableChecksum);

#endif

}

#ifdef SUPPORT_UNICODE
// Alan2.36, always call this function to load loal font table
// ************************************************************************
//  Function    :   OSD_LoadLocalFontTable
//  Description :       load local font table
//  Arguments   :       none
//  Return      :       none
//  Side Effect :
// ************************************************************************
void OSD_LoadLocalFontTable(void)
{
#ifdef SUPPORT_GZIP_COMPRESSION
	//Kevin2.37, modify
	
	extern  WORD    _wOSDTemp1;
	_wOSDTemp1 = (OSD_DRAM_FONT_TABLE_START_1 - OSD_DRAM_FONT_TABLE_START_0) << 1;

	//0
    //HAL_Reset (HAL_RESET_AUDIO); //Reset audio and Issue DSP NPF command
	UCODE_Unzip(LOCALFONTTABLE0);
    __dwW99AV_SrcDRAM = OSD_DRAM_FONT_TABLE_START_0;
    __dwW99AV_DestDRAM = FONTABLE_ADDR;
    W99AV_DRAMCopy(_wOSDTemp1);


	//1
    //HAL_Reset (HAL_RESET_AUDIO); //Reset audio and Issue DSP NPF command
	UCODE_Unzip(LOCALFONTTABLE1);
    __dwW99AV_SrcDRAM = OSD_DRAM_FONT_TABLE_START_0;
    __dwW99AV_DestDRAM += _wOSDTemp1;
    W99AV_DRAMCopy(_wOSDTemp1);


	/*
	//2
    HAL_Reset (HAL_RESET_AUDIO); //Reset audio and Issue DSP NPF command
	UCODE_Unzip(LOCALFONTTABLE2);
    __dwW99AV_SrcDRAM = OSD_DRAM_FONT_TABLE_START_0;
    __dwW99AV_DestDRAM += _wOSDTemp1;
    W99AV_DRAMCopy(_wOSDTemp1);
	*/
#endif
}
#endif

// Brian1.25, always call this function to load font table
// ************************************************************************
//  Function    :   OSD_FontableChecksum
//  Description :       do fontable checksum
//  Arguments   :       none
//  Return      :       checksum value
//  Side Effect :
// ************************************************************************
#ifdef SUPPORT_FONT_TABLE_CHECKSUM
WORD OSD_FontableChecksum(void)
{
    // support RISC Check Sum Function from 20031208 IRAM Code.
    // Fontable size  = 128K bytes ==> 131072/2352 ==> 55.7 sector
    __dwW99AVCmdArg[0]=4;
    __dwW99AVCmdArg[1]=CMDARG_CHECKSUM;
    __dwW99AVCmdArg[2]=OSD_DRAM_FONT_TABLE_START_0;   // Starting address
    __dwW99AVCmdArg[3]=55;      // number of sectors
    __dwW99AVCmdArg[4]=0;       // checksum value
    W99AV_CommandN(COMMAND_CHECKSUM);
    W99AV_OutIndex (0x10000003) ;       // Read 3th of cmd ram.

    _wOSDTemp = (WORD)W99AV_InData();
    return _wOSDTemp;
}
#endif

#ifdef SUPPORT_CHECK_FONT_TABLE
// Brian20041020, by Alan
WORD OSD_FontableChecksum1(void)
{
    // support RISC Check Sum Function from 20031208 IRAM Code.
    // Fontable size  = 128K bytes ==> 131072/2352 ==> 55.7 sector
    __dwW99AVCmdArg[0]=4;
    __dwW99AVCmdArg[1]=CMDARG_CHECKSUM;
    __dwW99AVCmdArg[2]=(DWORD)OSD_DRAM_FONT_TABLE_START_0-1;
    __dwW99AVCmdArg[3]=(DWORD)FONT_NUMBER*1024/2352;    //38;      // number of sectors (176 * 256 * 2 / 2352)
    __dwW99AVCmdArg[4]=0;       // checksum value
    W99AV_CommandN(COMMAND_CHECKSUM);
    W99AV_OutIndex (0x10000003) ;       // Read 3th of cmd ram.

    _wOSDTemp = (WORD)W99AV_InData();
    return _wOSDTemp;
}
#endif