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 #ifndef ANDROID_HARDWARE_DEVICE_HAL_HIDL_H 18 #define ANDROID_HARDWARE_DEVICE_HAL_HIDL_H 19 20 #include PATH(android/hardware/audio/FILE_VERSION/IDevice.h) 21 #include PATH(android/hardware/audio/FILE_VERSION/IPrimaryDevice.h) 22 #include <media/audiohal/DeviceHalInterface.h> 23 #include <media/audiohal/EffectHalInterface.h> 24 #include <media/audiohal/StreamHalInterface.h> 25 26 #include "CoreConversionHelperHidl.h" 27 28 namespace android { 29 30 class DeviceHalHidl : public DeviceHalInterface, public CoreConversionHelperHidl 31 { 32 public: 33 status_t getAudioPorts(std::vector<media::audio::common::AudioPort> *ports) override; 34 35 status_t getAudioRoutes(std::vector<media::AudioRoute> *routes) override; 36 37 status_t getSupportedModes(std::vector<media::audio::common::AudioMode> *modes) override; 38 39 // Sets the value of 'devices' to a bitmask of 1 or more values of audio_devices_t. 40 status_t getSupportedDevices(uint32_t *devices) override; 41 42 // Check to see if the audio hardware interface has been initialized. 43 status_t initCheck() override; 44 45 // Set the audio volume of a voice call. Range is between 0.0 and 1.0. 46 status_t setVoiceVolume(float volume) override; 47 48 // Set the audio volume for all audio activities other than voice call. 49 status_t setMasterVolume(float volume) override; 50 51 // Get the current master volume value for the HAL. 52 status_t getMasterVolume(float *volume) override; 53 54 // Called when the audio mode changes. 55 status_t setMode(audio_mode_t mode) override; 56 57 // Muting control. 58 status_t setMicMute(bool state) override; 59 status_t getMicMute(bool *state) override; 60 status_t setMasterMute(bool state) override; 61 status_t getMasterMute(bool *state) override; 62 63 // Set global audio parameters. 64 status_t setParameters(const String8& kvPairs) override; 65 66 // Get global audio parameters. 67 status_t getParameters(const String8& keys, String8 *values) override; 68 69 // Returns audio input buffer size according to parameters passed. 70 status_t getInputBufferSize(struct audio_config* config, size_t* size) override; 71 72 // Creates and opens the audio hardware output stream. The stream is closed 73 // by releasing all references to the returned object. 74 status_t openOutputStream(audio_io_handle_t handle, audio_devices_t devices, 75 audio_output_flags_t flags, struct audio_config* config, 76 const char* address, sp<StreamOutHalInterface>* outStream) override; 77 78 // Creates and opens the audio hardware input stream. The stream is closed 79 // by releasing all references to the returned object. 80 status_t openInputStream(audio_io_handle_t handle, audio_devices_t devices, 81 struct audio_config* config, audio_input_flags_t flags, 82 const char* address, audio_source_t source, 83 audio_devices_t outputDevice, const char* outputDeviceAddress, 84 sp<StreamInHalInterface>* inStream) override; 85 86 // Returns whether createAudioPatch and releaseAudioPatch operations are supported. 87 status_t supportsAudioPatches(bool* supportsPatches) override; 88 89 // Creates an audio patch between several source and sink ports. 90 status_t createAudioPatch(unsigned int num_sources, const struct audio_port_config* sources, 91 unsigned int num_sinks, const struct audio_port_config* sinks, 92 audio_patch_handle_t* patch) override; 93 94 // Releases an audio patch. 95 status_t releaseAudioPatch(audio_patch_handle_t patch) override; 96 97 // Fills the list of supported attributes for a given audio port. 98 status_t getAudioPort(struct audio_port *port) override; 99 100 // Fills the list of supported attributes for a given audio port. 101 status_t getAudioPort(struct audio_port_v7 *port) override; 102 103 // Set audio port configuration. 104 status_t setAudioPortConfig(const struct audio_port_config *config) override; 105 106 // List microphones 107 status_t getMicrophones(std::vector<audio_microphone_characteristic_t>* microphones) override; 108 109 status_t addDeviceEffect( 110 const struct audio_port_config *device, sp<EffectHalInterface> effect) override; 111 status_t removeDeviceEffect( 112 const struct audio_port_config *device, sp<EffectHalInterface> effect) override; 113 getMmapPolicyInfos(media::audio::common::AudioMMapPolicyType policyType __unused,std::vector<media::audio::common::AudioMMapPolicyInfo> * policyInfos __unused)114 status_t getMmapPolicyInfos( 115 media::audio::common::AudioMMapPolicyType policyType __unused, 116 std::vector<media::audio::common::AudioMMapPolicyInfo> *policyInfos __unused) override { 117 // TODO: Implement the HAL query when moving to AIDL HAL. 118 return INVALID_OPERATION; 119 } 120 getAAudioMixerBurstCount()121 int32_t getAAudioMixerBurstCount() override { 122 // TODO: Implement the HAL query when moving to AIDL HAL. 123 return INVALID_OPERATION; 124 } 125 getAAudioHardwareBurstMinUsec()126 int32_t getAAudioHardwareBurstMinUsec() override { 127 // TODO: Implement the HAL query when moving to AIDL HAL. 128 return INVALID_OPERATION; 129 } 130 131 status_t supportsBluetoothVariableLatency(bool* supports) override; 132 133 status_t setConnectedState(const struct audio_port_v7 *port, bool connected) override; 134 setSimulateDeviceConnections(bool enabled __unused)135 status_t setSimulateDeviceConnections(bool enabled __unused) override { 136 // Only supported by AIDL HALs. 137 return INVALID_OPERATION; 138 } 139 140 error::Result<audio_hw_sync_t> getHwAvSync() override; 141 142 status_t dump(int fd, const Vector<String16>& args) override; 143 144 status_t getSoundDoseInterface(const std::string& module, 145 ::ndk::SpAIBinder* soundDoseBinder) override; 146 147 status_t prepareToDisconnectExternalDevice(const struct audio_port_v7* port) override; 148 149 status_t getAudioMixPort(const struct audio_port_v7* devicePort, 150 struct audio_port_v7* mixPort) override; 151 152 private: 153 friend class DevicesFactoryHalHidl; 154 sp<::android::hardware::audio::CPP_VERSION::IDevice> mDevice; 155 // Null if it's not a primary device. 156 sp<::android::hardware::audio::CPP_VERSION::IPrimaryDevice> mPrimaryDevice; 157 bool supportsSetConnectedState7_1 = true; 158 class SoundDoseWrapper; 159 const std::unique_ptr<SoundDoseWrapper> mSoundDoseWrapper; 160 std::set<audio_port_handle_t> mDeviceDisconnectionNotified; 161 std::map<audio_io_handle_t, wp<StreamHalInterface>> mStreams; 162 163 // Can not be constructed directly by clients. 164 explicit DeviceHalHidl(const sp<::android::hardware::audio::CPP_VERSION::IDevice>& device); 165 explicit DeviceHalHidl( 166 const sp<::android::hardware::audio::CPP_VERSION::IPrimaryDevice>& device); 167 168 void cleanupStreams(); 169 170 // The destructor automatically closes the device. 171 virtual ~DeviceHalHidl(); 172 173 template <typename HalPort> status_t getAudioPortImpl(HalPort *port); 174 }; 175 176 } // namespace android 177 178 #endif // ANDROID_HARDWARE_DEVICE_HAL_HIDL_H 179