Mode_Detect.~c
上传用户:xmyjxjd
上传日期:2013-05-04
资源大小:1517k
文件大小:90k
- #define __MODEDETECT__
- #include "HeaderLcd_func.h"
- #include "HeaderLcd_Main.h"
- #include "HeaderAccess.h"
- #include "Headerconfig.h"
- #include "HeaderOSD.h"
- #include "HeaderLcd_Auto.h"
- #include "HeaderFrame_Sync.h"
- #include "HeaderSrc_Ctrl.h"
- #include "HeaderLCD_OSD.h"
- /////////////////////////////////////////////////////////
- //------------------- Mode Detector -----------------//
- /////////////////////////////////////////////////////////
- void Mode_Detector(void)
- {
- switch (stGUD1.INPUT_SOURCE & 0x07)
- {
- case SOURCE_VGA :
- // Save previous values of ucMode_Curr, bHpole_Curr and bVpole_Curr
- bHpole_Prev = bHpole_Curr;
- bVpole_Prev = bVpole_Curr;
-
- if ((MODE_NOSIGNAL == ucMode_Curr) || (MODE_NOSUPPORT == ucMode_Curr))
- Detect_VGA_Mode();
- else
- Check_VGA_Mode();
- break;
- case SOURCE_DVI :
- // Save previous values of ucMode_Curr, bHpole_Curr and bVpole_Curr
- bHpole_Prev = bHpole_Curr;
- bVpole_Prev = bVpole_Curr;
-
- if ((MODE_NOSIGNAL == ucMode_Curr) || (MODE_NOSUPPORT == ucMode_Curr))
- Detect_DVI_Mode();
- else
- Check_DVI_Mode();
- break;
- default :
- if ((MODE_NOSIGNAL == ucMode_Curr) || (MODE_NOSUPPORT == ucMode_Curr))
- Detect_Video_Mode(); // Set default polarity
- else
- Check_Video_Mode(); // Set polarity after measure
- break;
- }
- Measure_Mode(); // Measure mode-timing
- }
- void Measure_Mode(void)
- {
-
- switch (stGUD1.INPUT_SOURCE & 0x07)
- {
- RTDSetByte(SYNC_CTRL_4A,0x00);
- case SOURCE_VGA :
- RTDSetByte(SYNC_POR_4C, (SYNC_SS == ucSync_Type) ? 0x02 : 0x32);
- break;
- case SOURCE_DVI :
- RTDSetByte(SYNC_POR_4C, 0x02);
- break;
- default :
- RTDSetByte(SYNC_POR_4C, 0x02);
- break;
- }
-
- }
- #if(SOURCE_AUTO_SCAN)
- /////////////////////////////////////////////////////////
- //---Detect which source with valid signal-------------//
- /////////////////////////////////////////////////////////
- void Measure_Source(unsigned char SOURCE)
- {
- switch(SOURCE)
- {
- case SOURCE_VGA:
- RTDSetByte(SYNC_CTRL_4A,0x01);
- break;
- case SOURCE_DVI:
- RTDSetByte(SYNC_CTRL_4A,0x03);
- break;
- case SOURCE_AV:
- I2CWrite(V_ENABLE);
- I2CWrite(AV_DETECT);
- break;
- case SOURCE_SV:
- I2CWrite(V_ENABLE);
- I2CWrite(SV_DETECT);
- break;
- }
- //RTDSetByte(SYNC_POR_4C, 0x32);
- //RTDSetByte(SYNC_POR_4C, 0x02);
- //RTDSetByte(SYNC_POR_4C, (stGUD1.INPUT_SOURCE & 0x07) == SOURCE_VGA ? 0x32 : 0x02);
-
- if(((stGUD1.INPUT_SOURCE & 0x07) == SOURCE_VGA) && (SYNC_SS != ucSync_Type))
- RTDSetByte(SYNC_POR_4C,0x32);
- else
- RTDSetByte(SYNC_POR_4C,0x02);
-
- Delay_Xms(35);
- //Delay_Xms(24);
-
- }
- #endif
- /////////////////////////////////////////////////////////
- //------------------ Detect VGA Mode ----------------//
- /////////////////////////////////////////////////////////
- void Detect_VGA_Mode(void)
- {
- unsigned char ucMode_Temp, m;
- unsigned int usHS_Pulse;
- RTDRead(SYNC_POR_4C, 0x09, Y_INC);
- if (Data[0] & 0x02)
- {
- // Reset Sync Processor when sync signal timeout
- RTDSetByte(SYNC_POR_4C, 0x20);
- // Treat sync signal timeout as no signal
- ucMode_Temp = MODE_NOSIGNAL;
- }
- else
- {
- // ucMode_Temp = (Data[8] & 0xe0 ) >> 5;
- // if(ucMode_Temp == 0 || ucMode_Temp >=4) //Test which edge of Hsync to latch Vsync will be safe
- // {
- // RTDSetBit(MEAS_VS_HI_54,0xf7,0x08); //Use positive edge of Hsync to latch Vsync
- // ucDebug_Value0 = 0x08;
- // }
- // else
- // {
- // RTDSetBit(MEAS_VS_HI_54,0xf7,0x00); //Use negtive edge of Hsync to latch Vsync
- // ucDebug_Value0 = 0x18;
- // }
-
- usStdHS = usHsync; // Save previous usHsync in usStdHS
- usStdVS = usVsync; // Save previous usVsync in usStdVS
- bVpole_Curr = (bit)(Data[0] & 0x08); // Save current usVsync polarity
- bHpole_Curr = (bit)(Data[0] & 0x04); // Save current usHsync polarity
- Data[7] = Data[5];
- Data[6] = Data[6] & 0x0f;
- Data[5] = Data[3];
- Data[4] = Data[4] & 0x87;
- Data[3] = Data[1];
- Data[2] = Data[2] & 0x8f;
- usHsync = ((unsigned int *)Data)[1]; // Current HSYNC timing
- usVsync = ((unsigned int *)Data)[2]; // Current VSYNC timing
- usHS_Pulse = ((unsigned int *)Data)[3]; // Current HSYNC pulse width
- // Calculate Vertical Refresh Rate
- // Original Formula :
- // ucRefresh = 24.576M / (usHsync * usVsync)
- // Use Data[0~3] as a temporary long variable
- ((unsigned long *)Data)[0] = (unsigned long)usHsync * usVsync;
- ucRefresh = (unsigned long)49152000 / ((unsigned long *)Data)[0];
- ucRefresh = (ucRefresh & 0x01) ? ((ucRefresh + 1) >> 1) : (ucRefresh >> 1);
- // Treat small change of usHsync/usVsync as no change
- if (usStdHS <= usHsync && (usStdHS + 2) >= usHsync) usHsync = usStdHS;
- if (usStdVS <= usVsync && (usStdVS + 2) >= usVsync) usVsync = usStdVS;
- // Polarity must be correct
- if ((bVpole_Curr != bVpole_Prev) || (bHpole_Curr != bHpole_Prev))
- {
- RTDRead(VGIP_SIGINV_05, 0x01, N_INC);
- Data[0] &= 0xd7; // HS_RAW & VS positive
- if (!bHpole_Curr) Data[0] |= 0x20;
-
- if (!bVpole_Curr && SYNC_SS == ucSync_Type) Data[0] |= 0x08; // Seperate sync
-
- RTDSetByte(VGIP_SIGINV_05, Data[0]);
- ucMode_Temp = MODE_NOSUPPORT;
- }
- else
- {
- if (0x07ff <= usHsync || 0x07ff <= usVsync || 0 == usHsync || 0 == usVsync)
- {
- ucMode_Temp = MODE_NOSIGNAL; // Treat overflow as no signal
- }
- else
- {
- Data[0] = usHS_Pulse * 12 / usHsync; // 0 : 720x350; 1 : 640x350;
- ucMode_Temp = MODE_NOSUPPORT;
- // Search for Standard Mode
- m = MODE_1600x1200x60HZ;
- do
- {
- if ((usHsync > VGA_Mode[m][0]) && (usHsync < VGA_Mode[m][1]))
- {
- if ((usVsync >= VGA_Mode[m][2]) && (usVsync <= VGA_Mode[m][3]))
- {
- if (MODE_1280x1024x75HZ == m)
- {
- if (0 == (bVpole_Curr | bHpole_Curr)) m = MODE_1280x1024x76HZ; // SUN 1024-76
- }
- else if (MODE_1024x0768x75HZ == m)
- {
- if (0 == (bVpole_Curr | bHpole_Curr)) m = MODE_1024x0768x74HZ; // MAC768-75
- }
- else if (MODE_0640x0480x60HZ == m && bVpole_Curr != bHpole_Curr)
- {
- // MODE_VGA350x60Hz : 640x350 60Hz
- // MODE_VGA350x60Hz | 0x40 : 720x350 60Hz
- // MODE_VGA400x60Hz : 640x400 60Hz
- // MODE_VGA400x60Hz | 0x40 : 720x400 60Hz
- if (bHpole_Curr)
- m = Data[0] ? MODE_VGA350x60Hz : MODE_VGA350x60Hz | 0x40;
- else
- m = (stGUD1.FUNCTION & 0x10) ? MODE_VGA400x60Hz : MODE_VGA400x60Hz | 0x40;
- //m = (stGUD1.INPUT_SOURCE & 0x80) ? MODE_VGA400x60Hz : MODE_VGA400x60Hz | 0x40;
- }
- else if (MODE_0640x0480x50HZ == m && bVpole_Curr != bHpole_Curr)
- {
- // MODE_VGA350x50Hz : 640x350 50Hz
- // MODE_VGA350x50Hz | 0x40 : 720x350 50Hz
- // MODE_VGA400x50Hz : 640x400 50Hz
- // MODE_VGA400x50Hz | 0x40 : 720x400 50Hz
- if (bHpole_Curr)
- m = Data[0] ? MODE_VGA350x50Hz : MODE_VGA350x50Hz | 0x40;
- else
- m = (stGUD1.FUNCTION & 0x10) ? MODE_VGA400x50Hz : MODE_VGA400x50Hz | 0x40;
- //m = (stGUD1.INPUT_SOURCE & 0x80) ? MODE_VGA400x50Hz : MODE_VGA400x50Hz | 0x40;
- }
- else if (MODE_0720x0400x85HZ == m)
- {
- if (1 == bHpole_Curr && 0 == bVpole_Curr)
- m = MODE_0640x0350x85HZ;
- else if (stGUD1.FUNCTION & 0x10) //else if (stGUD1.INPUT_SOURCE & 0x80)
- m = MODE_0640x0400x85HZ;
- }
- else if (MODE_0720x0400x70HZ == m)
- {
- if (1 == bHpole_Curr && 0 == bVpole_Curr)
- m = Data[0] ? MODE_0640x0350x70HZ : MODE_0720x0350x70HZ;
- else if (stGUD1.FUNCTION & 0x10)//else if (stGUD1.INPUT_SOURCE & 0x80)
- m = MODE_0640x0400x70HZ;
- }
- ucMode_Temp = m;
- }
- }
- }
- while ((0 != --m) && (MODE_NOSUPPORT == ucMode_Temp));
-
- // Search for User Mode
- if (MODE_NOSUPPORT == ucMode_Temp)
- {
- usIPV_ACT_LEN = 0;
- m = MODE_USER1600x1200;
- do
- {
- if ((usVsync >= VGA_Mode[m][2]) && (usVsync <= VGA_Mode[m][3]))
- {
- usIPV_ACT_LEN = CAP_WIN[m][4];
-
- if ((usHsync >= VGA_Mode[m][0]) && (usHsync <= VGA_Mode[m][1]))
- {
- ucMode_Temp = m; // Support User Mode
- }
- }
- }
- while ((MODE_USER720x400 <= --m) && (MODE_NOSUPPORT == ucMode_Temp));
- }
- if (48 > ucRefresh || MAX_RATE < ucRefresh)
- {
- ucMode_Temp = MODE_NOSUPPORT; // We don't support vertical refresh rate lower than 50Hz
- }
- else if (MODE_NOSUPPORT == ucMode_Temp && 0 != usIPV_ACT_LEN)
- {
- if (DISP_LEN < usIPV_ACT_LEN) // V Scale-down
- {
- // Estimate display clock rate for full screen
- // DCLK = (24.576MHz / usHsync) * DCLK per display line * (display image lines / input image lines)
- ((unsigned int *)Data)[0] = (unsigned long)2458 * Mode_Preset[MODE_UNDEFINED1][0] * DISP_LEN
- / ((unsigned long)100 * usIPV_ACT_LEN * usHsync);
- if (MAX_DCLK < ((unsigned int *)Data)[0])
- {
- // If clock rate for full-screen display is too high, we can try partial-V display.
- // Estimate clock for partial-V display
- // DCLK = (24.576MHz / usHsync) * DCLK per display line * (min. display total lines / input total lines)
- ((unsigned int *)Data)[1] = (unsigned long)2458 * Mode_Preset[MODE_UNDEFINED1][0] * MIN_DV_TOTAL
- / ((unsigned long)100 * (usVsync - 1) * usHsync);
- if (MAX_DCLK < ((unsigned int *)Data)[1])
- {
- // Decrease usIPV_ACT_LEN to DISP_LEN and go further to check if it can be displayed.
