xref: /openbmc/u-boot/board/gdsys/common/osd_cmd.c (revision da4cfa6b)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2017
4  * Mario Six,  Guntermann & Drunck GmbH, mario.six@gdsys.cc
5  *
6  * based on the gdsys osd driver, which is
7  *
8  * (C) Copyright 2010
9  * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
10  */
11 
12 #include <common.h>
13 #include <dm.h>
14 #include <hexdump.h>
15 #include <video_osd.h>
16 #include <malloc.h>
17 
18 static int do_osd_write(cmd_tbl_t *cmdtp, int flag, int argc,
19 			char * const argv[])
20 {
21 	struct udevice *dev;
22 	uint x, y;
23 	uint count;
24 	char *hexstr;
25 	u8 *buffer;
26 	size_t buflen;
27 	int res;
28 
29 	if (argc < 4 || (strlen(argv[3])) % 2)
30 		return CMD_RET_USAGE;
31 
32 	x = simple_strtoul(argv[1], NULL, 16);
33 	y = simple_strtoul(argv[2], NULL, 16);
34 	hexstr = argv[3];
35 	count = (argc > 4) ? simple_strtoul(argv[4], NULL, 16) : 1;
36 
37 	buflen = strlen(hexstr) / 2;
38 
39 	buffer = malloc(buflen);
40 	if (!buffer) {
41 		puts("Memory allocation failure\n");
42 		return CMD_RET_FAILURE;
43 	}
44 
45 	res = hex2bin(buffer, hexstr, buflen);
46 	if (res) {
47 		free(buffer);
48 		puts("Hexadecimal input contained invalid characters\n");
49 		return CMD_RET_FAILURE;
50 	}
51 
52 	for (uclass_first_device(UCLASS_VIDEO_OSD, &dev);
53 	     dev;
54 	     uclass_next_device(&dev)) {
55 		int res;
56 
57 		res = video_osd_set_mem(dev, x, y, buffer, buflen, count);
58 		if (res) {
59 			free(buffer);
60 			printf("Could not write to video mem on osd %s\n",
61 			       dev->name);
62 			return CMD_RET_FAILURE;
63 		}
64 	}
65 
66 	free(buffer);
67 
68 	return CMD_RET_SUCCESS;
69 }
70 
71 static int do_osd_print(cmd_tbl_t *cmdtp, int flag, int argc,
72 			char * const argv[])
73 {
74 	struct udevice *dev;
75 	uint x, y;
76 	u8 color;
77 	char *text;
78 
79 	if (argc < 5)
80 		return CMD_RET_USAGE;
81 
82 	x = simple_strtoul(argv[1], NULL, 16);
83 	y = simple_strtoul(argv[2], NULL, 16);
84 	color = simple_strtoul(argv[3], NULL, 16);
85 	text = argv[4];
86 
87 	for (uclass_first_device(UCLASS_VIDEO_OSD, &dev);
88 	     dev;
89 	     uclass_next_device(&dev)) {
90 		int res;
91 
92 		res = video_osd_print(dev, x, y, color, text);
93 		if (res) {
94 			printf("Could not print string to osd %s\n", dev->name);
95 			return CMD_RET_FAILURE;
96 		}
97 	}
98 
99 	return CMD_RET_SUCCESS;
100 }
101 
102 static int do_osd_size(cmd_tbl_t *cmdtp, int flag, int argc,
103 		       char * const argv[])
104 {
105 	struct udevice *dev;
106 	uint x, y;
107 
108 	if (argc < 3)
109 		return CMD_RET_USAGE;
110 
111 	x = simple_strtoul(argv[1], NULL, 16);
112 	y = simple_strtoul(argv[2], NULL, 16);
113 
114 	for (uclass_first_device(UCLASS_VIDEO_OSD, &dev);
115 	     dev;
116 	     uclass_next_device(&dev)) {
117 		int res;
118 
119 		res = video_osd_set_size(dev, x, y);
120 
121 		if (res) {
122 			printf("Could not set size on osd %s\n", dev->name);
123 			return CMD_RET_FAILURE;
124 		}
125 	}
126 
127 	return CMD_RET_SUCCESS;
128 }
129 
130 U_BOOT_CMD(
131 	osdw, 5, 0, do_osd_write,
132 	"write 16-bit hex encoded buffer to osd memory",
133 	"osdw [pos_x] [pos_y] [buffer] [count] - write 8-bit hex encoded buffer to osd memory\n"
134 );
135 
136 U_BOOT_CMD(
137 	osdp, 5, 0, do_osd_print,
138 	"write ASCII buffer to osd memory",
139 	"osdp [pos_x] [pos_y] [color] [text] - write ASCII buffer to osd memory\n"
140 );
141 
142 U_BOOT_CMD(
143 	osdsize, 3, 0, do_osd_size,
144 	"set OSD XY size in characters",
145 	"osdsize [size_x] [size_y] - set OSD XY size in characters\n"
146 );
147