Macros
#define	XVPROCSS_LOG_H
	< prevent circular inclusions by using protection macros More...

#define	XVPROCSS_EVT_BUFFSIZE 256
	Data structure for the event logging mechanism for debug. More...

#define	XVPROCSS_EDAT_SUCCESS 0x00
	Event Log status codes. More...

Enumerations
enum	XVPROCSS_VDMA_CH_UPDATE
	This typedef enumerates the VDMA channel that needs update. More...

enum	XVprocSs_LogEvent { XVPROCSS_EVT_NONE = 1, XVPROCSS_EVT_INIT, XVPROCSS_EVT_INIT_RESAXIS, XVPROCSS_EVT_INIT_RESAXIM, XVPROCSS_EVT_INIT_ROUTER, XVPROCSS_EVT_INIT_LBOX, XVPROCSS_EVT_INIT_VDMA, XVPROCSS_EVT_CFGERR_VDMA, XVPROCSS_EVT_OPERR_VDMA, XVPROCSS_EVT_CFG_HSCALER, XVPROCSS_EVT_CFG_VSCALER, XVPROCSS_EVT_CFG_CSC, XVPROCSS_EVT_CFG_DEINT, XVPROCSS_EVT_CFG_VCRI, XVPROCSS_EVT_CFG_VCRO, XVPROCSS_EVT_CFG_HCR, XVPROCSS_EVT_CFG_MAX, XVPROCSS_EVT_CFG_VPSS, XVPROCSS_EVT_CHK_TOPO, XVPROCSS_EVT_CHK_BASEADDR, XVPROCSS_EVT_SET_PIPMODE, XVPROCSS_EVT_SET_ZOOMMODE, XVPROCSS_EVT_SET_PIPWIN, XVPROCSS_EVT_SET_ZOOMWIN, XVPROCSS_EVT_GET_ZPWIN, XVPROCSS_EVT_UPDATE_ZPWIN, XVPROCSS_EVT_RESET_VPSS, XVPROCSS_EVT_START_VPSS, XVPROCSS_EVT_STOP_VPSS, XVPROCSS_EVT_LAST_ENUM }
	This typedef contains the Event Log identifiers. More...

Functions
void	XVprocSs_VdmaStart (XVprocSs *XVprocSsPtr)
	This function starts Read and Write channels. More...

void	XVprocSs_VdmaStop (XVprocSs *XVprocSsPtr)
	This function stops Read and Write channels. More...

void	XVprocSs_VdmaReset (XVprocSs *XVprocSsPtr)
	This function resets Read and Write channels. More...

int	XVprocSs_VdmaWriteSetup (XVprocSs XVprocSsPtr, UINTPTR WrBaseAddress, XVidC_VideoWindow window, u32 FrameWidth, u32 FrameHeight, u32 PixelWidthInBits)
	This function sets up the write channel. More...

int	XVprocSs_VdmaReadSetup (XVprocSs XVprocSsPtr, UINTPTR RdBaseAddress, XVidC_VideoWindow window, u32 FrameWidth, u32 FrameHeight, u32 PixelWidthInBits)
	This function sets up the read channel. More...

int	XVprocSs_VdmaStartTransfer (XVprocSs *XVprocSsPtr)
	This function starts the transfer on Read/Write channels. More...

void	XVprocSs_VdmaSetWinToDnScaleMode (XVprocSs *XVprocSsPtr, u32 updateCh)
	This function configures the VDMA RD/WR channel for down scale mode. More...

void	XVprocSs_VdmaSetWinToUpScaleMode (XVprocSs *XVprocSsPtr, u32 updateCh)
	This function configures the VDMA RD/WR channel for UP scale (or 1:1) mode. More...

void	XVprocSs_VdmaDbgReportStatus (XVprocSs *XVprocSsPtr, u32 PixelWidthInBits)
	This function prints VDMA status on the console. More...

int	XVprocSs_SubcoreInitResetAxis (XVprocSs *XVprocSsPtr)
	This function initializes the included sub-core to it's static configuration. More...

int	XVprocSs_SubcoreInitResetAximm (XVprocSs *XVprocSsPtr)
	This function initializes the included sub-core to it's static configuration. More...

int	XVprocSs_SubcoreInitRouter (XVprocSs *XVprocSsPtr)
	This function initializes the included sub-core to it's static configuration. More...

