/*
* Interrupt service function for the I2C Interface
*
* Clears the Interrupt source
*
* Reads the register and check it for sending a trap.
*
* Starts the timer if necessary.
*/
void SkI2cIsr(
SK_AC *pAC, /* Adapter Context */
SK_IOC IoC) /* I/O Context */
{
SK_EVPARA Para;
/* Clear I2C IRQ */
SK_OUT32(IoC, B2_I2C_IRQ, I2C_CLR_IRQ);
Para.Para64 = 0;
SkEventQueue(pAC, SKGE_I2C, SK_I2CEV_IRQ, Para);
} /* SkI2cIsr */
static void timer_done(
SK_AC *pAC, /* Adapters context */
SK_IOC Ioc, /* IoContext */
int Restart) /* Do we need to restart the Hardware timer ? */
{
SK_U32 Delta;
SK_TIMER *pTm;
SK_TIMER *pTComp; /* Timer completed now now */
SK_TIMER **ppLast; /* Next field of Last timer to be deq */
int Done = 0;
Delta = SkHwtRead(pAC, Ioc);
ppLast = &pAC->Tim.StQueue;
pTm = pAC->Tim.StQueue;
while (pTm && !Done) {
if (Delta >= pTm->TmDelta) {
/* Timer ran out */
pTm->TmActive = SK_FALSE;
Delta -= pTm->TmDelta;
ppLast = &pTm->TmNext;
pTm = pTm->TmNext;
}
else {
/* We found the first timer that did not run out */
pTm->TmDelta -= Delta;
Delta = 0;
Done = 1;
}
}
*ppLast = 0;
/*
* pTm points to the first Timer that did not run out.
* StQueue points to the first Timer that run out.
*/
for ( pTComp = pAC->Tim.StQueue; pTComp; pTComp = pTComp->TmNext) {
SkEventQueue(pAC,pTComp->TmClass, pTComp->TmEvent, pTComp->TmPara);
}
/* Set head of timer queue to the first timer that did not run out */
pAC->Tim.StQueue = pTm;
if (Restart && pAC->Tim.StQueue) {
/* Restart HW timer */
SkHwtStart(pAC, Ioc, pAC->Tim.StQueue->TmDelta);
}
}
/*
* Check this sensors Value against the threshold and send events.
*/
static void SkI2cCheckSensor(
SK_AC *pAC, /* Adapter Context */
SK_SENSOR *pSen)
{
SK_EVPARA ParaLocal;
SK_BOOL TooHigh; /* Is sensor too high? */
SK_BOOL TooLow; /* Is sensor too low? */
SK_U64 CurrTime; /* Current Time */
SK_BOOL DoTrapSend; /* We need to send a trap */
SK_BOOL DoErrLog; /* We need to log the error */
SK_BOOL IsError; /* We need to log the error */
/* Check Dummy Reads first */
if (pAC->I2c.DummyReads > 0) {
pAC->I2c.DummyReads--;
return;
}
/* Get the current time */
CurrTime = SkOsGetTime(pAC);
/* Set para to the most useful setting: The current sensor. */
ParaLocal.Para64 = (SK_U64)pAC->I2c.CurrSens;
/* Check the Value against the thresholds. First: Error Thresholds */
TooHigh = (pSen->SenValue > pSen->SenThreErrHigh);
TooLow = (pSen->SenValue < pSen->SenThreErrLow);
IsError = SK_FALSE;
if (TooHigh || TooLow) {
/* Error condition is satisfied */
DoTrapSend = SK_TRUE;
DoErrLog = SK_TRUE;
/* Now error condition is satisfied */
IsError = SK_TRUE;
if (pSen->SenErrFlag == SK_SEN_ERR_ERR) {
/* This state is the former one */
/* So check first whether we have to send a trap */
if (pSen->SenLastErrTrapTS + SK_SEN_ERR_TR_HOLD >
CurrTime) {
/*
* Do NOT send the Trap. The hold back time
* has to run out first.
*/
DoTrapSend = SK_FALSE;
}
/* Check now whether we have to log an Error */
if (pSen->SenLastErrLogTS + SK_SEN_ERR_LOG_HOLD >
CurrTime) {
/*
* Do NOT log the error. The hold back time
* has to run out first.
*/
DoErrLog = SK_FALSE;
}
}
else {
/* We came from a different state -> Set Begin Time Stamp */
pSen->SenBegErrTS = CurrTime;
pSen->SenErrFlag = SK_SEN_ERR_ERR;
}
if (DoTrapSend) {
/* Set current Time */
pSen->SenLastErrTrapTS = CurrTime;
pSen->SenErrCts++;
/* Queue PNMI Event */
SkEventQueue(pAC, SKGE_PNMI, (TooHigh ?
