/* * This file is part of the coreboot project. * * Copyright 2013 Google Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef EDID_H #define EDID_H /* structure for communicating EDID information from a raw EDID block to * higher level functions. * The size of the data types is not critical, so we leave them as * unsigned int. We can move more into into this struct as needed. */ struct edid { char manuf_name[4]; unsigned int model; unsigned int serial; unsigned int year; unsigned int week; unsigned int version[2]; unsigned int nonconformant; unsigned int type; unsigned int bpp; unsigned int voltage; unsigned int sync; unsigned int xsize_cm; unsigned int ysize_cm; /* used to compute timing for graphics chips. */ unsigned char phsync; unsigned char pvsync; unsigned int ha; unsigned int hbl; unsigned int hso; unsigned int hspw; unsigned int hborder; unsigned int va; unsigned int vbl; unsigned int vso; unsigned int vspw; unsigned int vborder; /* it is unlikely we need these things. */ /* if one of these is non-zero, use that one. */ unsigned int aspect_landscape; unsigned int aspect_portrait; const char *range_class; const char *syncmethod; const char *stereo; }; int decode_edid(unsigned char *edid, int size, struct edid *out); #endif /* EDID_H */