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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*********************************************************************
2 *
3 * Filename: ircomm_tty.h
4 * Version:
5 * Description:
6 * Status: Experimental.
7 * Author: Dag Brattli <dagb@cs.uit.no>
8 * Created at: Sun Jun 6 23:24:22 1999
9 * Modified at: Fri Jan 28 13:16:57 2000
10 * Modified by: Dag Brattli <dagb@cs.uit.no>
11 *
12 * Copyright (c) 1999-2000 Dag Brattli, All Rights Reserved.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
Jeff Kirshera6227e22013-12-06 09:13:40 -080025 * along with this program; if not, see <http://www.gnu.org/licenses/>.
Linus Torvalds1da177e2005-04-16 15:20:36 -070026 *
27 ********************************************************************/
28
29#ifndef IRCOMM_TTY_H
30#define IRCOMM_TTY_H
31
32#include <linux/serial.h>
33#include <linux/termios.h>
34#include <linux/timer.h>
35#include <linux/tty.h> /* struct tty_struct */
36
37#include <net/irda/irias_object.h>
38#include <net/irda/ircomm_core.h>
39#include <net/irda/ircomm_param.h>
40
41#define IRCOMM_TTY_PORTS 32
42#define IRCOMM_TTY_MAGIC 0x3432
43#define IRCOMM_TTY_MAJOR 161
44#define IRCOMM_TTY_MINOR 0
45
46/* This is used as an initial value to max_header_size before the proper
47 * value is filled in (5 for ttp, 4 for lmp). This allow us to detect
48 * the state of the underlying connection. - Jean II */
49#define IRCOMM_TTY_HDR_UNINITIALISED 16
50/* Same for payload size. See qos.c for the smallest max data size */
51#define IRCOMM_TTY_DATA_UNINITIALISED (64 - IRCOMM_TTY_HDR_UNINITIALISED)
52
Linus Torvalds1da177e2005-04-16 15:20:36 -070053/*
54 * IrCOMM TTY driver state
55 */
56struct ircomm_tty_cb {
57 irda_queue_t queue; /* Must be first */
Jiri Slabya3cc9fc2012-06-04 13:35:16 +020058 struct tty_port port;
Linus Torvalds1da177e2005-04-16 15:20:36 -070059 magic_t magic;
60
61 int state; /* Connect state */
62
Linus Torvalds1da177e2005-04-16 15:20:36 -070063 struct ircomm_cb *ircomm; /* IrCOMM layer instance */
64
65 struct sk_buff *tx_skb; /* Transmit buffer */
66 struct sk_buff *ctrl_skb; /* Control data buffer */
67
68 /* Parameters */
69 struct ircomm_params settings;
70
71 __u8 service_type; /* The service that we support */
72 int client; /* True if we are a client */
73 LOCAL_FLOW flow; /* IrTTP flow status */
74
75 int line;
Linus Torvalds1da177e2005-04-16 15:20:36 -070076
77 __u8 dlsap_sel;
78 __u8 slsap_sel;
79
80 __u32 saddr;
81 __u32 daddr;
82
83 __u32 max_data_size; /* Max data we can transmit in one packet */
84 __u32 max_header_size; /* The amount of header space we must reserve */
85 __u32 tx_data_size; /* Max data size of current tx_skb */
86
87 struct iriap_cb *iriap; /* Instance used for querying remote IAS */
88 struct ias_object* obj;
89 void *skey;
90 void *ckey;
91
Linus Torvalds1da177e2005-04-16 15:20:36 -070092 struct timer_list watchdog_timer;
93 struct work_struct tqueue;
94
Linus Torvalds1da177e2005-04-16 15:20:36 -070095 /* Protect concurent access to :
Linus Torvalds1da177e2005-04-16 15:20:36 -070096 * o self->ctrl_skb
97 * o self->tx_skb
98 * Maybe other things may gain to be protected as well...
99 * Jean II */
100 spinlock_t spinlock;
101};
102
103void ircomm_tty_start(struct tty_struct *tty);
104void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self);
105
Joe Perches0e418f92013-09-23 11:37:44 -0700106int ircomm_tty_tiocmget(struct tty_struct *tty);
107int ircomm_tty_tiocmset(struct tty_struct *tty, unsigned int set,
108 unsigned int clear);
109int ircomm_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
110 unsigned long arg);
111void ircomm_tty_set_termios(struct tty_struct *tty,
112 struct ktermios *old_termios);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113
114#endif
115
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