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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2015 Google, Inc
*
* (C) Copyright 2000-2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*/
#ifndef __DISPLAY_OPTIONS_H
#define __DISPLAY_OPTIONS_H
/**
* print_size() - Print a size with a suffix
*
* Print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB",
* xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string
* (like "\n")
*
* @size: Size to print
* @suffix String to print after the size
*/
void print_size(uint64_t size, const char *suffix);
/**
* print_freq() - Print a frequency with a suffix
*
* Print frequencies as "x.xx GHz", "xxx kHz", etc as needed; allow for
* optional trailing string (like "\n")
*
* @freq: Frequency to print in Hz
* @suffix String to print after the frequency
*/
void print_freq(uint64_t freq, const char *suffix);
/**
* print_buffer() - Print data buffer in hex and ascii form
*
* Data reads are buffered so that each memory address is only read once.
* This is useful when displaying the contents of volatile registers.
*
* @addr: Starting address to display at start of line
* @data: pointer to data buffer
* @width: data value width. May be 1, 2, or 4.
* @count: number of values to display
* @linelen: Number of values to print per line; specify 0 for default length
*/
int print_buffer(ulong addr, const void *data, uint width, uint count,
uint linelen);
/*
* Maximum length of an output line is when width == 1
* 9 for address,
* a space, two hex digits and an ASCII character for each byte
* 2 spaces between the hex and ASCII
* \0 terminator
*/
#define HEXDUMP_MAX_BUF_LENGTH(bytes) (9 + (bytes) * 4 + 3)
/**
* hexdump_line() - Print out a single line of a hex dump
*
* @addr: Starting address to display at start of line
* @data: pointer to data buffer
* @width: data value width. May be 1, 2, or 4.
* @count: number of values to display
* @linelen: Number of values to print per line; specify 0 for default length
* @out: Output buffer to hold the dump
* @size: Size of output buffer in bytes
* Return: number of bytes processed, if OK, -ENOSPC if buffer too small
*
*/
int hexdump_line(ulong addr, const void *data, uint width, uint count,
uint linelen, char *out, int size);
/**
* display_options() - display the version string / build tag
*
* This displays the U-Boot version string. If a build tag is available this
* is displayed also.
*/
int display_options(void);
/* Suggested length of the buffer to pass to display_options_get_banner() */
#define DISPLAY_OPTIONS_BANNER_LENGTH 200
/**
* display_options_get_banner() - Get the U-Boot banner as a string
*
* This returns the U-Boot banner string
*
* @newlines: true to include two newlines at the start
* @buf: place to put string
* @size: Size of buf (string is truncated to fit)
* Return: buf
*/
char *display_options_get_banner(bool newlines, char *buf, int size);
/* This function is used for testing only */
char *display_options_get_banner_priv(bool newlines, const char *build_tag,
char *buf, int size);
#endif
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