mbmmodem: add location-reporting driver

3 files changed, 252 insertions, 0 deletions

diff --git a/drivers/mbmmodem/location-reporting.c b/drivers/mbmmodem/location-reporting.c
new file mode 100644
index 00000000..941fac40
--- /dev/null
+++ b/drivers/mbmmodem/location-reporting.c
@@ -0,0 +1,247 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2010  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2010 ProFUSION embedded systems.
+ *
+ *  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 <unistd.h>
+
+#include <glib.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/location-reporting.h>
+
+#include "gatchat.h"
+#include "gatresult.h"
+#include "gattty.h"
+
+#include "mbmmodem.h"
+
+static const char *none_prefix[] = { NULL };
+static const char *e2gpsctl_prefix[] = { "*E2GPSCTL:", NULL };
+
+struct gps_data {
+	GAtChat *chat;
+	GAtChat *data_chat;
+};
+
+static void mbm_e2gpsctl_disable_cb(gboolean ok, GAtResult *result,
+							gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	struct ofono_location_reporting *lr = cbd->user;
+	ofono_location_reporting_disable_cb_t cb = cbd->cb;
+	struct gps_data *gd = ofono_location_reporting_get_data(lr);
+
+	DBG("lr=%p, ok=%d", lr, ok);
+
+	if (!ok) {
+		struct ofono_error error;
+
+		decode_at_error(&error, g_at_result_final_response(result));
+		cb(&error, cbd->data);
+
+		return;
+	}
+
+	g_at_chat_unref(gd->data_chat);
+
+	CALLBACK_WITH_SUCCESS(cb, cbd->data);
+}
+
+static void mbm_location_reporting_disable(struct ofono_location_reporting *lr,
+				ofono_location_reporting_disable_cb_t cb,
+				void *data)
+{
+	struct gps_data *gd = ofono_location_reporting_get_data(lr);
+	struct cb_data *cbd = cb_data_new(cb, data);
+
+	DBG("lr=%p", lr);
+
+	cbd->user = lr;
+
+	if (g_at_chat_send(gd->chat, "AT*E2GPSCTL=0,5,1", none_prefix,
+				mbm_e2gpsctl_disable_cb, cbd, g_free) > 0)
+		return;
+
+	CALLBACK_WITH_FAILURE(cb, data);
+	g_free(cbd);
+}
+
+static int mbm_create_data_chat(struct ofono_location_reporting *lr)
+{
+	struct gps_data *gd = ofono_location_reporting_get_data(lr);
+	struct ofono_modem *modem;
+	const char *gps_dev;
+	GAtSyntax *syntax;
+	GIOChannel *channel;
+	int fd;
+
+	modem = ofono_location_reporting_get_modem(lr);
+	gps_dev = ofono_modem_get_string(modem, "GPSDevice");
+
+	channel = g_at_tty_open(gps_dev, NULL);
+	if (channel == NULL)
+		return -1;
+
+	syntax = g_at_syntax_new_gsm_permissive();
+	gd->data_chat = g_at_chat_new(channel, syntax);
+	fd = g_io_channel_unix_get_fd(channel);
+
+	g_at_syntax_unref(syntax);
+	g_io_channel_unref(channel);
+
+	if (gd->data_chat == NULL)
+		return -1;
+
+	return fd;
+}
+
+static void mbm_e2gpsctl_enable_cb(gboolean ok, GAtResult *result,
+					gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_location_reporting_enable_cb_t cb = cbd->cb;
+	struct ofono_location_reporting *lr = cbd->user;
+	struct gps_data *gd = ofono_location_reporting_get_data(lr);
+	struct ofono_error error;
+	int fd;
+
+	DBG("lr=%p ok=%d", lr, ok);
+
+	decode_at_error(&error, g_at_result_final_response(result));
+
+	if (!ok) {
+		cb(&error, -1, cbd->data);
+
+		return;
+	}
+
