Files
ModemManager/src/plugins/cinterion/mm-plugin-cinterion.c
Lukas Voegl 8cd1c1bdb9 api,modem: new 'Physdev' property
Signed-off-by: Lukas Voegl <lvoegl@tdt.de>
2023-09-18 10:53:12 +02:00

250 lines
8.9 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 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.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Copyright (C) 2011 Ammonit Measurement GmbH
* Copyright (C) 2011 - 2012 Google Inc.
* Author: Aleksander Morgado <aleksander@lanedo.com>
*/
#include <string.h>
#include <gmodule.h>
#define _LIBMM_INSIDE_MM
#include <libmm-glib.h>
#include <ModemManager-tags.h>
#include "mm-plugin-common.h"
#include "mm-broadband-modem-cinterion.h"
#include "mm-log-object.h"
#if defined WITH_QMI
#include "mm-broadband-modem-qmi-cinterion.h"
#endif
#if defined WITH_MBIM
#include "mm-broadband-modem-mbim-cinterion.h"
#endif
#define MM_TYPE_PLUGIN_CINTERION mm_plugin_cinterion_get_type ()
MM_DEFINE_PLUGIN (CINTERION, cinterion, Cinterion)
/*****************************************************************************/
/* Custom init */
/* helps shorten a long if */
#define CHECK_PORT_HAS_TAG(p, t) ( \
mm_kernel_device_get_property_as_boolean (mm_port_probe_peek_port (p), t) )
static gboolean
cinterion_custom_init_finish (MMPortProbe *probe,
GAsyncResult *result,
GError **error)
{
return g_task_propagate_boolean (G_TASK (result), error);
}
/* is_port_already_tagged checks whether a port provided by probe has
* already tags assigned. */
static gboolean
is_port_already_tagged (MMPortProbe *probe)
{
if (CHECK_PORT_HAS_TAG (probe, ID_MM_PORT_TYPE_AT_PRIMARY) ||
CHECK_PORT_HAS_TAG (probe, ID_MM_PORT_TYPE_AT_SECONDARY) ||
CHECK_PORT_HAS_TAG (probe, ID_MM_PORT_TYPE_AT_PPP) ||
CHECK_PORT_HAS_TAG (probe, ID_MM_PORT_TYPE_GPS) ) {
return TRUE;
}
return FALSE;
}
static void
sqport_ready (MMPortSerialAt *port,
GAsyncResult *res,
GTask *task)
{
MMPortProbe *probe;
g_autofree gchar *response = NULL;
probe = g_task_get_source_object (task);
/* Ignore errors, just avoid tagging */
response = mm_port_serial_at_command_finish (port, res, NULL);
if (response) {
/* A valid reply to AT^SQPORT tells us this is an AT port already */
mm_port_probe_set_result_at (probe, TRUE);
if (strstr (response, "Application"))
g_object_set_data (G_OBJECT (probe), ID_MM_PORT_TYPE_AT_PRIMARY, GUINT_TO_POINTER (TRUE));
else if (strstr (response, "Modem"))
g_object_set_data (G_OBJECT (probe), ID_MM_PORT_TYPE_AT_PPP, GUINT_TO_POINTER (TRUE));
}
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
static void
cinterion_custom_init (MMPortProbe *probe,
MMPortSerialAt *port,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *task;
task = g_task_new (probe, cancellable, callback, user_data);
/* if the port is already tagged then it means that, most likely, udev
* has sorted things out. in that case it is not needed to run SQPORT?