int	XVprocSs_SubcoreInitCsc (XVprocSs *XVprocSsPtr)
	This function initializes the included sub-core to it's static configuration. More...

int	XVprocSs_SubcoreInitHScaler (XVprocSs *XVprocSsPtr)
	This function initializes the included sub-core to it's static configuration. More...

int	XVprocSs_SubcoreInitVScaler (XVprocSs *XVprocSsPtr)
	This function initializes the included sub-core to it's static configuration. More...

int	XVprocSs_SubcoreInitHCrsmplr (XVprocSs *XVprocSsPtr)
	This function initializes the included sub-core to it's static configuration. More...

int	XVprocSs_SubcoreInitVCrsmpleIn (XVprocSs *XVprocSsPtr)
	This function initializes the included sub-core to it's static configuration. More...

int	XVprocSs_SubcoreInitVCrsmpleOut (XVprocSs *XVprocSsPtr)
	This function initializes the included sub-core to it's static configuration. More...

int	XVprocSs_SubcoreInitLetterbox (XVprocSs *XVprocSsPtr)
	This function initializes the included sub-core to it's static configuration. More...

int	XVprocSs_SubcoreInitVdma (XVprocSs *XVprocSsPtr)
	This function initializes the included sub-core to it's static configuration. More...

int	XVprocSs_SubcoreInitDeinterlacer (XVprocSs *XVprocSsPtr)
	This function initializes the included sub-core to it's static configuration. More...

int	XVprocSs_BuildRoutingTable (XVprocSs *XVprocSsPtr)
	This function examines the subsystem Input/Output Stream configuration and builds a routing table for the supported use-case. More...

void	XVprocSs_ProgRouterMux (XVprocSs *XVprocSsPtr)
	This function traverses the computed routing table and sets up the AXIS switch registers, to route the stream through processing cores, in the order defined in the routing map. More...

void	XVprocSs_SetupRouterDataFlow (XVprocSs *XVprocSsPtr)
	This function traverses the routing map built earlier and configures each sub-core in the processing path per its location in the chain. More...

XVprocSs_Config *	XVprocSs_LookupConfig (u32 DeviceId)
	This function looks for the device configuration based on the unique device ID. More...

Variables
u16	XVprocSs_Log::DataBuffer [XVPROCSS_EVT_BUFFSIZE]
	Log buffer with event data. More...

u8	XVprocSs_Log::HeadIndex
	Index of the head entry of the Event/DataBuffer. More...

u8	XVprocSs_Log::TailIndex
	Index of the tail entry of the Event/DataBuffer. More...

Macro Definition Documentation

#define XVPROCSS_EDAT_SUCCESS 0x00

Event Log status codes.

These are the event data values.

0x00 - 0x0F : Successful events - applicable to VPSS and subcores 0xF0 - 0xFF : Error events - applicable to VPSS and subcores

0x10 ... : Successful events - applicable to particular subcores ... 0xEF : Error events - applicable to particular subcores

Referenced by XVprocSs_GetZoomPipWindow(), XVprocSs_LogDisplay(), XVprocSs_Reset(), XVprocSs_SetZoomPipWindow(), XVprocSs_Start(), XVprocSs_Stop(), and XVprocSs_UpdateZoomPipWindow().

#define XVPROCSS_EVT_BUFFSIZE 256

Data structure for the event logging mechanism for debug.

Referenced by XVprocSs_LogRead(), and XVprocSs_LogWrite().

#define XVPROCSS_LOG_H

< prevent circular inclusions by using protection macros

Enumeration Type Documentation

enum XVprocSs_LogEvent

This typedef contains the Event Log identifiers.

