| /* |
| * 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 "DrmBuffer.h" |
| #include "DrmConnector.h" |
| #include "DrmCrtc.h" |
| #include "DrmPlane.h" |
| |
| namespace aidl::android::hardware::graphics::composer3::impl { |
| |
| enum class DrmHotplugChange { |
| kNoChange, |
| kConnected, |
| kDisconnected, |
| }; |
| |
| class DrmDisplay { |
| public: |
| static std::unique_ptr<DrmDisplay> create(uint32_t id, std::unique_ptr<DrmConnector> connector, |
| std::unique_ptr<DrmCrtc> crtc, |
| std::unique_ptr<DrmPlane> plane, |
| ::android::base::borrowed_fd drmFd); |
| |
| uint32_t getId() const { return mId; } |
| |
| uint32_t getWidth() const { return mConnector->getWidth(); } |
| uint32_t getHeight() const { return mConnector->getHeight(); } |
| |
| uint32_t getDpiX() const { return mConnector->getDpiX(); } |
| uint32_t getDpiY() const { return mConnector->getDpiY(); } |
| |
| uint32_t getRefreshRateUint() const { return mConnector->getRefreshRateUint(); } |
| |
| bool isConnected() const { return mConnector->isConnected(); } |
| |
| std::optional<std::vector<uint8_t>> getEdid() const { return mConnector->getEdid(); } |
| |
| std::tuple<HWC3::Error, ::android::base::unique_fd> flush( |
| ::android::base::borrowed_fd drmFd, ::android::base::borrowed_fd inWaitSyncFd, |
| const std::shared_ptr<DrmBuffer>& buffer); |
| |
| DrmHotplugChange checkAndHandleHotplug(::android::base::borrowed_fd drmFd); |
| |
| private: |
| DrmDisplay(uint32_t id, std::unique_ptr<DrmConnector> connector, std::unique_ptr<DrmCrtc> crtc, |
| std::unique_ptr<DrmPlane> plane) |
| : mId(id), |
| mConnector(std::move(connector)), |
| mCrtc(std::move(crtc)), |
| mPlane(std::move(plane)) {} |
| |
| bool onConnect(::android::base::borrowed_fd drmFd); |
| |
| bool onDisconnect(::android::base::borrowed_fd drmFd); |
| |
| const uint32_t mId; |
| std::unique_ptr<DrmConnector> mConnector; |
| std::unique_ptr<DrmCrtc> mCrtc; |
| std::unique_ptr<DrmPlane> mPlane; |
| |
| // The last presented buffer / DRM framebuffer is cached until |
| // the next present to avoid toggling the display on and off. |
| std::shared_ptr<DrmBuffer> mPreviousBuffer; |
| }; |
| |
| } // namespace aidl::android::hardware::graphics::composer3::impl |