- usIPV_ACT_LEN = DISP_LEN;
- }
- else
- {
- ucMode_Temp = MODE_UNDEFINED1 | 0x80; // Scale-down and partial-V display
- }
- }
- else
- ucMode_Temp = MODE_UNDEFINED1; // Scale-down and full-V display
- }
-
- if (DISP_LEN >= usIPV_ACT_LEN) // V Scale-up
- {
- ((unsigned int *)Data)[0] = (unsigned long)2458 * Mode_Preset[MODE_UNDEFINED0][0] * DISP_LEN
- / ((unsigned long)100 * usIPV_ACT_LEN * usHsync);
- if (MAX_DCLK < ((unsigned int *)Data)[0])
- {
- if (MIN_DV_TOTAL >= (usVsync - 1))
- {
- ((unsigned int *)Data)[1] = (unsigned long)2458 * Mode_Preset[MODE_UNDEFINED0][0] * MIN_DV_TOTAL
- / ((unsigned long)100 * (usVsync - 1) * usHsync);
- }
- else
- {
- ((unsigned int *)Data)[1] = (unsigned long)2458 * Mode_Preset[MODE_UNDEFINED0][0]
- / ((unsigned long)100 * usHsync);
- }
-
- if (MAX_DCLK < ((unsigned int *)Data)[1])
- ucMode_Temp = MODE_NOSUPPORT; // Cannot display
- else
- ucMode_Temp = MODE_UNDEFINED0 | 0x80; // Scale-up and partial-V display
- }
- else
- ucMode_Temp = MODE_UNDEFINED0; // Scale-up and full-V display
- }
- }
- }
- }
- }
- if (SYNC_SOG == ucSync_Type && 0 != (usHS_Pulse * 7 / usHsync))
- {
- // To prevent from SOG mode mistake
- // HSYNC pulse width will never longer than 1/7*HSYNC period
- ucMode_Temp = MODE_NOSIGNAL;
- }
- //-------------Check result-----------------------------------------
- if (MODE_NOSUPPORT == ucMode_Temp || MODE_NOSIGNAL == ucMode_Temp)
- {
- // Treat illegal signal as no signal when SOG
- if (SYNC_SOG == ucSync_Type) ucMode_Temp = MODE_NOSIGNAL;
- if (MODE_NOSUPPORT != ucMode_Found && MODE_NOSIGNAL != ucMode_Found) ucMode_Times = 0;
- ucMode_Found = ucMode_Temp;
- if (NO_MODE_TIMES > ucMode_Times)
- {
- // Wait for signal stable
- ucMode_Times ++;
- }
- else
- {
- bStable = (ucMode_Curr == ucMode_Found) ? 1 : 0; // bStable must be cleared when mode changed
- ucMode_Curr = ucMode_Found;
- ucMode_Times = NO_MODE_TIMES - 2;
- if (MODE_NOSIGNAL == ucMode_Curr)
- {
- if (SYNC_CS == ucSync_Type) // CS->SS
- {
- RTDCodeW(VGA_SET_SS);
- bVpole_Curr = 1;
- bHpole_Curr = 1;
- ucSync_Type = SYNC_SS;
-
- }
- else if (SYNC_SS == ucSync_Type) // SS->SOG
- {
- RTDCodeW(VGA_SET_SOG);
- bVpole_Curr = 1;
- bHpole_Curr = 1;
- ucSync_Type = SYNC_SOG;
-
-
- }
- else // SOG->CS
- {
- RTDCodeW(VGA_SET_CS);
- bVpole_Curr = 1;
- bHpole_Curr = 1;
- ucSync_Type = SYNC_CS;
-
-
- }
- }
- }
- }
- else
- {
- if (ucMode_Found != ucMode_Temp)
- {
- ucMode_Times = 1;
- ucMode_Found = ucMode_Temp;
- #if(SOURCE_AUTO_SCAN == _FALSE)
- // To prevent from mistaking CS (with VS) for SS, we check SYNC type once when finding a mode in SS.
- if (SYNC_SS == ucSync_Type)
- {
- RTDSetByte(SYNC_CTRL_4B, 0x55);
- RTDSetByte(SYNC_POR_4C, 0x22);
- m = (MODE_DETECT_FREQ + 1) * 20;
- do
- {
- Delay_Xms(1);
- RTDRead(SYNC_POR_4C, 0x05, Y_INC);
- }
- while ((Data[0] & 0x02) && (--m));
-
- Data[5] = Data[3];
- Data[4] = Data[4] & 0x87;
- Data[3] = Data[1];
- Data[2] = Data[2] & 0x8f;
- if ((0 == ((unsigned int *)Data)[1]) || (0x07ff <= ((unsigned int *)Data)[1]) ||
- (0 == ((unsigned int *)Data)[2]) || (0x07ff <= ((unsigned int *)Data)[2]) ||
- (0 == m))
- {
- ucSync_Type = SYNC_SS;
- RTDSetByte(SYNC_CTRL_4B, 0x14);
- }
- else
- {
- ucSync_Type = SYNC_CS;
- RTDCodeW(VGA_SET_CS);
- bVpole_Curr = 1;
- bHpole_Curr = 1;
- }
- }
- else if (SYNC_SOG == ucSync_Type)
- {
- RTDSetByte(SYNC_CTRL_4B, 0x14);
- Delay_Xms(8);
- RTDSetByte(SYNC_POR_4C, 0x00);
- RTDSetByte(SYNC_POR_4C, 0x02);
-
- m = (MODE_DETECT_FREQ + 1) * 20;
- do
- {
- Delay_Xms(1);
- RTDRead(SYNC_POR_4C, 0x05, Y_INC);
- }
- while ((Data[0] & 0x02) && (--m));
-
- Data[5] = Data[3];
- Data[4] = Data[4] & 0x87;
- Data[3] = Data[1];
- Data[2] = Data[2] & 0x8f;
- if ((0 == ((unsigned int *)Data)[1]) || (0x07ff <= ((unsigned int *)Data)[1]) ||
- (0 == ((unsigned int *)Data)[2]) || (0x07ff <= ((unsigned int *)Data)[2]) ||
- (0 == m))
- {
- ucSync_Type = SYNC_SOG;
-
- RTDSetByte(SYNC_CTRL_4B, 0x57);
- //RTDSetByte(VGIP_SIGINV_05, 0x40);
- Delay_Xms(8);
-
- RTDSetByte(SYNC_POR_4C,0x32);
- Delay_Xms(20);
- RTDSetByte(SYNC_POR_4C, 0x00);
-
- }
- else
- {
- ucSync_Type = SYNC_SS;
- RTDCodeW(VGA_SET_SS);
- bVpole_Curr = 1;
- bHpole_Curr = 1;
- }
- }
- #endif
- }
- else
- {
- if (VGA_SEARCH_TIMES > ucMode_Times)
- {
- ucMode_Times ++;
- }
- else
- {
- bLIGHT_PWR = LIGHT_OFF; // Turn off BackLight for reset display
-
- RTDSetByte(HOSTCTRL_02, 0x40); // Wake RTD up
- RTDCodeW(OSD_Reset); // Clear OSD
- ucMode_Curr = ucMode_Found; // Supported mode found
- ucMode_Times = 0; // Reset mode timer
- bStable = 0; // bStable must be cleared when mode changed
- Display_VGA_Set(); // Set VGA Mode registers
-
- #if (RTDDEBUG)
- if (ucMode_PrevAct == ucMode_Curr)
- {
- if (0xff > ucMode_QuitCnt) ucMode_QuitCnt += 1;
- }
- else
- {
- ucMode_PrevAct = ucMode_Curr;
- ucMode_QuitCnt = 0;
- ucDebug = 0;
- }
- #endif
- }
- }
- }
- }
- //------------------- Check VGA Mode -------------------//
- void Check_VGA_Mode(void)
- {
- RTDRead(SYNC_POR_4C, 0x05, Y_INC);
- if (Data[0] & 0x02)
- {
- RTDSetByte(SYNC_POR_4C, 0x20); // Input signal time-out. Reset sync-processor
- ucMode_Found = MODE_NOSUPPORT;
- }
- else
- {
- bVpole_Curr = (bit)(Data[0] & 0x08); // Current usVsync polarity
- bHpole_Curr = (bit)(Data[0] & 0x04); // Current usHsync polarity
- Data[5] = Data[3];
- Data[4] = Data[4] & 0x87;
- Data[3] = Data[1];
- Data[2] = Data[2] & 0x8f;
- usHsync = ((unsigned int *)Data)[1]; // Current usHsync timing
- usVsync = ((unsigned int *)Data)[2]; // Current usVsync timing
- // Polarity must be correct
- if ((bVpole_Curr != bVpole_Prev) || (bHpole_Curr != bHpole_Prev))
- {
- RTDRead(VGIP_SIGINV_05, 0x01, N_INC);
-
- Data[0] &= 0xd7; // HS_RAW & VS positive
- if (!bHpole_Curr) Data[0] |= 0x20;
- if (!bVpole_Curr && SYNC_SS == ucSync_Type) Data[0] |= 0x08; // Seperate sync
-
- RTDSetByte(VGIP_SIGINV_05, Data[0]);
- ucMode_Found = MODE_NOSUPPORT;
- }
- else
- {
- if (0x07ff <= usHsync || 0x07ff <= usVsync || 0 == usHsync || 0 == usVsync) // Check overflow
- {
- ucMode_Found = MODE_NOSUPPORT;
- }
- else
- {
- if ((usHsync < (usStdHS - 1)) || (usHsync > (usStdHS + 3)) ||
- (usVsync < (usStdVS - 1)) || (usVsync > (usStdVS + 3)))
- {
- ucMode_Found = MODE_NOSUPPORT;
- }
- else
- {
- ucMode_Found = ucMode_Curr;
- }
- }
- }
- }
-
- if (MODE_NOSUPPORT == ucMode_Found)
- Reset_Mode();
- else
- {
- bStable = 1; // Set bStable to 1 when signal timing is stable.
