static PVRSRV_ERROR SwapToDCSystem(IMG_HANDLE hDevice,
IMG_HANDLE hSwapChain)
{
OMAPLFB_DEVINFO *psDevInfo;
OMAPLFB_SWAPCHAIN *psSwapChain;
unsigned long ulLockFlags;
if(!hDevice || !hSwapChain)
{
return (PVRSRV_ERROR_INVALID_PARAMS);
}
psDevInfo = (OMAPLFB_DEVINFO*)hDevice;
psSwapChain = (OMAPLFB_SWAPCHAIN*)hSwapChain;
if (psSwapChain != psDevInfo->psSwapChain)
{
return (PVRSRV_ERROR_INVALID_PARAMS);
}
spin_lock_irqsave(&psDevInfo->sSwapChainLock, ulLockFlags);
FlushInternalVSyncQueue(psSwapChain);
OMAPLFBFlip(psSwapChain, (unsigned long)psDevInfo->sFBInfo.sSysAddr.uiAddr);
spin_unlock_irqrestore(&psDevInfo->sSwapChainLock, ulLockFlags);
return (PVRSRV_OK);
}
static void SetFlushStateInternalNoLock(OMAPLFB_DEVINFO* psDevInfo,
OMAP_BOOL bFlushState)
{
OMAPLFB_SWAPCHAIN *psSwapChain = psDevInfo->psSwapChain;
if (psSwapChain == NULL)
{
return;
}
if (bFlushState)
{
if (psSwapChain->ulSetFlushStateRefCount == 0)
{
psSwapChain->bFlushCommands = OMAP_TRUE;
FlushInternalVSyncQueue(psSwapChain);
}
psSwapChain->ulSetFlushStateRefCount++;
}
else
{
if (psSwapChain->ulSetFlushStateRefCount != 0)
{
psSwapChain->ulSetFlushStateRefCount--;
if (psSwapChain->ulSetFlushStateRefCount == 0)
{
psSwapChain->bFlushCommands = OMAP_FALSE;
}
}
}
}
static PVRSRV_ERROR DestroyDCSwapChain(IMG_HANDLE hDevice,
IMG_HANDLE hSwapChain)
{
S3C_SWAPCHAIN *sc = (S3C_SWAPCHAIN *)hSwapChain;
S3C_LCD_DEVINFO *psLCDInfo = (S3C_LCD_DEVINFO*)hDevice;
if(!hDevice
|| !hSwapChain)
{
return PVRSRV_ERROR_INVALID_PARAMS;
}
FlushInternalVSyncQueue(psLCDInfo);
S3C_Flip(psLCDInfo, &psLCDInfo->sSysBuffer);
kfree(sc->psBuffer);
kfree(sc);
if (psLCDInfo->psSwapChain == sc)
psLCDInfo->psSwapChain = NULL;
ResetVSyncFlipItems(psLCDInfo);
S3C_UninstallVsyncISR();
return PVRSRV_OK;
}
static PVRSRV_ERROR DestroyDCSwapChain(IMG_HANDLE hDevice,
IMG_HANDLE hSwapChain)
{
OMAPLFB_DEVINFO *psDevInfo;
OMAPLFB_SWAPCHAIN *psSwapChain;
unsigned long ulLockFlags;
OMAP_ERROR eError;
if(!hDevice || !hSwapChain)
{
return (PVRSRV_ERROR_INVALID_PARAMS);
}
psDevInfo = (OMAPLFB_DEVINFO*)hDevice;
psSwapChain = (OMAPLFB_SWAPCHAIN*)hSwapChain;
if (psSwapChain != psDevInfo->psSwapChain)
{
return (PVRSRV_ERROR_INVALID_PARAMS);
}
eError = DisableLFBEventNotification(psDevInfo);
if (eError != OMAP_OK)
{
printk(KERN_WARNING DRIVER_PREFIX ": Couldn't disable framebuffer event notification\n");
}
OMAPLFBFlip(psSwapChain, (unsigned long)psDevInfo->sFBInfo.sSysAddr.uiAddr);
cancel_work_sync(&psDevInfo->active_work);
INIT_LIST_HEAD(&psDevInfo->active_list);
spin_lock_irqsave(&psDevInfo->sSwapChainLock, ulLockFlags);
FlushInternalVSyncQueue(psSwapChain);
psDevInfo->psSwapChain = NULL;
spin_unlock_irqrestore(&psDevInfo->sSwapChainLock, ulLockFlags);
OMAPLFBFreeKernelMem(psSwapChain->psVSyncFlips);
OMAPLFBFreeKernelMem(psSwapChain->psBuffer);
OMAPLFBFreeKernelMem(psSwapChain);
return (PVRSRV_OK);
}
static IMG_VOID S3CSetState(IMG_HANDLE hDevice, IMG_UINT32 ui32State)
{
S3C_LCD_DEVINFO *psDevInfo;
psDevInfo = (S3C_LCD_DEVINFO*)hDevice;
if (ui32State == DC_STATE_FLUSH_COMMANDS)
{
if (psDevInfo->psSwapChain != 0)
{
FlushInternalVSyncQueue(psDevInfo);
}
psDevInfo->bFlushCommands =S3C_TRUE;
}
else if (ui32State == DC_STATE_NO_FLUSH_COMMANDS)
{
psDevInfo->bFlushCommands = S3C_FALSE;
}
}
