post_proc: clean up stale audiosphere implementation

Now that we have GEF based implementation, clean up stale one.

CRs-Fixed: 2484430
Change-Id: I7dcad43401650c51e637fce202f5b45d40b3852e
diff --git a/post_proc/Android.mk b/post_proc/Android.mk
index 6b1afd3..fb42514 100644
--- a/post_proc/Android.mk
+++ b/post_proc/Android.mk
@@ -30,8 +30,7 @@
         virtualizer.c \
         reverb.c \
         effect_api.c \
-        effect_util.c \
-        asphere.c
+        effect_util.c
 
 # HW_ACCELERATED has been disabled by default since msm8996. File doesn't
 # compile cleanly on tip so don't want to include it, but keeping this
diff --git a/post_proc/Makefile.am b/post_proc/Makefile.am
index bd29473..8bd41ae 100644
--- a/post_proc/Makefile.am
+++ b/post_proc/Makefile.am
@@ -19,10 +19,6 @@
 c_sources += hw_accelerator.c
 endif
 
-if AUDIOSPHERE
-c_sources += asphere.c
-endif
-
 library_include_HEADERS = $(h_sources)
 library_includedir = $(includedir)
 
diff --git a/post_proc/asphere.c b/post_proc/asphere.c
deleted file mode 100644
index efe07c6..0000000
--- a/post_proc/asphere.c
+++ /dev/null
@@ -1,323 +0,0 @@
-/* Copyright (c) 2015, 2017, 2019 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_pp_asphere"
-/*#define LOG_NDEBUG 0*/
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdbool.h>
-#include <sys/stat.h>
-#include <log/log.h>
-#include <cutils/list.h>
-#include <cutils/str_parms.h>
-#include <cutils/properties.h>
-#include <hardware/audio_effect.h>
-#include <pthread.h>
-#include "bundle.h"
-#include "equalizer.h"
-#include "bass_boost.h"
-#include "virtualizer.h"
-#include "reverb.h"
-#include "asphere.h"
-
-#define ASPHERE_MIXER_NAME  "MSM ASphere Set Param"
-
-#define AUDIO_PARAMETER_KEY_ASPHERE_STATUS  "asphere_status"
-#define AUDIO_PARAMETER_KEY_ASPHERE_ENABLE   "asphere_enable"
-#define AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH "asphere_strength"
-
-#define AUDIO_ASPHERE_EVENT_NODE "/data/misc/audio_pp/event_node"
-
-enum {
-    ASPHERE_ACTIVE = 0,
-    ASPHERE_SUSPENDED,
-    ASPHERE_ERROR
-};
-
-#ifdef AUDIO_FEATURE_ENABLED_GCOV
-extern void  __gcov_flush();
-static void enable_gcov()
-{
-    __gcov_flush();
-}
-#else
-static void enable_gcov()
-{
-}
-#endif
-
-struct asphere_module {
-    bool enabled;
-    int status;
-    int strength;
-    pthread_mutex_t lock;
-    int init_status;
-};
-
-static struct asphere_module asphere;
-pthread_once_t asphere_once = PTHREAD_ONCE_INIT;
-
-static int asphere_create_app_notification_node(void)
-{
-    int fd;
-    if ((fd = open(AUDIO_ASPHERE_EVENT_NODE, O_CREAT|O_TRUNC|O_WRONLY,
-                            S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)) < 0) {
-        ALOGE("creating notification node failed %d", errno);
-        return -EINVAL;
-    }
-    chmod(AUDIO_ASPHERE_EVENT_NODE, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH);
-    close(fd);
-    ALOGD("%s: successfully created notification node %s",
-                               __func__, AUDIO_ASPHERE_EVENT_NODE);
-    return 0;
-}
-
-static int asphere_notify_app(void)
-{
-    int fd;
-    if ((fd = open(AUDIO_ASPHERE_EVENT_NODE, O_TRUNC|O_WRONLY)) < 0) {
-        ALOGE("opening notification node failed %d", errno);
-        return -EINVAL;
-    }
-    close(fd);
-    ALOGD("%s: successfully opened notification node", __func__);
-    return 0;
-}
-
-static int asphere_get_values_from_mixer(void)
-{
-    int ret = 0;
-    long val[2] = {-1, -1};
-    struct mixer_ctl *ctl = NULL;
-    struct mixer *mixer = mixer_open(MIXER_CARD);
-    if (mixer)
-        ctl = mixer_get_ctl_by_name(mixer, ASPHERE_MIXER_NAME);
-    if (!ctl) {
-        ALOGE("%s: could not get ctl for mixer cmd - %s",
-              __func__, ASPHERE_MIXER_NAME);
-        return -EINVAL;
-    }
-    ret = mixer_ctl_get_array(ctl, val, sizeof(val)/sizeof(val[0]));
-    if (!ret) {
-        asphere.enabled = (val[0] == 0) ? false : true;
-        asphere.strength = val[1];
-    }
-    ALOGD("%s: returned %d, enabled:%ld, strength:%ld",
-          __func__, ret, val[0], val[1]);
-
-    return ret;
-}
-
-static int asphere_set_values_to_mixer(void)
-{
-    int ret = 0;
-    long val[2] = {-1, -1};
-    struct mixer_ctl *ctl = NULL;
-    struct mixer *mixer = mixer_open(MIXER_CARD);
-    if (mixer)
-        ctl = mixer_get_ctl_by_name(mixer, ASPHERE_MIXER_NAME);
-    if (!ctl) {
-        ALOGE("%s: could not get ctl for mixer cmd - %s",
-              __func__, ASPHERE_MIXER_NAME);
-        return -EINVAL;
-    }
-    val[0] = ((asphere.status == ASPHERE_ACTIVE) && asphere.enabled) ? 1 : 0;
-    val[1] = asphere.strength;
-
-    ret = mixer_ctl_set_array(ctl, val, sizeof(val)/sizeof(val[0]));
-    ALOGD("%s: returned %d, enabled:%ld, strength:%ld",
-          __func__, ret, val[0], val[1]);
-
-    return ret;
-}
-
-static void asphere_init_once() {
-    ALOGD("%s", __func__);
-    pthread_mutex_init(&asphere.lock, NULL);
-
-    if (property_get_bool("vendor.audio.feature.audio_sphere.enable", false)) {
-        asphere.init_status = 1;
-        asphere_get_values_from_mixer();
-        asphere_create_app_notification_node();
-        return;
-    } else {
-        ALOGW("%s: asphere feature not enabled", __func__);
-    }
-
-    asphere.init_status = 0;
-}
-
-static int asphere_init() {
-    pthread_once(&asphere_once, asphere_init_once);
-    enable_gcov();
-    return asphere.init_status;
-}
-
-static bool asphere_parms_allowed(struct str_parms *parms)
-{
-    if (str_parms_has_key(parms, AUDIO_PARAMETER_KEY_ASPHERE_ENABLE))
-        return true;
-    if (str_parms_has_key(parms, AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH))
-        return true;
-    if (str_parms_has_key(parms, AUDIO_PARAMETER_KEY_ASPHERE_STATUS))