Enumerator
XVPROCSS_EVT_NONE	Log event none.
XVPROCSS_EVT_INIT	Log event init.
XVPROCSS_EVT_INIT_RESAXIS	Log event init status of Reset Axis subcore.
XVPROCSS_EVT_INIT_RESAXIM	Log event init status of Reset Aximm subcore.
XVPROCSS_EVT_INIT_ROUTER	Log event init status of Router subcore.
XVPROCSS_EVT_INIT_LBOX	Log event init status of Letterbox subcore.
XVPROCSS_EVT_INIT_VDMA	Log event init status of VDMA subcore.
XVPROCSS_EVT_CFGERR_VDMA	Log event VDMA configuration error.
XVPROCSS_EVT_OPERR_VDMA	Log event VDMA operation error.
XVPROCSS_EVT_CFG_HSCALER	Log event Scaler config status.
XVPROCSS_EVT_CFG_VSCALER	Log event Scaler config status.
XVPROCSS_EVT_CFG_CSC	Log event Csc config status.
XVPROCSS_EVT_CFG_DEINT	Log event Deinterlacer config status.
XVPROCSS_EVT_CFG_VCRI	Log event VCResampler config status.
XVPROCSS_EVT_CFG_VCRO	Log event VCResampler config status.
XVPROCSS_EVT_CFG_HCR	Log event HCResampler config status.
XVPROCSS_EVT_CFG_MAX	Log event Full Fledged config status.
XVPROCSS_EVT_CFG_VPSS	Log event VPSS config status.
XVPROCSS_EVT_CHK_TOPO	Log event check Topology.
XVPROCSS_EVT_CHK_BASEADDR	Log event check Frame buffer base address.
XVPROCSS_EVT_SET_PIPMODE	Log event Set Pip Mode.
XVPROCSS_EVT_SET_ZOOMMODE	Log event Set Zoom Mode.
XVPROCSS_EVT_SET_PIPWIN	Log event Set Pip window.
XVPROCSS_EVT_SET_ZOOMWIN	Log event Set Zoom window.
XVPROCSS_EVT_GET_ZPWIN	Log event Get Zoom/Pip window.
XVPROCSS_EVT_UPDATE_ZPWIN	Log event Update Zoom/Pip window status.
XVPROCSS_EVT_RESET_VPSS	Log event Reset the VPSS.
XVPROCSS_EVT_START_VPSS	Log event Start the VPSS.
XVPROCSS_EVT_STOP_VPSS	Log event Stop the VPSS.
XVPROCSS_EVT_LAST_ENUM	(dummy event: marks last enum)

enum XVPROCSS_VDMA_CH_UPDATE

This typedef enumerates the VDMA channel that needs update.

Function Documentation

int XVprocSs_BuildRoutingTable ( XVprocSs * XVprocSsPtr )

This function examines the subsystem Input/Output Stream configuration and builds a routing table for the supported use-case.

The computed routing table is stored in the scratch pad memory

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: XST_SUCCESS if routing table can be created else XST_FAILURE

References XVprocSs_ContextData::CscIn, XVprocSs_ContextData::CscOut, XVprocSs::CtxtData, XVprocSs_ContextData::HcrIn, XVprocSs_ContextData::HcrOut, XVprocSs_ContextData::RtngTable, XVprocSs_ContextData::RtrNumCores, XVprocSs_ContextData::ScaleMode, XVprocSs_ContextData::StrmCformat, XVprocSs::VdmaPtr, XVprocSs::VidIn, XVprocSs_ContextData::VidInHeight, XVprocSs_ContextData::VidInWidth, XVprocSs::VidOut, XVPROCSS_EVT_CFG_MAX, and XVprocSs_LogWrite().

XVprocSs_Config* XVprocSs_LookupConfig ( u32 DeviceId )

This function looks for the device configuration based on the unique device ID.

The table XVprocSs_ConfigTable[] contains the configuration information for each instance of the device in the system.

Parameters

DeviceId is the unique device ID of the device being looked up

Returns: A pointer to the configuration table entry corresponding to the given device ID, or NULL if no match is found

Referenced by XSys_Init().

void XVprocSs_ProgRouterMux ( XVprocSs * XVprocSsPtr )

This function traverses the computed routing table and sets up the AXIS switch registers, to route the stream through processing cores, in the order defined in the routing map.

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: None

References XVprocSs::CtxtData, XVprocSs::RouterPtr, XVprocSs_ContextData::RtngTable, XVprocSs_ContextData::RtrNumCores, XVPROCSS_EVT_CFG_MAX, and XVprocSs_LogWrite().

void XVprocSs_SetupRouterDataFlow ( XVprocSs * XVprocSsPtr )

This function traverses the routing map built earlier and configures each sub-core in the processing path per its location in the chain.

Each core in the processing path is marked and only marked cores are started All remaining cores stay disabled

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: None

int XVprocSs_SubcoreInitCsc ( XVprocSs * XVprocSsPtr )

This function initializes the included sub-core to it's static configuration.

