?? camif.c
字號(hào):
/************************************************************
File Name : camif.c
Descriptions
-S3C2440 camera test routines & basic libraries
History
- July 23, 2003. Draft Version 0.0 by purnnamu
- Janualy 15, 2004. Modifed by Boaz
Copyright 2004 SAMSUNG Electronics.
However, Anybody can use this code without our permission.
*************************************************************/
#include "def.h"
#include "option.h"
#include "2440addr.h"
#include "2440lib.h"
#include "camif.h"
#include "camproset.h" // for camera setting
extern unsigned char ucdragon_240_100[];
extern unsigned char xyx_240_320[];
//*****************************************************************************
#define MVAL (13)
#define MVAL_USED (0) //0=each frame 1=rate by MVAL
#define INVVDEN (1) //0=normal 1=inverted
#define BSWP (0) //Byte swap control
#define HWSWP (1) //Half word swap control
#define M5D(n) ((n) & 0x1fffff) // To get lower 21bits
//TFT 240320
#define LCD_XSIZE_TFT_240320 (320)
#define LCD_YSIZE_TFT_240320 (240)
//TFT 240320
#define SCR_XSIZE_TFT_240320 (320)
#define SCR_YSIZE_TFT_240320 (240)
//#define SCR_XSIZE_TFT_240320 (320)
//#define SCR_YSIZE_TFT_240320 (240)
//TFT240320
#define HOZVAL_TFT_240320 (LCD_XSIZE_TFT_240320-1)
#define LINEVAL_TFT_240320 (LCD_YSIZE_TFT_240320-1)
/*********************************************************
//Timing parameter for LCD LQ035Q7DB02
#define VBPD_240320 (4) //垂直同步信號(hào)的后肩
#define VFPD_240320 (4) //垂直同步信號(hào)的前肩
#define VSPW_240320 (4) //垂直同步信號(hào)的脈寬
#define HBPD_240320 (13) //水平同步信號(hào)的后肩
#define HFPD_240320 (4) //水平同步信號(hào)的前肩
#define HSPW_240320 (18) //水平同步信號(hào)的脈寬
#define CLKVAL_TFT_240320 (7)
*********************************************************/
/*********************************************************/
//WX3500B_M06
#define VBPD_240320 (14) //垂直同步信號(hào)的后肩
#define VFPD_240320 (11) //垂直同步信號(hào)的前肩
#define VSPW_240320 (2) //垂直同步信號(hào)的脈寬
#define HBPD_240320 (37) //水平同步信號(hào)的后肩
#define HFPD_240320 (19) //水平同步信號(hào)的前肩
#define HSPW_240320 (29) //水平同步信號(hào)的脈寬
#define CLKVAL_TFT_240320 (7)
/*********************************************************/
//FCLK=180MHz,HCLK=90MHz,VCLK=6.5MHz
// GPB1/TOUT1 for Backlight control(PWM)
#define GPB1_TO_OUT() (rGPBUP &= 0xfffd, rGPBCON &= 0xfffffff3, rGPBCON |= 0x00000004)
#define GPB1_TO_1() (rGPBDAT |= 0x0002)
#define GPB1_TO_0() (rGPBDAT &= 0xfffd)
volatile static unsigned short LCD_BUFFER_CAM[SCR_YSIZE_TFT_240320][SCR_XSIZE_TFT_240320];
//*****************************************************************************
volatile U32 camTestMode;
volatile U32 camCodecCaptureCount;
volatile U32 camPviewCaptureCount;
volatile U32 camCodecStatus;
volatile U32 camPviewStatus;
volatile U32 amount;
U32 save_GPJCON, save_GPJDAT, save_GPJUP;
U8 flagCaptured_P = 0;
U8 flagCaptured_C = 0;
int Test_OV9650(void); //hzh
/**************************************************************
LCD視頻和控制信號(hào)輸出或者停止，1開(kāi)啟視頻輸出
**************************************************************/
static void Lcd_EnvidOnOff(int onoff)
{
if(onoff==1)
rLCDCON1|=1; // ENVID=ON
else
rLCDCON1 =rLCDCON1 & 0x3fffe; // ENVID Off
}
/**************************************************************
320×240 8Bpp TFT LCD 電源控制引腳使能
**************************************************************/
static void Lcd_PowerEnable(int invpwren,int pwren)
{
//GPG4 is setted as LCD_PWREN
rGPGUP=rGPGUP&(~(1<<4))|(1<<4); // Pull-up disable
rGPGCON=rGPGCON&(~(3<<8))|(3<<8); //GPG4=LCD_PWREN
rGPGDAT = rGPGDAT | (1<<4) ;
// invpwren=pwren;
//Enable LCD POWER ENABLE Function
rLCDCON5=rLCDCON5&(~(1<<3))|(pwren<<3); // PWREN
rLCDCON5=rLCDCON5&(~(1<<5))|(invpwren<<5); // INVPWREN
}
//*****************************************************************************
static void LCD_LTS350Q1_PE1_Init(void)
{
//qjy: turn on the blacklight!
