cmd/font.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * video commands
   4  *
   5  * Copyright 2022 Google LLC
   6  * Written by Simon Glass <[email protected]>
   7  */
   8
   9 #include <command.h>
  10 #include <dm.h>
  11 #include <video.h>
  12 #include <video_console.h>
  13
  14 static int do_font_list(struct cmd_tbl *cmdtp, int flag, int argc,
  15                         char *const argv[])
  16 {
  17         struct udevice *dev;
  18
  19         if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev))
  20                 return CMD_RET_FAILURE;
  21         vidconsole_list_fonts(dev);
  22
  23         return 0;
  24 }
  25
  26 static int do_font_select(struct cmd_tbl *cmdtp, int flag, int argc,
  27                           char *const argv[])
  28 {
  29         struct udevice *dev;
  30         const char *name;
  31         uint size = 0;
  32         int ret;
  33
  34         if (argc < 2)
  35                 return CMD_RET_USAGE;
  36
  37         if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev))
  38                 return CMD_RET_FAILURE;
  39         name = argv[1];
  40         if (argc == 3)
  41                 size = dectoul(argv[2], NULL);
  42         ret = vidconsole_select_font(dev, name, size);
  43         if (ret) {
  44                 printf("Failed (error %d)\n", ret);
  45                 return CMD_RET_FAILURE;
  46         }
  47
  48         return 0;
  49 }
  50 static int do_font_size(struct cmd_tbl *cmdtp, int flag, int argc,
  51                         char *const argv[])
  52 {
  53         const char *font_name;
  54         struct udevice *dev;
  55         uint size;
  56         int ret;
  57
  58         if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev))
  59                 return CMD_RET_FAILURE;
  60         ret = vidconsole_get_font_size(dev, &font_name, &size);
  61         if (ret) {
  62                 printf("Failed (error %d)\n", ret);
  63                 return CMD_RET_FAILURE;
  64         }
  65
  66         if (argc < 2) {
  67                 printf("%d\n", size);
  68         } else {
  69                 size = dectoul(argv[1], NULL);
  70
  71                 ret = vidconsole_select_font(dev, font_name, size);
  72                 if (ret) {
  73                         printf("Failed (error %d)\n", ret);
  74                         return CMD_RET_FAILURE;
  75                 }
  76         }
  77
  78         return 0;
  79 }
  80
  81 U_BOOT_LONGHELP(font,
  82         "list       - list available fonts\n"
  83         "font select <name> [<size>] - select font to use\n"
  84         "font size <size> - select font size to");
  85
  86 U_BOOT_CMD_WITH_SUBCMDS(font, "Fonts", font_help_text,
  87         U_BOOT_SUBCMD_MKENT(list, 1, 1, do_font_list),
  88         U_BOOT_SUBCMD_MKENT(select, 3, 1, do_font_select),
  89         U_BOOT_SUBCMD_MKENT(size, 2, 1, do_font_size));