- #if(AS_NON_FRAMESYNC)
- RTDSetByte(STATUS0_01, 0x00); // Clear status
- RTDSetByte(STATUS1_1F, 0x00); // Clear status
- if(bFrameSync)
- RTDSetBit(ODD_CTRL_8E,0xef,0x10);
- #endif
- }
- }
- /////////////////////////////////////////////////////////
- //------------------ Detect DVI Mode ----------------//
- /////////////////////////////////////////////////////////
- void Detect_DVI_Mode(void)
- {
- #if(TMDS_ENABLE)
- unsigned char ucMode_Temp, m;
- RTDRead(SYNC_POR_4C, 0x05, Y_INC);
- if (Data[0] & 0x02)
- {
- RTDSetByte(SYNC_POR_4C, 0x00); // Input signal time-out. Reset sync-processor
- ucMode_Temp = MODE_NOSIGNAL;
- }
- else
- {
- usStdHS = usHsync; // Save previous usHsync in usStdHS
- usStdVS = usVsync; // Save previous usVsync in usStdVS
- bVpole_Curr = (bit)(Data[0] & 0x08); // Save current usVsync polarity
- bHpole_Curr = (bit)(Data[0] & 0x04); // Save current usHsync polarity
- Data[5] = Data[3];
- Data[4] = Data[4] & 0x87;
- Data[3] = Data[1];
- Data[2] = Data[2] & 0x8f;
- usHsync = ((unsigned int *)Data)[1]; // Current usHsync timing
- usVsync = ((unsigned int *)Data)[2]; // Current usVsync timing
- // Calculate Vertical Refresh Rate
- // Original Formula :
- // ucRefresh = 24.576M / (usHsync * usVsync)
- // Use Data[0~3] as a temporary long variable
- ((unsigned long *)Data)[0] = (unsigned long)usHsync * usVsync;
- ucRefresh = (unsigned long)49152000 / ((unsigned long *)Data)[0];
- ucRefresh = (ucRefresh & 0x01) ? ((ucRefresh + 1) >> 1) : (ucRefresh >> 1);
- // Treat small change of usHsync/usVsync as no change
- if (usStdHS <= usHsync && (usStdHS + 2) >= usHsync) usHsync = usStdHS;
- if (usStdVS <= usVsync && (usStdVS + 2) >= usVsync) usVsync = usStdVS;
- // Set correct polarity
- if ((bVpole_Curr != bVpole_Prev) || (bHpole_Curr != bHpole_Prev))
- {
- RTDRead(VGIP_SIGINV_05, 0x01, N_INC);
- Data[0] &= 0xf3; // VS & HS positive
- if (!bVpole_Curr) Data[0] |= 0x08;
- if (!bHpole_Curr) Data[0] |= 0x04;
- RTDSetByte(VGIP_SIGINV_05, Data[0]);
- }
-
- if (0x07ff <= usHsync || 0x07ff <= usVsync || 0 == usHsync || 0 == usVsync)
- {
- ucMode_Temp = MODE_NOSIGNAL; // Treat overflow as no signal
- }
- else
- {
- ucMode_Temp = MODE_NOSUPPORT;
- // Search for Standard Mode
- m = MODE_1600x1200x60HZ;
- do
- {
- if ((usHsync > VGA_Mode[m][0]) && (usHsync < VGA_Mode[m][1]))
- {
- if ((usVsync >= VGA_Mode[m][2]) && (usVsync <= VGA_Mode[m][3]))
- {
- ucMode_Temp = m; // Support mode
- }
- }
- }
- while ((0 != --m) && (MODE_NOSUPPORT == ucMode_Temp));
-
- if (MODE_NOSUPPORT == ucMode_Temp)
- {
- // Search for User Mode
- m = MODE_USER1600x1200;
- do
- {
- if ((usHsync >= VGA_Mode[m][0]) && (usHsync <= VGA_Mode[m][1]))
- {
- if ((usVsync >= VGA_Mode[m][2]) && (usVsync <= VGA_Mode[m][3]))
- {
- ucMode_Temp = m; // Support User Mode
- }
- }
- }
- while ((MODE_USER720x400 <= --m) && (MODE_NOSUPPORT == ucMode_Temp));
- }
-
- if (48 > ucRefresh || MAX_RATE < ucRefresh)
- ucMode_Temp = MODE_NOSUPPORT; // We don't support vertical refresh rate lower than 50Hz
- else
- ucMode_Temp = Seek_DVI_Mode(ucMode_Temp); // Seek mode in according to data enable width and height
- }
- }
- //-------------Check result--------------
- if (MODE_NOSUPPORT == ucMode_Temp || MODE_NOSIGNAL == ucMode_Temp) // No Detect
- {
- if (MODE_NOSUPPORT != ucMode_Found && MODE_NOSIGNAL != ucMode_Found) ucMode_Times = 0;
- ucMode_Found = ucMode_Temp;
- if (NO_MODE_TIMES > ucMode_Times)
- {
- ucMode_Times ++;
-
- //Enable the TMDS Hsync & Vsync error correction to improve the long cable image quality
- RTDSetByte(TMDS_CORRECTION_FF,0x03);
- }
- else
- {
- //Disable the TMDS Hsync & Vsync error correction
- RTDSetByte(TMDS_CORRECTION_FF,0x00);
- bStable = (ucMode_Curr == ucMode_Found) ? 1 : 0; // bStable must be cleared when mode changed
- ucMode_Curr = ucMode_Found;
- ucMode_Times = NO_MODE_TIMES - 2;
- }
- }
- else
- {
- if (ucMode_Found != ucMode_Temp)
- {
- ucMode_Times = 1;
- ucMode_Found = ucMode_Temp;
- }
- else
- {
- if (DVI_SEARCH_TIMES > ucMode_Times)
- {
- ucMode_Times ++;
- }
- else
- {
- bLIGHT_PWR = LIGHT_OFF; // Turn off BackLight for reset display
- RTDSetByte(HOSTCTRL_02, 0x40); // Wake RTD up
- RTDCodeW(OSD_Reset); // Clear OSD
- ucMode_Curr = ucMode_Found; // Search mode OK
- ucMode_Times = 0; // Reset mode timer
- bStable = 0; // bStable must be cleared when mode changed
- Display_DVI_Set(); // Set VGA Mode registers
- #if (RTDDEBUG)
- if (ucMode_PrevAct == ucMode_Curr)
- {
- if (0xff > ucMode_QuitCnt) ucMode_QuitCnt += 1;
- }
- else
- {
- ucMode_PrevAct = ucMode_Curr;
- ucMode_QuitCnt = 0;
- ucDebug = 0;
- }
- #endif
- }
- }
- }
- #else
- Display_DVI_Set();
- #endif
- }
- unsigned char Seek_DVI_Mode(unsigned char mode)
- {
- #if(TMDS_ENABLE)
- unsigned char Wait_Time_Cnt;
- RTDSetByte(SYNC_POR_4C, 0x03); // Measure data enable width and height
- Wait_Time_Cnt = 60;
- do
- {
- Delay_Xms(1);
- RTDRead(SYNC_POR_4C, 0x07, Y_INC);
- }
- while ((Data[0] & 0x02) && (--Wait_Time_Cnt));
- Data[7] = Data[5];
- Data[6] = Data[6] & 0x0f;
- Data[5] = Data[3];
- Data[4] = Data[4] & 0x87;
- Data[3] = Data[1];
- Data[2] = Data[2] & 0x8f;
- // Measure Failed !!!
- if ((0 == ((unsigned int *)Data)[1]) || (0x07ff <= ((unsigned int *)Data)[1]) ||
- (0 == ((unsigned int *)Data)[2]) || (0x07ff <= ((unsigned int *)Data)[2]) ||
- (0 == Wait_Time_Cnt))
- {
- RTDSetByte(SYNC_POR_4C, 0x00);
- return MODE_NOSUPPORT;
- }
- // Save IH_TOTAL in usADC_Clock
- usADC_Clock = ((unsigned int *)Data)[1] * 2;
- // Save input data enable width and height
- usIPV_ACT_LEN = ((unsigned int *)Data)[2];
- usIPH_ACT_WID = ((unsigned int *)Data)[3] * 2;
- // We don't support input image less than 350 active lines
- if (350 > usIPV_ACT_LEN) return MODE_NOSUPPORT;
- // We only support 8N active width
- usIPH_ACT_WID = (2 < (usIPH_ACT_WID & 0x0007)) ? ((usIPH_ACT_WID + 8) & 0xfff8) : (usIPH_ACT_WID & 0xfff8);
- // We only support active width not larger than 1280
- if (1280 < usIPH_ACT_WID) usIPH_ACT_WID = 1280;
- // Calculate maximum usIPV_ACT_LEN limitation
- ((unsigned int *)Data)[0] = (unsigned long)(usVsync - 1) * DISP_LEN / MIN_DV_TOTAL;
- if (((unsigned int *)Data)[0] < usIPV_ACT_LEN) usIPV_ACT_LEN = ((unsigned int *)Data)[0];
- if (MODE_NOSUPPORT == mode)
- {
- mode = MODE_UNDEFINED0;
- }
- else if (CAP_WIN[mode][2] != usIPH_ACT_WID || CAP_WIN[mode][4] != usIPV_ACT_LEN)
- {
- switch (usIPV_ACT_LEN)
- {
- case 350 :
- if (MODE_0640x0350x70HZ <= mode && MODE_0720x0400x70HZ >= mode)
- {
- mode = (716 > usIPH_ACT_WID) ? MODE_0640x0350x70HZ : MODE_0720x0350x70HZ;
- }
- else if (MODE_0640x0350x85HZ <= mode && MODE_0720x0400x85HZ >= mode)
- {
- mode = MODE_0640x0350x85HZ;
- }
- else if (MODE_0640x0480x50HZ == mode)
- {
- mode = MODE_VGA350x50Hz;
- }
- else if (MODE_0640x0480x60HZ == mode)
- {
- mode = MODE_VGA350x60Hz;
- }
- else
- {
- mode = MODE_UNDEFINED0;
- }
- break;
- case 400 :
- if (MODE_0640x0350x70HZ <= mode && MODE_0720x0400x70HZ >= mode)
- {
- mode = (716 > usIPH_ACT_WID) ? MODE_0640x0400x70HZ : MODE_0720x0400x70HZ;
- }
- else if (MODE_0640x0350x85HZ <= mode && MODE_0720x0400x85HZ >= mode)
- {
- mode = (716 > usIPH_ACT_WID) ? MODE_0640x0400x85HZ : MODE_0720x0400x85HZ;
- }
- else if (MODE_0640x0480x50HZ == mode)
- {
- mode = MODE_VGA400x50Hz;
- }
- else if (MODE_0640x0480x60HZ == mode)
- {
- mode = MODE_VGA400x60Hz;
- }
- else if (MODE_USER720x400 != mode)
- {
- mode = MODE_UNDEFINED0;
- }
- break;
- case 480 :
- if ((MODE_USER640x480 != mode) && ((MODE_0640x0480x50HZ > mode) || (MODE_0640x0480x85HZ < mode)))
- mode = MODE_UNDEFINED0;
- break;
- case 600 :
- if ((MODE_USER800x600 != mode) && ((MODE_0800x0600x56HZ > mode) || (MODE_0800x0600x85HZ < mode)))
- mode = MODE_UNDEFINED0;
- break;
- case 624 :
- if (MODE_0832x0624x75HZ != mode)
- mode = MODE_UNDEFINED0;
- break;
- case 768 :
- if ((MODE_USER1024x768 != mode) && ((MODE_1024x0768x60HZ > mode) || (MODE_1024x0768x85HZ < mode)))
- mode = MODE_UNDEFINED0;
- break;
- case 800 :
- if (MODE_1024x0800x84HZ != mode)
- mode = MODE_UNDEFINED0;
- break;
- case 864 :
- if ((MODE_USER1152x864 != mode) && (MODE_1152x0864x75HZ != mode))
- mode = MODE_UNDEFINED0;
- break;
- case 870 :
- if (MODE_1152x0870x75HZ != mode)
- mode = MODE_UNDEFINED0;
- break;
- case 900 :
- if ((MODE_USER1152x900 != mode) && ((MODE_1152x0900x66HZ > mode) || (MODE_1152x0900x76HZ < mode)))
- mode = MODE_UNDEFINED0;
- break;
- case 960 :
- if ((MODE_USER1280x960 != mode) && ((MODE_1280x0960x60HZ > mode) || (MODE_1280x0960x85HZ < mode)))
- mode = MODE_UNDEFINED0;
- break;
- case 1024 :
- if ((MODE_USER1280x1024 != mode) && ((MODE_1280x1024x60HZ > mode) || (MODE_1280x1024x85HZ < mode)))
- mode = MODE_UNDEFINED0;
- break;
- case 1600 :
- if ((MODE_USER1600x1200 != mode) && (MODE_1600x1200x60HZ != mode))
- mode = MODE_UNDEFINED0;
- break;
- default :
- mode = MODE_UNDEFINED0;
- break;
- }
- }
- if (MODE_UNDEFINED0 == mode)
- {
- // First, we try user-mode to fit the undefined mode for full-screen display.
- Wait_Time_Cnt = MODE_USER720x400;
- do
- {
- if (Mode_Preset[Wait_Time_Cnt][2] < CAP_WIN[Wait_Time_Cnt][4]) // V scale-down
- {
- // Larger scale-down ratio may need a larger DH_TOTAL.
- // So usIPV_ACT_LEN should not be too larger than pre-set capture window length
- if (Mode_Preset[Wait_Time_Cnt][2] > usIPV_ACT_LEN || (CAP_WIN[Wait_Time_Cnt][4] + 24) < usIPV_ACT_LEN) continue;
- }
- else
- {
- if (Mode_Preset[Wait_Time_Cnt][2] < usIPV_ACT_LEN) continue;
- }
- ((unsigned int *)Data)[0] = (unsigned long)2458 * Mode_Preset[Wait_Time_Cnt][0] * Mode_Preset[Wait_Time_Cnt][2]
- / ((unsigned long)100 * usIPV_ACT_LEN * usHsync);
-
- // Return if we find out a suitable user-mode.
- if (MAX_DCLK > ((unsigned int *)Data)[0]) return Wait_Time_Cnt;
- }
- while (MODE_USER1600x1200 >= ++Wait_Time_Cnt);
- // If failed, we try partial-screen display.
- if (DISP_LEN < usIPV_ACT_LEN) // Scale-down
- {
- ((unsigned int *)Data)[0] = (unsigned long)2458 * Mode_Preset[MODE_UNDEFINED1][0] * DISP_LEN
- / ((unsigned long)100 * usIPV_ACT_LEN * usHsync);
- if (MAX_DCLK < ((unsigned int *)Data)[0])
- {
- ((unsigned int *)Data)[1] = (unsigned long)2458 * Mode_Preset[MODE_UNDEFINED1][0] * MIN_DV_TOTAL
- / ((unsigned long)100 * (usVsync - 1) * usHsync);
- if (MAX_DCLK < ((unsigned int *)Data)[1])
- {
- // Decrease usIPV_ACT_LEN to DISP_LEN and go further to check if it can be displayed.
