1 files changed, 332 insertions, 0 deletions
diff --git a/plugins/hfp.c b/plugins/hfp.c
new file mode 100644
index 00000000..8961b66a
--- /dev/null
+++ b/plugins/hfp.c
@@ -0,0 +1,332 @@
+/*
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2009  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2009  Collabora Ltd. 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 <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include <glib.h>
+#include <gatchat.h>
+#include <gattty.h>
+#include <dbus.h>
+
+#define OFONO_API_SUBJECT_TO_CHANGE
+#include <ofono/plugin.h>
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/call-barring.h>
+#include <ofono/call-forwarding.h>
+#include <ofono/call-meter.h>
+#include <ofono/call-settings.h>
+#include <ofono/devinfo.h>
+#include <ofono/message-waiting.h>
+#include <ofono/netreg.h>
+#include <ofono/phonebook.h>
+#include <ofono/sim.h>
+#include <ofono/sms.h>
+#include <ofono/ssn.h>
+#include <ofono/ussd.h>
+#include <ofono/voicecall.h>
+
+#include <drivers/hfpmodem/hfp.h>
+
+static const char *brsf_prefix[] = { "+BRSF:", NULL };
+static const char *cind_prefix[] = { "+CIND:", NULL };
+static const char *cmer_prefix[] = { "+CMER:", NULL };
+
+static int hfp_disable(struct ofono_modem *modem);
+
+static void hfp_debug(const char *str, void *user_data)
+{
+	ofono_info("%s", str);
+}
+
+static void cind_status_cb(gboolean ok, GAtResult *result,
+				gpointer user_data)
+{
+	struct ofono_modem *modem = user_data;
+	struct hfp_data *data = ofono_modem_get_data(modem);
+	GAtResultIter iter;
+	int index = 0, value = 0;
+
+	if (!ok)
+		goto error;
+
+	g_at_result_iter_init(&iter, result);
+
+	if (!g_at_result_iter_next(&iter, "+CIND:"))
+		goto error;
+
+	while (g_at_result_iter_next_number(&iter, &value))
+		data->cind_values[++index] = value;
+
+	ofono_info("Service level connection established");
+	g_at_chat_send(data->chat, "AT+CMEE=1", NULL, NULL, NULL, NULL);
+
+	ofono_modem_set_powered(modem, TRUE);
+	return;
+
+error:
+	hfp_disable(modem);
+}
+
+static void cmer_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct ofono_modem *modem = user_data;
+	struct hfp_data *data = ofono_modem_get_data(modem);
+
+	if (!ok) {
+		hfp_disable(modem);
+		return;
+	}
+
+	g_at_chat_send(data->chat, "AT+CIND?", cind_prefix,
+			cind_status_cb, modem, NULL);
+}
+
+static void set_cind_data(GSList *l, struct hfp_data *data)
+{
+	int len = g_slist_length(l);
+	int i = 0;
+
+	data->cind_names = g_new0(char *, len + 1);
+	data->cind_values = g_new0(int, len + 1);
+	data->cind_length = len;
+
+	data->cind_names[0] = NULL;
+	for (; l; l = l->next)
+		data->cind_names[++i] = g_strdup(l->data);
+}
+
+static void cind_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct ofono_modem *modem = user_data;
+	struct hfp_data *data = ofono_modem_get_data(modem);
+	GSList *l = NULL;
+	GAtResultIter iter;
+	const char *str;
+	int min, max;
+
+	if (!ok)
+		goto error;
+
+	g_at_result_iter_init(&iter, result);
+	if (!g_at_result_iter_next(&iter, "+CIND:"))
+		goto error;
+
+	while (g_at_result_iter_open_list(&iter)) {
+		if (!g_at_result_iter_next_string(&iter, &str))
+			goto error;
+
+		l = g_slist_append(l, (gpointer)g_strdup(str));
+
+		if (!g_at_result_iter_open_list(&iter))
+			goto error;
+
+		while (g_at_result_iter_next_range(&iter, &min, &max))
+			;
+
+		if (!g_at_result_iter_close_list(&iter))
+			goto error;
+
+		if (!g_at_result_iter_close_list(&iter))
+			goto error;
+	}
+
+	set_cind_data(l, data);
