Ting-Yuan Huang
969189d42c
This patch makes declarations bind to definitions within the same module to prevent the potential ambiguity if referenced directly. AddressSanitizer think they violated one definition rule, although those symbols are accessed by address through their modules and do not depend on the order of the libararies loaded.
306 lines
11 KiB
C
306 lines
11 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details:
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*
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* Copyright (C) 2008 - 2009 Novell, Inc.
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* Copyright (C) 2009 - 2012 Red Hat, Inc.
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* Copyright (C) 2012 Aleksander Morgado <aleksander@gnu.org>
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*/
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#include <string.h>
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#include <gmodule.h>
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#define _LIBMM_INSIDE_MM
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#include <libmm-glib.h>
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#include "mm-log.h"
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#include "mm-modem-helpers.h"
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#include "mm-plugin-x22x.h"
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#include "mm-broadband-modem-x22x.h"
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#if defined WITH_QMI
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#include "mm-broadband-modem-qmi.h"
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#endif
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G_DEFINE_TYPE (MMPluginX22x, mm_plugin_x22x, MM_TYPE_PLUGIN)
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MM_PLUGIN_DEFINE_MAJOR_VERSION
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MM_PLUGIN_DEFINE_MINOR_VERSION
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/*****************************************************************************/
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/* Custom init */
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typedef struct {
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MMPortProbe *probe;
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MMPortSerialAt *port;
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GCancellable *cancellable;
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GSimpleAsyncResult *result;
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guint retries;
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} X22xCustomInitContext;
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static void
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x22x_custom_init_context_complete_and_free (X22xCustomInitContext *ctx)
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{
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g_simple_async_result_complete_in_idle (ctx->result);
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if (ctx->cancellable)
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g_object_unref (ctx->cancellable);
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g_object_unref (ctx->port);
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g_object_unref (ctx->probe);
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g_object_unref (ctx->result);
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g_slice_free (X22xCustomInitContext, ctx);
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}
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static gboolean
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x22x_custom_init_finish (MMPortProbe *probe,
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GAsyncResult *result,
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GError **error)
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{
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return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error);
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}
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static void x22x_custom_init_step (X22xCustomInitContext *ctx);
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static void
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gmr_ready (MMPortSerialAt *port,
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GAsyncResult *res,
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X22xCustomInitContext *ctx)
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{
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const gchar *p;
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const gchar *response;
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GError *error = NULL;
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response = mm_port_serial_at_command_finish (port, res, &error);
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if (error) {
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/* Just retry... */
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x22x_custom_init_step (ctx);
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goto out;
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}
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/* Note the lack of a ':' on the GMR; the X200 doesn't send one */
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p = mm_strip_tag (response, "AT+GMR");
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if (p && *p != 'L') {
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/* X200 modems have a GMR firmware revision that starts with 'L', and
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* as far as I can tell X060s devices have a revision starting with 'C'.
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* So use that to determine if the device is an X200, which this plugin
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* does supports.
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*/
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g_simple_async_result_set_error (ctx->result,
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MM_CORE_ERROR,
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MM_CORE_ERROR_UNSUPPORTED,
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"Not supported with the X22X plugin");
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} else {
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mm_dbg ("(X22X) device is supported by this plugin");
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g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
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}
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x22x_custom_init_context_complete_and_free (ctx);
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out:
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if (error)
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g_error_free (error);
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}
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static void
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x22x_custom_init_step (X22xCustomInitContext *ctx)
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{
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/* If cancelled, end */
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if (g_cancellable_is_cancelled (ctx->cancellable)) {
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mm_dbg ("(X22X) no need to keep on running custom init in (%s)",
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mm_port_get_device (MM_PORT (ctx->port)));
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g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
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x22x_custom_init_context_complete_and_free (ctx);
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return;
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}
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if (ctx->retries == 0) {
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/* In this case, we need the AT command result to decide whether we can
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* support this modem or not, so really fail if we didn't get it. */
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g_simple_async_result_set_error (ctx->result,
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MM_CORE_ERROR,
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MM_CORE_ERROR_FAILED,
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"Couldn't get device revision information");
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x22x_custom_init_context_complete_and_free (ctx);
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return;
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}
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ctx->retries--;
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mm_port_serial_at_command (
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ctx->port,
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"AT+GMR",
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3,
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FALSE, /* raw */
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FALSE, /* allow_cached */
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ctx->cancellable,
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(GAsyncReadyCallback)gmr_ready,
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ctx);
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}
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static void
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x22x_custom_init (MMPortProbe *probe,
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MMPortSerialAt *port,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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MMDevice *device;
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X22xCustomInitContext *ctx;
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ctx = g_slice_new (X22xCustomInitContext);
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ctx->result = g_simple_async_result_new (G_OBJECT (probe),
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callback,
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user_data,
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x22x_custom_init);
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ctx->probe = g_object_ref (probe);
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ctx->port = g_object_ref (port);
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ctx->cancellable = cancellable ? g_object_ref (cancellable) : NULL;
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ctx->retries = 3;
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/* TCT/Alcatel in their infinite wisdom assigned the same USB VID/PID to
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* the x060s (Longcheer firmware) and the x200 (X22X, this plugin) and thus
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* we can't tell them apart via udev rules. Worse, they both report the
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* same +GMM and +GMI, so we're left with just +GMR which is a sketchy way
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* to tell modems apart. We can't really use X22X-specific commands
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* like AT+SSND because we're not sure if they work when the SIM PIN has not
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* been entered yet; many modems have a limited command parser before the
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* SIM is unlocked.
