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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 - 2012 Red Hat, Inc.
* Copyright (C) 2012 Aleksander Morgado <aleksander@gnu.org>
*/
#include <string.h>
#include <gmodule.h>
#define _LIBMM_INSIDE_MM
#include <libmm-glib.h>
#include "mm-log-object.h"
#include "mm-modem-helpers.h"
#include "mm-plugin-common.h"
#include "mm-broadband-modem-x22x.h"
#if defined WITH_QMI
#include "mm-broadband-modem-qmi.h"
#endif
#define MM_TYPE_PLUGIN_X22X mm_plugin_x22x_get_type ()
MM_DEFINE_PLUGIN (X22X, x22x, X22x)
/*****************************************************************************/
/* Custom init */
typedef struct {
MMPortSerialAt *port;
guint retries;
} X22xCustomInitContext;
static void
x22x_custom_init_context_free (X22xCustomInitContext *ctx)
{
g_object_unref (ctx->port);
g_slice_free (X22xCustomInitContext, ctx);
}
static gboolean
x22x_custom_init_finish (MMPortProbe *probe,
GAsyncResult *result,
GError **error)
{
return g_task_propagate_boolean (G_TASK (result), error);
}
static void x22x_custom_init_step (GTask *task);
static void
gmr_ready (MMPortSerialAt *port,
GAsyncResult *res,
GTask *task)
{
MMPortProbe *probe;
const gchar *p;
g_autofree gchar *response = NULL;
GError *error = NULL;
probe = g_task_get_source_object (task);
response = mm_port_serial_at_command_finish (port, res, &error);
if (error) {
g_error_free (error);
/* Just retry... */
x22x_custom_init_step (task);
return;
}
/* Note the lack of a ':' on the GMR; the X200 doesn't send one */
p = mm_strip_tag (response, "AT+GMR");
if (p && *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.
*/
g_task_return_new_error (task,
MM_CORE_ERROR,
MM_CORE_ERROR_UNSUPPORTED,
"Not supported with the X22X plugin");
} else {
mm_obj_dbg (probe, "(X22X) device is supported by this plugin");
g_task_return_boolean (task, TRUE);
}
g_object_unref (task);
}
static void
x22x_custom_init_step (GTask *task)
{
MMPortProbe *probe;
X22xCustomInitContext *ctx;
GCancellable *cancellable;
probe = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
cancellable = g_task_get_cancellable (task);
/* If cancelled, end */
if (g_cancellable_is_cancelled (cancellable)) {
mm_obj_dbg (probe, "(X22X) no need to keep on running custom init");
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
}
if (ctx->retries == 0) {
/* In this case, we need the AT command result to decide whether we can
* support this modem or not, so really fail if we didn't get it. */
g_task_return_new_error (task,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't get device revision information");
g_object_unref (task);
return;
}
ctx->retries--;
mm_port_serial_at_command (
ctx->port,
"AT+GMR",
3,
FALSE, /* raw */
FALSE, /* allow_cached */
cancellable,
(GAsyncReadyCallback)gmr_ready,
task);
}
static void
x22x_custom_init (MMPortProbe *probe,
MMPortSerialAt *port,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
MMDevice *device;
X22xCustomInitContext *ctx;
GTask *task;
ctx = g_slice_new (X22xCustomInitContext);
ctx->port = g_object_ref (port);
ctx->retries = 3;
task = g_task_new (probe, cancellable, callback, user_data);
g_task_set_check_cancellable (task, FALSE);
g_task_set_task_data (task, ctx, (GDestroyNotify)x22x_custom_init_context_free);
/* 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.
*/
device = mm_port_probe_peek_device (probe);
if (mm_device_get_vendor (device) != 0x1bbb ||
mm_device_get_product (device) != 0x0000) {
/* If not exactly this vendor/product, just skip */
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
}
x22x_custom_init_step (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 X22X modem found...");
return MM_BASE_MODEM (mm_broadband_modem_qmi_new (uid,
physdev,
drivers,
mm_plugin_get_name (self),
vendor,
product));
}
#endif
return MM_BASE_MODEM (mm_broadband_modem_x22x_new (uid,
physdev,
drivers,
mm_plugin_get_name (self),
vendor,
product));
}
/*****************************************************************************/
MM_PLUGIN_NAMED_CREATOR_SCOPE MMPlugin *
mm_plugin_create_x22x (void)
{
static const gchar *subsystems[] = { "tty", "net", "usbmisc", NULL };
/* Vendors: TAMobile and Olivetti */
static const guint16 vendor_ids[] = { 0x1bbb, 0x0b3c, 0 };
/* Only handle X22X tagged devices here. */
static const gchar *udev_tags[] = {
"ID_MM_X22X_TAGGED",
NULL
};
static const MMAsyncMethod custom_init = {
.async = G_CALLBACK (x22x_custom_init),
.finish = G_CALLBACK (x22x_custom_init_finish),
};
return MM_PLUGIN (
g_object_new (MM_TYPE_PLUGIN_X22X,
MM_PLUGIN_NAME, MM_MODULE_NAME,
MM_PLUGIN_ALLOWED_SUBSYSTEMS, subsystems,
MM_PLUGIN_ALLOWED_VENDOR_IDS, vendor_ids,
MM_PLUGIN_ALLOWED_AT, TRUE,
MM_PLUGIN_ALLOWED_QMI, TRUE,
MM_PLUGIN_ALLOWED_UDEV_TAGS, udev_tags,
MM_PLUGIN_CUSTOM_INIT, &custom_init,
NULL));
}
static void
mm_plugin_x22x_init (MMPluginX22x *self)
{
}
static void
mm_plugin_x22x_class_init (MMPluginX22xClass *klass)
{
MMPluginClass *plugin_class = MM_PLUGIN_CLASS (klass);
plugin_class->create_modem = create_modem;
}
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