audio: msm8909w caf release LW.BR.1.0-00410-8x09w.0

MSM8909w Audio HAL code copied from CAF release
LW.BR.1.0-00410-8x09w.0

dbcce50 hal: Port wcd9326 changes to 8909
410c530 hal: update error handling for pcm_prepare failures
ff79309 hal: fix compilation issues with audio FM extention
762d7eb policy_hal: add support for fm device loopback
7c418f9 audio_policy: modify few methods to appropriately override base
8b12163 audio: Add support to enable split A2DP
a0559fa Revert "Revert "policy_hal: Function prototype correction for custom policy"."

Fixed makefiles to be compatible with PDK without kernel source

Change-Id: I9c6f2139adee62426b877516deeb41d4ed8052b2

1 files changed, 358 insertions, 0 deletions

diff --git a/msm8909/hal/audio_extn/soundtrigger.c b/msm8909/hal/audio_extn/soundtrigger.c
new file mode 100644
index 00000000..5f4c6bab
--- /dev/null
+++ b/msm8909/hal/audio_extn/soundtrigger.c
@@ -0,0 +1,358 @@
+/* Copyright (c) 2013-2014, 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 "soundtrigger"
+/* #define LOG_NDEBUG 0 */
+#define LOG_NDDEBUG 0
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <dlfcn.h>
+#include <cutils/log.h>
+#include "audio_hw.h"
+#include "audio_extn.h"
+#include "platform.h"
+#include "platform_api.h"
+#include "sound_trigger_prop_intf.h"
+
+#define XSTR(x) STR(x)
+#define STR(x) #x
+
+struct sound_trigger_info  {
+    struct sound_trigger_session_info st_ses;
+    bool lab_stopped;
+    struct listnode list;
+};
+
+struct sound_trigger_audio_device {
+    void *lib_handle;
+    struct audio_device *adev;
+    sound_trigger_hw_call_back_t st_callback;
+    struct listnode st_ses_list;
+    pthread_mutex_t lock;
+};
+
+static struct sound_trigger_audio_device *st_dev;
+
+static struct sound_trigger_info *
+get_sound_trigger_info(int capture_handle)
+{
+    struct sound_trigger_info  *st_ses_info = NULL;
+    struct listnode *node;
+    ALOGD("%s: list %d capture_handle %d", __func__,
+           list_empty(&st_dev->st_ses_list), capture_handle);
+    list_for_each(node, &st_dev->st_ses_list) {
+        st_ses_info = node_to_item(node, struct sound_trigger_info , list);
+        if (st_ses_info->st_ses.capture_handle == capture_handle)
+            return st_ses_info;
+    }
+    return NULL;
+}
+
+int audio_hw_call_back(sound_trigger_event_type_t event,
+                       sound_trigger_event_info_t* config)
+{
+    int status = 0;
+    struct sound_trigger_info  *st_ses_info;
+
+    if (!st_dev)
+       return -EINVAL;
+
+    pthread_mutex_lock(&st_dev->lock);
+    switch (event) {
+    case ST_EVENT_SESSION_REGISTER:
+        if (!config) {
+            ALOGE("%s: NULL config", __func__);
+            status = -EINVAL;
+            break;
+        }
+        st_ses_info= calloc(1, sizeof(struct sound_trigger_info ));
+        if (!st_ses_info) {
+            ALOGE("%s: st_ses_info alloc failed", __func__);
+            status = -ENOMEM;
+            break;
+        }
+        memcpy(&st_ses_info->st_ses, &config->st_ses, sizeof (config->st_ses));
+        ALOGV("%s: add capture_handle %d pcm %p", __func__,
+              st_ses_info->st_ses.capture_handle, st_ses_info->st_ses.pcm);
+        list_add_tail(&st_dev->st_ses_list, &st_ses_info->list);
+        break;
+
+    case ST_EVENT_SESSION_DEREGISTER:
+        if (!config) {
+            ALOGE("%s: NULL config", __func__);
+            status = -EINVAL;
+            break;
+        }
+        st_ses_info = get_sound_trigger_info(config->st_ses.capture_handle);
+        if (!st_ses_info) {
+            ALOGE("%s: pcm %p not in the list!", __func__, config->st_ses.pcm);
+            status = -EINVAL;
+            break;
+        }
+        ALOGV("%s: remove capture_handle %d pcm %p", __func__,
+              st_ses_info->st_ses.capture_handle, st_ses_info->st_ses.pcm);
+        list_remove(&st_ses_info->list);
+        free(st_ses_info);
