1 /*********************************************************************
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
38 #include <net/irda/irias_object.h>
39 #include <net/irda/ircomm_core.h>
40 #include <net/irda/ircomm_param.h>
41
42 #define IRCOMM_TTY_PORTS 32
43 #define IRCOMM_TTY_MAGIC 0x3432
44 #define IRCOMM_TTY_MAJOR 161
45 #define IRCOMM_TTY_MINOR 0
46
47 /*
48 * IrCOMM TTY driver state
49 */
50 struct ircomm_tty_cb {
51 irda_queue_t queue; /* Must be first */
52 magic_t magic;
53
54 int state; /* Connect state */
55
56 struct tty_struct *tty;
57 struct ircomm_cb *ircomm; /* IrCOMM layer instance */
58
59 struct sk_buff *tx_skb; /* Transmit buffer */
60 struct sk_buff *ctrl_skb; /* Control data buffer */
61
62 /* Parameters */
63 struct ircomm_params settings;
64
65 __u8 service_type; /* The service that we support */
66 int client; /* True if we are a client */
67 LOCAL_FLOW flow; /* IrTTP flow status */
68
69 int line;
70 __u32 flags;
71
72 __u8 dlsap_sel;
73 __u8 slsap_sel;
74
75 __u32 saddr;
76 __u32 daddr;
77
78 __u32 max_data_size; /* Max data we can transmit in one packet */
79 __u32 max_header_size; /* The amount of header space we must reserve */
80
81 struct iriap_cb *iriap; /* Instance used for querying remote IAS */
82 struct ias_object* obj;
83 int skey;
84 int ckey;
85
86 struct termios normal_termios;
87 struct termios callout_termios;
88
89 wait_queue_head_t open_wait;
90 wait_queue_head_t close_wait;
91 struct timer_list watchdog_timer;
92 struct tq_struct tqueue;
93
94 unsigned short close_delay;
95 unsigned short closing_wait; /* time to wait before closing */
96
97 long session; /* Session of opening process */
98 long pgrp; /* pgrp of opening process */
99 int open_count;
100 int blocked_open; /* # of blocked opens */
101 };
102
103 void ircomm_tty_start(struct tty_struct *tty);
104 void ircomm_tty_stop(struct tty_struct *tty);
105 void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self);
106
107 extern void ircomm_tty_change_speed(struct ircomm_tty_cb *self);
108 extern int ircomm_tty_ioctl(struct tty_struct *tty, struct file *file,
109 unsigned int cmd, unsigned long arg);
110 extern void ircomm_tty_set_termios(struct tty_struct *tty,
111 struct termios *old_termios);
112 extern hashbin_t *ircomm_tty;
113
114 #endif
115
116
117
118
119
120
121
122
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