| /* |
| * 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 <string> |
| #include <unordered_map> |
| |
| #include "Common.h" |
| #include "DrmMode.h" |
| #include "DrmProperty.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; |
| |
| int32_t getDpiX() const; |
| int32_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) {} |
| |
| bool loadEdid(::android::base::borrowed_fd drmFd); |
| |
| const uint32_t mId; |
| |
| drmModeConnection mStatus = DRM_MODE_UNKNOWNCONNECTION; |
| uint32_t mWidthMillimeters = -1; |
| uint32_t mHeightMillimeters = -1; |
| 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 |