52 static int  ircomm_tty_open(struct tty_struct *tty, struct file *filp);
53 static void ircomm_tty_close(struct tty_struct * tty, struct file *filp);
54 static int  ircomm_tty_write(struct tty_struct * tty,
56 static int  ircomm_tty_write_room(struct tty_struct *tty);
57 static void ircomm_tty_throttle(struct tty_struct *tty);
58 static void ircomm_tty_unthrottle(struct tty_struct *tty);
59 static int  ircomm_tty_chars_in_buffer(struct tty_struct *tty);
60 static void ircomm_tty_flush_buffer(struct tty_struct *tty);
61 static void ircomm_tty_send_xchar(struct tty_struct *tty, char ch);
62 static void ircomm_tty_wait_until_sent(struct tty_struct *tty, int timeout);
63 static void ircomm_tty_hangup(struct tty_struct *tty);
66 static void ircomm_tty_stop(struct tty_struct *tty);
250 	struct tty_struct *tty;  in ircomm_tty_block_til_ready()  local
254 	tty = self->tty;  in ircomm_tty_block_til_ready()
260 	if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){  in ircomm_tty_block_til_ready()
267 	if (tty->termios->c_cflag & CLOCAL) {  in ircomm_tty_block_til_ready()
283 	      __FILE__,__LINE__, tty->driver->name, self->open_count );  in ircomm_tty_block_til_ready()
295 		if (tty->termios->c_cflag & CBAUD) {  in ircomm_tty_block_til_ready()
332 		      __FILE__,__LINE__, tty->driver->name, self->open_count );  in ircomm_tty_block_til_ready()
349 	      __FILE__,__LINE__, tty->driver->name, self->open_count);  in ircomm_tty_block_til_ready()
364 static int ircomm_tty_open(struct tty_struct *tty, struct file *filp)  in ircomm_tty_open()  argument
373 	line = tty->index;  in ircomm_tty_open()
410 		tty->termios->c_iflag = 0;  in ircomm_tty_open()
411 		tty->termios->c_oflag = 0;  in ircomm_tty_open()
420 	tty->driver_data = self;  in ircomm_tty_open()
421 	self->tty = tty;  in ircomm_tty_open()
424 	IRDA_DEBUG(1, "%s(), %s%d, count = %d\n", __func__ , tty->driver->name,  in ircomm_tty_open()
428 	self->tty->low_latency = (self->flags & ASYNC_LOW_LATENCY) ? 1 : 0;  in ircomm_tty_open()
492 static void ircomm_tty_close(struct tty_struct *tty, struct file *filp)  in ircomm_tty_close()  argument
494 	struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;  in ircomm_tty_close()
499 	if (!tty)  in ircomm_tty_close()
514 	if ((tty->count == 1) && (self->open_count != 1)) {  in ircomm_tty_close()
553 	tty->closing = 1;  in ircomm_tty_close()
555 		tty_wait_until_sent(tty, self->closing_wait);  in ircomm_tty_close()
559 	tty_driver_flush_buffer(tty);  in ircomm_tty_close()
560 	tty_ldisc_flush(tty);  in ircomm_tty_close()
562 	tty->closing = 0;  in ircomm_tty_close()
563 	self->tty = NULL;  in ircomm_tty_close()
581 static void ircomm_tty_flush_buffer(struct tty_struct *tty)  in ircomm_tty_flush_buffer()  argument
583 	struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;  in ircomm_tty_flush_buffer()
606 	struct tty_struct *tty;  in ircomm_tty_do_softint()  local
615 	tty = self->tty;  in ircomm_tty_do_softint()
616 	if (!tty)  in ircomm_tty_do_softint()
635 	if (tty->hw_stopped)  in ircomm_tty_do_softint()
654 	tty_wakeup(tty);  in ircomm_tty_do_softint()
665 static int ircomm_tty_write(struct tty_struct *tty,  in ircomm_tty_write()  argument
668 	struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;  in ircomm_tty_write()
676 		   tty->hw_stopped);  in ircomm_tty_write()
