stv0g/embeddedsw
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

vtc: Corrected VsyncStart Calculations

Browse source 
Corrected VsyncStart and also corrected register
read to XVTC_DVSYNC_F1_OFFSET in XVtc_GetDetector API

Signed-off-by: VNSL Durga <vnsldurg@xilinx.com>
Acked-by: Srikanth Vemula <svemula@xilinx.com>
This commit is contained in:
VNSL Durga 2015-10-07 20:29:21 +05:30 • committed by Nava kishore Manne
parent 7482d0d624
commit 694c38328c
1 changed files with 14 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
XilinxProcessorIPLib/drivers/vtc/src/xvtc.c
View file

@ -157,6 +157,11 @@
* Modified XVtc_SetGenerator, XVtc_GetGenerator,
* XVtc_GetDetector, XVtc_ConvTiming2Signal and
* XVtc_ConvSignal2Timing APIs
* 7.1 vns 07/10/15 Corrected V0SyncStart and V1SyncStart values
* in APIs XVtc_ConvTiming2Signal and
* XVtc_ConvSignal2Timing
* Corrected register read to XVTC_DVSYNC_F1_OFFSET
* in API XVtc_GetDetector
* </pre>
*
******************************************************************************/
@ -1735,7 +1740,7 @@ void XVtc_GetDetector(XVtc *InstancePtr, XVtc_Signal *SignalCfgPtr)
XVTC_SB_START_MASK);
RegValue = XVtc_ReadReg(InstancePtr->Config.BaseAddress,
XVTC_GVSYNC_F1_OFFSET);
XVTC_DVSYNC_F1_OFFSET);
SCPtr->V1SyncStart = ((RegValue) & XVTC_SB_START_MASK);
SCPtr->V1BackPorchStart = (((RegValue>>XVTC_SB_END_SHIFT)) &
XVTC_SB_START_MASK);
@ -2144,11 +2149,11 @@ void XVtc_ConvTiming2Signal(XVtc *InstancePtr, XVtc_Timing *TimingPtr,
SignalCfgPtr->V0ActiveStart = 0;
SignalCfgPtr->V0FrontPorchStart = TimingPtr->VActiveVideo;
SignalCfgPtr->V0SyncStart = SignalCfgPtr->V0FrontPorchStart +
TimingPtr->V0FrontPorch;
TimingPtr->V0FrontPorch - 1;
SignalCfgPtr->V0BackPorchStart = SignalCfgPtr->V0SyncStart +
TimingPtr->V0SyncWidth;
SignalCfgPtr->V0Total = SignalCfgPtr->V0BackPorchStart +
TimingPtr->V0BackPorch;
TimingPtr->V0BackPorch + 1;
HOffPtr->V0BlankHoriStart = SignalCfgPtr->HFrontPorchStart;
HOffPtr->V0BlankHoriEnd = SignalCfgPtr->HFrontPorchStart;
@ -2161,13 +2166,13 @@ void XVtc_ConvTiming2Signal(XVtc *InstancePtr, XVtc_Timing *TimingPtr,
SignalCfgPtr->V1FrontPorchStart = TimingPtr->VActiveVideo;
SignalCfgPtr->V1SyncStart =
SignalCfgPtr->V1FrontPorchStart +
TimingPtr->V1FrontPorch;
TimingPtr->V1FrontPorch - 1;
SignalCfgPtr->V1BackPorchStart =
SignalCfgPtr->V1SyncStart +
TimingPtr->V1SyncWidth;
SignalCfgPtr->V1Total =
SignalCfgPtr->V1BackPorchStart +
TimingPtr->V1BackPorch;
TimingPtr->V1BackPorch + 1;
SignalCfgPtr->Interlaced = 1;
/* Align to H blank */
@ -2259,16 +2264,16 @@ void XVtc_ConvSignal2Timing(XVtc *InstancePtr, XVtc_Signal *SignalCfgPtr,
TimingPtr->V0FrontPorch = SignalCfgPtr->V0SyncStart -
SignalCfgPtr->V0FrontPorchStart;
SignalCfgPtr->V0FrontPorchStart + 1;
TimingPtr->V0SyncWidth = SignalCfgPtr->V0BackPorchStart -
SignalCfgPtr->V0SyncStart;
SignalCfgPtr->V0SyncStart + 1;
TimingPtr->V0BackPorch = SignalCfgPtr->V0Total -
SignalCfgPtr->V0BackPorchStart;
TimingPtr->V1FrontPorch = SignalCfgPtr->V1SyncStart -
SignalCfgPtr->V1FrontPorchStart;
SignalCfgPtr->V1FrontPorchStart + 1;
TimingPtr->V1SyncWidth = SignalCfgPtr->V1BackPorchStart -
SignalCfgPtr->V1SyncStart;
SignalCfgPtr->V1SyncStart + 1;
TimingPtr->V1BackPorch = SignalCfgPtr->V1Total -
SignalCfgPtr->V1BackPorchStart;