BOOL
CRomiDisk::WaitForInterrupt(
DWORD dwTimeOut
)
{
BYTE bStatus;
BOOL fRet = TRUE;
DWORD dwRet;
// wait for interrupt
dwRet = WaitForSingleObject(m_pPort->m_hIRQEvent, dwTimeOut);
if (dwRet == WAIT_TIMEOUT) {
fRet = FALSE;
}
else {
if (dwRet != WAIT_OBJECT_0) {
if (!WaitForDisc(WAIT_TYPE_DRQ, dwTimeOut, 10)) {
fRet = FALSE;
}
}
}
// read status; acknowledge interrupt
bStatus = GetBaseStatus();
if (bStatus & ATA_STATUS_ERROR) {
bStatus = GetError();
fRet = FALSE;
}
// signal interrupt done
InterruptDone(m_pPort->m_dwSysIntr);
return fRet;
}
BOOL
CST202T_SATA::SetLookAhead(
)
{
BYTE bError = 0;
BYTE bStatus = 0;
// select device
SelectDevice();
// wait for device to acknowledge selection
WaitForDisc(WAIT_TYPE_NOT_BUSY, 100);
WaitForDisc(WAIT_TYPE_READY, 1000);
WaitOnBusy(TRUE);
// write command
WriteFeature(ATA_ENABLE_LOOKAHEAD);
WriteCommand(ATAPI_CMD_SET_FEATURES);
// wait for device to respond to command
WaitOnBusy(TRUE);
WaitForDisc(WAIT_TYPE_NOT_BUSY, 200);
// check response
bStatus = GetBaseStatus();
bError = GetError();
if ((bStatus & ATA_STATUS_ERROR) && (bError & ATA_ERROR_ABORTED)) {
DEBUGMSG(ZONE_ERROR, (_T(
"Atapi!CDisk::SetLookAhead> Failed to enable read look-ahead; status(%02X), error(%02X)\r\n"
), bStatus, bError));
ResetController(FALSE);
return FALSE;
}
return TRUE;
}
BOOL
CST202T_SATA::WaitForInterrupt(
DWORD dwTimeOut
)
{
BOOL fRet = TRUE;
DWORD dwRet;
static CONST HANDLE lpHandles[] = {m_pPort->m_hErrorEvent, m_pPort->m_hSATAEvent};
static DWORD dwCount = 2;
// Wait for the ATA interrupt or an error to occur.
dwRet = WaitForMultipleObjects(dwCount, lpHandles, FALSE, dwTimeOut);
if (dwRet == WAIT_FAILED)
{
if (!WaitForDisc(WAIT_TYPE_DRQ, dwTimeOut, 10))
{
fRet = FALSE;
}
}
else if (dwRet == WAIT_TIMEOUT)
{
fRet = FALSE;
}
else if (dwRet == WAIT_OBJECT_0)
{
// SATA error condition detected
DEBUGMSG(ZONE_IO|ZONE_ERROR, (_T(
"Atapi!CST202T_SATA::WaitForInterrupt> SError detected.\r\n"
)));
fRet = FALSE;
}
else // ATA interrupt detected
{
if (m_pPort->m_bStatus & ATA_STATUS_ERROR)
{
DEBUGMSG(ZONE_IO|ZONE_ERROR, (_T(
"Atapi!CST202T_SATA::WaitForInterrupt> Error detected. Error = 0x%x\r\n"
), GetError()));
fRet = FALSE;
}
}
return fRet;
}
