projects / deliverable / linux.git / blame
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|---|---|---|
| 1da177e4 LT |
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/>. |
| 1da177e4 LT |
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; |
| 1da177e4 LT |
59 | magic_t magic; |
| 60 | ||
| 61 | int state; /* Connect state */ | |
| 62 | ||
| 1da177e4 LT |
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; | |
| 1da177e4 LT |
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 | ||
| 1da177e4 LT |
92 | struct timer_list watchdog_timer; |
| 93 | struct work_struct tqueue; | |
| 94 | ||
| 1da177e4 | 95 | /* Protect concurent access to : |
| 1da177e4 LT |
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 |