- usIPV_ACT_LEN = DISP_LEN;
- }
- else
- {
- mode = MODE_UNDEFINED1 | 0x80; // Scale-down and partial-V display
- }
- }
- else
- mode = MODE_UNDEFINED1; // Scale-down and full-V display
- }
- if (DISP_LEN >= usIPV_ACT_LEN) // Scale-up
- {
- ((unsigned int *)Data)[0] = (unsigned long)2458 * Mode_Preset[MODE_UNDEFINED0][0] * DISP_LEN
- / ((unsigned long)100 * usIPV_ACT_LEN * usHsync);
- if (MAX_DCLK < ((unsigned int *)Data)[0])
- {
- if (MIN_DV_TOTAL >= (usVsync - 1))
- {
- ((unsigned int *)Data)[1] = (unsigned long)2458 * Mode_Preset[MODE_UNDEFINED0][0] * MIN_DV_TOTAL
- / ((unsigned long)100 * (usVsync - 1) * usHsync);
- }
- else
- {
- ((unsigned int *)Data)[1] = (unsigned long)2458 * Mode_Preset[MODE_UNDEFINED0][0]
- / ((unsigned long)100 * usHsync);
- }
- if (MAX_DCLK < ((unsigned int *)Data)[1])
- mode = MODE_NOSUPPORT; // Cannot display
- else
- mode = MODE_UNDEFINED0 | 0x80; // Scale-up and partial-screen display
- }
- else
- mode = MODE_UNDEFINED0; // Scale-up and full-screen display
- }
- }
- return mode;
- #else
- mode = MODE_UNDEFINED0;
- return 0;
- #endif
- }
- //------------------- Check DVI Mode -------------------//
- void Check_DVI_Mode(void)
- {
- #if(TMDS_ENABLE)
- RTDRead(SYNC_POR_4C, 0x05, Y_INC);
- if (Data[0] & 0x02)
- {
- RTDSetByte(SYNC_POR_4C, 0x00); // Reset Sync Processor
- ucMode_Found = MODE_NOSUPPORT;
- }
- else
- {
- bVpole_Curr = (bit)(Data[0] & 0x08); // Current usVsync polarity
- bHpole_Curr = (bit)(Data[0] & 0x04); // Current usHsync polarity
- Data[5] = Data[3];
- Data[4] = Data[4] & 0x87;
- Data[3] = Data[1];
- Data[2] = Data[2] & 0x8f;
- usHsync = ((unsigned int *)Data)[1]; // Current usHsync timing
- usVsync = ((unsigned int *)Data)[2]; // Current usVsync timing
- // Polarity must be correct
- if ((bVpole_Curr != bVpole_Prev) || (bHpole_Curr != bHpole_Prev))
- {
- RTDRead(VGIP_SIGINV_05, 0x01, N_INC);
-
- Data[0] &= 0xf3; // VS & HS positive
- if (!bVpole_Curr) Data[0] |= 0x08;
- if (!bHpole_Curr) Data[0] |= 0x04;
-
- RTDSetByte(VGIP_SIGINV_05, Data[0]);
- ucMode_Found = MODE_NOSUPPORT;
- }
- else
- {
- if (0x07ff <= usHsync || 0x07ff <= usVsync || 0 == usHsync || 0 == usVsync) // Check overflow
- {
- ucMode_Found = MODE_NOSUPPORT;
- }
- else
- {
- if ((usHsync < (usStdHS - 1)) || (usHsync > (usStdHS + 3)) ||
- (usVsync < (usStdVS - 1)) || (usVsync > (usStdVS + 3)))
- {
- ucMode_Found = MODE_NOSUPPORT;
- }
- else
- {
- ucMode_Found = ucMode_Curr;
- }
- }
- }
- }
-
- if (MODE_NOSUPPORT == ucMode_Found)
- Reset_Mode();
- else
- bStable = 1; // Set bStable to 1 when signal timing is stable.
- #endif
- }
- /////////////////////////////////////////////////////////
- //------------------ Detect VIDEO Mode ----------------//
- /////////////////////////////////////////////////////////
- void Detect_Video_Mode(void)
- {
- #if(VIDEO_CHIP != VDC_NONE)
- I2CRead(ADDR_VIDEO, 0x1f, 0x01);
- //------ Check Horizontal Lock & Frequency ------
- if (0 == (Data[0] & 0x40))
- {
- if ((Data[0] & 0x20) && (0x01 != (ucAV_Mode & 0x0f)))
- {
- // Field rate changed to 60Hz
- ucAV_Mode = 0x01;
- ucMode_Found = MODE_NOSUPPORT;
- ucMode_Times = 0;
- Data[0] = 4;
- Data[1] = ADDR_VIDEO;
- Data[2] = 0x0e;
- Data[3] = 0x08; // Start color search from NTSC-M
- I2CWrite(Data);
- }
- else if ((0 == (Data[0] & 0x20)) && (0x02 != (ucAV_Mode & 0x02)))
- {
- // Field rate changed to 50Hz
- ucAV_Mode = 0x02;
- ucMode_Found = MODE_NOSUPPORT;
- ucMode_Times = 0;
-
- Data[0] = 4;
- Data[1] = ADDR_VIDEO;
- Data[2] = 0x0e;
- Data[3] = 0x08; // Start color search from PAL-BDGHI
- I2CWrite(Data);
- }
- else
- {
- //------ Check Lock Color ------
- if (0x01 == (Data[0] & 0x01))
- {
- // Lock Color
- if (ucAV_Mode & 0x01)
- {
- if (MODE_VIDEO60HZ == ucMode_Found)
- {
- ucMode_Times ++;
- }
- else
- {
- ucMode_Found = MODE_VIDEO60HZ;
- ucMode_Times = 0;
- }
- }
- else
- {
- if (MODE_VIDEO50HZ == ucMode_Found)
- {
- ucMode_Times ++;
- }
- else
- {
- ucMode_Found = MODE_VIDEO50HZ;
- ucMode_Times = 0;
- }
- }
- }
- else
- {
- // Non Lock Color
- if (MODE_NOSUPPORT != ucMode_Found)
- {
- ucMode_Found = MODE_NOSUPPORT;
- ucMode_Times = 0;
- }
-
- Data[0] = 4;
- Data[1] = ADDR_VIDEO;
- Data[2] = 0x0e;
-
- if (0x03 == (ucAV_Mode & 0x03))
- {
- // SECAM -> PAL-BDGHI(50Hz)
- Data[3] = 0x08;
- I2CWrite(Data);
- ucAV_Mode = 0x02;
- }
- else
- {
- if (ucMode_Times & 0x01) // Every 2-times , change color
- {
- switch (ucAV_Mode & 0x70)
- {
- case 0x00:
- Data[3] = 0x18; // NTSC-4.43(50Hz) // PAL-4.43(60Hz)
- I2CWrite(Data);
- ucAV_Mode = (ucAV_Mode & 0x0f) | 0x10;
- break;
- case 0x10:
- Data[3] = 0x28; // PAL-N(50Hz) // NTSC-4.43(60Hz)
- I2CWrite(Data);
- ucAV_Mode = (ucAV_Mode & 0x0f) | 0x20;
- break;
- case 0x20:
- Data[3] = 0x38; // NTSC-N(50Hz) // PAL-M(60Hz)
- I2CWrite(Data);
- ucAV_Mode = (ucAV_Mode & 0x0f) | 0x30;
- break;
- case 0x30:
- if (ucAV_Mode & 0x02)
- {
- // NTSC-N -> SECAM (50Hz)
- Data[3] = 0x5c;
- I2CWrite(Data);
- ucAV_Mode = 0x03;
- }
- else
- {
- // PAL-M -> NTSC_M (60Hz)
- Data[3] = 0x08;
- I2CWrite(Data);
- ucAV_Mode = ucAV_Mode & 0x0f | 0x00;
- }
- default:
- break;
- }//end of "switch (ucAV_Mode & 0x70)"
- }//end of "if (ucMode_Times & 0x01)"
- }//end of "if (0x03 == (ucAV_Mode & 0x03)) else"
- }//end of "Non Lock color
- }//end of "Check Lock Color"
- }//end of "if (0==(Data[0] & 0x40))"
- else
- {
- // Non Horizontal Lock
- ucAV_Mode = 0;
-
- if (ucMode_Found != MODE_NOSUPPORT)
- {
- ucMode_Found = MODE_NOSUPPORT;
- ucMode_Times = 0;
- }
- }
-
- //-------------Check result--------------
- if (MODE_NOSUPPORT != ucMode_Found)
- {
- if (VIDEO_SEARCH_TIMES < ucMode_Times)
- {
- bLIGHT_PWR = LIGHT_OFF; // Turn off BackLight for reset display
-
- RTDSetByte(HOSTCTRL_02, 0x40); // Wake RTD up
- RTDCodeW(OSD_Reset); // Clear OSD
-
- if (SOURCE_YUV == (stGUD1.INPUT_SOURCE & 0x07))
- ucMode_Curr = (ucAV_Mode & 0x02) ? MODE_YUV50HZ : MODE_YUV60HZ;
- else
- ucMode_Curr = ucMode_Found;
-
- ucMode_Times = 0;
- bStable = 0; // bStable must be cleared when mode changed
- Display_Video_Set();
- }
- }
- else
- {
- ucMode_Times ++;
-
- if (ucAV_Mode)
- {
- // Force to display although we cannot lock color
- if (VIDEO_SEARCH_TIMES < ucMode_Times
- && (NO_COLOR_TIMES < ucMode_Times || SOURCE_YUV == (stGUD1.INPUT_SOURCE & 0x07)))
- {
- bLIGHT_PWR = LIGHT_OFF; // Turn off BackLight for reset display
- RTDSetByte(HOSTCTRL_02, 0x40); // Wake RTD up
- RTDCodeW(OSD_Reset); // Clear OSD
-
- ucAV_Mode = (ucAV_Mode & 0x02) ? 0x82 : 0x81;
- if (SOURCE_YUV != (stGUD1.INPUT_SOURCE & 0x07))
- ucMode_Curr = (ucAV_Mode & 0x02) ? MODE_VIDEO50HZ : MODE_VIDEO60HZ;
- else
- ucMode_Curr = (ucAV_Mode & 0x02) ? MODE_YUV50HZ : MODE_YUV60HZ;
- ucMode_Times = 0;
- bStable = 0; // bStable must be cleared when mode changed
- Display_Video_Set();
- }
- }
- else
- {
- if (NO_MODE_TIMES < ucMode_Times)
- {
- bStable = 1; // Set bStable to 1 when signal timing is stable.
- ucMode_Times = NO_MODE_TIMES - 1;
- }
- }
- }
- #else
- Display_Video_Set();
- #endif
- }
- //------------------- Check AV Mode -------------------//
- void Check_Video_Mode(void)
- {
- #if(VIDEO_CHIP != VDC_NONE)
- I2CRead(ADDR_VIDEO, 0x1f, 0x01);
-
- // Check color
- if (0 == (ucAV_Mode & 0x80))
- {
- if (0 == (Data[0] & 0x01)) ucMode_Curr = MODE_NOSIGNAL; // Color standard changed
- }
- else
- {
- if (0 == (Data[0] & 0x01))
- {
- ucMode_Times = 0;
- }
- else
- {
- // When we cannot lock color, we set color standard to PAL-BDGHI if field rate is 50Hz,
- // and to NTSC-M if it is 60Hz.
- // If we find color is locked, we should update ucAV_Mode to indicate we now get color.
- if (VIDEO_SEARCH_TIMES < ++ucMode_Times) ucAV_Mode = ucAV_Mode & 0x0f;
- }
- }
- // Check field rate
- if (Data[0] & 0x40)
- {
- ucMode_Curr = MODE_NOSIGNAL;
- }
- else
- {
- if (ucAV_Mode & 0x02) // 50Hz
- {
- if (0x00 != (Data[0] & 0x20)) ucMode_Curr = MODE_NOSIGNAL;
- }
- else // 60Hz
- {
- if (0x00 == (Data[0] & 0x20)) ucMode_Curr = MODE_NOSIGNAL;
- }
- }
-
- // Check result
- if (MODE_NOSIGNAL == ucMode_Curr)
- Reset_Mode();
- else
- bStable = 1; // Set bStable to 1 when signal timing is stable.
- #endif
- }
- void Initial_Mode(void)
- {
- unsigned char ucOption;
- unsigned int usDispLen;
- // bit 7 of ucMode_Curr : partial-V display.
- // bit 6 of ucMode_Curr : select 720x350 or 720x400 for VGA-50Hz and VGA-60Hz
- ucOption = ucMode_Curr & 0xc0;
- ucMode_Curr = ucMode_Curr & 0x3f;
-
- RTDSetBit(SD_CTRL_70, 0xf9, VGA_ICLK_DELAY);
- if (SOURCE_DVI == (stGUD1.INPUT_SOURCE & 0x07))
- {
- RTDSetBit(SD_CTRL_70, 0xf9, TMDS_ICLK_DELAY);
- usIPH_ACT_STA = CAP_WIN[ucMode_Curr][1];
- }
- else
- {
- if (ucOption & 0x40)
- {
- // Only VGA-50Hz and VGA-60Hz mode will set bit 6 of ucMode_Curr to indicate 720-pixel capture width
- // In these case, we should use 720 horizontal settings instead of 640 horizontal settings in table.
- usADC_Clock = CAP_WIN[MODE_0720x0400x70HZ][0];
- usIPH_ACT_STA = CAP_WIN[MODE_0720x0400x70HZ][1];
- usIPH_ACT_WID = CAP_WIN[MODE_0720x0400x70HZ][2];
- }
- else
- {
- usADC_Clock = CAP_WIN[ucMode_Curr][0];
- usIPH_ACT_STA = CAP_WIN[ucMode_Curr][1];
- usIPH_ACT_WID = CAP_WIN[ucMode_Curr][2];
- // Calculate pixel clock rate (round to MHz)
- usDispLen = (unsigned long)24576 * usADC_Clock / ((unsigned long)usHsync * 500);
- usDispLen = (usDispLen >> 1) + (usDispLen & 0x01);
- // Use ADC to do H scale-down if pixel clock rate is over spec.
- if (MAX_ADC_FREQ < usDispLen && MODE_USER1152x864 <= ucMode_Curr && MODE_USER1600x1200 >= ucMode_Curr)
- {
- usADC_Clock = ADC_SD_SET[ucMode_Curr - MODE_USER1152x864][0];
- usIPH_ACT_STA = ADC_SD_SET[ucMode_Curr - MODE_USER1152x864][1];
- usIPH_ACT_WID = ADC_SD_SET[ucMode_Curr - MODE_USER1152x864][2];
- }
- } //if (ucOption & 0x40)
- // Calculate pixel clock rate (round to MHz)
- usDispLen = (unsigned long)24576 * usADC_Clock / ((unsigned long)usHsync * 500);
- usDispLen = (usDispLen >> 1) + (usDispLen & 0x01);
- // To improve ADC performance ,when the data rate is slow, use single channel,otherwise, use dual channel
- RTDSetBit(ADC_REG_CLK_EA,0xe0,(45 > usDispLen) ? 0x10 | (ADC_RED_PHASE_FT & 0x0c) |( ADC_BLUE_PHASE_FT & 0x03):
- 0x00 | (ADC_RED_PHASE_FT & 0x0c) |( ADC_BLUE_PHASE_FT & 0x03));
- // To imporve the FIFO efficiency only when input data rate is slow, and display data rate is high.
