---
 Makefile.am                              |    3 +-
 drivers/cdmamodem/cdmamodem.c            |    2 +
 drivers/cdmamodem/cdmamodem.h            |    2 +
 drivers/cdmamodem/network-registration.c |  211 ++++++++++++++++++++++++++++++
 4 files changed, 217 insertions(+), 1 deletions(-)
 create mode 100644 drivers/cdmamodem/network-registration.c

diff --git a/Makefile.am b/Makefile.am
index c245b4c..272e28d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -257,7 +257,8 @@ builtin_modules += cdmamodem
 builtin_sources += drivers/cdmamodem/cdmamodem.h \
                        drivers/cdmamodem/cdmamodem.c \
                        drivers/cdmamodem/voicecall.c \
-                       drivers/cdmamodem/devinfo.c
+                       drivers/cdmamodem/devinfo.c \
+                       drivers/cdmamodem/network-registration.c
 endif
 
 builtin_modules += g1
diff --git a/drivers/cdmamodem/cdmamodem.c b/drivers/cdmamodem/cdmamodem.c
index 9eddd88..492f1f0 100644
--- a/drivers/cdmamodem/cdmamodem.c
+++ b/drivers/cdmamodem/cdmamodem.c
@@ -36,6 +36,7 @@ static int cdmamodem_init(void)
 {
        cdma_voicecall_init();
        cdma_devinfo_init();
+       cdma_netreg_init();
 
        return 0;
 }
@@ -44,6 +45,7 @@ static void cdmamodem_exit(void)
 {
        cdma_voicecall_exit();
        cdma_devinfo_exit();
+       cdma_netreg_exit();
 }
 