GPB1_TO_OUT();
GPB1_TO_1();
rGPCUP = 0x00000000;
rGPCCON = 0xaaaa02a9;
rGPDUP = 0x00000000;
rGPDCON=0xaaaaaaaa; //Initialize VD[15:8]
rLCDCON1=(CLKVAL_TFT_240320<<8)|(MVAL_USED<<7)|(3<<5)|(12<<1)|0;
// TFT LCD panel,12bpp TFT,ENVID=off
rLCDCON2=(VBPD_240320<<24)|(LINEVAL_TFT_240320<<14)|(VFPD_240320<<6)|(VSPW_240320);
rLCDCON3=(HBPD_240320<<19)|(HOZVAL_TFT_240320<<8)|(HFPD_240320);
rLCDCON4=(MVAL<<8)|(HSPW_240320);
rLCDCON5 = (1<<11) | (1<<10) | (1<<9) | (1<<8) | (0<<7) | (0<<6)
| (1<<3) |(BSWP<<1) | (HWSWP);
rLCDSADDR1=(((U32)LCD_BUFFER_CAM>>22)<<21)|M5D((U32)LCD_BUFFER_CAM>>1);
rLCDSADDR2=M5D( ((U32)LCD_BUFFER_CAM+(SCR_XSIZE_TFT_240320*LCD_YSIZE_TFT_240320*2))>>1 );
rLCDSADDR3=(((SCR_XSIZE_TFT_240320-LCD_XSIZE_TFT_240320)/1)<<11)|(LCD_XSIZE_TFT_240320/1);
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
rTCONSEL &= (~7) ; // Disable LPC3480
rTPAL=0; // Disable Temp Palette
LcdBkLtSet( 70 ) ;
Lcd_PowerEnable(0, 1);
Lcd_EnvidOnOff(1); //turn on vedio
}
//*****************************************************************************
static void Paint_Bmp(int x0,int y0,int h,int l,unsigned char bmp[])
{
int x,y;
U32 c;
int p = 0;
for( y = y0 ; y < l ; y++ )
{
for( x = x0 ; x < h ; x++ )
{
c = bmp[p+1] | (bmp[p]<<8) ;
if ( ( (x0+x) < SCR_XSIZE_TFT_240320) && ( (y0+y) < SCR_YSIZE_TFT_240320) )
LCD_BUFFER_CAM[y0+y][x0+x] = c ;
p = p + 2 ;
}
}
}
void Camera_Test(void)
{
Uart_Printf("\nCamera Preview Test\n");
// CamReset();
SetCAMClockDivider(CAMCLK24000000);
if( Test_OV9650() )
{
Uart_Printf("\nTest is failed!!!\n");
return ;
}
Uart_Printf("Initializing end...\n");
Test_CamPreview() ;
Uart_Printf("\nCamera Preview Test End\n");
rCLKCON &= ~(1<<19); // disable camclk
Lcd_Tft_LTS350Q1_PE1_Init() ;
}
void CamPortSet(void)
{
save_GPJCON = rGPJCON;
save_GPJDAT = rGPJDAT;
save_GPJUP = rGPJUP;
rGPJCON = 0x2aaaaaa;
rGPJDAT = 0;
rGPJUP = 0;
rGPGCON &= ~(3<<24);
rGPGCON |= 1<<24;
rGPGUP |= 1<<12;
rGPGDAT &= ~(1<<12);
}
void CamPortReturn(void)
{
rGPJCON = save_GPJCON;
rGPJDAT = save_GPJDAT;
rGPJUP = save_GPJUP;
}
void CamPreviewIntUnmask(void)
{
rINTSUBMSK &= ~(BIT_SUB_CAM_P);//INT CAMERA Port A ENABLE
rINTMSK &= ~(BIT_CAM);
}
void CamCodecIntUnmask(void)
{
