mirror of git://git.sysmocom.de/ofono
227 lines
5.2 KiB
C
227 lines
5.2 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#define _GNU_SOURCE
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#include <string.h>
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#include <stdio.h>
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#include <glib.h>
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#include <ofono/log.h>
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#include <ofono/modem.h>
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#include <ofono/call-volume.h>
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#include "gatchat.h"
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#include "gatresult.h"
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#include "atmodem.h"
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static const char *clvl_prefix[] = { "+CLVL:", NULL };
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static const char *cmut_prefix[] = { "+CMUT:", NULL };
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static const char *none_prefix[] = { NULL };
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struct cv_data {
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int clvl_min;
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int clvl_max;
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GAtChat *chat;
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};
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static void cmut_query(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct ofono_call_volume *cv = user_data;
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GAtResultIter iter;
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int muted;
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if (!ok)
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return;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CMUT:"))
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return;
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if (g_at_result_iter_next_number(&iter, &muted) == FALSE)
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return;
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ofono_call_volume_set_muted(cv, muted);
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}
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static void clvl_query(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct ofono_call_volume *cv = user_data;
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struct cv_data *cvd = ofono_call_volume_get_data(cv);
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GAtResultIter iter;
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int lvl;
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int percent;
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if (!ok)
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return;
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if (cvd->clvl_max == 0 && cvd->clvl_min == 0)
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return;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CLVL:"))
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return;
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if (g_at_result_iter_next_number(&iter, &lvl) == FALSE)
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return;
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percent = ((lvl - cvd->clvl_min) * 100) /
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(cvd->clvl_max - cvd->clvl_min);
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ofono_call_volume_set_speaker_volume(cv, percent);
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ofono_call_volume_register(cv);
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}
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static void clvl_range_query(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct ofono_call_volume *cv = user_data;
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struct cv_data *cvd = ofono_call_volume_get_data(cv);
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GAtResultIter iter;
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if (!ok)
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return;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CLVL:"))
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return;
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/* Try opening the list, but don't fail */
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g_at_result_iter_open_list(&iter);
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g_at_result_iter_next_range(&iter, &cvd->clvl_min, &cvd->clvl_max);
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g_at_result_iter_close_list(&iter);
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}
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static void cv_generic_set_cb(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_call_volume_cb_t cb = cbd->cb;
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struct ofono_error error;
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decode_at_error(&error, g_at_result_final_response(result));
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cb(&error, cbd->data);
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}
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static void at_call_volume_speaker_volume(struct ofono_call_volume *cv,
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unsigned char percent,
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ofono_call_volume_cb_t cb,
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void *data)
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{
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struct cv_data *cvd = ofono_call_volume_get_data(cv);
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struct cb_data *cbd = cb_data_new(cb, data);
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char buf[64];
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int level;
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level = ((cvd->clvl_max - cvd->clvl_min) *
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percent) / 100 + cvd->clvl_min;
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snprintf(buf, sizeof(buf), "AT+CLVL=%d", level);
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if (g_at_chat_send(cvd->chat, buf, none_prefix,
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cv_generic_set_cb, cbd, g_free) > 0)
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return;
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, data);
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}
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static void at_call_volume_mute(struct ofono_call_volume *cv, int muted,
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ofono_call_volume_cb_t cb, void *data)
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{
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struct cv_data *cvd = ofono_call_volume_get_data(cv);
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struct cb_data *cbd = cb_data_new(cb, data);
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char buf[64];
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snprintf(buf, sizeof(buf), "AT+CMUT=%d", muted);
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if (g_at_chat_send(cvd->chat, buf, none_prefix,
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cv_generic_set_cb, cbd, g_free) > 0)
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return;
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, data);
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}
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static int at_call_volume_probe(struct ofono_call_volume *cv,
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unsigned int vendor, void *data)
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{
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GAtChat *chat = data;
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struct cv_data *cvd;
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DBG("%p", cv);
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cvd = g_new0(struct cv_data, 1);
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cvd->chat = g_at_chat_clone(chat);
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ofono_call_volume_set_data(cv, cvd);
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g_at_chat_send(cvd->chat, "AT+CMUT?", cmut_prefix,
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cmut_query, cv, NULL);
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g_at_chat_send(cvd->chat, "AT+CLVL=?", clvl_prefix,
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clvl_range_query, cv, NULL);
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g_at_chat_send(cvd->chat, "AT+CLVL?", clvl_prefix,
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clvl_query, cv, NULL);
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/* Generic driver does not support microphone level */
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ofono_call_volume_set_microphone_volume(cv, 100);
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return 0;
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}
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static void at_call_volume_remove(struct ofono_call_volume *cv)
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{
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struct cv_data *cvd = ofono_call_volume_get_data(cv);
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ofono_call_volume_set_data(cv, NULL);
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g_at_chat_unref(cvd->chat);
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g_free(cvd);
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}
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static struct ofono_call_volume_driver driver = {
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.name = "atmodem",
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.probe = at_call_volume_probe,
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.remove = at_call_volume_remove,
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.speaker_volume = at_call_volume_speaker_volume,
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.mute = at_call_volume_mute,
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};
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void at_call_volume_init(void)
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{
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ofono_call_volume_driver_register(&driver);
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}
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void at_call_volume_exit(void)
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{
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ofono_call_volume_driver_unregister(&driver);
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}
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