Exemplo n.º 1
0
/***********************************************************************//**
 * Perform system-level processing required after a system power transition
 *
 * @param eNewPowerState		Power state we're switching to
 *
 * @returns PVRSRV_OK for success, or failure code
 **************************************************************************/
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))
		{
			/*
			 * 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;
			}

			/*
			 * Remap the system-level registers.
			 */
			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 /* defined (SYS_USING_INTERRUPTS) */

			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;
}
Exemplo n.º 2
0
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;
}
Exemplo n.º 3
0
/*!
******************************************************************************

 @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;
}
Exemplo n.º 4
0
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
}