static PVRSRV_ERROR DestroyDCSwapChain(IMG_HANDLE hDevice,
IMG_HANDLE hSwapChain)
{
OMAPLFB_DEVINFO *psDevInfo;
OMAPLFB_SWAPCHAIN *psSwapChain;
OMAPLFB_ERROR eError;
if(!hDevice || !hSwapChain)
{
return PVRSRV_ERROR_INVALID_PARAMS;
}
psDevInfo = (OMAPLFB_DEVINFO*)hDevice;
psSwapChain = (OMAPLFB_SWAPCHAIN*)hSwapChain;
OMAPLFBCreateSwapChainLock(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;
}
OMAPLFBDestroySwapQueue(psSwapChain);
eError = OMAPLFBDisableLFBEventNotification(psDevInfo);
if (eError != OMAPLFB_OK)
{
printk(KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Couldn't disable framebuffer event notification\n", __FUNCTION__, psDevInfo->uiFBDevID);
}
OMAPLFBFreeKernelMem(psSwapChain->psBuffer);
OMAPLFBFreeKernelMem(psSwapChain);
psDevInfo->psSwapChain = NULL;
OMAPLFBFlip(psDevInfo, &psDevInfo->sSystemBuffer);
(void) OMAPLFBCheckModeAndSync(psDevInfo);
eError = PVRSRV_OK;
ExitUnLock:
OMAPLFBCreateSwapChainUnLock(psDevInfo);
return eError;
}
static IMG_BOOL ProcessFlip(IMG_HANDLE hCmdCookie,
IMG_UINT32 ui32DataSize,
IMG_VOID *pvData)
{
DISPLAYCLASS_FLIP_COMMAND *psFlipCmd;
OMAPLFB_DEVINFO *psDevInfo;
OMAPLFB_BUFFER *psBuffer;
OMAPLFB_SWAPCHAIN *psSwapChain;
if(!hCmdCookie || !pvData)
{
return IMG_FALSE;
}
psFlipCmd = (DISPLAYCLASS_FLIP_COMMAND*)pvData;
if (psFlipCmd == IMG_NULL || sizeof(DISPLAYCLASS_FLIP_COMMAND) != ui32DataSize)
{
return IMG_FALSE;
}
psDevInfo = (OMAPLFB_DEVINFO*)psFlipCmd->hExtDevice;
psBuffer = (OMAPLFB_BUFFER*)psFlipCmd->hExtBuffer;
psSwapChain = (OMAPLFB_SWAPCHAIN*) psFlipCmd->hExtSwapChain;
OMAPLFBCreateSwapChainLock(psDevInfo);
if (SwapChainHasChanged(psDevInfo, psSwapChain))
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX
": %s: Device %u (PVR Device ID %u): The swap chain has been destroyed\n",
__FUNCTION__, psDevInfo->uiFBDevID, psDevInfo->uiPVRDevID));
}
else
{
psBuffer->hCmdComplete = (OMAPLFB_HANDLE)hCmdCookie;
psBuffer->ulSwapInterval = (unsigned long)psFlipCmd->ui32SwapInterval;
#if defined(NO_HARDWARE)
psDevInfo->sPVRJTable.pfnPVRSRVCmdComplete((IMG_HANDLE)psBuffer->hCmdComplete, IMG_FALSE);
#else
OMAPLFBQueueBufferForSwap(psSwapChain, psBuffer);
#endif
}
OMAPLFBCreateSwapChainUnLock(psDevInfo);
return IMG_TRUE;
}
static PVRSRV_ERROR GetDCBuffers(IMG_HANDLE hDevice,
IMG_HANDLE hSwapChain,
IMG_UINT32 *pui32BufferCount,
IMG_HANDLE *phBuffer)
{
MTKLFB_DEVINFO *psDevInfo;
MTKLFB_SWAPCHAIN *psSwapChain;
PVRSRV_ERROR eError;
unsigned i;
if(!hDevice
|| !hSwapChain
|| !pui32BufferCount
|| !phBuffer)
{
xlog_printk(ANDROID_LOG_ERROR, DRIVER_PREFIX,
"%s: invalid params\n", __FUNCTION__);
return PVRSRV_ERROR_INVALID_PARAMS;
}
psDevInfo = (MTKLFB_DEVINFO*)hDevice;
psSwapChain = (MTKLFB_SWAPCHAIN*)hSwapChain;
MTKLFBCreateSwapChainLock(psDevInfo);
if (SwapChainHasChanged(psDevInfo, psSwapChain))
{
xlog_printk(ANDROID_LOG_ERROR, DRIVER_PREFIX,
"%s: Device %u: Swap chain mismatch\n", __FUNCTION__, psDevInfo->uiFBDevID);
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto Exit;
}
*pui32BufferCount = (IMG_UINT32)psSwapChain->ulBufferCount;
for(i=0; i<psSwapChain->ulBufferCount; i++)
{
phBuffer[i] = (IMG_HANDLE)&psSwapChain->psBuffer[i];
}
eError = PVRSRV_OK;
Exit:
MTKLFBCreateSwapChainUnLock(psDevInfo);
return eError;
}
static IMG_BOOL ProcessFlip(IMG_HANDLE hCmdCookie,
IMG_UINT32 ui32DataSize,
IMG_VOID *pvData)
{
DISPLAYCLASS_FLIP_COMMAND *psFlipCmd;
MTKLFB_DEVINFO *psDevInfo;
MTKLFB_BUFFER *psBuffer;
MTKLFB_SWAPCHAIN *psSwapChain;
if(!hCmdCookie || !pvData)
{
xlog_printk(ANDROID_LOG_ERROR, DRIVER_PREFIX,
"hCmdCookie(%p) or pvData(%p) is NULL\n", hCmdCookie, pvData);
return IMG_FALSE;
}
psFlipCmd = (DISPLAYCLASS_FLIP_COMMAND*)pvData;
if (psFlipCmd == IMG_NULL)
{
xlog_printk(ANDROID_LOG_ERROR, DRIVER_PREFIX,
"psFlipCmd is NULL\n");
return IMG_FALSE;
}
psDevInfo = (MTKLFB_DEVINFO*)psFlipCmd->hExtDevice;
psBuffer = (MTKLFB_BUFFER*)psFlipCmd->hExtBuffer;
psSwapChain = (MTKLFB_SWAPCHAIN*) psFlipCmd->hExtSwapChain;
MTKLFBCreateSwapChainLock(psDevInfo);
if (SwapChainHasChanged(psDevInfo, psSwapChain))
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX
": %s: Device %u (PVR Device ID %u): The swap chain has been destroyed\n",
__FUNCTION__, psDevInfo->uiFBDevID, psDevInfo->uiPVRDevID));
}
else
{
psBuffer->hCmdComplete = (MTKLFB_HANDLE)hCmdCookie;
psBuffer->ulSwapInterval = (unsigned long)psFlipCmd->ui32SwapInterval;
MTKLFBQueueBufferForSwap(psSwapChain, psBuffer);
}
MTKLFBCreateSwapChainUnLock(psDevInfo);
return IMG_TRUE;
}
