diff --git a/audio/aidl/default/dynamicProcessing/DynamicsProcessingSw.cpp b/audio/aidl/default/dynamicProcessing/DynamicsProcessingSw.cpp
index 39345a9..0ffbaa1 100644
--- a/audio/aidl/default/dynamicProcessing/DynamicsProcessingSw.cpp
+++ b/audio/aidl/default/dynamicProcessing/DynamicsProcessingSw.cpp
@@ -18,6 +18,7 @@
 #define LOG_TAG "AHAL_DynamicsProcessingSw"
 #include <Utils.h>
 #include <algorithm>
+#include <set>
 #include <unordered_set>
 
 #include <android-base/logging.h>
@@ -60,7 +61,8 @@
 namespace aidl::android::hardware::audio::effect {
 
 const std::string DynamicsProcessingSw::kEffectName = "DynamicsProcessingSw";
-const DynamicsProcessing::Capability DynamicsProcessingSw::kCapability;
+const DynamicsProcessing::Capability DynamicsProcessingSw::kCapability = {.minCutOffFreq = 220,
+                                                                          .maxCutOffFreq = 20000};
 const Descriptor DynamicsProcessingSw::kDescriptor = {
         .common = {.id = {.type = kDynamicsProcessingTypeUUID,
                           .uuid = kDynamicsProcessingSwImplUUID,
@@ -83,16 +85,143 @@
     RETURN_IF(Parameter::Specific::dynamicsProcessing != specific.getTag(), EX_ILLEGAL_ARGUMENT,
               "EffectNotSupported");
 
-    mSpecificParam = specific.get<Parameter::Specific::dynamicsProcessing>();
-    LOG(DEBUG) << __func__ << " success with: " << specific.toString();
-    return ndk::ScopedAStatus::ok();
+    RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
+
+    LOG(INFO) << __func__ << specific.toString();
+    auto& dpParam = specific.get<Parameter::Specific::dynamicsProcessing>();
+    auto tag = dpParam.getTag();
+    switch (tag) {
+        case DynamicsProcessing::engineArchitecture: {
+            RETURN_IF(mContext->setEngineArchitecture(
+                              dpParam.get<DynamicsProcessing::engineArchitecture>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setEngineArchitectureFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case DynamicsProcessing::preEq: {
+            RETURN_IF(mContext->setPreEqChannelCfgs(dpParam.get<DynamicsProcessing::preEq>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setPreEqChannelCfgsFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case DynamicsProcessing::postEq: {
+            RETURN_IF(mContext->setPostEqChannelCfgs(dpParam.get<DynamicsProcessing::postEq>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setPostEqChannelCfgsFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case DynamicsProcessing::mbc: {
+            RETURN_IF(mContext->setMbcChannelCfgs(dpParam.get<DynamicsProcessing::mbc>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setMbcChannelCfgsFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case DynamicsProcessing::preEqBand: {
+            RETURN_IF(mContext->setPreEqBandCfgs(dpParam.get<DynamicsProcessing::preEqBand>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setPreEqBandCfgsFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case DynamicsProcessing::postEqBand: {
+            RETURN_IF(mContext->setPostEqBandCfgs(dpParam.get<DynamicsProcessing::postEqBand>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setPostEqBandCfgsFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case DynamicsProcessing::mbcBand: {