SK_PNMI_EVT_SEN_ERR_UPP :
SK_PNMI_EVT_SEN_ERR_LOW),
ParaLocal);
}
if (DoErrLog) {
/* Set current Time */
pSen->SenLastErrLogTS = CurrTime;
if (pSen->SenType == SK_SEN_TEMP) {
SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_I2C_E011, SKERR_I2C_E011MSG);
}
else if (pSen->SenType == SK_SEN_VOLT) {
SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_I2C_E012, SKERR_I2C_E012MSG);
}
else {
SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_I2C_E015, SKERR_I2C_E015MSG);
}
}
}
/* Check the Value against the thresholds */
/* 2nd: Warning thresholds */
TooHigh = (pSen->SenValue > pSen->SenThreWarnHigh);
TooLow = (pSen->SenValue < pSen->SenThreWarnLow);
if (!IsError && (TooHigh || TooLow)) {
/* Error condition is satisfied */
DoTrapSend = SK_TRUE;
DoErrLog = SK_TRUE;
if (pSen->SenErrFlag == SK_SEN_ERR_WARN) {
/* This state is the former one */
/* So check first whether we have to send a trap */
if (pSen->SenLastWarnTrapTS + SK_SEN_WARN_TR_HOLD > CurrTime) {
/*
* Do NOT send the Trap. The hold back time
* has to run out first.
*/
DoTrapSend = SK_FALSE;
}
/* Check now whether we have to log an Error */
if (pSen->SenLastWarnLogTS + SK_SEN_WARN_LOG_HOLD > CurrTime) {
/*
* Do NOT log the error. The hold back time
* has to run out first.
*/
DoErrLog = SK_FALSE;
}
}
else {
/* We came from a different state -> Set Begin Time Stamp */
pSen->SenBegWarnTS = CurrTime;
pSen->SenErrFlag = SK_SEN_ERR_WARN;
}
if (DoTrapSend) {
/* Set current Time */
pSen->SenLastWarnTrapTS = CurrTime;
pSen->SenWarnCts++;
/* Queue PNMI Event */
SkEventQueue(pAC, SKGE_PNMI, (TooHigh ?
SK_PNMI_EVT_SEN_WAR_UPP :
SK_PNMI_EVT_SEN_WAR_LOW),
ParaLocal);
}
if (DoErrLog) {
/* Set current Time */
pSen->SenLastWarnLogTS = CurrTime;
if (pSen->SenType == SK_SEN_TEMP) {
SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_I2C_E009, SKERR_I2C_E009MSG);
}
else if (pSen->SenType == SK_SEN_VOLT) {
SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_I2C_E010, SKERR_I2C_E010MSG);
}
else {
SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_I2C_E014, SKERR_I2C_E014MSG);
}
}
}
/* Check for NO error at all */
if (!IsError && !TooHigh && !TooLow) {
/* Set o.k. Status if no error and no warning condition */
pSen->SenErrFlag = SK_SEN_ERR_OK;
}
/* End of check against the thresholds */
/* Bug fix AF: 16.Aug.2001: Correct the init base
* of LM80 sensor.
*/
if (pSen->SenInit == SK_SEN_DYN_INIT_PCI_IO) {
pSen->SenInit = SK_SEN_DYN_INIT_NONE;
if (pSen->SenValue > SK_SEN_PCI_IO_RANGE_LIMITER) {
/* 5V PCI-IO Voltage */
pSen->SenThreWarnLow = SK_SEN_PCI_IO_5V_LOW_WARN;
pSen->SenThreErrLow = SK_SEN_PCI_IO_5V_LOW_ERR;
}
else {
/* 3.3V PCI-IO Voltage */
pSen->SenThreWarnHigh = SK_SEN_PCI_IO_3V3_HIGH_WARN;
pSen->SenThreErrHigh = SK_SEN_PCI_IO_3V3_HIGH_ERR;
}
}
#ifdef TEST_ONLY
/* Dynamic thresholds also for VAUX of LM80 sensor */
if (pSen->SenInit == SK_SEN_DYN_INIT_VAUX) {
pSen->SenInit = SK_SEN_DYN_INIT_NONE;
/* 3.3V VAUX Voltage */
if (pSen->SenValue > SK_SEN_VAUX_RANGE_LIMITER) {
pSen->SenThreWarnLow = SK_SEN_VAUX_3V3_LOW_WARN;
pSen->SenThreErrLow = SK_SEN_VAUX_3V3_LOW_ERR;
}
/* 0V VAUX Voltage */
else {
pSen->SenThreWarnHigh = SK_SEN_VAUX_0V_WARN_ERR;
pSen->SenThreErrHigh = SK_SEN_VAUX_0V_WARN_ERR;
}
}
/*
* Check initialization state:
* The VIO Thresholds need adaption
*/
if (!pSen->SenInit && pSen->SenReg == LM80_VT1_IN &&
pSen->SenValue > SK_SEN_WARNLOW2C &&
pSen->SenValue < SK_SEN_WARNHIGH2) {
pSen->SenThreErrLow = SK_SEN_ERRLOW2C;
pSen->SenThreWarnLow = SK_SEN_WARNLOW2C;
pSen->SenInit = SK_TRUE;
}
if (!pSen->SenInit && pSen->SenReg == LM80_VT1_IN &&
pSen->SenValue > SK_SEN_WARNLOW2 &&
pSen->SenValue < SK_SEN_WARNHIGH2C) {
pSen->SenThreErrHigh = SK_SEN_ERRHIGH2C;
pSen->SenThreWarnHigh = SK_SEN_WARNHIGH2C;
pSen->SenInit = SK_TRUE;
}
#endif
if (pSen->SenInit != SK_SEN_DYN_INIT_NONE) {
SK_ERR_LOG(pAC, SK_ERRCL_HW, SKERR_I2C_E013, SKERR_I2C_E013MSG);
}
} /* SkI2cCheckSensor */
