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/*
* sysobj - https://github.com/bp0/verbose-spork
* Copyright (C) 2018 Burt P. <pburt0@gmail.com>
*
* 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; either version 2
* of the License, or (at your option) any later version.
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef __UTIL_EDID_H__
#define __UTIL_EDID_H__
#include <stdint.h> /* for *int*_t types */
#define EDID_MAX_EXT_BLOCKS 254
/* just enough edid decoding */
struct edid {
int ver_major, ver_minor;
char ven[4];
int d_type[4];
char d_text[4][14];
/* point into d_text */
char *name;
char *serial;
char *ut1;
char *ut2;
int a_or_d; /* 0 = analog, 1 = digital */
int bpc;
uint16_t product;
uint32_t n_serial;
int week, year;
int horiz_cm, vert_cm;
float diag_cm, diag_in;
int size; /* bytes */
int checksum_ok; /* block 0 */
int ext_blocks, ext_blocks_ok, ext_blocks_fail;
uint8_t ext[EDID_MAX_EXT_BLOCKS][2]; /* block type, checksum_ok */
};
int edid_fill(struct edid *id_out, const void *edid_bytes, int edid_len);
int edid_fill_xrandr(struct edid *id_out, const char *xrandr_edid_dump);
int edid_hex_to_bin(void **edid_bytes, int *edid_len, const char *hex_string);
char *edid_bin_to_hex(const void *edid_bytes, int edid_len);
const char *edid_descriptor_type(int type);
char *edid_dump(struct edid *id);
#endif
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