-        return true;
-
-    return false;
-}
-
-void asphere_set_parameters(struct str_parms *parms)
-{
-    int ret = 0;
-    bool enable = false;
-    int strength = -1;
-    char value[32] = {0};
-    bool set_enable = false, set_strength = false;
-
-    if (!asphere_parms_allowed(parms)) {
-        return;
-    }
-
-    if (asphere_init() != 1) {
-        ALOGW("%s: init check failed!!!", __func__);
-        return;
-    }
-
-    ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_ASPHERE_ENABLE,
-                                                  value, sizeof(value));
-    if (ret > 0) {
-        enable = (atoi(value) == 1) ? true : false;
-        set_enable = true;
-    }
-
-    ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH,
-                                                   value, sizeof(value));
-    if (ret > 0) {
-        strength = atoi(value);
-        if (strength >= 0 && strength <= 1000)
-            set_strength = true;
-    }
-
-    if (set_enable || set_strength) {
-        pthread_mutex_lock(&asphere.lock);
-        asphere.enabled = set_enable ? enable : asphere.enabled;
-        asphere.strength = set_strength ? strength : asphere.strength;
-        ret = asphere_set_values_to_mixer();
-        pthread_mutex_unlock(&asphere.lock);
-        ALOGV("%s: exit ret %d", __func__, ret);
-    }
-}
-
-void asphere_get_parameters(struct str_parms *query,
-                                      struct str_parms *reply)
-{
-    char value[32] = {0};
-    int ret;
-
-    if (asphere_init() != 1) {
-        ALOGW("%s: init check failed!!!", __func__);
-        return;
-    }
-
-    ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_ASPHERE_STATUS,
-                                                 value, sizeof(value));
-    if (ret >= 0) {
-        str_parms_add_int(reply, AUDIO_PARAMETER_KEY_ASPHERE_STATUS,
-                                                     asphere.status);
-    }
-
-    ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_ASPHERE_ENABLE,
-                                                 value, sizeof(value));
-    if (ret >= 0) {
-        str_parms_add_int(reply, AUDIO_PARAMETER_KEY_ASPHERE_ENABLE,
-                                              asphere.enabled ? 1 : 0);
-    }
-
-    ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH,
-                                                  value, sizeof(value));
-    if (ret >= 0) {
-        str_parms_add_int(reply, AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH,
-                                                     asphere.strength);
-    }
-}
-
-static bool effect_needs_asphere_concurrency_handling(effect_context_t *context)
-{
-    if (memcmp(&context->desc->type,
-                &equalizer_descriptor.type, sizeof(effect_uuid_t)) == 0 ||
-        memcmp(&context->desc->type,
-                &bassboost_descriptor.type, sizeof(effect_uuid_t)) == 0 ||
-        memcmp(&context->desc->type,
-                &virtualizer_descriptor.type, sizeof(effect_uuid_t)) == 0 ||
-        memcmp(&context->desc->type,
-                &ins_preset_reverb_descriptor.type, sizeof(effect_uuid_t)) == 0 ||
-        memcmp(&context->desc->type,
-                &ins_env_reverb_descriptor.type, sizeof(effect_uuid_t)) == 0)
-        return true;
-
-    return false;
-}
-
-void handle_asphere_on_effect_enabled(bool enable,
-                                      effect_context_t *context,
-                                      struct listnode *created_effects)
-{
-    struct listnode *node;
-
-    ALOGV("%s: effect %0x", __func__, context->desc->type.timeLow);
-    if (asphere_init() != 1) {
-        ALOGW("%s: init check failed!!!", __func__);
-        return;
-    }
-
-    if (!effect_needs_asphere_concurrency_handling(context)) {
-        ALOGV("%s: effect %0x, do not need concurrency handling",
-                                 __func__, context->desc->type.timeLow);
-        return;
-    }
-
-    list_for_each(node, created_effects) {
-        effect_context_t *fx_ctxt = node_to_item(node,
-                                                 effect_context_t,
-                                                 effects_list_node);
-        if (fx_ctxt != NULL &&
-            effect_needs_asphere_concurrency_handling(fx_ctxt) == true &&
-            fx_ctxt != context && effect_is_active(fx_ctxt) == true) {
-            ALOGV("%s: found another effect %0x, skip processing %0x", __func__,
-                      fx_ctxt->desc->type.timeLow, context->desc->type.timeLow);
-            return;
-        }
-    }
-    pthread_mutex_lock(&asphere.lock);
-    asphere.status = enable ? ASPHERE_SUSPENDED : ASPHERE_ACTIVE;
-    asphere_set_values_to_mixer();
-    asphere_notify_app();
-    pthread_mutex_unlock(&asphere.lock);
-}
diff --git a/post_proc/asphere.h b/post_proc/asphere.h
deleted file mode 100644
index 3babd1d..0000000
--- a/post_proc/asphere.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* Copyright (c) 2015, 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.
- *
- */
-
-#ifndef OFFLOAD_ASPHERE_H_
-#define OFFLOAD_ASPHERE_H_
-
-#include <cutils/str_parms.h>
-#include <cutils/list.h>
-#include "bundle.h"
-
-void asphere_get_parameters(struct str_parms *query,
-                            struct str_parms *reply);
-void asphere_set_parameters(struct str_parms *reply);
-void handle_asphere_on_effect_enabled(bool enable,
-                                      effect_context_t *context,
-                                      struct listnode *created_effects);
-
-#endif /* OFFLOAD_ASPHERE_H_ */
diff --git a/post_proc/bundle.c b/post_proc/bundle.c
index 1e6b91d..0dbf27b 100644
--- a/post_proc/bundle.c
+++ b/post_proc/bundle.c
@@ -40,6 +40,7 @@
 
