include/display_options.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright (c) 2015 Google, Inc
   4  *
   5  * (C) Copyright 2000-2002
   6  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   7  */
   8
   9 #ifndef __DISPLAY_OPTIONS_H
  10 #define __DISPLAY_OPTIONS_H
  11
  12 /**
  13  * print_size() - Print a size with a suffix
  14  *
  15  * Print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB",
  16  * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string
  17  * (like "\n")
  18  *
  19  * @size:       Size to print
  20  * @suffix      String to print after the size
  21  */
  22 void print_size(uint64_t size, const char *suffix);
  23
  24 /**
  25  * print_freq() - Print a frequency with a suffix
  26  *
  27  * Print frequencies as "x.xx GHz", "xxx KHz", etc as needed; allow for
  28  * optional trailing string (like "\n")
  29  *
  30  * @freq:       Frequency to print in Hz
  31  * @suffix      String to print after the frequency
  32  */
  33 void print_freq(uint64_t freq, const char *suffix);
  34
  35 /**
  36  * print_buffer() - Print data buffer in hex and ascii form
  37  *
  38  * Data reads are buffered so that each memory address is only read once.
  39  * This is useful when displaying the contents of volatile registers.
  40  *
  41  * @addr:       Starting address to display at start of line
  42  * @data:       pointer to data buffer
  43  * @width:      data value width.  May be 1, 2, or 4.
  44  * @count:      number of values to display
  45  * @linelen:    Number of values to print per line; specify 0 for default length
  46  */
  47 int print_buffer(ulong addr, const void *data, uint width, uint count,
  48                  uint linelen);
  49
  50 /**
  51  * display_options() - display the version string / build tag
  52  *
  53  * This displays the U-Boot version string. If a build tag is available this
  54  * is displayed also.
  55  */
  56 int display_options(void);
  57
  58 /* Suggested length of the buffer to pass to display_options_get_banner() */
  59 #define DISPLAY_OPTIONS_BANNER_LENGTH   200
  60
  61 /**
  62  * display_options_get_banner() - Get the U-Boot banner as a string
  63  *
  64  * This returns the U-Boot banner string
  65  *
  66  * @newlines: true to include two newlines at the start
  67  * @buf: place to put string
  68  * @size: Size of buf (string is truncated to fit)
  69  * @return buf
  70  */
  71 char *display_options_get_banner(bool newlines, char *buf, int size);
  72
  73 /* This function is used for testing only */
  74 char *display_options_get_banner_priv(bool newlines, const char *build_tag,
  75                                       char *buf, int size);
  76
  77 #endif