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 
do_font_list(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])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 
do_font_select(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])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 }
do_font_size(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])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));
90