embeddedsw/XilinxProcessorIPLib/drivers/vprocss/examples/system.c

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/*****************************************************************************/
/**
*
* @file system.c
*
* This is top level resource file that will initialize all system level
* peripherals
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver   Who    Date     Changes
* ----- ---- -------- -------------------------------------------------------
* 0.01  rc   07/07/14 First release

* </pre>
*
******************************************************************************/
#include "xparameters.h"
#include "system.h"

/************************** Constant Definitions *****************************/
#define USR_FRAME_BUF_BASEADDR     (XPAR_MEMORY_SS_MIG_7SERIES_0_BASEADDR+(0x20000000))

/**************************** Type Definitions *******************************/


/**************************** Local Global *******************************/

/***************** Macros (Inline Functions) Definitions *********************/


/************************** Function Prototypes ******************************/

/************************** Function Definition ******************************/
/*****************************************************************************/
/**
*
* This function is the system level initialization routine. It in turn calls
* each of the included subsystem initialization function
*
* @param	pPeriph is a pointer to the peripherals instance
* @param	pVprocss is a pointer to the video proc subsystem instance
*
* @return
*		- XST_SUCCESS if init. was successful.
*		- XST_FAILURE if init. was unsuccessful.
*
* @note		None.
*
******************************************************************************/
int XSys_Init(XPeriph  *pPeriph, XVprocSs *pVprocss)
{
  int status;
  XVprocSs_Config *VprocSsConfigPtr;

  Xil_AssertNonvoid(pPeriph  != NULL);
  Xil_AssertNonvoid(pVprocss != NULL);

  //Init all instance variables to 0
  memset(pPeriph,  0, sizeof(XPeriph));
  memset(pVprocss, 0, sizeof(XVprocSs));

  xil_printf("\r\n  ->Initialize System Peripherals.... \r\n");
  status = XPeriph_PowerOnInit(pPeriph);
  if(status != XST_SUCCESS)
  {
	 xil_printf("ERR:: System Peripheral Init. error\n\r");
	 return(XST_FAILURE);
  }

  xil_printf("\r\n  ->Initialize Video Processing Subsystem...\r\n");
  VprocSsConfigPtr = XVprocSs_LookupConfig(XPAR_V_PROC_SS_0_DEVICE_ID);
  if(VprocSsConfigPtr == NULL)
  {
	xil_printf("ERR:: VprocSs device not found\r\n");
    return (XST_DEVICE_NOT_FOUND);
  }

  if(VprocSsConfigPtr->Topology == XVPROCSS_TOPOLOGY_FULL_FLEDGED)
  {
    XVprocSs_SetFrameBufBaseaddr(pVprocss, USR_FRAME_BUF_BASEADDR);
  }

  status = XVprocSs_CfgInitialize(pVprocss,
		                          VprocSsConfigPtr,
		                          VprocSsConfigPtr->BaseAddress);

  if(status != XST_SUCCESS)
  {
	 xil_printf("ERR:: Video Processing Subsystem Init. error\n\r");
	 return(XST_FAILURE);
  }

  return(status);
}

/*****************************************************************************/
/**
*
* This function is to set vpss stream parameters
*
* @param	pVprocss is a pointer to the video proc subsystem instance
* @param    Direction defined if parameters are to be applied to Input or
*           output stream
* @param    Width is stream width
* @param    Height is stream height
* @param    cfmt is stream color format
*
* @return   None
*
* @note		None.
*
******************************************************************************/
void XSys_SetStreamParam(XVprocSs *pVprocss,
		                 u16 Direction,
		                 u16 Width,
		                 u16 Height,
		                 XVidC_ColorFormat cfmt,
		                 u16 IsInterlaced)
{
  XVidC_VideoMode resId;
  XVidC_VideoStream Stream;

  resId = XVidC_GetVideoModeId(Width, Height, XVIDC_FR_60HZ, FALSE);

  //Setup Video Processing Subsystem
  Stream.VmId           = resId;
  Stream.Timing.HActive = Width;
  Stream.Timing.VActive = Height;
  Stream.ColorFormatId  = cfmt;
  Stream.ColorDepth     = pVprocss->Config.ColorDepth;
  Stream.PixPerClk      = pVprocss->Config.PixPerClock;
  Stream.FrameRate      = XVIDC_FR_60HZ;
  Stream.IsInterlaced   = IsInterlaced;

  if(Direction == XSYS_VPSS_STREAM_IN)
  {
    XVprocSs_SetVidStreamIn(pVprocss, &Stream);
  }
  else
  {
    XVprocSs_SetVidStreamOut(pVprocss, &Stream);
  }
}


/*****************************************************************************/
/**
*
* This function reports all the IP's included in the system design.
* It calls each subsystem API to report its child nodes
*
* @param	pPeriph is a pointer to the peripherals instance
* @param	pVprocss is a pointer to the video proc subsystem instance
*
* @return   None
*
* @note		None.
*
******************************************************************************/
void XSys_ReportSystemInfo(XPeriph  *pPeriph, XVprocSs *pVprocss)
{
  Xil_AssertVoid(pPeriph  != NULL);
  Xil_AssertVoid(pVprocss != NULL);

  xil_printf("\r\n\r\r****Reporting System Design Info****\r\n");

  //Report Peripherals found at System level
  XPeriph_ReportDeviceInfo(pPeriph);

  //Report cores in Video Processing subsystem
  XVprocSs_ReportSubsystemCoreInfo(pVprocss);
}