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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 | |
a6227e26 | 25 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
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26 | * |
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 | ||
1da177e4 LT |
53 | /* |
54 | * IrCOMM TTY driver state | |
55 | */ | |
56 | struct ircomm_tty_cb { | |
57 | irda_queue_t queue; /* Must be first */ | |
a3cc9fcf | 58 | struct tty_port port; |
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59 | magic_t magic; |
60 | ||
61 | int state; /* Connect state */ | |
62 | ||
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63 | 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; | |
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76 | |
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 | ||
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92 | struct timer_list watchdog_timer; |
93 | struct work_struct tqueue; | |
94 | ||
1da177e4 | 95 | /* Protect concurent access to : |
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96 | * 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 | ||
103 | void ircomm_tty_start(struct tty_struct *tty); | |
104 | void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self); | |
105 | ||
0e418f94 JP |
106 | int ircomm_tty_tiocmget(struct tty_struct *tty); |
107 | int ircomm_tty_tiocmset(struct tty_struct *tty, unsigned int set, | |
108 | unsigned int clear); | |
109 | int ircomm_tty_ioctl(struct tty_struct *tty, unsigned int cmd, | |
110 | unsigned long arg); | |
111 | void ircomm_tty_set_termios(struct tty_struct *tty, | |
112 | struct ktermios *old_termios); | |
1da177e4 LT |
113 | |
114 | #endif | |
115 | ||
116 | ||
117 | ||
118 | ||
119 | ||
120 | ||
121 |