hal: Add support for generic effect framework

Base changes for supporting generic effect framework
in HAL

Change-Id: I1f5a8d7748848cd5981b86017e6a4466d6b27be7
CRs-Fixed: 1043932
diff --git a/configs/msm8996/msm8996.mk b/configs/msm8996/msm8996.mk
index 71705cb..4f29b53 100644
--- a/configs/msm8996/msm8996.mk
+++ b/configs/msm8996/msm8996.mk
@@ -50,6 +50,7 @@
 #DOLBY_DDP := true
 AUDIO_FEATURE_ENABLED_SOURCE_TRACKING := true
 AUDIO_FEATURE_ENABLED_AUDIOSPHERE := true
+AUDIO_FEATURE_ENABLED_GEF_SUPPORT := true
 ##AUDIO_FEATURE_FLAGS
 
 #Audio Specific device overlays
diff --git a/hal/Android.mk b/hal/Android.mk
index 812ed99..f457c7b 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -314,6 +314,11 @@
     LOCAL_CFLAGS += -DDISPLAY_PORT_ENABLED
 endif
 
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_GEF_SUPPORT)),true)
+    LOCAL_CFLAGS += -DAUDIO_GENERIC_EFFECT_FRAMEWORK_ENABLED
+    LOCAL_SRC_FILES += audio_extn/gef.c
+endif
+
 LOCAL_CFLAGS += -Wall -Werror
 
 LOCAL_COPY_HEADERS_TO   := mm-audio
diff --git a/hal/audio_extn/audio_extn.h b/hal/audio_extn/audio_extn.h
index ce2cb46..92fb592 100644
--- a/hal/audio_extn/audio_extn.h
+++ b/hal/audio_extn/audio_extn.h
@@ -596,6 +596,41 @@
                                          struct str_parms *parms);
 #endif
 
+#ifndef AUDIO_GENERIC_EFFECT_FRAMEWORK_ENABLED
+
+#define audio_extn_gef_init(adev) (0)
+#define audio_extn_gef_deinit() (0)
+#define audio_extn_gef_notify_device_config(devices, cmask, acdb_id) (0)
+#define audio_extn_gef_send_audio_cal(dev, acdb_dev_id, acdb_device_type,\
+    app_type, topology_id, sample_rate, module_id, param_id, data, length, persist) (0)
+#define audio_extn_gef_get_audio_cal(adev, acdb_dev_id, acdb_device_type,\
+    app_type, topology_id, sample_rate, module_id, param_id, data, length, persist) (0)
+#define audio_extn_gef_store_audio_cal(adev, acdb_dev_id, acdb_device_type,\
+    app_type, topology_id, sample_rate, module_id, param_id, data, length) (0)
+#define audio_extn_gef_retrieve_audio_cal(adev, acdb_dev_id, acdb_device_type,\
+    app_type, topology_id, sample_rate, module_id, param_id, data, length) (0)
+
+#else
+
+void audio_extn_gef_init(struct audio_device *adev);
+void audio_extn_gef_deinit();
+
+void audio_extn_gef_notify_device_config(audio_devices_t audio_device,
+    audio_channel_mask_t channel_mask, int acdb_id);
+int audio_extn_gef_send_audio_cal(void* adev, int acdb_dev_id, int acdb_device_type,
+    int app_type, int topology_id, int sample_rate, uint32_t module_id, uint32_t param_id,
+    void* data, int length, bool persist);
+int audio_extn_gef_get_audio_cal(void* adev, int acdb_dev_id, int acdb_device_type,
+    int app_type, int topology_id, int sample_rate, uint32_t module_id, uint32_t param_id,
+    void* data, int* length, bool persist);
+int audio_extn_gef_store_audio_cal(void* adev, int acdb_dev_id, int acdb_device_type,
+    int app_type, int topology_id, int sample_rate, uint32_t module_id, uint32_t param_id,
+    void* data, int length);
+int audio_extn_gef_retrieve_audio_cal(void* adev, int acdb_dev_id, int acdb_device_type,
+    int app_type, int topology_id, int sample_rate, uint32_t module_id, uint32_t param_id,
+    void* data, int* length);
+
+#endif /* AUDIO_GENERIC_EFFECT_FRAMEWORK_ENABLED */
 
 typedef void (* snd_mon_cb)(void * stream, struct str_parms * parms);
 #ifndef SND_MONITOR_ENABLED
diff --git a/hal/audio_extn/gef.c b/hal/audio_extn/gef.c
new file mode 100644
index 0000000..d0ccd8c
--- /dev/null
+++ b/hal/audio_extn/gef.c
@@ -0,0 +1,290 @@
+/*
+ * Copyright (c) 2016, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above
+ *     copyright notice, this list of conditions and the following
+ *     disclaimer in the documentation and/or other materials provided
+ *     with the distribution.
