📄 camera.cpp
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s2450INT->INTMSK1 |= ( 1 << IRQ_CAM );
s2450INT->INTSUBMSK |= (( 1 << IRQ_SUB_CAM_P )|( 1 << IRQ_SUB_CAM_C ));
Camif_Capture(CAPTURE_OFF, CAPTURE_OFF);
//DisplayEnable = 0;
DRIVER_PREVIEW_ENABLE = 2;
CloseHandle(CaptureThread);
CloseHandle(CaptureEvent);
CloseHandle(PreviewThread);
CloseHandle(PreviewEvent);
//VirtualFree((void*)s2450IOP, sizeof(S3C2450_IOPORT_REG), MEM_RELEASE);
//VirtualFree((void*)s2450CAM, sizeof(S3C2450_CAM_REG), MEM_RELEASE);
//VirtualFree((void*)s2450INT, sizeof(S3C2450_INTR_REG), MEM_RELEASE);
//VirtualFree((void*)s2450PWR, sizeof(S3C2450_CLKPWR_REG), MEM_RELEASE);
VirtualFree((void*)s2450IOP, 0, MEM_RELEASE);
VirtualFree((void*)s2450CAM, 0, MEM_RELEASE);
VirtualFree((void*)s2450INT, 0, MEM_RELEASE);
VirtualFree((void*)s2450PWR, 0, MEM_RELEASE);
return TRUE;
}
BOOL InitInterruptThread()
{
DWORD threadID; // thread ID
BOOL bSuccess;
CaptureEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
if (!CaptureEvent)
{
RETAILMSG(TRUE,(TEXT("Fail to create camera interrupt event\r\n")));
return FALSE;
}
bSuccess = InterruptInitialize(g_CamSysIntr_C, CaptureEvent, NULL, 0);
if (!bSuccess)
{
RETAILMSG(TRUE,(TEXT("Fail to initialize camera interrupt event\r\n")));
return FALSE;
}
CaptureThread = CreateThread(NULL,
0,
(LPTHREAD_START_ROUTINE)CameraCaptureThread,
0,
0,
&threadID);
if (NULL == CaptureThread ) {
RETAILMSG(TRUE,(TEXT("Create Camera Thread Fail\r\n")));
return FALSE;
}
PreviewEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
if (!PreviewEvent)
{
RETAILMSG(TRUE,(TEXT("Fail to create camera interrupt event\r\n")));
return FALSE;
}
bSuccess = InterruptInitialize(g_CamSysIntr_P, PreviewEvent, NULL, 0);
if (!bSuccess)
{
RETAILMSG(TRUE,(TEXT("Fail to initialize camera interrupt event\r\n")));
return FALSE;
}
PreviewThread = CreateThread(NULL,
0,
(LPTHREAD_START_ROUTINE)CameraPreviewThread,
0,
0,
&threadID);
if (NULL == PreviewThread ) {
RETAILMSG(TRUE,(TEXT("Create Camera Thread Fail\r\n")));
return FALSE;
}
RETAILMSG(1,(_T("CAMERA.DLL::InterruptThread Initialized.\r\n")));
return TRUE;
}
BOOL CamClockOn(BOOL bOnOff)
{
// Camera clock
if (!bOnOff)
{
s2450PWR->HCLKCON &= ~(1<<8); // Camera clock disable
s2450PWR->SCLKCON &= ~(1<<11); // Camera clock disable
}
else
{
//Camera_Clock(CAM_CLK_DIV);
Camera_Clock(CAM_CLK_DIV);
s2450PWR->HCLKCON |= (1<<8); // Camera clock enable
s2450PWR->SCLKCON |= (1<<11); // Camera clock enable
}
RETAILMSG(1,(_T("CamClockOn = %d\r\n"), bOnOff));
Delay(1000);
return TRUE;
}
BOOL CamGpioInit()
{
s2450IOP->GPJCON = (s2450IOP->GPJCON & ~(0x3ffffff)) | 0x2aaaaaa;
s2450IOP->GPJDAT = s2450IOP->GPJDAT & ~(0x1fff);
s2450IOP->GPJUDP = s2450IOP->GPJUDP & ~(0x3ffffff); // CAM IO PullUpDown Disable setup except CAMRESET
Delay(1000);
return TRUE;
}
void CAM_IF_Reset()
{
// This functin is used on power handler operation.
// So, you should not use Kernel API functions as like as "Sleep()".