+        break;
+    default:
+        ALOGW("%s: Unknown event %d", __func__, event);
+        break;
+    }
+    pthread_mutex_unlock(&st_dev->lock);
+    return status;
+}
+
+void audio_extn_sound_trigger_stop_lab(struct stream_in *in)
+{
+    int status = 0;
+    struct sound_trigger_info  *st_ses_info = NULL;
+    audio_event_info_t event;
+
+    if (!st_dev || !in)
+       return;
+
+    pthread_mutex_lock(&st_dev->lock);
+    st_ses_info = get_sound_trigger_info(in->capture_handle);
+    pthread_mutex_unlock(&st_dev->lock);
+    if (st_ses_info) {
+        event.u.ses_info = st_ses_info->st_ses;
+        ALOGV("%s: AUDIO_EVENT_STOP_LAB pcm %p", __func__, st_ses_info->st_ses.pcm);
+        st_dev->st_callback(AUDIO_EVENT_STOP_LAB, &event);
+    }
+}
+void audio_extn_sound_trigger_check_and_get_session(struct stream_in *in)
+{
+    struct sound_trigger_info  *st_ses_info = NULL;
+    struct listnode *node;
+
+    if (!st_dev || !in)
+       return;
+
+    pthread_mutex_lock(&st_dev->lock);
+    in->is_st_session = false;
+    ALOGV("%s: list %d capture_handle %d", __func__,
+          list_empty(&st_dev->st_ses_list), in->capture_handle);
+    list_for_each(node, &st_dev->st_ses_list) {
+        st_ses_info = node_to_item(node, struct sound_trigger_info , list);
+        if (st_ses_info->st_ses.capture_handle == in->capture_handle) {
+            in->pcm = st_ses_info->st_ses.pcm;
+            in->config = st_ses_info->st_ses.config;
+            in->channel_mask = audio_channel_in_mask_from_count(in->config.channels);
+            in->is_st_session = true;
+            ALOGD("%s: capture_handle %d is sound trigger", __func__, in->capture_handle);
+            break;
+        }
+    }
+    pthread_mutex_unlock(&st_dev->lock);
+}
+
+void audio_extn_sound_trigger_update_device_status(snd_device_t snd_device,
+                                     st_event_type_t event)
+{
+    bool raise_event = false;
+    int device_type = -1;
+
+    if (!st_dev)
+       return;
+
+    if (snd_device >= SND_DEVICE_OUT_BEGIN &&
+        snd_device < SND_DEVICE_OUT_END)
+        device_type = PCM_PLAYBACK;
+    else if (snd_device >= SND_DEVICE_IN_BEGIN &&
+        snd_device < SND_DEVICE_IN_END)
+        device_type = PCM_CAPTURE;
+    else {
+        ALOGE("%s: invalid device 0x%x, for event %d",
+                           __func__, snd_device, event);
+        return;
+    }
+
+    raise_event = platform_sound_trigger_device_needs_event(snd_device);
+    ALOGI("%s: device 0x%x of type %d for Event %d, with Raise=%d",
+        __func__, snd_device, device_type, event, raise_event);
+    if (raise_event && (device_type == PCM_CAPTURE)) {
+        switch(event) {
+        case ST_EVENT_SND_DEVICE_FREE:
+            st_dev->st_callback(AUDIO_EVENT_CAPTURE_DEVICE_INACTIVE, NULL);
+            break;
+        case ST_EVENT_SND_DEVICE_BUSY:
+            st_dev->st_callback(AUDIO_EVENT_CAPTURE_DEVICE_ACTIVE, NULL);
+            break;
+        default:
+            ALOGW("%s:invalid event %d for device 0x%x",
+                                  __func__, event, snd_device);
+        }
+    }/*Events for output device, if required can be placed here in else*/
+}
+
+void audio_extn_sound_trigger_update_stream_status(struct audio_usecase *uc_info,
+                                     st_event_type_t event)
+{
+    bool raise_event = false;
+    audio_usecase_t uc_id;
+    int usecase_type = -1;
+
+    if (!st_dev) {
+        return;
+    }
+
+    if (uc_info == NULL) {
+        ALOGE("%s: usecase is NULL!!!", __func__);
+        return;
+    }
+    uc_id = uc_info->id;
+    usecase_type = uc_info->type;
+
+    raise_event = platform_sound_trigger_usecase_needs_event(uc_id);
+    ALOGD("%s: uc_id %d of type %d for Event %d, with Raise=%d",
+        __func__, uc_id, usecase_type, event, raise_event);
+    if (raise_event && (usecase_type == PCM_PLAYBACK)) {
