simtech: add plugin for Simtech-based modems (like A-Link 3GU)
This commit is contained in:
Dan Williams
189
plugins/mm-plugin-simtech.c
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189
plugins/mm-plugin-simtech.c
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details:
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*
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* Copyright (C) 2008 - 2009 Novell, Inc.
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* Copyright (C) 2009 - 2010 Red Hat, Inc.
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*/
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#include <string.h>
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#include <gmodule.h>
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#include "mm-plugin-simtech.h"
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#include "mm-modem-simtech-gsm.h"
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#include "mm-generic-gsm.h"
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#include "mm-generic-cdma.h"
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G_DEFINE_TYPE (MMPluginSimtech, mm_plugin_simtech, MM_TYPE_PLUGIN_BASE)
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int mm_plugin_major_version = MM_PLUGIN_MAJOR_VERSION;
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int mm_plugin_minor_version = MM_PLUGIN_MINOR_VERSION;
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G_MODULE_EXPORT MMPlugin *
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mm_plugin_create (void)
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{
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return MM_PLUGIN (g_object_new (MM_TYPE_PLUGIN_SIMTECH,
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MM_PLUGIN_BASE_NAME, "SimTech",
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NULL));
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}
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/*****************************************************************************/
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#define CAP_CDMA (MM_PLUGIN_BASE_PORT_CAP_IS707_A | \
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MM_PLUGIN_BASE_PORT_CAP_IS707_P | \
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MM_PLUGIN_BASE_PORT_CAP_IS856 | \
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MM_PLUGIN_BASE_PORT_CAP_IS856_A)
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static guint32
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get_level_for_capabilities (guint32 capabilities)
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{
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if (capabilities & MM_PLUGIN_BASE_PORT_CAP_GSM)
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return 10;
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if (capabilities & CAP_CDMA)
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return 10;
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if (capabilities & MM_PLUGIN_BASE_PORT_CAP_QCDM)
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return 10;
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return 0;
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}
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static void
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probe_result (MMPluginBase *base,
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MMPluginBaseSupportsTask *task,
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guint32 capabilities,
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gpointer user_data)
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{
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mm_plugin_base_supports_task_complete (task, get_level_for_capabilities (capabilities));
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}
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static MMPluginSupportsResult
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supports_port (MMPluginBase *base,
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MMModem *existing,
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MMPluginBaseSupportsTask *task)
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{
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GUdevDevice *port;
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guint32 cached = 0, level;
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guint16 vendor = 0;
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const char *subsys, *name;
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/* Can't do anything with non-serial ports */
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port = mm_plugin_base_supports_task_get_port (task);
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if (strcmp (g_udev_device_get_subsystem (port), "tty"))
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return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
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subsys = g_udev_device_get_subsystem (port);
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name = g_udev_device_get_name (port);
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if (!mm_plugin_base_get_device_ids (base, subsys, name, &vendor, NULL))
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return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
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/* A-Link (for now) */
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if (vendor != 0x1e0e)
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return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
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if (mm_plugin_base_get_cached_port_capabilities (base, port, &cached)) {
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level = get_level_for_capabilities (cached);
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if (level) {
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mm_plugin_base_supports_task_complete (task, level);
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return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS;
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}
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return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
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}
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/* Otherwise kick off a probe */
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if (mm_plugin_base_probe_port (base, task, NULL))
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return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS;
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return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
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}
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static MMModem *
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grab_port (MMPluginBase *base,
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MMModem *existing,
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MMPluginBaseSupportsTask *task,
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GError **error)
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{
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GUdevDevice *port = NULL;
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MMModem *modem = NULL;
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const char *name, *subsys, *sysfs_path;
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guint32 caps;
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MMPortType ptype = MM_PORT_TYPE_UNKNOWN;
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port = mm_plugin_base_supports_task_get_port (task);
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g_assert (port);
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/* Look for port type hints; just probing can't distinguish which port should
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* be the data/primary port on these devices. We have to tag them based on
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* what the Windows .INF files say the port layout should be.
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*/
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if (g_udev_device_get_property_as_boolean (port, "ID_MM_SIMTECH_PORT_TYPE_MODEM"))
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ptype = MM_PORT_TYPE_PRIMARY;
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else if (g_udev_device_get_property_as_boolean (port, "ID_MM_SIMTECH_PORT_TYPE_AUX"))
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ptype = MM_PORT_TYPE_SECONDARY;
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/* If the device was tagged by the udev rules, then ignore any other ports
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* to guard against race conditions if a device just happens to show up
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* with more than two AT-capable ports.
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*/
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if ( (ptype == MM_PORT_TYPE_UNKNOWN)
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&& g_udev_device_get_property_as_boolean (port, "ID_MM_SIMTECH_TAGGED"))
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ptype = MM_PORT_TYPE_IGNORED;
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subsys = g_udev_device_get_subsystem (port);
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name = g_udev_device_get_name (port);
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caps = mm_plugin_base_supports_task_get_probed_capabilities (task);
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sysfs_path = mm_plugin_base_supports_task_get_physdev_path (task);
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if (!existing) {
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if (caps & MM_PLUGIN_BASE_PORT_CAP_GSM) {
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modem = mm_modem_simtech_gsm_new (sysfs_path,
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mm_plugin_base_supports_task_get_driver (task),
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mm_plugin_get_name (MM_PLUGIN (base)));
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} else if (caps & CAP_CDMA) {
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modem = mm_generic_cdma_new (sysfs_path,
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mm_plugin_base_supports_task_get_driver (task),
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mm_plugin_get_name (MM_PLUGIN (base)),
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!!(caps & MM_PLUGIN_BASE_PORT_CAP_IS856),
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!!(caps & MM_PLUGIN_BASE_PORT_CAP_IS856_A));
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}
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if (modem) {
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if (!mm_modem_grab_port (modem, subsys, name, ptype, NULL, error)) {
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g_object_unref (modem);
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return NULL;
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}
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}
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} else if (get_level_for_capabilities (caps)) {
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if (caps & MM_PLUGIN_BASE_PORT_CAP_QCDM)
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ptype = MM_PORT_TYPE_QCDM;
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modem = existing;
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if (!mm_modem_grab_port (modem, subsys, name, ptype, NULL, error))
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return NULL;
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}
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return modem;
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}
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/*****************************************************************************/
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static void
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mm_plugin_simtech_init (MMPluginSimtech *self)
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{
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g_signal_connect (self, "probe-result", G_CALLBACK (probe_result), NULL);
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}
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static void
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mm_plugin_simtech_class_init (MMPluginSimtechClass *klass)
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{
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MMPluginBaseClass *pb_class = MM_PLUGIN_BASE_CLASS (klass);
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pb_class->supports_port = supports_port;
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pb_class->grab_port = grab_port;
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}
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