/*!
******************************************************************************
@Function SysSystemPrePowerState
@Description Perform system-level processing required before a power transition
@Input eNewPowerState :
@Return PVRSRV_ERROR
******************************************************************************/
PVRSRV_ERROR SysSystemPrePowerState(PVRSRV_SYS_POWER_STATE eNewPowerState)
{
PVRSRV_ERROR eError = PVRSRV_OK;
if (eNewPowerState == PVRSRV_SYS_POWER_STATE_D3)
{
PVR_TRACE(("SysSystemPrePowerState: Entering state D3"));
#if defined(SYS_USING_INTERRUPTS)
if (SYS_SPECIFIC_DATA_TEST(&gsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_LISR))
{
#if defined(SYS_CUSTOM_POWERLOCK_WRAP)
IMG_BOOL bWrapped = WrapSystemPowerChange(&gsSysSpecificData);
#endif
eError = OSUninstallDeviceLISR(gpsSysData);
#if defined(SYS_CUSTOM_POWERLOCK_WRAP)
if (bWrapped)
{
UnwrapSystemPowerChange(&gsSysSpecificData);
}
#endif
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysSystemPrePowerState: OSUninstallDeviceLISR failed (%d)", eError));
return eError;
}
SYS_SPECIFIC_DATA_SET(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_UNINSTALL_LISR);
SYS_SPECIFIC_DATA_CLEAR(&gsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_LISR);
}
#endif
if (SYS_SPECIFIC_DATA_TEST(&gsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_SYSCLOCKS))
{
DisableSystemClocks(gpsSysData);
SYS_SPECIFIC_DATA_SET(&gsSysSpecificData, SYS_SPECIFIC_DATA_PM_DISABLE_SYSCLOCKS);
SYS_SPECIFIC_DATA_CLEAR(&gsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_SYSCLOCKS);
}
}
return eError;
}
/*!
******************************************************************************
@Function SysDeinitialise
@Description De-initialises kernel services at 'driver unload' time
@Return PVRSRV_ERROR
******************************************************************************/
PVRSRV_ERROR SysDeinitialise (SYS_DATA *psSysData)
{
PVRSRV_ERROR eError;
PVR_UNREFERENCED_PARAMETER(psSysData);
if(gpsSysData->pvSOCTimerRegisterKM)
{
OSUnReservePhys(gpsSysData->pvSOCTimerRegisterKM,
4,
PVRSRV_HAP_MULTI_PROCESS|PVRSRV_HAP_UNCACHED,
gpsSysData->hSOCTimerRegisterOSMemHandle);
}
#if defined(SYS_USING_INTERRUPTS)
if (SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_LISR))
{
eError = OSUninstallDeviceLISR(gpsSysData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysDeinitialise: OSUninstallDeviceLISR failed"));
return eError;
}
}
#endif
if (SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_MISR))
{
eError = OSUninstallMISR(gpsSysData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysDeinitialise: OSUninstallMISR failed"));
return eError;
}
}
if (SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_INITDEV))
{
#if defined(SUPPORT_ACTIVE_POWER_MANAGEMENT)
PVR_ASSERT(SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_SYSCLOCKS));
/* Reenable SGX clocks whilst SGX is being deinitialised. */
eError = EnableSGXClocksWrap(gpsSysData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysDeinitialise: EnableSGXClocks failed"));
return eError;
}
#endif /* SUPPORT_ACTIVE_POWER_MANAGEMENT */
/* Deinitialise SGX */
eError = PVRSRVDeinitialiseDevice(gui32SGXDeviceID);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysDeinitialise: failed to de-init the device"));
return eError;
}
}
/* Disable system clocks. Must happen after last access to hardware */
if (SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_SYSCLOCKS))
{
DisableSystemClocks(gpsSysData);
}
if (SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_DVFS_INIT))
{
eError = SysDvfsDeinitialize(gpsSysSpecificData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysDeinitialise: Failed to de-init DVFS"));