+            RETURN_IF(mContext->setMbcBandCfgs(dpParam.get<DynamicsProcessing::mbcBand>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "setMbcBandCfgsFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case DynamicsProcessing::limiter: {
+            RETURN_IF(mContext->setLimiterCfgs(dpParam.get<DynamicsProcessing::limiter>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "limiterCfgsFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case DynamicsProcessing::inputGain: {
+            RETURN_IF(mContext->setInputGainCfgs(dpParam.get<DynamicsProcessing::inputGain>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "inputGainCfgFailed");
+            return ndk::ScopedAStatus::ok();
+        }
+        case DynamicsProcessing::vendorExtension: {
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
+                    EX_ILLEGAL_ARGUMENT, "DynamicsProcessingTagNotSupported");
+        }
+    }
 }
 
 ndk::ScopedAStatus DynamicsProcessingSw::getParameterSpecific(const Parameter::Id& id,
                                                               Parameter::Specific* specific) {
     auto tag = id.getTag();
     RETURN_IF(Parameter::Id::dynamicsProcessingTag != tag, EX_ILLEGAL_ARGUMENT, "wrongIdTag");
-    specific->set<Parameter::Specific::dynamicsProcessing>(mSpecificParam);
+    auto dpId = id.get<Parameter::Id::dynamicsProcessingTag>();
+    auto dpIdTag = dpId.getTag();
+    switch (dpIdTag) {
+        case DynamicsProcessing::Id::commonTag:
+            return getParameterDynamicsProcessing(dpId.get<DynamicsProcessing::Id::commonTag>(),
+                                                  specific);
+        case DynamicsProcessing::Id::vendorExtensionTag:
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(dpIdTag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
+                    EX_ILLEGAL_ARGUMENT, "DynamicsProcessingTagNotSupported");
+    }
+}
+
+ndk::ScopedAStatus DynamicsProcessingSw::getParameterDynamicsProcessing(
+        const DynamicsProcessing::Tag& tag, Parameter::Specific* specific) {
+    RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
+
+    DynamicsProcessing dpParam;
+    switch (tag) {
+        case DynamicsProcessing::Tag::engineArchitecture: {
+            dpParam.set<DynamicsProcessing::engineArchitecture>(mContext->getEngineArchitecture());
+            break;
+        }
+        case DynamicsProcessing::Tag::preEq: {
+            dpParam.set<DynamicsProcessing::preEq>(mContext->getPreEqChannelCfgs());
+            break;
+        }
+        case DynamicsProcessing::Tag::postEq: {
+            dpParam.set<DynamicsProcessing::postEq>(mContext->getPostEqChannelCfgs());
+            break;
+        }
+        case DynamicsProcessing::Tag::mbc: {
+            dpParam.set<DynamicsProcessing::mbc>(mContext->getMbcChannelCfgs());
+            break;
+        }
+        case DynamicsProcessing::Tag::preEqBand: {
+            dpParam.set<DynamicsProcessing::preEqBand>(mContext->getPreEqBandCfgs());
+            break;
+        }
+        case DynamicsProcessing::Tag::postEqBand: {
+            dpParam.set<DynamicsProcessing::postEqBand>(mContext->getPostEqBandCfgs());
+            break;
+        }
+        case DynamicsProcessing::Tag::mbcBand: {
+            dpParam.set<DynamicsProcessing::mbcBand>(mContext->getMbcBandCfgs());
+            break;
+        }
+        case DynamicsProcessing::Tag::limiter: {
+            dpParam.set<DynamicsProcessing::limiter>(mContext->getLimiterCfgs());
+            break;
+        }
