mirror of git://git.sysmocom.de/ofono
220 lines
5.0 KiB
C
220 lines
5.0 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 <glib.h>
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#include <ofono/log.h>
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#include <ofono/modem.h>
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#include <ofono/radio-settings.h>
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#include "gatchat.h"
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#include "gatresult.h"
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#include "ifxmodem.h"
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static const char *none_prefix[] = { NULL };
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static const char *xrat_prefix[] = { "+XRAT:", NULL };
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struct radio_settings_data {
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GAtChat *chat;
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};
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static void xrat_query_cb(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_radio_settings_rat_mode_query_cb_t cb = cbd->cb;
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enum ofono_radio_access_mode mode;
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struct ofono_error error;
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GAtResultIter iter;
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int value, preferred;
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decode_at_error(&error, g_at_result_final_response(result));
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if (!ok) {
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cb(&error, -1, cbd->data);
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return;
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}
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g_at_result_iter_init(&iter, result);
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if (g_at_result_iter_next(&iter, "+XRAT:") == FALSE)
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goto error;
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if (g_at_result_iter_next_number(&iter, &value) == FALSE)
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goto error;
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if (g_at_result_iter_next_number(&iter, &preferred) == FALSE)
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goto error;
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switch (value) {
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case 0:
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mode = OFONO_RADIO_ACCESS_MODE_GSM;
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break;
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case 1:
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mode = OFONO_RADIO_ACCESS_MODE_ANY;
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break;
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case 2:
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mode = OFONO_RADIO_ACCESS_MODE_UMTS;
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break;
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default:
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CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
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return;
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}
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cb(&error, mode, cbd->data);
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return;
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error:
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CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
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}
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static void ifx_query_rat_mode(struct ofono_radio_settings *rs,
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ofono_radio_settings_rat_mode_query_cb_t cb,
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void *data)
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{
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struct radio_settings_data *rsd = ofono_radio_settings_get_data(rs);
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struct cb_data *cbd = cb_data_new(cb, data);
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if (g_at_chat_send(rsd->chat, "AT+XRAT?", xrat_prefix,
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xrat_query_cb, cbd, g_free) == 0) {
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CALLBACK_WITH_FAILURE(cb, -1, data);
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g_free(cbd);
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}
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}
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static void xrat_modify_cb(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_radio_settings_rat_mode_set_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 ifx_set_rat_mode(struct ofono_radio_settings *rs,
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enum ofono_radio_access_mode mode,
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ofono_radio_settings_rat_mode_set_cb_t cb,
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void *data)
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{
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struct radio_settings_data *rsd = ofono_radio_settings_get_data(rs);
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struct cb_data *cbd = cb_data_new(cb, data);
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char buf[20];
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int value = 1, preferred = 2;
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switch (mode) {
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case OFONO_RADIO_ACCESS_MODE_ANY:
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value = 1;
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break;
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case OFONO_RADIO_ACCESS_MODE_GSM:
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value = 0;
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break;
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case OFONO_RADIO_ACCESS_MODE_UMTS:
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value = 2;
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break;
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case OFONO_RADIO_ACCESS_MODE_LTE:
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goto error;
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}
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if (value == 1)
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snprintf(buf, sizeof(buf), "AT+XRAT=%u,%u", value, preferred);
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else
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snprintf(buf, sizeof(buf), "AT+XRAT=%u", value);
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if (g_at_chat_send(rsd->chat, buf, none_prefix,
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xrat_modify_cb, cbd, g_free) > 0)
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return;
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error:
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CALLBACK_WITH_FAILURE(cb, data);
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g_free(cbd);
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}
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static void xrat_support_cb(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct ofono_radio_settings *rs = user_data;
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if (!ok) {
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ofono_radio_settings_remove(rs);
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return;
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}
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ofono_radio_settings_register(rs);
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}
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static int ifx_radio_settings_probe(struct ofono_radio_settings *rs,
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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 radio_settings_data *rsd;
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rsd = g_try_new0(struct radio_settings_data, 1);
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if (rsd == NULL)
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return -ENOMEM;
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rsd->chat = g_at_chat_clone(chat);
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ofono_radio_settings_set_data(rs, rsd);
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g_at_chat_send(rsd->chat, "AT+XRAT=?", xrat_prefix,
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xrat_support_cb, rs, NULL);
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return 0;
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}
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static void ifx_radio_settings_remove(struct ofono_radio_settings *rs)
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{
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struct radio_settings_data *rsd = ofono_radio_settings_get_data(rs);
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ofono_radio_settings_set_data(rs, NULL);
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g_at_chat_unref(rsd->chat);
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g_free(rsd);
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}
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static const struct ofono_radio_settings_driver driver = {
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.name = "ifxmodem",
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.probe = ifx_radio_settings_probe,
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.remove = ifx_radio_settings_remove,
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.query_rat_mode = ifx_query_rat_mode,
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.set_rat_mode = ifx_set_rat_mode
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};
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void ifx_radio_settings_init(void)
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{
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ofono_radio_settings_driver_register(&driver);
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}
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void ifx_radio_settings_exit(void)
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{
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ofono_radio_settings_driver_unregister(&driver);
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}
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