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*/
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device = mm_port_probe_peek_device (probe);
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if (mm_device_get_vendor (device) != 0x1bbb ||
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mm_device_get_product (device) != 0x0000) {
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/* If not exactly this vendor/product, just skip */
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g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
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x22x_custom_init_context_complete_and_free (ctx);
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return;
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}
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x22x_custom_init_step (ctx);
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}
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/*****************************************************************************/
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static MMBaseModem *
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create_modem (MMPlugin *self,
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const gchar *sysfs_path,
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const gchar **drivers,
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guint16 vendor,
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guint16 product,
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GList *probes,
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GError **error)
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{
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#if defined WITH_QMI
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if (mm_port_probe_list_has_qmi_port (probes)) {
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mm_dbg ("QMI-powered X22X modem found...");
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return MM_BASE_MODEM (mm_broadband_modem_qmi_new (sysfs_path,
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drivers,
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mm_plugin_get_name (self),
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vendor,
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product));
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}
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#endif
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return MM_BASE_MODEM (mm_broadband_modem_x22x_new (sysfs_path,
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drivers,
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mm_plugin_get_name (self),
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vendor,
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product));
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}
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static gboolean
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grab_port (MMPlugin *self,
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MMBaseModem *modem,
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MMPortProbe *probe,
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GError **error)
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{
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GUdevDevice *port;
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MMPortType ptype;
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MMPortSerialAtFlag pflags = MM_PORT_SERIAL_AT_FLAG_NONE;
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port = mm_port_probe_peek_port (probe);
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ptype = mm_port_probe_get_port_type (probe);
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if (ptype == MM_PORT_TYPE_AT) {
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/* Look for port type hints; just probing can't distinguish which port should
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* be the data/primary port on these devices. We have to tag them based on
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* what the Windows .INF files say the port layout should be.
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*/
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if (g_udev_device_get_property_as_boolean (port, "ID_MM_X22X_PORT_TYPE_MODEM")) {
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mm_dbg ("x22x: AT port '%s/%s' flagged as primary",
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mm_port_probe_get_port_subsys (probe),
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mm_port_probe_get_port_name (probe));
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pflags = MM_PORT_SERIAL_AT_FLAG_PRIMARY;
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} else if (g_udev_device_get_property_as_boolean (port, "ID_MM_X22X_PORT_TYPE_AUX")) {
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mm_dbg ("x22x: AT port '%s/%s' flagged as secondary",
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mm_port_probe_get_port_subsys (probe),
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mm_port_probe_get_port_name (probe));
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pflags = MM_PORT_SERIAL_AT_FLAG_SECONDARY;
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} else {
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/* If the port was tagged by the udev rules but isn't a primary or secondary,
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* then ignore it to guard against race conditions if a device just happens
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* to show up with more than two AT-capable ports.
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*/
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ptype = MM_PORT_TYPE_IGNORED;
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}
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}
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return mm_base_modem_grab_port (modem,
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mm_port_probe_get_port_subsys (probe),
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mm_port_probe_get_port_name (probe),
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mm_port_probe_get_parent_path (probe),
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ptype,
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pflags,
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error);
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}
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/*****************************************************************************/
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G_MODULE_EXPORT MMPlugin *
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mm_plugin_create (void)
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{
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static const gchar *subsystems[] = { "tty", "net", "usb", NULL };
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/* Vendors: TAMobile and Olivetti */
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static const guint16 vendor_ids[] = { 0x1bbb, 0x0b3c, 0 };
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/* Only handle X22X tagged devices here. */
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static const gchar *udev_tags[] = {
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"ID_MM_X22X_TAGGED",
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NULL
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};
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static const MMAsyncMethod custom_init = {
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.async = G_CALLBACK (x22x_custom_init),
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.finish = G_CALLBACK (x22x_custom_init_finish),
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};
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return MM_PLUGIN (
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g_object_new (MM_TYPE_PLUGIN_X22X,
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MM_PLUGIN_NAME, "X22X",
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MM_PLUGIN_ALLOWED_SUBSYSTEMS, subsystems,
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MM_PLUGIN_ALLOWED_VENDOR_IDS, vendor_ids,
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MM_PLUGIN_ALLOWED_AT, TRUE,
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MM_PLUGIN_ALLOWED_QMI, TRUE,
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MM_PLUGIN_ALLOWED_UDEV_TAGS, udev_tags,
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MM_PLUGIN_CUSTOM_INIT, &custom_init,
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NULL));
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}
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static void
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mm_plugin_x22x_init (MMPluginX22x *self)
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{
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}
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static void
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mm_plugin_x22x_class_init (MMPluginX22xClass *klass)
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{
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MMPluginClass *plugin_class = MM_PLUGIN_CLASS (klass);
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plugin_class->create_modem = create_modem;
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plugin_class->grab_port = grab_port;
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}
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