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+/*********************************************************************
+ *
+ * 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
+
+
+
+
+
+
+
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