Add basic support for Huawei based devices

3 files changed, 210 insertions, 5 deletions

diff --git a/plugins/huawei.c b/plugins/huawei.c
new file mode 100644
index 00000000..d9d1497f
--- /dev/null
+++ b/plugins/huawei.c
@@ -0,0 +1,174 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2009  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
+
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include <glib.h>
+#include <gatchat.h>
+
+#define OFONO_API_SUBJECT_TO_CHANGE
+#include <ofono/plugin.h>
+#include <ofono/modem.h>
+#include <ofono/devinfo.h>
+#include <ofono/netreg.h>
+#include <ofono/sms.h>
+#include <ofono/log.h>
+
+struct huawei_data {
+	GAtChat *chat;
+};
+
+static int huawei_probe(struct ofono_modem *modem)
+{
+	struct huawei_data *data;
+
+	DBG("%p", modem);
+
+	data = g_try_new0(struct huawei_data, 1);
+	if (!data)
+		return -ENOMEM;
+
+	ofono_modem_set_data(modem, data);
+
+	return 0;
+}
+
+static void huawei_remove(struct ofono_modem *modem)
+{
+	struct huawei_data *data = ofono_modem_get_data(modem);
+
+	DBG("%p", modem);
+
+	ofono_modem_set_data(modem, NULL);
+
+	g_free(data);
+}
+
+static void huawei_debug(const char *str, void *user_data)
+{
+	ofono_info("%s", str);
+}
+
+static void cfun_enable(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct ofono_modem *modem = user_data;
+
+	DBG("");
+
+	if (ok)
+		ofono_modem_set_powered(modem, TRUE);
+}
+
+static int huawei_enable(struct ofono_modem *modem)
+{
+	struct huawei_data *data = ofono_modem_get_data(modem);
+	GAtSyntax *syntax;
+	const char *device;
+
+	DBG("%p", modem);
+
+	device = ofono_modem_get_string(modem, "Device");
+	if (!device)
+			return -EINVAL;
+
+	syntax = g_at_syntax_new_gsmv1();
+	data->chat = g_at_chat_new_from_tty(device, syntax);
+	g_at_syntax_unref(syntax);
+
+	if (!data->chat)
+		return -EIO;
+
+	if (getenv("OFONO_AT_DEBUG"))
+		g_at_chat_set_debug(data->chat, huawei_debug, NULL);
+
+	g_at_chat_send(data->chat, "AT+CFUN=1", NULL,
+					cfun_enable, modem, NULL);
+
+	return 0;
+}
+
+static void cfun_disable(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct ofono_modem *modem = user_data;
+
+	DBG("");
+
+	if (ok)
+		ofono_modem_set_powered(modem, FALSE);
+}
+
+static int huawei_disable(struct ofono_modem *modem)
+{
+	struct huawei_data *data = ofono_modem_get_data(modem);
+
+	DBG("%p", modem);
+
+	if (!data->chat)
+		return 0;
+
+	g_at_chat_send(data->chat, "AT+CFUN=0", NULL,
+					cfun_disable, modem, NULL);
+
+	g_at_chat_shutdown(data->chat);
+
+	g_at_chat_unref(data->chat);
+	data->chat = NULL;
+
+	return 0;
+}
+
+static void huawei_populate(struct ofono_modem *modem)
+{
+	struct huawei_data *data = ofono_modem_get_data(modem);
+
+	DBG("%p", modem);
+
+	ofono_devinfo_create(modem, 0, "atmodem", data->chat);
+	ofono_netreg_create(modem, 0, "atmodem", data->chat);
+}
+
+static struct ofono_modem_driver huawei_driver = {
+	.name		= "huawei",
+	.probe		= huawei_probe,
+	.remove		= huawei_remove,
+	.enable		= huawei_enable,
+	.disable	= huawei_disable,
+	.populate	= huawei_populate,
+};
+
+static int huawei_init(void)
+{
+	return ofono_modem_driver_register(&huawei_driver);
+}
+
+static void huawei_exit(void)
+{
+	ofono_modem_driver_unregister(&huawei_driver);
+}
+
+OFONO_PLUGIN_DEFINE(huawei, "HUAWEI Mobile modem driver", VERSION,
+		OFONO_PLUGIN_PRIORITY_DEFAULT, huawei_init, huawei_exit)
diff --git a/plugins/ofono.rules b/plugins/ofono.rules
index a446f0de..0105d044 100644
--- a/plugins/ofono.rules
+++ b/plugins/ofono.rules
@@ -4,6 +4,9 @@ ACTION!="add|change", GOTO="ofono_end"
 SUBSYSTEM!="usb", GOTO="ofono_end"
 ENV{DEVTYPE}!="usb_device", GOTO="ofono_end"
 
