mtk: add mtk plugin which support mbim interface

Add MTK plugin for mtk_t7xx platform which support MBIM interface.

meson.build

@@ -336,6 +336,7 @@ plugins_options_reqs = {
   'mbm': {'available': true, 'shared': []},
   'motorola': {'available': true, 'shared': []},
   'mtk-legacy': {'available': true, 'shared': []},
+  'mtk': {'available': true, 'shared': []},
   'nokia': {'available': true, 'shared': []},
   'nokia-icera': {'available': true, 'shared': ['icera']},
   'novatel': {'available': true, 'shared': ['novatel']},

meson_options.txt

@@ -53,6 +53,7 @@ option('plugin_mbm', type: 'feature', value: 'auto', description: 'enable mbm pl
 option('plugin_motorola', type: 'feature', value: 'auto', description: 'enable motorola plugin support')
 option('plugin_mtk_legacy', type: 'feature', value: 'auto', description: 'enable mtk
 legacy plugin support')
+option('plugin_mtk', type: 'feature', value: 'auto', description: 'enable mtk plugin support')
 option('plugin_nokia', type: 'feature', value: 'auto', description: 'enable nokia plugin support')
 
 # shared_icera

src/plugins/meson.build

@@ -639,6 +639,21 @@ if plugins_options['mtk-legacy']
   plugins_udev_rules += files('mtk/77-mm-mtk-port-types.rules')
 endif
 
+# plugin: mtk
+if plugins_options['mtk']
+  test_udev_rules_dir_c_args = ['-DTESTUDEVRULESDIR_MTK="@0@"'.format(plugins_dir / 'mtk')]
+  plugins_test_udev_rules_dir_c_args += test_udev_rules_dir_c_args
+
+  sources = files(
+    'mtk/mm-plugin-mtk.c',
+  )
+
+  plugins += {'plugin-mtk': {
+    'plugin': true,
+    'module': {'sources': sources, 'include_directories': plugins_incs, 'c_args': test_udev_rules_dir_c_args + ['-DMM_MODULE_NAME="mtk"']},
+  }}
+endif
+
 # plugin: nokia
 if plugins_options['nokia']
   sources = files(

src/plugins/mtk/mm-plugin-mtk.c

@@ -0,0 +1,95 @@
+/* -*- 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) 2023 Mediatek, Inc
+ */
+
+#include <string.h>
+#include <gmodule.h>
+
+#define _LIBMM_INSIDE_MM
+#include <libmm-glib.h>
+
+#include "mm-plugin-common.h"
+#include "mm-broadband-modem.h"
+#if defined WITH_MBIM
+#include "mm-broadband-modem-mbim.h"
+#endif
+#include "mm-log.h"
+
+#define MM_TYPE_PLUGIN_MTK mm_plugin_mtk_get_type ()
+MM_DEFINE_PLUGIN (MTK, mtk, Mtk)
+
+/*****************************************************************************/
+static MMBaseModem *
+create_modem (MMPlugin *self,
+              const gchar *uid,
+              const gchar  *physdev,
+              const gchar **drivers,
+              guint16 vendor,
+              guint16 product,
+              guint16 subsystem_vendor,
+              GList *probes,
+              GError **error)
+{
+#if defined WITH_MBIM
+    if (mm_port_probe_list_has_mbim_port (probes)) {
+        mm_obj_dbg (self, "MBIM-powered MTK modem found...");
+        return MM_BASE_MODEM (mm_broadband_modem_mbim_new (uid,
+                                                           physdev,
+                                                           drivers,
+                                                           mm_plugin_get_name (self),
+                                                           vendor,
+                                                           product));
+    }
+#endif
+
+    return MM_BASE_MODEM (mm_broadband_modem_new (uid,
+                                                  physdev,
+                                                  drivers,
+                                                  mm_plugin_get_name (self),
+                                                  vendor,
+                                                  product));
+}
+
+/*****************************************************************************/
+
+MM_PLUGIN_NAMED_CREATOR_SCOPE MMPlugin *
+mm_plugin_create_mtk (void)
+{
+    static const gchar *subsystems[] = { "wwan", "net", NULL };
+    static const gchar *drivers[] = { "mtk_t7xx", NULL };
+
+    MMPlugin *self = MM_PLUGIN (
+        g_object_new (MM_TYPE_PLUGIN_MTK,
+                      MM_PLUGIN_NAME,               MM_MODULE_NAME,
+                      MM_PLUGIN_ALLOWED_SUBSYSTEMS, subsystems,
+                      MM_PLUGIN_ALLOWED_DRIVERS,    drivers,
+                      MM_PLUGIN_ALLOWED_AT,         TRUE,
+                      MM_PLUGIN_ALLOWED_MBIM,       TRUE,
+                      NULL));
+
+    return self;
+}
+
+static void
+mm_plugin_mtk_init (MMPluginMtk *self)
+{
+}
+
+static void
+mm_plugin_mtk_class_init (MMPluginMtkClass *klass)
+{
+    MMPluginClass *plugin_class = MM_PLUGIN_CLASS (klass);
+
+    plugin_class->create_modem = create_modem;
+}