static PVRSRV_ERROR DestroyDCSwapChain(IMG_HANDLE hDevice,
IMG_HANDLE hSwapChain)
{
MTKLFB_DEVINFO *psDevInfo;
MTKLFB_SWAPCHAIN *psSwapChain;
MTKLFB_ERROR eError;
if(!hDevice || !hSwapChain)
{
return PVRSRV_ERROR_INVALID_PARAMS;
}
psDevInfo = (MTKLFB_DEVINFO*)hDevice;
psSwapChain = (MTKLFB_SWAPCHAIN*)hSwapChain;
MTKLFBCreateSwapChainLock(psDevInfo);
if (SwapChainHasChanged(psDevInfo, psSwapChain))
{
printk(KERN_WARNING DRIVER_PREFIX
": %s: Device %u: Swap chain mismatch\n", __FUNCTION__, psDevInfo->uiFBDevID);
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto ExitUnLock;
}
MTKLFBDestroySwapQueue(psSwapChain);
eError = MTKLFBDisableLFBEventNotification(psDevInfo);
if (eError != MTKLFB_OK)
{
printk(KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Couldn't disable framebuffer event notification\n", __FUNCTION__, psDevInfo->uiFBDevID);
}
MTKLFBFreeKernelMem(psSwapChain->psBuffer);
MTKLFBFreeKernelMem(psSwapChain);
psDevInfo->psSwapChain = NULL;
MTKLFBFlip(psDevInfo, &psDevInfo->sSystemBuffer);
(void) MTKLFBCheckModeAndSync(psDevInfo);
eError = PVRSRV_OK;
ExitUnLock:
MTKLFBCreateSwapChainUnLock(psDevInfo);
return eError;
}
static PVRSRV_ERROR CreateDCSwapChain(IMG_HANDLE hDevice,
IMG_UINT32 ui32Flags,
DISPLAY_SURF_ATTRIBUTES *psDstSurfAttrib,
DISPLAY_SURF_ATTRIBUTES *psSrcSurfAttrib,
IMG_UINT32 ui32BufferCount,
PVRSRV_SYNC_DATA **ppsSyncData,
IMG_UINT32 ui32OEMFlags,
IMG_HANDLE *phSwapChain,
IMG_UINT32 *pui32SwapChainID)
{
MTKLFB_DEVINFO *psDevInfo;
MTKLFB_SWAPCHAIN *psSwapChain;
MTKLFB_BUFFER *psBuffer;
IMG_UINT32 i;
PVRSRV_ERROR eError;
IMG_UINT32 ui32BuffersToSkip;
UNREFERENCED_PARAMETER(ui32OEMFlags);
if(!hDevice
|| !psDstSurfAttrib
|| !psSrcSurfAttrib
|| !ppsSyncData
|| !phSwapChain)
{
return PVRSRV_ERROR_INVALID_PARAMS;
}
psDevInfo = (MTKLFB_DEVINFO*)hDevice;
if (psDevInfo->sDisplayInfo.ui32MaxSwapChains == 0)
{
return PVRSRV_ERROR_NOT_SUPPORTED;
}
MTKLFBCreateSwapChainLock(psDevInfo);
if(psDevInfo->psSwapChain != NULL)
{
eError = PVRSRV_ERROR_FLIP_CHAIN_EXISTS;
goto ExitUnLock;
}
if(ui32BufferCount > psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers)
{
eError = PVRSRV_ERROR_TOOMANYBUFFERS;
goto ExitUnLock;
}
if ((psDevInfo->sFBInfo.ulRoundedBufferSize * (unsigned long)ui32BufferCount) > psDevInfo->sFBInfo.ulFBSize)
{
eError = PVRSRV_ERROR_TOOMANYBUFFERS;
goto ExitUnLock;
}
ui32BuffersToSkip = psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers - ui32BufferCount;
if(psDstSurfAttrib->pixelformat != psDevInfo->sDisplayFormat.pixelformat
|| psDstSurfAttrib->sDims.ui32ByteStride != psDevInfo->sDisplayDim.ui32ByteStride
|| psDstSurfAttrib->sDims.ui32Width != psDevInfo->sDisplayDim.ui32Width
|| psDstSurfAttrib->sDims.ui32Height != psDevInfo->sDisplayDim.ui32Height)
{
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto ExitUnLock;
}
if(psDstSurfAttrib->pixelformat != psSrcSurfAttrib->pixelformat
