3 * Copyright 1999-2003 Digi International (www.digi.com)
5 * James Puzzo <jamesp at digi dot com>
6 * Scott Kilau <Scott_Kilau at digi dot com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2, or (at your option)
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the
15 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
16 * PURPOSE. See the GNU General Public License for more details.
21 * Driver specific includes
23 #include <linux/module.h>
24 #include <linux/slab.h>
25 #include <linux/tty.h>
30 #include "dgrp_common.h"
33 MODULE_LICENSE("GPL");
34 MODULE_AUTHOR("Digi International, http://www.digi.com");
35 MODULE_DESCRIPTION("RealPort driver for Digi's ethernet-based serial connectivity product line");
36 MODULE_VERSION(DIGI_VERSION);
38 struct list_head nd_struct_list;
39 struct dgrp_poll_data dgrp_poll_data;
41 int dgrp_register_cudevices = 1;/* Turn on/off registering legacy cu devices */
42 int dgrp_register_prdevices = 1;/* Turn on/off registering transparent print */
43 int dgrp_poll_tick = 20; /* Poll interval - in ms */
45 module_param_named(register_cudevices, dgrp_register_cudevices, int, 0644);
46 MODULE_PARM_DESC(register_cudevices, "Turn on/off registering legacy cu devices");
48 module_param_named(register_prdevices, dgrp_register_prdevices, int, 0644);
49 MODULE_PARM_DESC(register_prdevices, "Turn on/off registering transparent print devices");
51 module_param_named(pollrate, dgrp_poll_tick, int, 0644);
52 MODULE_PARM_DESC(pollrate, "Poll interval in ms");
57 * Module load. This is where it all starts.
59 static int __init dgrp_init_module(void)
63 INIT_LIST_HEAD(&nd_struct_list);
65 spin_lock_init(&dgrp_poll_data.poll_lock);
66 init_timer(&dgrp_poll_data.timer);
67 dgrp_poll_data.poll_tick = dgrp_poll_tick;
68 dgrp_poll_data.timer.function = dgrp_poll_handler;
69 dgrp_poll_data.timer.data = (unsigned long) &dgrp_poll_data;
71 ret = dgrp_create_class_sysfs_files();
82 * Module unload. This is where it all ends.
84 static void __exit dgrp_cleanup_module(void)
86 struct nd_struct *nd, *next;
89 * Attempting to free resources in backwards
90 * order of allocation, in case that helps
91 * memory pool fragmentation.
93 dgrp_unregister_proc();
95 dgrp_remove_class_sysfs_files();
98 list_for_each_entry_safe(nd, next, &nd_struct_list, list) {
104 module_init(dgrp_init_module);
105 module_exit(dgrp_cleanup_module);