1 files changed, 121 insertions, 0 deletions
diff --git a/plugins/cinterion/mm-modem-helpers-cinterion.c b/plugins/cinterion/mm-modem-helpers-cinterion.c
new file mode 100644
index 00000000..7e350512
--- /dev/null
+++ b/plugins/cinterion/mm-modem-helpers-cinterion.c
@@ -0,0 +1,121 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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:
+ *
+ * Copyright (C) 2014 Aleksander Morgado <aleksander@aleksander.es>
+ */
+
+#include <config.h>
+#include <string.h>
+
+#include "ModemManager.h"
+#define _LIBMM_INSIDE_MM
+#include <libmm-glib.h>
+#include "mm-errors-types.h"
+#include "mm-modem-helpers-cinterion.h"
+
+/* Setup relationship between the 3G band bitmask in the modem and the bitmask
+ * in ModemManager. */
+typedef struct {
+    guint32 cinterion_band_flag;
+    MMModemBand mm_band;
+} CinterionBand3G;
+
+/* Table checked in HC25 and PHS8 references. This table includes both 2G and 3G
+ * frequencies. Depending on which one is configured, one access technology or
+ * the other will be used. This may conflict with the allowed mode configuration
+ * set, so you shouldn't for example set 3G frequency bands, and then use a
+ * 2G-only allowed mode. */
+static const CinterionBand3G bands_3g[] = {
+    { (1 << 0), MM_MODEM_BAND_EGSM  },
+    { (1 << 1), MM_MODEM_BAND_DCS   },
+    { (1 << 2), MM_MODEM_BAND_PCS   },
+    { (1 << 3), MM_MODEM_BAND_G850  },
+    { (1 << 4), MM_MODEM_BAND_U2100 },
+    { (1 << 5), MM_MODEM_BAND_U1900 },
+    { (1 << 6), MM_MODEM_BAND_U850  },
+    { (1 << 7), MM_MODEM_BAND_U900  },
+    { (1 << 8), MM_MODEM_BAND_U800  }
+};
+
+/*****************************************************************************/
+/* ^SCFG (3G) test parser
+ *
+ * Example:
+ *   AT^SCFG=?
+ *     ...
+ *     ^SCFG: "MEShutdown/OnIgnition",("on","off")
+ *     ^SCFG: "Radio/Band",("1-511","0-1")
+ *     ^SCFG: "Radio/NWSM",("0","1","2")
+ *     ...
+ *
+ */
+
+gboolean
+mm_cinterion_parse_scfg_3g_test (const gchar *response,
+                                 GArray **supported_bands,
+                                 GError **error)
+{
+    GRegex *r;
+    GMatchInfo *match_info;
+    GError *inner_error = NULL;
+    GArray *bands = NULL;
+
+    if (!response) {
+        g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Missing response");
+        return FALSE;
+    }
+
+    r = g_regex_new ("\\^SCFG:\\s*\"Radio/Band\",\\(\"(\\d+)-(\\d+)\",.*\\)",
+                     G_REGEX_DOLLAR_ENDONLY | G_REGEX_RAW,
+                     0, NULL);
+    g_assert (r != NULL);
+
+    g_regex_match_full (r, response, strlen (response), 0, 0, &match_info, &inner_error);
+    if (!inner_error && g_match_info_matches (match_info)) {
+        guint maxband;
+
+        if (!mm_get_uint_from_match_info (match_info, 2, &maxband)) {
+            inner_error = g_error_new (MM_CORE_ERROR,
+                                       MM_CORE_ERROR_FAILED,
+                                       "Couldn't parse ^SCFG=? response");
+        } else {
+            guint i;
+
+            for (i = 0; i < G_N_ELEMENTS (bands_3g); i++) {
+                if (maxband & bands_3g[i].cinterion_band_flag) {
+                    if (G_UNLIKELY (!bands))
+                        bands = g_array_sized_new (FALSE, FALSE, sizeof (MMModemBand), 9);
+                    g_array_append_val (bands, bands_3g[i].mm_band);
+                }
+            }
+        }
+    }
+
+    if (match_info)
+        g_match_info_free (match_info);
+    g_regex_unref (r);
+
+    if (!bands)
+        inner_error = g_error_new (MM_CORE_ERROR,
+                                   MM_CORE_ERROR_FAILED,
+                                   "No valid bands found in ^SCFG=? response");
+
+    if (inner_error) {
+        g_propagate_error (error, inner_error);
+        return FALSE;
+    }
+
+    g_assert (bands != NULL && bands->len > 0);
+    *supported_bands = bands;
+
+    return TRUE;
+}