#include <stdio.h> #include <stdlib.h> #include <string.h> #include <math.h> #include "vbe.h" #include "vesamode.h" #ident "$Id$" #define SQR(x) ((x) * (x)) int main(int argc, char **argv) { int i, j; u_int16_t *mode_list; unsigned char hmin, hmax, vmin, vmax; struct vbe_info *vbe_info; struct vbe_edid1_info *edid; struct vbe_modeline *modelines; if ((vbe_info = vbe_get_vbe_info()) == NULL) return 1; printf("%dKB of video ram\n", vbe_info->memory_size * 64); /* List supported standard modes. */ for (mode_list = vbe_info->mode_list.list; *mode_list != 0xffff; mode_list++) for (i = 0; known_vesa_modes[i].x; i++) if (known_vesa_modes[i].number == *mode_list) printf("%d %d %d\n", known_vesa_modes[i].colors, known_vesa_modes[i].x, known_vesa_modes[i].y ); printf("\n"); if ((edid = vbe_get_edid_info()) == NULL) 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.char1 + 'A' - 1; manufacturer[1] = edid->manufacturer_name.char2 + 'A' - 1; manufacturer[2] = edid->manufacturer_name.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; }