static enum PVRSRV_ERROR CreateDCSwapChain(void *hDevice, u32 ui32Flags,
struct DISPLAY_SURF_ATTRIBUTES *psDstSurfAttrib,
struct DISPLAY_SURF_ATTRIBUTES *psSrcSurfAttrib,
u32 ui32BufferCount,
struct PVRSRV_SYNC_DATA **ppsSyncData,
u32 ui32OEMFlags, void **phSwapChain,
u32 *pui32SwapChainID)
{
struct OMAPLFB_DEVINFO *psDevInfo;
struct OMAPLFB_SWAPCHAIN *psSwapChain;
struct OMAPLFB_BUFFER *psBuffer;
u32 i;
enum PVRSRV_ERROR eError = PVRSRV_ERROR_GENERIC;
PVR_UNREFERENCED_PARAMETER(ui32OEMFlags);
PVR_UNREFERENCED_PARAMETER(pui32SwapChainID);
if (!hDevice || !psDstSurfAttrib || !psSrcSurfAttrib ||
!ppsSyncData || !phSwapChain)
return PVRSRV_ERROR_INVALID_PARAMS;
psDevInfo = (struct OMAPLFB_DEVINFO *)hDevice;
if (psDevInfo->sDisplayInfo.ui32MaxSwapChains == 0)
return PVRSRV_ERROR_NOT_SUPPORTED;
if (psDevInfo->psSwapChain != NULL)
return PVRSRV_ERROR_FLIP_CHAIN_EXISTS;
if (ui32BufferCount > psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers)
return PVRSRV_ERROR_TOOMANYBUFFERS;
if ((psDevInfo->sFBInfo.ui32RoundedBufferSize * ui32BufferCount) >
psDevInfo->sFBInfo.ui32FBSize)
return PVRSRV_ERROR_TOOMANYBUFFERS;
if (psDstSurfAttrib->pixelformat !=
psDevInfo->sDisplayFormat.pixelformat ||
psDstSurfAttrib->sDims.ui32ByteStride !=
psDevInfo->sDisplayDim.ui32ByteStride ||
psDstSurfAttrib->sDims.ui32Width !=
psDevInfo->sDisplayDim.ui32Width ||
psDstSurfAttrib->sDims.ui32Height !=
psDevInfo->sDisplayDim.ui32Height)
return PVRSRV_ERROR_INVALID_PARAMS;
if (psDstSurfAttrib->pixelformat != psSrcSurfAttrib->pixelformat ||
psDstSurfAttrib->sDims.ui32ByteStride !=
psSrcSurfAttrib->sDims.ui32ByteStride ||
psDstSurfAttrib->sDims.ui32Width !=
psSrcSurfAttrib->sDims.ui32Width ||
psDstSurfAttrib->sDims.ui32Height !=
psSrcSurfAttrib->sDims.ui32Height)
return PVRSRV_ERROR_INVALID_PARAMS;
PVR_UNREFERENCED_PARAMETER(ui32Flags);
psSwapChain = (struct OMAPLFB_SWAPCHAIN *)
OMAPLFBAllocKernelMem(sizeof(struct OMAPLFB_SWAPCHAIN));
if (!psSwapChain)
return PVRSRV_ERROR_OUT_OF_MEMORY;
psBuffer = (struct OMAPLFB_BUFFER *)
OMAPLFBAllocKernelMem(sizeof(struct OMAPLFB_BUFFER) *
ui32BufferCount);
if (!psBuffer) {
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto ErrorFreeSwapChain;
}
psSwapChain->ui32BufferCount = ui32BufferCount;
psSwapChain->psBuffer = psBuffer;
psSwapChain->psPVRJTable = &psDevInfo->sPVRJTable;
for (i = 0; i < ui32BufferCount - 1; i++)
psBuffer[i].psNext = &psBuffer[i + 1];
psBuffer[i].psNext = &psBuffer[0];
for (i = 0; i < ui32BufferCount; i++) {
u32 ui32BufferOffset = i *
psDevInfo->sFBInfo.ui32RoundedBufferSize;
psBuffer[i].psSyncData = ppsSyncData[i];
psBuffer[i].sSysAddr.uiAddr =
psDevInfo->sFBInfo.sSysAddr.uiAddr + ui32BufferOffset;
psBuffer[i].sCPUVAddr =
psDevInfo->sFBInfo.sCPUVAddr + ui32BufferOffset;
}
psDevInfo->psSwapChain = psSwapChain;
eError = EnableLFBEventNotification(psDevInfo);
if (eError != PVRSRV_OK) {
printk(DRIVER_PREFIX
": Couldn't enable framebuffer event notification\n");
goto ErrorFreeBuffer;
}
*phSwapChain = (void *) psSwapChain;
return PVRSRV_OK;
ErrorFreeBuffer:
OMAPLFBFreeKernelMem(psBuffer);
ErrorFreeSwapChain:
OMAPLFBFreeKernelMem(psSwapChain);
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)
{
OMAPLFB_DEVINFO *psDevInfo;
