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)
{
IMG_UINT32 i;
S3C_FRAME_BUFFER *psBuffer;
S3C_SWAPCHAIN *psSwapChain;
S3C_LCD_DEVINFO *psDevInfo = (S3C_LCD_DEVINFO*)hDevice;
PVR_UNREFERENCED_PARAMETER(ui32OEMFlags);
PVR_UNREFERENCED_PARAMETER(pui32SwapChainID);
if(!hDevice
|| !psDstSurfAttrib
|| !psSrcSurfAttrib
|| !ppsSyncData
|| !phSwapChain)
{
return PVRSRV_ERROR_INVALID_PARAMS;
}
if(ui32BufferCount > psDevInfo->ui32NumFrameBuffers)
{
return PVRSRV_ERROR_TOOMANYBUFFERS;
}
if(psDevInfo->psSwapChain)
{
return (PVRSRV_ERROR_FLIP_CHAIN_EXISTS);
}
psSwapChain = (S3C_SWAPCHAIN *)kmalloc(sizeof(S3C_SWAPCHAIN),GFP_KERNEL);
psBuffer = (S3C_FRAME_BUFFER*)kmalloc(sizeof(S3C_FRAME_BUFFER) * ui32BufferCount, GFP_KERNEL);
if(!psBuffer)
{
kfree(psSwapChain);
return (PVRSRV_ERROR_OUT_OF_MEMORY);
}
psSwapChain->ulBufferCount = (unsigned long)ui32BufferCount;
psSwapChain->psBuffer = psBuffer;
psBuffer[0].bufferPAddr = psDevInfo->sSysBuffer.bufferPAddr;
psBuffer[0].bufferVAddr = psDevInfo->sSysBuffer.bufferVAddr;
psBuffer[0].byteSize = psDevInfo->sSysBuffer.byteSize;
psBuffer[0].yoffset = psDevInfo->sSysBuffer.yoffset;
for (i=1; i<ui32BufferCount; i++)
{
psBuffer[i].bufferPAddr = psDevInfo->asBackBuffers[i-1].bufferPAddr;
psBuffer[i].bufferVAddr = psDevInfo->asBackBuffers[i-1].bufferVAddr;
psBuffer[i].byteSize = psDevInfo->asBackBuffers[i-1].byteSize;
psBuffer[i].yoffset = psDevInfo->asBackBuffers[i-1].yoffset;
}
*phSwapChain = (IMG_HANDLE)psSwapChain;
*pui32SwapChainID =(IMG_UINT32)psSwapChain;
psDevInfo->psSwapChain = psSwapChain;
ResetVSyncFlipItems(psDevInfo);
S3C_InstallVsyncISR();
return PVRSRV_OK;
}
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)
{
IMG_UINT32 i;
S3C_FRAME_BUFFER *psBuffer;
S3C_SWAPCHAIN *psSwapChain;
S3C_LCD_DEVINFO *psDevInfo = (S3C_LCD_DEVINFO*)hDevice;
PVR_UNREFERENCED_PARAMETER(ui32OEMFlags);
PVR_UNREFERENCED_PARAMETER(pui32SwapChainID);
if(!hDevice
|| !psDstSurfAttrib
|| !psSrcSurfAttrib
|| !ppsSyncData
|| !phSwapChain)
{
return PVRSRV_ERROR_INVALID_PARAMS;
}
if(ui32BufferCount > psDevInfo->ui32NumFrameBuffers)
{
return PVRSRV_ERROR_TOOMANYBUFFERS;
}
if(psDevInfo->psSwapChain)
{
/*
* To support android test applciation which access FB directly
* Original code do not allow direct
*/
psDevInfo->psSwapChain->ulRefCount++;
*phSwapChain = (IMG_HANDLE)psDevInfo->psSwapChain;
*pui32SwapChainID = (IMG_UINT32)psDevInfo->psSwapChain;
return PVRSRV_OK;
}
psSwapChain = (S3C_SWAPCHAIN *)kmalloc(sizeof(S3C_SWAPCHAIN),GFP_KERNEL);
if(!psSwapChain)
return (PVRSRV_ERROR_OUT_OF_MEMORY);
psBuffer = (S3C_FRAME_BUFFER*)kmalloc(sizeof(S3C_FRAME_BUFFER) * ui32BufferCount, GFP_KERNEL);
if(!psBuffer)
{
kfree(psSwapChain);
return (PVRSRV_ERROR_OUT_OF_MEMORY);
}
psSwapChain->ulBufferCount = (unsigned long)ui32BufferCount;
psSwapChain->psBuffer = psBuffer;
#if defined(S3C_DC_IS_PHYS_DISCONTIG)
psBuffer[0].pbufferPAddrs = psDevInfo->sSysBuffer.pbufferPAddrs;
#else
psBuffer[0].bufferPAddr = psDevInfo->sSysBuffer.bufferPAddr;
#endif
psBuffer[0].bufferVAddr = psDevInfo->sSysBuffer.bufferVAddr;
psBuffer[0].byteSize = psDevInfo->sSysBuffer.byteSize;
psBuffer[0].yoffset = psDevInfo->sSysBuffer.yoffset;
for (i=1; i<ui32BufferCount; i++)
{
#if defined(S3C_DC_IS_PHYS_DISCONTIG)
psBuffer[i].pbufferPAddrs = psDevInfo->asBackBuffers[i-1].pbufferPAddrs;
#else
psBuffer[i].bufferPAddr = psDevInfo->asBackBuffers[i-1].bufferPAddr;
#endif
psBuffer[i].bufferVAddr = psDevInfo->asBackBuffers[i-1].bufferVAddr;
psBuffer[i].byteSize = psDevInfo->asBackBuffers[i-1].byteSize;
psBuffer[i].yoffset = psDevInfo->asBackBuffers[i-1].yoffset;
}
*phSwapChain = (IMG_HANDLE)psSwapChain;
*pui32SwapChainID =(IMG_UINT32)psSwapChain;
psSwapChain->ulRefCount++;
psDevInfo->psSwapChain = psSwapChain;
ResetVSyncFlipItems(psDevInfo);
S3C_InstallVsyncISR();
return PVRSRV_OK;
}