+ *   * Neither the name of The Linux Foundation nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define LOG_TAG "audio_hw_generic_effect"
+//#define LOG_NDEBUG 0
+#define LOG_NDDEBUG 0
+
+#include <errno.h>
+#include <math.h>
+#include <cutils/log.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include "audio_hw.h"
+#include "platform.h"
+#include "platform_api.h"
+#include <sys/stat.h>
+#include <stdlib.h>
+#include <dlfcn.h>
+#include <math.h>
+#include <cutils/properties.h>
+#include "audio_extn.h"
+#include "audio_hw.h"
+
+#ifdef AUDIO_GENERIC_EFFECT_FRAMEWORK_ENABLED
+
+#define GEF_LIBRARY "/system/vendor/lib/libqtigef.so"
+
+typedef void* (*gef_init_t)(void*);
+typedef void (*gef_device_config_cb_t)(void*, audio_devices_t,
+    audio_channel_mask_t, int);
+
+typedef struct {
+    void* handle;
+    void* gef_ptr;
+    gef_init_t init;
+    gef_device_config_cb_t device_config_cb;
+} gef_data;
+
+static gef_data gef_hal_handle;
+
+typedef enum {
+    ASM = 0,
+    ADM
+} gef_calibration_type;
+
+typedef enum {
+    AUDIO_DEVICE_CAL_TYPE = 0,
+    AUDIO_STREAM_CAL_TYPE,
+} acdb_device_type;
+
+
+static acdb_device_type make_acdb_device_type_from_gef_cal_type
+                            (gef_calibration_type gef_cal_type)
+{
+    int acdb_device_type = 0;
+
+    switch (gef_cal_type) {
+        case ASM:
+            acdb_device_type = AUDIO_STREAM_CAL_TYPE;
+            break;
+        case ADM:
+            acdb_device_type = AUDIO_DEVICE_CAL_TYPE;
+            break;
+        default:
+            acdb_device_type = -1;
+            break;
+    }
+
+    return ((int)acdb_device_type);
+}
+
+void audio_extn_gef_init(struct audio_device *adev)
+{
+    int ret = 0;
+    const char* error = NULL;
+
+    ALOGV("%s: Enter with error", __func__);
+
+    memset(&gef_hal_handle, 0, sizeof(gef_data));
+
+    ret = access(GEF_LIBRARY, R_OK);
+    if (ret == 0) {
+        //: check error for dlopen
+        gef_hal_handle.handle = dlopen(GEF_LIBRARY, RTLD_LAZY);
+        if (gef_hal_handle.handle == NULL) {
+            ALOGE("%s: DLOPEN failed for %s with error %s",
+                __func__, GEF_LIBRARY, dlerror());
+            goto ERROR_RETURN;
+        } else {
+            ALOGV("%s: DLOPEN successful for %s", __func__, GEF_LIBRARY);
+
+            //call dlerror to clear the error
+            dlerror();
+            gef_hal_handle.init =
+                (gef_init_t)dlsym(gef_hal_handle.handle, "gef_init");
+            error = dlerror();
+
+            if(error != NULL) {
+                ALOGE("%s: dlsym of %s failed with error %s",
+                     __func__, "gef_init", error);
+                goto ERROR_RETURN;
+            }
+
+            //call dlerror to clear the error
+            error = dlerror();
+            gef_hal_handle.device_config_cb =
+                 (gef_device_config_cb_t)dlsym(gef_hal_handle.handle,
+                 "gef_device_config_cb");
+            error = dlerror();
+
+            if(error != NULL) {
+                ALOGE("%s: dlsym of %s failed with error %s",
+                     __func__, "gef_device_config_cb", error);
+                goto ERROR_RETURN;
+            }
+
+            gef_hal_handle.gef_ptr = gef_hal_handle.init((void*)adev);
+        }
+    } else {
+        ALOGE("%s: %s access failed", __func__, GEF_LIBRARY);
+    }
+
+ERROR_RETURN:
+    ALOGV("%s: Exit with error %d", __func__, ret);
+    return;
+}
+
+
+//this will be called from GEF to exchange calibration using acdb
+int audio_extn_gef_send_audio_cal(void* dev, int acdb_dev_id,
+    int gef_cal_type, int app_type, int topology_id, int sample_rate,
+    uint32_t module_id, uint32_t param_id, void* data, int length, bool persist)