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: XST_SUCCESS/XST_FAILURE

References XSubCore::AddrOffset, XVprocSs_Config::BaseAddress, XVprocSs::Config, XVprocSs_Config::Csc, XVprocSs::CscPtr, XSubCore::DeviceId, XVprocSs_Config::HighAddress, XVPROCSS_EVT_CFG_CSC, and XVprocSs_LogWrite().

Referenced by XVprocSs_CfgInitialize().

int XVprocSs_SubcoreInitDeinterlacer ( XVprocSs * XVprocSsPtr )

This function initializes the included sub-core to it's static configuration.

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: XST_SUCCESS/XST_FAILURE

References XSubCore::AddrOffset, XVprocSs_Config::BaseAddress, XVprocSs::Config, XVprocSs_Config::Deint, XVprocSs::DeintPtr, XSubCore::DeviceId, XVprocSs_Config::HighAddress, XVPROCSS_EVT_CFG_DEINT, and XVprocSs_LogWrite().

Referenced by XVprocSs_CfgInitialize().

int XVprocSs_SubcoreInitHCrsmplr ( XVprocSs * XVprocSsPtr )

This function initializes the included sub-core to it's static configuration.

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: XST_SUCCESS/XST_FAILURE

References XSubCore::AddrOffset, XVprocSs_Config::BaseAddress, XVprocSs::Config, XSubCore::DeviceId, XVprocSs_Config::HCrsmplr, XVprocSs::HcrsmplrPtr, XVprocSs_Config::HighAddress, XVPROCSS_EVT_CFG_HCR, and XVprocSs_LogWrite().

Referenced by XVprocSs_CfgInitialize().

int XVprocSs_SubcoreInitHScaler ( XVprocSs * XVprocSsPtr )

This function initializes the included sub-core to it's static configuration.

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: XST_SUCCESS/XST_FAILURE

References XSubCore::AddrOffset, XVprocSs_Config::BaseAddress, XVprocSs::Config, XSubCore::DeviceId, XVprocSs_Config::HighAddress, XVprocSs_Config::Hscale, XVprocSs::HscalerPtr, XVPROCSS_EVT_CFG_HSCALER, and XVprocSs_LogWrite().

Referenced by XVprocSs_CfgInitialize().

int XVprocSs_SubcoreInitLetterbox ( XVprocSs * XVprocSsPtr )

This function initializes the included sub-core to it's static configuration.

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: XST_SUCCESS/XST_FAILURE

References XSubCore::AddrOffset, XVprocSs_Config::BaseAddress, XVprocSs::Config, XSubCore::DeviceId, XVprocSs_Config::HighAddress, XVprocSs_Config::Lbox, XVprocSs::LboxPtr, XVPROCSS_EVT_INIT_LBOX, and XVprocSs_LogWrite().

Referenced by XVprocSs_CfgInitialize().

int XVprocSs_SubcoreInitResetAximm ( XVprocSs * XVprocSsPtr )

This function initializes the included sub-core to it's static configuration.

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: XST_SUCCESS/XST_FAILURE

References XSubCore::AddrOffset, XVprocSs_Config::BaseAddress, XVprocSs::Config, XSubCore::DeviceId, XVprocSs_Config::HighAddress, XVprocSs_Config::RstAximm, XVprocSs::RstAximmPtr, XVPROCSS_EVT_INIT_RESAXIM, and XVprocSs_LogWrite().

Referenced by XVprocSs_CfgInitialize().

int XVprocSs_SubcoreInitResetAxis ( XVprocSs * XVprocSsPtr )

This function initializes the included sub-core to it's static configuration.

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: XST_SUCCESS/XST_FAILURE

References XSubCore::AddrOffset, XVprocSs_Config::BaseAddress, XVprocSs::Config, XSubCore::DeviceId, XVprocSs_Config::HighAddress, XVprocSs_Config::RstAxis, XVprocSs::RstAxisPtr, XVPROCSS_EVT_INIT_RESAXIS, and XVprocSs_LogWrite().

Referenced by XVprocSs_CfgInitialize().

int XVprocSs_SubcoreInitRouter ( XVprocSs * XVprocSsPtr )

This function initializes the included sub-core to it's static configuration.

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: XST_SUCCESS/XST_FAILURE

References XSubCore::AddrOffset, XVprocSs_Config::BaseAddress, XVprocSs::Config, XSubCore::DeviceId, XVprocSs_Config::HighAddress, XVprocSs_Config::Router, XVprocSs::RouterPtr, XVPROCSS_EVT_INIT_ROUTER, and XVprocSs_LogWrite().

