| /********************************************************************* |
| * |
| * Filename: ircomm_tty.h |
| * Version: |
| * Description: |
| * Status: Experimental. |
| * Author: Dag Brattli <dagb@cs.uit.no> |
| * Created at: Sun Jun 6 23:24:22 1999 |
| * Modified at: Fri Jan 28 13:16:57 2000 |
| * Modified by: Dag Brattli <dagb@cs.uit.no> |
| * |
| * Copyright (c) 1999-2000 Dag Brattli, All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| * |
| ********************************************************************/ |
| |
| #ifndef IRCOMM_TTY_H |
| #define IRCOMM_TTY_H |
| |
| #include <linux/serial.h> |
| #include <linux/termios.h> |
| #include <linux/timer.h> |
| #include <linux/tty.h> /* struct tty_struct */ |
| |
| #include <net/irda/irias_object.h> |
| #include <net/irda/ircomm_core.h> |
| #include <net/irda/ircomm_param.h> |
| |
| #define IRCOMM_TTY_PORTS 32 |
| #define IRCOMM_TTY_MAGIC 0x3432 |
| #define IRCOMM_TTY_MAJOR 161 |
| #define IRCOMM_TTY_MINOR 0 |
| |
| /* This is used as an initial value to max_header_size before the proper |
| * value is filled in (5 for ttp, 4 for lmp). This allow us to detect |
| * the state of the underlying connection. - Jean II */ |
| #define IRCOMM_TTY_HDR_UNINITIALISED 16 |
| /* Same for payload size. See qos.c for the smallest max data size */ |
| #define IRCOMM_TTY_DATA_UNINITIALISED (64 - IRCOMM_TTY_HDR_UNINITIALISED) |
| |
| /* Those are really defined in include/linux/serial.h - Jean II */ |
| #define ASYNC_B_INITIALIZED 31 /* Serial port was initialized */ |
| #define ASYNC_B_NORMAL_ACTIVE 29 /* Normal device is active */ |
| #define ASYNC_B_CLOSING 27 /* Serial port is closing */ |
| |
| /* |
| * IrCOMM TTY driver state |
| */ |
| struct ircomm_tty_cb { |
| irda_queue_t queue; /* Must be first */ |
| magic_t magic; |
| |
| int state; /* Connect state */ |
| |
| struct tty_struct *tty; |
| struct ircomm_cb *ircomm; /* IrCOMM layer instance */ |
| |
| struct sk_buff *tx_skb; /* Transmit buffer */ |
| struct sk_buff *ctrl_skb; /* Control data buffer */ |
| |
| /* Parameters */ |
| struct ircomm_params settings; |
| |
| __u8 service_type; /* The service that we support */ |
| int client; /* True if we are a client */ |
| LOCAL_FLOW flow; /* IrTTP flow status */ |
| |
| int line; |
| unsigned long flags; |
| |
| __u8 dlsap_sel; |
| __u8 slsap_sel; |
| |
| __u32 saddr; |
| __u32 daddr; |
| |
| __u32 max_data_size; /* Max data we can transmit in one packet */ |
| __u32 max_header_size; /* The amount of header space we must reserve */ |
| __u32 tx_data_size; /* Max data size of current tx_skb */ |
| |
| struct iriap_cb *iriap; /* Instance used for querying remote IAS */ |
| struct ias_object* obj; |
| void *skey; |
| void *ckey; |
| |
| wait_queue_head_t open_wait; |
| wait_queue_head_t close_wait; |
| struct timer_list watchdog_timer; |
| struct work_struct tqueue; |
| |
| unsigned short close_delay; |
| unsigned short closing_wait; /* time to wait before closing */ |
| |
| int open_count; |
| int blocked_open; /* # of blocked opens */ |
| |
| /* Protect concurent access to : |
| * o self->open_count |
| * o self->ctrl_skb |
| * o self->tx_skb |
| * Maybe other things may gain to be protected as well... |
| * Jean II */ |
| spinlock_t spinlock; |
| }; |
| |
| void ircomm_tty_start(struct tty_struct *tty); |
| void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self); |
| |
| extern int ircomm_tty_tiocmget(struct tty_struct *tty); |
| extern int ircomm_tty_tiocmset(struct tty_struct *tty, struct file *file, |
| unsigned int set, unsigned int clear); |
| extern int ircomm_tty_ioctl(struct tty_struct *tty, struct file *file, |
| unsigned int cmd, unsigned long arg); |
| extern void ircomm_tty_set_termios(struct tty_struct *tty, |
| struct ktermios *old_termios); |
| |
| #endif |
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