rINTSUBMSK &= ~(BIT_SUB_CAM_C);//INT CAMERA Port B ENABLE
rINTMSK &= ~(BIT_CAM);
}
void CamPreviewIntMask(void)
{
rINTSUBMSK |= BIT_SUB_CAM_P;//INT CAMERA Port A ENABLE
rINTMSK |= (BIT_CAM);
}
void CamCodecIntMask(void)
{
rINTSUBMSK |= BIT_SUB_CAM_C;//INT CAMERA Port B ENABLE
rINTMSK |= (BIT_CAM);
}
/******************************************************
* *
* camera interface initialization *
* *
*******************************************************/
void CamReset(void)
{
rCIGCTRL |= (1<<31); //camera I/F soft reset
Delay(10);
rCIGCTRL &= ~(1<<31);
}
// 0:48MHz, 1:24MHz, 2:16MHz, 3:12MHz...
// Camera clock = UPLL/[(CAMCLK_DIV+1)X2]
void SetCAMClockDivider(int divn)
{
rCAMDIVN = (rCAMDIVN & ~(0xf))|(1<<4)|(divn); // CAMCLK is divided..
}
/* Description of Parameters
CoDstWidth: Destination Width of Codec Path
CoDstHeight: Destination Height of Codec Path
PrDstWidth: Destination Width of Preview Path
PrDstHeight: Destination Height of Preview Path
WinHorOffset: Size of Window Offset for Horizontal Direction
WinVerOffset: Size of Window Offset for Vertical Direction
CoFrameBuffer: Start Address for Codec DMA
PrFrameBuffer: Start Address for Previe DMA
*/
void CamInit(U32 CoDstWidth, U32 CoDstHeight, U32 PrDstWidth, U32 PrDstHeight,
U32 WinHorOffset, U32 WinVerOffset, U32 CoFrameBuffer, U32 PrFrameBuffer)
{
U32 WinOfsEn;
U32 divisor, multiplier;
U32 MainBurstSizeY, RemainedBurstSizeY, MainBurstSizeC, RemainedBurstSizeC, MainBurstSizeRGB, RemainedBurstSizeRGB;
U32 H_Shift, V_Shift, PreHorRatio, PreVerRatio, MainHorRatio, MainVerRatio;
U32 SrcWidth, SrcHeight;
U32 ScaleUp_H_Co, ScaleUp_V_Co, ScaleUp_H_Pr, ScaleUp_V_Pr;
//constant for calculating codec dma address
if(CAM_CODEC_OUTPUT)
divisor=2; //CCIR-422
else
divisor=4; //CCIR-420
//constant for calculating preview dma address
if(CAM_PVIEW_OUTPUT)
multiplier=4;
else
multiplier=2;
if(WinHorOffset==0 && WinVerOffset==0)
WinOfsEn=0;
else
WinOfsEn=1;
SrcWidth=CAM_SRC_HSIZE-WinHorOffset*2;
SrcHeight=CAM_SRC_VSIZE-WinVerOffset*2;
if(SrcWidth>=CoDstWidth) ScaleUp_H_Co=0; //down
else ScaleUp_H_Co=1; //up
if(SrcHeight>=CoDstHeight) ScaleUp_V_Co=0;
else ScaleUp_V_Co=1;
if(SrcWidth>=PrDstWidth) ScaleUp_H_Pr=0; //down
else ScaleUp_H_Pr=1; //up