+{
+    int ret = 0;
+    struct audio_device *adev = (struct audio_device*)dev;
+    int acdb_device_type =
+        make_acdb_device_type_from_gef_cal_type(gef_cal_type);
+
+    ALOGV("%s: Enter", __func__);
+
+    //lock adev
+    pthread_mutex_lock(&adev->lock);
+
+    //send cal
+    ret = platform_send_audio_cal(adev->platform, acdb_dev_id,
+        acdb_device_type, app_type, topology_id, sample_rate,
+        module_id, param_id, data, length, persist);
+
+    pthread_mutex_unlock(&adev->lock);
+
+    ALOGV("%s: Exit with error %d", __func__, ret);
+
+    return ret;
+}
+
+//this will be called from GEF to exchange calibration using acdb
+int audio_extn_gef_get_audio_cal(void* dev, int acdb_dev_id,
+    int gef_cal_type, int app_type, int topology_id, int sample_rate,
+    uint32_t module_id, uint32_t param_id, void* data, int* length, bool persist)
+{
+    int ret = 0;
+    struct audio_device *adev = (struct audio_device*)dev;
+    int acdb_device_type =
+        make_acdb_device_type_from_gef_cal_type(gef_cal_type);
+
+    ALOGV("%s: Enter", __func__);
+
+    //lock adev
+    pthread_mutex_lock(&adev->lock);
+
+    ret = platform_get_audio_cal(adev->platform, acdb_dev_id,
+        acdb_device_type, app_type, topology_id, sample_rate,
+        module_id, param_id, data, length, persist);
+
+    pthread_mutex_unlock(&adev->lock);
+
+    ALOGV("%s: Exit with error %d", __func__, ret);
+
+    return ret;
+}
+
+//this will be called from GEF to store into acdb
+int audio_extn_gef_store_audio_cal(void* dev, int acdb_dev_id,
+    int gef_cal_type, int app_type, int topology_id, int sample_rate,
+    uint32_t module_id, uint32_t param_id, void* data, int length)
+{
+    int ret = 0;
+    struct audio_device *adev = (struct audio_device*)dev;
+    int acdb_device_type =
+        make_acdb_device_type_from_gef_cal_type(gef_cal_type);
+
+    ALOGV("%s: Enter", __func__);
+
+    //lock adev
+    pthread_mutex_lock(&adev->lock);
+
+    ret = platform_store_audio_cal(adev->platform, acdb_dev_id,
+        acdb_device_type, app_type, topology_id, sample_rate,
+        module_id, param_id, data, length);
+
+    pthread_mutex_unlock(&adev->lock);
+
+    ALOGV("%s: Exit with error %d", __func__, ret);
+
+    return ret;
+}
+
+//this will be called from GEF to retrieve calibration using acdb
+int audio_extn_gef_retrieve_audio_cal(void* dev, int acdb_dev_id,
+    int gef_cal_type, int app_type, int topology_id, int sample_rate,
+    uint32_t module_id, uint32_t param_id, void* data, int* length)
+{
+    int ret = 0;
+    struct audio_device *adev = (struct audio_device*)dev;
+    int acdb_device_type =
+        make_acdb_device_type_from_gef_cal_type(gef_cal_type);
+
+    ALOGV("%s: Enter", __func__);
+
+    //lock adev
+    pthread_mutex_lock(&adev->lock);
+
+    ret = platform_retrieve_audio_cal(adev->platform, acdb_dev_id,
+        acdb_device_type, app_type, topology_id, sample_rate,
+        module_id, param_id, data, length);
+
+    pthread_mutex_unlock(&adev->lock);
+
+    ALOGV("%s: Exit with error %d", __func__, ret);
+
+    return ret;
+}
+
+//this will be called from HAL to notify GEF of new device configuration
+void audio_extn_gef_notify_device_config(audio_devices_t audio_device,
+    audio_channel_mask_t channel_mask, int acdb_id)
+{
+    ALOGV("%s: Enter", __func__);
+
+    //call into GEF to share channel mask and device info
+    if (gef_hal_handle.handle && gef_hal_handle.device_config_cb) {
+        gef_hal_handle.device_config_cb(gef_hal_handle.gef_ptr, audio_device, channel_mask,
+            acdb_id);
+    }
+
+    ALOGV("%s: Exit", __func__);
+
+    return;
+}
+
+void audio_extn_gef_deinit()
+{
+    ALOGV("%s: Enter", __func__);
