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"Das U-Boot" Source Tree
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 <command.h>
10#include <dm.h>
11#include <video.h>
12#include <video_console.h>
13
14static 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
26static 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}
50static 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
81U_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
86U_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));