if(SrcHeight>=PrDstHeight) ScaleUp_V_Pr=0; // edited 040225
else ScaleUp_V_Pr=1;
////////////////// common control setting
rCIGCTRL |= (1<<26)|(0<<27); // inverse PCLK, test pattern
//--- hzh
//rCIGCTRL |= (0<<26)|(0<<27); // don't inverse PCLK, test pattern
//---
rCIWDOFST = (1<<30)|(0xf<<12); // clear overflow
rCIWDOFST = 0;
rCIWDOFST=(WinOfsEn<<31)|(WinHorOffset<<16)|(WinVerOffset);
rCISRCFMT=(CAM_ITU601<<31)|(0<<30)|(0<<29)|(CAM_SRC_HSIZE<<16)|(CAM_ORDER_YCBYCR<<14)|(CAM_SRC_VSIZE);
//--- hzh
//rCISRCFMT=(CAM_ITU601<<31)|(1<<30)|(0<<29)|(CAM_SRC_HSIZE<<16)|(CAM_ORDER_YCBYCR<<14)|(CAM_SRC_VSIZE);
//---
////////////////// codec port setting
if (CAM_CODEC_4PP)
{
rCICOYSA1=CoFrameBuffer;
rCICOYSA2=rCICOYSA1+CoDstWidth*CoDstHeight+2*CoDstWidth*CoDstHeight/divisor;
rCICOYSA3=rCICOYSA2+CoDstWidth*CoDstHeight+2*CoDstWidth*CoDstHeight/divisor;
rCICOYSA4=rCICOYSA3+CoDstWidth*CoDstHeight+2*CoDstWidth*CoDstHeight/divisor;
rCICOCBSA1=rCICOYSA1+CoDstWidth*CoDstHeight;
rCICOCBSA2=rCICOYSA2+CoDstWidth*CoDstHeight;
rCICOCBSA3=rCICOYSA3+CoDstWidth*CoDstHeight;
rCICOCBSA4=rCICOYSA4+CoDstWidth*CoDstHeight;
rCICOCRSA1=rCICOCBSA1+CoDstWidth*CoDstHeight/divisor;
rCICOCRSA2=rCICOCBSA2+CoDstWidth*CoDstHeight/divisor;
rCICOCRSA3=rCICOCBSA3+CoDstWidth*CoDstHeight/divisor;
rCICOCRSA4=rCICOCBSA4+CoDstWidth*CoDstHeight/divisor;
}
else
{
rCICOYSA1=CoFrameBuffer;
rCICOYSA2=rCICOYSA1;
rCICOYSA3=rCICOYSA1;
rCICOYSA4=rCICOYSA1;
rCICOCBSA1=rCICOYSA1+CoDstWidth*CoDstHeight;
rCICOCBSA2=rCICOCBSA1;
rCICOCBSA3=rCICOCBSA1;
rCICOCBSA4=rCICOCBSA1;
rCICOCRSA1=rCICOCBSA1+CoDstWidth*CoDstHeight/divisor;
rCICOCRSA2=rCICOCRSA1;
rCICOCRSA3=rCICOCRSA1;
rCICOCRSA4=rCICOCRSA1;
}
rCICOTRGFMT=(CAM_CODEC_IN_422<<31)|(CAM_CODEC_OUTPUT<<30)|(CoDstWidth<<16)|(CAM_FLIP_NORMAL<<14)|(CoDstHeight);
CalculateBurstSize(CoDstWidth, &MainBurstSizeY, &RemainedBurstSizeY);
CalculateBurstSize(CoDstWidth/2, &MainBurstSizeC, &RemainedBurstSizeC);
rCICOCTRL=(MainBurstSizeY<<19)|(RemainedBurstSizeY<<14)|(MainBurstSizeC<<9)|(RemainedBurstSizeC<<4);
CalculatePrescalerRatioShift(SrcWidth, CoDstWidth, &PreHorRatio, &H_Shift);
CalculatePrescalerRatioShift(SrcHeight, CoDstHeight, &PreVerRatio, &V_Shift);
MainHorRatio=(SrcWidth<<8)/(CoDstWidth<<H_Shift);