OMAPLFB_SWAPCHAIN *psSwapChain;
OMAPLFB_BUFFER *psBuffer;
OMAPLFB_VSYNC_FLIP_ITEM *psVSyncFlips;
IMG_UINT32 i;
PVRSRV_ERROR eError = PVRSRV_ERROR_GENERIC;
unsigned long ulLockFlags;
IMG_UINT32 ui32BuffersToSkip;
UNREFERENCED_PARAMETER(ui32OEMFlags);
UNREFERENCED_PARAMETER(pui32SwapChainID);
if(!hDevice
|| !psDstSurfAttrib
|| !psSrcSurfAttrib
|| !ppsSyncData
|| !phSwapChain)
{
return (PVRSRV_ERROR_INVALID_PARAMS);
}
psDevInfo = (OMAPLFB_DEVINFO*)hDevice;
if (psDevInfo->sDisplayInfo.ui32MaxSwapChains == 0)
{
return (PVRSRV_ERROR_NOT_SUPPORTED);
}
if(psDevInfo->psSwapChain != NULL)
{
return (PVRSRV_ERROR_FLIP_CHAIN_EXISTS);
}
if(ui32BufferCount > psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers)
{
return (PVRSRV_ERROR_TOOMANYBUFFERS);
}
if ((psDevInfo->sFBInfo.ulRoundedBufferSize * (unsigned long)ui32BufferCount) > psDevInfo->sFBInfo.ulFBSize)
{
return (PVRSRV_ERROR_TOOMANYBUFFERS);
}
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)
{
return (PVRSRV_ERROR_INVALID_PARAMS);
}
if(psDstSurfAttrib->pixelformat != psSrcSurfAttrib->pixelformat
|| psDstSurfAttrib->sDims.ui32ByteStride != psSrcSurfAttrib->sDims.ui32ByteStride
|| psDstSurfAttrib->sDims.ui32Width != psSrcSurfAttrib->sDims.ui32Width
|| psDstSurfAttrib->sDims.ui32Height != psSrcSurfAttrib->sDims.ui32Height)
{
return (PVRSRV_ERROR_INVALID_PARAMS);
}
UNREFERENCED_PARAMETER(ui32Flags);
psSwapChain = (OMAPLFB_SWAPCHAIN*)OMAPLFBAllocKernelMem(sizeof(OMAPLFB_SWAPCHAIN));
if(!psSwapChain)
{
return (PVRSRV_ERROR_OUT_OF_MEMORY);
}
psBuffer = (OMAPLFB_BUFFER*)OMAPLFBAllocKernelMem(sizeof(OMAPLFB_BUFFER) * ui32BufferCount);
if(!psBuffer)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto ErrorFreeSwapChain;
}
psVSyncFlips = (OMAPLFB_VSYNC_FLIP_ITEM *)OMAPLFBAllocKernelMem(sizeof(OMAPLFB_VSYNC_FLIP_ITEM) * ui32BufferCount);
if (!psVSyncFlips)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto ErrorFreeBuffers;
}
psSwapChain->ulBufferCount = (unsigned long)ui32BufferCount;
psSwapChain->psBuffer = psBuffer;
psSwapChain->psVSyncFlips = psVSyncFlips;
psSwapChain->ulInsertIndex = 0;
psSwapChain->ulRemoveIndex = 0;
psSwapChain->psPVRJTable = &psDevInfo->sPVRJTable;
psSwapChain->psSwapChainLock = &psDevInfo->sSwapChainLock;
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;
}
for(i=0; i<ui32BufferCount; i++)
{
INIT_LIST_HEAD(&psBuffer[i].list);
psVSyncFlips[i].bValid = OMAP_FALSE;
psVSyncFlips[i].bFlipped = OMAP_FALSE;
psVSyncFlips[i].bCmdCompleted = OMAP_FALSE;
}
spin_lock_irqsave(&psDevInfo->sSwapChainLock, ulLockFlags);
psDevInfo->psSwapChain = psSwapChain;
psSwapChain->bFlushCommands = psDevInfo->bFlushCommands;
if (psSwapChain->bFlushCommands)
{
psSwapChain->ulSetFlushStateRefCount = 1;
}
else
{
psSwapChain->ulSetFlushStateRefCount = 0;
}
spin_unlock_irqrestore(&psDevInfo->sSwapChainLock, ulLockFlags);
if (EnableLFBEventNotification(psDevInfo)!= OMAP_OK)
{
printk(KERN_WARNING DRIVER_PREFIX ": Couldn't enable framebuffer event notification\n");
goto ErrorFreeVsyncFlips;
}
*phSwapChain = (IMG_HANDLE)psSwapChain;
return (PVRSRV_OK);
ErrorFreeVsyncFlips:
OMAPLFBFreeKernelMem(psVSyncFlips);
ErrorFreeBuffers:
OMAPLFBFreeKernelMem(psBuffer);
ErrorFreeSwapChain:
OMAPLFBFreeKernelMem(psSwapChain);
return eError;
}