Referenced by XVprocSs_CfgInitialize().

int XVprocSs_SubcoreInitVCrsmpleIn ( XVprocSs * XVprocSsPtr )

This function initializes the included sub-core to it's static configuration.

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: XST_SUCCESS/XST_FAILURE

References XSubCore::AddrOffset, XVprocSs_Config::BaseAddress, XVprocSs::Config, XSubCore::DeviceId, XVprocSs_Config::HighAddress, XVprocSs_Config::VCrsmplrIn, XVprocSs::VcrsmplrInPtr, XVPROCSS_EVT_CFG_VCRI, and XVprocSs_LogWrite().

Referenced by XVprocSs_CfgInitialize().

int XVprocSs_SubcoreInitVCrsmpleOut ( XVprocSs * XVprocSsPtr )

This function initializes the included sub-core to it's static configuration.

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: XST_SUCCESS/XST_FAILURE

References XSubCore::AddrOffset, XVprocSs_Config::BaseAddress, XVprocSs::Config, XSubCore::DeviceId, XVprocSs_Config::HighAddress, XVprocSs_Config::VCrsmplrOut, XVprocSs::VcrsmplrOutPtr, XVPROCSS_EVT_CFG_VCRO, and XVprocSs_LogWrite().

Referenced by XVprocSs_CfgInitialize().

int XVprocSs_SubcoreInitVdma ( XVprocSs * XVprocSsPtr )

This function initializes the included sub-core to it's static configuration.

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: XST_SUCCESS/XST_FAILURE

References XSubCore::AddrOffset, XVprocSs_Config::BaseAddress, XVprocSs::Config, XSubCore::DeviceId, XVprocSs_Config::HighAddress, XVprocSs_Config::Vdma, XVprocSs::VdmaPtr, XVPROCSS_EVT_INIT_VDMA, and XVprocSs_LogWrite().

Referenced by XVprocSs_CfgInitialize().

int XVprocSs_SubcoreInitVScaler ( XVprocSs * XVprocSsPtr )

This function initializes the included sub-core to it's static configuration.

Parameters

XVprocSsPtr is a pointer to the Subsystem instance to be worked on.

Returns: XST_SUCCESS/XST_FAILURE

References XSubCore::AddrOffset, XVprocSs_Config::BaseAddress, XVprocSs::Config, XSubCore::DeviceId, XVprocSs_Config::HighAddress, XVprocSs_Config::Vscale, XVprocSs::VscalerPtr, XVPROCSS_EVT_CFG_VSCALER, and XVprocSs_LogWrite().

Referenced by XVprocSs_CfgInitialize().

void XVprocSs_VdmaDbgReportStatus	(	XVprocSs *	XVprocSsPtr,
		u32	PixelWidthInBits
	)

This function prints VDMA status on the console.

Parameters

XVdmaPtr	is the instance pointer to the DMA engine.
Bpp	is Bytes per pixel to be used for data transfer

Returns: None

References XVprocSs::VdmaPtr.

Referenced by XVprocSs_ReportSubcoreStatus().

int XVprocSs_VdmaReadSetup	(	XVprocSs *	XVprocSsPtr,
		UINTPTR	RdBaseAddress,
		XVidC_VideoWindow *	window,
		u32	FrameWidth,
		u32	FrameHeight,
		u32	PixelWidthInBits
	)

This function sets up the read channel.

Parameters

XVprocSsPtr	is the pointer to the VPSS instance.
RdBaseAddress	is the address in DDR where frame buffers are located
window	is pointer to sub-frame window
FrameWidth	is the active width of the stream to be read
FrameHeight	is the active height of the stream to be read
PixelWidthInBits	is Bits Per Pixel required for the stream

Returns: XST_SUCCESS if the setup is successful, XST_FAILURE otherwise.

Note: None.

References XVprocSs::VdmaPtr, XVPROCSS_EVT_CFGERR_VDMA, and XVprocSs_LogWrite().

Referenced by XVprocSs_VdmaSetWinToDnScaleMode(), and XVprocSs_VdmaSetWinToUpScaleMode().

void XVprocSs_VdmaReset ( XVprocSs * XVprocSsPtr )

This function resets Read and Write channels.

Parameters

XVprocSsPtr is the pointer to the VPSS instance

Returns: None

References XVprocSs::VdmaPtr, XVPROCSS_EVT_OPERR_VDMA, and XVprocSs_LogWrite().

