/*****************************************************************************\ * * Filename: Init.c * * Description: Hardware initialization. * * * Original author: Arnaud Glatron - Barbara Trzebowski * * Copyright (c) Winnov L.P., 1998 * All Rights Reserved. * \*****************************************************************************/ #include #include #include #include "private.h" #include "Init.h" #include "caviario.h" ///////////////////////////////////////////////////////// // // Global variables... // ///////////////////////////////////////////////////////// #define MEM_WINDOW_SIZE_PCMCIA 8192 //size in bytes... #define MEM_WINDOW_SIZE_EPSON 4096 #ifdef _DEBUG TCHAR cDebugBuf[256]; #endif BOOL getSocketHandle(LPTSTR activePath, PCARD_SOCKET_HANDLE phSocket) { HKEY hKey; DWORD valType, valLen; // Open the active device key (return error if it fails). if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, activePath, 0, 0, &hKey)) return FALSE; // Read the socket handle from the key (return error if it fails). valLen = sizeof(CARD_SOCKET_HANDLE); if (RegQueryValueEx(hKey, DEVLOAD_SOCKET_VALNAME, 0, &valType, (LPBYTE)phSocket, &valLen)) { RegCloseKey(hKey); return FALSE; } RegCloseKey(hKey); return TRUE; } //------------------------------------------------------------------------------ BOOL getPhysAddressFromReg(PCLIENT_CONTEXT pcc) { HKEY hKey; DWORD dwValType, dwValueLen; if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,TEXT("Drivers\\Display\\EPSON"),0,0,&hKey)) return FALSE; dwValueLen = sizeof(pcc->pbPhysAddress); if (RegQueryValueEx(hKey,TEXT("MediaPlug"),0, &dwValType,(LPBYTE)(&(pcc->pbPhysAddress)),&dwValueLen)) { RegCloseKey(hKey); return FALSE; } RegCloseKey(hKey); return TRUE; } //------------------------------------------------------------------------------ STATUS StatusCallback(CARD_EVENT EventCode, CARD_SOCKET_HANDLE hSocket, PCARD_EVENT_PARMS pParms) { PCLIENT_CONTEXT pcc = (PCLIENT_CONTEXT) pParms->uClientData; //pointer to the client context structure! switch (EventCode) { case CE_CARD_REMOVAL: pcc->bCardPresent=FALSE; //the card is gone! pcc->bInitialized=FALSE; //the camera is thus not initialized anymore! break; default: break; //for now we do nothing } return CERR_SUCCESS; } //------------------------------------------------------------------------------ BOOL InitHardwareContextPCMCIA(DWORD dwContext,PCLIENT_CONTEXT pcc) { #ifdef WINNOV_NOT_OAK CARD_REGISTER_PARMS parms; CARD_WINDOW_PARMS winparms; CARD_WINDOW_HANDLE hCardWindow; pcc->CMD_Offset = 0; //offset in words pcc->LCMD_Offset = 1; //offset in words pcc->DATA_Offset = 0x800; //offset in words pcc->DW_DATA_Offset = 0x400; //offset in dwords... pcc->memWindowSize = (DWORD) MEM_WINDOW_SIZE_PCMCIA; // Fill parms and register with card services as memory client. parms.fEventMask = EVENT_MASK_CARD_DETECT | EVENT_MASK_EJECT_REQ ; parms.uClientData = (UINT32)pcc; parms.fAttributes = CLIENT_ATTR_IO_DRIVER | CLIENT_ATTR_NOTIFY_EXCLUSIVE; pcc->hCardClient = CardRegisterClient(StatusCallback, &parms); if (pcc->hCardClient == 0) { #ifdef _DEBUG wsprintf(cDebugBuf,TEXT("MOVIEDLL: CardRegisterClient() failed %d.\r\n"),GetLastError()); OutputDebugString(cDebugBuf); #endif return FALSE; } // Get a memory window. winparms.fAttributes = 0; winparms.hSocket = pcc->hSocket; winparms.uWindowSize = pcc->memWindowSize; winparms.fAccessSpeed = WIN_SPEED_USE_WAIT; if (!(hCardWindow = CardRequestWindow(pcc->hCardClient, &winparms))) { #ifdef _DEBUG wsprintf(cDebugBuf,TEXT("MOVIEDLL: CardRequestWindow() failed %d.