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/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