OMAPLFB_ERROR OMAPLFBInit(void)
{
unsigned uiMaxFBDevIDPlusOne = OMAPLFBMaxFBDevIDPlusOne();
unsigned i;
unsigned uiDevicesFound = 0;
if(OMAPLFBGetLibFuncAddr ("PVRGetDisplayClassJTable", &gpfnGetPVRJTable) != OMAPLFB_OK)
{
return OMAPLFB_ERROR_INIT_FAILURE;
}
for(i = uiMaxFBDevIDPlusOne; i-- != 0;)
{
OMAPLFB_DEVINFO *psDevInfo = OMAPLFBInitDev(i);
if (psDevInfo != NULL)
{
OMAPLFBSetDevInfoPtr(psDevInfo->uiFBDevID, psDevInfo);
uiDevicesFound++;
}
}
return (uiDevicesFound != 0) ? OMAPLFB_OK : OMAPLFB_ERROR_INIT_FAILURE;
}
OMAP_ERROR OMAPLFBInit(void)
{
OMAPLFB_DEVINFO *psDevInfo;
psDevInfo = GetAnchorPtr();
if (psDevInfo == NULL)
{
PFN_CMD_PROC pfnCmdProcList[OMAPLFB_COMMAND_COUNT];
IMG_UINT32 aui32SyncCountList[OMAPLFB_COMMAND_COUNT][2];
psDevInfo = (OMAPLFB_DEVINFO *)OMAPLFBAllocKernelMem(sizeof(OMAPLFB_DEVINFO));
if(!psDevInfo)
{
return (OMAP_ERROR_OUT_OF_MEMORY);
}
memset(psDevInfo, 0, sizeof(OMAPLFB_DEVINFO));
SetAnchorPtr((void*)psDevInfo);
psDevInfo->ulRefCount = 0;
if(InitDev(psDevInfo) != OMAP_OK)
{
return (OMAP_ERROR_INIT_FAILURE);
}
if(OMAPLFBGetLibFuncAddr ("PVRGetDisplayClassJTable", &pfnGetPVRJTable) != OMAP_OK)
{
return (OMAP_ERROR_INIT_FAILURE);
}
if(!(*pfnGetPVRJTable)(&psDevInfo->sPVRJTable))
{
return (OMAP_ERROR_INIT_FAILURE);
}
spin_lock_init(&psDevInfo->sSwapChainLock);
psDevInfo->psSwapChain = 0;
psDevInfo->bFlushCommands = OMAP_FALSE;
psDevInfo->bDeviceSuspended = OMAP_FALSE;
psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers = (IMG_UINT32)(psDevInfo->sFBInfo.ulFBSize / psDevInfo->sFBInfo.ulRoundedBufferSize);
if (psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers == 0)
{
psDevInfo->sDisplayInfo.ui32MaxSwapChains = 0;
psDevInfo->sDisplayInfo.ui32MaxSwapInterval = 0;
}
else
{
psDevInfo->sDisplayInfo.ui32MaxSwapChains = 1;
psDevInfo->sDisplayInfo.ui32MaxSwapInterval = 3;
}
psDevInfo->sDisplayInfo.ui32MinSwapInterval = 0;
strncpy(psDevInfo->sDisplayInfo.szDisplayName, DISPLAY_DEVICE_NAME, MAX_DISPLAY_NAME_SIZE);
psDevInfo->sDisplayFormat.pixelformat = psDevInfo->sFBInfo.ePixelFormat;
psDevInfo->sDisplayDim.ui32Width = (IMG_UINT32)psDevInfo->sFBInfo.ulWidth;
psDevInfo->sDisplayDim.ui32Height = (IMG_UINT32)psDevInfo->sFBInfo.ulHeight;
psDevInfo->sDisplayDim.ui32ByteStride = (IMG_UINT32)psDevInfo->sFBInfo.ulByteStride;
DEBUG_PRINTK((KERN_INFO DRIVER_PREFIX
": Maximum number of swap chain buffers: %lu\n",
psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers));
psDevInfo->sSystemBuffer.sSysAddr = psDevInfo->sFBInfo.sSysAddr;
psDevInfo->sSystemBuffer.sCPUVAddr = psDevInfo->sFBInfo.sCPUVAddr;
psDevInfo->sSystemBuffer.ulBufferSize = psDevInfo->sFBInfo.ulRoundedBufferSize;
psDevInfo->sDCJTable.ui32TableSize = sizeof(PVRSRV_DC_SRV2DISP_KMJTABLE);
psDevInfo->sDCJTable.pfnOpenDCDevice = OpenDCDevice;
psDevInfo->sDCJTable.pfnCloseDCDevice = CloseDCDevice;
psDevInfo->sDCJTable.pfnEnumDCFormats = EnumDCFormats;
psDevInfo->sDCJTable.pfnEnumDCDims = EnumDCDims;
psDevInfo->sDCJTable.pfnGetDCSystemBuffer = GetDCSystemBuffer;
psDevInfo->sDCJTable.pfnGetDCInfo = GetDCInfo;
psDevInfo->sDCJTable.pfnGetBufferAddr = GetDCBufferAddr;
psDevInfo->sDCJTable.pfnCreateDCSwapChain = CreateDCSwapChain;
psDevInfo->sDCJTable.pfnDestroyDCSwapChain = DestroyDCSwapChain;
psDevInfo->sDCJTable.pfnSetDCDstRect = SetDCDstRect;
psDevInfo->sDCJTable.pfnSetDCSrcRect = SetDCSrcRect;
psDevInfo->sDCJTable.pfnSetDCDstColourKey = SetDCDstColourKey;
psDevInfo->sDCJTable.pfnSetDCSrcColourKey = SetDCSrcColourKey;
psDevInfo->sDCJTable.pfnGetDCBuffers = GetDCBuffers;
psDevInfo->sDCJTable.pfnSwapToDCBuffer = SwapToDCBuffer;
psDevInfo->sDCJTable.pfnSwapToDCSystem = SwapToDCSystem;
psDevInfo->sDCJTable.pfnSetDCState = SetDCState;
if(psDevInfo->sPVRJTable.pfnPVRSRVRegisterDCDevice (
&psDevInfo->sDCJTable,
&psDevInfo->ulDeviceID ) != PVRSRV_OK)
{
return (OMAP_ERROR_DEVICE_REGISTER_FAILED);
}
pfnCmdProcList[DC_FLIP_COMMAND] = ProcessFlip;
aui32SyncCountList[DC_FLIP_COMMAND][0] = 0;
aui32SyncCountList[DC_FLIP_COMMAND][1] = 2;
if (psDevInfo->sPVRJTable.pfnPVRSRVRegisterCmdProcList (psDevInfo->ulDeviceID,
&pfnCmdProcList[0],
aui32SyncCountList,
OMAPLFB_COMMAND_COUNT) != PVRSRV_OK)
{
printk(KERN_WARNING DRIVER_PREFIX ": Can't register callback\n");
return (OMAP_ERROR_CANT_REGISTER_CALLBACK);
}
}
psDevInfo->ulRefCount++;
return (OMAP_OK);
}
