PVRSRV_ERROR SysSystemPrePowerState(PVRSRV_SYS_POWER_STATE eNewPowerState)
{
PVRSRV_ERROR eError= PVRSRV_OK;
PVR_PCI_DEV *psPVRPCI = (PVR_PCI_DEV *)(gsSysSpecificData.hSGXPCI);
if (eNewPowerState != gpsSysData->eCurrentPowerState)
{
if ((eNewPowerState == PVRSRV_SYS_POWER_STATE_D3) &&
(gpsSysData->eCurrentPowerState < PVRSRV_SYS_POWER_STATE_D3))
{
#if !defined(SUPPORT_DRI_DRM_EXT)
drm_irq_uninstall(gpDrmDevice);
#endif
SysUnmapRegisters();
//Save some pci state that won't get saved properly by pci_save_state()
pci_read_config_dword(psPVRPCI->psPCIDev, 0x5C, &gsSysSpecificData.saveBSM);
pci_read_config_dword(psPVRPCI->psPCIDev, 0xFC, &gsSysSpecificData.saveVBT);
pci_read_config_dword(psPVRPCI->psPCIDev, MRST_PCIx_MSI_ADDR_LOC, &gsSysSpecificData.msi_addr);
pci_read_config_dword(psPVRPCI->psPCIDev, MRST_PCIx_MSI_DATA_LOC, &gsSysSpecificData.msi_data);
#if !defined(SUPPORT_DRI_DRM_EXT)
eError = OSPCISuspendDev(gsSysSpecificData.hSGXPCI);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPrePowerState: OSPCISuspendDev failed (%d)", eError));
}
#endif
}
}
return eError;
}
/*!
******************************************************************************
@Function SysSystemPrePowerState
@Description Perform system-level processing required before a system power
transition
@Input eNewPowerState :
@Return PVRSRV_ERROR :
******************************************************************************/
PVRSRV_ERROR SysSystemPrePowerState(PVRSRV_SYS_POWER_STATE eNewPowerState)
{
PVRSRV_ERROR eError= PVRSRV_OK;
if (eNewPowerState != gpsSysData->eCurrentPowerState)
{
if ((eNewPowerState == PVRSRV_SYS_POWER_STATE_D3) &&
(gpsSysData->eCurrentPowerState < PVRSRV_SYS_POWER_STATE_D3))
{
/*
* About to enter D3 state.
*/
#if defined(SYS_USING_INTERRUPTS)
if (SYS_SPECIFIC_DATA_TEST(&gsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_IRQ))
{
SysDisableInterrupts(gpsSysData);
SYS_SPECIFIC_DATA_SET(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_IRQ_DISABLE);
SYS_SPECIFIC_DATA_CLEAR(&gsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_IRQ);
}
if (SYS_SPECIFIC_DATA_TEST(&gsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_LISR))
{
eError = OSUninstallSystemLISR(gpsSysData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPrePowerState: OSUninstallSystemLISR failed (%d)", eError));
}
SYS_SPECIFIC_DATA_SET(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_UNINSTALL_LISR);
SYS_SPECIFIC_DATA_CLEAR(&gsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_LISR);
}
#endif /* defined(SYS_USING_INTERRUPTS) */
/*
* Since this is a local memory architecture system,
* any local memory which is currently in use must
* be saved before power down.
*/
SysSaveRestoreArenaLiveSegments(IMG_TRUE);
/*
* Unmap the system-level registers.
*/
SysUnmapRegisters();
#ifdef __linux__
eError = OSPCISuspendDev(gsSysSpecificData.hSGXPCI);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPrePowerState: OSPCISuspendDev failed (%d)", eError));
}
#endif
}
}
return eError;
}
PVRSRV_ERROR SysSystemPrePowerState(PVRSRV_SYS_POWER_STATE eNewPowerState)
{
#if !defined(SUPPORT_DRI_DRM_EXT)
PVRSRV_ERROR eError= PVRSRV_OK;
if (eNewPowerState != gpsSysData->eCurrentPowerState)
{
if ((eNewPowerState == PVRSRV_SYS_POWER_STATE_D3) &&
(gpsSysData->eCurrentPowerState < PVRSRV_SYS_POWER_STATE_D3))
{
if (SYS_SPECIFIC_DATA_TEST(&gsSysSpecificData, SYS_SPECIFIC_DATA_IRQ_ENABLED))
{
SysDisableInterrupts(gpsSysData);
SYS_SPECIFIC_DATA_SET(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_IRQ_DISABLE);
SYS_SPECIFIC_DATA_CLEAR(&gsSysSpecificData, SYS_SPECIFIC_DATA_IRQ_ENABLED);
}
#if defined(SYS_USING_INTERRUPTS)
if (SYS_SPECIFIC_DATA_TEST(&gsSysSpecificData, SYS_SPECIFIC_DATA_LISR_INSTALLED))
{
eError = OSUninstallSystemLISR(gpsSysData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPrePowerState: OSUninstallSystemLISR failed (%d)", eError));
}
SYS_SPECIFIC_DATA_SET(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_UNINSTALL_LISR);
SYS_SPECIFIC_DATA_CLEAR(&gsSysSpecificData, SYS_SPECIFIC_DATA_LISR_INSTALLED);
}
#endif
SysUnmapRegisters();
eError = OSPCISuspendDev(gsSysSpecificData.hSGXPCI);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPrePowerState: OSPCISuspendDev failed (%d)", eError));
}
}
}
return eError;
#else
PVR_UNREFERENCED_PARAMETER(eNewPowerState);
return PVRSRV_ERROR_NOT_SUPPORTED;
#endif
}