+        case DynamicsProcessing::Tag::inputGain: {
+            dpParam.set<DynamicsProcessing::inputGain>(mContext->getInputGainCfgs());
+            break;
+        }
+        case DynamicsProcessing::vendorExtension: {
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
+                    EX_ILLEGAL_ARGUMENT, "DynamicsProcessingTagNotSupported");
+        }
+    }
+
+    specific->set<Parameter::Specific::dynamicsProcessing>(dpParam);
+    LOG(INFO) << __func__ << specific->toString();
     return ndk::ScopedAStatus::ok();
 }
 
@@ -127,4 +256,252 @@
     return {STATUS_OK, samples, samples};
 }
 
+RetCode DynamicsProcessingSwContext::setCommon(const Parameter::Common& common) {
+    mCommon = common;
+    mChannelCount =
+            ::android::hardware::audio::common::getChannelCount(common.input.base.channelMask);
+    resizeChannels();
+    resizeBands();
+    LOG(INFO) << __func__ << mCommon.toString();
+    return RetCode::SUCCESS;
+}
+
+RetCode DynamicsProcessingSwContext::setEngineArchitecture(
+        const DynamicsProcessing::EngineArchitecture& cfg) {
+    RETURN_VALUE_IF(!validateEngineConfig(cfg), RetCode::ERROR_ILLEGAL_PARAMETER,
+                    "illegalEngineConfig");
+
+    if (mEngineSettings == cfg) {
+        LOG(INFO) << __func__ << " not change in engine, do nothing";
+        return RetCode::SUCCESS;
+    }
+    mEngineSettings = cfg;
+    resizeBands();
+    return RetCode::SUCCESS;
+}
+
+RetCode DynamicsProcessingSwContext::setChannelCfgs(
+        const std::vector<DynamicsProcessing::ChannelConfig>& cfgs,
+        std::vector<DynamicsProcessing::ChannelConfig>& targetCfgs,
+        const DynamicsProcessing::StageEnablement& stage) {
+    RETURN_VALUE_IF(!stage.inUse, RetCode::ERROR_ILLEGAL_PARAMETER, "stageNotInUse");
+
+    RetCode ret = RetCode::SUCCESS;
+    std::unordered_set<int> channelSet;
+    for (auto& cfg : cfgs) {
+        if (cfg.channel < 0 || (size_t)cfg.channel >= mChannelCount) {
+            LOG(ERROR) << __func__ << " skip illegal channel config " << cfg.toString();
+            ret = RetCode::ERROR_ILLEGAL_PARAMETER;
+            continue;
+        }
+        if (0 != channelSet.count(cfg.channel)) {
+            LOG(WARNING) << __func__ << " duplicated channel " << cfg.channel;
+            ret = RetCode::ERROR_ILLEGAL_PARAMETER;
+        } else {
+            channelSet.insert(cfg.channel);
+        }
+        targetCfgs[cfg.channel] = cfg;
+    }
+    return ret;
+}
+
+RetCode DynamicsProcessingSwContext::setPreEqChannelCfgs(
+        const std::vector<DynamicsProcessing::ChannelConfig>& cfgs) {
+    return setChannelCfgs(cfgs, mPreEqChCfgs, mEngineSettings.preEqStage);
+}
+
+RetCode DynamicsProcessingSwContext::setPostEqChannelCfgs(
+        const std::vector<DynamicsProcessing::ChannelConfig>& cfgs) {
+    return setChannelCfgs(cfgs, mPostEqChCfgs, mEngineSettings.postEqStage);
+}
+
+RetCode DynamicsProcessingSwContext::setMbcChannelCfgs(
+        const std::vector<DynamicsProcessing::ChannelConfig>& cfgs) {
+    return setChannelCfgs(cfgs, mMbcChCfgs, mEngineSettings.mbcStage);
+}
+
+RetCode DynamicsProcessingSwContext::setEqBandCfgs(
+        const std::vector<DynamicsProcessing::EqBandConfig>& cfgs,
+        std::vector<DynamicsProcessing::EqBandConfig>& targetCfgs,
+        const DynamicsProcessing::StageEnablement& stage,
+        const std::vector<DynamicsProcessing::ChannelConfig>& channelConfig) {