- // RTDSetBit(VGIP_CTRL_04, 0xe3, (40 > usDispLen) ? 0x14 : 0x00);
- RTDSetBit(VGIP_CTRL_04, 0xf3, (60 > usDispLen) ? 0x08 : 0x00);
- RTDSetByte(PE_CONTROL_3C, 0x00); // HSYNC positive/negtive tracking
-
- RTDSetByte(ADC_FRAME_MODULE_EB,0x06);
- // RTDSetByte(ADC_FRAME_MODULE_EB,(usIPH_ACT_WID == 1280) ? 0x04 : 0x00);
- // Set ADC bandwidth to reduce high frequency noise
- // RTDSetByte(ADC_REG_TEST_E9, (35 > usDispLen) ? 0x08 : (150 > usDispLen) ? 0x10 : 0x18);
-
- #if(ADC_DEFFERENTIAL)
- RTDSetBit(ADC_DIFF_MODE_EC,0xff,0x40); //Differential mode
- #else
- RTDSetBit(ADC_DIFF_MODE_EC,0xbf,0x00); //Single endded mode
- #endif
- RTDSetByte(ADC_REG_CUR_H_E8, 0x0d | (ADC_GREEN_PHASE_FT & 0x30));
- RTDSetBit(ADC_FRAME_MODULE_EB,0xc7, ((ADC_RED_PHASE_FT & 0x10) << 1) | ((ADC_GREEN_PHASE_FT & 0x40) << 2)
- |((ADC_BLUE_PHASE_FT & 0x04) << 1));
- RTDSetBit(TMDS_CORRECTION_FF,0xff,0x04); //Enable the ADC digital filter
- if(ucMode_Curr < MODE_1024x0768x70HZ)
- RTDSetByte(ADC_REG_TEST_E9, 0x08);
- else
- RTDSetByte(ADC_REG_TEST_E9, 0x10);
- // Get usIPV_ACT_LEN
- if (MODE_UNDEFINED0 > ucMode_Curr)
- {
- // We've already decided usIPV_ACT_LEN in Detect_VGA_Mode() for undefined SU/SD mode.
- // Only defined modes need to decide usIPV_ACT_LEN here.
- usIPV_ACT_LEN = CAP_WIN[ucMode_Curr][4];
- }
-
- } //if (SOURCE_DVI == (stGUD1.INPUT_SOURCE & 0x07))
- // Get standard usIPV_ACT_STA
- RTDSetByte(IVS_DELAY_8C, PROGRAM_VDELAY);
- usIPV_ACT_STA = CAP_WIN[ucMode_Curr][3] - PROGRAM_VDELAY - 1;
- RTDSetByte(IHS_DELAY_8D, PROGRAM_HDELAY);
- // usIPH_ACT_STA = usIPH_ACT_STA + CAPTURE_HDELAY - PROGRAM_HDELAY;
- if(ucMode_Curr < MODE_0800x0600x75HZ)
- Data[0] = 2;
- else if(ucMode_Curr < MODE_1280x1024x75HZ)
- Data[0] = 5;
- else
- Data[0] = 3;
- // Data[0] = 5;
- usIPH_ACT_STA = usIPH_ACT_STA + Data[0] - PROGRAM_HDELAY;
- // Decide display length (height) and store to usDispLen
- usDispLen = Mode_Preset[ucMode_Curr][2];
- if (MODE_UNDEFINED0 == ucMode_Curr) // partical-screen scale-up mode
- {
- if (ucOption & 0x80) // partial-V
- {
- if (MIN_DV_TOTAL > (usVsync - 1))
- usDispLen = (unsigned long)usIPV_ACT_LEN * MIN_DV_TOTAL / (usVsync - 1);
- else
- usDispLen = usIPV_ACT_LEN; // No V scale-up
- }
- }
- else if (MODE_UNDEFINED1 == ucMode_Curr) // partial-screen scale-down mode
- {
- if (ucOption & 0x80) // partial-V
- {
- usDispLen = (unsigned long)usIPV_ACT_LEN * MIN_DV_TOTAL / (usVsync - 1);
- }
- } //if (MODE_UNDEFINED0 == ucMode_Curr) // partical-screen scale-up mode
- if (Mode_Preset[ucMode_Curr][2] < usDispLen) usDispLen = Mode_Preset[ucMode_Curr][2];
- // This F/W do not support V scale-up(or bypass) and H scale-down simultaneously
- if (usDispLen >= usIPV_ACT_LEN && Mode_Preset[ucMode_Curr][1] < usIPH_ACT_WID)
- {
- usIPH_ACT_WID = Mode_Preset[ucMode_Curr][1];
- }
- if (usDispLen > usIPV_ACT_LEN) ucOption |= 0x01; // bit 0 : V scale-up
- if (usDispLen < usIPV_ACT_LEN) ucOption |= 0x02; // bit 1 : V scale-down
- if (Mode_Preset[ucMode_Curr][1] > usIPH_ACT_WID) ucOption |= 0x04; // bit 2 : H scale-up
- if (Mode_Preset[ucMode_Curr][1] < usIPH_ACT_WID) ucOption |= 0x08; // bit 3 : H scale-down
- // Set capture window
- Data[0] = 11;
- Data[1] = Y_INC;
- Data[2] = IPH_ACT_STA_06;
- Data[3] = (unsigned char)usIPH_ACT_STA;
- Data[4] = (unsigned char)(usIPH_ACT_STA >> 8);
- Data[5] = (unsigned char)usIPH_ACT_WID;
- Data[6] = (unsigned char)(usIPH_ACT_WID >> 8);
- Data[7] = (unsigned char)usIPV_ACT_STA;
- Data[8] = (unsigned char)(usIPV_ACT_STA >> 8);
- Data[9] = (unsigned char)usIPV_ACT_LEN;
- Data[10] = (unsigned char)(usIPV_ACT_LEN >> 8);
- Data[11] = 0;
- RTDWrite(Data);
- // Set window size before scale-up
- Data[0] = 7;
- Data[1] = Y_INC;
- Data[2] = DRW_BSU_40;
- if (ucOption & 0x08)
- {
- // H scale-down
- Data[3] = (unsigned char)Mode_Preset[ucMode_Curr][1];
- Data[4] = (unsigned char)(Mode_Preset[ucMode_Curr][1] >> 8);
- }
- else
- {
- // No H scale-down
- Data[3] = Data[5]; // (unsigned char)usIPH_ACT_WID;
- Data[4] = Data[6]; // (unsigned char)(usIPH_ACT_WID >> 8);
- }
- if (ucOption & 0x02)
- {
- // V scale-down
- Data[5] = (unsigned char)usDispLen;
- Data[6] = (unsigned char)(usDispLen >> 8);
- }
- else
- {
- // No V scale-down
- Data[5] = Data[9]; // (unsigned char)usIPV_ACT_LEN;
- Data[6] = Data[10]; // (unsigned char)(usIPV_ACT_LEN >> 8);
- }
- Data[7] = 0;
- RTDWrite(Data);
- // Config scaling
- if (ucOption & 0x0a)
- RTDSetBit(SD_CTRL_70, 0xff, 0x01); // Turn on scale-down
- else
- RTDSetBit(SD_CTRL_70, 0xfe, 0x00); // Turn off scale-down
- if (ucOption & 0x01)
- RTDSetBit(SCALE_CTRL_15, 0xff, 0x02); // Turn on V scale-up
- else
- RTDSetBit(SCALE_CTRL_15, 0xfd, 0x00); // Turn off V scale-up
- if (ucOption & 0x04)
- RTDSetBit(SCALE_CTRL_15, 0xff, 0x01); // Turn on H scale-up
- else
- RTDSetBit(SCALE_CTRL_15, 0xfe, 0x00); // Turn off H scale-up
- // Set scale-down coefficient
- Data[0] = 7;
- Data[1] = Y_INC;
- Data[2] = H_SCALE_DL_71;
- if (ucOption & 0x08) // H scale-down
- {
- // Data[12~15]
- ((unsigned long *)Data)[3] = (unsigned long)256 * 4096 * usIPH_ACT_WID / Mode_Preset[ucMode_Curr][1];
- // Data[4~5]
- ((unsigned int *)Data)[2] = (((unsigned long *)Data)[3] >> 8) + 2;
- // H scale-down factor is stored in Data[4] (high-byte) and Data[5] (low-byte)
- Data[3] = Data[5];
- RTDSetBit(VGIP_CTRL_04, 0xff, 0x40); // Enable H scale-down compensation
- }
- else
- {
- Data[3] = 0x00;
- Data[4] = 0x10;
- RTDSetBit(VGIP_CTRL_04, 0xbf, 0x00); // Diable H scale-down compensation
- }
- if (ucOption & 0x02) // V scale-down
- {
- // Data[12~15]
- ((unsigned long *)Data)[3] = (unsigned long)256 * 4096 * usIPV_ACT_LEN / usDispLen;
- // Data[6~7]
- ((unsigned int *)Data)[3] = (((unsigned long *)Data)[3] >> 8);
- if (0 == Data[15]) ((unsigned int *)Data)[3] = ((unsigned int *)Data)[3] - 1;
- // V scale-down factor is stored in Data[6] (high-byte) and Data[7] (low-byte)
- Data[5] = Data[7];
- RTDSetBit(VGIP_CTRL_04, 0xff, 0x80); // Enable V scale-down compensation
- }
- else
- {
- Data[5] = 0x00;
- Data[6] = 0x10;
- RTDSetBit(VGIP_CTRL_04, 0x7f, 0x00); // Diable V scale-down compensation
- }
- Data[7] = 0;
- RTDWrite(Data);
- // Set scale-up coefficient
- Data[0] = 8;
- Data[1] = Y_INC;
- Data[2] = HOR_SCA_16;
- if (ucOption & 0x04) // H scale-up
- {
- // Data[12~15]
- ((unsigned long *)Data)[3] = (unsigned long)2 * 262144 * usIPH_ACT_WID / Mode_Preset[ucMode_Curr][1];
- ((unsigned long *)Data)[3] = ((((unsigned long *)Data)[3] >> 1) + (((unsigned long *)Data)[3] & 0x01)) << 6;
- Data[3] = Data[14];
- Data[4] = Data[13];
- Data[7] = Data[15];
- }
- else
- {
- Data[3] = 0xff;
- Data[4] = 0xff;
- Data[7] = 0;
- }
- if (ucOption & 0x01) // V scale-up
- {
- // Data[12~15]
- ((unsigned long *)Data)[3] = (unsigned long)2 * 262144 * usIPV_ACT_LEN / usDispLen;
- ((unsigned long *)Data)[3] = ((((unsigned long *)Data)[3] >> 1) + (((unsigned long *)Data)[3] & 0x01)) << 6;
- Data[5] = Data[14];
- Data[6] = Data[13];
- Data[7] = Data[7] | (Data[15] >> 4);
- }
- else
- {
- Data[5] = 0xff;
- Data[6] = 0xff;
- }
- Data[8] = 0;
- RTDWrite(Data);
- // Set RTD display
- // Switch to FrameSync 1 mode and diable display
- RTDSetByte(VDIS_CTRL_20, 0x28 | DISP_BIT | DISPLAY_PORT);
- Data[0] = 5;
- Data[1] = Y_INC;
- #if (DISP_ALIGN)
- Data[2] = DH_ACT_STA_27;
- // DH_ACT_STA store in Data[4~5] (H~L)
- ((unsigned int *)Data)[2] = (unsigned int)DH_ACT_END_POS - Mode_Preset[ucMode_Curr][1];
- Data[3] = Data[5];
- #else
- Data[2] = DH_ACT_END_29;
- // DH_ACT_STA store in Data[4~5] (H~L)
- ((unsigned int *)Data)[2] = (unsigned int)DH_ACT_STA_POS + Mode_Preset[ucMode_Curr][1];
- Data[3] = Data[5];
- #endif
- Data[5] = 5;
- Data[6] = Y_INC;
- Data[7] = DV_ACT_END_34;
- // DV_ACT_END store in Data[10~11] (H~L)
- ((unsigned int *)Data)[5] = (unsigned int)DV_ACT_STA_POS + usDispLen;
- Data[8] = Data[11];
- Data[9] = Data[10];
- Data[10] = 0;
- RTDWrite(Data);
- // Get standard DH_TOTAL
- usDH_Total = Mode_Preset[ucMode_Curr][0];
- // Switch to FrameSync 1 mode and enable display
- // if (PANEL_OFF == bPANEL_PWR)
- if (_OFF == bPanel_Status)
- RTDSetByte(VDIS_CTRL_20, 0x29 | DISP_BIT | DISPLAY_PORT);
- else
- RTDSetByte(VDIS_CTRL_20, 0x2b | DISP_BIT | DISPLAY_PORT);
- if (Mode_Preset[ucMode_Curr][3])
- {
- // Use preset DCLK M/N code
- Data[0] = 6;
- Data[1] = Y_INC;
- Data[2] = DPLL_CTRL_D0;
- Data[3] = 0x11;
- Data[4] = (unsigned char)(Mode_Preset[ucMode_Curr][3] >> 8);
