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/* -*- 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-x22x.h"
#include "mm-modem-x22x-gsm.h"
#include "mm-generic-gsm.h"
#include "mm-modem-helpers.h"
G_DEFINE_TYPE (MMPluginX22x, mm_plugin_x22x, 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_X22X,
MM_PLUGIN_BASE_NAME, "X22X",
NULL));
}
/*****************************************************************************/
static guint32
get_level_for_capabilities (guint32 capabilities)
{
/* These modems have the same vendor ID as a few of the other
* Alcatel/TCT/T&A modems, and the longcheer plugin will try to claim them
* too. So we provide a higher support level here to make sure this
* plugin tries to grab it's supported devices first.
*/
if (capabilities & MM_PLUGIN_BASE_PORT_CAP_GSM)
return 20;
if (capabilities & MM_PLUGIN_BASE_PORT_CAP_QCDM)
return 20;
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_stop,
guint32 *out_level,
gpointer user_data)
{
const char *p;
if (error)
return tries <= 4 ? TRUE : FALSE;
/* Note the lack of a ':' on the GMR; the X200 doesn't send one */
g_assert (response);
p = mm_strip_tag (response->str, "AT+GMR");
if (*p != 'L') {
/* X200 modems have a GMR firmware revision that starts with 'L', and
* as far as I can tell X060s devices have a revision starting with 'C'.
* So use that to determine if the device is an X200, which this plugin
* does supports.
*/
*out_level = 0;
*out_stop = TRUE;
return FALSE;
}
/* Continue with generic probing */
return FALSE;
}
static MMPluginSupportsResult
supports_port (MMPluginBase *base,
MMModem *existing,
MMPluginBaseSupportsTask *task)
{
GUdevDevice *port;
guint32 cached = 0, level;
guint16 vendor = 0, product = 0;
const char *subsys, *name;
/* Can't do anything with non-serial ports */
port = mm_plugin_base_supports_task_get_port (task);
if (strcmp (g_udev_device_get_subsystem (port), "tty"))
return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
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))
return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
/* Only TCT/T&A for now */
if (vendor != 0x1bbb)
return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
/* If the port wasn't tagged, we don't support it */
if (!g_udev_device_get_property_as_boolean (port, "ID_MM_X22X_TAGGED"))
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;
}
/* TCT/Alcatel in their infinite wisdom assigned the same USB VID/PID to
* the x060s (Longcheer firmware) and the x200 (X22X, this plugin) and thus
* we can't tell them apart via udev rules. Worse, they both report the
* same +GMM and +GMI, so we're left with just +GMR which is a sketchy way
* to tell modems apart. We can't really use X22X-specific commands
* like AT+SSND because we're not sure if they work when the SIM PIN has not
* been entered yet; many modems have a limited command parser before the
* SIM is unlocked.
*/
if (vendor == 0x1bbb && product == 0x0000) {
mm_plugin_base_supports_task_add_custom_init_command (task,
"AT+GMR",
3,
custom_init_response_cb,
NULL);
}
/* Otherwise kick off a probe */
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; just probing can't distinguish which port should
* be the data/primary port on these devices. We have to tag them based on
* what the Windows .INF files say the port layout should be.
*/
if (g_udev_device_get_property_as_boolean (port, "ID_MM_X22X_PORT_TYPE_MODEM"))
ptype = MM_PORT_TYPE_PRIMARY;
else if (g_udev_device_get_property_as_boolean (port, "ID_MM_X22X_PORT_TYPE_AUX"))
ptype = MM_PORT_TYPE_SECONDARY;
/* If the device was tagged by the udev rules, then ignore any other ports
* to guard against race conditions if a device just happens to show up
* with more than two AT-capable ports.
*/
if ( (ptype == MM_PORT_TYPE_UNKNOWN)
&& g_udev_device_get_property_as_boolean (port, "ID_MM_X22X_TAGGED"))
ptype = MM_PORT_TYPE_IGNORED;
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_x22x_gsm_new (sysfs_path,
mm_plugin_base_supports_task_get_driver (task),
mm_plugin_get_name (MM_PLUGIN (base)),
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)) {
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_x22x_init (MMPluginX22x *self)
{
g_signal_connect (self, "probe-result", G_CALLBACK (probe_result), NULL);
}
static void
mm_plugin_x22x_class_init (MMPluginX22xClass *klass)
{
MMPluginBaseClass *pb_class = MM_PLUGIN_BASE_CLASS (klass);
pb_class->supports_port = supports_port;
pb_class->grab_port = grab_port;
}
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