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/*
* Copyright (C) 2012 Paul Kocialkowski <contact@paulk.fr>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define LOG_TAG "TinyALSA-Audio RIL Interface"
#include <stdlib.h>
#include <errno.h>
#include <pthread.h>
#include <stdint.h>
#include <dlfcn.h>
#include <sys/time.h>
#include <cutils/log.h>
#define EFFECT_UUID_NULL EFFECT_UUID_NULL_RIL
#define EFFECT_UUID_NULL_STR EFFECT_UUID_NULL_STR_RIL
#include "audio_hw.h"
#include "include/audio_ril_interface.h"
#include "audio_ril_interface.h"
int audio_ril_interface_set_mic_mute(struct tinyalsa_audio_ril_interface *ril_interface, bool state)
{
int rc;
if(ril_interface == NULL)
return -1;
ALOGD("%s(%d)", __func__, state);
pthread_mutex_lock(&ril_interface->lock);
if(ril_interface->interface->mic_mute == NULL)
goto error;
rc = ril_interface->interface->mic_mute(ril_interface->interface->pdata, (int) state);
if(rc < 0) {
ALOGE("Failed to set RIL interface mic mute");
goto error;
}
pthread_mutex_unlock(&ril_interface->lock);
return 0;
error:
pthread_mutex_unlock(&ril_interface->lock);
return -1;
}
int audio_ril_interface_set_voice_volume(struct tinyalsa_audio_ril_interface *ril_interface,
audio_devices_t device, float volume)
{
int rc;
if(ril_interface == NULL)
return -1;
ALOGD("%s(%d, %f)", __func__, device, volume);
pthread_mutex_lock(&ril_interface->lock);
if(ril_interface->interface->voice_volume == NULL)
goto error;
rc = ril_interface->interface->voice_volume(ril_interface->interface->pdata, device, volume);
if(rc < 0) {
ALOGE("Failed to set RIL interface voice volume");
goto error;
}
pthread_mutex_unlock(&ril_interface->lock);
return 0;
error:
pthread_mutex_unlock(&ril_interface->lock);
return -1;
}
int audio_ril_interface_set_route(struct tinyalsa_audio_ril_interface *ril_interface, audio_devices_t device)
{
int rc;
ALOGD("%s(%d)", __func__, device);
if(ril_interface == NULL)
return -1;
pthread_mutex_lock(&ril_interface->lock);
ril_interface->device_current = device;
if(ril_interface->interface->route == NULL)
goto error;
rc = ril_interface->interface->route(ril_interface->interface->pdata, device);
if(rc < 0) {
ALOGE("Failed to set RIL interface route");
goto error;
}
pthread_mutex_unlock(&ril_interface->lock);
return 0;
error:
pthread_mutex_unlock(&ril_interface->lock);
return -1;
}
/*
* Interface
*/
void audio_ril_interface_close(struct audio_hw_device *dev,
struct tinyalsa_audio_ril_interface *ril_interface)
{
void (*audio_ril_interface_close)(struct audio_ril_interface *interface);
struct tinyalsa_audio_device *tinyalsa_audio_device;
ALOGD("%s(%p)", __func__, ril_interface);
if(ril_interface->dl_handle != NULL) {
audio_ril_interface_close = (void (*)(struct audio_ril_interface *interface))
dlsym(ril_interface->dl_handle, "audio_ril_interface_close");
if(audio_ril_interface_close == NULL) {
ALOGE("Unable to get close function from: %s", AUDIO_RIL_INTERFACE_LIB);
} else {
audio_ril_interface_close(ril_interface->interface);
}
dlclose(ril_interface->dl_handle);
ril_interface->dl_handle = NULL;
}
if(ril_interface != NULL)
free(ril_interface);
if(dev == NULL)
return;
tinyalsa_audio_device = (struct tinyalsa_audio_device *) dev;
tinyalsa_audio_device->ril_interface = NULL;
}
int audio_ril_interface_open(struct audio_hw_device *dev, audio_devices_t device,
struct tinyalsa_audio_ril_interface **ril_interface)
{
struct audio_ril_interface *(*audio_ril_interface_open)(void);
struct tinyalsa_audio_device *tinyalsa_audio_device;
struct tinyalsa_audio_ril_interface *tinyalsa_audio_ril_interface;
struct audio_ril_interface *interface;
void *dl_handle;
int rc;
ALOGD("%s(%p, %d, %p)", __func__, dev, device, ril_interface);
if(dev == NULL || ril_interface == NULL)
return -EINVAL;
tinyalsa_audio_device = (struct tinyalsa_audio_device *) dev;
tinyalsa_audio_ril_interface = calloc(1, sizeof(struct tinyalsa_audio_ril_interface));
if(tinyalsa_audio_ril_interface == NULL)
return -ENOMEM;
tinyalsa_audio_ril_interface->device = tinyalsa_audio_device;
tinyalsa_audio_device->ril_interface = tinyalsa_audio_ril_interface;
dl_handle = dlopen(AUDIO_RIL_INTERFACE_LIB, RTLD_NOW);
if(dl_handle == NULL) {
ALOGE("Unable to dlopen lib: %s", AUDIO_RIL_INTERFACE_LIB);
goto error_interface;
}
audio_ril_interface_open = (struct audio_ril_interface *(*)(void))
dlsym(dl_handle, "audio_ril_interface_open");
if(audio_ril_interface_open == NULL) {
ALOGE("Unable to get open function from: %s", AUDIO_RIL_INTERFACE_LIB);
goto error_interface;
}
interface = audio_ril_interface_open();
if(interface == NULL) {
ALOGE("Unable to open audio ril interface");
goto error_interface;
}
tinyalsa_audio_ril_interface->interface = interface;
tinyalsa_audio_ril_interface->dl_handle = dl_handle;
if(device) {
tinyalsa_audio_ril_interface->device_current = device;
audio_ril_interface_set_route(tinyalsa_audio_ril_interface, device);
}
*ril_interface = tinyalsa_audio_ril_interface;
return 0;
error_interface:
*ril_interface = NULL;
free(tinyalsa_audio_ril_interface);
tinyalsa_audio_device->ril_interface = NULL;
if(dl_handle != NULL)
dlclose(dl_handle);
return -1;
}
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