- Data[5] = (unsigned char)Mode_Preset[ucMode_Curr][3];
- Data[6] = 0;
- RTDWrite(Data);
- }
- else
- {
- /*
- if (VGA_Mode[ucMode_Curr][4])
- {
- ((unsigned int *)Data)[0] = (unsigned long)8 * usDH_Total * USER_MODE_NCODE * usDispLen
- / ((unsigned long)usIPV_ACT_LEN * VGA_Mode[ucMode_Curr][4]);
- }
- else
- {
- */
- ((unsigned int *)Data)[0] = (unsigned long)8 * usDH_Total * USER_MODE_NCODE * usDispLen
- / ((unsigned long)usIPV_ACT_LEN * usHsync);
- // }
- //Original Formula : DPM/Ich = 17.6 must be constant
- //Ich = DPM * 10 / 176
- //2*Ich = DPM * 20 / 176 , set D0[0] to 0, then I = 2 * Ich
- //I = 2 * Ich = 2.5u + D0[3]*2.5u + D0[4]*5u + D0[5]*10u + D0[6]*20u + D0[7]*30u(A)
- //2I = 4 * Ich = 5u + D0[3]*5u + D0[4]*10u + D0[5]*20u + D0[6]*40u + D0[7]*60u(A)
- Data[15] = ((unsigned int *)Data)[0] >> 2;
- Data[5] = (unsigned int)Data[15] * 40 / 176 - 5; //Calculate the 4*Ich,
- Data[6] = 0x00;
- if(Data[5] > 60)
- {
- Data[5] -= 60;
- Data[6] |= 0x80;
- }
- if(Data[5] > 40)
- {
- Data[5] -= 40;
- Data[6] |= 0x40;
- }
-
- if(Data[5] > 20)
- {
- Data[5] -= 20;
- Data[6] |= 0x20;
- }
- if(Data[5] > 10)
- {
- Data[5] -= 10;
- Data[6] |= 0x10;
- }
- if(Data[5] > 5)
- {
- Data[5] -= 5;
- Data[6] |= 0x08;
- }
-
- Data[0] = 7;
- Data[1] = Y_INC;
- Data[2] = DPLL_CTRL_D0;
- Data[3] = Data[6];
- Data[4] = Data[15] - 2;
- Data[5] = 0x10 | (USER_MODE_NCODE - 2);//Offset Frequency Direction set to Downward
- //Data[5] = (USER_MODE_NCODE - 2);//Offset Frequency Direction set to Downward
- Data[6] = 0x04;
- Data[7] = 0;
- RTDWrite(Data);
-
- // ucDebug_Value0 = Data[4];
- // ucDebug_Value1 = Data[5];
-
- //More precise Dclk in KHz
- ((unsigned long*)Data)[0] = (unsigned long)24576000 / usIPV_ACT_LEN * usDispLen / usHsync * usDH_Total ;
- //((unsigned long*)Data)[0] = (unsigned long)49152000 / usIPV_ACT_LEN * usDispLen / usHsync * usDH_Total ;
- //set M/N code Dclk
- ((unsigned long*)Data)[1] = (unsigned long)12288000 * (Data[15] + 1) / USER_MODE_NCODE;
- //((unsigned long*)Data)[1] = (unsigned long)24576000 * (Data[15] + 1) / USER_MODE_NCODE;
- ((unsigned long*)Data)[2] = ((unsigned long*)Data)[1] - ((unsigned long*)Data)[0]; //Dclk offset
- ((unsigned long*)Data)[3] = ((unsigned long*)Data)[1] >> 15; //Offset resolution equal to (Dclk / 2^15)
-
- ((unsigned long*)Data)[3] = ((((unsigned long*)Data)[2] << 1)/ ((unsigned long*)Data)[3]) & 0x00000fff; //Calculate the Dclk offset
- //((unsigned long*)Data)[3] = (((unsigned long*)Data)[2] / ((unsigned long*)Data)[3]) & 0x00000fff; //Calculate the Dclk offset
- RTDSetByte(DCLK_OFFSET_LSB_9A,(unsigned char)((unsigned long*)Data)[3]); //Set the Dclk offset
- // ucDebug_Value0 = (unsigned char)(((unsigned long*)Data)[3]);
- //RTDSetBit(DCLK_OFFSET_MSB_9B,0xf0,(unsigned char)(((unsigned long*)Data)[3] >> 8) | 0x20);
- RTDSetBit(DCLK_OFFSET_MSB_9B,0xf0,(unsigned char)(((unsigned long*)Data)[3] >> 8) | 0x20);
- // ucDebug_Value1 = (unsigned char)((((unsigned long*)Data)[3] >> 8) | 0x20);
- RTDSetBit(FX_LST_LEN_H_5A,0xff,0x08); //Enable DDS Spread Spectrum Output Function
- RTDSetBit(DPLL_N_D2,0xff,0x20); //DPLL Spread Spectrum Enable
- RTDSetBit(DPLL_FILTER_D3,0x7f,0x00); //Enable DPll output
- }
-
-
- //usDH_Total = usDH_Total - 2;
- // Set DH_TOTAL
- Data[0] = 5;
- Data[1] = Y_INC;
- Data[2] = DH_TOTAL_22;
- Data[3] = (unsigned char)(usDH_Total - 2);
- Data[4] = (unsigned char)((usDH_Total - 2) >> 8);
- Data[5] = 0;
- RTDWrite(Data);
- //Calculate DV_TOTAL
- if((ucOption & 0x01) || (ucOption & 0x02)) // V scale up or scale down
- {
- #if(DISP_SIZE == DISP_800x600)
- usDV_Total = (unsigned long)usVsync * 600 / (unsigned long)usIPV_ACT_LEN + 64;
- #endif
- #if(DISP_SIZE == DISP_1024x768)
- usDV_Total = (unsigned long)usVsync * 768 / (unsigned long)usIPV_ACT_LEN + 64;
- #endif
- #if(DISP_SIZE == DISP_1280x1024)
- usDV_Total = (unsigned long)usVsync * 1024 / (unsigned long)usIPV_ACT_LEN + 64;
- #endif
-
-
- }
- else
- usDV_Total = usVsync + 64;
- //Set DV_TOTAL
- Data[0] = 5;
- Data[1] = Y_INC;
- Data[2] = DV_TOTAL_2D;
- Data[3] = (unsigned char)usDV_Total;
- Data[4] = (unsigned char)((usDV_Total >> 8) & 0x07);
- Data[5] = 0;
- RTDWrite(Data);
- // Calculate suitable IVS to DVS delay
- // CR[38] : IVS to DVS delay in IHS lines
- // CR[1E] : IVS to DVS delay in ICLK * 16
- ((unsigned int *)Data)[0] = (unsigned long)32 * DV_ACT_STA_POS * usIPV_ACT_LEN / usDispLen;
- if (ucOption & 0x01)
- {
- if ((usIPV_ACT_STA + 1) < (((unsigned int *)Data)[0] >> 5))
- {
- // You should never get into this code ....
- usIPV_ACT_STA = (((unsigned int *)Data)[0] >> 5) - 1;
- RTDSetByte(IPV_ACT_STA_0A, (unsigned char)usIPV_ACT_STA);
- RTDSetByte(IPV_ACT_STA_0A + 1, (unsigned char)(usIPV_ACT_STA >> 8));
- }
- ucDV_Delay = usIPV_ACT_STA + 2 - (((unsigned int *)Data)[0] >> 5); // V scale-up. Target 2.5~2.6 IHS delay
- // Too large IVS to DVS delay (2 + (22 / 32) = 86/32 = 2.6875 IHS); decrese ucDV_Delay
- if (22 < (((unsigned int *)Data)[0] & 0x001f)) ucDV_Delay -= 1;
- ((unsigned int *)Data)[0] = ((unsigned int *)Data)[0] + (ucDV_Delay * 32) - (usIPV_ACT_STA * 32);
- if (79 <= ((unsigned int *)Data)[0])
- {
- // Suitable IVS to DVS delay (79 / 32 = 2.46875). Fine-delay (CR[1E]) is not necessary
- RTDSetByte(FS_FT_DELAY_1E, 0x00); // Disable fine-tune delay
- }
- else
- {
- // Fine tuning (CR[1E]) IVS to DVS delay to 2.5 (80/32) IHS.
- // Original Formula : Data[0] = usADC_Clock * ((80 - x) / 32) / 16
- Data[0] = (unsigned long)usADC_Clock * (80 - ((unsigned int *)Data)[0]) / 512;
- RTDSetByte(FS_FT_DELAY_1E, Data[0]); // Enable fine-tune delay
- }
- }
- else
- {
- #if (FULL_LINE_BUFFER)
- if ((usIPV_ACT_STA + 3) < (((unsigned int *)Data)[0] >> 5))
- {
- // You should never get into this code ....
- usIPV_ACT_STA = (((unsigned int *)Data)[0] >> 5) - 3;
- RTDSetByte(IPV_ACT_STA_0A, (unsigned char)usIPV_ACT_STA);
- RTDSetByte(IPV_ACT_STA_0A + 1, (unsigned char)(usIPV_ACT_STA >> 8));
- }
- ucDV_Delay = usIPV_ACT_STA + 3 - (((unsigned int *)Data)[0] >> 5); // V no scale-up. Target 3.8~4.0 IHS delay
- ((unsigned int *)Data)[0] = ((unsigned int *)Data)[0] + (ucDV_Delay * 32) - (usIPV_ACT_STA * 32);
- if (121 <= ((unsigned int *)Data)[0])
- {
- // Suitable IVS to DVS delay (121 / 32 = 3.78125). Fine-delay (CR[1E]) is not necessary
- RTDSetByte(FS_FT_DELAY_1E, 0x00); // Disable fine-tune delay
- }
- else
- {
- // Fine tuning (CR[1E]) IVS to DVS delay to 3.8 (122/32) IHS.
- // Original Formula : Data[0] = usADC_Clock * ((122 - usScaleFactor) / 32) / 16
- Data[0] = (unsigned long)usADC_Clock * (122 - ((unsigned int *)Data)[0]) / 512;
- RTDSetByte(FS_FT_DELAY_1E, Data[0]); // Enable fine-tune delay
- }
- #else
- if ((usIPV_ACT_STA + 1) < (((unsigned int *)Data)[0] >> 5))
- {
- // You should never get into this code ....
- usIPV_ACT_STA = (((unsigned int *)Data)[0] >> 5) - 1;
- RTDSetByte(IPV_ACT_STA_0A, (unsigned char)usIPV_ACT_STA);
- RTDSetByte(IPV_ACT_STA_0A + 1, (unsigned char)(usIPV_ACT_STA >> 8));
- }
- if (ucOption & 0x02)
- {
- // V scale-down
- ucDV_Delay = usIPV_ACT_STA + 1 - (((unsigned int *)Data)[0] >> 5); // V scale-down. Target 2.5~2.6 IHS delay
- ((unsigned int *)Data)[0] = ((unsigned int *)Data)[0] + (ucDV_Delay * 32) - (usIPV_ACT_STA * 32);
- if (81 <= ((unsigned int *)Data)[0])
- {
- // Suitable IVS to DVS delay (81 / 32 = 2.53125). Fine-delay (CR[1E]) is not necessary
- RTDSetByte(FS_FT_DELAY_1E, 0x00); // Disable fine-tune delay
- }
- else
- {
- // Fine tuning (CR[1E]) IVS to DVS delay to 2.5625 (82/32) IHS.
- // Original Formula : Data[0] = usADC_Clock * ((82 - x) / 32) / 16
- Data[0] = (unsigned long)usADC_Clock * (82 - ((unsigned int *)Data)[0]) / 512;
- RTDSetByte(FS_FT_DELAY_1E, Data[0]); // Enable fine-tune delay
- }
- }
- else
- {
- /*
- // V no scale-down
- ucDV_Delay = usIPV_ACT_STA + 1 - (((unsigned int *)Data)[0] >> 5); // V no scale-down. Target 1.5~1.6 IHS delay
- // Too large IVS to DVS delay (1 + (22 / 32) = 54/32 = 1.6875 IHS); decrese ucDV_Delay
- if (22 < (((unsigned int *)Data)[0] & 0x001f)) ucDV_Delay -= 1;
- ((unsigned int *)Data)[0] = ((unsigned int *)Data)[0] + (ucDV_Delay * 32) - (usIPV_ACT_STA * 32);
-
- if (47 <= ((unsigned int *)Data)[0])
- {
- // Suitable IVS to DVS delay (47 / 32 = 1.46875). Fine-delay (CR[1E]) is not necessary
- RTDSetByte(FS_FT_DELAY_1E, 0x00); // Disable fine-tune delay
- }
- else
- {
- // Fine tuning (CR[1E]) IVS to DVS delay to 1.5 (48/32) IHS.
