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)
{
OMAPLFB_DEVINFO *psDevInfo;
OMAPLFB_SWAPCHAIN *psSwapChain;
PVRSRV_ERROR eError;
unsigned i;
if(!hDevice
|| !hSwapChain
|| !pui32BufferCount
|| !phBuffer)
{
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 Exit;
}
*pui32BufferCount = (IMG_UINT32)psSwapChain->ulBufferCount;
for(i=0; i<psSwapChain->ulBufferCount; i++)
{
phBuffer[i] = (IMG_HANDLE)&psSwapChain->psBuffer[i];
}
eError = PVRSRV_OK;
Exit:
OMAPLFBCreateSwapChainUnLock(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)
{
OMAPLFB_DEVINFO *psDevInfo;
OMAPLFB_SWAPCHAIN *psSwapChain;
OMAPLFB_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 = (OMAPLFB_DEVINFO*)hDevice;
if (psDevInfo->sDisplayInfo.ui32MaxSwapChains == 0)
{
return PVRSRV_ERROR_NOT_SUPPORTED;
}
OMAPLFBCreateSwapChainLock(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_OMAPFB3_UPDATE_MODE)
if (!OMAPLFBSetUpdateMode(psDevInfo, PVR_OMAPFB3_UPDATE_MODE))
{
printk(KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Couldn't set frame buffer update mode %d\n", __FUNCTION__, psDevInfo->uiFBDevID, PVR_OMAPFB3_UPDATE_MODE);
}
#endif
psSwapChain = (OMAPLFB_SWAPCHAIN*)OMAPLFBAllocKernelMem(sizeof(OMAPLFB_SWAPCHAIN));
if(!psSwapChain)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto ExitUnLock;
}
psBuffer = (OMAPLFB_BUFFER*)OMAPLFBAllocKernelMem(sizeof(OMAPLFB_BUFFER) * ui32BufferCount);
if(!psBuffer)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto ErrorFreeSwapChain;
}
psSwapChain->ulBufferCount = (unsigned long)ui32BufferCount;
psSwapChain->psBuffer = psBuffer;
psSwapChain->bNotVSynced = OMAPLFB_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;
OMAPLFBInitBufferForSwap(&psBuffer[i]);
}
if (OMAPLFBCreateSwapQueue(psSwapChain) != OMAPLFB_OK)
{
printk(KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Failed to create workqueue\n", __FUNCTION__, psDevInfo->uiFBDevID);
eError = PVRSRV_ERROR_UNABLE_TO_INSTALL_ISR;
goto ErrorFreeBuffers;
}
if (OMAPLFBEnableLFBEventNotification(psDevInfo)!= OMAPLFB_OK)
{
eError = PVRSRV_ERROR_UNABLE_TO_ENABLE_EVENT;
printk(KERN_WARNING 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:
OMAPLFBDestroySwapQueue(psSwapChain);
ErrorFreeBuffers:
OMAPLFBFreeKernelMem(psBuffer);
ErrorFreeSwapChain:
OMAPLFBFreeKernelMem(psSwapChain);
ExitUnLock:
OMAPLFBCreateSwapChainUnLock(psDevInfo);
return eError;
}
int PVR_DRM_MAKENAME(DISPLAY_CONTROLLER, _Ioctl)(struct drm_device unref__ *dev, void *arg, struct drm_file unref__ *pFile)
{
uint32_t *puiArgs;
uint32_t uiCmd;
unsigned uiPVRDevID;
int ret = 0;
OMAPLFB_DEVINFO *psDevInfo;
if (arg == NULL)
{
return -EFAULT;
}
puiArgs = (uint32_t *)arg;
uiCmd = puiArgs[PVR_DRM_DISP_ARG_CMD];
uiPVRDevID = puiArgs[PVR_DRM_DISP_ARG_DEV];
psDevInfo = OMAPLFBPVRDevIDToDevInfo(uiPVRDevID);
if (psDevInfo == NULL)
{
return -EINVAL;
}
switch (uiCmd)
{
case PVR_DRM_DISP_CMD_LEAVE_VT:
case PVR_DRM_DISP_CMD_ENTER_VT:
{
OMAPLFB_BOOL bLeaveVT = (uiCmd == PVR_DRM_DISP_CMD_LEAVE_VT);
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: PVR Device %u: %s\n",
__FUNCTION__, uiPVRDevID,
bLeaveVT ? "Leave VT" : "Enter VT"));
OMAPLFBCreateSwapChainLock(psDevInfo);
OMAPLFBAtomicBoolSet(&psDevInfo->sLeaveVT, bLeaveVT);
if (psDevInfo->psSwapChain != NULL)
{
flush_workqueue(psDevInfo->psSwapChain->psWorkQueue);
if (bLeaveVT)
{
OMAPLFBFlip(psDevInfo, &psDevInfo->sSystemBuffer);
(void) OMAPLFBCheckModeAndSync(psDevInfo);
}
}
OMAPLFBCreateSwapChainUnLock(psDevInfo);
(void) OMAPLFBUnblankDisplay(psDevInfo);
break;
}
case PVR_DRM_DISP_CMD_ON:
case PVR_DRM_DISP_CMD_STANDBY:
case PVR_DRM_DISP_CMD_SUSPEND:
case PVR_DRM_DISP_CMD_OFF:
{
int iFBMode;
#if defined(DEBUG)
{
const char *pszMode;
switch(uiCmd)
{
case PVR_DRM_DISP_CMD_ON:
pszMode = "On";
break;
case PVR_DRM_DISP_CMD_STANDBY:
pszMode = "Standby";
break;
case PVR_DRM_DISP_CMD_SUSPEND:
pszMode = "Suspend";
break;
case PVR_DRM_DISP_CMD_OFF:
pszMode = "Off";
break;
default:
pszMode = "(Unknown Mode)";
break;
}
printk(KERN_WARNING DRIVER_PREFIX ": %s: PVR Device %u: Display %s\n",
__FUNCTION__, uiPVRDevID, pszMode);
}
#endif
switch(uiCmd)
{
case PVR_DRM_DISP_CMD_ON:
iFBMode = FB_BLANK_UNBLANK;
break;
case PVR_DRM_DISP_CMD_STANDBY:
iFBMode = FB_BLANK_HSYNC_SUSPEND;
break;
case PVR_DRM_DISP_CMD_SUSPEND:
iFBMode = FB_BLANK_VSYNC_SUSPEND;
break;
case PVR_DRM_DISP_CMD_OFF:
iFBMode = FB_BLANK_POWERDOWN;
break;
default:
return -EINVAL;
}
OMAPLFBCreateSwapChainLock(psDevInfo);
if (psDevInfo->psSwapChain != NULL)
{
flush_workqueue(psDevInfo->psSwapChain->psWorkQueue);
}
OMAPLFB_CONSOLE_LOCK();
ret = fb_blank(psDevInfo->psLINFBInfo, iFBMode);
OMAPLFB_CONSOLE_UNLOCK();
OMAPLFBCreateSwapChainUnLock(psDevInfo);
break;
}
default:
{
ret = -EINVAL;
break;
}
}
return ret;
}