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📄 camera.cpp

📁 S3C24A0的完整BSP包,对开发此芯片的开发者很有用.
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        if (!pBufOut || dwLenOut < sizeof(CEDEVICE_POWER_STATE) || !pdwActualOut) 
		{
            SetLastError(ERROR_INVALID_PARAMETER);
            return FALSE;
        } 
		else 
		{
			
			CEDEVICE_POWER_STATE Dx = *(PCEDEVICE_POWER_STATE)pBufOut;
			
			RETAILMSG(RETAIL_ON, (TEXT("#####CAMERA::CIS_IOControl:ioctl_power_set - before accessing cam info\n")));
			//Added by APR ++
			LOCK(pCamInfo);
			pCamInfo->fBoostRequested		= FALSE;
			pCamInfo->fReductionRequested	= FALSE;			
			UNLOCK(pCamInfo);
			//APR --
			RETAILMSG(RETAIL_ON, (TEXT("#####CAMERA::CIS_IOControl:ioctl_power_set - after accessing cam info\n")));
			switch(Dx)
			{
			case D0:
				if(D0 != sCurrentDx)			//if already in D0, don't do powerup
					CIS_PowerUp(hOpenContext);				
				break;
			case D1:							//not supported
			case D2:							//not supported
			case D3:							//not supported
			case D4:
			default:
				if(sCurrentDx < Dx)
				{
					//ask the activity thread to kill itself
					pCamInfo->bKillActivityThread = TRUE;
					SetEvent(pCamInfo->hevKillCamActivity);
					
					CIS_PowerDown(hOpenContext);
					*(PCEDEVICE_POWER_STATE)pBufOut = (CEDEVICE_POWER_STATE)D4;
				}
				else
				{
					CIS_PowerUp(hOpenContext);
				}
				break;
			}
			
			RETAILMSG(RETAIL_ON, (TEXT("#####CAMERA::CIS_IOControl:ioctl_power_set - obtained new power state\n")));
			
			sCurrentDx	= Dx;					//keep track of the current power state
            		*pdwActualOut = sizeof(Dx);
			
			RETAILMSG(RETAIL_ON, (TEXT("#####CAMERA::CIS_IOControl:ioctl_power_set - returning\n")));
			
            return TRUE;
        }
		break;
	case IOCTL_POWER_GET: 
		if ( !pdwActualOut || !pBufOut || (dwLenOut < sizeof(CEDEVICE_POWER_STATE)) ) {
			bRc = FALSE;
			dwErr = ERROR_INVALID_PARAMETER;
			break;
		}
		/*
		*(PCEDEVICE_POWER_STATE)pBufOut = pHWHead->Dx;
		
		  RETAILMSG(RETAIL_ON, (TEXT("IrDA: IOCTL_POWER_GET: D%u \r\n"), pHWHead->Dx));
		  
            *pdwActualOut = sizeof(CEDEVICE_POWER_STATE);
		*/
		break;
		
		//APR --
		//-----------------------------------------------------------------------------------------
		
	case IOCTL_CAM_SHOW :
		// Charlie. Show Menu
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SHOW(%x)\r\n"),dwLenIn));
		break;
		
	case IOCTL_CAM_HIDE :
		// Charlie. Close display window
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_HIDE\r\n")));
		break;
		
	case IOCTL_CAM_SETPOS : 
		time = GetTickCount();
		//			RETAILMSG(MSG_EN_1,(TEXT("Capture time:%d msec\r\n"), (time-old_time)));
		RETAILMSG(MSG_EN_1,(TEXT("Capture time:%d msec\r\n"), (time)));
		old_time = time;
		break;
		
	case CAM_IOCTL_MOVIE_START:			// for MPEG4
	case IOCTL_CAM_CONT : 
		RETAILMSG(RETAIL_ON,(TEXT("CAMERA:IOCTL_CAM_CONT\r\n")));
		// Charlie. Play
		//DisplayEnable = 1;

		bClosed = FALSE;
#if 1
		if (DRIVER_PREVIEW_ENABLE == 1)
		{			
			Camif_Capture(CAPTURE_ON, CAPTURE_OFF);
		} 
		else if (DRIVER_PREVIEW_ENABLE == 2)	
		{
			Camif_Capture(CAPTURE_OFF, CAPTURE_ON);
		}
#else
		Camif_Capture(CAPTURE_ON, CAPTURE_ON);
#endif
		
