1 /*
2  * Copyright © 2019 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  *
23  * Authors: Simon Ser <simon.ser@intel.com>
24  */
25 
26 #ifndef IGT_ELD_H
27 #define IGT_ELD_H
28 
29 #include "config.h"
30 
31 #include <stdbool.h>
32 
33 #include "igt_edid.h"
34 
35 #define ELD_SADS_CAP 4
36 
37 /** eld_sad: Short Audio Descriptor */
38 struct eld_sad {
39 	enum cea_sad_format coding_type;
40 	int channels;
41 	unsigned int rates; /* enum cea_sad_sampling_rate */
42 	unsigned int bits; /* enum cea_sad_pcm_sample_size */
43 };
44 
45 struct eld_entry {
46 	bool valid;
47 	char monitor_name[16];
48 	size_t sads_len;
49 	struct eld_sad sads[ELD_SADS_CAP];
50 };
51 
52 bool eld_get_igt(struct eld_entry *eld);
53 bool eld_has_igt(void);
54 
55 #endif
56