Referenced by XVprocSs_Reset().

void XVprocSs_VdmaSetWinToDnScaleMode	(	XVprocSs *	XVprocSsPtr,
		u32	updateCh
	)

This function configures the VDMA RD/WR channel for down scale mode.

Parameters

XVprocSsPtr	is the pointer to the VPSS instance.
updateCh	defines VDMA channel (RD/WR or RD+WR) to update

Returns: None

References XVprocSs::CtxtData, XVprocSs::FrameBufBaseaddr, XVprocSs_ContextData::PixelWidthInBits, XVprocSs::VidOut, XVprocSs_GetZoomPipWindow(), XVprocSs_IsPipModeOn, XVprocSs_VdmaReadSetup(), and XVprocSs_VdmaWriteSetup().

Referenced by XVprocSs_SetupRouterDataFlow(), and XVprocSs_UpdateZoomPipWindow().

void XVprocSs_VdmaSetWinToUpScaleMode	(	XVprocSs *	XVprocSsPtr,
		u32	updateCh
	)

This function configures the VDMA RD/WR channel for UP scale (or 1:1) mode.

Parameters

XVprocSsPtr	is the pointer to the VPSS instance.
updateCh	defines VDMA channel (RD/WR or RD+WR) to update

Returns: None

References XVprocSs::CtxtData, XVprocSs::FrameBufBaseaddr, XVprocSs_ContextData::PixelWidthInBits, XVprocSs_ContextData::VidInHeight, XVprocSs_ContextData::VidInWidth, XVprocSs_GetZoomPipWindow(), XVprocSs_IsZoomModeOn, XVprocSs_VdmaReadSetup(), and XVprocSs_VdmaWriteSetup().

Referenced by XVprocSs_SetupRouterDataFlow(), and XVprocSs_UpdateZoomPipWindow().

void XVprocSs_VdmaStart ( XVprocSs * XVprocSsPtr )

This function starts Read and Write channels.

Parameters

XVdmaPtr is the pointer to core instance to be worked on

Returns: None

References XVprocSs::VdmaPtr.

int XVprocSs_VdmaStartTransfer ( XVprocSs * XVprocSsPtr )

This function starts the transfer on Read/Write channels.

Both channels must have been configured before this call is made

Parameters

XVprocSsPtr is the pointer to the VPSS instance.

Returns: XST_SUCCESS if the setup is successful, XST_FAILURE otherwise.

Note: Currently the return value is ignored at subsystem level.

References XVprocSs::VdmaPtr, XVPROCSS_EVT_OPERR_VDMA, and XVprocSs_LogWrite().

Referenced by XVprocSs_Start(), and XVprocSs_UpdateZoomPipWindow().

void XVprocSs_VdmaStop ( XVprocSs * XVprocSsPtr )

This function stops Read and Write channels.

Parameters

XVdmaPtr is the pointer to core instance to be worked on

Returns: None

References XVprocSs::VdmaPtr.

Referenced by XVprocSs_Stop().

int XVprocSs_VdmaWriteSetup	(	XVprocSs *	XVprocSsPtr,
		UINTPTR	WrBaseAddress,
		XVidC_VideoWindow *	window,
		u32	FrameWidth,
		u32	FrameHeight,
		u32	PixelWidthInBits
	)

This function sets up the write channel.

Parameters

XVprocSsPtr	is the pointer to the VPSS instance.
WrBaseAddress	is the address in DDR where frame buffers are located
window	is pointer to sub-frame window
FrameWidth	is the active width of the stream to be written
FrameHeight	is the active height of the stream to be written
PixelWidthInBits	is Bits Per Pixel required for the stream

Returns: XST_SUCCESS if the setup is successful, XST_FAILURE otherwise.

References XVprocSs::VdmaPtr, XVPROCSS_EVT_CFGERR_VDMA, and XVprocSs_LogWrite().

Referenced by XVprocSs_VdmaSetWinToDnScaleMode(), and XVprocSs_VdmaSetWinToUpScaleMode().

Variable Documentation

u16 XVprocSs_Log::DataBuffer[XVPROCSS_EVT_BUFFSIZE]

Log buffer with event data.

u8 XVprocSs_Log::HeadIndex

Index of the head entry of the

Event/DataBuffer.

u8 XVprocSs_Log::TailIndex

Index of the tail entry of the

Event/DataBuffer.

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation