gobi: Add support for basic network registration handling

1 files changed, 206 insertions, 1 deletions

diff --git a/plugins/gobi.c b/plugins/gobi.c
index 5c94dda6..7918e299 100644
--- a/plugins/gobi.c
+++ b/plugins/gobi.c
@@ -23,27 +23,232 @@
 #include <config.h>
 #endif
 
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include <glib.h>
+#include <gatchat.h>
+#include <gattty.h>
+
 #define OFONO_API_SUBJECT_TO_CHANGE
 #include <ofono/plugin.h>
 #include <ofono/log.h>
 #include <ofono/modem.h>
+#include <ofono/devinfo.h>
+#include <ofono/netreg.h>
+#include <ofono/sim.h>
+#include <ofono/phonebook.h>
+
+#include <drivers/atmodem/atutil.h>
+#include <drivers/atmodem/vendor.h>
+
+static const char *none_prefix[] = { NULL };
+
+struct gobi_data {
+	GAtChat *chat;
+};
+
+static void gobi_debug(const char *str, void *user_data)
+{
+	const char *prefix = user_data;
+
+	ofono_info("%s%s", prefix, str);
+}
 
 static int gobi_probe(struct ofono_modem *modem)
 {
-	DBG("");
+	struct gobi_data *data;
+
+	DBG("%p", modem);
+
+	data = g_try_new0(struct gobi_data, 1);
+	if (data == NULL)
+		return -ENOMEM;
+
+	ofono_modem_set_data(modem, data);
 
 	return 0;
 }
 
 static void gobi_remove(struct ofono_modem *modem)
 {
+	struct gobi_data *data = ofono_modem_get_data(modem);
+
+	DBG("%p", modem);
+
+	ofono_modem_set_data(modem, NULL);
+
+	g_free(data);
+}
+
+static GAtChat *open_device(struct ofono_modem *modem,
+				const char *key, char *debug)
+{
+	const char *device;
+	GAtSyntax *syntax;
+	GIOChannel *channel;
+	GAtChat *chat;
+
+	device = ofono_modem_get_string(modem, key);
+	if (device == NULL)
+		return NULL;
+
+	DBG("%s %s", key, device);
+
+	channel = g_at_tty_open(device, NULL);
+	if (channel == NULL)
+		return NULL;
+
+	syntax = g_at_syntax_new_gsmv1();
+	chat = g_at_chat_new(channel, syntax);
+	g_at_syntax_unref(syntax);
+	g_io_channel_unref(channel);
+
+	if (chat == NULL)
+		return NULL;
+
+	if (getenv("OFONO_AT_DEBUG"))
+		g_at_chat_set_debug(chat, gobi_debug, debug);
+
+	return chat;
+}
+
+static void cfun_enable(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct ofono_modem *modem = user_data;
+
 	DBG("");
+
+	ofono_modem_set_powered(modem, ok);
+}
+
+static int gobi_enable(struct ofono_modem *modem)
+{
+	struct gobi_data *data = ofono_modem_get_data(modem);
+
+	DBG("%p", modem);
+
+	data->chat = open_device(modem, "Device", "Device: ");
+	if (data->chat == NULL)
+		return -EINVAL;
+
+	g_at_chat_send(data->chat, "ATE0 +CMEE=1", none_prefix,
+						NULL, NULL, NULL);
+
+	g_at_chat_send(data->chat, "AT+CFUN=4", none_prefix,
+					cfun_enable, modem, NULL);
+
+	return -EINPROGRESS;
+}
+
+static void cfun_disable(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct ofono_modem *modem = user_data;
+	struct gobi_data *data = ofono_modem_get_data(modem);
+
+	DBG("");
+
+	g_at_chat_unref(data->chat);
+	data->chat = NULL;
+
+	if (ok)
+		ofono_modem_set_powered(modem, FALSE);
+}
+
+static int gobi_disable(struct ofono_modem *modem)
+{
+	struct gobi_data *data = ofono_modem_get_data(modem);
+
+	DBG("%p", modem);
+
+	if (data->chat == NULL)
+		return 0;
+
+	g_at_chat_cancel_all(data->chat);
+	g_at_chat_unregister_all(data->chat);
+
+	g_at_chat_send(data->chat, "AT+CFUN=0", none_prefix,
+					cfun_disable, modem, NULL);
+
+	return -EINPROGRESS;
+}
+
+static void set_online_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_modem_online_cb_t cb = cbd->cb;
+
+	if (ok)
+		CALLBACK_WITH_SUCCESS(cb, cbd->data);
+	else
+		CALLBACK_WITH_FAILURE(cb, cbd->data);
+}
+
+static void gobi_set_online(struct ofono_modem *modem, ofono_bool_t online,
+				ofono_modem_online_cb_t cb, void *user_data)
+{
+	struct gobi_data *data = ofono_modem_get_data(modem);
+	struct cb_data *cbd = cb_data_new(cb, user_data);
+	char const *command = online ? "AT+CFUN=1" : "AT+CFUN=4";
+
+	DBG("modem %p %s", modem, online ? "online" : "offline");
+
+	if (cbd == NULL || data->chat == NULL)
+		goto error;
+
+	if (g_at_chat_send(data->chat, command, NULL,
+					set_online_cb, cbd, g_free))
+		return;
+
+error:
+	g_free(cbd);
+
+	CALLBACK_WITH_FAILURE(cb, cbd->data);
+}
+
+static void gobi_pre_sim(struct ofono_modem *modem)
+{
+	struct gobi_data *data = ofono_modem_get_data(modem);
+	struct ofono_sim *sim;
+
+	DBG("%p", modem);
+
+	ofono_devinfo_create(modem, 0, "atmodem", data->chat);
+	sim = ofono_sim_create(modem, 0, "atmodem", data->chat);
+
+	if (sim)
+		ofono_sim_inserted_notify(sim, TRUE);
+}
+
+static void gobi_post_sim(struct ofono_modem *modem)
+{
+	struct gobi_data *data = ofono_modem_get_data(modem);
+
+	DBG("%p", modem);
+
+	ofono_phonebook_create(modem, 0, "atmodem", data->chat);
+}
+
+static void gobi_post_online(struct ofono_modem *modem)
+{
+	struct gobi_data *data = ofono_modem_get_data(modem);
+
+	DBG("%p", modem);
+
+	ofono_netreg_create(modem, 0, "atmodem", data->chat);
 }
 
 static struct ofono_modem_driver gobi_driver = {
 	.name		= "gobi",
 	.probe		= gobi_probe,
 	.remove		= gobi_remove,
+	.enable		= gobi_enable,
+	.disable	= gobi_disable,
+	.set_online     = gobi_set_online,
+	.pre_sim	= gobi_pre_sim,
+	.post_sim	= gobi_post_sim,
+	.post_online    = gobi_post_online,
 };
 
 static int gobi_init(void)