xavbuf_clk.h File Reference

Overview

This header file contains the identifiers and low-level driver functions (or macros) that can be used to configure PLL to generate required frequency.

Note

None.

MODIFICATION HISTORY:

Ver   Who  Date     Changes



1.0   mh  06/24/17 Initial release.
2.1   tu  12/29/17 LPD and FPD offsets adjusted

Data Structures
struct	XAVBuf_Pll
	This typedef enumerates various variables used to configure Pll. More...

Enumerations
enum	PLL
	This enum enumerates various PLL. More...

Functions
int	XAVBuf_SetPixelClock (u64 FreqHz)
	This function calls API to calculate and configure PLL with desired frequency for Video. More...
int	XAVBuf_SetAudioClock (u64 FreqHz)
	This function calls API to calculate and configure PLL with desired frequency for Audio. More...

Enumeration Type Documentation

enum PLL

This enum enumerates various PLL.

Function Documentation

int XAVBuf_SetAudioClock

(

u64

FreqHz

)

This function calls API to calculate and configure PLL with desired frequency for Audio.

Parameters

FreqHz

is the desired frequency in Hz.

Returns

XST_SUCCESS if PLL is configured without an error. XST_FAILURE otherwise.

Note

The Pll used is design specific.

References XAVBUF_AUDIO_REF_CTRL, XAVBUF_CLK_FPD_BASEADDR, XAVBuf_ReadReg, and XAVBUF_VPLL_SRC_SEL.

int XAVBuf_SetPixelClock

(

u64

FreqHz

)

This function calls API to calculate and configure PLL with desired frequency for Video.

Parameters

FreqHz

is the desired frequency in Hz.

Returns

XST_SUCCESS if PLL is configured without an error. XST_FAILURE otherwise.

Note

The Pll used is design specific.

References XAVBUF_CLK_FPD_BASEADDR, XAVBuf_ReadReg, XAVBUF_VIDEO_REF_CTRL, and XAVBUF_VPLL_SRC_SEL.