| /* |
| * Copyright 2017 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. |
| */ |
| #ifndef EASEL_MANAGER_CLIENT_H |
| #define EASEL_MANAGER_CLIENT_H |
| |
| #include <future> |
| |
| #include <utils/Errors.h> |
| #include <utils/Mutex.h> |
| |
| #define FW_VER_SIZE 24 |
| |
| namespace android { |
| |
| class EaselManagerClientListener; |
| class HdrPlusClient; |
| class HdrPlusClientListener; |
| |
| class EaselManagerClient { |
| public: |
| static std::unique_ptr<EaselManagerClient> create(); |
| |
| EaselManagerClient() {}; |
| virtual ~EaselManagerClient() {}; |
| |
| /* |
| * Return if Easel is present on the device. |
| * |
| * If Easel is not present, all other calls to HdrPlusClient are invalid. |
| */ |
| virtual bool isEaselPresentOnDevice() const = 0; |
| |
| /* |
| * Open Easel manager client. |
| * |
| * This will power on Easel and initialize Easel manager client. |
| */ |
| virtual status_t open() = 0; |
| |
| /* |
| * Suspend Easel. |
| * |
| * Put Easel on suspend mode. |
| */ |
| virtual status_t suspend() = 0; |
| |
| /* |
| * Resume Easel. |
| * |
| * Resume Easel from suspend mode. |
| * |
| * listener will be invoked for Easel status. |
| */ |
| virtual status_t resume(EaselManagerClientListener *listener) = 0; |
| |
| /* |
| * Retrieve Easel firmware version. |
| * |
| * Firmware version string is added to image exif |
| */ |
| virtual status_t getFwVersion(char *fwVersion) = 0; |
| |
| /* |
| * Start MIPI with an output pixel lock rate for a camera. |
| * |
| * Can be called when Easel is powered on or resumed, for Easel to start sending sensor data |
| * to AP. |
| * |
| * cameraId is the camera ID to start MIPI for. |
| * outputPixelClkHz is the output pixel rate. |
| * enableCapture is whether to enable MIPI capture on Easel. |
| */ |
| virtual status_t startMipi(uint32_t cameraId, uint32_t outputPixelClkHz, |
| bool enableCapture) = 0; |
| |
| /* |
| * Stop MIPI for a camera. |
| * |
| * cameraId is the camera is ID to stop MIPI for. |
| */ |
| virtual status_t stopMipi(uint32_t cameraId) = 0; |
| |
| /* |
| * Open an HDR+ client asynchronously. |
| * |
| * Open an HDR+ client asynchronouly. When an HDR+ client is opened, |
| * HdrPlusClientListener::onOpened() will be invoked with the created HDR+ client. If opening |
| * an HDR+ client failed, HdrPlusClientListener::onOpenFailed() will be invoked with the error. |
| * If this method returns an error, HdrPlusClientListener::onOpenFailed() will not be invoked. |
| * |
| * listener is an HDR+ client listener. |
| * |
| * Returns: |
| * OK: if initiating opening an HDR+ client asynchronously was successful. |
| * HdrPlusClientListener::onOpened() or HdrPlusClientListener::onOpenFailed() |
| * will be invoked when opening an HDR+ client completed. |
| * ALREADY_EXISTS: if there is already a pending HDR+ client being opened. |
| */ |
| virtual status_t openHdrPlusClientAsync(HdrPlusClientListener *listener) = 0; |
| |
| /* |
| * Open an HDR+ client synchronously and block until it completes. |
| * |
| * listener is an HDR+ client listener. |
| * client is an output parameter for created HDR+ client. |
| * |
| * Returns: |
| * OK: on success. |
| * -EEXIST: if an HDR+ client is already opened. |
| * -ENODEV: if opening an HDR+ failed due to a serious error. |
| */ |
| virtual status_t openHdrPlusClient(HdrPlusClientListener *listener, |
| std::unique_ptr<HdrPlusClient> *client) = 0; |
| |
| /* |
| * Close an HDR+ client. |
| * |
| * client is the HDR+ client to be closed. |
| */ |
| virtual void closeHdrPlusClient(std::unique_ptr<HdrPlusClient> client) = 0; |
| |
| private: |
| // Disallow copy and assign. |
| EaselManagerClient(const EaselManagerClient&) = delete; |
| void operator=(const EaselManagerClient&) = delete; |
| }; |
| |
| |
| /* |
| * EaselManagerClientListener defines callbacks that will be invoked by EaselManagerClient. |
| */ |
| class EaselManagerClientListener { |
| public: |
| virtual ~EaselManagerClientListener() {}; |
| |
| // Invoked when Easel encountered a fatal error. Client should shut down Easel. |
| virtual void onEaselFatalError(std::string errMsg) = 0; |
| }; |
| |
| } // namespace android |
| |
| #endif // EASEL_MANAGER_CLIENT_H |