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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <sys/mman.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <stdarg.h>
#include "vbe.h"
#include "vesamode.h"
#ifdef HAVE_VBE
#include "int10/vbios.h"
#else
#define InitInt10(PCI_CONFIG) 0
#define FreeInt10() /**/
#endif
#ident "$Id$"
#define SQR(x) ((x) * (x))
void log_err(char *format, ...)
{
va_list args;
va_start(args, format);
vfprintf(stderr, format, args);
va_end(args);
}
int main(void)
{
int i, j;
unsigned char hmin, hmax, vmin, vmax;
struct vbe_info vbe_info_static;
struct vbe_info *vbe_info = &vbe_info_static;
struct vbe_edid1_info edid_static;
struct vbe_edid1_info *edid = &edid_static;
struct vbe_modeline *modelines;
int pci_config_type = 0;
/* Determine PCI configuration type */
pci_config_type = 1;
/* Initialize Int10 */
if (InitInt10(pci_config_type)) return 1;
/* Get VBE information */
if (vbe_get_vbe_info(vbe_info) == 0) {
FreeInt10();
return 1;
}
printf("%dKB of video ram\n", vbe_info->memory_size / 1024);
/* List supported standard modes */
#ifdef HAVE_VBE
for (j = 0; j < vbe_info->modes; j++)
for (i = 0; known_vesa_modes[i].x; i++)
if (known_vesa_modes[i].number == vbe_info->mode_list[j])
printf("%d %d %d\n",
known_vesa_modes[i].colors,
known_vesa_modes[i].x,
known_vesa_modes[i].y
);
printf("\n");
#endif
/* Get EDID information */
if (vbe_get_edid_info(edid) == 0) {
FreeInt10();
return 0;
}
FreeInt10();
if (edid->manufacturer_name.p == 0 || edid->product_code == 0) return 0;
if (edid->version == 255 && edid->revision == 255) return 0;
vbe_get_edid_ranges(edid, &hmin, &hmax, &vmin, &vmax);
modelines = vbe_get_edid_modelines(edid);
if (hmin > hmax || vmin > vmax) return 0;
printf(hmin ? "%d-%d kHz HorizSync\n" : "\n", hmin, hmax);
printf(vmin ? "%d-%d Hz VertRefresh\n" : "\n", vmin, vmax);
if (edid->max_size_horizontal != 127 && edid->max_size_vertical != 127) {
char manufacturer[4];
double size = sqrt(SQR(edid->max_size_horizontal) +
SQR(edid->max_size_vertical)) / 2.54;
manufacturer[0] = edid->manufacturer_name.u.char1 + 'A' - 1;
manufacturer[1] = edid->manufacturer_name.u.char2 + 'A' - 1;
manufacturer[2] = edid->manufacturer_name.u.char3 + 'A' - 1;
manufacturer[3] = '\0';
printf(size ? "%3.2f inches monitor (truly %3.2f') EISA ID=%s%04x\n" : "\n", size * 1.08, size, manufacturer, edid->product_code);
}
for(j=0; modelines && (modelines[j].refresh != 0); j++){
printf("# %dx%d, %1.1f%sHz",
modelines[j].width,
modelines[j].height,
modelines[j].refresh,
modelines[j].interlaced?"i":""
);
if(modelines[j].modeline) {
printf("; hfreq=%f, vfreq=%f\n%s\n",
modelines[j].hfreq,
modelines[j].vfreq,
modelines[j].modeline);
} else printf("\n");
}
return 0;
}
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