		//DisplayTime = DISPLAY_SCHEDULE;				// polling mode
		//SetEvent(CameraEvent);
		
		//Added by APR ++ for power management
		if(FALSE == ActivateCamera((DWORD)hOpenContext))
			return FALSE;							//failure to activate device
		//APR --
		
		//s24A0IOP->GPGCON &= ~(0x3<<24);
		//s24A0IOP->GPGCON |= (0x1<<24);		// EINT20
		frame_count = 0;		// for MPEG4
		break;
		
	case CAM_IOCTL_MOVIE_STOP:		// for MPEG4
	case IOCTL_CAM_STOP : 
		// Charlie. Stop
		RETAILMSG(RETAIL_ON,(TEXT("CAMERA:IOCTL_CAM_STOP\r\n")));
		
		s24A0CAM->CIPRCTRL |= (1<<2);	//enable last IRQ at the end of frame capture

		Camif_Capture(CAPTURE_OFF, CAPTURE_OFF);
#if 0
		//DisplayEnable = 0;
		// 2004.05.18 jylee
		DRIVER_PREVIEW_ENABLE = 2; 
#endif
		DisplayTime = INFINITE;
		bClosed = TRUE;
		break;
		
		// for MPEG4
	case CAM_IOCTL_GET_LATEST_FRAME:
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:CAM_IOCTL_GET_LATEST_FRAME\r\n")));

		if (frame_count < 2) {
			RETAILMSG(RETAIL_ON,(TEXT("CAMERA:CAM_IOCTL_GET_LATEST_FRAME - frame not available!!!\r\n")));
			return false;
		}
		Tick_GET_FRAME_PREV = Tick_GET_FRAME_CUR;
		Tick_GET_FRAME_CUR = GetTickCount();
		Copy_Cam_Image(pBufOut, QCIF_XSIZE, QCIF_YSIZE, PORT_A);
		break;
		
	case CAM_IOCTL_SAMSUNG_CAM:			// ID=0x520
		RETAILMSG(MSG_EN_1,(_T("CAM_IOCTL_SAMSUNG_CAM\r\n")));
		Samsung_camcoder(pBufOut);
		break;
		
	case CAM_IOCTL_SAMSUNG_CAM_PR:		// ID=0x522
		RETAILMSG(MSG_EN_1,(_T("CAM_IOCTL_SAMSUNG_CAM_PR\r\n")));
		Samsung_camcoder_pr(pBufOut);
		break;
		
	case CAM_IOCTL_SAMSUNG_PREVIEW_START : // ID=0x523
		DRIVER_PREVIEW_ENABLE = 1;
		RETAILMSG(MSG_EN_1,(_T("CAM_IOCTL_SAMSUNG_PREVIEW_START(%x)\r\n"),*pBufOut, DRIVER_PREVIEW_ENABLE));
		break;
		
	case CAM_IOCTL_SAMSUNG_PREVIEW_STOP : 	// ID=0x524
#if 0	
		DRIVER_PREVIEW_ENABLE = 2;
#endif
		RETAILMSG(MSG_EN_1,(_T("CAM_IOCTL_SAMSUNG_PREVIEW_STOP(%x)\r\n"),*pBufOut, DRIVER_PREVIEW_ENABLE));
		break;
		
	case IOCTL_CAM_SETGAMMA :
		if( *pBufOut == 1 ){
			DRIVER_PREVIEW_ENABLE = 1;
		}
		else if( *pBufOut == 2 ){
			DRIVER_PREVIEW_ENABLE = 2;
		}
		RETAILMSG(MSG_EN_1,(_T("IOCTL_CAM_SETGAMMA:*pBufOut(%x):DRIVER_PREVIEW_ENABLE(%x)\r\n"),*pBufOut, DRIVER_PREVIEW_ENABLE));
		break;
		
	case CAM_IOCTL_IMAGE_SIZE:				// ID=0x521
		if( *pBufOut == 1 ){
			image_size = 1;
		}
		else if( *pBufOut == 2 ){
			image_size = 2;
		}
		RETAILMSG(MSG_EN_1,(TEXT("image_size:%d,0x%x,0x%x\r\n"),image_size,pBufOut,*pBufOut));			
	
