/* -*- 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 Red Hat, Inc.
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "mm-modem-sierra-gsm.h"
#include "mm-errors.h"
#include "mm-callback-info.h"

static void modem_init (MMModem *modem_class);

G_DEFINE_TYPE_EXTENDED (MMModemSierraGsm, mm_modem_sierra_gsm, MM_TYPE_GENERIC_GSM, 0,
                        G_IMPLEMENT_INTERFACE (MM_TYPE_MODEM, modem_init))


MMModem *
mm_modem_sierra_gsm_new (const char *device,
                         const char *driver,
                         const char *plugin)
{
    g_return_val_if_fail (device != NULL, NULL);
    g_return_val_if_fail (driver != NULL, NULL);
    g_return_val_if_fail (plugin != NULL, NULL);

    return MM_MODEM (g_object_new (MM_TYPE_MODEM_SIERRA_GSM,
                                   MM_MODEM_MASTER_DEVICE, device,
                                   MM_MODEM_DRIVER, driver,
                                   MM_MODEM_PLUGIN, plugin,
                                   NULL));
}

/*****************************************************************************/
/*    Modem class override functions                                         */
/*****************************************************************************/

static void
pin_check_done (MMModem *modem, GError *error, gpointer user_data)
{
    MMCallbackInfo *info = (MMCallbackInfo *) user_data;

    mm_generic_gsm_enable_complete (MM_GENERIC_GSM (modem), error, info);
}

static gboolean
sierra_enabled (gpointer data)
{
    MMCallbackInfo *info = (MMCallbackInfo *) data;

    /* Now check the PIN explicitly, sierra doesn't seem to report
     * that it needs it otherwise.
     */
    mm_generic_gsm_check_pin (MM_GENERIC_GSM (info->modem), pin_check_done, info);
    return FALSE;
}

static void
parent_enable_done (MMModem *modem, GError *error, gpointer user_data)
{
    MMCallbackInfo *info = (MMCallbackInfo *) user_data;

    if (error) {
        mm_generic_gsm_enable_complete (MM_GENERIC_GSM (modem), error, info);
        return;
    }

    /* Sierra returns OK on +CFUN=1 right away but needs some time
     * to finish initialization.
     */
    g_timeout_add_seconds (10, sierra_enabled, info);
}

static void
enable (MMModem *modem, MMModemFn callback, gpointer user_data)
{
    MMModem *parent_modem_iface;
    MMCallbackInfo *info;

    info = mm_callback_info_new (modem, callback, user_data);
    parent_modem_iface = g_type_interface_peek_parent (MM_MODEM_GET_INTERFACE (modem));
    parent_modem_iface->enable (modem, parent_enable_done, info);
}

static gboolean
grab_port (MMModem *modem,
           const char *subsys,
           const char *name,
           MMPortType suggested_type,
           gpointer user_data,
           GError **error)
{
    MMGenericGsm *gsm = MM_GENERIC_GSM (modem);
    MMPortType ptype = MM_PORT_TYPE_IGNORED;
    MMPort *port;

    if (suggested_type == MM_PORT_TYPE_UNKNOWN) {
        if (!mm_generic_gsm_get_port (gsm, MM_PORT_TYPE_PRIMARY))
                ptype = MM_PORT_TYPE_PRIMARY;
        else if (!mm_generic_gsm_get_port (gsm, MM_PORT_TYPE_SECONDARY))
            ptype = MM_PORT_TYPE_SECONDARY;
    } else
        ptype = suggested_type;

    port = mm_generic_gsm_grab_port (gsm, subsys, name, ptype, error);

    if (port && MM_IS_SERIAL_PORT (port))
        g_object_set (G_OBJECT (port), MM_PORT_CARRIER_DETECT, FALSE, NULL);

    return !!port;
}

/*****************************************************************************/

static void
modem_init (MMModem *modem_class)
{
    modem_class->enable = enable;
    modem_class->grab_port = grab_port;
}

static void
mm_modem_sierra_gsm_init (MMModemSierraGsm *self)
{
}

static void
mm_modem_sierra_gsm_class_init (MMModemSierraGsmClass *klass)
{
    mm_modem_sierra_gsm_parent_class = g_type_class_peek_parent (klass);
}