Aleksander Morgado
4195a3f1a3
It is split in a new set of `mm-common-sierra.[hc]' files as this sequence will also be used in Icera-based modems.
138 lines
5.0 KiB
C
138 lines
5.0 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 Lanedo GmbH
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*/
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#include "mm-common-sierra.h"
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#include "mm-base-modem-at.h"
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#include "mm-log.h"
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#include "mm-modem-helpers.h"
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/*****************************************************************************/
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/* Modem power up (Modem interface) */
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gboolean
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mm_common_sierra_modem_power_up_finish (MMIfaceModem *self,
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GAsyncResult *res,
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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 (res), error);
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}
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static gboolean
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sierra_power_up_wait_cb (GSimpleAsyncResult *result)
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{
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g_simple_async_result_set_op_res_gboolean (result, TRUE);
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g_simple_async_result_complete (result);
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g_object_unref (result);
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return FALSE;
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}
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static void
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full_functionality_status_ready (MMBaseModem *self,
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GAsyncResult *res,
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GSimpleAsyncResult *simple)
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{
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GError *error = NULL;
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if (!mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error)) {
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g_simple_async_result_take_error (simple, error);
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g_simple_async_result_complete (simple);
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g_object_unref (simple);
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return;
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}
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/* Old Sierra devices (like the PCMCIA-based 860) return OK on +CFUN=1 right
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* away but need some time to finish initialization. Anything driven by
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* 'sierra' is new enough to need no delay.
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*/
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if (g_str_equal (mm_base_modem_get_driver (MM_BASE_MODEM (self)), "sierra")) {
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g_simple_async_result_set_op_res_gboolean (simple, TRUE);
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g_simple_async_result_complete (simple);
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g_object_unref (simple);
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return;
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}
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/* The modem object will be valid in the callback as 'result' keeps a
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* reference to it. */
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g_timeout_add_seconds (10, (GSourceFunc)sierra_power_up_wait_cb, simple);
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}
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static void
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get_current_functionality_status_ready (MMBaseModem *self,
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GAsyncResult *res,
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GSimpleAsyncResult *simple)
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{
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const gchar *response;
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GError *error = NULL;
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response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error);
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if (!response) {
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mm_warn ("Failed checking if power-up command is needed: '%s'. "
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"Will assume it isn't.",
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error->message);
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g_error_free (error);
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/* On error, just assume we don't need the power-up command */
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g_simple_async_result_set_op_res_gboolean (simple, TRUE);
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g_simple_async_result_complete (simple);
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g_object_unref (simple);
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return;
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}
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response = mm_strip_tag (response, "+CFUN:");
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if (response && *response == '1') {
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/* If reported functionality status is '1', then we do not need to
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* issue the power-up command. Otherwise, do it. */
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mm_dbg ("Already in full functionality status, skipping power-up command");
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g_simple_async_result_set_op_res_gboolean (simple, TRUE);
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g_simple_async_result_complete (simple);
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g_object_unref (simple);
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return;
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}
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mm_warn ("Not in full functionality status, power-up command is needed. "
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"Note that it may reboot the modem.");
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/* Try to go to full functionality mode without rebooting the system.
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* Works well if we previously switched off the power with CFUN=4
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*/
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mm_base_modem_at_command (MM_BASE_MODEM (self),
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"+CFUN=1",
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3,
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FALSE,
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(GAsyncReadyCallback)full_functionality_status_ready,
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simple);
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}
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void
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mm_common_sierra_modem_power_up (MMIfaceModem *self,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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GSimpleAsyncResult *result;
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result = g_simple_async_result_new (G_OBJECT (self),
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callback,
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user_data,
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mm_common_sierra_modem_power_up);
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mm_base_modem_at_command (MM_BASE_MODEM (self),
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"+CFUN?",
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3,
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FALSE,
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(GAsyncReadyCallback)get_current_functionality_status_ready,
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result);
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}
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