static DWORD MFC_IntrThread(void)
{
unsigned int intr_reason;
while (1)
{
// Wait for MFC Interrupt
WaitForSingleObject(gMfcIntrEvent, INFINITE);
// Only SEQ_INIT, SEQ_END, PIC_RUN and BUFFER EMPTY/FULL interrupts
// will be processed.
intr_reason = MfcIntrReason();
RETAILMSG(0, (L"(( MFC Interrupt ) reason = 0x%X\n", intr_reason));
if (intr_reason & MFC_INTR_ENABLE_RESET) {
// On the MFC Interrupt,
// MFC command completion event will be sent.
// This event wakes up the task in WaitInterruptNotification() function.
SendInterruptNotification(intr_reason);
}
// Clearing MFC interrupt bit
MfcClearIntr();
// Notify to Kernel that MFC Interrupt processing is completed.
InterruptDone(g_MfcSysIntr);
}
}
static irqreturn_t s3c_mfc_irq(int irq, void *dev_id, struct pt_regs *regs)
{
unsigned int intReason;
MFCInstCtx *pMfcInst;
pMfcInst = (MFCInstCtx *)dev_id;
intReason = MfcIntrReason();
if (intReason & 0xC00E) { // if PIC_RUN, buffer full and buffer empty interrupt
SendInterruptNotification(intReason);
}
MfcClearIntr();
return IRQ_HANDLED;
}