- // Original Formula : Data[0] = usADC_Clock * ((48 - x) / 32) / 16
- Data[0] = (unsigned long)usADC_Clock * (48 - ((unsigned int *)Data)[0]) / 512;
- RTDSetByte(FS_FT_DELAY_1E, Data[0]); // Enable fine-tune delay
- }
- */
- // The code below is also fine (written by Forster)
- ucDV_Delay = usIPV_ACT_STA + 1 - (((unsigned int *)Data)[0] >> 5); // V no scale-up. Target 1.9 IHS delay
- ((unsigned int *)Data)[0] = ((unsigned int *)Data)[0] + (ucDV_Delay * 32) - (usIPV_ACT_STA * 32);
- if (61 <= ((unsigned int *)Data)[0])
- {
- // Suitable IVS to DVS delay (61 / 32 = 1.90625). Fine-delay (CR[1E]) is not necessary
- RTDSetByte(FS_FT_DELAY_1E, 0x00); // Disable fine-tune delay
- }
- else
- {
- // Fine tuning (CR[1E]) IVS to DVS delay to 1.9375 (62/32) IHS.
- // Original Formula : Data[0] = usADC_Clock * ((62 - usScaleFactor) / 32) / 16
- Data[0] = (unsigned long)usADC_Clock * (62 - ((unsigned int *)Data)[0]) / 512;
- RTDSetByte(FS_FT_DELAY_1E, Data[0]); // Enable fine-tune delay
- }
- }
- #endif
- }
- #if (FULL_LINE_BUFFER)
- // Turn on full-line buffer when no V scale-up
- RTDSetBit(OP_CRC_CTRL_68, 0xfc, (ucOption & 0x01) ? 0x00 : 0x02);
- #else
- RTDSetBit(OP_CRC_CTRL_68, 0xfc, 0x00);
- #endif
- // Set ucDV_Delay
- RTDSetByte(IV_DV_LINES_38, ucDV_Delay);
- RTDSetByte(STATUS0_01, 0x00); // Clear status
- RTDSetByte(STATUS1_1F, 0x00); // Clear status
- // Switch to FrameSync 1 mode and enable display
- // if (PANEL_OFF == bPANEL_PWR)
- // RTDSetByte(VDIS_CTRL_20, 0x29 | DISP_BIT | DISPLAY_PORT);
- // else
- // RTDSetByte(VDIS_CTRL_20, 0x2b | DISP_BIT | DISPLAY_PORT);
- // Input Run Enable
- RTDSetBit(VGIP_CTRL_04, 0xff, 0x01);
- }
- void Display_VGA_Set(void)
- {
- unsigned char Wait_Time_Cnt;
- // unsigned char ucI_Corr0,ucI_Corr1;
- Initial_Mode();
- Sharpness();
- if((usIPH_ACT_WID == 1280) && (DISP_SIZE == DISP_1280x1024) && (stGUD1.FILTER == 0x02))
- RTDSetBit(SCALE_CTRL_15, 0xff, 0x01); // Turn on H scale-up
-
- PowerDown_ADC();
- //Device_Power(ADC_POWER,OFF);
- // Set user's ADC gain and offset settings
- SetADC_GainOffset();
- Set_Gamma();
- Set_Dithering();
- Set_Bright_Contrast();
- // Sharpness();
- Load_MUD(ucMode_Curr); // Read mode default settings from 24C04
- // For jitter adjust
- ucPE_Level = 0;
- // ucPE_Count = 0;
- // Check Clock
- if (28 > stMUD.CLOCK || 228 < stMUD.CLOCK) stMUD.CLOCK = 128;
-
- // Update Clock Twice
- Set_Clock();
- // Calculate the P correction and I correction according to the CE value
- Delay_Xms(6);
- if(ucCE_Value == 0)
- {
- RTDRead(I_CODE_MB_CA,1,N_INC);
- RTDSetByte(I_CODE_MB_CA, 0x0d);
- Delay_Xms(4);
- RTDRead(PLL_CALIBRATION_CE,1,N_INC);
- ucP_Corr = (unsigned char)((unsigned int)(Data[0] * 200) >> (29 - P_Code));
- ucCE_Value = Data[0]; //CE value
- }
- if(ucI_Code == 0)
- Adjust_I_Code();
-
-
- Set_Clock();
- // Check Phase
- // stMUD.PHASE &= 0x7c; // Phase 0~31
- // Update Phase
- // Set_Phase(stMUD.PHASE);
- ucH_Max_Margin = 128 + 50;
- ucH_Min_Margin = 128 - 50;
-
- //Read the usIPH_ACT_STA offset
- I2CRead(ADDR_EROM1,(ucMode_Curr - 1),0x01);
- if(Data[0] > 228)
- Data[0] = 0;
- usIPH_ACT_STA = (Data[0] & 0x80) ? usIPH_ACT_STA - 50 - (Data[0] - 0x80) : usIPH_ACT_STA + Data[0] - 50;
-
- Data[0] = 5;
- Data[1] = Y_INC;
- Data[2] = IPH_ACT_STA_06;
- Data[3] = (unsigned char)usIPH_ACT_STA;
- Data[4] = (unsigned char)(usIPH_ACT_STA >> 8);
- Data[5] = 0;
- RTDWrite(Data);
- // Check H-Position
- if (ucH_Max_Margin < stMUD.H_POSITION)
- stMUD.H_POSITION = ucH_Max_Margin;
- else if (ucH_Min_Margin > stMUD.H_POSITION)
- stMUD.H_POSITION = ucH_Min_Margin;
- // Update H-Position
- Set_H_Position();
- // Check Phase
- stMUD.PHASE &= 0x7c; // Phase 0~31
- // Update Phase
- Set_Phase(stMUD.PHASE);
- // Start auto-tracking function once
- RTDSetByte(AUTO_ADJ_CTRL_7F, 0x01);
- Delay_Xms(40);
- // Force to stop auto-tracking function
- RTDSetByte(AUTO_ADJ_CTRL_7F, 0x00);
- Delay_Xms(40);
- // Measure actual number of scan line in each frame
- Data[0] = 14;
- Data[1] = Y_INC;
- Data[2] = H_BND_STA_L_75;
- Data[3] = 0x00;
- Data[4] = 0xff;
- Data[5] = 0x07;
- Data[6] = 0x00;
- Data[7] = 0x00;
- Data[8] = 0x00;
- Data[9] = 0x00;
- Data[10] = 0x00;
- Data[11] = 0x00;
- Data[12] = 0x00;
- Data[13] = 0x01;
- Data[14] = 0;
- RTDWrite(Data);
- Wait_Time_Cnt = 60; // Tracking timeout 60ms
- do
- {
- Delay_Xms(1);
- RTDRead(AUTO_ADJ_CTRL_7F, 0x01, N_INC);
- }
- while ((Data[0] & 0x01) && (--Wait_Time_Cnt));
- RTDSetByte(AUTO_ADJ_CTRL_7F, 0x00);
-
- if (Wait_Time_Cnt)
- {
- RTDRead(VER_START_80, 0x04, Y_INC);
- Data[0] = Data[3] & 0x0f;
- Data[1] = Data[2];
- usVer_End = (usVsync < ((unsigned int *)Data)[0]) ? ((unsigned int *)Data)[0] : usVsync;
- }
- else
- {
- usVer_End = usVsync;
- }
- // Update to reasonable usIPV_ACT_STA for user mode
- if (MODE_USER720x400 <= ucMode_Curr)
- {
- ((unsigned int *)Data)[0] = usVer_End - VGA_Mode[ucMode_Curr][2];
- if (254 < ((unsigned int *)Data)[0] + ucDV_Delay) ((unsigned int *)Data)[0] = 254 - ucDV_Delay;
- usIPV_ACT_STA += ((unsigned int *)Data)[0];
- ucDV_Delay += ((unsigned int *)Data)[0];
- }
- // Set the ucV_Min_Margin/ucV_Max_Margin
- ucV_Min_Margin = (128 < usIPV_ACT_STA) ? 0 : 128 - usIPV_ACT_STA + 1;
- if ((128 - 50) > ucV_Min_Margin) ucV_Min_Margin = 128 - 50;
- ((unsigned int *)Data)[0] = (usVer_End + 128 - 2) - (usIPV_ACT_STA + usIPV_ACT_LEN);
- ucV_Max_Margin = (((unsigned int *)Data)[0] > 0x00ff) ? 0xff : ((unsigned int *)Data)[0];
- // Check ucV_Min_Margin/ucV_Max_Margin :
- // ucDV_Delay can only range from 0 to 254
- // Original Formula :
- // 128 - ucV_Min_Margin >= ucDV_Delay
- // ucV_Max_Margin - 128 >= 254 - ucDV_Delay
- if ((unsigned int)128 > ((unsigned int)ucV_Min_Margin + ucDV_Delay)) ucV_Min_Margin = 128 - ucDV_Delay;
- if ((unsigned int)382 < ((unsigned int)ucV_Max_Margin + ucDV_Delay)) ucV_Max_Margin = 382 - ucDV_Delay;
- if ((128 + 50) < ucV_Max_Margin) ucV_Max_Margin = 128 + 50;
- // Check V-Position
- if (ucV_Min_Margin > stMUD.V_POSITION)
- stMUD.V_POSITION = ucV_Min_Margin;
- else if ((unsigned int)256 - ucV_Min_Margin < stMUD.V_POSITION)
- stMUD.V_POSITION = (unsigned int)256 - ucV_Min_Margin;
- // Update V-Position
- Set_V_Position();
- // Re-calculate actual refresh rate
- ((unsigned long *)Data)[0] = (unsigned long)usHsync * usVer_End;
- ucRefresh = (unsigned long)49152000 / ((unsigned long *)Data)[0];
- ucRefresh = (ucRefresh & 0x01) ? ((ucRefresh + 1) >> 1) : (ucRefresh >> 1);
-
- if(ucRefresh > V_OVERSPEC_FREQ)
- bOverSpec = _TRUE;
- if((unsigned int)24576/usHsync > H_OVERSPEC_FREQ)
- bOverSpec = _TRUE;
- Data[0] = Frame_Sync();
- if (1 == Data[0])
- {
- Delay_Xms(10);
- Data[0] = Frame_Sync(); // Fail. Try again
- }
- bFrameSync = Data[0] ? 0 : 1; // 0 : fail, 1 : pass
- ucSyncErrorCnt = 0;
- RTDSetBit(OVL_CTRL_6D,0x3f,0x00);
- RTDSetByte(BGCOLOR_CONTROL_6C,0x00);
- RTDSetBit(OVL_CTRL_6D,0x3f,0x40);
- RTDSetByte(BGCOLOR_CONTROL_6C,0x00);
- RTDSetBit(OVL_CTRL_6D,0x3f,0x80);
- RTDSetByte(BGCOLOR_CONTROL_6C,0x00);
- // RTDSetBit(VDIS_CTRL_20, 0x5f, DHS_MASK); // Normal display
- RTDSetBit(VDIS_CTRL_20, 0x7f, 0x20 | DHS_MASK); // Normal display
- #if(AS_PLL_NONLOCK)
- if(bFrameSync)
- RTDSetBit(ODD_CTRL_8E,0xdf,0x20);
- #endif
- }
- void Display_DVI_Set(void)
- {
- #if(TMDS_ENABLE)
- unsigned char Wait_Time_Cnt;
- Initial_Mode();
- // Set the ucV_Min_Margin/ucV_Max_Margin
- ucV_Min_Margin = (128 < usIPV_ACT_STA) ? 0 : 128 - usIPV_ACT_STA + 1;
- // Use Data[8],Data[9] as a temporary 16-bit variable.
- ((unsigned int *)Data)[4] = (usVsync + 128 - 2) - (usIPV_ACT_STA + usIPV_ACT_LEN);
- ucV_Max_Margin = (0x00ff < ((unsigned int *)Data)[4]) ? 0xff : ((unsigned int *)Data)[4];
- // Check ucV_Min_Margin/ucV_Max_Margin :
- // ucDV_Delay can only range from 0 to 254
- // Original Formula :
- // 128 - ucV_Min_Margin <= ucDV_Delay
- // ucV_Max_Margin - 128 <= 254 - ucDV_Delay
- if ((unsigned int)128 > ((unsigned int)ucV_Min_Margin + ucDV_Delay)) ucV_Min_Margin = 128 - ucDV_Delay;
- if ((unsigned int)382 < ((unsigned int)ucV_Max_Margin + ucDV_Delay)) ucV_Max_Margin = 382 - ucDV_Delay;
- // Read mode default settings from 24C04
- Load_MUD(ucMode_Curr);
- Set_Gamma();
- Set_Dithering();
- Set_Bright_Contrast();
- Sharpness();
- // Issac :
- // RTD controller can support both digital mode and analog mode to capture input image data.
- // In digital mode, input image data is captured according to input data enable (IDEN) signal;
- // In analog mode, input image data is captured according to capture window settings;
- // Although can support both of them, I always use analog mode to capture input image in this F/W.
- // Because RTD controller can measure the position and size of IDEN signal, we can just set our
- // capture window to be the same size and position as IDEN.
