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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 <stdio.h>
#include <glib.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/call-volume.h>
#include "gatchat.h"
#include "gatresult.h"
#include "atmodem.h"
static const char *clvl_prefix[] = { "+CLVL:", NULL };
static const char *cmut_prefix[] = { "+CMUT:", NULL };
static const char *none_prefix[] = { NULL };
struct cv_data {
int clvl_min;
int clvl_max;
GAtChat *chat;
};
static void cmut_query(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_call_volume *cv = user_data;
GAtResultIter iter;
int muted;
if (!ok)
return;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CMUT:"))
return;
if (g_at_result_iter_next_number(&iter, &muted) == FALSE)
return;
ofono_call_volume_set_muted(cv, muted);
}
static void clvl_query(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_call_volume *cv = user_data;
struct cv_data *cvd = ofono_call_volume_get_data(cv);
GAtResultIter iter;
int lvl;
int percent;
if (!ok)
return;
if (cvd->clvl_max == 0 && cvd->clvl_min == 0)
return;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CLVL:"))
return;
if (g_at_result_iter_next_number(&iter, &lvl) == FALSE)
return;
percent = ((lvl - cvd->clvl_min) * 100) /
(cvd->clvl_max - cvd->clvl_min);
ofono_call_volume_set_speaker_volume(cv, percent);
ofono_call_volume_register(cv);
}
static void clvl_range_query(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_call_volume *cv = user_data;
struct cv_data *cvd = ofono_call_volume_get_data(cv);
GAtResultIter iter;
if (!ok)
return;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CLVL:"))
return;
/* Try opening the list, but don't fail */
g_at_result_iter_open_list(&iter);
g_at_result_iter_next_range(&iter, &cvd->clvl_min, &cvd->clvl_max);
g_at_result_iter_close_list(&iter);
}
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 at_call_volume_speaker_volume(struct ofono_call_volume *cv,
unsigned char percent,
ofono_call_volume_cb_t cb,
void *data)
{
struct cv_data *cvd = ofono_call_volume_get_data(cv);
struct cb_data *cbd = cb_data_new(cb, data);
char buf[64];
int level;
level = ((cvd->clvl_max - cvd->clvl_min) *
percent) / 100 + cvd->clvl_min;
snprintf(buf, sizeof(buf), "AT+CLVL=%d", level);
if (g_at_chat_send(cvd->chat, buf, none_prefix,
cv_generic_set_cb, cbd, g_free) > 0)
return;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static void at_call_volume_mute(struct ofono_call_volume *cv, int muted,
ofono_call_volume_cb_t cb, void *data)
{
struct cv_data *cvd = ofono_call_volume_get_data(cv);
struct cb_data *cbd = cb_data_new(cb, data);
char buf[64];
snprintf(buf, sizeof(buf), "AT+CMUT=%d", muted);
if (g_at_chat_send(cvd->chat, buf, none_prefix,
cv_generic_set_cb, cbd, g_free) > 0)
return;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static int at_call_volume_probe(struct ofono_call_volume *cv,
unsigned int vendor, void *data)
{
GAtChat *chat = data;
struct cv_data *cvd;
DBG("%p", cv);
cvd = g_new0(struct cv_data, 1);
cvd->chat = g_at_chat_clone(chat);
ofono_call_volume_set_data(cv, cvd);
g_at_chat_send(cvd->chat, "AT+CMUT?", cmut_prefix,
cmut_query, cv, NULL);
g_at_chat_send(cvd->chat, "AT+CLVL=?", clvl_prefix,
clvl_range_query, cv, NULL);
g_at_chat_send(cvd->chat, "AT+CLVL?", clvl_prefix,
clvl_query, cv, NULL);
/* Generic driver does not support microphone level */
ofono_call_volume_set_microphone_volume(cv, 100);
return 0;
}
static void at_call_volume_remove(struct ofono_call_volume *cv)
{
struct cv_data *cvd = ofono_call_volume_get_data(cv);
ofono_call_volume_set_data(cv, NULL);
g_at_chat_unref(cvd->chat);
g_free(cvd);
}
static struct ofono_call_volume_driver driver = {
.name = "atmodem",
.probe = at_call_volume_probe,
.remove = at_call_volume_remove,
.speaker_volume = at_call_volume_speaker_volume,
.mute = at_call_volume_mute,
};
void at_call_volume_init(void)
{
ofono_call_volume_driver_register(&driver);
}
void at_call_volume_exit(void)
{
ofono_call_volume_driver_unregister(&driver);
}
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