+
+    if (gef_hal_handle.handle) {
+        dlclose(gef_hal_handle.handle);
+    }
+
+    memset(&gef_hal_handle, 0, sizeof(gef_data));
+
+    ALOGV("%s: Exit", __func__);
+}
+
+#endif
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 3077f89..df78f83 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -1450,6 +1450,12 @@
                                                 usecase->stream.out->channel_mask,
                                                 &usecase->stream.out->app_type_cfg);
         ALOGI("%s Selected apptype: %d", __func__, usecase->stream.out->app_type_cfg.app_type);
+
+        /* Notify device change info to effect clients registered */
+        audio_extn_gef_notify_device_config(
+                usecase->stream.out->devices,
+                usecase->stream.out->channel_mask,
+                platform_get_snd_device_acdb_id(usecase->out_snd_device));
     }
 
     enable_audio_route(adev, usecase);
@@ -4570,6 +4576,7 @@
         audio_extn_listen_deinit(adev);
         audio_extn_utils_release_streams_output_cfg_list(&adev->streams_output_cfg_list);
         audio_route_free(adev->audio_route);
+        audio_extn_gef_deinit();
         free(adev->snd_dev_ref_cnt);
         platform_deinit(adev->platform);
         if (adev->adm_deinit)
@@ -4698,6 +4705,7 @@
     }
     audio_extn_listen_init(adev, adev->snd_card);
     audio_extn_sound_trigger_init(adev);
+    audio_extn_gef_init(adev);
 
     if (access(OFFLOAD_EFFECTS_BUNDLE_LIBRARY_PATH, R_OK) == 0) {
         adev->offload_effects_lib = dlopen(OFFLOAD_EFFECTS_BUNDLE_LIBRARY_PATH, RTLD_NOW);
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 2540184..25f862e 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -5639,3 +5639,43 @@
 {
     return false;
 }
+
+int platform_send_audio_cal(void* platform __unused,
+        int acdb_dev_id __unused, int acdb_device_type __unused,
+        int app_type __unused, int topology_id __unused,
+        int sample_rate __unused, uint32_t module_id __unused,
+        uint32_t param_id __unused, void* data __unused,
+        int length __unused, bool persist __unused)
+{
+    return -ENOSYS;
+}
+
+int platform_get_audio_cal(void* platform __unused,
+        int acdb_dev_id __unused, int acdb_device_type __unused,
+        int app_type __unused, int topology_id __unused,
+        int sample_rate __unused, uint32_t module_id __unused,
+        uint32_t param_id __unused, void* data __unused,
+        int* length __unused, bool persist __unused)
+{
+    return -ENOSYS;
+}
+
+int platform_store_audio_cal(void* platform __unused,
+        int acdb_dev_id __unused, int acdb_device_type __unused,
+        int app_type __unused, int topology_id __unused,
+        int sample_rate __unused, uint32_t module_id __unused,
+        uint32_t param_id __unused,  void* data __unused,
+        int length __unused)
+{
+     return -ENOSYS;
+}
+
+int platform_retrieve_audio_cal(void* platform __unused,
+        int acdb_dev_id __unused, int acdb_device_type __unused,
+        int app_type __unused, int topology_id __unused,
+        int sample_rate __unused, uint32_t module_id __unused,
+        uint32_t param_id __unused, void* data __unused,
+        int* length __unused)
+{
+    return -ENOSYS;
+}
diff --git a/hal/msm8960/platform.c b/hal/msm8960/platform.c
index f3c4d28..c1e8e7f 100644
--- a/hal/msm8960/platform.c
+++ b/hal/msm8960/platform.c
@@ -1237,7 +1237,48 @@
 bool platform_check_backends_match(snd_device_t snd_device1 __unused,
                                    snd_device_t snd_device2 __unused)
 {
-    return true;
+    return -ENOSYS;
+}
+
+int platform_send_audio_cal(void* platform __unused,
+        int acdb_dev_id __unused, int acdb_device_type __unused,
