void CPdd6410Uart::PostInit()
{
DWORD dwCount=0;
m_HardwareLock.Lock();
m_pReg6410Uart->Write_UCON(0); // Set to Default;
DisableInterrupt(S6410UART_INT_RXD | S6410UART_INT_TXD | S6410UART_INT_ERR | S6410UART_INT_MODEM);
// Mask all interrupt.
while ((GetInterruptStatus() & (S6410UART_INT_RXD | S6410UART_INT_TXD | S6410UART_INT_ERR | S6410UART_INT_MODEM))!=0 && dwCount <MAX_RETRY)
{
InitReceive(TRUE);
InitLine(TRUE);
ClearInterrupt(S6410UART_INT_RXD | S6410UART_INT_TXD | S6410UART_INT_ERR | S6410UART_INT_MODEM);
dwCount++;
}
ASSERT((GetInterruptStatus() & (S6410UART_INT_RXD | S6410UART_INT_TXD | S6410UART_INT_ERR | S6410UART_INT_MODEM))==0);
m_HardwareLock.Unlock();
CSerialPDD::PostInit();
CeSetPriority(m_dwPriority256);
#ifdef DEBUG
if ( ZONE_INIT )
{
m_pReg6410Uart->DumpRegister();
}
#endif
ThreadStart(); // Start IST.
}
BOOL CSerialPDD::Open()
{
PHYSICAL_ADDRESS ioPhysicalBase = { S3C6410_BASE_REG_PA_GPIO, 0};
ULONG inIoSpace = 0;
if (InterlockedExchange(&m_lOpenCount,1) !=0)
return FALSE;
PREFAST_ASSERT(m_PowerHelperHandle!=INVALID_HANDLE_VALUE);
ASSERT(m_hPowerLock==NULL);
m_hPowerLock= DDKPwr_RequestLevel( m_PowerHelperHandle, D0 );
ASSERT(m_hPowerLock!=NULL);
SetDefaultConfiguration();
InitLine(TRUE);
InitReceive(TRUE);
InitXmit(TRUE);
if(cUart_Index==3)
{
if (TranslateBusAddr(m_hParent,Internal,0, ioPhysicalBase,&inIoSpace,&ioPhysicalBase))
{
// Map it if it is Memeory Mapped IO.
g_pIOPregs = (S3C6410_GPIO_REG *)DrvLib_MapIoSpace(ioPhysicalBase.LowPart , sizeof(S3C6410_GPIO_REG),FALSE);
g_pIOPregs->GPCCON &= ~(0xf<<28); ///< Clear Bit
g_pIOPregs->GPCCON |= (0x1<<28); ///< Select UART IP
g_pIOPregs->GPCPUD &= ~(0x3<<14); ///< Pull-Up/Down Disable
//g_pIOPregs->GPCDAT |=1<<7;
}
}
return TRUE;
}
void CSerialPDD::Reset()
{
InitialPower(TRUE);
InitModem(TRUE);
InitLine(TRUE);
InitReceive(TRUE);
InitXmit(TRUE);
InitialEnableInterrupt(TRUE);
}
BOOL CSerialPDD::Close()
{
if (InterlockedExchange(&m_lOpenCount,0) !=1)
return FALSE;
InitXmit(FALSE);
InitReceive(FALSE);
InitLine(FALSE);
PREFAST_ASSERT(m_PowerHelperHandle!=INVALID_HANDLE_VALUE);
ASSERT(m_hPowerLock!=NULL);
DDKPwr_ReleaseLevel(m_PowerHelperHandle, m_hPowerLock);
m_hPowerLock=NULL;
if(cUart_Index==3)
{
//g_pIOPregs->GPCDAT &=~(1<<7);
if (g_pIOPregs!=NULL)
{
DrvLib_UnmapIoSpace((PVOID)g_pIOPregs);
}
}
return TRUE;
}