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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
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 * MA 02111-1307 USA
28 *
29 ********************************************************************/
30
31#ifndef IRCOMM_TTY_H
32#define IRCOMM_TTY_H
33
34#include <linux/serial.h>
35#include <linux/termios.h>
36#include <linux/timer.h>
37#include <linux/tty.h> /* struct tty_struct */
38
39#include <net/irda/irias_object.h>
40#include <net/irda/ircomm_core.h>
41#include <net/irda/ircomm_param.h>
42
43#define IRCOMM_TTY_PORTS 32
44#define IRCOMM_TTY_MAGIC 0x3432
45#define IRCOMM_TTY_MAJOR 161
46#define IRCOMM_TTY_MINOR 0
47
48/* This is used as an initial value to max_header_size before the proper
49 * value is filled in (5 for ttp, 4 for lmp). This allow us to detect
50 * the state of the underlying connection. - Jean II */
51#define IRCOMM_TTY_HDR_UNINITIALISED 16
52/* Same for payload size. See qos.c for the smallest max data size */
53#define IRCOMM_TTY_DATA_UNINITIALISED (64 - IRCOMM_TTY_HDR_UNINITIALISED)
54
Linus Torvalds1da177e2005-04-16 15:20:36 -070055/*
56 * IrCOMM TTY driver state
57 */
58struct ircomm_tty_cb {
59 irda_queue_t queue; /* Must be first */
Jiri Slabya3cc9fc2012-06-04 13:35:16 +020060 struct tty_port port;
Linus Torvalds1da177e2005-04-16 15:20:36 -070061 magic_t magic;
62
63 int state; /* Connect state */
64
Linus Torvalds1da177e2005-04-16 15:20:36 -070065 struct ircomm_cb *ircomm; /* IrCOMM layer instance */
66
67 struct sk_buff *tx_skb; /* Transmit buffer */
68 struct sk_buff *ctrl_skb; /* Control data buffer */
69
70 /* Parameters */
71 struct ircomm_params settings;
72
73 __u8 service_type; /* The service that we support */
74 int client; /* True if we are a client */
75 LOCAL_FLOW flow; /* IrTTP flow status */
76
77 int line;
Linus Torvalds1da177e2005-04-16 15:20:36 -070078
79 __u8 dlsap_sel;
80 __u8 slsap_sel;
81
82 __u32 saddr;
83 __u32 daddr;
84
85 __u32 max_data_size; /* Max data we can transmit in one packet */
86 __u32 max_header_size; /* The amount of header space we must reserve */
87 __u32 tx_data_size; /* Max data size of current tx_skb */
88
89 struct iriap_cb *iriap; /* Instance used for querying remote IAS */
90 struct ias_object* obj;
91 void *skey;
92 void *ckey;
93
Linus Torvalds1da177e2005-04-16 15:20:36 -070094 struct timer_list watchdog_timer;
95 struct work_struct tqueue;
96
Linus Torvalds1da177e2005-04-16 15:20:36 -070097 /* Protect concurent access to :
Linus Torvalds1da177e2005-04-16 15:20:36 -070098 * o self->ctrl_skb
99 * o self->tx_skb
100 * Maybe other things may gain to be protected as well...
101 * Jean II */
102 spinlock_t spinlock;
103};
104
105void ircomm_tty_start(struct tty_struct *tty);
106void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self);
107
Alan Cox60b33c12011-02-14 16:26:14 +0000108extern int ircomm_tty_tiocmget(struct tty_struct *tty);
Alan Cox20b9d172011-02-14 16:26:50 +0000109extern int ircomm_tty_tiocmset(struct tty_struct *tty,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110 unsigned int set, unsigned int clear);
Alan Cox6caa76b2011-02-14 16:27:22 +0000111extern int ircomm_tty_ioctl(struct tty_struct *tty,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112 unsigned int cmd, unsigned long arg);
113extern void ircomm_tty_set_termios(struct tty_struct *tty,
Alan Coxedc6afc2006-12-08 02:38:44 -0800114 struct ktermios *old_termios);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115
116#endif
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