+        int app_type __unused, int topology_id __unused,
+        int sample_rate __unused, uint32_t module_id,
+        uint32_t param_id, void* data __unused,
+        int length __unused, bool persist __unused)
+{
+    return -ENOSYS;
+}
+
+int platform_get_audio_cal(void* platform __unused,
+        int acdb_dev_id __unused, int acdb_device_type __unused,
+        int app_type __unused, int topology_id __unused,
+        int sample_rate __unused, uint32_t module_id,
+        uint32_t param_id, void* data __unused,
+        int* length __unused, bool persist __unused)
+{
+    return -ENOSYS;
+}
+
+int platform_store_audio_cal(void* platform __unused,
+        int acdb_dev_id __unused, int acdb_device_type __unused,
+        int app_type __unused, int topology_id __unused,
+        int sample_rate __unused,  uint32_t module_id,
+        uint32_t param_id, void* data __unused,
+        int length __unused)
+{
+     return -ENOSYS;
+}
+
+
+int platform_retrieve_audio_cal(void* platform __unused,
+        int acdb_dev_id __unused, int acdb_device_type __unused,
+        int app_type __unused, int topology_id __unused,
+        int sample_rate __unused, uint32_t module_id,
+        uint32_t param_id, void* data __unused,
+        int* length __unused)
+{
+    return -ENOSYS;
 }
 
 int platform_set_sidetone(struct audio_device *adev,
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 91e7235..2dd1d13 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -5625,3 +5625,153 @@
     }
     return 0;
 }
+
+static void make_cal_cfg(acdb_audio_cal_cfg_t* cal, int acdb_dev_id,
+        int acdb_device_type, int app_type, int topology_id,
+        int sample_rate, uint32_t module_id, uint32_t param_id, bool persist)
+{
+    int persist_send_flags = 1;
+
+    if (!cal) {
+        return;
+    }
+
+    if (persist)
+        persist_send_flags |= 0x2;
+
+    memset(cal, 0, sizeof(acdb_audio_cal_cfg_t));
+
+    cal->persist = persist;
+    cal->app_type = app_type;
+    cal->acdb_dev_id = acdb_dev_id;
+    cal->sampling_rate = sample_rate;
+    cal->topo_id = topology_id;
+    //if module and param id is set to 0, the whole blob will be stored
+    //or sent to the DSP
+    cal->module_id = module_id;
+    cal->param_id = param_id;
+    cal->cal_type = acdb_device_type;
+    cal->persist = persist;
+
+}
+
+int platform_send_audio_cal(void* platform, int acdb_dev_id,
+       int acdb_device_type, int app_type, int topology_id, int sample_rate,
+       uint32_t module_id, uint32_t param_id, void* data, int length, bool persist)
+{
+    int ret = 0;
+    struct platform_data *my_data = (struct platform_data *)platform;
+    acdb_audio_cal_cfg_t cal;
+    memset(&cal, 0, sizeof(acdb_audio_cal_cfg_t));
+
+    if (!my_data) {
+        ret = -EINVAL;
+        goto ERROR_RETURN;
+    }
+
+    make_cal_cfg(&cal, acdb_dev_id, acdb_device_type, app_type, topology_id,
+        sample_rate, module_id, param_id, true);
+
+    if (my_data->acdb_set_audio_cal) {
+        // persist audio cal in local cache
+        if (persist) {
+            ret = my_data->acdb_set_audio_cal((void*)&cal, data, (uint32_t)length);
+        }
+        // send audio cal to dsp
+        if (ret == 0) {
+            cal.persist = false;
+            ret = my_data->acdb_set_audio_cal((void*)&cal, data, (uint32_t)length);
+            if (persist && (ret != 0)) {
+                ALOGV("[%s] audio cal stored with success, ignore set cal failure", __func__);
+                ret = 0;
+            }
+        }
+    }
+
+ERROR_RETURN:
+    return ret;
+}
+
+int platform_get_audio_cal(void* platform, int acdb_dev_id,
+       int acdb_device_type, int app_type, int topology_id,