- Data[0] = 14;
- Data[1] = Y_INC;
- Data[2] = H_BND_STA_L_75;
- Data[3] = 0x02;
- Data[4] = usADC_Clock - 2;
- Data[5] = (usADC_Clock - 2) >> 8;
- Data[6] = 0x02;
- Data[7] = usVsync - 2;
- Data[8] = (usVsync - 2) >> 8;
- Data[9] = 0;
- Data[10] = 0;
- Data[11] = 0;
- Data[12] = 0;
- Data[13] = 0x81; // Measure IDEN position
- Data[14] = 0;
- RTDWrite(Data);
- Wait_Time_Cnt = 60; // Tracking timeout 60ms
- do
- {
- Delay_Xms(1);
- RTDRead(AUTO_ADJ_CTRL_7F, 0x01, N_INC);
- }
- while ((Data[0] & 0x01) && (--Wait_Time_Cnt));
-
- if (0 == Wait_Time_Cnt)
- {
- RTDSetByte(AUTO_ADJ_CTRL_7F, 0x00);
- Reset_Mode();
- }
- else
- {
- // Read IDEN position information
- RTDRead(VER_START_80, 0x08, Y_INC);
-
- // IDEN horizontal Start
- usIPH_ACT_STA = (unsigned int)Data[4] + ((unsigned int)Data[5] << 8) - 2;
- // IDEN vertical Start
- ((unsigned int *)Data)[0] = (unsigned int)Data[0] + ((unsigned int)Data[1] << 8) - 1;
- if (((unsigned int *)Data)[0] > (usIPV_ACT_STA + ucV_Max_Margin - 0x80))
- {
- ((unsigned int *)Data)[1] = (usVsync + 128 - 2) - (usIPV_ACT_STA + usIPV_ACT_LEN); // Actual V max. Margin
- ucDV_Delay = (unsigned char)((unsigned int)ucDV_Delay + ucV_Max_Margin - 0x80);
- usIPV_ACT_STA = usIPV_ACT_STA + ucV_Max_Margin - 0x80;
- if (ucV_Max_Margin < ((unsigned int *)Data)[1])
- {
- // We have to increase IVS delay to fix ucV_Max_Margin
- if ((((unsigned int *)Data)[1] - ucV_Max_Margin) >= (((unsigned int *)Data)[0] - usIPV_ACT_STA))
- ((unsigned int *)Data)[1] = ((unsigned int *)Data)[0] - usIPV_ACT_STA + PROGRAM_VDELAY;
- else
- ((unsigned int *)Data)[1] = usIPV_ACT_STA + ((unsigned int *)Data)[1] - ucV_Max_Margin + PROGRAM_VDELAY;
- if (126 < ((unsigned int *)Data)[1]) ((unsigned int *)Data)[1] = 126;
- RTDSetByte(IVS_DELAY_8C, 0x80 | ((unsigned int *)Data)[1]);
- }
- }
- else if (((unsigned int *)Data)[0] < (usIPV_ACT_STA + ucV_Min_Margin - 0x80))
- {
- ucDV_Delay = (unsigned char)((unsigned int)ucDV_Delay + ucV_Min_Margin - 0x80);
- usIPV_ACT_STA = usIPV_ACT_STA + ucV_Min_Margin - 0x80;
- ((unsigned int *)Data)[1] = usIPV_ACT_STA - ((unsigned int *)Data)[0];
- // We have to decrease IVS delay to fix ucV_Min_Margin
- if (PROGRAM_VDELAY <= ((unsigned int *)Data)[1])
- RTDSetByte(IVS_DELAY_8C, 0x00);
- else
- RTDSetByte(IVS_DELAY_8C, 0x80 | (PROGRAM_VDELAY - ((unsigned int *)Data)[1]));
- }
- else
- {
- ucDV_Delay = ((unsigned int *)Data)[0] + ucDV_Delay - usIPV_ACT_STA ;
- usIPV_ACT_STA = ((unsigned int *)Data)[0];
- }
- RTDRead(TMDS_CORRECTION_FF,0x01,N_INC);
- if(Data[0] & 0x03)
- usIPH_ACT_STA -= 14;//if TMDS error correction enable, then compensate the IPH_ACT_STA offset.
- Data[0] = 5;
- Data[1] = Y_INC;
- Data[2] = IPH_ACT_STA_06;
- Data[3] = (unsigned char)(usIPH_ACT_STA & 0x00ff);
- Data[4] = (unsigned char)((usIPH_ACT_STA >> 8) & 0x00ff);
- Data[5] = 5;
- Data[6] = Y_INC;
- Data[7] = IPV_ACT_STA_0A;
- Data[8] = (unsigned char)(usIPV_ACT_STA & 0x00ff);
- Data[9] = (unsigned char)((usIPV_ACT_STA >> 8) & 0x00ff);
- Data[10] = 4;
- Data[11] = N_INC;
- Data[12] = IV_DV_LINES_38;
- Data[13] = ucDV_Delay;
- Data[14] = 0;
- RTDWrite(Data);
- Wait_For_Event(EVENT_DVS);
- Data[0] = Frame_Sync();
-
- if (1 == Data[0]) Data[0] = Frame_Sync(); // Fail. Try again
- bFrameSync = Data[0] ? 0 : 1; // 0 : fail, 1 : pass
- ucSyncErrorCnt = 0;
- //RTDSetBit(VDIS_CTRL_20, 0x5f, DHS_MASK); // Normal display
- RTDSetBit(VDIS_CTRL_20, 0x7f, 0x20 | DHS_MASK); // Normal display
- }
- #else
- Seek_DVI_Mode(0);
- #endif
- }
- void Set_Video_Mode(void)
- {
- #if(VIDEO_CHIP != VDC_NONE)
- #if (VIDEO_CHIP == VDC_SAA7114 || VIDEO_CHIP == VDC_SAA7115 || VIDEO_CHIP == VDC_SAA7118)
- I2CWrite(V_DISABLE);
- I2CWrite(VIDEO_ALL);
- I2CWrite((ucAV_Mode & 0x02) ? VIDEO_50 : VIDEO_60);
- #endif
- RTDCodeW((ucAV_Mode & 0x02) ? RTD_VIDEO_50 : RTD_VIDEO_60);
- // if (PANEL_OFF == MCU_ReadPanelPower())
- if (OFF == bPanel_Status)
- {
- RTDSetByte(VDIS_SIGINV_21, 0x00 | DISP_EO_SWAP | DISP_RB_SWAP | DISP_ML_SWAP); // DHS, DVS, DEN, DCLK MUST NOT be inverted.
- RTDSetBit(VDIS_CTRL_20, 0xfd, 0x01); // DHS, DVS, DEN, DCLK and data are clamped to 0
- }
- //#if (SPREAD_SPECTRUM)
- // RTDSetBit(DPLL_CTRL_D0, 0x01, 0x08);
- // RTDRead(DPLL_M_D1, 0x01, Y_INC);
- // if (0xd2 < Data[0])
- // Data[1] = 0x09;
- // else if (0x8d < Data[0])
- // Data[1] = 0x0a;
- // else if (0x6d < Data[0])
- // Data[1] = 0x0b;
- // else if (0x57 < Data[0])
- // Data[1] = 0x0c;
- // else if (0x47 < Data[0])
- // Data[1] = 0x0d;
- // else if (0x37 < Data[0])
- // Data[1] = 0x0e;
- // else
- // Data[1] = 0x0f;
- // RTDSetByte(DPLL_FILTER_D3, Data[1]);
- // RTDSetByte(DPLL_SSP_D4, 0xf7);
- //#endif
- #if (VIDEO_CHIP == VDC_SAA7118)
- if (SOURCE_YUV == (stGUD1.INPUT_SOURCE & 0x07))
- {
- I2CWrite(VIDEO_YUV);
- }
- else
- #endif
- {
- Data[0] = (SOURCE_SV == (stGUD1.INPUT_SOURCE & 0x07)) ? 0 : 1;
- switch (ucAV_Mode)
- {
- case 0x01: //(60Hz) NTSC-M, JAPAN(7111A)
- case 0x81: //(60Hz) Default
- I2CWrite(Data[0] ? AV_60_0 : SV_60_0);
- break;
- case 0x11: //(60Hz) PAL-4.43
- I2CWrite(Data[0] ? AV_60_1 : SV_60_1);
- break;
- case 0x21: //(60Hz) NTSC-4.43
- I2CWrite(Data[0] ? AV_60_2 : SV_60_2);
- break;
- case 0x31: //(60Hz) PAL-M
- I2CWrite(Data[0] ? AV_60_3 : SV_60_3);
- break;
- case 0x41: //(60Hz) NTSC-JAPAN(7114)
- I2CWrite(Data[0] ? AV_60_4 : SV_60_4);
- break;
- case 0x02: //(50Hz) PAL-BGHI
- case 0x82: //(50Hz) Default
- I2CWrite(Data[0] ? AV_50_0 : SV_50_0);
- RTDSetBit(VGIP_SIGINV_05,0xff,0x10);
- break;
- case 0x12: //(50Hz) NTSC-4.43
- I2CWrite(Data[0] ? AV_50_1 : SV_50_1);
- break;
- case 0x22: //(50Hz) PAL-N
- I2CWrite(Data[0] ? AV_50_2 : SV_50_2);
- break;
- case 0x32: //(50Hz) NTSC-N
- I2CWrite(Data[0] ? AV_50_3 : SV_50_3);
- break;
- case 0x42: //Reserved
- I2CWrite(Data[0] ? AV_50_4 : SV_50_4);
- break;
- case 0x03: //(50Hz) SECAM
- I2CWrite(Data[0] ? AV_SECAM : SV_SECAM);
- RTDSetBit(VGIP_SIGINV_05,0xff,0x10);
- break;
- default:
- break;
- }
- }
- #endif
- }
- void Display_Video_Set(void)
- {
- #if(VIDEO_CHIP != VDC_NONE)
- unsigned char ucCounter;
- Load_MUD(ucMode_Curr); // Read mode default settings from 24C04
- Set_Video_Mode();
- if (SOURCE_TV == (stGUD1.INPUT_SOURCE & 0x07)) I2CWrite(TV_SOURCE_SEL);
- // Read H,V Standard Start Position and H Width
- RTDRead(IPH_ACT_STA_06, 0x08, Y_INC);
- usIPH_ACT_STA = (unsigned int)Data[0] + ((unsigned int)Data[1] << 8);
- usIPH_ACT_STA = usIPH_ACT_STA & 0x07ff;
- usIPH_ACT_WID = (unsigned int)Data[2] + ((unsigned int)Data[3] << 8);
- usIPH_ACT_WID = usIPH_ACT_WID & 0x07ff;
- usIPV_ACT_STA = (unsigned int)Data[4] + ((unsigned int)Data[5] << 8);
- usIPV_ACT_STA = usIPV_ACT_STA & 0x07ff;
- usIPV_ACT_LEN = (unsigned int)Data[6] + ((unsigned int)Data[7] << 8);
- usIPV_ACT_LEN = usIPV_ACT_LEN & 0x07ff;
- // Read ucDH_TOTAL
- RTDRead(DH_TOTAL_22, 2, Y_INC);
- usDH_Total = ((unsigned int)(Data[1] & 0x07) << 8) + Data[0];
-
- // Read ucDV_Delay
- RTDRead(IV_DV_LINES_38, 1, N_INC);
- ucDV_Delay = Data[0];
- ucV_Max_Margin = 0x80;
- ucV_Min_Margin = 0x80;
- Set_Gamma();
- Set_Dithering();
- Set_Bright_Contrast();
- Sharpness();
- // Update VDC's Contrast/Brightness/Hue/Saturation
- SetVDC_Color();
- ucCounter = 28;
- do
- {
- RTDSetByte(SYNC_POR_4C, 0x00); // Reset Sync Processor
- Measure_Mode();
- Delay_Xms(80);
- RTDRead(SYNC_POR_4C, 0x05, Y_INC);
- if (Data[0] & 0x02)
- {
- usHsync = 0;
- usVsync = 0;
- }
- else
- {
- Data[5] = Data[3];
- Data[4] = Data[4] & 0x87;
- Data[3] = Data[1];
- Data[2] = Data[2] & 0x8f;
- usHsync = ((unsigned int *)Data)[1]; // Current usHsync timing
- usVsync = ((unsigned int *)Data)[2]; // Current usVsync timing
- if (0x07ff <= usHsync || 0x07ff <= usVsync || 0 == usHsync || 0 == usVsync)
- {
- usHsync = 0;
- usVsync = 0;
- }
- else
- {
- break;
- }
- }
- }
- while (--ucCounter);
- RTDSetByte(STATUS0_01, 0x00); // Clear status
- RTDSetByte(STATUS1_1F, 0x00); // Clear status
-
- Data[0] = Frame_Sync();
- if (1 == Data[0]) Data[0] = Frame_Sync(); // Fail. Try again
- bFrameSync = Data[0] ? 0 : 1; // 0 : fail, 1 : pass
-
- ucSyncErrorCnt = 0;
- // RTDSetBit(VDIS_CTRL_20, 0x5f, DHS_MASK); // Normal display
- RTDSetBit(VDIS_CTRL_20, 0x7f, 0x20 | DHS_MASK); // Normal display
- #else
- Set_Video_Mode();
- #endif
- }
- void Input_Mode_Detector(void)
- {
- RTDRead(SYNC_POR_4C, 0x01, N_INC);
-
- if (0 == (Data[0] & 0x02)) ucModeCnt = 0;
- if (ucModeCnt)
- {
- ucModeCnt -= 1;
- }
- else
- {
- ucModeCnt = MODE_DETECT_FREQ;
- #if(SOURCE_AUTO_SCAN)
- Source_Auto_Scan();
- #else
- Mode_Detector();
- #endif
-
- if (!bStable)
- {
- bReload = 1; // Reload user's font
- Set_Task(STATE_MODECHANGE); // Notify Task State Machine
- }
- }
- }