+	fd = mbm_create_data_chat(lr);
+
+	if (fd < 0)
+		goto out;
+
+	if (g_at_chat_send(gd->data_chat, "AT*E2GPSNPD", NULL, NULL, NULL,
+								NULL) > 0) {
+		cb(&error, fd, cbd->data);
+
+		return;
+	}
+
+out:
+	CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
+}
+
+static void mbm_location_reporting_enable(struct ofono_location_reporting *lr,
+					ofono_location_reporting_enable_cb_t cb,
+					void *data)
+{
+	struct gps_data *gd = ofono_location_reporting_get_data(lr);
+	struct cb_data *cbd = cb_data_new(cb, data);
+
+	DBG("lr=%p", lr);
+
+	if (cbd == NULL)
+		goto out;
+
+	cbd->user = lr;
+
+	if (g_at_chat_send(gd->chat, "AT*E2GPSCTL=1,5,1", none_prefix,
+				mbm_e2gpsctl_enable_cb, cbd, g_free) > 0)
+		return;
+
+out:
+	CALLBACK_WITH_FAILURE(cb, -1, data);
+	g_free(cbd);
+}
+
+static void mbm_location_reporting_support_cb(gboolean ok, GAtResult *result,
+							gpointer user_data)
+{
+	struct ofono_location_reporting *lr = user_data;
+
+	if (!ok) {
+		ofono_location_reporting_remove(lr);
+
+		return;
+	}
+
+	ofono_location_reporting_register(lr);
+}
+
+static int mbm_location_reporting_probe(struct ofono_location_reporting *lr,
+						unsigned int vendor, void *data)
+{
+	GAtChat *chat = data;
+	struct gps_data *gd;
+
+	gd = g_try_new0(struct gps_data, 1);
+	if (gd == NULL)
+		return -ENOMEM;
+
+	gd->chat = g_at_chat_clone(chat);
+
+	ofono_location_reporting_set_data(lr, gd);
+
+	g_at_chat_send(gd->chat, "AT*E2GPSCTL=?", e2gpsctl_prefix,
+					mbm_location_reporting_support_cb,
+					lr, NULL);
+
+	return 0;
+}
+
+static void mbm_location_reporting_remove(struct ofono_location_reporting *lr)
+{
+	struct gps_data *gd = ofono_location_reporting_get_data(lr);
+
+	ofono_location_reporting_set_data(lr, NULL);
+
+	g_at_chat_unref(gd->chat);
+	g_free(gd);
+}
+
+static struct ofono_location_reporting_driver driver = {
+	.name			= "mbmmodem",
+	.type			= OFONO_LOCATION_REPORTING_TYPE_NMEA,
+	.probe			= mbm_location_reporting_probe,
+	.remove			= mbm_location_reporting_remove,
+	.enable			= mbm_location_reporting_enable,
+	.disable		= mbm_location_reporting_disable,
+};
+
+void mbm_location_reporting_init()
+{
+	ofono_location_reporting_driver_register(&driver);
+}
+
+void mbm_location_reporting_exit()
+{
+	ofono_location_reporting_driver_unregister(&driver);
+}
diff --git a/drivers/mbmmodem/mbmmodem.c b/drivers/mbmmodem/mbmmodem.c
index 03b61b33..9938350f 100644
--- a/drivers/mbmmodem/mbmmodem.c
+++ b/drivers/mbmmodem/mbmmodem.c
@@ -36,12 +36,14 @@ static int mbmmodem_init(void)
 {
 	mbm_gprs_context_init();
 	mbm_stk_init();
+	mbm_location_reporting_init();
 
 	return 0;
 }
 
 static void mbmmodem_exit(void)
 {
+	mbm_location_reporting_exit();
 	mbm_stk_exit();
 	mbm_gprs_context_exit();
 }
diff --git a/drivers/mbmmodem/mbmmodem.h b/drivers/mbmmodem/mbmmodem.h
index 4c6f2633..aaa911dd 100644
--- a/drivers/mbmmodem/mbmmodem.h
+++ b/drivers/mbmmodem/mbmmodem.h
@@ -26,3 +26,6 @@ extern void mbm_gprs_context_exit(void);
 
 extern void mbm_stk_init(void);
 extern void mbm_stk_exit(void);
+
+extern void mbm_location_reporting_init();
+extern void mbm_location_reporting_exit();