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Diffstat (limited to 'include/net/irda/ircomm_tty.h')
| -rw-r--r-- | include/net/irda/ircomm_tty.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/include/net/irda/ircomm_tty.h b/include/net/irda/ircomm_tty.h new file mode 100644 index 000000000000..87699cb4ef8c --- /dev/null +++ b/include/net/irda/ircomm_tty.h @@ -0,0 +1,139 @@ +/********************************************************************* + * + * 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, struct file *file); +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 termios *old_termios); +extern hashbin_t *ircomm_tty; + +#endif + + + + + + + |