simtech: start porting the SimTech plugin

2012-04-13 19:59:39 +02:00
parent 01a17f5c6c
commit 7183216d9d
4 changed files with 149 additions and 212 deletions
--- a/plugins/simtech/mm-plugin-simtech.c
+++ b/plugins/simtech/mm-plugin-simtech.c
@@ -0,0 +1,139 @@
+/* -*- 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) 2008 - 2009 Novell, Inc.
+ * Copyright (C) 2009 - 2012 Red Hat, Inc.
+ * Copyright (C) 2012 Aleksander Morgado <aleksander@gnu.org>
+ */
+
+#include <string.h>
+#include <gmodule.h>
+#include <libmm-common.h>
+
+#include "mm-plugin-simtech.h"
+#include "mm-broadband-modem.h"
+
+G_DEFINE_TYPE (MMPluginSimtech, mm_plugin_simtech, MM_TYPE_PLUGIN_BASE)
+
+int mm_plugin_major_version = MM_PLUGIN_MAJOR_VERSION;
+int mm_plugin_minor_version = MM_PLUGIN_MINOR_VERSION;
+
+
+/*****************************************************************************/
+
+static MMBaseModem *
+grab_port (MMPluginBase *base,
+           MMBaseModem *existing,
+           MMPortProbe *probe,
+           GError **error)
+{
+    MMBaseModem *modem = NULL;
+    GUdevDevice *port;
+    MMPortType ptype;
+    const gchar *name, *subsys;
+    guint16 vendor = 0, product = 0;
+    MMAtPortFlag pflags = MM_AT_PORT_FLAG_NONE;
+
+    /* The Simtech plugin cannot do anything with non-AT non-QCDM ports */
+    if (!mm_port_probe_is_at (probe) &&
+        !mm_port_probe_is_qcdm (probe)) {
+        g_set_error_literal (error,
+                             MM_CORE_ERROR,
+                             MM_CORE_ERROR_UNSUPPORTED,
+                             "Ignoring non-AT non-QCDM port");
+        return NULL;
+    }
+
+    port = mm_port_probe_get_port (probe); /* transfer none */
+    subsys = mm_port_probe_get_port_subsys (probe);
+    name = mm_port_probe_get_port_name (probe);
+
+    if (!mm_plugin_base_get_device_ids (base, subsys, name, &vendor, &product)) {
+        g_set_error_literal (error,
+                             MM_CORE_ERROR,
+                             MM_CORE_ERROR_FAILED,
+                             "Could not get modem product ID");
+        return NULL;
+    }
+
+    /* Look for port type hints; just probing can't distinguish which port should
+     * be the data/primary port on these devices.  We have to tag them based on
+     * what the Windows .INF files say the port layout should be.
+     */
+    if (g_udev_device_get_property_as_boolean (port, "ID_MM_SIMTECH_PORT_TYPE_MODEM"))
+        pflags = MM_AT_PORT_FLAG_PRIMARY;
+    else if (g_udev_device_get_property_as_boolean (port, "ID_MM_SIMTECH_PORT_TYPE_AUX"))
+        pflags = MM_AT_PORT_FLAG_SECONDARY;
+
+    /* If the port was tagged by the udev rules but isn't a primary or secondary,
+     * then ignore it to guard against race conditions if a device just happens
+     * to show up with more than two AT-capable ports.
+     */
+    if (pflags == MM_AT_PORT_FLAG_NONE &&
+        g_udev_device_get_property_as_boolean (port, "ID_MM_SIMTECH_TAGGED"))
+        ptype = MM_PORT_TYPE_IGNORED;
+    else
+        ptype = mm_port_probe_get_port_type (probe);
+
+    /* If this is the first port being grabbed, create a new modem object */
+    if (!existing)
+        modem = MM_BASE_MODEM (mm_broadband_modem_new (mm_port_probe_get_port_physdev (probe),
+                                                       mm_port_probe_get_port_driver (probe),
+                                                       mm_plugin_get_name (MM_PLUGIN (base)),
+                                                       vendor,
+                                                       product));
+
+    if (!mm_base_modem_grab_port (existing ? existing : modem,
+                                  subsys,
+                                  name,
+                                  ptype,
+                                  pflags,
+                                  error)) {
+        if (modem)
+            g_object_unref (modem);
+        return NULL;
+    }
+
+    return existing ? existing : modem;
+}
+
+/*****************************************************************************/
+
+G_MODULE_EXPORT MMPlugin *
+mm_plugin_create (void)
+{
+    static const gchar *subsystems[] = { "tty", NULL };
+    static const guint16 vendor_ids[] = { 0x1e0e, /* A-Link (for now) */
+                                          0 };
+
+    return MM_PLUGIN (
+        g_object_new (MM_TYPE_PLUGIN_SIMTECH,
+                      MM_PLUGIN_BASE_NAME, "SimTech",
+                      MM_PLUGIN_BASE_ALLOWED_SUBSYSTEMS, subsystems,
+                      MM_PLUGIN_BASE_ALLOWED_VENDOR_IDS, vendor_ids,
+                      MM_PLUGIN_BASE_ALLOWED_AT, TRUE,
+                      MM_PLUGIN_BASE_ALLOWED_QCDM, TRUE,
+                      NULL));
+}
+
+static void
+mm_plugin_simtech_init (MMPluginSimtech *self)
+{
+}
+
+static void
+mm_plugin_simtech_class_init (MMPluginSimtechClass *klass)
+{
+    MMPluginBaseClass *pb_class = MM_PLUGIN_BASE_CLASS (klass);
+
+    pb_class->grab_port = grab_port;
+}