|| psDstSurfAttrib->sDims.ui32ByteStride != psSrcSurfAttrib->sDims.ui32ByteStride
|| psDstSurfAttrib->sDims.ui32Width != psSrcSurfAttrib->sDims.ui32Width
|| psDstSurfAttrib->sDims.ui32Height != psSrcSurfAttrib->sDims.ui32Height)
{
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto ExitUnLock;
}
UNREFERENCED_PARAMETER(ui32Flags);
#if defined(PVR_MTKFB3_UPDATE_MODE)
if (!MTKLFBSetUpdateMode(psDevInfo, PVR_MTKFB3_UPDATE_MODE))
{
xlog_printk(ANDROID_LOG_WARN, DRIVER_PREFIX, DRIVER_PREFIX ": %s: Device %u: Couldn't set frame buffer update mode %d\n", __FUNCTION__, psDevInfo->uiFBDevID, PVR_MTKFB3_UPDATE_MODE);
}
#endif
psSwapChain = (MTKLFB_SWAPCHAIN*)MTKLFBAllocKernelMem(sizeof(MTKLFB_SWAPCHAIN));
if(!psSwapChain)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto ExitUnLock;
}
psBuffer = (MTKLFB_BUFFER*)MTKLFBAllocKernelMem(sizeof(MTKLFB_BUFFER) * ui32BufferCount);
if(!psBuffer)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto ErrorFreeSwapChain;
}
psSwapChain->ulBufferCount = (unsigned long)ui32BufferCount;
psSwapChain->psBuffer = psBuffer;
psSwapChain->bNotVSynced = MTKLFB_TRUE;
psSwapChain->uiFBDevID = psDevInfo->uiFBDevID;
for(i=0; i<ui32BufferCount-1; i++)
{
psBuffer[i].psNext = &psBuffer[i+1];
}
psBuffer[i].psNext = &psBuffer[0];
for (i = 0; i < ui32BufferCount; i++)
{
IMG_UINT32 ui32SwapBuffer = i + ui32BuffersToSkip;
IMG_UINT32 ui32BufferOffset = ui32SwapBuffer * (IMG_UINT32)psDevInfo->sFBInfo.ulRoundedBufferSize;
psBuffer[i].psSyncData = ppsSyncData[i];
psBuffer[i].sSysAddr.uiAddr = psDevInfo->sFBInfo.sSysAddr.uiAddr + ui32BufferOffset;
psBuffer[i].sCPUVAddr = psDevInfo->sFBInfo.sCPUVAddr + ui32BufferOffset;
psBuffer[i].ulYOffset = ui32BufferOffset / psDevInfo->sFBInfo.ulByteStride;
psBuffer[i].psDevInfo = psDevInfo;
MTKLFBInitBufferForSwap(&psBuffer[i]);
}
if (MTKLFBCreateSwapQueue(psSwapChain) != MTKLFB_OK)
{
xlog_printk(ANDROID_LOG_WARN, DRIVER_PREFIX, DRIVER_PREFIX ": %s: Device %u: Failed to create workqueue\n", __FUNCTION__, psDevInfo->uiFBDevID);
eError = PVRSRV_ERROR_UNABLE_TO_INSTALL_ISR;
goto ErrorFreeBuffers;
}
if (MTKLFBEnableLFBEventNotification(psDevInfo)!= MTKLFB_OK)
{
eError = PVRSRV_ERROR_UNABLE_TO_ENABLE_EVENT;
xlog_printk(ANDROID_LOG_WARN, DRIVER_PREFIX, DRIVER_PREFIX ": %s: Device %u: Couldn't enable framebuffer event notification\n", __FUNCTION__, psDevInfo->uiFBDevID);
goto ErrorDestroySwapQueue;
}
psDevInfo->uiSwapChainID++;
if (psDevInfo->uiSwapChainID == 0)
{
psDevInfo->uiSwapChainID++;
}
psSwapChain->uiSwapChainID = psDevInfo->uiSwapChainID;
psDevInfo->psSwapChain = psSwapChain;
*pui32SwapChainID = psDevInfo->uiSwapChainID;
*phSwapChain = (IMG_HANDLE)psSwapChain;
eError = PVRSRV_OK;
goto ExitUnLock;
ErrorDestroySwapQueue:
MTKLFBDestroySwapQueue(psSwapChain);
ErrorFreeBuffers:
MTKLFBFreeKernelMem(psBuffer);
ErrorFreeSwapChain:
MTKLFBFreeKernelMem(psSwapChain);
ExitUnLock:
MTKLFBCreateSwapChainUnLock(psDevInfo);
return eError;
}