 OFONO_PLUGIN_DEFINE(cdmamodem, "CDMA AT modem driver", VERSION,
diff --git a/drivers/cdmamodem/cdmamodem.h b/drivers/cdmamodem/cdmamodem.h
index 4365bec..a1fbf65 100644
--- a/drivers/cdmamodem/cdmamodem.h
+++ b/drivers/cdmamodem/cdmamodem.h
@@ -25,3 +25,5 @@ extern void cdma_voicecall_init(void);
 extern void cdma_voicecall_exit(void);
 extern void cdma_devinfo_init(void);
 extern void cdma_devinfo_exit(void);
+extern void cdma_netreg_init(void);
+extern void cdma_netreg_exit(void);
diff --git a/drivers/cdmamodem/network-registration.c 
b/drivers/cdmamodem/network-registration.c
new file mode 100644
index 0000000..4135fe1
--- /dev/null
+++ b/drivers/cdmamodem/network-registration.c
@@ -0,0 +1,211 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2011  Nokia 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 <glib.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/cdma-netreg.h>
+
+#include "gatchat.h"
+#include "gatresult.h"
+
+#include "cdmamodem.h"
+
+/* Time interval in seconds between CSQ polls */
+#define CSQ_INTERVAL 5
+
+struct cdma_netreg_data {
+       GAtChat *chat;
+       unsigned int vendor;
+       unsigned int csq_source;
+};
+
+static gboolean cdma_get_next_number(const char *line, gint *number)
+{
+       int pos;
+       int end;
+       int len;
+       int value = 0;
+
+       len = strlen(line);
+
+       pos = 0;
+       end = pos;
+
+       while (line[end] >= '0' && line[end] <= '9') {
+               value = value * 10 + (int)(line[end] - '0');
+               end += 1;
+       }
+
+       if (pos == end)
+               return FALSE;
+
+       pos = skip_to_next_field(line, end, len);
+
+       if (number)
+               *number = value;
+
+       return TRUE;
+}
+
+static void cdma_csq_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct cb_data *cbd = user_data;
+       ofono_cdma_netreg_strength_cb_t cb = cbd->cb;
+       const char *prefix = cbd->user;
+       struct ofono_error error;
+       const char *attr;
+       int strength = -1;
+
+       decode_at_error(&error, g_at_result_final_response(result));
+
+       if (!ok) {
+               cb(&error, -1, cbd->data);
+               return;
+       }
+
+       if (at_util_parse_attr(result, prefix, &attr) == FALSE) {
+               CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
+               return;
+       }
+
+       cdma_get_next_number(attr, &strength);
+
+       DBG("csq_cb: %d", strength);
+
+       cb(&error, at_util_convert_signal_strength(strength), cbd->data);
+}
+
+static void cdma_signal_strength(struct ofono_cdma_netreg *netreg,
+                               ofono_cdma_netreg_strength_cb_t cb, void *data)
+{
+       struct cdma_netreg_data *nd = ofono_cdma_netreg_get_data(netreg);
+       struct cb_data *cbd = cb_data_new(cb, data);
+
+       cbd->user = "AT+CSQ";
+
+       if (g_at_chat_send(nd->chat, "AT+CSQ", NULL,
+                               cdma_csq_cb, cbd, g_free) > 0)
+               return;
+
+       g_free(cbd);
+
+       CALLBACK_WITH_FAILURE(cb, -1, data);
+}
+
+static gboolean cdma_poll_csq(gpointer user_data);
+
+static void cdma_poll_csq_cb(const struct ofono_error *error, int strength,
+                               void *data)
+{
+       struct ofono_cdma_netreg *netreg = data;
+       struct cdma_netreg_data *nd = ofono_cdma_netreg_get_data(netreg);
+
+       if(error->type == OFONO_ERROR_TYPE_NO_ERROR)
+               ofono_cdma_netreg_strength_notify(netreg, strength);
+
+       /* Initiate the next poll */
+       nd->csq_source = g_timeout_add_seconds(CSQ_INTERVAL, cdma_poll_csq, 
netreg);
+}
+
+static gboolean cdma_poll_csq(gpointer user_data)
+{
+       struct ofono_cdma_netreg *netreg = user_data;
+       struct cdma_netreg_data *nd = ofono_cdma_netreg_get_data(netreg);
+       struct cb_data *cbd = cb_data_new(cdma_poll_csq_cb, netreg);
+
+       cbd->user = "AT+CSQ";
+
+       g_at_chat_send(nd->chat, "AT+CSQ", NULL, cdma_csq_cb, cbd, g_free);
+
+       nd->csq_source = 0;
+
+       return FALSE;
+}
+
+static gboolean cdma_netreg_register(gpointer user_data)
+{
+       struct ofono_cdma_netreg *netreg = user_data;
+       struct cdma_netreg_data *nd = ofono_cdma_netreg_get_data(netreg);
+
+       ofono_cdma_netreg_register(netreg);
+
+       nd->csq_source = g_timeout_add_seconds(CSQ_INTERVAL, cdma_poll_csq, 
netreg);
+
+       return FALSE;
+}
+
+static int cdma_netreg_probe(struct ofono_cdma_netreg *netreg,
+                               unsigned int vendor, void *data)
+{
+       GAtChat *chat = data;
+       struct cdma_netreg_data *nd;
+
+       nd = g_new0(struct cdma_netreg_data, 1);
+
+       nd->chat = g_at_chat_clone(chat);
+       nd->vendor = vendor;
+
+       ofono_cdma_netreg_set_data(netreg, nd);
+       g_idle_add(cdma_netreg_register, netreg);
+
+       return 0;
+}
+
+static void cdma_netreg_remove(struct ofono_cdma_netreg *netreg)
+{
+       struct cdma_netreg_data *nd = ofono_cdma_netreg_get_data(netreg);
+
+       if (nd->csq_source)
+               g_source_remove(nd->csq_source);
+
+       ofono_cdma_netreg_set_data(netreg, NULL);
+
+       g_at_chat_unref(nd->chat);
+       g_free(nd);
+}
+
+static struct ofono_cdma_netreg_driver driver = {
+       .name                           = "cdmamodem",
+       .probe                          = cdma_netreg_probe,
+       .remove                         = cdma_netreg_remove,
+       .strength                       = cdma_signal_strength,
+};
+
+void cdma_netreg_init(void)
+{
+       ofono_cdma_netreg_driver_register(&driver);
+}
+
+void cdma_netreg_exit(void)
+{
+       ofono_cdma_netreg_driver_unregister(&driver);
+}
-- 
1.7.0.4

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