+        switch(event) {
+        case ST_EVENT_STREAM_FREE:
+            st_dev->st_callback(AUDIO_EVENT_PLAYBACK_STREAM_INACTIVE, NULL);
+            break;
+        case ST_EVENT_STREAM_BUSY:
+            st_dev->st_callback(AUDIO_EVENT_PLAYBACK_STREAM_ACTIVE, NULL);
+            break;
+        default:
+            ALOGW("%s:invalid event %d, for usecase %d",
+                                  __func__, event, uc_id);
+        }
+    }/*Events for capture usecase, if required can be placed here in else*/
+}
+
+void audio_extn_sound_trigger_set_parameters(struct audio_device *adev __unused,
+                               struct str_parms *params)
+{
+    audio_event_info_t event;
+    char value[32];
+    int ret, val;
+
+    if(!st_dev || !params) {
+        ALOGE("%s: str_params NULL", __func__);
+        return;
+    }
+
+    ret = str_parms_get_str(params, "SND_CARD_STATUS", value,
+                            sizeof(value));
+    if (ret > 0) {
+        if (strstr(value, "OFFLINE")) {
+            event.u.status = SND_CARD_STATUS_OFFLINE;
+            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
+        }
+        else if (strstr(value, "ONLINE")) {
+            event.u.status = SND_CARD_STATUS_ONLINE;
+            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
+        }
+        else
+            ALOGE("%s: unknown snd_card_status", __func__);
+    }
+
+    ret = str_parms_get_str(params, "CPE_STATUS", value, sizeof(value));
+    if (ret > 0) {
+        if (strstr(value, "OFFLINE")) {
+            event.u.status = CPE_STATUS_OFFLINE;
+            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
+        }
+        else if (strstr(value, "ONLINE")) {
+            event.u.status = CPE_STATUS_ONLINE;
+            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
+        }
+        else
+            ALOGE("%s: unknown CPE status", __func__);
+    }
+
+    ret = str_parms_get_int(params, "SVA_NUM_SESSIONS", &val);
+    if (ret >= 0) {
+        event.u.value = val;
+        st_dev->st_callback(AUDIO_EVENT_NUM_ST_SESSIONS, &event);
+    }
+}
+
+int audio_extn_sound_trigger_init(struct audio_device *adev)
+{
+    int status = 0;
+    char sound_trigger_lib[100];
+    void *lib_handle;
+
+    ALOGI("%s: Enter", __func__);
+
+    st_dev = (struct sound_trigger_audio_device*)
+                        calloc(1, sizeof(struct sound_trigger_audio_device));
+    if (!st_dev) {
+        ALOGE("%s: ERROR. sound trigger alloc failed", __func__);
+        return -ENOMEM;
+    }
+
+    snprintf(sound_trigger_lib, sizeof(sound_trigger_lib),
+             "/system/vendor/lib/hw/sound_trigger.primary.%s.so",
+              XSTR(SOUND_TRIGGER_PLATFORM_NAME));
+
+    st_dev->lib_handle = dlopen(sound_trigger_lib, RTLD_NOW);
+
+    if (st_dev->lib_handle == NULL) {
+        ALOGE("%s: DLOPEN failed for %s. error = %s", __func__, sound_trigger_lib,
+                dlerror());
+        status = -EINVAL;
+        goto cleanup;
+    }
+    ALOGI("%s: DLOPEN successful for %s", __func__, sound_trigger_lib);
+
+    st_dev->st_callback = (sound_trigger_hw_call_back_t)
+              dlsym(st_dev->lib_handle, "sound_trigger_hw_call_back");
+
+    if (st_dev->st_callback == NULL) {
+       ALOGE("%s: ERROR. dlsym Error:%s sound_trigger_hw_call_back", __func__,
+               dlerror());
+       goto cleanup;
+    }
+
+    st_dev->adev = adev;
+    list_init(&st_dev->st_ses_list);
+
+    return 0;
+
+cleanup:
+    if (st_dev->lib_handle)
+        dlclose(st_dev->lib_handle);
+    free(st_dev);
+    st_dev = NULL;
+    return status;
+
+}
+
+void audio_extn_sound_trigger_deinit(struct audio_device *adev)
+{
+    ALOGI("%s: Enter", __func__);
+    if (st_dev && (st_dev->adev == adev) && st_dev->lib_handle) {
+        dlclose(st_dev->lib_handle);
+        free(st_dev);
+        st_dev = NULL;
+    }
+}