+    RETURN_VALUE_IF(!stage.inUse, RetCode::ERROR_ILLEGAL_PARAMETER, "eqStageNotInUse");
+
+    RetCode ret = RetCode::SUCCESS;
+    std::set<std::pair<int /* channel */, int /* band */>> bandSet;
+
+    for (auto& cfg : cfgs) {
+        if (0 != bandSet.count({cfg.channel, cfg.band})) {
+            LOG(WARNING) << __func__ << " duplicated band " << cfg.toString();
+            ret = RetCode::ERROR_ILLEGAL_PARAMETER;
+        } else {
+            bandSet.insert({cfg.channel, cfg.band});
+        }
+        if (!validateEqBandConfig(cfg, mChannelCount, stage.bandCount, channelConfig)) {
+            LOG(WARNING) << __func__ << " skip invalid band " << cfg.toString();
+            ret = RetCode::ERROR_ILLEGAL_PARAMETER;
+            continue;
+            ;
+        }
+        targetCfgs[cfg.channel * stage.bandCount + cfg.band] = cfg;
+    }
+    return ret;
+}
+
+RetCode DynamicsProcessingSwContext::setPreEqBandCfgs(
+        const std::vector<DynamicsProcessing::EqBandConfig>& cfgs) {
+    return setEqBandCfgs(cfgs, mPreEqChBands, mEngineSettings.preEqStage, mPreEqChCfgs);
+}
+
+RetCode DynamicsProcessingSwContext::setPostEqBandCfgs(
+        const std::vector<DynamicsProcessing::EqBandConfig>& cfgs) {
+    return setEqBandCfgs(cfgs, mPostEqChBands, mEngineSettings.postEqStage, mPostEqChCfgs);
+}
+
+RetCode DynamicsProcessingSwContext::setMbcBandCfgs(
+        const std::vector<DynamicsProcessing::MbcBandConfig>& cfgs) {
+    RETURN_VALUE_IF(!mEngineSettings.mbcStage.inUse, RetCode::ERROR_ILLEGAL_PARAMETER,
+                    "mbcNotInUse");
+
+    RetCode ret = RetCode::SUCCESS;
+    std::set<std::pair<int /* channel */, int /* band */>> bandSet;
+
+    int bandCount = mEngineSettings.mbcStage.bandCount;
+    std::vector<bool> filled(mChannelCount * bandCount, false);
+    for (auto& it : cfgs) {
+        if (0 != bandSet.count({it.channel, it.band})) {
+            LOG(WARNING) << __func__ << " duplicated band " << it.toString();
+            ret = RetCode::ERROR_ILLEGAL_PARAMETER;
+        } else {
+            bandSet.insert({it.channel, it.band});
+        }
+        if (!validateMbcBandConfig(it, mChannelCount, mEngineSettings.mbcStage.bandCount,
+                                   mMbcChCfgs)) {
+            LOG(WARNING) << __func__ << " skip invalid band " << it.toString();
+            ret = RetCode::ERROR_ILLEGAL_PARAMETER;
+            continue;
+            ;
+        }
+        mMbcChBands[it.channel * bandCount + it.band] = it;
+    }
+    return ret;
+}
+
+RetCode DynamicsProcessingSwContext::setLimiterCfgs(
+        const std::vector<DynamicsProcessing::LimiterConfig>& cfgs) {
+    RETURN_VALUE_IF(!mEngineSettings.limiterInUse, RetCode::ERROR_ILLEGAL_PARAMETER,
+                    "limiterNotInUse");
+
+    RetCode ret = RetCode::SUCCESS;
+    std::unordered_set<int> channelSet;
+
+    for (auto& it : cfgs) {
+        if (0 != channelSet.count(it.channel)) {
+            LOG(WARNING) << __func__ << " duplicated channel " << it.channel;
+            ret = RetCode::ERROR_ILLEGAL_PARAMETER;
+        } else {
+            channelSet.insert(it.channel);
+        }
+        if (!validateLimiterConfig(it, mChannelCount)) {
+            LOG(WARNING) << __func__ << " skip invalid limiter " << it.toString();
+            ret = RetCode::ERROR_ILLEGAL_PARAMETER;
+            continue;
+        }
+        mLimiterCfgs[it.channel] = it;
+    }
+    return ret;
+}
+
