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serenity/Userland/Libraries/LibEDID/VIC.cpp
Idan Horowitz 4a15ed6164 LibEDID: Store EDID version instead of allocating on each getter call 
This also let's us use a KString instead of a string when we're in the
Kernel, which opens the path for OOM-failure propagation.
2022-02-16 22:21:37 +01:00

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/*
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibEDID/VIC.h>
namespace EDID {
// Video ID Code details as per CTA-861-G revised 2018 Table 3
static constexpr VIC::Details s_vic_details[] = {
{ 1, 640, 480, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 2, 720, 480, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 3, 720, 480, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 4, 1280, 720, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 5, 1920, 1080, 59940, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 6, 1440, 480, 59940, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 7, 1440, 480, 59940, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 8, 1440, 240, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 9, 1440, 240, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 10, 2880, 480, 59940, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 11, 2880, 480, 59940, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 12, 2880, 240, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 13, 2880, 240, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 14, 1440, 480, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 15, 1440, 480, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 16, 1920, 180, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 17, 720, 576, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 18, 720, 576, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 19, 1280, 720, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 20, 1920, 1080, 50000, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 21, 1440, 576, 50000, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 22, 1440, 576, 50000, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 23, 1440, 288, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 24, 1440, 288, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 25, 2880, 576, 50000, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 26, 2880, 576, 50000, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 27, 2880, 288, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 28, 2880, 288, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 29, 1440, 576, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 30, 1440, 576, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 31, 1920, 1080, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 32, 1920, 1080, 23980, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 33, 1920, 1080, 25000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 34, 1920, 1080, 29970, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 35, 2880, 480, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 36, 2880, 480, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 37, 2880, 576, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 38, 2880, 576, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 39, 1920, 1080, 50000, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 40, 1920, 1080, 100000, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 41, 1280, 720, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 42, 720, 576, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 43, 720, 576, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 44, 1440, 576, 100000, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 45, 1440, 576, 100000, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 46, 1920, 1080, 119880, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 47, 1280, 720, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 48, 720, 480, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 49, 720, 480, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 50, 1440, 480, 119880, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 51, 1440, 480, 119880, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 52, 720, 576, 200000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 53, 720, 576, 200000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 54, 1440, 576, 200000, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 55, 1440, 576, 200000, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 56, 720, 480, 239760, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 57, 720, 480, 239760, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 58, 1440, 480, 239760, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_4_3 },
{ 59, 1440, 480, 239760, VIC::Details::ScanType::Interlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 60, 1280, 720, 23980, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 61, 1280, 720, 25000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 62, 1280, 720, 29970, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 63, 1920, 1080, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 64, 1920, 1080, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 65, 1280, 720, 23980, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 66, 1280, 720, 25000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 67, 1280, 720, 29970, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 68, 1280, 720, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 69, 1280, 720, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 70, 1280, 720, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 71, 1280, 720, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 72, 1920, 1080, 23980, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 73, 1920, 1080, 25000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 74, 1920, 1080, 29970, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 75, 1920, 1080, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 76, 1920, 1080, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 77, 1920, 1080, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 78, 1920, 1080, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 79, 1680, 720, 23980, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 80, 1680, 720, 25000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 81, 1680, 720, 29970, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 82, 1680, 720, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 83, 1680, 720, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 84, 1680, 720, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 85, 1680, 720, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 86, 2560, 1080, 23980, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 87, 2560, 1080, 25000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 88, 2560, 1080, 29970, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 89, 2560, 1080, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 90, 2560, 1080, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 91, 2560, 1080, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 92, 2560, 1080, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 93, 3840, 2160, 23980, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 94, 3840, 2160, 25000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 95, 3840, 2160, 29970, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 96, 3840, 2160, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 97, 3840, 2160, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 98, 4096, 2160, 23980, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_256_135 },
{ 99, 4096, 2160, 25000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_256_135 },
{ 100, 4096, 2160, 29970, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_256_135 },
{ 101, 4096, 2160, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_256_135 },
{ 102, 4096, 2160, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_256_135 },
{ 103, 3840, 2160, 23980, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 104, 3840, 2160, 25000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 105, 3840, 2160, 29970, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 106, 3840, 2160, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 107, 3840, 2160, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 108, 1280, 720, 47950, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 109, 1280, 720, 47950, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 110, 1680, 720, 47950, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 111, 1920, 1080, 47950, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 112, 1920, 1080, 47950, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 113, 2560, 1080, 47950, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 114, 3840, 2160, 47950, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 115, 4096, 2160, 47950, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_256_135 },
{ 116, 3840, 2160, 47950, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 117, 3840, 2160, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 118, 3840, 2160, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 119, 3840, 2160, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 120, 3840, 2160, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 121, 5120, 2160, 23980, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 122, 5120, 2160, 25000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 123, 5120, 2160, 29970, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 124, 5120, 2160, 47950, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 125, 5120, 2160, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 126, 5120, 2160, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 127, 5120, 2160, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
// 128...192 forbidden range
{ 193, 5120, 2160, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 194, 7680, 4320, 23980, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 195, 7680, 4320, 25000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 196, 7680, 4320, 29970, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 197, 7680, 4320, 47950, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 198, 7680, 4320, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 199, 7680, 4320, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 200, 7680, 4320, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 201, 7680, 4320, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_16_9 },
{ 202, 7680, 4320, 23980, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 203, 7680, 4320, 25000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 204, 7680, 4320, 29970, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 205, 7680, 4320, 47950, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 206, 7680, 4320, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 207, 7680, 4320, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 208, 7680, 4320, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 209, 7680, 4320, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 210, 10240, 4320, 23980, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 211, 10240, 4320, 25000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 212, 10240, 4320, 29970, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 213, 10240, 4320, 47950, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 214, 10240, 4320, 50000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 215, 10240, 4320, 59940, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 216, 10240, 4320, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 217, 10240, 4320, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_64_27 },
{ 218, 4096, 2160, 100000, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_256_135 },
{ 219, 4096, 2160, 119880, VIC::Details::ScanType::NonInterlaced, VIC::Details::AspectRatio::AR_256_135 },
// 220...255 reserved
};
static constexpr size_t s_vic_details_count = sizeof(s_vic_details) / sizeof(s_vic_details[0]);
static constexpr u8 s_reserved_vic_id_start = 220;
static_assert(s_vic_details[s_vic_details_count - 1].vic_id == s_reserved_vic_id_start - 1);
FixedPoint<16, u32> VIC::Details::refresh_rate_hz() const
{
return FixedPoint<16, u32>(refresh_rate_millihz) / 1000;
}
auto VIC::find_details_by_vic_id(u8 vic_id) -> Details const*
{
if (vic_id == 0 || (vic_id >= 128 && vic_id <= 192) || vic_id >= s_reserved_vic_id_start)
return nullptr;
u8 table_index = vic_id - 1;
if (table_index < 128) {
// Before the forbidden block (128...192)
VERIFY(s_vic_details[table_index].vic_id == vic_id);
return &s_vic_details[table_index];
}
// After the forbidden block range (128...192)
table_index = table_index - 192 + 128 - 1;
VERIFY(s_vic_details[table_index].vic_id == vic_id);
return &s_vic_details[table_index];
}
}
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