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📄 camera.cpp

📁 camera driver for wince s3c2440 .SAMSUNG s S3C2440A 16/32-bit RISC microprocessor. SAMSUNG鈥檚 S3C2440
💻 CPP
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	//RETAILMSG(1, (TEXT("CIS_Init : IOCTL_HAL_REQUEST_SYSINTR \r\n")));
    if (!KernelIoControl(IOCTL_HAL_REQUEST_SYSINTR, &g_CamIrq, sizeof(UINT32), &g_CamSysIntr, sizeof(UINT32), NULL))
    {
        RETAILMSG(1, (TEXT("ERROR: CIS_INIT: Failed to request sysintr value for Camera interrupt.\r\n")));
        return(0);
    }
	
    InitializeCriticalSection(&pCIS->RegCS);

    RETAILMSG(MSG_EN_1, (TEXT("CIS::InitializeCriticalSection \r\n")));

    //
    // Init I2C
    //
    pCIS->hI2C = CreateFile( L"I2C0:",
                             GENERIC_READ|GENERIC_WRITE,
                             FILE_SHARE_READ|FILE_SHARE_WRITE,
                             NULL, OPEN_EXISTING, 0, 0);
                   
    if ( INVALID_HANDLE_VALUE == pCIS->hI2C ) {
        dwErr = GetLastError();
        //DEBUGMSG(ZONE_ERR, (TEXT("Error %d opening device '%s' \r\n"), dwErr, L"I2C0:" ));
        RETAILMSG(I2C_MSG, (TEXT("Error %d opening device '%s' \r\n"), dwErr, L"I2C0:" ));
        goto _error_exit;
    }

    RETAILMSG(MSG_EN_1, (TEXT("CIS::CreateFile(\"I2C0\") \r\n")));

    //memset((void*)pCIS->eg, 0, sizeof(pCIS->eg));

    //
    // Gat Fastcall driver-to-driver entrypoints
    //
    if ( !DeviceIoControl(pCIS->hI2C,
                          IOCTL_I2C_GET_FASTCALL, 
                          NULL, 0, 
                          &pCIS->fc, sizeof(pCIS->fc),
                          &bytes, NULL) ) 
    {
        dwErr = GetLastError();
        DEBUGMSG(ZONE_ERR,(TEXT("IOCTL_I2C_GET_FASTCALL ERROR: %u \r\n"), dwErr));
        goto _error_exit;
    }            

    RETAILMSG(MSG_EN_1, (TEXT("CIS::DeviceIoControl \r\n")));

    // Init H/W
    pCIS->State = INITIALIZE;

	Cam_Init();

	if (!InitInterruptThread())
	{
        RETAILMSG(1,(TEXT("Fail to initialize camera interrupt event\r\n")));
        return FALSE;
    }    

    pCIS->Dx = D0;

	m_Dx = (_CEDEVICE_POWER_STATE)D0;
	DevicePowerNotify(_T("CIS1:"),(_CEDEVICE_POWER_STATE)D0, POWER_NAME);

	mInitialized = TRUE;
	return TRUE;

_error_exit:
    return dwErr;	
}

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
BOOL CIS_IOControl(DWORD hOpenContext, 
				   DWORD dwCode, 
				   PBYTE pBufIn, 
				   DWORD dwLenIn, 
				   PBYTE pBufOut, 
				   DWORD dwLenOut, 
				   PDWORD pdwActualOut)
{
    BOOL RetVal = TRUE;
    DWORD dwErr = ERROR_SUCCESS;    
	static unsigned int time=0,old_time=0;

	switch (dwCode)
	{

//-----------------------------------------------------------------------------------------
		case IOCTL_POWER_CAPABILITIES: 
        {
            PPOWER_CAPABILITIES ppc;
			RETAILMSG(1, (TEXT("CIS: IOCTL_POWER_CAPABILITIES\r\n")));   
            
			if ( !pdwActualOut || !pBufOut || (dwLenOut < sizeof(POWER_CAPABILITIES)) ) {
                RetVal = FALSE;
                dwErr = ERROR_INVALID_PARAMETER;
                break;
            }
			
            ppc = (PPOWER_CAPABILITIES)pBufOut;
            
            memset(ppc, 0, sizeof(POWER_CAPABILITIES));

