PVRSRV_ERROR SysSystemPostPowerState(PVRSRV_SYS_POWER_STATE eNewPowerState)
{
PVRSRV_ERROR eError = PVRSRV_OK;
PVR_PCI_DEV *psPVRPCI = (PVR_PCI_DEV *)(gsSysSpecificData.hSGXPCI);
if (eNewPowerState != gpsSysData->eCurrentPowerState)
{
if ((gpsSysData->eCurrentPowerState == PVRSRV_SYS_POWER_STATE_D3) &&
(eNewPowerState < PVRSRV_SYS_POWER_STATE_D3))
{
#if !defined(SUPPORT_DRI_DRM_EXT)
eError = OSPCIResumeDev(gsSysSpecificData.hSGXPCI);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPostPowerState: OSPCIResumeDev failed (%d)", eError));
return eError;
}
#endif
//Restore some pci state that will not have gotten restored properly by pci_restore_state()
pci_write_config_dword(psPVRPCI->psPCIDev, 0x5c, gsSysSpecificData.saveBSM);
pci_write_config_dword(psPVRPCI->psPCIDev, 0xFC, gsSysSpecificData.saveVBT);
pci_write_config_dword(psPVRPCI->psPCIDev, MRST_PCIx_MSI_ADDR_LOC, gsSysSpecificData.msi_addr);
pci_write_config_dword(psPVRPCI->psPCIDev, MRST_PCIx_MSI_DATA_LOC, gsSysSpecificData.msi_data);
eError = SysLocateDevices(gpsSysData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPostPowerState: Failed to locate devices"));
return eError;
}
eError = SysMapInRegisters();
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPostPowerState: Failed to map in registers"));
return eError;
}
#if !defined(SUPPORT_DRI_DRM_EXT)
drm_irq_install(gpDrmDevice);
#endif
}
}
return eError;
}
/*!
******************************************************************************
@Function SysSystemPostPowerState
@Description Perform system-level processing required after a system power
transition
@Input eNewPowerState :
@Return PVRSRV_ERROR :
******************************************************************************/
PVRSRV_ERROR SysSystemPostPowerState(PVRSRV_SYS_POWER_STATE eNewPowerState)
{
PVRSRV_ERROR eError = PVRSRV_OK;
if (eNewPowerState != gpsSysData->eCurrentPowerState)
{
if ((gpsSysData->eCurrentPowerState == PVRSRV_SYS_POWER_STATE_D3) &&
(eNewPowerState < PVRSRV_SYS_POWER_STATE_D3))
{
#ifdef __linux__
eError = OSPCIResumeDev(gsSysSpecificData.hSGXPCI);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPostPowerState: OSPCIResumeDev failed (%d)", eError));
}
#endif
/*
Returning from D3 state.
Find the device again as it may have been remapped.
*/
eError = SysLocateDevices(gpsSysData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPostPowerState: Failed to locate devices"));
return eError;
}
/*
* Since this is a local memory architecture system, any local memory
* which is currently in use must be restored before power up.
*/
SysSaveRestoreArenaLiveSegments(IMG_FALSE);
/*
* Map the system-level registers.
*/
eError = SysMapInRegisters();
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPostPowerState: Failed to map in registers"));
return eError;
}
/* Reset Atlas. */
eError = SysInitRegisters();
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPostPowerState: Failed to Initialise registers"));
return eError;
}
#if defined(SYS_USING_INTERRUPTS)
if (SYS_SPECIFIC_DATA_TEST(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_UNINSTALL_LISR))
{
eError = OSInstallSystemLISR(gpsSysData, gsSGXDeviceMap.ui32IRQ);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPostPowerState: OSInstallSystemLISR failed to install ISR (%d)", eError));
}
SYS_SPECIFIC_DATA_SET(&gsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_LISR);
SYS_SPECIFIC_DATA_CLEAR(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_UNINSTALL_LISR);
}
if (SYS_SPECIFIC_DATA_TEST(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_IRQ_DISABLE))
{
SysEnableInterrupts(gpsSysData);
SYS_SPECIFIC_DATA_SET(&gsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_IRQ);
SYS_SPECIFIC_DATA_CLEAR(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_IRQ_DISABLE);
}
#endif /* defined(SYS_USING_INTERRUPTS) */
}
}
return eError;
}
PVRSRV_ERROR SysSystemPostPowerState(PVRSRV_SYS_POWER_STATE eNewPowerState)
{
#if !defined(SUPPORT_DRI_DRM_EXT)
PVRSRV_ERROR eError = PVRSRV_OK;
if (eNewPowerState != gpsSysData->eCurrentPowerState)
{
if ((gpsSysData->eCurrentPowerState == PVRSRV_SYS_POWER_STATE_D3) &&
(eNewPowerState < PVRSRV_SYS_POWER_STATE_D3))
{
eError = OSPCIResumeDev(gsSysSpecificData.hSGXPCI);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPostPowerState: OSPCIResumeDev failed (%d)", eError));
return eError;
}
eError = SysLocateDevices(gpsSysData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPostPowerState: Failed to locate devices"));
return eError;
}
eError = SysMapInRegisters();
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPostPowerState: Failed to map in registers"));
return eError;
}
#if defined(SYS_USING_INTERRUPTS)
if (SYS_SPECIFIC_DATA_TEST(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_UNINSTALL_LISR))
{
eError = OSInstallSystemLISR(gpsSysData, gsSGXDeviceMap.ui32IRQ);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPostPowerState: OSInstallSystemLISR failed to install ISR (%d)", eError));
}
SYS_SPECIFIC_DATA_SET(&gsSysSpecificData, SYS_SPECIFIC_DATA_LISR_INSTALLED);
SYS_SPECIFIC_DATA_CLEAR(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_UNINSTALL_LISR);
}
#endif
if (SYS_SPECIFIC_DATA_TEST(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_IRQ_DISABLE))
{
SysEnableInterrupts(gpsSysData);
SYS_SPECIFIC_DATA_SET(&gsSysSpecificData, SYS_SPECIFIC_DATA_IRQ_ENABLED);
SYS_SPECIFIC_DATA_CLEAR(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_IRQ_DISABLE);
}
}
}
return eError;
#else
PVR_UNREFERENCED_PARAMETER(eNewPowerState);
return PVRSRV_ERROR_NOT_SUPPORTED;
#endif
}
