283 lines
9.9 KiB
C
283 lines
9.9 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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G_DEFINE_TYPE (MMPluginX22x, mm_plugin_x22x, MM_TYPE_PLUGIN)
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int mm_plugin_major_version = MM_PLUGIN_MAJOR_VERSION;
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int mm_plugin_minor_version = MM_PLUGIN_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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MMAtSerialPort *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 (MMAtSerialPort *port,
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GString *response,
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GError *error,
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X22xCustomInitContext *ctx)
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{
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const gchar *p;
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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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return;
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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->str, "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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}
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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_error (ctx->result,
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MM_CORE_ERROR,
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MM_CORE_ERROR_CANCELLED,
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"Custom initialization cancelled");
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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_at_serial_port_queue_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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ctx->cancellable,
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(MMAtSerialResponseFn)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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MMAtSerialPort *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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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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MMAtPortFlag pflags = MM_AT_PORT_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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/* 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_AT_PORT_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_AT_PORT_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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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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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", NULL };
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/* Vendors: X22x and TAMobile */
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static const guint16 vendor_ids[] = { 0x1bbb, 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_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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