90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <android-base/logging.h>
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#include <android-base/unique_fd.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <cstdint>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include "Common.h"
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#include "DrmMode.h"
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#include "DrmProperty.h"
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namespace aidl::android::hardware::graphics::composer3::impl {
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// A "cable" to the display (HDMI, DisplayPort, etc).
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class DrmConnector {
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public:
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static std::unique_ptr<DrmConnector> create(::android::base::borrowed_fd drmFd,
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uint32_t connectorId);
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~DrmConnector(){};
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uint32_t getId() const { return mId; }
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uint32_t getWidth() const;
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uint32_t getHeight() const;
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int32_t getDpiX() const;
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int32_t getDpiY() const;
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float getRefreshRate() const;
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uint32_t getRefreshRateUint() const { return (uint32_t)(getRefreshRate() + 0.5f); }
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bool isConnected() const { return mStatus == DRM_MODE_CONNECTED; }
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std::optional<std::vector<uint8_t>> getEdid() const { return mEdid; }
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const DrmProperty& getCrtcProperty() const { return mCrtc; }
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const DrmMode* getDefaultMode() const { return mModes[0].get(); }
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bool update(::android::base::borrowed_fd drmFd);
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private:
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DrmConnector(uint32_t id) : mId(id) {}
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bool loadEdid(::android::base::borrowed_fd drmFd);
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const uint32_t mId;
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drmModeConnection mStatus = DRM_MODE_UNKNOWNCONNECTION;
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uint32_t mWidthMillimeters = -1;
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uint32_t mHeightMillimeters = -1;
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std::vector<std::unique_ptr<DrmMode>> mModes;
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DrmProperty mCrtc;
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DrmProperty mEdidProp;
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std::optional<std::vector<uint8_t>> mEdid;
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static const auto& GetPropertiesMap() {
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static const auto* sMap = []() {
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return new DrmPropertyMemberMap<DrmConnector>{
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{"CRTC_ID", &DrmConnector::mCrtc},
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{"EDID", &DrmConnector::mEdidProp},
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};
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}();
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return *sMap;
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}
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};
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} // namespace aidl::android::hardware::graphics::composer3::impl
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