dual_ddc.c

realtek LCD monitor, TV开发源代码

//**********************************************************************************************************
//  The  Software  is  proprietary,  confidential,  and  valuable to Realtek Semiconductor
//  Corporation  ("Realtek").  All  rights, including but not limited  to  copyrights,
//  patents,  trademarks, trade secrets, mask work rights, and other similar rights and interests,
//  are reserved to Realtek. Without  prior  written  consent  from  Realtek,  copying, reproduction,
//  modification,  distribution,  or  otherwise  is strictly prohibited. The Software  shall  be
//  kept  strictly  in  confidence,  and  shall  not be  disclosed to or otherwise accessed by
//  any third party. @ <2003> - <2008>   The Software is provided "AS IS" without any warranty of any kind,
//  express, implied, statutory or otherwise.
//**********************************************************************************************************

#define __DUAL_DDC__
#include "Common\Header\Include.h"

//#if(_OSD_TYPE == _DUAL_OSD)


#if(_DDCCI_SUPPORT==_ON)

#if(_OSD_TYPE == _BENQ_OSD)

BYTE code CapabilitiesVgaDataBenq[]=
"(prot(monitor)type(LCD)model(G2410HD)cmds(01 02 03 07 0C E3 F3)vcp(02 04 05 06 08 0B 0C 0E 10 12 14(01 04 05 08 0B) 16 18 1A 1E 1F 20 30 3E 52 60(01 03) 6C 6E 70 AC AE B2 B6 C0 C6 C8 C9 CA CC(01 02 03 04 05 06 08 09 0A 0B 0D 12 14 1A 1E 1F 20) D6(01 05) DF)mswhql(1)asset_eep(40)mccs_ver(2.0))";
BYTE code CapabilitiesDviDataBenq[]=
"(prot(monitor)type(LCD)model(G2410HD)cmds(01 02 03 07 0C E3 F3)vcp(02 04 05 08 0B 0C 10 12 14(01 04 05 08 0B) 16 18 1A 52 60(01 03 04) 6C 6E 70 AC AE B2 B6 C0 C6 C8 C9 CA CC(01 02 03 04 05 06 08 09 0A 0B 0D 12 14 1A 1E 1F 20) D6(01 05) DF)mswhql(1)asset_eep(40)mccs_ver(2.0))";

#else

BYTE code CapabilitiesVgaDataGeneric[]=
"(prot(monitor)type(LCD)model(W2408)cmds(01 02 03 07 0C E3 F3)vcp(02 04 05 06 08 0E 10 12 14(05 06 08 0B) 16 18 1A 1E 1F 20 30 3E 52 60(01 03) 6C 6E 70 AC AE B2 B6 C0 C6 C8 C9 CA CC(01 02 03 04 05 06 09 0A) D6(01 05) DF)mswhql(1)asset_eep(40)mccs_ver(2.0))";
BYTE code CapabilitiesDviDataGeneric[]=
"(prot(monitor)type(LCD)model(W2408)cmds(01 02 03 07 0C E3 F3)vcp(02 04 05 08 10 12 14(05 06 08 0B) 16 18 1A 52 60(01 03 04) 6C 6E 70 AC AE B2 B6 C0 C6 C8 C9 CA CC(01 02 03 04 05 06 09 0A) D6(01 05) DF)mswhql(1)asset_eep(40)mccs_ver(2.0))";

#endif

BYTE xdata ActiveControlCode;
BYTE xdata ucNewControlValue;

#endif

#define DDCCI(COM,VCP)       ((WORD)COM<<8|VCP)

#define _COMMAND_GET_VCP      0x01 //PC to Monitor and Monitor to PC
#define _COMMAND_SET_VCP      0x03 //PC to Monitor Only
#define _COMMAND_SAVE_SETTING 0x0C //PC to Monitor Only (Save to EEPROM)
#define _COMMAND_CAPABILITY   0xF3 //PC to Monitor and Monitor to PC (Capability String)
#define _COMMAND_GET_TIMING   0x07 //PC to Monitor and Monitor to PC (Timing Report)


#define _VCP_NEW_CONTROL_VALUE       0x02
#define _VCP_FACTORY_RESET           0x04//
#define _VCP_RESET_CONTRAST_BRIGHT   0x05//
#define _VCP_RESET_GEOMETRY          0x06
#define _VCP_RESET_COLOR             0x08//
#define _VCP_COLOR_TEMP_INC          0x0B
#define _VCP_COLOR_TEMP_REQ          0x0C
#define _VCP_CLOCK                   0x0E//
#define _VCP_BRIGHT                  0x10//
#define _VCP_CONTRAST                0x12//
#define _VCP_COLOR_TEMP              0x14//
#define _VCP_R_GAIN                  0x16//
#define _VCP_G_GAIN                  0x18//
#define _VCP_B_GAIN                  0x1A
#define _VCP_AUTO                    0x1E//
#define _VCP_AUTO_COLOR              0x1F//
#define _VCP_H_POS                   0x20//
#define _VCP_V_POS                   0x30
#define _VCP_PHASE                   0x3E//
#define _VCP_ACTIVE_CONTROL          0x52
#define _VCP_INPUT_SOURCE            0x60
#define _VCP_BLACK_LEVEL_RED         0x6C
#define _VCP_BLACK_LEVEL_GRN         0x6E
#define _VCP_BLACK_LEVEL_BLU         0x70
#define _VCP_PIVOT                   0xAA
#define _VCP_V_FREQUENCY             0xAE
#define _VCP_H_FREQUENCY             0xAC
//#define _VCP_STORE_RESTORE_SETTINGS  0xB0
#define _VCP_LCD_PATTERN             0xB2
#define _VCP_DISP_TECH_TYPE          0xB6
#define _VCP_DISPLAY_USAGE_TIME      0xC0//
#define _VCP_OSD_ENABLE_DISABLE      0xCA//
#define _VCP_CONTROLLER_TYPE         0xC8//
#define _VCP_DISPLAY_FIRMWARE_LEVEL  0xC9//
#define _VCP_LANGUAGE                0xCC
#define _VCP_POWER_MODE              0xD6//
#define _VCP_APPLICATION_ENABLE_KEY  0xC6
#define _VCP_VERSION                 0xDF
#define _BENQ_GET_TIMING             0xF0

#define W_DEST_ADDR                  0x6E
#define R_DEST_ADDR                  0x50
#define CAPABILITYFRAGMENT_LEN         10
//====================================================================================//
#if(_DDCCI_SUPPORT==_ON)
void CDdcciCommandActive(void)
{
    BYTE status=0;

    ActiveControlCode=RamI2cCommandData[1];
    if(RamI2cCommandData[0]==_COMMAND_CAPABILITY)
    {
        WORD length,offset;
        BYTE i,CapaSTRlen;
        offset=(((WORD)RamI2cCommandData[1]<<8)|RamI2cCommandData[2]);
        if((GET_INPUTSOURCE_TYPE()== _SOURCE_VGA))
        {//length : 临逞