| /* |
| * 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 |