/*
* Copyright 2022 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 <android-base/logging.h>
#include <android-base/unique_fd.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <cstdint>
#include <memory>
#include <optional>
#include <string>
#include <unordered_map>
#include "Common.h"
#include "DrmMode.h"
#include "DrmProperty.h"
#include "EdidInfo.h"
namespace aidl::android::hardware::graphics::composer3::impl {
// A "cable" to the display (HDMI, DisplayPort, etc).
class DrmConnector {
public:
static std::unique_ptr<DrmConnector> create(::android::base::borrowed_fd drmFd,
uint32_t connectorId);
~DrmConnector(){};
uint32_t getId()
const {
return mId; }
uint32_t getWidth()
const;
uint32_t getHeight()
const;
uint32_t getDpiX()
const;
uint32_t getDpiY()
const;
float getRefreshRate()
const;
uint32_t getRefreshRateUint()
const {
return (uint32_t)(getRefreshRate() +
0.
5f); }
bool isConnected()
const {
return mStatus == DRM_MODE_CONNECTED; }
std::optional<std::vector<uint8_t>> getEdid()
const {
return mEdid; }
const DrmProperty& getCrtcProperty()
const {
return mCrtc; }
const DrmMode* getDefaultMode()
const {
return mModes[
0].get(); }
bool update(::android::base::borrowed_fd drmFd);
private:
DrmConnector(uint32_t id) : mId(id) {}
std::optional<EdidInfo> loadEdid(::android::base::borrowed_fd drmFd);
const uint32_t mId;
drmModeConnection mStatus = DRM_MODE_UNKNOWNCONNECTION;
std::optional<uint32_t> mWidthMillimeters;
std::optional<uint32_t> mHeightMillimeters;
std::vector<std::unique_ptr<DrmMode>> mModes;
DrmProperty mCrtc;
DrmProperty mEdidProp;
std::optional<std::vector<uint8_t>> mEdid;
static const auto& GetPropertiesMap() {
static const auto* sMap = []() {
return new DrmPropertyMemberMap<DrmConnector>{
{
"CRTC_ID", &DrmConnector::mCrtc},
{
"EDID", &DrmConnector::mEdidProp},
};
}();
return *sMap;
}
};
}
// namespace aidl::android::hardware::graphics::composer3::impl