MainVerRatio=(SrcHeight<<8)/(CoDstHeight<<V_Shift);
rCICOSCPRERATIO=((10-H_Shift-V_Shift)<<28)|(PreHorRatio<<16)|(PreVerRatio);
rCICOSCPREDST=((SrcWidth/PreHorRatio)<<16)|(SrcHeight/PreVerRatio);
rCICOSCCTRL=(CAM_SCALER_BYPASS_OFF<<31)|(ScaleUp_H_Co<<30)|(ScaleUp_V_Co<<29)|(MainHorRatio<<16)|(MainVerRatio);
rCICOTAREA=CoDstWidth*CoDstHeight;
///////////////// preview port setting
if (CAM_PVIEW_4PP) // codec view mode
{
rCIPRCLRSA1=PrFrameBuffer;
rCIPRCLRSA2=rCIPRCLRSA1+PrDstWidth*PrDstHeight*multiplier;
rCIPRCLRSA3=rCIPRCLRSA2+PrDstWidth*PrDstHeight*multiplier;
rCIPRCLRSA4=rCIPRCLRSA3+PrDstWidth*PrDstHeight*multiplier;
}
else // direct preview mode
{
rCIPRCLRSA1 = (U32)LCD_BUFFER_CAM;
rCIPRCLRSA2 = (U32)LCD_BUFFER_CAM;
rCIPRCLRSA3 = (U32)LCD_BUFFER_CAM;
rCIPRCLRSA4 = (U32)LCD_BUFFER_CAM;
}
rCIPRTRGFMT=(PrDstWidth<<16)|(CAM_FLIP_NORMAL<<14)|(PrDstHeight);
if (CAM_PVIEW_OUTPUT==CAM_RGB24B)
CalculateBurstSize(PrDstWidth*2, &MainBurstSizeRGB, &RemainedBurstSizeRGB);
else // RGB16B
CalculateBurstSize(PrDstWidth*2, &MainBurstSizeRGB, &RemainedBurstSizeRGB);
rCIPRCTRL=(MainBurstSizeRGB<<19)|(RemainedBurstSizeRGB<<14);
CalculatePrescalerRatioShift(SrcWidth, PrDstWidth, &PreHorRatio, &H_Shift);
CalculatePrescalerRatioShift(SrcHeight, PrDstHeight, &PreVerRatio, &V_Shift);
MainHorRatio=(SrcWidth<<8)/(PrDstWidth<<H_Shift);
MainVerRatio=(SrcHeight<<8)/(PrDstHeight<<V_Shift);
rCIPRSCPRERATIO=((10-H_Shift-V_Shift)<<28)|(PreHorRatio<<16)|(PreVerRatio);
rCIPRSCPREDST=((SrcWidth/PreHorRatio)<<16)|(SrcHeight/PreVerRatio);
rCIPRSCCTRL=(1<<31)|(CAM_PVIEW_OUTPUT<<30)|(ScaleUp_H_Pr<<29)|(ScaleUp_V_Pr<<28)|(MainHorRatio<<16)|(MainVerRatio);
rCIPRTAREA= PrDstWidth*PrDstHeight;
}
/********************************************************
CalculateBurstSize - Calculate the busrt lengths
Description:
- dstHSize: the number of the byte of H Size.
*/
void CalculateBurstSize(U32 hSize,U32 *mainBurstSize,U32 *remainedBurstSize)
{
U32 tmp;
tmp=(hSize/4)%16;
switch(tmp) {
case 0:
*mainBurstSize=16;
*remainedBurstSize=16;
break;
case 4:
*mainBurstSize=16;
*remainedBurstSize=4;
break;
case 8:
*mainBurstSize=16;
*remainedBurstSize=8;
break;
default:
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