\r\n"),GetLastError()); OutputDebugString(cDebugBuf); #endif CardDeregisterClient(pcc->hCardClient); pcc->hCardClient=NULL; return FALSE; } //map the memory window. if(!(pcc->pMemWindow = (WORD *) CardMapWindow(hCardWindow, 0, pcc->memWindowSize, &pcc->memGranularity))) { #ifdef _DEBUG wsprintf(cDebugBuf,TEXT("MOVIEDLL: CardMapWindow() failed %d.\r\n"),GetLastError()); OutputDebugString(cDebugBuf); #endif CardDeregisterClient(pcc->hCardClient); pcc->hCardClient=NULL; return FALSE; } return TRUE; #else return FALSE; #endif } //------------------------------------------------------------------------------ BOOL InitHardwareContextEPSON(PCLIENT_CONTEXT pcc) { // SED1356 settings: register 0x1C must be 0 #ifndef WINNOV_NOT_OAK pcc->CMD_Offset = 2; //offset in words pcc->LCMD_Offset = 0; //offset in words pcc->DATA_Offset = 4; //offset in words pcc->DW_DATA_Offset = 2; //offset in dwords... pcc->memWindowSize = (DWORD) MEM_WINDOW_SIZE_EPSON; pcc->memGranularity = 1; pcc->pMemWindow = (WORD *)VirtualAlloc(0,pcc->memWindowSize, MEM_RESERVE, PAGE_NOACCESS); if (!pcc->pMemWindow) { #ifdef _DEBUG OutputDebugString(TEXT("Could not allocate virtual memory\r\n")); #endif return FALSE; } if ( !VirtualCopy(pcc->pMemWindow, // pointer to destination memory (LPVOID)(((DWORD)(pcc->pbPhysAddress)) >> 8), // pointer to committed memory pcc->memWindowSize, // size, in bytes, of the region PAGE_READWRITE|PAGE_NOCACHE|PAGE_PHYSICAL) ) { #ifdef _DEBUG OutputDebugString(TEXT("Could not bind physical memory to virtual memory\r\n")); #endif VirtualFree(pcc->pMemWindow, 0, MEM_RELEASE); pcc->pMemWindow=NULL; return FALSE; } return TRUE; #else return FALSE; #endif } //------------------------------------------------------------------------------ BOOL InitHardwareContext(DWORD dwContext,PCLIENT_CONTEXT pcc) { switch (pcc->IntType) { case INTERFACE_MEDIAPLUG_PCMCIA: return InitHardwareContextPCMCIA(dwContext,pcc); case INTERFACE_EPSON_MEDIAPLUG: return InitHardwareContextEPSON(pcc); default: return FALSE; } } //------------------------------------------------------------------------------------ BOOL DetectHardware(DWORD dwContext, PCLIENT_CONTEXT pcc) { pcc->HwType = HARDWARE_IS_VIDEUMCAM; // check if it is the EPSON SED1356 board if (getPhysAddressFromReg(pcc)) { pcc->IntType = INTERFACE_EPSON_MEDIAPLUG; pcc->bPhysAddrFound = TRUE; return TRUE; } // check if PCMCIA // Get card socket handle from device registry. Note: the dwContext // is a pointer to active key in registry which holds the socket handle. if (getSocketHandle((LPTSTR)dwContext, &(pcc->hSocket))) { pcc->IntType = INTERFACE_MEDIAPLUG_PCMCIA; pcc->bPhysAddrFound = TRUE; return TRUE; } return FALSE; } //------------------------------------------------------------------------------------ BOOL DeInitHardwareContext(PCLIENT_CONTEXT pcc) { STATUS status; if(!pcc) return FALSE; switch (pcc->IntType) { case INTERFACE_EPSON_MEDIAPLUG: if (!VirtualFree((LPVOID)pcc->pMemWindow, 0, MEM_RELEASE)) { #ifdef _DEBUG OutputDebugString(TEXT("MOVIEDLL: VirtualFree failed %d\r\n")); #endif return FALSE; } case INTERFACE_MEDIAPLUG_PCMCIA: #ifdef WINNOV_NOT_OAK // Deregister with card services. if(pcc->hCardClient) if ((status = CardDeregisterClient(pcc->hCardClient)) != CERR_SUCCESS) { #ifdef _DEBUG wsprintf(cDebugBuf,TEXT("MOVIEDLL: DeregisterClient failed %d\r\n"), status); OutputDebugString(cDebugBuf); #endif return FALSE; } #else return FALSE; #endif default: return FALSE; } return TRUE; }