1/* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include <common/all-versions/IncludeGuard.h> 18 19#include <memory> 20 21#include <hardware/audio.h> 22#include <media/AudioParameter.h> 23 24#include <hidl/Status.h> 25 26#include <hidl/MQDescriptor.h> 27 28#include <VersionUtils.h> 29 30namespace android { 31namespace hardware { 32namespace audio { 33namespace AUDIO_HAL_VERSION { 34namespace implementation { 35 36using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioConfig; 37using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioHwSync; 38using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioInputFlag; 39using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioOutputFlag; 40using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPatchHandle; 41using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPort; 42using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPortConfig; 43using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource; 44using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioInputFlagBitfield; 45using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation:: 46 AudioOutputFlagBitfield; 47using ::android::hardware::audio::AUDIO_HAL_VERSION::DeviceAddress; 48using ::android::hardware::audio::AUDIO_HAL_VERSION::IDevice; 49using ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamIn; 50using ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamOut; 51using ::android::hardware::audio::AUDIO_HAL_VERSION::ParameterValue; 52using ::android::hardware::audio::AUDIO_HAL_VERSION::Result; 53using ::android::hardware::Return; 54using ::android::hardware::Void; 55using ::android::hardware::hidl_vec; 56using ::android::hardware::hidl_string; 57using ::android::sp; 58 59#ifdef AUDIO_HAL_VERSION_4_0 60using ::android::hardware::audio::AUDIO_HAL_VERSION::SourceMetadata; 61using ::android::hardware::audio::AUDIO_HAL_VERSION::SinkMetadata; 62#endif 63 64struct Device : public IDevice, public ParametersUtil { 65 explicit Device(audio_hw_device_t* device); 66 67 // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IDevice follow. 68 Return<Result> initCheck() override; 69 Return<Result> setMasterVolume(float volume) override; 70 Return<void> getMasterVolume(getMasterVolume_cb _hidl_cb) override; 71 Return<Result> setMicMute(bool mute) override; 72 Return<void> getMicMute(getMicMute_cb _hidl_cb) override; 73 Return<Result> setMasterMute(bool mute) override; 74 Return<void> getMasterMute(getMasterMute_cb _hidl_cb) override; 75 Return<void> getInputBufferSize(const AudioConfig& config, 76 getInputBufferSize_cb _hidl_cb) override; 77 78 // V2 openInputStream is called by V4 input stream thus present in both versions 79 Return<void> openInputStream(int32_t ioHandle, const DeviceAddress& device, 80 const AudioConfig& config, AudioInputFlagBitfield flags, 81 AudioSource source, openInputStream_cb _hidl_cb); 82#ifdef AUDIO_HAL_VERSION_2_0 83 Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device, 84 const AudioConfig& config, AudioOutputFlagBitfield flags, 85 openOutputStream_cb _hidl_cb) override; 86#elif defined(AUDIO_HAL_VERSION_4_0) 87 Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device, 88 const AudioConfig& config, AudioOutputFlagBitfield flags, 89 const SourceMetadata& sourceMetadata, 90 openOutputStream_cb _hidl_cb) override; 91 Return<void> openInputStream(int32_t ioHandle, const DeviceAddress& device, 92 const AudioConfig& config, AudioInputFlagBitfield flags, 93 const SinkMetadata& sinkMetadata, 94 openInputStream_cb _hidl_cb) override; 95#endif 96 97 Return<bool> supportsAudioPatches() override; 98 Return<void> createAudioPatch(const hidl_vec<AudioPortConfig>& sources, 99 const hidl_vec<AudioPortConfig>& sinks, 100 createAudioPatch_cb _hidl_cb) override; 101 Return<Result> releaseAudioPatch(int32_t patch) override; 102 Return<void> getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) override; 103 Return<Result> setAudioPortConfig(const AudioPortConfig& config) override; 104 105 Return<Result> setScreenState(bool turnedOn) override; 106 107#ifdef AUDIO_HAL_VERSION_2_0 108 Return<AudioHwSync> getHwAvSync() override; 109 Return<void> getParameters(const hidl_vec<hidl_string>& keys, 110 getParameters_cb _hidl_cb) override; 111 Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override; 112 Return<void> debugDump(const hidl_handle& fd) override; 113#elif defined(AUDIO_HAL_VERSION_4_0) 114 Return<void> getHwAvSync(getHwAvSync_cb _hidl_cb) override; 115 Return<void> getParameters(const hidl_vec<ParameterValue>& context, 116 const hidl_vec<hidl_string>& keys, 117 getParameters_cb _hidl_cb) override; 118 Return<Result> setParameters(const hidl_vec<ParameterValue>& context, 119 const hidl_vec<ParameterValue>& parameters) override; 120 Return<void> getMicrophones(getMicrophones_cb _hidl_cb) override; 121 Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override; 122#endif 123 124 Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override; 125 126 // Utility methods for extending interfaces. 127 Result analyzeStatus(const char* funcName, int status); 128 void closeInputStream(audio_stream_in_t* stream); 129 void closeOutputStream(audio_stream_out_t* stream); 130 audio_hw_device_t* device() const { return mDevice; } 131 132 private: 133 audio_hw_device_t* mDevice; 134 135 virtual ~Device(); 136 137 // Methods from ParametersUtil. 138 char* halGetParameters(const char* keys) override; 139 int halSetParameters(const char* keysAndValues) override; 140 141 uint32_t version() const { return mDevice->common.version; } 142}; 143 144} // namespace implementation 145} // namespace AUDIO_HAL_VERSION 146} // namespace audio 147} // namespace hardware 148} // namespace android 149