+# HUAWEI Technology
+ATTRS{idVendor}=="12d1", ENV{OFONO_DRIVER}="huawei"
+
 # Ericsson F3507g
 ATTRS{idVendor}=="0bdb", ATTRS{idProduct}=="1900", ENV{OFONO_DRIVER}="mbm"
 ATTRS{idVendor}=="0bdb", ATTRS{idProduct}=="1902", ENV{OFONO_DRIVER}="mbm"
diff --git a/plugins/udev.c b/plugins/udev.c
index ca7a25ce..82421cca 100644
--- a/plugins/udev.c
+++ b/plugins/udev.c
@@ -91,7 +91,8 @@ static const char *get_driver(struct udev_device *udev_device)
 #define MBM_GPS_DEVICE		"GPSDevice"
 #define MBM_NETWORK_INTERFACE	"NetworkInterface"
 
-static void add_mbm(struct ofono_modem *modem, struct udev_device *udev_device)
+static void add_mbm(struct ofono_modem *modem,
+					struct udev_device *udev_device)
 {
 	const char *description, *devnode;
 	const char *device, *network;
@@ -134,6 +135,23 @@ static void add_mbm(struct ofono_modem *modem, struct udev_device *udev_device)
 	}
 }
 
+static void add_huawei(struct ofono_modem *modem,
+					struct udev_device *udev_device)
+{
+	const char *devnode;
+	int registered;
+
+	registered = ofono_modem_get_integer(modem, "Registered");
+	if (registered != 0)
+		return;
+
+	devnode = udev_device_get_devnode(udev_device);
+	ofono_modem_set_string(modem, "Device", devnode);
+
+	ofono_modem_set_integer(modem, "Registered", 1);
+	ofono_modem_register(modem);
+}
+
 static void add_modem(struct udev_device *udev_device)
 {
 	struct ofono_modem *modem;
@@ -148,8 +166,12 @@ static void add_modem(struct udev_device *udev_device)
 	if (driver == NULL) {
 		parent = udev_device_get_parent(parent);
 		driver = get_driver(parent);
-		if (driver == NULL)
-			return;
+		if (driver == NULL) {
+			parent = udev_device_get_parent(parent);
+			driver = get_driver(parent);
+			if (driver == NULL)
+				return;
+		}
 	}
 
 	devpath = udev_device_get_devpath(parent);
@@ -170,6 +192,8 @@ static void add_modem(struct udev_device *udev_device)
 
 	if (g_strcmp0(driver, "mbm") == 0)
 		add_mbm(modem, udev_device);
+	else if (g_strcmp0(driver, "huawei") == 0)
+		add_huawei(modem, udev_device);
 }
 
 static void remove_modem(struct udev_device *udev_device)
@@ -186,8 +210,12 @@ static void remove_modem(struct udev_device *udev_device)
 	if (driver == NULL) {
 		parent = udev_device_get_parent(parent);
 		driver = get_driver(parent);
-		if (driver == NULL)
-			return;
+		if (driver == NULL) {
+			parent = udev_device_get_parent(parent);
+			driver = get_driver(parent);
+			if (driver == NULL)
+				return;
+		}
 	}
 
 	devpath = udev_device_get_devpath(parent);