* to try to guess whether this is AT-capable port. lets skip it. */
if (is_port_already_tagged (probe)) {
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
}
/* alright, no tags on this port whatsoever so lets figure things out
* using SQPORT? */
mm_port_serial_at_command (
port,
"AT^SQPORT?",
3,
FALSE, /* raw */
FALSE, /* allow cached */
cancellable,
(GAsyncReadyCallback) sqport_ready,
task);
}
/*****************************************************************************/
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_QMI
if (mm_port_probe_list_has_qmi_port (probes)) {
mm_obj_dbg (self, "QMI-powered Cinterion modem found...");
return MM_BASE_MODEM (mm_broadband_modem_qmi_cinterion_new (uid,
physdev,
drivers,
mm_plugin_get_name (self),
vendor,
product));
}
#endif
#if defined WITH_MBIM
if (mm_port_probe_list_has_mbim_port (probes)) {
mm_obj_dbg (self, "MBIM-powered Cinterion modem found...");
return MM_BASE_MODEM (mm_broadband_modem_mbim_cinterion_new (uid,
physdev,
drivers,
mm_plugin_get_name (self),
vendor,
product));
}
#endif
return MM_BASE_MODEM (mm_broadband_modem_cinterion_new (uid,
physdev,
drivers,
mm_plugin_get_name (self),
vendor,
product));
}
static gboolean
grab_port (MMPlugin *self,
MMBaseModem *modem,
MMPortProbe *probe,
GError **error)
{
MMPortSerialAtFlag pflags = MM_PORT_SERIAL_AT_FLAG_NONE;
MMPortType ptype;
ptype = mm_port_probe_get_port_type (probe);
if (g_object_get_data (G_OBJECT (probe), ID_MM_PORT_TYPE_AT_PRIMARY)) {
mm_obj_dbg (self, "(%s/%s)' Port flagged as primary",
mm_port_probe_get_port_subsys (probe),
mm_port_probe_get_port_name (probe));
pflags = MM_PORT_SERIAL_AT_FLAG_PRIMARY;
} else if (g_object_get_data (G_OBJECT (probe), ID_MM_PORT_TYPE_AT_PPP)) {
mm_obj_dbg (self, "(%s/%s)' Port flagged as PPP",
mm_port_probe_get_port_subsys (probe),
mm_port_probe_get_port_name (probe));
pflags = MM_PORT_SERIAL_AT_FLAG_PPP;
} /* else unknown or set via generic udev tags */
return mm_base_modem_grab_port (modem,
mm_port_probe_peek_port (probe),
ptype,
pflags,
error);
}
/*****************************************************************************/
MM_PLUGIN_NAMED_CREATOR_SCOPE MMPlugin *
mm_plugin_create_cinterion (void)
{
static const gchar *subsystems[] = { "tty", "net", "usbmisc", "wwan", NULL };
static const gchar *vendor_strings[] = { "cinterion", "siemens", NULL };
static const guint16 vendor_ids[] = { 0x1e2d, 0x0681, 0x1269, 0 };
static const MMAsyncMethod custom_init = {
.async = G_CALLBACK (cinterion_custom_init),
.finish = G_CALLBACK (cinterion_custom_init_finish),
};
return MM_PLUGIN (
g_object_new (MM_TYPE_PLUGIN_CINTERION,
MM_PLUGIN_NAME, MM_MODULE_NAME,
MM_PLUGIN_ALLOWED_SUBSYSTEMS, subsystems,
MM_PLUGIN_ALLOWED_VENDOR_STRINGS, vendor_strings,
MM_PLUGIN_ALLOWED_VENDOR_IDS, vendor_ids,
MM_PLUGIN_ALLOWED_AT, TRUE,
MM_PLUGIN_ALLOWED_QMI, TRUE,
MM_PLUGIN_ALLOWED_MBIM, TRUE,
MM_PLUGIN_CUSTOM_INIT, &custom_init,
NULL));
}
static void
mm_plugin_cinterion_init (MMPluginCinterion *self)
{
}
static void
mm_plugin_cinterion_class_init (MMPluginCinterionClass *klass)
{
MMPluginClass *plugin_class = MM_PLUGIN_CLASS (klass);
plugin_class->create_modem = create_modem;
plugin_class->grab_port = grab_port;
}