		Camif_Capture(CAPTURE_OFF, CAPTURE_OFF);
		
		if (image_size == 1)
			CamInit(QCIF_XSIZE, QCIF_YSIZE, QCIF_XSIZE, QCIF_YSIZE, 112, 20, COPIFRAMEBUFFER_B, COPIFRAMEBUFFER_A);
		else if (image_size == 2)
			CamInit(CIF_XSIZE, CIF_YSIZE, QCIF_XSIZE, QCIF_YSIZE, 112, 20, COPIFRAMEBUFFER_B, COPIFRAMEBUFFER_A);
		
		break;
		
	case IOCTL_CAM_COPY :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_COPY(dwLenIn:%x)\r\n"), dwLenIn));
		break;
		
	case IOCTL_CAM_SETCOLKEY :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETCOLKEY\r\n")));
		break;
		
	case IOCTL_CAM_SETALPHA :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETALPHA\r\n")));
		break;
		
	case IOCTL_CAM_GETINFO :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_GETINFO\r\n")));
		break;
		
	case IOCTL_CAM_SETSCALE :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETSCALE\r\n")));
		break;
		
	case IOCTL_CAM_SETHUE :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETHUE\r\n")));
		break;
#if 0
	case IOCTL_CAM_SETGAMMA :
		// Get which ping -pong buffer have data
		//DisplayEnable = 0;
		Sleep(200);
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_BUFFER:%d\r\n"),buffer_num));
		break;
#endif
	case IOCTL_CAM_SETWBCOORD : 
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETWBCOORD\r\n")));
		break;
		
	case IOCTL_CAM_SETAELIMIT :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETAELIMIT\r\n")));
		break;
		
	case IOCTL_CAM_SETADCOFS :	
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETADCOFS\r\n")));
		break;
		
	case IOCTL_CAM_SETWBGAIN :	
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETWBGAIN\r\n")));
		break;
		
	case IOCTL_CAM_SETCBCRGAIN :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETCBCRGAIN\r\n")));
		break;
		
	case IOCTL_CAM_SETLEGAIN :	
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETLEGAIN\r\n")));
		break;
		
	case IOCTL_CAM_SETBRIGHTNESS :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETBRIGHTNESS\r\n")));
		break;
		
	case IOCTL_CAM_SETCLIP :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETCLIP\r\n")));
		break;
		
	case IOCTL_CAM_SETSLICELMT :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETSLICELMT\r\n")));
		break;
		
	case IOCTL_CAM_WBACCLMT :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_WBACCLMT\r\n")));
		break;
		
	case IOCTL_CAM_CSEDGELMT :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_CSEDGELMT\r\n")));
		break;
		
	case IOCTL_CAM_ENVINT :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_ENVINT\r\n")));
		break;
		
	case IOCTL_CAM_DISVINT :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_DISVINT\r\n")));
		break;
		
	case IOCTL_CAM_SETCAMERA :
		RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_SETCAMERA\r\n")));
		
