MTKLFB_ERROR MTKLFBInit(void)
{
unsigned uiMaxFBDevIDPlusOne = MTKLFBMaxFBDevIDPlusOne();
unsigned i;
unsigned uiDevicesFound = 0;
if(MTKLFBGetLibFuncAddr ("PVRGetDisplayClassJTable", &gpfnGetPVRJTable) != MTKLFB_OK)
{
return MTKLFB_ERROR_INIT_FAILURE;
}
for(i = uiMaxFBDevIDPlusOne; i-- != 0;)
{
MTKLFB_DEVINFO *psDevInfo = MTKLFBInitDev(i);
if (psDevInfo != NULL)
{
MTKLFBSetDevInfoPtr(psDevInfo->uiFBDevID, psDevInfo);
uiDevicesFound++;
}
}
return (uiDevicesFound != 0) ? MTKLFB_OK : MTKLFB_ERROR_INIT_FAILURE;
}
MTKLFB_DEVINFO *MTKLFBGetDevInfoPtr(unsigned uiFBDevID)
{
WARN_ON(uiFBDevID >= MTKLFBMaxFBDevIDPlusOne());
if (uiFBDevID >= MTKLFB_MAX_NUM_DEVICES)
{
return NULL;
}
return gapsDevInfo[uiFBDevID];
}
static void MTKLFBEarlyResumeHandler(struct early_suspend *h)
{
unsigned uiMaxFBDevIDPlusOne = MTKLFBMaxFBDevIDPlusOne();
unsigned i;
for (i=0; i < uiMaxFBDevIDPlusOne; i++)
{
MTKLFB_DEVINFO *psDevInfo = MTKLFBGetDevInfoPtr(i);
if (psDevInfo != NULL)
{
MTKLFBUnblankDisplay(psDevInfo);
MTKLFBAtomicBoolSet(&psDevInfo->sEarlySuspendFlag, MTKLFB_FALSE);
}
}
}
MTKLFB_ERROR MTKLFBDeInit(void)
{
unsigned uiMaxFBDevIDPlusOne = MTKLFBMaxFBDevIDPlusOne();
unsigned i;
MTKLFB_BOOL bError = MTKLFB_FALSE;
for(i = 0; i < uiMaxFBDevIDPlusOne; i++)
{
MTKLFB_DEVINFO *psDevInfo = MTKLFBGetDevInfoPtr(i);
if (psDevInfo != NULL)
{
bError |= !MTKLFBDeInitDev(psDevInfo);
}
}
return (bError) ? MTKLFB_ERROR_INIT_FAILURE : MTKLFB_OK;
}
static MTKLFB_DEVINFO *MTKLFBPVRDevIDToDevInfo(unsigned uiPVRDevID)
{
unsigned uiMaxFBDevIDPlusOne = MTKLFBMaxFBDevIDPlusOne();
unsigned i;
for (i=0; i < uiMaxFBDevIDPlusOne; i++)
{
MTKLFB_DEVINFO *psDevInfo = MTKLFBGetDevInfoPtr(i);
if (psDevInfo->uiPVRDevID == uiPVRDevID)
{
return psDevInfo;
}
}
printk(KERN_WARNING DRIVER_PREFIX
": %s: PVR Device %u: Couldn't find device\n", __FUNCTION__, uiPVRDevID);
return NULL;
}
static PVRSRV_ERROR OpenDCDevice(IMG_UINT32 uiPVRDevID,
IMG_HANDLE *phDevice,
PVRSRV_SYNC_DATA* psSystemBufferSyncData)
{
MTKLFB_DEVINFO *psDevInfo;
MTKLFB_ERROR eError;
unsigned uiMaxFBDevIDPlusOne = MTKLFBMaxFBDevIDPlusOne();
unsigned i;
for (i = 0; i < uiMaxFBDevIDPlusOne; i++)
{
psDevInfo = MTKLFBGetDevInfoPtr(i);
if (psDevInfo != NULL && psDevInfo->uiPVRDevID == uiPVRDevID)
{
break;
}
}
if (i == uiMaxFBDevIDPlusOne)
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX
": %s: PVR Device %u not found\n", __FUNCTION__, uiPVRDevID));
return PVRSRV_ERROR_INVALID_DEVICE;
}
psDevInfo->sSystemBuffer.psSyncData = psSystemBufferSyncData;
eError = MTKLFBUnblankDisplay(psDevInfo);
if (eError != MTKLFB_OK)
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX
": %s: Device %u: MTKLFBUnblankDisplay failed (%d)\n", __FUNCTION__, psDevInfo->uiFBDevID, eError));
return PVRSRV_ERROR_UNBLANK_DISPLAY_FAILED;
}
*phDevice = (IMG_HANDLE)psDevInfo;
return PVRSRV_OK;
}
