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/*
* QEMU EDID test tool.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qemu/bswap.h"
#include "qemu/cutils.h"
#include "hw/display/edid.h"
static qemu_edid_info info = {
.prefx = 1280,
.prefy = 800,
};
static void usage(FILE *out)
{
fprintf(out,
"\n"
"This is a test tool for the qemu edid generator.\n"
"\n"
"Typically you'll pipe the output into edid-decode\n"
"to check if the generator works correctly.\n"
"\n"
"usage: qemu-edid <options>\n"
"options:\n"
" -h print this text\n"
" -o <file> set output file (stdout by default)\n"
" -v <vendor> set monitor vendor (three letters)\n"
" -n <name> set monitor name\n"
" -s <serial> set monitor serial\n"
" -d <dpi> set display resolution\n"
" -x <prefx> set preferred width\n"
" -y <prefy> set preferred height\n"
" -X <maxx> set maximum width\n"
" -Y <maxy> set maximum height\n"
"\n");
}
int main(int argc, char *argv[])
{
FILE *outfile = NULL;
uint8_t blob[512];
size_t size;
uint32_t dpi = 100;
int rc;
for (;;) {
rc = getopt(argc, argv, "ho:x:y:X:Y:d:v:n:s:");
if (rc == -1) {
break;
}
switch (rc) {
case 'o':
if (outfile) {
fprintf(stderr, "outfile specified twice\n");
exit(1);
}
outfile = fopen(optarg, "w");
if (outfile == NULL) {
fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
exit(1);
}
break;
case 'x':
if (qemu_strtoui(optarg, NULL, 10, &info.prefx) < 0) {
fprintf(stderr, "not a number: %s\n", optarg);
exit(1);
}
break;
case 'y':
if (qemu_strtoui(optarg, NULL, 10, &info.prefy) < 0) {
fprintf(stderr, "not a number: %s\n", optarg);
exit(1);
}
break;
case 'X':
if (qemu_strtoui(optarg, NULL, 10, &info.maxx) < 0) {
fprintf(stderr, "not a number: %s\n", optarg);
exit(1);
}
break;
case 'Y':
if (qemu_strtoui(optarg, NULL, 10, &info.maxy) < 0) {
fprintf(stderr, "not a number: %s\n", optarg);
exit(1);
}
break;
case 'd':
if (qemu_strtoui(optarg, NULL, 10, &dpi) < 0) {
fprintf(stderr, "not a number: %s\n", optarg);
exit(1);
}
if (dpi == 0) {
fprintf(stderr, "cannot be zero: %s\n", optarg);
exit(1);
}
break;
case 'v':
info.vendor = optarg;
break;
case 'n':
info.name = optarg;
break;
case 's':
info.serial = optarg;
break;
case 'h':
usage(stdout);
exit(0);
default:
usage(stderr);
exit(1);
}
}
if (outfile == NULL) {
outfile = stdout;
}
info.width_mm = qemu_edid_dpi_to_mm(dpi, info.prefx);
info.height_mm = qemu_edid_dpi_to_mm(dpi, info.prefy);
memset(blob, 0, sizeof(blob));
qemu_edid_generate(blob, sizeof(blob), &info);
size = qemu_edid_size(blob);
fwrite(blob, size, 1, outfile);
fflush(outfile);
exit(0);
}
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