		/*
		RETAILMSG(MSG_EN_1,(_T("---------------------------------------\r\n")));
		RETAILMSG(MSG_EN_1,(_T("ImgCptEn_PRSC = %d\r\n"), (s24A0CAM->CIPRSTATUS>>21)&0x1));
		RETAILMSG(MSG_EN_1,(_T("PrScalerStart = %d\r\n"), (s24A0CAM->CIPRSCCTRL>>15)&0x1));
		RETAILMSG(MSG_EN_1,(_T("---------------------------------------\r\n")));
		RETAILMSG(MSG_EN_1,(_T("CoScalerStart  = %d\r\n"), (s24A0CAM->CICOSCCTRL>>15)&0x1));
		RETAILMSG(MSG_EN_1,(_T("VSYNC          = %d\r\n"), (s24A0CAM->CICOSTATUS>>28)&0x1));
		RETAILMSG(MSG_EN_1,(_T("ImgCptEn_Camif = %d\r\n"), (s24A0CAM->CICOSTATUS>>22)&0x1));
		RETAILMSG(MSG_EN_1,(_T("ImgCptEn_CoSC  = %d\r\n"), (s24A0CAM->CICOSTATUS>>21)&0x1));
		RETAILMSG(MSG_EN_1,(_T("VSYNC_A  = %d\r\n"), (s24A0CAM->CICOSTATUS>>20)&0x1));
		RETAILMSG(MSG_EN_1,(_T("VSYNC_B  = %d\r\n"), (s24A0CAM->CICOSTATUS>>19)&0x1));
		RETAILMSG(MSG_EN_1,(_T("---------------------------------------\r\n")));
		RETAILMSG(MSG_EN_1,(_T("ImgCptEn      = %d\r\n"), (s24A0CAM->CIIMGCPT>>31)&0x1));
		RETAILMSG(MSG_EN_1,(_T("ImgCptEn_CoSc = %d\r\n"), (s24A0CAM->CIIMGCPT>>30)&0x1));
		RETAILMSG(MSG_EN_1,(_T("ImgCptEn_PrSc = %d\r\n"), (s24A0CAM->CIIMGCPT>>29)&0x1));
		RETAILMSG(MSG_EN_1,(_T("----------------- %d ----------------------\r\n"), mInitialized));
		SetEvent(CameraEvent);
		*/
		break;
		
	default : 
		RETAILMSG(RETAIL_ON, (TEXT("CAMERA:Ioctl code = 0x%x\r\n"), dwCode));
		return FALSE;
		
	}
	return TRUE;
} 

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
DWORD CIS_Open(DWORD hDeviceContext, DWORD AccessCode, DWORD ShareMode)
{
	RETAILMSG(RETAIL_ON,(TEXT("CAMERA: CIS_Open\r\n")));

	DRIVER_PREVIEW_ENABLE = 1;

	//Added by APR ++ for power management
	if(FALSE == ActivateCamera(hDeviceContext))
		return NULL;							//failure to open device
	//APR --

	return hDeviceContext;
} 

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
BOOL CIS_Close(DWORD hOpenContext)
{
	RETAILMSG(RETAIL_ON,(TEXT("CAMERA: CIS_Close\r\n")));
	return TRUE;
} 

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CIS_PowerDown(DWORD hDeviceContext)
{
	RETAILMSG(RETAIL_ON,(TEXT("CAMERA: CIS_PowerDown\r\n")));

//	m_Dx = (_CEDEVICE_POWER_STATE)D4;

	Camif_Capture(CAPTURE_OFF, CAPTURE_OFF);

	CamClockOn(FALSE);

	bPowered = FALSE;

	if(FALSE == bClosed)
	{
		RETAILMSG(RETAIL_ON,(TEXT("CAMERA:IOCTL_CAM_STOP\r\n")));
		
		DisplayTime = INFINITE;
		RETAILMSG(RETAIL_ON,(TEXT("####CAMERA: CIS_PowerDown, Not Closed \r\n")));
	}

} 

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CIS_PowerUp(DWORD hDeviceContext)
{
	RETAILMSG(RETAIL_ON,(TEXT("CAMERA: CIS_PowerUp\r\n")));
	
//	m_Dx = (_CEDEVICE_POWER_STATE)D0;

	CamClockOn(TRUE);
	
	RETAILMSG(RETAIL_ON, (TEXT("####CAMERA: CIS_PowerUp, Closed = %d \r\n"), bClosed));
	
} 

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
DWORD CIS_Read(DWORD hOpenContext, LPVOID pBuffer, DWORD Count)
{
	RETAILMSG(RETAIL_ON,(TEXT("CAMERA: CIS_Read\r\n")));
	return TRUE;
} 

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
DWORD CIS_Seek(DWORD hOpenContext, long Amount, DWORD Type)
{
	RETAILMSG(RETAIL_ON,(TEXT("CAMERA: CIS_Seek\r\n")));
	return 0;
} 