+void DynamicsProcessingSwContext::resizeChannels() {
+    if (mPreEqChCfgs.size() != mChannelCount) {
+        mPreEqChCfgs.resize(mChannelCount, {.channel = kInvalidChannelId});
+    }
+    if (mPostEqChCfgs.size() != mChannelCount) {
+        mPostEqChCfgs.resize(mChannelCount, {.channel = kInvalidChannelId});
+    }
+    if (mMbcChCfgs.size() != mChannelCount) {
+        mMbcChCfgs.resize(mChannelCount, {.channel = kInvalidChannelId});
+    }
+    if (mLimiterCfgs.size() != mChannelCount) {
+        mLimiterCfgs.resize(mChannelCount, {.channel = kInvalidChannelId});
+    }
+    if (mInputGainCfgs.size() != mChannelCount) {
+        mInputGainCfgs.resize(mChannelCount, {.channel = kInvalidChannelId});
+    }
+}
+
+void DynamicsProcessingSwContext::resizeBands() {
+    if (mPreEqChBands.size() != (size_t)(mChannelCount * mEngineSettings.preEqStage.bandCount)) {
+        mPreEqChBands.resize(mChannelCount * mEngineSettings.preEqStage.bandCount,
+                             {.channel = kInvalidChannelId});
+    }
+    if (mPostEqChBands.size() != (size_t)(mChannelCount * mEngineSettings.postEqStage.bandCount)) {
+        mPostEqChBands.resize(mChannelCount * mEngineSettings.postEqStage.bandCount,
+                              {.channel = kInvalidChannelId});
+    }
+    if (mMbcChBands.size() != (size_t)(mChannelCount * mEngineSettings.mbcStage.bandCount)) {
+        mMbcChBands.resize(mChannelCount * mEngineSettings.mbcStage.bandCount,
+                           {.channel = kInvalidChannelId});
+    }
+}
+
+RetCode DynamicsProcessingSwContext::setInputGainCfgs(
+        const std::vector<DynamicsProcessing::InputGain>& cfgs) {
+    for (const auto& cfg : cfgs) {
+        RETURN_VALUE_IF(cfg.channel < 0 || (size_t)cfg.channel >= mChannelCount,
+                        RetCode::ERROR_ILLEGAL_PARAMETER, "invalidChannel");
+        mInputGainCfgs[cfg.channel] = cfg;
+    }
+    return RetCode::SUCCESS;
+}
+
+std::vector<DynamicsProcessing::InputGain> DynamicsProcessingSwContext::getInputGainCfgs() {
+    std::vector<DynamicsProcessing::InputGain> ret;
+    std::copy_if(mInputGainCfgs.begin(), mInputGainCfgs.end(), std::back_inserter(ret),
+                 [&](const auto& gain) { return gain.channel != kInvalidChannelId; });
+    return ret;
+}
+
+bool DynamicsProcessingSwContext::validateCutoffFrequency(float freq) {
+    return freq >= DynamicsProcessingSw::kCapability.minCutOffFreq &&
+           freq <= DynamicsProcessingSw::kCapability.maxCutOffFreq;
+}
+
+bool DynamicsProcessingSwContext::validateStageEnablement(
+        const DynamicsProcessing::StageEnablement& enablement) {
+    return !enablement.inUse || (enablement.inUse && enablement.bandCount > 0);
+}
+
+bool DynamicsProcessingSwContext::validateEngineConfig(
+        const DynamicsProcessing::EngineArchitecture& engine) {
+    return engine.preferredProcessingDurationMs >= 0 &&
+           validateStageEnablement(engine.preEqStage) &&
+           validateStageEnablement(engine.postEqStage) && validateStageEnablement(engine.mbcStage);
+}
+
+bool DynamicsProcessingSwContext::validateEqBandConfig(
+        const DynamicsProcessing::EqBandConfig& band, int maxChannel, int maxBand,
+        const std::vector<DynamicsProcessing::ChannelConfig>& channelConfig) {
+    return band.channel >= 0 && band.channel < maxChannel &&
+           (size_t)band.channel < channelConfig.size() && channelConfig[band.channel].enable &&