+       int sample_rate, uint32_t module_id, uint32_t param_id,
+       void* data, int* length, bool persist)
+{
+    int ret = 0;
+    struct platform_data *my_data = (struct platform_data *)platform;
+    acdb_audio_cal_cfg_t cal;
+    memset(&cal, 0, sizeof(acdb_audio_cal_cfg_t));
+
+    if (!my_data) {
+        ret = -EINVAL;
+        goto ERROR_RETURN;
+    }
+
+    make_cal_cfg(&cal, acdb_dev_id, acdb_device_type, app_type, topology_id,
+        sample_rate, module_id, param_id, false);
+
+    if (my_data->acdb_get_audio_cal) {
+        // get cal from dsp
+        ret = my_data->acdb_get_audio_cal((void*)&cal, data, (uint32_t*)length);
+        // get cached cal if prevoius attempt fails and persist flag is set
+        if ((ret != 0) && persist) {
+            cal.persist = true;
+            ret = my_data->acdb_get_audio_cal((void*)&cal, data, (uint32_t*)length);
+        }
+    }
+
+ERROR_RETURN:
+    return ret;
+}
+
+int platform_store_audio_cal(void* platform, int acdb_dev_id,
+       int acdb_device_type, int app_type, int topology_id,
+       int sample_rate, uint32_t module_id, uint32_t param_id,
+       void* data, int length)
+{
+    int ret = 0;
+    struct platform_data *my_data = (struct platform_data *)platform;
+    acdb_audio_cal_cfg_t cal;
+    memset(&cal, 0, sizeof(acdb_audio_cal_cfg_t));
+
+    if (!my_data) {
+        ret = -EINVAL;
+        goto ERROR_RETURN;
+    }
+
+    make_cal_cfg(&cal, acdb_dev_id, acdb_device_type, app_type, topology_id,
+        sample_rate, module_id, param_id, true);
+
+    if (my_data->acdb_set_audio_cal) {
+        ret = my_data->acdb_set_audio_cal((void*)&cal, data, (uint32_t)length);
+    }
+
+ERROR_RETURN:
+    return ret;
+}
+
+int platform_retrieve_audio_cal(void* platform, int acdb_dev_id,
+        int acdb_device_type, int app_type, int topology_id,
+        int sample_rate, uint32_t module_id, uint32_t param_id,
+        void* data, int* length)
+{
+    int ret = 0;
+    struct platform_data *my_data = (struct platform_data *)platform;
+    acdb_audio_cal_cfg_t cal;
+    memset(&cal, 0, sizeof(acdb_audio_cal_cfg_t));
+
+    if (!my_data) {
+        ret = -EINVAL;
+        goto ERROR_RETURN;
+    }
+
+    make_cal_cfg(&cal, acdb_dev_id, acdb_device_type, app_type, topology_id,
+        sample_rate, module_id, param_id, true);
+
+    if (my_data->acdb_get_audio_cal) {
+        ret = my_data->acdb_get_audio_cal((void*)&cal, data, (uint32_t*)length);
+    }
+
+ERROR_RETURN:
+    return ret;
+}
diff --git a/hal/platform_api.h b/hal/platform_api.h
index 6ca95db..e5f8f8a 100644
--- a/hal/platform_api.h
+++ b/hal/platform_api.h
@@ -160,4 +160,21 @@
 bool platform_check_codec_asrc_support(void *platform);
 int platform_get_backend_index(snd_device_t snd_device);
 int platform_get_ext_disp_type(void *platform);
+
+int platform_send_audio_cal(void* platform, int acdb_dev_id, int acdb_device_type,
+    int app_type, int topology_id, int sample_rate, uint32_t module_id, uint32_t param_id,
+    void* data, int length, bool persist);
+
+int platform_get_audio_cal(void* platform, int acdb_dev_id, int acdb_device_type,
+    int app_type, int topology_id, int sample_rate, uint32_t module_id, uint32_t param_id,
+    void* data, int* length, bool persist);
+
+int platform_store_audio_cal(void* platform, int acdb_dev_id, int acdb_device_type,
+    int app_type, int topology_id, int sample_rate, uint32_t module_id, uint32_t param_id,
+    void* data, int length);
+
+int platform_retrieve_audio_cal(void* platform, int acdb_dev_id, int acdb_device_type,
+    int app_type, int topology_id, int sample_rate, uint32_t module_id, uint32_t param_id,
+    void* data, int* length);
+
 #endif // AUDIO_PLATFORM_API_H