/*
* waits for a completion of an I2C transfer
*
* Returns
* Nothing
*/
void SkI2cWaitIrq(
SK_AC *pAC, /* Adapter Context */
SK_IOC IoC) /* I/O Context */
{
SK_SENSOR *pSen;
SK_U64 StartTime;
SK_U32 IrqSrc;
pSen = &pAC->I2c.SenTable[pAC->I2c.CurrSens];
if (pSen->SenState == SK_SEN_IDLE) {
return;
}
StartTime = SkOsGetTime(pAC);
do {
if (SkOsGetTime(pAC) - StartTime > SK_TICKS_PER_SEC / 8) {
SK_I2C_STOP(IoC);
#ifndef SK_DIAG
SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_I2C_E016, SKERR_I2C_E016MSG);
#endif /* !SK_DIAG */
return;
}
SK_IN32(IoC, B0_ISRC, &IrqSrc);
} while ((IrqSrc & IS_I2C_READY) == 0);
pSen->SenState = SK_SEN_IDLE;
return;
} /* SkI2cWaitIrq */
int spi_timer(SK_AC *pAC, unsigned int t)
{
if (t) {
pAC->TimeBuf = SkOsGetTime(pAC)+(SK_U64)t*SK_TICKS_PER_SEC;
} else {
if (pAC->TimeBuf <= SkOsGetTime(pAC)) {
return(1);
}
}
return(0);
}
/*
* waits for a completion of an I2C transfer
*
* returns 0: success, transfer completes
* 1: error, transfer does not complete, I2C transfer
* killed, wait loop terminated.
*/
int SkI2cWait(
SK_AC *pAC, /* Adapter Context */
SK_IOC IoC, /* I/O Context */
int Event) /* complete event to wait for (I2C_READ or I2C_WRITE) */
{
SK_U64 StartTime;
SK_U32 I2cCtrl;
StartTime = SkOsGetTime(pAC);
do {
if (SkOsGetTime(pAC) - StartTime > SK_TICKS_PER_SEC / 8) {
SK_I2C_STOP(IoC);
#ifndef SK_DIAG
SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_I2C_E002, SKERR_I2C_E002MSG);
#endif /* !SK_DIAG */
return(1);
}
SK_I2C_GET_CTL(IoC, &I2cCtrl);
} while ((I2cCtrl & I2C_FLAG) == (SK_U32)Event << 31);
return(0);
} /* SkI2cWait */
/*
* waits for a completion of a TWSI transfer
*
* returns 0: success, transfer completes
* 1: error, transfer does not complete, TWSI transfer
* killed, wait loop terminated.
*/
int SkI2cWait(
SK_AC *pAC, /* Adapter Context */
SK_IOC IoC, /* I/O Context */
int Event) /* complete event to wait for (I2C_READ or I2C_WRITE) */
{
SK_U64 StartTime;
SK_U64 CurrentTime;
SK_U32 I2cCtrl;
StartTime = SkOsGetTime(pAC);
do {
CurrentTime = SkOsGetTime(pAC);
if (CurrentTime - StartTime > SK_TICKS_PER_SEC / 8) {
SK_I2C_STOP(IoC);
#ifndef SK_DIAG
if (pAC->I2c.InitLevel > SK_INIT_DATA) {
SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_I2C_E002, SKERR_I2C_E002MSG);
}
#endif /* !SK_DIAG */
return(1);
}
SK_I2C_GET_CTL(IoC, &I2cCtrl);
#ifdef xYUKON_DBG
printf("StartTime=%lu, CurrentTime=%lu\n",
StartTime, CurrentTime);
if (kbhit()) {
return(1);
}
#endif /* YUKON_DBG */
} while ((I2cCtrl & I2C_FLAG) == (SK_U32)Event << 31);
return(0);
} /* SkI2cWait */
/*
* 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 */
