mirror of git://git.sysmocom.de/ofono
238 lines
5.7 KiB
C
238 lines
5.7 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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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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#include <glib.h>
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#include <gatchat.h>
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#include <gatresult.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 "hfpmodem.h"
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#include "slc.h"
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#define HFP_CALL_VOLUME_MAX 15
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static const char *vgs_prefix[] = { "+VGS:", NULL };
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static const char *vgm_prefix[] = { "+VGM:", NULL };
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struct cv_data {
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GAtChat *chat;
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unsigned char sp_volume;
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unsigned char mic_volume;
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guint register_source;
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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 hfp_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 *vd = ofono_call_volume_get_data(data);
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struct cb_data *cbd = cb_data_new(cb, data);
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char buf[64];
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vd->sp_volume = percent;
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snprintf(buf, sizeof(buf), "AT+VGS=%d",
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(int)(percent*HFP_CALL_VOLUME_MAX/100));
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if (g_at_chat_send(vd->chat, buf, vgs_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 hfp_microphone_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 *vd = ofono_call_volume_get_data(data);
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struct cb_data *cbd = cb_data_new(cb, data);
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char buf[64];
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vd->mic_volume = percent;
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snprintf(buf, sizeof(buf), "AT+VGM=%d",
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(int)(percent*HFP_CALL_VOLUME_MAX/100));
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if (g_at_chat_send(vd->chat, buf, vgm_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 vgs_notify(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 *vd = ofono_call_volume_get_data(cv);
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GAtResultIter iter;
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gint value;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+VGS:"))
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return;
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if (!g_at_result_iter_next_number(&iter, &value))
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return;
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vd->sp_volume = (unsigned char)(value*100/HFP_CALL_VOLUME_MAX);
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ofono_call_volume_set_speaker_volume(cv, vd->sp_volume);
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}
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static void vgm_notify(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 *vd = ofono_call_volume_get_data(cv);
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GAtResultIter iter;
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gint value;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+VGM:"))
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return;
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if (!g_at_result_iter_next_number(&iter, &value))
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return;
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vd->mic_volume = (unsigned char)(value*100/HFP_CALL_VOLUME_MAX);
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ofono_call_volume_set_microphone_volume(cv, vd->mic_volume);
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}
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static void sync_speaker_volume_cb(const struct ofono_error *error,
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void *user_data)
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{
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struct ofono_call_volume *cv = user_data;
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struct cv_data *vd = ofono_call_volume_get_data(cv);
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ofono_call_volume_set_speaker_volume(cv, vd->sp_volume);
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}
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static void sync_microphone_volume_cb(const struct ofono_error *error,
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void *user_data)
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{
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struct ofono_call_volume *cv = user_data;
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struct cv_data *vd = ofono_call_volume_get_data(cv);
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ofono_call_volume_set_microphone_volume(cv, vd->mic_volume);
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}
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static gboolean hfp_call_volume_register(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 *vd = ofono_call_volume_get_data(cv);
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DBG("");
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vd->register_source = 0;
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g_at_chat_register(vd->chat, "+VGS:", vgs_notify, FALSE, cv, NULL);
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g_at_chat_register(vd->chat, "+VGM:", vgm_notify, FALSE, cv, NULL);
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/* set sp and mic volume at 50 percents by default */
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hfp_speaker_volume(cv, 50, sync_speaker_volume_cb, cv);
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hfp_microphone_volume(cv, 50, sync_microphone_volume_cb, cv);
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ofono_call_volume_register(cv);
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return FALSE;
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}
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static int hfp_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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struct hfp_slc_info *info = data;
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struct cv_data *vd;
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DBG("");
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vd = g_new0(struct cv_data, 1);
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vd->chat = g_at_chat_clone(info->chat);
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ofono_call_volume_set_data(cv, vd);
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vd->register_source = g_idle_add(hfp_call_volume_register, cv);
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return 0;
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}
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static void hfp_call_volume_remove(struct ofono_call_volume *cv)
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{
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struct cv_data *vd = ofono_call_volume_get_data(cv);
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if (vd->register_source != 0)
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g_source_remove(vd->register_source);
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ofono_call_volume_set_data(cv, NULL);
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g_at_chat_unref(vd->chat);
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g_free(vd);
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}
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static const struct ofono_call_volume_driver driver = {
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.name = "hfpmodem",
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.probe = hfp_call_volume_probe,
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.remove = hfp_call_volume_remove,
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.speaker_volume = hfp_speaker_volume,
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.microphone_volume = hfp_microphone_volume,
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.mute = NULL,
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};
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void hfp_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 hfp_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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