/*
PVRSRVHWOpTimeoutKM
*/
PVRSRV_ERROR
PVRSRVHWOpTimeoutKM(IMG_VOID)
{
#if defined(PVRSRV_RESET_ON_HWTIMEOUT)
PVR_LOG(("User requested OS reset"));
OSPanic();
#endif
PVR_LOG(("HW operation timeout, dump server info"));
PVRSRVDebugRequest(DEBUG_REQUEST_VERBOSITY_LOW,IMG_NULL);
return PVRSRV_OK;
}
/*
PVRSRVDumpDebugInfoKM
*/
PVRSRV_ERROR
PVRSRVDumpDebugInfoKM(IMG_UINT32 ui32VerbLevel)
{
if (ui32VerbLevel > DEBUG_REQUEST_VERBOSITY_MAX)
{
return PVRSRV_ERROR_INVALID_PARAMS;
}
PVR_LOG(("User requested PVR debug info"));
PVRSRVDebugRequest(ui32VerbLevel, IMG_NULL);
return PVRSRV_OK;
}
/*!
******************************************************************************
@Function PVRSRVSetPowerStateKM
@Description Set the system into a new state
@Input eNewPowerState :
@Input bForced : TRUE if the transition should not fail (e.g. OS request)
@Return PVRSRV_ERROR
******************************************************************************/
IMG_EXPORT
PVRSRV_ERROR PVRSRVSetPowerStateKM(PVRSRV_SYS_POWER_STATE eNewSysPowerState, IMG_BOOL bForced)
{
PVRSRV_ERROR eError;
PVRSRV_DATA *psPVRSRVData = PVRSRVGetPVRSRVData();
IMG_UINT uiStage = 0;
PVRSRV_DEV_POWER_STATE eNewDevicePowerState =
_IsSystemStatePowered(eNewSysPowerState)? PVRSRV_DEV_POWER_STATE_DEFAULT : PVRSRV_DEV_POWER_STATE_OFF;
/* require a proper power state */
if (eNewSysPowerState == PVRSRV_SYS_POWER_STATE_Unspecified)
{
return PVRSRV_ERROR_INVALID_PARAMS;
}
/* no power transition requested, so do nothing */
if (eNewSysPowerState == psPVRSRVData->eCurrentPowerState)
{
return PVRSRV_OK;
}
/* Prevent simultaneous SetPowerStateKM calls */
PVRSRVForcedPowerLock();
/* Perform pre transitions: first device and then sys layer */
eError = PVRSRVDevicePrePowerStateKM(IMG_TRUE, 0, eNewDevicePowerState, bForced);
if (eError != PVRSRV_OK)
{
uiStage++;
goto ErrorExit;
}
eError = PVRSRVSysPrePowerState(eNewSysPowerState, bForced);
if (eError != PVRSRV_OK)
{
uiStage++;
goto ErrorExit;
}
/* Perform system-specific post power transitions: first sys layer and then device */
eError = PVRSRVSysPostPowerState(eNewSysPowerState, bForced);
if (eError != PVRSRV_OK)
{
uiStage++;
goto ErrorExit;
}
eError = PVRSRVDevicePostPowerStateKM(IMG_TRUE, 0, eNewDevicePowerState, bForced);
if (eError != PVRSRV_OK)
{
uiStage++;
goto ErrorExit;
}
psPVRSRVData->eCurrentPowerState = eNewSysPowerState;
psPVRSRVData->eFailedPowerState = PVRSRV_SYS_POWER_STATE_Unspecified;
PVRSRVPowerUnlock();
/*
Reprocess the devices' queues in case commands were blocked during
the power transition.
*/
if (_IsSystemStatePowered(eNewSysPowerState) &&
PVRSRVGetInitServerState(PVRSRV_INIT_SERVER_SUCCESSFUL))
{
PVRSRVCheckStatus(IMG_NULL);
}
return PVRSRV_OK;
ErrorExit:
/* save the power state for the re-attempt */
psPVRSRVData->eFailedPowerState = eNewSysPowerState;
PVRSRVPowerUnlock();
PVR_DPF((PVR_DBG_ERROR,
"PVRSRVSetPowerStateKM: Transition from %d to %d FAILED (%s) at stage %d, forced: %d. Dumping debug info.",
psPVRSRVData->eCurrentPowerState, eNewSysPowerState, PVRSRVGetErrorStringKM(eError), uiStage, bForced));
PVRSRVDebugRequest(DEBUG_REQUEST_VERBOSITY_MAX);
return eError;
}
