Files
ModemManager/plugins/mm-plugin-zte.c
2011-04-26 23:44:56 -05:00

227 lines
7.6 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:
*
* Copyright (C) 2008 - 2009 Novell, Inc.
* Copyright (C) 2009 - 2010 Red Hat, Inc.
*/
#include <string.h>
#include <gmodule.h>
#include "mm-plugin-zte.h"
#include "mm-modem-zte.h"
#include "mm-generic-cdma.h"
G_DEFINE_TYPE (MMPluginZte, mm_plugin_zte, MM_TYPE_PLUGIN_BASE)
int mm_plugin_major_version = MM_PLUGIN_MAJOR_VERSION;
int mm_plugin_minor_version = MM_PLUGIN_MINOR_VERSION;
G_MODULE_EXPORT MMPlugin *
mm_plugin_create (void)
{
return MM_PLUGIN (g_object_new (MM_TYPE_PLUGIN_ZTE,
MM_PLUGIN_BASE_NAME, "ZTE",
NULL));
}
/*****************************************************************************/
#define CAP_CDMA (MM_PLUGIN_BASE_PORT_CAP_IS707_A | \
MM_PLUGIN_BASE_PORT_CAP_IS707_P | \
MM_PLUGIN_BASE_PORT_CAP_IS856 | \
MM_PLUGIN_BASE_PORT_CAP_IS856_A)
static guint32
get_level_for_capabilities (guint32 capabilities)
{
if (capabilities & MM_PLUGIN_BASE_PORT_CAP_GSM)
return 10;
if (capabilities & CAP_CDMA)
return 10;
if (capabilities & MM_PLUGIN_BASE_PORT_CAP_QCDM)
return 10;
return 0;
}
static void
probe_result (MMPluginBase *base,
MMPluginBaseSupportsTask *task,
guint32 capabilities,
gpointer user_data)
{
mm_plugin_base_supports_task_complete (task, get_level_for_capabilities (capabilities));
}
static gboolean
custom_init_response_cb (MMPluginBaseSupportsTask *task,
GString *response,
GError *error,
guint32 tries,
gboolean *out_fail,
guint32 *out_level,
gpointer user_data)
{
if (error)
return tries <= 4 ? TRUE : FALSE;
/* No error, assume success */
return FALSE;
}
static MMPluginSupportsResult
supports_port (MMPluginBase *base,
MMModem *existing,
MMPluginBaseSupportsTask *task)
{
GUdevDevice *port;
guint32 cached = 0, level;
guint16 vendor = 0;
const char *subsys, *name;
/* Can't do anything with non-serial ports */
port = mm_plugin_base_supports_task_get_port (task);
subsys = g_udev_device_get_subsystem (port);
name = g_udev_device_get_name (port);
if (!mm_plugin_base_get_device_ids (base, subsys, name, &vendor, NULL))
return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
if (vendor != 0x19d2)
return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
if (!strcmp (subsys, "net")) {
/* If we don't know the modem's type yet, defer grabbing the port
* until we know the type.
*/
if (!existing)
return MM_PLUGIN_SUPPORTS_PORT_DEFER;
mm_plugin_base_supports_task_complete (task, 10);
return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS;
}
if (strcmp (subsys, "tty"))
return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
if (mm_plugin_base_get_cached_port_capabilities (base, port, &cached)) {
level = get_level_for_capabilities (cached);
if (level) {
mm_plugin_base_supports_task_complete (task, level);
return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS;
}
return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
}
/* Otherwise kick off a probe */
/* Many ZTE devices will flood the port with "Message waiting" indications
* and eventually fill up the serial buffer and crash. We need to turn off
* that indicator. See NetworkManager commits
* 1235f71b20c92cded4abd976ccc5010649aae1a0 and
* f38ad328acfdc6ce29dd1380602c546b064161ae for more details.
*/
mm_plugin_base_supports_task_add_custom_init_command (task,
"ATE0+CPMS?",
3,
custom_init_response_cb,
NULL);
if (mm_plugin_base_probe_port (base, task, 100000, NULL))
return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS;
return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
}
static MMModem *
grab_port (MMPluginBase *base,
MMModem *existing,
MMPluginBaseSupportsTask *task,
GError **error)
{
GUdevDevice *port = NULL;
MMModem *modem = NULL;
const char *name, *subsys, *sysfs_path;
guint32 caps;
MMPortType ptype = MM_PORT_TYPE_UNKNOWN;
guint16 vendor = 0, product = 0;
port = mm_plugin_base_supports_task_get_port (task);
g_assert (port);
/* Look for port type hints */
if (g_udev_device_get_property_as_boolean (port, "ID_MM_ZTE_PORT_TYPE_MODEM"))
ptype = MM_PORT_TYPE_PRIMARY;
else if (g_udev_device_get_property_as_boolean (port, "ID_MM_ZTE_PORT_TYPE_AUX"))
ptype = MM_PORT_TYPE_SECONDARY;
subsys = g_udev_device_get_subsystem (port);
name = g_udev_device_get_name (port);
if (!mm_plugin_base_get_device_ids (base, subsys, name, &vendor, &product)) {
g_set_error (error, 0, 0, "Could not get modem product ID.");
return NULL;
}
caps = mm_plugin_base_supports_task_get_probed_capabilities (task);
sysfs_path = mm_plugin_base_supports_task_get_physdev_path (task);
if (!existing) {
if (caps & MM_PLUGIN_BASE_PORT_CAP_GSM) {
modem = mm_modem_zte_new (sysfs_path,
mm_plugin_base_supports_task_get_driver (task),
mm_plugin_get_name (MM_PLUGIN (base)),
vendor,
product);
} else if (caps & CAP_CDMA) {
modem = mm_generic_cdma_new (sysfs_path,
mm_plugin_base_supports_task_get_driver (task),
mm_plugin_get_name (MM_PLUGIN (base)),
!!(caps & MM_PLUGIN_BASE_PORT_CAP_IS856),
!!(caps & MM_PLUGIN_BASE_PORT_CAP_IS856_A),
vendor,
product);
}
if (modem) {
if (!mm_modem_grab_port (modem, subsys, name, ptype, NULL, error)) {
g_object_unref (modem);
return NULL;
}
}
} else if (get_level_for_capabilities (caps) || (!strcmp (subsys, "net"))) {
if (caps & MM_PLUGIN_BASE_PORT_CAP_QCDM)
ptype = MM_PORT_TYPE_QCDM;
modem = existing;
if (!mm_modem_grab_port (modem, subsys, name, ptype, NULL, error))
return NULL;
}
return modem;
}
/*****************************************************************************/
static void
mm_plugin_zte_init (MMPluginZte *self)
{
g_signal_connect (self, "probe-result", G_CALLBACK (probe_result), NULL);
}
static void
mm_plugin_zte_class_init (MMPluginZteClass *klass)
{
MMPluginBaseClass *pb_class = MM_PLUGIN_BASE_CLASS (klass);
pb_class->supports_port = supports_port;
pb_class->grab_port = grab_port;
}