projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 0b52b749 BP |
1 | /* |
| 2 | * | |
| 3 | * Copyright 1999-2003 Digi International (www.digi.com) | |
| 4 | * Jeff Randall | |
| 5 | * James Puzzo <jamesp at digi dot com> | |
| 6 | * Scott Kilau <Scott_Kilau at digi dot com> | |
| 7 | * | |
| 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) | |
| 11 | * any later version. | |
| 12 | * | |
| 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. | |
| 17 | * | |
| 18 | */ | |
| 19 | ||
| 20 | /* | |
| 21 | * Driver specific includes | |
| 22 | */ | |
| 23 | #include <linux/module.h> | |
| 24 | #include <linux/slab.h> | |
| 25 | #include <linux/tty.h> | |
| 0b52b749 BP |
26 | |
| 27 | /* | |
| 28 | * PortServer includes | |
| 29 | */ | |
| 30 | #include "dgrp_common.h" | |
| 31 | ||
| 32 | ||
| 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); | |
| 37 | ||
| 38 | struct list_head nd_struct_list; | |
| 39 | struct dgrp_poll_data dgrp_poll_data; | |
| 40 | ||
| 0b52b749 BP |
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 */ | |
| 44 | ||
| 0b52b749 BP |
45 | module_param_named(register_cudevices, dgrp_register_cudevices, int, 0644); |
| 46 | MODULE_PARM_DESC(register_cudevices, "Turn on/off registering legacy cu devices"); | |
| 47 | ||
| 48 | module_param_named(register_prdevices, dgrp_register_prdevices, int, 0644); | |
| 49 | MODULE_PARM_DESC(register_prdevices, "Turn on/off registering transparent print devices"); | |
| 50 | ||
| 51 | module_param_named(pollrate, dgrp_poll_tick, int, 0644); | |
| 52 | MODULE_PARM_DESC(pollrate, "Poll interval in ms"); | |
| 53 | ||
| 0b52b749 BP |
54 | /* |
| 55 | * init_module() | |
| 56 | * | |
| 57 | * Module load. This is where it all starts. | |
| 58 | */ | |
| ecc837ac | 59 | static int __init dgrp_init_module(void) |
| 0b52b749 | 60 | { |
| 7e1389a9 AK |
61 | int ret; |
| 62 | ||
| 0b52b749 BP |
63 | INIT_LIST_HEAD(&nd_struct_list); |
| 64 | ||
| 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; | |
| 70 | ||
| 7e1389a9 AK |
71 | ret = dgrp_create_class_sysfs_files(); |
| 72 | if (ret) | |
| 73 | return ret; | |
| 0b52b749 BP |
74 | |
| 75 | dgrp_register_proc(); | |
| 76 | ||
| 77 | return 0; | |
| 78 | } | |
| 79 | ||
| 80 | ||
| 81 | /* | |
| 82 | * Module unload. This is where it all ends. | |
| 83 | */ | |
| ecc837ac | 84 | static void __exit dgrp_cleanup_module(void) |
| 0b52b749 BP |
85 | { |
| 86 | struct nd_struct *nd, *next; | |
| 87 | ||
| 88 | /* | |
| 89 | * Attempting to free resources in backwards | |
| 90 | * order of allocation, in case that helps | |
| 91 | * memory pool fragmentation. | |
| 92 | */ | |
| 93 | dgrp_unregister_proc(); | |
| 94 | ||
| 95 | dgrp_remove_class_sysfs_files(); | |
| 96 | ||
| 97 | ||
| 98 | list_for_each_entry_safe(nd, next, &nd_struct_list, list) { | |
| 99 | dgrp_tty_uninit(nd); | |
| 100 | kfree(nd); | |
| 101 | } | |
| 102 | } | |
| ecc837ac | 103 | |
| 104 | module_init(dgrp_init_module); | |
| 105 | module_exit(dgrp_cleanup_module); |