--- /dev/null
+/*
+ *
+ * oFono - Open Source Telephony
+ *
+ * Copyright (C) 2014 Philip Paeps. 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 <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/modem.h>
+#include <ofono/devinfo.h>
+#include <ofono/netreg.h>
+#include <ofono/sim.h>
+#include <ofono/gprs.h>
+#include <ofono/gprs-context.h>
+#include <ofono/log.h>
+
+#include <drivers/atmodem/atutil.h>
+#include <drivers/atmodem/vendor.h>
+
+static const char *cfun_prefix[] = { "+CFUN:", NULL };
+static const char *cpin_prefix[] = { "+CPIN:", NULL };
+static const char *none_prefix[] = { NULL };
+
+struct quectel_data {
+ GAtChat *modem;
+ GAtChat *aux;
+ guint cpin_ready;
+ gboolean have_sim;
+};
+
+static void quectel_debug(const char *str, void *user_data)
+{
+ const char *prefix = user_data;
+
+ ofono_info("%s%s", prefix, str);
+}
+
+static int quectel_probe(struct ofono_modem *modem)
+{
+ struct quectel_data *data;
+
+ DBG("%p", modem);
+
+ data = g_try_new0(struct quectel_data, 1);
+ if (data == NULL)
+ return -ENOMEM;
+
+ ofono_modem_set_data(modem, data);
+
+ return 0;
+}
+
+static void quectel_remove(struct ofono_modem *modem)
+{
+ struct quectel_data *data = ofono_modem_get_data(modem);
+
+ DBG("%p", modem);
+
+ if (data->cpin_ready != 0)
+ g_at_chat_unregister(data->aux, data->cpin_ready);
+
+ ofono_modem_set_data(modem, NULL);
+ g_at_chat_unref(data->aux);
+ g_at_chat_unref(data->modem);
+ 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_gsm_permissive();
+ 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, quectel_debug, debug);
+
+ return chat;
+}
+
+static void cpin_notify(GAtResult *result, gpointer user_data)
+{
+ struct ofono_modem *modem = user_data;
+ struct quectel_data *data = ofono_modem_get_data(modem);
+ const char *sim_inserted;
+ GAtResultIter iter;
+
+ DBG("%p", modem);
+
+ g_at_result_iter_init(&iter, result);
+
+ if (!g_at_result_iter_next(&iter, "+CPIN:"))
+ return;
+
+ g_at_result_iter_next_unquoted_string(&iter, &sim_inserted);
+
+ if (g_strcmp0(sim_inserted, "NOT INSERTED") != 0)
+ data->have_sim = TRUE;
+
+ ofono_modem_set_powered(modem, TRUE);
+
+ /* Turn off the radio. */
+ g_at_chat_send(data->aux, "AT+CFUN=4", none_prefix, NULL, NULL, NULL);
+
+ g_at_chat_unregister(data->aux, data->cpin_ready);
+ data->cpin_ready = 0;
+}
+
+static void cpin_query(gboolean ok, GAtResult *result, gpointer user_data)
+{
+ DBG("ok %d", ok);
+
+ if (ok)
+ cpin_notify(result, user_data);
+}
+
+static void cfun_enable(gboolean ok, GAtResult *result, gpointer user_data)
+{
+ struct ofono_modem *modem = user_data;
+ struct quectel_data *data = ofono_modem_get_data(modem);
+
+ DBG("ok %d", ok);
+
+ if (!ok) {
+ g_at_chat_unref(data->aux);
+ data->aux = NULL;
+ g_at_chat_unref(data->modem);
+ data->modem = NULL;
+ ofono_modem_set_powered(modem, FALSE);
+ return;
+ }
+
+ data->cpin_ready = g_at_chat_register(data->aux, "+CPIN", cpin_notify,
+ FALSE, modem, NULL);
+ g_at_chat_send(data->aux, "AT+CPIN?", cpin_prefix, cpin_query,
+ modem, NULL);
+}
+
+static void cfun_query(gboolean ok, GAtResult *result, gpointer user_data)
+{
+ struct ofono_modem *modem = user_data;
+ struct quectel_data *data = ofono_modem_get_data(modem);
+ GAtResultIter iter;
+ int status;
+
+ DBG("ok %d", ok);
+
+ if (!ok)
+ return;
+
+ g_at_result_iter_init(&iter, result);
+
+ if (g_at_result_iter_next(&iter, "+CFUN:") == FALSE)
+ return;
+
+ g_at_result_iter_next_number(&iter, &status);
+
+ /*
+ * The modem firmware powers up in CFUN=1 but will respond to AT+CFUN=4
+ * with ERROR until some amount of time (which varies with temperature)
+ * passes. Empirical evidence suggests that the firmware will report an
+ * unsolicited +CPIN: notification when it is ready to be useful.
+ *
+ * Work around this feature by only transitioning to CFUN=4 after we've
+ * received an unsolicited +CPIN: notification.