            // support D0, D4 
            ppc->DeviceDx = 0x11;

            // Report our power consumption in uAmps rather than mWatts. 
            ppc->Flags = POWER_CAP_PREFIX_MICRO | POWER_CAP_UNIT_AMPS;
            
			// 25 m = 25000 uA
            // TODO: find out a more accurate value
			ppc->Power[D0] = 25000;
            
            *pdwActualOut = sizeof(POWER_CAPABILITIES);
        } break;

		case IOCTL_POWER_SET: 
        {
            CEDEVICE_POWER_STATE NewDx;

            if ( !pdwActualOut || !pBufOut || (dwLenOut < sizeof(CEDEVICE_POWER_STATE)) ) {
                RetVal = FALSE;
                dwErr = ERROR_INVALID_PARAMETER;
                break;
            }
            
            NewDx = *(PCEDEVICE_POWER_STATE)pBufOut;

            if ( VALID_DX(NewDx) ) {
                switch ( NewDx ) {
                case D0:
                    if (m_Dx != D0) {
                        CIS_PowerUp(hOpenContext);
                        m_Dx = D0;
                    }
                    break;

                default:
                    if (m_Dx != (_CEDEVICE_POWER_STATE)D4) {
                        CIS_PowerDown(hOpenContext);
                        m_Dx = (_CEDEVICE_POWER_STATE)D4;
                    }
                    break;
                }

                // return our state
                *(PCEDEVICE_POWER_STATE)pBufOut = m_Dx;

                RETAILMSG(1, (TEXT("CIS: IOCTL_POWER_SET: D%u \r\n"), NewDx));

                *pdwActualOut = sizeof(CEDEVICE_POWER_STATE);
            } else {
                RetVal = FALSE;
                dwErr = ERROR_INVALID_PARAMETER;
            }
            
        } break;

        case IOCTL_POWER_GET: 

            if ( !pdwActualOut || !pBufOut || (dwLenOut < sizeof(CEDEVICE_POWER_STATE)) ) {
                RetVal = FALSE;
                dwErr = ERROR_INVALID_PARAMETER;
                break;
            }

			*(PCEDEVICE_POWER_STATE)pBufOut = m_Dx;

            RETAILMSG(1, (TEXT("CIS: IOCTL_POWER_GET: D%u \r\n"), m_Dx));

            *pdwActualOut = sizeof(CEDEVICE_POWER_STATE);
	        break;

//-----------------------------------------------------------------------------------------

		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(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_CONT(MOVIE_START)\r\n")));
			// Charlie. Play
			//DisplayEnable = 1;

			if (bIdlePwrDown == TRUE)
			{
				RETAILMSG(PM_MSG, (_T("[CAM_HW] IOControl CAM_START : Turning Codec On\r\n")));

				CamInterface_PowerUp();
	
				bIdlePwrDown = FALSE;
			}

			// Enable camera interrupt
			s2440INT->INTMSK &= ~( 1 << IRQ_CAM );
			s2440INT->INTSUBMSK &= ~(( 1 << IRQ_SUB_CAM_P )|( 1 << IRQ_SUB_CAM_C ));

			Camif_Capture(CAPTURE_ON, CAPTURE_ON);

			dwDisplayTimeout = DISPLAY_THREAD_TIMEOUT;
			//DisplayTime = DISPLAY_THREAD_TIMEOUT;				// polling mode
			//SetEvent(CameraEvent);

			//s2440IOP->GPGCON &= ~(0x3<<24);
			//s2440IOP->GPGCON |= (0x1<<24);		// EINT20
			frame_count = 0;		// for MPEG4
			break;
		
		case CAM_IOCTL_MOVIE_STOP:		// for MPEG4
		case IOCTL_CAM_STOP : 
			// Charlie. Stop
			RETAILMSG(MSG_EN_1,(TEXT("CAMERA:IOCTL_CAM_STOP\r\n")));