798 static int ircomm_tty_write_room(struct tty_struct *tty)  in ircomm_tty_write_room()  argument
800 	struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;  in ircomm_tty_write_room()
817 	if (tty->hw_stopped)  in ircomm_tty_write_room()
838 static void ircomm_tty_wait_until_sent(struct tty_struct *tty, int timeout)  in ircomm_tty_wait_until_sent()  argument
840 	struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;  in ircomm_tty_wait_until_sent()
875 static void ircomm_tty_throttle(struct tty_struct *tty)  in ircomm_tty_throttle()  argument
877 	struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;  in ircomm_tty_throttle()
885 	if (I_IXOFF(tty))  in ircomm_tty_throttle()
886 		ircomm_tty_send_xchar(tty, STOP_CHAR(tty));  in ircomm_tty_throttle()
889 	if (tty->termios->c_cflag & CRTSCTS) {  in ircomm_tty_throttle()
906 static void ircomm_tty_unthrottle(struct tty_struct *tty)  in ircomm_tty_unthrottle()  argument
908 	struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;  in ircomm_tty_unthrottle()
916 	if (I_IXOFF(tty)) {  in ircomm_tty_unthrottle()
917 		ircomm_tty_send_xchar(tty, START_CHAR(tty));  in ircomm_tty_unthrottle()
921 	if (tty->termios->c_cflag & CRTSCTS) {  in ircomm_tty_unthrottle()
936 static int ircomm_tty_chars_in_buffer(struct tty_struct *tty)  in ircomm_tty_chars_in_buffer()  argument
938 	struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;  in ircomm_tty_chars_in_buffer()
1000 static void ircomm_tty_hangup(struct tty_struct *tty)  in ircomm_tty_hangup()  argument
1002 	struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;  in ircomm_tty_hangup()
1010 	if (!tty)  in ircomm_tty_hangup()
1019 	self->tty = NULL;  in ircomm_tty_hangup()
1032 static void ircomm_tty_send_xchar(struct tty_struct *tty, char ch)  in ircomm_tty_send_xchar()  argument
1043 void ircomm_tty_start(struct tty_struct *tty)  in ircomm_tty_start()  argument
1045 	struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;  in ircomm_tty_start()
1056 static void ircomm_tty_stop(struct tty_struct *tty)  in ircomm_tty_stop()  argument
1058 	struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;  in ircomm_tty_stop()
1075 	struct tty_struct *tty;  in ircomm_tty_check_modem_status()  local
1083 	tty = self->tty;  in ircomm_tty_check_modem_status()
1100 			if (tty)  in ircomm_tty_check_modem_status()
1101 				tty_hangup(tty);  in ircomm_tty_check_modem_status()
1108 		if (tty->hw_stopped) {  in ircomm_tty_check_modem_status()
1112 				tty->hw_stopped = 0;  in ircomm_tty_check_modem_status()
1124 				tty->hw_stopped = 1;  in ircomm_tty_check_modem_status()
1148 	if (!self->tty) {  in ircomm_tty_data_indication()
1159 	if (self->tty->hw_stopped && (self->flow == FLOW_START)) {  in ircomm_tty_data_indication()
1174 	ld = tty_ldisc_ref(self->tty);  in ircomm_tty_data_indication()
1176 		ld->ops->receive_buf(self->tty, skb->data, NULL, skb->len);  in ircomm_tty_data_indication()
1223 	struct tty_struct *tty;  in ircomm_tty_flow_indication()  local
1228 	tty = self->tty;  in ircomm_tty_flow_indication()
1233 		tty->hw_stopped = 0;  in ircomm_tty_flow_indication()
1241 		tty->hw_stopped = 1;  in ircomm_tty_flow_indication()
1342 	if (self->tty)  in ircomm_tty_line_info()
1344 			       self->tty->hw_stopped ? "Stopped" : "Running");  in ircomm_tty_line_info()