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