PVRSRV_ERROR PVRSRVRemoveDCDeviceKM(IMG_UINT32 ui32DevIndex)
{
SYS_DATA *psSysData;
PVRSRV_DEVICE_NODE *psDeviceNode;
PVRSRV_DISPLAYCLASS_INFO *psDCInfo;
SysAcquireData(&psSysData);
psDeviceNode = (PVRSRV_DEVICE_NODE*)
List_PVRSRV_DEVICE_NODE_Any_va(psSysData->psDeviceNodeList,
MatchDeviceKM_AnyVaCb,
ui32DevIndex,
IMG_FALSE,
PVRSRV_DEVICE_CLASS_DISPLAY);
if (!psDeviceNode)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVRemoveDCDeviceKM: requested device %d not present", ui32DevIndex));
return PVRSRV_ERROR_GENERIC;
}
psDCInfo = (PVRSRV_DISPLAYCLASS_INFO*)psDeviceNode->pvDevice;
if(psDCInfo->ui32RefCount == 0)
{
List_PVRSRV_DEVICE_NODE_Remove(psDeviceNode);
SysRemoveExternalDevice(psDeviceNode);
PVR_ASSERT(psDCInfo->ui32RefCount == 0);
(IMG_VOID)FreeDeviceID(psSysData, ui32DevIndex);
(IMG_VOID)OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_DC_SRV2DISP_KMJTABLE), psDCInfo->psFuncTable, IMG_NULL);
psDCInfo->psFuncTable = IMG_NULL;
(IMG_VOID)OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_DISPLAYCLASS_INFO), psDCInfo, IMG_NULL);
(IMG_VOID)OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_DEVICE_NODE), psDeviceNode, IMG_NULL);
}
else
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVRemoveDCDeviceKM: failed as %d Services DC API connections are still open", psDCInfo->ui32RefCount));
return PVRSRV_ERROR_GENERIC;
}
return PVRSRV_OK;
}
PVRSRV_ERROR IMG_CALLCONV PVRSRVDeinitialiseDevice(IMG_UINT32 ui32DevIndex)
{
PVRSRV_DEVICE_NODE *psDeviceNode;
SYS_DATA *psSysData;
PVRSRV_ERROR eError;
SysAcquireData(&psSysData);
psDeviceNode = (PVRSRV_DEVICE_NODE*)
List_PVRSRV_DEVICE_NODE_Any_va(psSysData->psDeviceNodeList,
&MatchDeviceKM_AnyVaCb,
ui32DevIndex,
IMG_TRUE);
if (!psDeviceNode)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVDeinitialiseDevice: requested device %d is not present", ui32DevIndex));
return PVRSRV_ERROR_DEVICEID_NOT_FOUND;
}
eError = PVRSRVSetDevicePowerStateKM(ui32DevIndex,
PVRSRV_DEV_POWER_STATE_OFF,
KERNEL_ID,
IMG_FALSE);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVDeinitialiseDevice: Failed PVRSRVSetDevicePowerStateKM call"));
return eError;
}
eError = ResManFreeResByCriteria(psDeviceNode->hResManContext,
RESMAN_CRITERIA_RESTYPE,
RESMAN_TYPE_DEVICEMEM_ALLOCATION,
IMG_NULL, 0);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVDeinitialiseDevice: Failed ResManFreeResByCriteria call"));
return eError;
}
if(psDeviceNode->pfnDeInitDevice != IMG_NULL)
{
eError = psDeviceNode->pfnDeInitDevice(psDeviceNode);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVDeinitialiseDevice: Failed DeInitDevice call"));
return eError;
}
}
PVRSRVResManDisconnect(psDeviceNode->hResManContext, IMG_TRUE);
psDeviceNode->hResManContext = IMG_NULL;
List_PVRSRV_DEVICE_NODE_Remove(psDeviceNode);
(IMG_VOID)FreeDeviceID(psSysData, ui32DevIndex);
OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP,
sizeof(PVRSRV_DEVICE_NODE), psDeviceNode, IMG_NULL);
return (PVRSRV_OK);
}
/*!
******************************************************************************
@Function PVRSRVDeinitialiseDevice
@Description
This De-inits device
@Input ui32DevIndex : Index to the required device
@Return PVRSRV_ERROR :
******************************************************************************/
PVRSRV_ERROR IMG_CALLCONV PVRSRVDeinitialiseDevice(IMG_UINT32 ui32DevIndex)
{
PVRSRV_DEVICE_NODE *psDeviceNode;
SYS_DATA *psSysData;
PVRSRV_ERROR eError;
SysAcquireData(&psSysData);
psDeviceNode = (PVRSRV_DEVICE_NODE*)
List_PVRSRV_DEVICE_NODE_Any_va(psSysData->psDeviceNodeList,
&MatchDeviceKM_AnyVaCb,
ui32DevIndex,
IMG_TRUE);
if (!psDeviceNode)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVDeinitialiseDevice: requested device %d is not present", ui32DevIndex));
return PVRSRV_ERROR_DEVICEID_NOT_FOUND;
}
eError = PVRSRVPowerLock(KERNEL_ID, IMG_FALSE);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVDeinitialiseDevice: Failed PVRSRVPowerLock call"));
return eError;
}
/*
Power down the device if necessary.
*/
eError = PVRSRVSetDevicePowerStateKM(ui32DevIndex,
PVRSRV_DEV_POWER_STATE_OFF);
PVRSRVPowerUnlock(KERNEL_ID);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVDeinitialiseDevice: Failed PVRSRVSetDevicePowerStateKM call"));
return eError;
}
/*
Free the dissociated device memory.
*/
eError = ResManFreeResByCriteria(psDeviceNode->hResManContext,
RESMAN_CRITERIA_RESTYPE,
RESMAN_TYPE_DEVICEMEM_ALLOCATION,
IMG_NULL, 0);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVDeinitialiseDevice: Failed ResManFreeResByCriteria call"));
return eError;
}
/*
De-init the device.
*/
if(psDeviceNode->pfnDeInitDevice != IMG_NULL)
{
eError = psDeviceNode->pfnDeInitDevice(psDeviceNode);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVDeinitialiseDevice: Failed DeInitDevice call"));
return eError;
}
}
/*
Close the device's resource manager context.
*/
PVRSRVResManDisconnect(psDeviceNode->hResManContext, IMG_TRUE);
psDeviceNode->hResManContext = IMG_NULL;
/* remove node from list */
List_PVRSRV_DEVICE_NODE_Remove(psDeviceNode);
/* deallocate id and memory */
(IMG_VOID)FreeDeviceID(psSysData, ui32DevIndex);
OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP,
sizeof(PVRSRV_DEVICE_NODE), psDeviceNode, IMG_NULL);
/*not nulling pointer, out of scope*/
return (PVRSRV_OK);
}
