xavbuf_clk.c File Reference

Overview

This file contains PLL configuring functions.

These Functions calculates and configures the PLL depending on desired 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
2.6   rv  05/02/23 Added PLL macros

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...

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.