Files
ModemManager/plugins/option/mm-plugin-hso.c
2012-03-28 15:50:51 +02:00

165 lines
5.7 KiB
C

/* -*- 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 hso) 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-private-boxed-types.h"
#include "mm-plugin-hso.h"
#include "mm-broadband-modem-hso.h"
#include "mm-log.h"
G_DEFINE_TYPE (MMPluginHso, mm_plugin_hso, 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;
const gchar *name, *subsys, *sysfs_path;
guint16 vendor = 0, product = 0;
MMAtPortFlag pflags = MM_AT_PORT_FLAG_NONE;
gchar *devfile;
MMPortType port_type;
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;
}
/* Build proper devfile path
* TODO: Why do we need to do this? If this is useful, a comment should be
* added explaining why; if it's not useful, let's get rid of it. */
devfile = g_strdup (g_udev_device_get_device_file (port));
if (!devfile) {
if (g_str_equal (subsys, "net")) {
/* Apparently 'hso' doesn't set up the right links for the netdevice,
* and thus libgudev can't get the sysfs file path for it.
*/
devfile = g_strdup_printf ("/sys/class/net/%s", name);
if (!g_file_test (devfile, G_FILE_TEST_EXISTS)) {
g_free (devfile);
devfile = NULL;
}
}
if (!devfile) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Could not get port's sysfs file.");
return NULL;
}
}
g_free (devfile);
port_type = mm_port_probe_get_port_type (probe);
sysfs_path = g_udev_device_get_sysfs_path (port);
/* Detect AT port types */
if (g_str_equal (subsys, "tty")) {
gchar *hsotype_path;
gchar *contents = NULL;
hsotype_path = g_build_filename (sysfs_path, "hsotype", NULL);
if (g_file_get_contents (hsotype_path, &contents, NULL, NULL)) {
if (g_str_has_prefix (contents, "Control"))
pflags = MM_AT_PORT_FLAG_PRIMARY;
else if (g_str_has_prefix (contents, "Application"))
pflags = MM_AT_PORT_FLAG_SECONDARY;
else if (g_str_has_prefix (contents, "GPS Control"))
pflags = MM_AT_PORT_FLAG_GPS_CONTROL;
else if (g_str_has_prefix (contents, "GPS")) {
/* Not an AT port, but the port to grab GPS traces */
g_assert (port_type == MM_PORT_TYPE_UNKNOWN);
port_type = MM_PORT_TYPE_GPS;
}
g_free (contents);
}
g_free (hsotype_path);
}
/* If this is the first port being grabbed, create a new modem object */
if (!existing)
modem = MM_BASE_MODEM (mm_broadband_modem_hso_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,
port_type,
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", "net", NULL };
static const gchar *drivers[] = { "hso", NULL };
return MM_PLUGIN (
g_object_new (MM_TYPE_PLUGIN_HSO,
MM_PLUGIN_BASE_NAME, "Option High-Speed",
MM_PLUGIN_BASE_ALLOWED_SUBSYSTEMS, subsystems,
MM_PLUGIN_BASE_ALLOWED_DRIVERS, drivers,
MM_PLUGIN_BASE_ALLOWED_AT, TRUE,
MM_PLUGIN_BASE_ALLOWED_QCDM, TRUE,
NULL));
}
static void
mm_plugin_hso_init (MMPluginHso *self)
{
}
static void
mm_plugin_hso_class_init (MMPluginHsoClass *klass)
{
MMPluginBaseClass *pb_class = MM_PLUGIN_BASE_CLASS (klass);
pb_class->grab_port = grab_port;
}