191 lines
7.9 KiB
C++
191 lines
7.9 KiB
C++
/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "AHAL_ModuleUsb"
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#include <vector>
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#include <Utils.h>
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#include <android-base/logging.h>
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#include <tinyalsa/asoundlib.h>
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#include "UsbAlsaMixerControl.h"
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#include "UsbAlsaUtils.h"
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#include "core-impl/ModuleUsb.h"
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extern "C" {
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#include "alsa_device_profile.h"
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}
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using aidl::android::hardware::audio::common::isUsbInputDeviceType;
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using aidl::android::media::audio::common::AudioChannelLayout;
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using aidl::android::media::audio::common::AudioDeviceAddress;
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using aidl::android::media::audio::common::AudioDeviceDescription;
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using aidl::android::media::audio::common::AudioDeviceType;
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using aidl::android::media::audio::common::AudioFormatDescription;
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using aidl::android::media::audio::common::AudioFormatType;
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using aidl::android::media::audio::common::AudioPort;
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using aidl::android::media::audio::common::AudioPortConfig;
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using aidl::android::media::audio::common::AudioPortExt;
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using aidl::android::media::audio::common::AudioProfile;
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namespace aidl::android::hardware::audio::core {
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namespace {
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std::vector<AudioChannelLayout> populateChannelMasksFromProfile(const alsa_device_profile* profile,
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bool isInput) {
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std::vector<AudioChannelLayout> channels;
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for (size_t i = 0; i < AUDIO_PORT_MAX_CHANNEL_MASKS && profile->channel_counts[i] != 0; ++i) {
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auto layoutMask =
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usb::getChannelLayoutMaskFromChannelCount(profile->channel_counts[i], isInput);
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if (layoutMask.getTag() == AudioChannelLayout::Tag::layoutMask) {
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channels.push_back(layoutMask);
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}
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auto indexMask = usb::getChannelIndexMaskFromChannelCount(profile->channel_counts[i]);
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if (indexMask.getTag() == AudioChannelLayout::Tag::indexMask) {
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channels.push_back(indexMask);
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}
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}
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return channels;
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}
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std::vector<int> populateSampleRatesFromProfile(const alsa_device_profile* profile) {
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std::vector<int> sampleRates;
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for (int i = 0; i < std::min(MAX_PROFILE_SAMPLE_RATES, AUDIO_PORT_MAX_SAMPLING_RATES) &&
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profile->sample_rates[i] != 0;
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i++) {
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sampleRates.push_back(profile->sample_rates[i]);
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}
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return sampleRates;
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}
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} // namespace
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ndk::ScopedAStatus ModuleUsb::getTelephony(std::shared_ptr<ITelephony>* _aidl_return) {
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*_aidl_return = nullptr;
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LOG(DEBUG) << __func__ << ": returning null";
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus ModuleUsb::getBluetooth(std::shared_ptr<IBluetooth>* _aidl_return) {
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*_aidl_return = nullptr;
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LOG(DEBUG) << __func__ << ": returning null";
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus ModuleUsb::getMicMute(bool* _aidl_return __unused) {
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LOG(DEBUG) << __func__ << ": is not supported";
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus ModuleUsb::setMicMute(bool in_mute __unused) {
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LOG(DEBUG) << __func__ << ": is not supported";
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus ModuleUsb::populateConnectedDevicePort(AudioPort* audioPort) {
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if (audioPort->ext.getTag() != AudioPortExt::Tag::device) {
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LOG(ERROR) << __func__ << ": port id " << audioPort->id << " is not a device port";
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
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}
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auto& devicePort = audioPort->ext.get<AudioPortExt::Tag::device>();
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if (devicePort.device.type.connection != AudioDeviceDescription::CONNECTION_USB) {
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LOG(ERROR) << __func__ << ": port id " << audioPort->id << " is not a usb device port";
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
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}
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if (devicePort.device.address.getTag() != AudioDeviceAddress::Tag::alsa) {
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LOG(ERROR) << __func__ << ": port id " << audioPort->id << " is not using alsa address";
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
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}
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auto& alsaAddress = devicePort.device.address.get<AudioDeviceAddress::Tag::alsa>();
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if (alsaAddress.size() != 2 || alsaAddress[0] < 0 || alsaAddress[1] < 0) {
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LOG(ERROR) << __func__ << ": port id " << audioPort->id << " invalid alsa address";
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
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}
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const bool isInput = isUsbInputDeviceType(devicePort.device.type.type);
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alsa_device_profile profile;
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profile_init(&profile, isInput ? PCM_IN : PCM_OUT);
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profile.card = alsaAddress[0];
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profile.device = alsaAddress[1];
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if (!profile_read_device_info(&profile)) {
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LOG(ERROR) << __func__ << ": failed to read device info, card=" << profile.card
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<< ", device=" << profile.device;
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
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}
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std::vector<AudioChannelLayout> channels = populateChannelMasksFromProfile(&profile, isInput);
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std::vector<int> sampleRates = populateSampleRatesFromProfile(&profile);
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for (size_t i = 0; i < std::min(MAX_PROFILE_FORMATS, AUDIO_PORT_MAX_AUDIO_PROFILES) &&
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profile.formats[i] != PCM_FORMAT_INVALID;
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++i) {
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auto audioFormatDescription =
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usb::legacy2aidl_pcm_format_AudioFormatDescription(profile.formats[i]);
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if (audioFormatDescription.type == AudioFormatType::DEFAULT) {
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LOG(WARNING) << __func__ << ": unknown pcm type=" << profile.formats[i];
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continue;
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}
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AudioProfile audioProfile = {.format = audioFormatDescription,
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.channelMasks = channels,
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.sampleRates = sampleRates};
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audioPort->profiles.push_back(std::move(audioProfile));
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}
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus ModuleUsb::checkAudioPatchEndpointsMatch(
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const std::vector<AudioPortConfig*>& sources, const std::vector<AudioPortConfig*>& sinks) {
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for (const auto& source : sources) {
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for (const auto& sink : sinks) {
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if (source->sampleRate != sink->sampleRate ||
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source->channelMask != sink->channelMask || source->format != sink->format) {
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LOG(ERROR) << __func__
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<< ": mismatch port configuration, source=" << source->toString()
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<< ", sink=" << sink->toString();
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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}
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}
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return ndk::ScopedAStatus::ok();
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}
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void ModuleUsb::onExternalDeviceConnectionChanged(
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const ::aidl::android::media::audio::common::AudioPort& audioPort, bool connected) {
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if (audioPort.ext.getTag() != AudioPortExt::Tag::device) {
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return;
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}
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const auto& address = audioPort.ext.get<AudioPortExt::Tag::device>().device.address;
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if (address.getTag() != AudioDeviceAddress::alsa) {
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return;
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}
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const int card = address.get<AudioDeviceAddress::alsa>()[0];
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usb::UsbAlsaMixerControl::getInstance().setDeviceConnectionState(card, mMasterMute,
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mMasterVolume, connected);
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}
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ndk::ScopedAStatus ModuleUsb::onMasterMuteChanged(bool mute) {
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return usb::UsbAlsaMixerControl::getInstance().setMasterMute(mute);
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}
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ndk::ScopedAStatus ModuleUsb::onMasterVolumeChanged(float volume) {
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return usb::UsbAlsaMixerControl::getInstance().setMasterVolume(volume);
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}
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} // namespace aidl::android::hardware::audio::core
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