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Commit | Line | Data |
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72d277a7 GH |
1 | /* |
2 | * QEMU EDID test tool. | |
3 | * | |
4 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
5 | * See the COPYING file in the top-level directory. | |
6 | */ | |
7 | #include "qemu/osdep.h" | |
72d277a7 GH |
8 | #include "qemu/bswap.h" |
9 | #include "qemu/cutils.h" | |
10 | #include "hw/display/edid.h" | |
11 | ||
12 | static qemu_edid_info info; | |
13 | ||
14 | static void usage(FILE *out) | |
15 | { | |
16 | fprintf(out, | |
17 | "\n" | |
18 | "This is a test tool for the qemu edid generator.\n" | |
19 | "\n" | |
20 | "Typically you'll pipe the output into edid-decode\n" | |
21 | "to check if the generator works correctly.\n" | |
22 | "\n" | |
23 | "usage: qemu-edid <options>\n" | |
24 | "options:\n" | |
25 | " -h print this text\n" | |
26 | " -o <file> set output file (stdout by default)\n" | |
27 | " -v <vendor> set monitor vendor (three letters)\n" | |
28 | " -n <name> set monitor name\n" | |
29 | " -s <serial> set monitor serial\n" | |
30 | " -d <dpi> set display resolution\n" | |
31 | " -x <prefx> set preferred width\n" | |
32 | " -y <prefy> set preferred height\n" | |
33 | " -X <maxx> set maximum width\n" | |
34 | " -Y <maxy> set maximum height\n" | |
35 | "\n"); | |
36 | } | |
37 | ||
38 | int main(int argc, char *argv[]) | |
39 | { | |
40 | FILE *outfile = NULL; | |
41 | uint8_t blob[256]; | |
42 | int rc; | |
43 | ||
44 | for (;;) { | |
45 | rc = getopt(argc, argv, "ho:x:y:X:Y:d:v:n:s:"); | |
46 | if (rc == -1) { | |
47 | break; | |
48 | } | |
49 | switch (rc) { | |
50 | case 'o': | |
51 | if (outfile) { | |
52 | fprintf(stderr, "outfile specified twice\n"); | |
53 | exit(1); | |
54 | } | |
55 | outfile = fopen(optarg, "w"); | |
56 | if (outfile == NULL) { | |
57 | fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); | |
58 | exit(1); | |
59 | } | |
60 | break; | |
61 | case 'x': | |
62 | if (qemu_strtoui(optarg, NULL, 10, &info.prefx) < 0) { | |
63 | fprintf(stderr, "not a number: %s\n", optarg); | |
64 | exit(1); | |
65 | } | |
66 | break; | |
67 | case 'y': | |
68 | if (qemu_strtoui(optarg, NULL, 10, &info.prefy) < 0) { | |
69 | fprintf(stderr, "not a number: %s\n", optarg); | |
70 | exit(1); | |
71 | } | |
72 | break; | |
73 | case 'X': | |
74 | if (qemu_strtoui(optarg, NULL, 10, &info.maxx) < 0) { | |
75 | fprintf(stderr, "not a number: %s\n", optarg); | |
76 | exit(1); | |
77 | } | |
78 | break; | |
79 | case 'Y': | |
80 | if (qemu_strtoui(optarg, NULL, 10, &info.maxy) < 0) { | |
81 | fprintf(stderr, "not a number: %s\n", optarg); | |
82 | exit(1); | |
83 | } | |
84 | break; | |
85 | case 'd': | |
86 | if (qemu_strtoui(optarg, NULL, 10, &info.dpi) < 0) { | |
87 | fprintf(stderr, "not a number: %s\n", optarg); | |
88 | exit(1); | |
89 | } | |
90 | break; | |
91 | case 'v': | |
92 | info.vendor = optarg; | |
93 | break; | |
94 | case 'n': | |
95 | info.name = optarg; | |
96 | break; | |
97 | case 's': | |
98 | info.serial = optarg; | |
99 | break; | |
100 | case 'h': | |
101 | usage(stdout); | |
102 | exit(0); | |
103 | default: | |
104 | usage(stderr); | |
105 | exit(1); | |
106 | } | |
107 | } | |
108 | ||
109 | if (outfile == NULL) { | |
110 | outfile = stdout; | |
111 | } | |
112 | ||
113 | memset(blob, 0, sizeof(blob)); | |
114 | qemu_edid_generate(blob, sizeof(blob), &info); | |
115 | fwrite(blob, sizeof(blob), 1, outfile); | |
116 | fflush(outfile); | |
117 | ||
118 | exit(0); | |
119 | } |