			// Disable camera interrupt
			s2440INT->INTMSK |= ( 1 << IRQ_CAM );
			s2440INT->INTSUBMSK |= (( 1 << IRQ_SUB_CAM_P )|( 1 << IRQ_SUB_CAM_C ));
			if (s2440INT->INTPND & ( 1 << IRQ_CAM )) s2440INT->INTPND |= ( 1 << IRQ_CAM );
			s2440INT->SRCPND |= ( 1 << IRQ_CAM );
			s2440INT->SUBSRCPND |= (( 1 << IRQ_SUB_CAM_P )|( 1 << IRQ_SUB_CAM_C ));

			/*
			s2440CAM->CICOCTRL |= (1<<2); // CODEC Last IRQ Enable
			s2440CAM->CIPRCTRL |= (1<<2); // PREVIEW Last IRQ Enable
			*/
			Camif_Capture(CAPTURE_OFF, CAPTURE_OFF);
			
			//DisplayEnable = 0;
			// 2004.05.18 jylee
			DRIVER_PREVIEW_ENABLE = 2; 
			//dwDisplayTimeout = INFINITE;
			break;

		// for MPEG4
		case CAM_IOCTL_GET_LATEST_FRAME:
			RETAILMSG(MSG_EN_1,(TEXT("CAMERA:CAM_IOCTL_GET_LATEST_FRAME\r\n")));
			//RETAILMSG(MSG_EN_1,(TEXT("pBufIn = 0x%x\r\n"), pBufIn));
			//RETAILMSG(MSG_EN_1,(TEXT("no function available, TBD\r\n")));
			if (frame_count < 2) {
				RETAILMSG(1,(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
			DRIVER_PREVIEW_ENABLE = 2;
			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
		
			RETAILMSG(MSG_EN_1,(TEXT("CAM_IOCTL_IMAGE_SIZE\r\n")));

			if (bIdlePwrDown == TRUE)
			{
				RETAILMSG(PM_MSG, (_T("[CAM_HW] IOControl CAM_START : Turning Codec On\r\n")));

				CamInterface_PowerUp();
	
				bIdlePwrDown = FALSE;
			}

			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));			

			s2440INT->INTMSK |= ( 1 << IRQ_CAM );
			s2440INT->INTSUBMSK |= (( 1 << IRQ_SUB_CAM_P )|( 1 << IRQ_SUB_CAM_C ));

			Camif_Capture(CAPTURE_OFF, CAPTURE_OFF);
			
			if (image_size == 1)
				CamInit(QCIF_XSIZE, QCIF_YSIZE, QCIF_XSIZE, QCIF_YSIZE, 120, 100, COPIFRAMEBUFFER_B, COPIFRAMEBUFFER_A);
			else if (image_size == 2)
				CamInit(CIF_XSIZE, CIF_YSIZE, QCIF_XSIZE, QCIF_YSIZE, 120, 100, COPIFRAMEBUFFER_B, COPIFRAMEBUFFER_A);
			
			break;
*/
		case CAM_IOCTL_IMAGE_CHANGE:		// ID=0x521
		
			RETAILMSG(MSG_EN_1,(TEXT("CAM_IOCTL_IMAGE_CHANGE\r\n")));

			if (bIdlePwrDown == TRUE)
			{
				RETAILMSG(PM_MSG, (_T("[CAM_HW] IOControl CAM_START : Turning Codec On\r\n")));

				CamInterface_PowerUp();
	
				bIdlePwrDown = FALSE;
			}

			memcpy(&sCAMINFO, pBufOut, sizeof(sCAMINFO));
						
			RETAILMSG(MSG_EN_1,(TEXT("image_Xsize:%d, image_YSize:%d, ZoomIndex:%d\r\n"), sCAMINFO.nDestWidth, sCAMINFO.nDestHeight, sCAMINFO.nZoomIndex));			

			s2440INT->INTMSK |= ( 1 << IRQ_CAM );
			s2440INT->INTSUBMSK |= (( 1 << IRQ_SUB_CAM_P )|( 1 << IRQ_SUB_CAM_C ));

