ifxmodem: Add support for radio settings

1 files changed, 215 insertions, 0 deletions

diff --git a/drivers/ifxmodem/radio-settings.c b/drivers/ifxmodem/radio-settings.c
new file mode 100644
index 00000000..201ce660
--- /dev/null
+++ b/drivers/ifxmodem/radio-settings.c
@@ -0,0 +1,215 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2010  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 <glib.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/radio-settings.h>
+
+#include "gatchat.h"
+#include "gatresult.h"
+
+#include "ifxmodem.h"
+
+static const char *none_prefix[] = { NULL };
+static const char *xrat_prefix[] = { "+XRAT:", NULL };
+
+struct radio_settings_data {
+	GAtChat *chat;
+};
+
+static void xrat_query_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_radio_settings_rat_mode_query_cb_t cb = cbd->cb;
+	enum ofono_radio_access_mode mode;
+	struct ofono_error error;
+	GAtResultIter iter;
+	int value, preferred;
+
+	decode_at_error(&error, g_at_result_final_response(result));
+
+	if (!ok) {
+		cb(&error, -1, cbd->data);
+		return;
+	}
+
+	g_at_result_iter_init(&iter, result);
+
+	if (g_at_result_iter_next(&iter, "+XRAT:") == FALSE)
+		goto error;
+
+	if (g_at_result_iter_next_number(&iter, &value) == FALSE)
+		goto error;
+
+	if (g_at_result_iter_next_number(&iter, &preferred) == FALSE)
+		goto error;
+
+	switch (value) {
+	case 0:
+		mode = OFONO_RADIO_ACCESS_MODE_GSM;
+		break;
+	case 1:
+		mode = OFONO_RADIO_ACCESS_MODE_ANY;
+		break;
+	case 2:
+		mode = OFONO_RADIO_ACCESS_MODE_UMTS;
+		break;
+	default:
+		CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
+		return;
+	}
+
+	cb(&error, mode, cbd->data);
+
+	return;
+
+error:
+	CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
+}
+
+static void ifx_query_rat_mode(struct ofono_radio_settings *rs,
+				ofono_radio_settings_rat_mode_query_cb_t cb,
+				void *data)
+{
+	struct radio_settings_data *rsd = ofono_radio_settings_get_data(rs);
+	struct cb_data *cbd = cb_data_new(cb, data);
+
+	if (g_at_chat_send(rsd->chat, "AT+XRAT?", xrat_prefix,
+					xrat_query_cb, cbd, g_free) == 0) {
+		CALLBACK_WITH_FAILURE(cb, -1, data);
+		g_free(cbd);
+	}
+}
+
+static void xrat_modify_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_radio_settings_rat_mode_set_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 ifx_set_rat_mode(struct ofono_radio_settings *rs,
+				enum ofono_radio_access_mode mode,
+				ofono_radio_settings_rat_mode_set_cb_t cb,
+				void *data)
+{
+	struct radio_settings_data *rsd = ofono_radio_settings_get_data(rs);
+	struct cb_data *cbd = cb_data_new(cb, data);
+	char buf[20];
+	int value, preferred = 2;
+
+	switch (mode) {
+	case OFONO_RADIO_ACCESS_MODE_ANY:
+		value = 1;
+		break;
+	case OFONO_RADIO_ACCESS_MODE_GSM:
+		value = 0;
+		break;
+	case OFONO_RADIO_ACCESS_MODE_UMTS:
+		value = 2;
+		break;
+	default:
+		CALLBACK_WITH_FAILURE(cb, data);
+		g_free(cbd);
+		return;
+	}
+
+	snprintf(buf, sizeof(buf), "AT+XRAT=%u,%u", value, preferred);
+
+	if (g_at_chat_send(rsd->chat, buf, none_prefix,
+					xrat_modify_cb, cbd, g_free) == 0) {
+		CALLBACK_WITH_FAILURE(cb, data);
+		g_free(cbd);
+	}
+}
+
+static void xrat_support_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct ofono_radio_settings *rs = user_data;
+
+	if (!ok)
+		return;
+
+	ofono_radio_settings_register(rs);
+}
+
+static int ifx_radio_settings_probe(struct ofono_radio_settings *rs,
+					unsigned int vendor, void *data)
+{
+	GAtChat *chat = data;
+	struct radio_settings_data *rsd;
+
+	rsd = g_try_new0(struct radio_settings_data, 1);
+	if (!rsd)
+		return -ENOMEM;
+
+	rsd->chat = g_at_chat_clone(chat);
+
+	ofono_radio_settings_set_data(rs, rsd);
+
+	g_at_chat_send(rsd->chat, "AT+XRAT=?", xrat_prefix,
+					xrat_support_cb, rs, NULL);
+
+	return 0;
+}
+
+static void ifx_radio_settings_remove(struct ofono_radio_settings *rs)
+{
+	struct radio_settings_data *rsd = ofono_radio_settings_get_data(rs);
+
+	ofono_radio_settings_set_data(rs, NULL);
+
+	g_at_chat_unref(rsd->chat);
+	g_free(rsd);
+}
+
+static struct ofono_radio_settings_driver driver = {
+	.name			= "ifxmodem",
+	.probe			= ifx_radio_settings_probe,
+	.remove			= ifx_radio_settings_remove,
+	.query_rat_mode		= ifx_query_rat_mode,
+	.set_rat_mode		= ifx_set_rat_mode
+};
+
+void ifx_radio_settings_init()
+{
+	ofono_radio_settings_driver_register(&driver);
+}
+
+void ifx_radio_settings_exit()
+{
+	ofono_radio_settings_driver_unregister(&driver);
+}