gpsSysData = IMG_NULL;
return eError;
}
}
if (SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_PM_RUNTIME))
{
eError = SysPMRuntimeUnregister();
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysDeinitialise: Failed to unregister with OSPM!"));
gpsSysData = IMG_NULL;
return eError;
}
}
if (SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_ENVDATA))
{
eError = OSDeInitEnvData(gpsSysData->pvEnvSpecificData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysDeinitialise: failed to de-init env structure"));
return eError;
}
}
SysDeinitialiseCommon(gpsSysData);
#if defined(NO_HARDWARE) || defined(SGX_OCP_REGS_ENABLED)
if(gsSGXRegsCPUVAddr != IMG_NULL)
{
#if defined(NO_HARDWARE)
/* Free hardware resources. */
OSBaseFreeContigMemory(SYS_OMAP3630_SGX_REGS_SIZE, gsSGXRegsCPUVAddr, gsSGXDeviceMap.sRegsCpuPBase);
#else
#if defined(SGX_OCP_REGS_ENABLED)
OSUnMapPhysToLin(gsSGXRegsCPUVAddr,
gsSGXDeviceMap.ui32RegsSize,
PVRSRV_HAP_UNCACHED|PVRSRV_HAP_KERNEL_ONLY,
IMG_NULL);
gpvOCPRegsLinAddr = IMG_NULL;
#endif
#endif /* defined(NO_HARDWARE) */
gsSGXRegsCPUVAddr = IMG_NULL;
gsSGXDeviceMap.pvRegsCpuVBase = gsSGXRegsCPUVAddr;
}
#endif /* defined(NO_HARDWARE) || defined(SGX_OCP_REGS_ENABLED) */
gpsSysSpecificData->ui32SysSpecificData = 0;
gpsSysSpecificData->bSGXInitComplete = IMG_FALSE;
gpsSysData = IMG_NULL;
return PVRSRV_OK;
}
PVRSRV_ERROR SysDeinitialise (SYS_DATA *psSysData)
{
PVRSRV_ERROR eError;
#if defined(SYS_USING_INTERRUPTS)
if (SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_LISR))
{
eError = OSUninstallDeviceLISR(psSysData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysDeinitialise: OSUninstallDeviceLISR failed"));
return eError;
}
}
#endif
if (SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_MISR))
{
eError = OSUninstallMISR(psSysData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysDeinitialise: OSUninstallMISR failed"));
return eError;
}
}
if (SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_INITDEV))
{
#if defined(SUPPORT_ACTIVE_POWER_MANAGEMENT)
PVR_ASSERT(SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_SYSCLOCKS));
eError = EnableSGXClocksWrap(gpsSysData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysDeinitialise: EnableSGXClocks failed"));
return eError;
}
#endif
eError = PVRSRVDeinitialiseDevice (gui32SGXDeviceID);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysDeinitialise: failed to de-init the device"));
return eError;
}
}
#if defined(SGX_OCP_REGS_ENABLED)
if (SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_OCPREGS))
{
OSUnMapPhysToLin(gpvOCPRegsLinAddr,
SYS_OMAP3430_OCP_REGS_SIZE,
PVRSRV_HAP_UNCACHED|PVRSRV_HAP_KERNEL_ONLY,
IMG_NULL);
}
#endif
if (SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_SYSCLOCKS))
{
DisableSystemClocks(gpsSysData);
}
if (SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_ENVDATA))
{
eError = OSDeInitEnvData(gpsSysData->pvEnvSpecificData);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"SysDeinitialise: failed to de-init env structure"));
return eError;
}
}
if(gpsSysData->pvSOCTimerRegisterKM)
{
OSUnReservePhys(gpsSysData->pvSOCTimerRegisterKM,
4,
PVRSRV_HAP_MULTI_PROCESS|PVRSRV_HAP_UNCACHED,
gpsSysData->hSOCTimerRegisterOSMemHandle);
}
SysDeinitialiseCommon(gpsSysData);
#if defined(NO_HARDWARE)
if(SYS_SPECIFIC_DATA_TEST(gpsSysSpecificData, SYS_SPECIFIC_DATA_ENABLE_LOCATEDEV))
{
OSBaseFreeContigMemory(SYS_OMAP3430_SGX_REGS_SIZE, gsSGXRegsCPUVAddr, gsSGXDeviceMap.sRegsCpuPBase);
}
#endif
gpsSysSpecificData->ui32SysSpecificData = 0;
gpsSysSpecificData->bSGXInitComplete = IMG_FALSE;
gpsSysData = IMG_NULL;
return PVRSRV_OK;
}