			Camif_Capture(CAPTURE_OFF, CAPTURE_OFF);

			if((sCAMINFO.nZoomIndex == 2) ||(sCAMINFO.nZoomIndex == 3))
				CamInit(sCAMINFO.nDestWidth, sCAMINFO.nDestHeight, PREVIEW_X, PREVIEW_Y, sCAMINFO.nZoomIndex*80, sCAMINFO.nZoomIndex*60, (U32)(g_PhysCodecAddr.LowPart), (U32)(g_PhysPreviewAddr.LowPart));
			else if(sCAMINFO.nZoomIndex == 1)
				CamInit(sCAMINFO.nDestWidth, sCAMINFO.nDestHeight, PREVIEW_X, PREVIEW_Y, 120, 100, (U32)(g_PhysCodecAddr.LowPart), (U32)(g_PhysPreviewAddr.LowPart));				
			else
				CamInit(CIF_XSIZE, CIF_YSIZE, PREVIEW_X, PREVIEW_Y, 120, 100, (U32)(g_PhysCodecAddr.LowPart), (U32)(g_PhysPreviewAddr.LowPart));				
			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"), (s2440CAM->CIPRSTATUS>>21)&0x1));
			RETAILMSG(MSG_EN_1,(_T("PrScalerStart = %d\r\n"), (s2440CAM->CIPRSCCTRL>>15)&0x1));
			RETAILMSG(MSG_EN_1,(_T("---------------------------------------\r\n")));
			RETAILMSG(MSG_EN_1,(_T("CoScalerStart  = %d\r\n"), (s2440CAM->CICOSCCTRL>>15)&0x1));
			RETAILMSG(MSG_EN_1,(_T("VSYNC          = %d\r\n"), (s2440CAM->CICOSTATUS>>28)&0x1));
			RETAILMSG(MSG_EN_1,(_T("ImgCptEn_Camif = %d\r\n"), (s2440CAM->CICOSTATUS>>22)&0x1));
			RETAILMSG(MSG_EN_1,(_T("ImgCptEn_CoSC  = %d\r\n"), (s2440CAM->CICOSTATUS>>21)&0x1));
			RETAILMSG(MSG_EN_1,(_T("VSYNC_A  = %d\r\n"), (s2440CAM->CICOSTATUS>>20)&0x1));
			RETAILMSG(MSG_EN_1,(_T("VSYNC_B  = %d\r\n"), (s2440CAM->CICOSTATUS>>19)&0x1));
			RETAILMSG(MSG_EN_1,(_T("---------------------------------------\r\n")));
			RETAILMSG(MSG_EN_1,(_T("ImgCptEn      = %d\r\n"), (s2440CAM->CIIMGCPT>>31)&0x1));
			RETAILMSG(MSG_EN_1,(_T("ImgCptEn_CoSc = %d\r\n"), (s2440CAM->CIIMGCPT>>30)&0x1));
			RETAILMSG(MSG_EN_1,(_T("ImgCptEn_PrSc = %d\r\n"), (s2440CAM->CIIMGCPT>>29)&0x1));
			RETAILMSG(MSG_EN_1,(_T("----------------- %d ----------------------\r\n"), mInitialized));
			SetEvent(CameraEvent);
*/
			break;

		default : 
			RETAILMSG(MSG_EN_1,(TEXT("CAMERA:Ioctl code = 0x%x\r\n"), dwCode));
			return FALSE;

	}
	return TRUE;
} 

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
DWORD CIS_Open(DWORD hDeviceContext, DWORD AccessCode, DWORD ShareMode)
{
	RETAILMSG(1,(TEXT("CAMERA: CIS_Open\r\n")));

	DRIVER_PREVIEW_ENABLE = 2;

	return TRUE;
} 

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
BOOL CIS_Close(DWORD hOpenContext)
{
	RETAILMSG(1,(TEXT("CAMERA: CIS_Close\r\n")));
	return TRUE;
} 

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CIS_PowerDown(DWORD hDeviceContext)
{
	RETAILMSG(1,(TEXT("CAMERA: CIS_PowerDown\r\n")));

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