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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <array>
#include <cstdint>
#include <optional>
#include <string_view>
#include <vector>
namespace android {
using DisplayId = uint64_t;
using DisplayIdentificationData = std::vector<uint8_t>;
// NUL-terminated plug and play ID.
using PnpId = std::array<char, 4>;
struct Edid {
uint16_t manufacturerId;
PnpId pnpId;
std::string_view displayName;
};
bool isEdid(const DisplayIdentificationData&);
std::optional<Edid> parseEdid(const DisplayIdentificationData&);
std::optional<PnpId> getPnpId(uint16_t manufacturerId);
std::optional<DisplayId> generateDisplayId(uint8_t port, const DisplayIdentificationData&);
} // namespace android