+ */
+
+ if (status != 1) {
+ g_at_chat_send(data->aux, "AT+CFUN=4", none_prefix,
+ cfun_enable, modem, NULL);
+ return;
+ }
+
+ cfun_enable(TRUE, NULL, modem);
+}
+
+static int quectel_enable(struct ofono_modem *modem)
+{
+ struct quectel_data *data = ofono_modem_get_data(modem);
+
+ DBG("%p", modem);
+
+ data->modem = open_device(modem, "Modem", "Modem: ");
+ if (data->modem == NULL)
+ return -EINVAL;
+
+ data->aux = open_device(modem, "Aux", "Aux: ");
+ if (data->aux == NULL) {
+ g_at_chat_unref(data->modem);
+ data->modem = NULL;
+ return -EIO;
+ }
+ g_at_chat_set_slave(data->modem, data->aux);
+
+ g_at_chat_send(data->modem, "ATE0 &C0 +CMEE=1", none_prefix,
+ NULL, NULL, NULL);
+ g_at_chat_send(data->aux, "ATE0 &C0 +CMEE=1", none_prefix,
+ NULL, NULL, NULL);
+
+ g_at_chat_send(data->aux, "AT+CFUN?", cfun_prefix,
+ cfun_query, modem, NULL);
+
+ return -EINPROGRESS;
+}
+
+static void cfun_disable(gboolean ok, GAtResult *result, gpointer user_data)
+{
+ struct ofono_modem *modem = user_data;
+ struct quectel_data *data = ofono_modem_get_data(modem);
+
+ DBG("");
+
+ g_at_chat_unref(data->aux);
+ data->aux = NULL;
+
+ if (ok)
+ ofono_modem_set_powered(modem, FALSE);
+}
+
+static int quectel_disable(struct ofono_modem *modem)
+{
+ struct quectel_data *data = ofono_modem_get_data(modem);
+
+ DBG("%p", modem);
+
+ g_at_chat_cancel_all(data->modem);
+ g_at_chat_unregister_all(data->modem);
+
+ g_at_chat_unref(data->modem);
+ data->modem = NULL;
+
+ g_at_chat_cancel_all(data->aux);
+ g_at_chat_unregister_all(data->aux);
+
+ g_at_chat_send(data->aux, "AT+CFUN=0", cfun_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;
+ struct ofono_error error;
+
+ decode_at_error(&error, g_at_result_final_response(result));
+ cb(&error, cbd->data);
+}
+
+static void quectel_set_online(struct ofono_modem *modem, ofono_bool_t online,
+ ofono_modem_online_cb_t cb, void *user_data)
+{
+ struct quectel_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 (g_at_chat_send(data->aux, command, cfun_prefix, set_online_cb,
+ cbd, g_free) > 0)
+ return;
+
+ CALLBACK_WITH_FAILURE(cb, cbd->data);
+
+ g_free(cbd);
+}
+
+static void quectel_pre_sim(struct ofono_modem *modem)
+{
+ struct quectel_data *data = ofono_modem_get_data(modem);
+ struct ofono_sim *sim;
+
+ DBG("%p", modem);
+
+ ofono_devinfo_create(modem, OFONO_VENDOR_QUECTEL, "atmodem",
+ data->aux);
+ sim = ofono_sim_create(modem, OFONO_VENDOR_QUECTEL, "atmodem",
+ data->aux);
+
+ if (sim && data->have_sim == TRUE)
+ ofono_sim_inserted_notify(sim, TRUE);
+}
+
+static void quectel_post_sim(struct ofono_modem *modem)
+{
+ struct quectel_data *data = ofono_modem_get_data(modem);
+ struct ofono_gprs *gprs;
+ struct ofono_gprs_context *gc;
+
+ DBG("%p", modem);
+
+ gprs = ofono_gprs_create(modem, OFONO_VENDOR_QUECTEL, "atmodem",
+ data->aux);
+ gc = ofono_gprs_context_create(modem, OFONO_VENDOR_QUECTEL, "atmodem",
+ data->modem);
+
+ if (gprs && gc)
+ ofono_gprs_add_context(gprs, gc);
+}
+
+static void quectel_post_online(struct ofono_modem *modem)
+{
+ struct quectel_data *data = ofono_modem_get_data(modem);
+
+ ofono_netreg_create(modem, OFONO_VENDOR_QUECTEL, "atmodem",
+ data->aux);
+}
+
+static struct ofono_modem_driver quectel_driver = {
+ .name = "quectel",
+ .probe = quectel_probe,
+ .remove = quectel_remove,
+ .enable = quectel_enable,
+ .disable = quectel_disable,
+ .set_online = quectel_set_online,
+ .pre_sim = quectel_pre_sim,
+ .post_sim = quectel_post_sim,
+ .post_online = quectel_post_online,
+};
+
+static int quectel_init(void)
+{
+ return ofono_modem_driver_register(&quectel_driver);
+}
+
+static void quectel_exit(void)
+{
+ ofono_modem_driver_unregister(&quectel_driver);
+}
+
+OFONO_PLUGIN_DEFINE(quectel, "Quectel driver", VERSION,
+ OFONO_PLUGIN_PRIORITY_DEFAULT, quectel_init, quectel_exit)
projects / platform / upstream / ofono.git / commitdiff