+           band.band >= 0 && band.band < maxBand && validateCutoffFrequency(band.cutoffFrequencyHz);
+}
+
+bool DynamicsProcessingSwContext::validateMbcBandConfig(
+        const DynamicsProcessing::MbcBandConfig& band, int maxChannel, int maxBand,
+        const std::vector<DynamicsProcessing::ChannelConfig>& channelConfig) {
+    return band.channel >= 0 && band.channel < maxChannel &&
+           (size_t)band.channel < channelConfig.size() && channelConfig[band.channel].enable &&
+           band.band >= 0 && band.band < maxBand &&
+           validateCutoffFrequency(band.cutoffFrequencyHz) && band.attackTimeMs >= 0 &&
+           band.releaseTimeMs >= 0 && band.ratio >= 0 && band.thresholdDb <= 0 &&
+           band.kneeWidthDb <= 0 && band.noiseGateThresholdDb <= 0 && band.expanderRatio >= 0;
+}
+
+bool DynamicsProcessingSwContext::validateLimiterConfig(
+        const DynamicsProcessing::LimiterConfig& limiter, int maxChannel) {
+    return limiter.channel >= 0 && limiter.channel < maxChannel && limiter.attackTimeMs >= 0 &&
+           limiter.releaseTimeMs >= 0 && limiter.ratio >= 0 && limiter.thresholdDb <= 0;
+}
+
 }  // namespace aidl::android::hardware::audio::effect
diff --git a/audio/aidl/default/dynamicProcessing/DynamicsProcessingSw.h b/audio/aidl/default/dynamicProcessing/DynamicsProcessingSw.h
index 2ae46c5..e336df7 100644
--- a/audio/aidl/default/dynamicProcessing/DynamicsProcessingSw.h
+++ b/audio/aidl/default/dynamicProcessing/DynamicsProcessingSw.h
@@ -29,11 +29,77 @@
 class DynamicsProcessingSwContext final : public EffectContext {
   public:
     DynamicsProcessingSwContext(int statusDepth, const Parameter::Common& common)
-        : EffectContext(statusDepth, common) {
+        : EffectContext(statusDepth, common),
+          mChannelCount(::android::hardware::audio::common::getChannelCount(
+                  common.input.base.channelMask)),
+          mPreEqChCfgs(mChannelCount, {.channel = kInvalidChannelId}),
+          mPostEqChCfgs(mChannelCount, {.channel = kInvalidChannelId}),
+          mMbcChCfgs(mChannelCount, {.channel = kInvalidChannelId}),
+          mLimiterCfgs(mChannelCount, {.channel = kInvalidChannelId}) {
         LOG(DEBUG) << __func__;
     }
-    // TODO: add specific context here
-};
+
+    // utils
+    RetCode setChannelCfgs(const std::vector<DynamicsProcessing::ChannelConfig>& cfgs,
+                           std::vector<DynamicsProcessing::ChannelConfig>& targetCfgs,
+                           const DynamicsProcessing::StageEnablement& engineSetting);
+
+    RetCode setEqBandCfgs(const std::vector<DynamicsProcessing::EqBandConfig>& cfgs,
+                          std::vector<DynamicsProcessing::EqBandConfig>& targetCfgs,
+                          const DynamicsProcessing::StageEnablement& stage,
+                          const std::vector<DynamicsProcessing::ChannelConfig>& channelConfig);
+
+    // set params
+    RetCode setCommon(const Parameter::Common& common) override;
+    RetCode setEngineArchitecture(const DynamicsProcessing::EngineArchitecture& cfg);
+    RetCode setPreEqChannelCfgs(const std::vector<DynamicsProcessing::ChannelConfig>& cfgs);
+    RetCode setPostEqChannelCfgs(const std::vector<DynamicsProcessing::ChannelConfig>& cfgs);
+    RetCode setMbcChannelCfgs(const std::vector<DynamicsProcessing::ChannelConfig>& cfgs);
+    RetCode setPreEqBandCfgs(const std::vector<DynamicsProcessing::EqBandConfig>& cfgs);
