rilmodem: driver for Android modems

Driver for modems that are accessed through the Android Radio Interface
Layer (RIL) for telephony, using the gril library. The driver is almost
feature complete with some exceptions, being CBS and SAT the most
prominent.

Co-authored-by: Tony Espy <espy@canonical.com>
Co-authored-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>
Co-authored-by: Alfonso Sanchez-Beato <alfonso.sanchez-beato@canonical.com>
Co-authored-by: Islam Amer <islam.amer@jollamobile.com>
Co-authored-by: Jussi Kangas <jussi.kangas@tieto.com>
Co-authored-by: Juho Hämäläinen <juho.hamalainen@tieto.com>
Co-authored-by: Petri Takalokastari <petri.takalokastari@oss.tieto.com>
Co-authored-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
Co-authored-by: Tommi Kenakkala <tommi.kenakkala@oss.tieto.com>
Co-authored-by: Miia Leinonen <miia.leinonen@oss.tieto.com>
Co-authored-by: Martti Piirainen <martti.piirainen@canonical.com>
Co-authored-by: You-Sheng Yang <vicamo.yang@canonical.com>

1 files changed, 245 insertions, 0 deletions

diff --git a/drivers/rilmodem/call-barring.c b/drivers/rilmodem/call-barring.c
new file mode 100644
index 00000000..6a19556e
--- /dev/null
+++ b/drivers/rilmodem/call-barring.c
@@ -0,0 +1,245 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2014 Jolla Ltd
+ *  Contact: Miia Leinonen
+ *  Copyright (C) 2014  Canonical Ltd
+ *
+ *  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
+ *
+ */
+
+#include <errno.h>
+#include <glib.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+
+#include "common.h"
+#include "grilrequest.h"
+#include "grilreply.h"
+#include "call-barring.h"
+#include "rilmodem.h"
+#include "ril_constants.h"
+
+struct barring_data {
+	GRil *ril;
+};
+
+static void ril_call_barring_query_cb(struct ril_msg *message,
+					gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_call_barring_query_cb_t cb = cbd->cb;
+	struct barring_data *bd = cbd->user;
+	int bearer_class;
+
+	if (message->error != RIL_E_SUCCESS) {
+		ofono_error("%s: query failed, err: %s", __func__,
+				ril_error_to_string(message->error));
+		goto error;
+	}
+
+	bearer_class = g_ril_reply_parse_query_facility_lock(bd->ril, message);
+	if (bearer_class < 0)
+		goto error;
+
+	CALLBACK_WITH_SUCCESS(cb, bearer_class, cbd->data);
+	return;
+
+error:
+	CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
+}
+
+static void ril_call_barring_query(struct ofono_call_barring *cb,
+					const char *lock, int cls,
+					ofono_call_barring_query_cb_t callback,
+					void *data)
+{
+	struct barring_data *bd = ofono_call_barring_get_data(cb);
+	struct cb_data *cbd = cb_data_new(callback, data, bd);
+	struct parcel rilp;
+
+	DBG("lock: %s, services to query: %d", lock, cls);
+
+	/*
+	 * RIL modems do not support 7 as default bearer class. According to
+	 * TS 22.030 Annex C: When service code is not given it corresponds to
+	 * "All tele and bearer services"
+	 */
+	if (cls == BEARER_CLASS_DEFAULT)
+		cls = SERVICE_CLASS_NONE;
+
+	/* ril.h: password should be empty string "" when not needed */
+	g_ril_request_query_facility_lock(bd->ril, lock, "", cls, &rilp);
+
+	if (g_ril_send(bd->ril, RIL_REQUEST_QUERY_FACILITY_LOCK, &rilp,
+				ril_call_barring_query_cb, cbd, g_free) <= 0) {
+		ofono_error("%s: sending failed", __func__);
+		g_free(cbd);
+		CALLBACK_WITH_FAILURE(callback, -1, data);
+	}
+}
+
+static void ril_call_barring_set_cb(struct ril_msg *message, gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_call_barring_set_cb_t cb = cbd->cb;
+	struct barring_data *bd = cbd->user;
+
+	if (message->error != RIL_E_SUCCESS) {
+		ofono_error("%s: set failed, err: %s", __func__,
+				ril_error_to_string(message->error));
