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/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2008-2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <glib.h>
#include <gatchat.h>
#include <gatresult.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/call-volume.h>
#include "hfpmodem.h"
#include "slc.h"
#define HFP_CALL_VOLUME_MAX 15
static const char *vgs_prefix[] = { "+VGS:", NULL };
static const char *vgm_prefix[] = { "+VGM:", NULL };
struct cv_data {
GAtChat *chat;
unsigned char sp_volume;
unsigned char mic_volume;
guint register_source;
};
static void cv_generic_set_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_call_volume_cb_t cb = cbd->cb;
struct ofono_error error;
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
}
static void hfp_speaker_volume(struct ofono_call_volume *cv,
unsigned char percent,
ofono_call_volume_cb_t cb,
void *data)
{
struct cv_data *vd = ofono_call_volume_get_data(data);
struct cb_data *cbd = cb_data_new(cb, data);
char buf[64];
vd->sp_volume = percent;
snprintf(buf, sizeof(buf), "AT+VGS=%d",
(int)(percent*HFP_CALL_VOLUME_MAX/100));
if (g_at_chat_send(vd->chat, buf, vgs_prefix,
cv_generic_set_cb, cbd, g_free) > 0)
return;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static void hfp_microphone_volume(struct ofono_call_volume *cv,
unsigned char percent,
ofono_call_volume_cb_t cb,
void *data)
{
struct cv_data *vd = ofono_call_volume_get_data(data);
struct cb_data *cbd = cb_data_new(cb, data);
char buf[64];
vd->mic_volume = percent;
snprintf(buf, sizeof(buf), "AT+VGM=%d",
(int)(percent*HFP_CALL_VOLUME_MAX/100));
if (g_at_chat_send(vd->chat, buf, vgm_prefix,
cv_generic_set_cb, cbd, g_free) > 0)
return;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static void vgs_notify(GAtResult *result, gpointer user_data)
{
struct ofono_call_volume *cv = user_data;
struct cv_data *vd = ofono_call_volume_get_data(cv);
GAtResultIter iter;
gint value;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+VGS:"))
return;
if (!g_at_result_iter_next_number(&iter, &value))
return;
vd->sp_volume = (unsigned char)(value*100/HFP_CALL_VOLUME_MAX);
ofono_call_volume_set_speaker_volume(cv, vd->sp_volume);
}
static void vgm_notify(GAtResult *result, gpointer user_data)
{
struct ofono_call_volume *cv = user_data;
struct cv_data *vd = ofono_call_volume_get_data(cv);
GAtResultIter iter;
gint value;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+VGM:"))
return;
if (!g_at_result_iter_next_number(&iter, &value))
return;
vd->mic_volume = (unsigned char)(value*100/HFP_CALL_VOLUME_MAX);
ofono_call_volume_set_microphone_volume(cv, vd->mic_volume);
}
static void sync_speaker_volume_cb(const struct ofono_error *error,
void *user_data)
{
struct ofono_call_volume *cv = user_data;
struct cv_data *vd = ofono_call_volume_get_data(cv);
ofono_call_volume_set_speaker_volume(cv, vd->sp_volume);
}
static void sync_microphone_volume_cb(const struct ofono_error *error,
void *user_data)
{
struct ofono_call_volume *cv = user_data;
struct cv_data *vd = ofono_call_volume_get_data(cv);
ofono_call_volume_set_microphone_volume(cv, vd->mic_volume);
}
static gboolean hfp_call_volume_register(gpointer user_data)
{
struct ofono_call_volume *cv = user_data;
struct cv_data *vd = ofono_call_volume_get_data(cv);
DBG("");
vd->register_source = 0;
g_at_chat_register(vd->chat, "+VGS:", vgs_notify, FALSE, cv, NULL);
g_at_chat_register(vd->chat, "+VGM:", vgm_notify, FALSE, cv, NULL);
/* set sp and mic volume at 50 percents by default */
hfp_speaker_volume(cv, 50, sync_speaker_volume_cb, cv);
hfp_microphone_volume(cv, 50, sync_microphone_volume_cb, cv);
ofono_call_volume_register(cv);
return FALSE;
}
static int hfp_call_volume_probe(struct ofono_call_volume *cv,
unsigned int vendor, void *data)
{
struct hfp_slc_info *info = data;
struct cv_data *vd;
DBG("");
vd = g_new0(struct cv_data, 1);
vd->chat = g_at_chat_clone(info->chat);
ofono_call_volume_set_data(cv, vd);
vd->register_source = g_idle_add(hfp_call_volume_register, cv);
return 0;
}
static void hfp_call_volume_remove(struct ofono_call_volume *cv)
{
struct cv_data *vd = ofono_call_volume_get_data(cv);
if (vd->register_source != 0)
g_source_remove(vd->register_source);
ofono_call_volume_set_data(cv, NULL);
g_at_chat_unref(vd->chat);
g_free(vd);
}
static struct ofono_call_volume_driver driver = {
.name = "hfpmodem",
.probe = hfp_call_volume_probe,
.remove = hfp_call_volume_remove,
.speaker_volume = hfp_speaker_volume,
.microphone_volume = hfp_microphone_volume,
.mute = NULL,
};
void hfp_call_volume_init(void)
{
ofono_call_volume_driver_register(&driver);
}
void hfp_call_volume_exit(void)
{
ofono_call_volume_driver_unregister(&driver);
}
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