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
DWORD CIS_Write(DWORD hOpenContext, LPCVOID pSourceBytes, DWORD NumberOfBytes)
{
	RETAILMSG(RETAIL_ON,(TEXT("CAMERA: CIS_Write\r\n")));
	return 0;
}

// for MPEG4
void Copy_Cam_Image(U8 *pBufOut, U32 size_x, U32 size_y, U8 port)
{
	U8 *buffer_y, *buffer_cb, *buffer_cr;
	U32 Y_size, C_size, P_size;
	int temp;
	U8 *pImage;
	static unsigned int frame_timestamp_prev = GetTickCount();
	static int frame_bank_prev = -1;
	YUVINFO yuvinfo;

	RETAILMSG(MSG_EN_1,(_T("Copy_Cam_Image\r\n")));

	pImage = pBufOut;

	if (image_size == 1) 		// QCIF	
		Y_size = QCIF_XSIZE*QCIF_YSIZE;
	else if (image_size == 2) // CIF
		Y_size = CIF_XSIZE*CIF_YSIZE;
			
	C_size = Y_size/4;	
	P_size = Y_size + C_size*2;

	{
		temp = (s24A0CAM->CICOSTATUS>>26)&3;
		temp = (temp + 2) % 4;

		RETAILMSG(MSG_EN_1,(_T("Copy_Cam_Image %d\r\n"), temp));

		switch (temp)
		{
		case 0:
			buffer_y = (U8 *)s24A0CAM->CICOYSA1;
			buffer_cb = (U8 *)s24A0CAM->CICOCBSA1;
			buffer_cr = (U8 *)s24A0CAM->CICOCRSA1;
			break;
		case 1:
			buffer_y = (U8 *)s24A0CAM->CICOYSA2;
			buffer_cb = (U8 *)s24A0CAM->CICOCBSA2;
			buffer_cr = (U8 *)s24A0CAM->CICOCRSA2;
			break;
		case 2:
			buffer_y = (U8 *)s24A0CAM->CICOYSA3;
			buffer_cb = (U8 *)s24A0CAM->CICOCBSA3;
			buffer_cr = (U8 *)s24A0CAM->CICOCRSA3;
			break;
		case 3:
			buffer_y = (U8 *)s24A0CAM->CICOYSA4;
			buffer_cb = (U8 *)s24A0CAM->CICOCBSA4;
			buffer_cr = (U8 *)s24A0CAM->CICOCRSA4;
			break;
		default :
			buffer_y = (U8 *)s24A0CAM->CICOYSA1;
			buffer_cb = (U8 *)s24A0CAM->CICOCBSA1;
			buffer_cr = (U8 *)s24A0CAM->CICOCRSA1;
			break;
		}
	} 		

#if (DOTNET_DRIVER)
	SetKMode(TRUE);
#endif	

	buffer_y += VIRTUAL_ADDR_OFFSET;
	buffer_cb += VIRTUAL_ADDR_OFFSET;
	buffer_cr += VIRTUAL_ADDR_OFFSET;

	RETAILMSG(MSG_EN_1,(_T("buffer_y = 0x%x\r\n"), buffer_y));
	RETAILMSG(MSG_EN_1,(_T("buffer_cb = 0x%x\r\n"), buffer_cb));
	RETAILMSG(MSG_EN_1,(_T("buffer_cr = 0x%x\r\n"), buffer_cr));

	if (image_size == 1) 		// QCIF	
	{
		yuvinfo.frame_width = QCIF_XSIZE;
		yuvinfo.frame_height = QCIF_YSIZE;
	}
	else if (image_size == 2) // CIF	
	{
		yuvinfo.frame_width = CIF_XSIZE;
		yuvinfo.frame_height = CIF_YSIZE;
	}
	
	if (temp == frame_bank_prev) yuvinfo.frame_stamp = frame_timestamp_prev;
	else 
	{
		yuvinfo.frame_stamp = GetTickCount();
		frame_timestamp_prev = yuvinfo.frame_stamp;
		frame_bank_prev = temp;

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