+		goto error;
+	}
+
+	/* Just for printing return value */
+	g_ril_reply_parse_set_facility_lock(bd->ril, message);
+
+	CALLBACK_WITH_SUCCESS(cb, cbd->data);
+	return;
+
+error:
+	CALLBACK_WITH_FAILURE(cb, cbd->data);
+}
+
+static void ril_call_barring_set(struct ofono_call_barring *cb,
+				const char *lock, int enable,
+				const char *passwd, int cls,
+				ofono_call_barring_set_cb_t callback,
+				void *data)
+{
+	struct barring_data *bd = ofono_call_barring_get_data(cb);
+	struct cb_data *cbd = cb_data_new(callback, data, bd);
+	struct parcel rilp;
+
+	DBG("lock: %s, enable: %d, bearer class: %d", lock, enable, cls);
+
+	/*
+	 * RIL modem does not support 7 as default bearer class. According to
+	 * the 22.030 Annex C: When service code is not given it corresponds to
+	 * "All tele and bearer services"
+	 */
+	if (cls == BEARER_CLASS_DEFAULT)
+		cls = SERVICE_CLASS_NONE;
+
+	g_ril_request_set_facility_lock(bd->ril, lock, enable,
+					passwd, cls, &rilp);
+
+	if (g_ril_send(bd->ril, RIL_REQUEST_SET_FACILITY_LOCK, &rilp,
+			ril_call_barring_set_cb, cbd, g_free) <= 0) {
+		ofono_error("%s: sending failed", __func__);
+		g_free(cbd);
+		CALLBACK_WITH_FAILURE(callback, data);
+	}
+}
+
+static void ril_call_barring_set_passwd_cb(struct ril_msg *message,
+						gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_call_barring_set_cb_t cb = cbd->cb;
+	struct barring_data *bd = cbd->user;
+
+	if (message->error != RIL_E_SUCCESS) {
+		ofono_error("%s: set password failed, err: %s", __func__,
+				ril_error_to_string(message->error));
+		goto error;
+	}
+
+	g_ril_print_response_no_args(bd->ril, message);
+
+	CALLBACK_WITH_SUCCESS(cb, cbd->data);
+	return;
+
+error:
+	CALLBACK_WITH_FAILURE(cb, cbd->data);
+}
+
+static void ril_call_barring_set_passwd(struct ofono_call_barring *barr,
+					const char *lock,
+					const char *old_passwd,
+					const char *new_passwd,
+					ofono_call_barring_set_cb_t cb,
+					void *data)
+{
+	struct barring_data *bd = ofono_call_barring_get_data(barr);
+	struct cb_data *cbd = cb_data_new(cb, data, bd);
+	struct parcel rilp;
+
+	DBG("lock %s old %s new %s", lock, old_passwd, new_passwd);
+
+	g_ril_request_change_barring_password(bd->ril, lock, old_passwd,
+						new_passwd, &rilp);
+
+	if (g_ril_send(bd->ril, RIL_REQUEST_CHANGE_BARRING_PASSWORD, &rilp,
+			ril_call_barring_set_passwd_cb, cbd, g_free) <= 0) {
+		ofono_error("%s: sending failed", __func__);
+		g_free(cbd);
+		CALLBACK_WITH_FAILURE(cb, data);
+	}
+}
+
+static gboolean ril_delayed_register(gpointer user_data)
+{
+	struct ofono_call_barring *cb = user_data;
+
+	ofono_call_barring_register(cb);
+	return FALSE;
+}
+
+static int ril_call_barring_probe(struct ofono_call_barring *cb,
+					unsigned int vendor, void *user)
+{
+	GRil *ril = user;
+	struct barring_data *bd = g_try_new0(struct barring_data, 1);
+	if (bd == NULL)
+		return -ENOMEM;
+
+	bd->ril = g_ril_clone(ril);
+	ofono_call_barring_set_data(cb, bd);
+
+	g_idle_add(ril_delayed_register, cb);
+
+	return 0;
+}
+
+static void ril_call_barring_remove(struct ofono_call_barring *cb)
+{
+	struct barring_data *data = ofono_call_barring_get_data(cb);
+	ofono_call_barring_set_data(cb, NULL);
+
+	g_ril_unref(data->ril);
+	g_free(data);
+}
+
+static struct ofono_call_barring_driver driver = {
+	.name			= "rilmodem",
+	.probe			= ril_call_barring_probe,
+	.remove			= ril_call_barring_remove,
+	.query			= ril_call_barring_query,
+	.set			= ril_call_barring_set,
+	.set_passwd		= ril_call_barring_set_passwd
+};
+
+void ril_call_barring_init(void)
+{
+	ofono_call_barring_driver_register(&driver);
+}
+
+void ril_call_barring_exit(void)
+{
+	ofono_call_barring_driver_unregister(&driver);
+}