+	g_slist_foreach(l, (GFunc) g_free, 0);
+	g_slist_free(l);
+
+	g_at_chat_send(data->chat, "AT+CMER=3,0,0,1", cmer_prefix,
+				cmer_cb, modem, NULL);
+	return;
+
+error:
+	hfp_disable(modem);
+}
+
+static void brsf_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct ofono_modem *modem = user_data;
+	struct hfp_data *data = ofono_modem_get_data(modem);
+	GAtResultIter iter;
+
+	if (!ok)
+		goto error;
+
+	g_at_result_iter_init(&iter, result);
+
+	if (!g_at_result_iter_next(&iter, "+BRSF:"))
+		goto error;
+
+	g_at_result_iter_next_number(&iter, &data->ag_features);
+
+	g_at_chat_send(data->chat, "AT+CIND=?", cind_prefix,
+				cind_cb, modem, NULL);
+	return;
+
+error:
+	hfp_disable(modem);
+}
+
+/* either oFono or Phone could request SLC connection */
+static int service_level_connection(struct ofono_modem *modem,
+				const char *tty)
+{
+	struct hfp_data *data = ofono_modem_get_data(modem);
+	GIOChannel *io;
+	GAtSyntax *syntax;
+	GAtChat *chat;
+
+	io = g_at_tty_open(tty, NULL);
+	if (!io) {
+		ofono_error("Service level connection failed: %s (%d)",
+			strerror(errno), errno);
+		return -EIO;
+	}
+
+	syntax = g_at_syntax_new_gsmv1();
+	chat = g_at_chat_new(io, syntax);
+	g_at_syntax_unref(syntax);
+	g_io_channel_unref(io);
+
+	if (!chat)
+		return -ENOMEM;
+
+	if (getenv("OFONO_AT_DEBUG"))
+		g_at_chat_set_debug(chat, hfp_debug, NULL);
+
+	/* 118 = 0x76, support multiparty calling, enhanced call status
+	* and enhanced call control */
+	g_at_chat_send(chat, "AT+BRSF=118", brsf_prefix,
+				brsf_cb, modem, NULL);
+	data->chat = chat;
+
+	return -EINPROGRESS;
+}
+
+static int hfp_probe(struct ofono_modem *modem)
+{
+	struct hfp_data *data;
+
+	data = g_try_new0(struct hfp_data, 1);
+	if (!data)
+		return -ENOMEM;
+
+	ofono_modem_set_data(modem, data);
+
+	return 0;
+}
+
+static void hfp_remove(struct ofono_modem *modem)
+{
+	gpointer data = ofono_modem_get_data(modem);
+
+	if (data)
+		g_free(data);
+
+	ofono_modem_set_data(modem, NULL);
+}
+
+/* power up hardware */
+static int hfp_enable(struct ofono_modem *modem)
+{
+	const char *tty;
+	int ret;
+
+	DBG("%p", modem);
+
+	tty = ofono_modem_get_string(modem, "Device");
+	if (tty == NULL)
+		return -EINVAL;
+
+	ret = service_level_connection(modem, tty);
+
+	return ret;
+}
+
+static int hfp_disable(struct ofono_modem *modem)
+{
+	struct hfp_data *data = ofono_modem_get_data(modem);
+	int i;
+
+	DBG("%p", modem);
+
+	if (!data->chat)
+		return 0;
+
+	g_at_chat_unref(data->chat);
+	data->chat = NULL;
+
+	if (data->cind_length) {
+		for (i = 1; i < data->cind_length + 1; i++)
+			g_free(data->cind_names[i]);
+
+		g_free(data->cind_names);
+		data->cind_names = NULL;
+
+		g_free(data->cind_values);
+		data->cind_values = NULL;
+
+		data->cind_length = 0;
+	}
+
+	ofono_modem_set_powered(modem, FALSE);
+
+	return 0;
+}
+
+static void hfp_pre_sim(struct ofono_modem *modem)
+{
+	DBG("%p", modem);
+}
+
+static void hfp_post_sim(struct ofono_modem *modem)
+{
+	DBG("%p", modem);
+}
+
+static struct ofono_modem_driver hfp_driver = {
+	.name		= "hfp",
+	.probe		= hfp_probe,
+	.remove		= hfp_remove,
+	.enable		= hfp_enable,
+	.disable	= hfp_disable,
+	.pre_sim	= hfp_pre_sim,
+	.post_sim	= hfp_post_sim,
+};
+
+static int hfp_init(void)
+{
+	DBG("");
+	return ofono_modem_driver_register(&hfp_driver);
+}
+
+static void hfp_exit(void)
+{
+	ofono_modem_driver_unregister(&hfp_driver);
+}
+
+OFONO_PLUGIN_DEFINE(hfp, "Hands-Free Profile Plugins", VERSION,
+			OFONO_PLUGIN_PRIORITY_DEFAULT, hfp_init, hfp_exit)