+    RetCode setPostEqBandCfgs(const std::vector<DynamicsProcessing::EqBandConfig>& cfgs);
+    RetCode setMbcBandCfgs(const std::vector<DynamicsProcessing::MbcBandConfig>& cfgs);
+    RetCode setLimiterCfgs(const std::vector<DynamicsProcessing::LimiterConfig>& cfgs);
+    RetCode setInputGainCfgs(const std::vector<DynamicsProcessing::InputGain>& cfgs);
+
+    // get params
+    DynamicsProcessing::EngineArchitecture getEngineArchitecture() { return mEngineSettings; }
+    std::vector<DynamicsProcessing::ChannelConfig> getPreEqChannelCfgs() { return mPreEqChCfgs; }
+    std::vector<DynamicsProcessing::ChannelConfig> getPostEqChannelCfgs() { return mPostEqChCfgs; }
+    std::vector<DynamicsProcessing::ChannelConfig> getMbcChannelCfgs() { return mMbcChCfgs; }
+    std::vector<DynamicsProcessing::EqBandConfig> getPreEqBandCfgs() { return mPreEqChBands; }
+    std::vector<DynamicsProcessing::EqBandConfig> getPostEqBandCfgs() { return mPostEqChBands; }
+    std::vector<DynamicsProcessing::MbcBandConfig> getMbcBandCfgs() { return mMbcChBands; }
+    std::vector<DynamicsProcessing::LimiterConfig> getLimiterCfgs() { return mLimiterCfgs; }
+    std::vector<DynamicsProcessing::InputGain> getInputGainCfgs();
+
+  private:
+    static constexpr int32_t kInvalidChannelId = -1;
+    size_t mChannelCount = 0;
+    DynamicsProcessing::EngineArchitecture mEngineSettings;
+    // Channel config vector with size of mChannelCount
+    std::vector<DynamicsProcessing::ChannelConfig> mPreEqChCfgs;
+    std::vector<DynamicsProcessing::ChannelConfig> mPostEqChCfgs;
+    std::vector<DynamicsProcessing::ChannelConfig> mMbcChCfgs;
+    std::vector<DynamicsProcessing::LimiterConfig> mLimiterCfgs;
+    std::vector<DynamicsProcessing::InputGain> mInputGainCfgs;
+    // Band config vector with size of mChannelCount * bandCount
+    std::vector<DynamicsProcessing::EqBandConfig> mPreEqChBands;
+    std::vector<DynamicsProcessing::EqBandConfig> mPostEqChBands;
+    std::vector<DynamicsProcessing::MbcBandConfig> mMbcChBands;
+
+    bool validateCutoffFrequency(float freq);
+    bool validateStageEnablement(const DynamicsProcessing::StageEnablement& enablement);
+    bool validateEngineConfig(const DynamicsProcessing::EngineArchitecture& engine);
+    bool validateEqBandConfig(const DynamicsProcessing::EqBandConfig& band, int maxChannel,
+                              int maxBand,
+                              const std::vector<DynamicsProcessing::ChannelConfig>& channelConfig);
+    bool validateMbcBandConfig(const DynamicsProcessing::MbcBandConfig& band, int maxChannel,
+                               int maxBand,
+                               const std::vector<DynamicsProcessing::ChannelConfig>& channelConfig);
+    bool validateLimiterConfig(const DynamicsProcessing::LimiterConfig& limiter, int maxChannel);
+    void resizeChannels();
+    void resizeBands();
+};  // DynamicsProcessingSwContext
 
 class DynamicsProcessingSw final : public EffectImpl {
   public:
@@ -60,7 +126,9 @@
 
   private:
     std::shared_ptr<DynamicsProcessingSwContext> mContext;
-    /* parameters */
-    DynamicsProcessing mSpecificParam;
-};
+    ndk::ScopedAStatus getParameterDynamicsProcessing(const DynamicsProcessing::Tag& tag,
+                                                      Parameter::Specific* specific);
+
+};  // DynamicsProcessingSw
+
 }  // namespace aidl::android::hardware::audio::effect