//
// Camera (FIMC2.0) I/F Reset
//
s2450CAM->CISRCFMT |= (1<<31); // 2450 board manual recommend added by jjg 06.07.19
s2450CAM->CIGCTRL |= (1<<31|1<<29);
// Don't modify this delay time
//RETAILMSG(1,(TEXT("Camera I/F Reset\r\n")));
Delay(1000);
s2450CAM->CIGCTRL &= ~((1<<31)|(0x3<<27)|(1<<26)|(1<<25)|(1<<24));
// Wait for Camera module initialization
Delay(1000);
}
void Camera_Module_Reset()
{
s2450CAM->CIGCTRL |= (1<<30);
// Don't modify this delay time
//RETAILMSG(1,(TEXT("Camera Module Reset\r\n")));
Delay(100);
s2450CAM->CIGCTRL &= ~(1<<30);
// Wait for Camera module initialization
Delay(1000);
s2450CAM->CIGCTRL |= (1<<30);
// Samsung Camera need delay time between camera clock enable and camera reset.
//RETAILMSG(1,(TEXT("You need delay time\r\n")));
//Delay(1000);
//Sleep(10);
}
BOOL Cam_Init()
{
sCAMINFO.nDestWidth=352;
sCAMINFO.nDestHeight=288;
sCAMINFO.nZoomIndex=1;
// 1. Camera IO setup
//
CamGpioInit();
//
// 2. Camera i/f reset
CAM_IF_Reset();
//
// 3. Camera Clock setup
//
CamClockOn(TRUE);
// 4. camera module reset
Camera_Module_Reset();
// 5. set register of camera module through iic
//camera_initialize();
// use iic for initialization
Delay(50); // before using I2C, need some delay added by JJG 06.07.21
CAM_WriteBlock();
// to check time
//s2450IOP->GPGCON &= ~(0x3<<24);
//s2450IOP->GPGCON |= (0x1<<24); // EINT20
CamInit(sCAMINFO.nDestWidth, sCAMINFO.nDestHeight, g_PreviewSize_Width, g_PreviewSize_Height, 0, 0, (U32)(g_PhysCodecAddr.LowPart), (U32)(g_PhysPreviewAddr.LowPart));
//RETAILMSG(1,(TEXT("PhysPreviewAddress = %x, PhysCodecAddress= %x \r\n"),(U32)(g_PhysPreviewAddr.LowPart),(U32)(g_PhysCodecAddr.LowPart)));
return TRUE;
}
DWORD CIS_Init(DWORD dwContext)
{
DWORD dwErr = ERROR_SUCCESS, bytes;
RETAILMSG(MSG_EN_1, (TEXT("CIS::CIS_Init() \r\n")));
// Allocate for our main data structure and one of it's fields.
pCIS = (PCIS_CONTEXT)LocalAlloc( LPTR, sizeof(CIS_CONTEXT) );
if ( !pCIS )
return( NULL );
pCIS->Sig = CIS_SIG;
// 1. Virtual Alloc
Virtual_Alloc();
RETAILMSG(MSG_EN_1, (TEXT("CIS::Virtual_Alloc \r\n")));
//RETAILMSG(1, (TEXT("CIS_Init : IOCTL_HAL_REQUEST_SYSINTR \r\n")));
if (!KernelIoControl(IOCTL_HAL_REQUEST_SYSINTR, &g_CamIrq_C, sizeof(UINT32), &g_CamSysIntr_C, sizeof(UINT32), NULL))
{
RETAILMSG(TRUE, (TEXT("ERROR: Failed to request sysintr value for Camera interrupt.\r\n")));
return FALSE;
}
if (!KernelIoControl(IOCTL_HAL_REQUEST_SYSINTR, &g_CamIrq_P, sizeof(UINT32), &g_CamSysIntr_P, sizeof(UINT32), NULL))
{
RETAILMSG(TRUE, (TEXT("ERROR: Failed to request sysintr value for Camera interrupt.\r\n")));
return FALSE;
}
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) {
Cam_Init();
CamInterface_PowerUp();
if(m_bOnOff==TRUE)
{
Camif_Capture(CAPTURE_ON, CAPTURE_ON);
}
m_Dx = D0;
}
break;
default:
if (m_Dx != (_CEDEVICE_POWER_STATE)D4) {
if(m_bOnOff==TRUE)
{
Camif_Capture(CAPTURE_OFF, CAPTURE_OFF);
m_bOnOff=TRUE;
}
CamInterface_PowerDown();
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;
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