iceramodem: Add support special radio settings handling

diff --git a/Makefile.am b/Makefile.am
index 19844d9..d508ac5 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -201,7 +201,8 @@ builtin_modules += iceramodem
 builtin_sources += drivers/atmodem/atutil.h \
                        drivers/iceramodem/iceramodem.h \
                        drivers/iceramodem/iceramodem.c \
-                       drivers/iceramodem/gprs-context.c
+                       drivers/iceramodem/gprs-context.c \
+                       drivers/iceramodem/radio-settings.c
 
 builtin_modules += huaweimodem
 builtin_sources += drivers/atmodem/atutil.h \

diff --git a/drivers/iceramodem/iceramodem.c b/drivers/iceramodem/iceramodem.c
index 0e43a4c..3814d3e 100644 (file)
--- a/drivers/iceramodem/iceramodem.c
+++ b/drivers/iceramodem/iceramodem.c
@@ -35,6 +35,7 @@
 static int iceramodem_init(void)
 {
        icera_gprs_context_init();
+       icera_radio_settings_init();
 
        return 0;
 }
@@ -42,6 +43,7 @@ static int iceramodem_init(void)
 static void iceramodem_exit(void)
 {
        icera_gprs_context_exit();
+       icera_radio_settings_exit();
 }
 
 OFONO_PLUGIN_DEFINE(iceramodem, "Icera modem driver", VERSION,

diff --git a/drivers/iceramodem/iceramodem.h b/drivers/iceramodem/iceramodem.h
index 71f710f..d7ca360 100644 (file)
--- a/drivers/iceramodem/iceramodem.h
+++ b/drivers/iceramodem/iceramodem.h
@@ -23,3 +23,6 @@
 
 extern void icera_gprs_context_init(void);
 extern void icera_gprs_context_exit(void);
+
+extern void icera_radio_settings_init(void);
+extern void icera_radio_settings_exit(void);

diff --git a/drivers/iceramodem/radio-settings.c b/drivers/iceramodem/radio-settings.c
new file mode 100644 (file)
index 0000000..83b9b8c
--- /dev/null
+++ b/drivers/iceramodem/radio-settings.c
@@ -0,0 +1,216 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2011  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
+
+#define _GNU_SOURCE
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+
+#include <glib.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/radio-settings.h>
+
+#include "gatchat.h"
+#include "gatresult.h"
+
+#include "iceramodem.h"
+
+static const char *none_prefix[] = { NULL };
+static const char *ipsys_prefix[] = { "%IPSYS:", NULL };
+
+struct radio_settings_data {
+       GAtChat *chat;
+};
+
+static void ipsys_query_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct cb_data *cbd = user_data;
+       ofono_radio_settings_rat_mode_query_cb_t cb = cbd->cb;
+       enum ofono_radio_access_mode mode;
+       struct ofono_error error;
+       GAtResultIter iter;
+       int value;
+
+       decode_at_error(&error, g_at_result_final_response(result));
+
+       if (!ok) {
+               cb(&error, -1, cbd->data);
+               return;
+       }
+
+       g_at_result_iter_init(&iter, result);
+
+       if (g_at_result_iter_next(&iter, "%IPSYS:") == FALSE)
+               goto error;
+
+       if (g_at_result_iter_next_number(&iter, &value) == FALSE)
+               goto error;
+
+       switch (value) {
+       case 0:
+               mode = OFONO_RADIO_ACCESS_MODE_GSM;
+               break;
+       case 1:
+               mode = OFONO_RADIO_ACCESS_MODE_UMTS;
+               break;
+       case 2:
+       case 3:
+       case 5:
+               mode = OFONO_RADIO_ACCESS_MODE_ANY;
+               break;
+       default:
+               CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
+               return;
+       }
+
+       cb(&error, mode, cbd->data);
+
+       return;
+
+error:
+       CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
+}
+
+static void icera_query_rat_mode(struct ofono_radio_settings *rs,
+                               ofono_radio_settings_rat_mode_query_cb_t cb,
+                               void *data)
+{
+       struct radio_settings_data *rsd = ofono_radio_settings_get_data(rs);
+       struct cb_data *cbd = cb_data_new(cb, data);
+
+       if (g_at_chat_send(rsd->chat, "AT%IPSYS?", ipsys_prefix,
+                                       ipsys_query_cb, cbd, g_free) == 0) {
+               CALLBACK_WITH_FAILURE(cb, -1, data);
+               g_free(cbd);
+       }
+}
+
+static void ipsys_modify_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct cb_data *cbd = user_data;
+       ofono_radio_settings_rat_mode_set_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 icera_set_rat_mode(struct ofono_radio_settings *rs,
+                               enum ofono_radio_access_mode mode,
+                               ofono_radio_settings_rat_mode_set_cb_t cb,
+                               void *data)
+{
+       struct radio_settings_data *rsd = ofono_radio_settings_get_data(rs);
+       struct cb_data *cbd = cb_data_new(cb, data);
+       char buf[20];
+       int value = 5;
+
+       switch (mode) {
+       case OFONO_RADIO_ACCESS_MODE_ANY:
+               value = 5;
+               break;
+       case OFONO_RADIO_ACCESS_MODE_GSM:
+               value = 0;
+               break;
+       case OFONO_RADIO_ACCESS_MODE_UMTS:
+               value = 1;
+               break;
+       case OFONO_RADIO_ACCESS_MODE_LTE:
+               goto error;
+       }
+
+       snprintf(buf, sizeof(buf), "AT%%IPSYS=%u,2", value);
+
+       if (g_at_chat_send(rsd->chat, buf, none_prefix,
+                                       ipsys_modify_cb, cbd, g_free) > 0)
+               return;
+
+error:
+       CALLBACK_WITH_FAILURE(cb, data);
+       g_free(cbd);
+}
+
+static void ipsys_support_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct ofono_radio_settings *rs = user_data;
+
+       if (!ok) {
+               ofono_radio_settings_remove(rs);
+               return;
+       }
+
+       ofono_radio_settings_register(rs);
+}
+
+static int icera_radio_settings_probe(struct ofono_radio_settings *rs,
+                                       unsigned int vendor, void *data)
+{
+       GAtChat *chat = data;
+       struct radio_settings_data *rsd;
+
+       rsd = g_try_new0(struct radio_settings_data, 1);
+       if (rsd == NULL)
+               return -ENOMEM;
+
+       rsd->chat = g_at_chat_clone(chat);
+
+       ofono_radio_settings_set_data(rs, rsd);
+
+       g_at_chat_send(rsd->chat, "AT%IPSYS=?", ipsys_prefix,
+                                       ipsys_support_cb, rs, NULL);
+
+       return 0;
+}
+
+static void icera_radio_settings_remove(struct ofono_radio_settings *rs)
+{
+       struct radio_settings_data *rsd = ofono_radio_settings_get_data(rs);
+
+       ofono_radio_settings_set_data(rs, NULL);
+
+       g_at_chat_unref(rsd->chat);
+       g_free(rsd);
+}
+
+static struct ofono_radio_settings_driver driver = {
+       .name                   = "iceramodem",
+       .probe                  = icera_radio_settings_probe,
+       .remove                 = icera_radio_settings_remove,
+       .query_rat_mode         = icera_query_rat_mode,
+       .set_rat_mode           = icera_set_rat_mode
+};
+
+void icera_radio_settings_init(void)
+{
+       ofono_radio_settings_driver_register(&driver);
+}
+
+void icera_radio_settings_exit(void)
+{
+       ofono_radio_settings_driver_unregister(&driver);
+}