 #include <stdlib.h>
 #include <cutils/list.h>
+#include <cutils/str_parms.h>
 #include <log/log.h>
 #include <system/thread_defs.h>
 #include <tinyalsa/asoundlib.h>
@@ -53,7 +54,6 @@
 #include "bass_boost.h"
 #include "virtualizer.h"
 #include "reverb.h"
-#include "asphere.h"
 
 #ifdef DTS_EAGLE
 #include "effect_util.h"
@@ -455,20 +455,16 @@
 
 /*
  * Effect Bundle Set and get param operations.
- * currently only handles audio sphere scenario,
- * but the interface itself can be utilized for any effect.
  */
 __attribute__ ((visibility ("default")))
-void offload_effects_bundle_get_parameters(struct str_parms *query,
-                                           struct str_parms *reply)
+void offload_effects_bundle_get_parameters(struct str_parms *query __unused,
+                                           struct str_parms *reply __unused)
 {
-    asphere_get_parameters(query, reply);
 }
 
 __attribute__ ((visibility ("default")))
-void offload_effects_bundle_set_parameters(struct str_parms *parms)
+void offload_effects_bundle_set_parameters(struct str_parms *parms __unused)
 {
-    asphere_set_parameters(parms);
 }
 
 /*
@@ -826,7 +822,6 @@
             status = -ENOSYS;
             goto exit;
         }
-        handle_asphere_on_effect_enabled(true, context, &created_effects_list);
         context->state = EFFECT_STATE_ACTIVE;
         if (context->ops.enable)
             context->ops.enable(context);
@@ -841,7 +836,6 @@
             status = -ENOSYS;
             goto exit;
         }
-        handle_asphere_on_effect_enabled(false, context, &created_effects_list);
         context->state = EFFECT_STATE_INITIALIZED;
         if (context->ops.disable)
             context->ops.disable(context);