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Diffstat (limited to 'src/include/edid.h')
| -rw-r--r-- | src/include/edid.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/include/edid.h b/src/include/edid.h new file mode 100644 index 0000000000..6d76bb7efb --- /dev/null +++ b/src/include/edid.h @@ -0,0 +1,66 @@ +/* + * 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 */ |