Lines Matching refs:tty
38 tty->name, (info->tport.flags), serial_driver->refcount,info->count,tty->count,s)
112 static void change_speed(struct tty_struct *tty, struct serial_state *info,
114 static void rs_wait_until_sent(struct tty_struct *tty, int timeout);
155 static void rs_stop(struct tty_struct *tty) in rs_stop() argument
157 struct serial_state *info = tty->driver_data; in rs_stop()
172 static void rs_start(struct tty_struct *tty) in rs_start() argument
174 struct serial_state *info = tty->driver_data; in rs_start()
278 do_SAK(info->tport.tty); in receive_chars()
312 || info->tport.tty->stopped in transmit_chars()
313 || info->tport.tty->hw_stopped) { in transmit_chars()
328 tty_wakeup(info->tport.tty); in transmit_chars()
375 if (port->tty) in check_modem_status()
376 tty_hangup(port->tty); in check_modem_status()
380 if (port->tty->hw_stopped) { in check_modem_status()
385 port->tty->hw_stopped = 0; in check_modem_status()
392 tty_wakeup(port->tty); in check_modem_status()
400 port->tty->hw_stopped = 1; in check_modem_status()
433 if (!info->tport.tty) in ser_rx_int()
452 if (!info->tport.tty) in ser_tx_int()
478 static int startup(struct tty_struct *tty, struct serial_state *info) in startup() argument
513 set_bit(TTY_IO_ERROR, &tty->flags); in startup()
528 if (C_BAUD(tty)) in startup()
532 clear_bit(TTY_IO_ERROR, &tty->flags); in startup()
538 change_speed(tty, info, NULL); in startup()
553 static void shutdown(struct tty_struct *tty, struct serial_state *info) in shutdown() argument
593 if (C_HUPCL(tty)) in shutdown()
597 set_bit(TTY_IO_ERROR, &tty->flags); in shutdown()
608 static void change_speed(struct tty_struct *tty, struct serial_state *info, in change_speed() argument
617 cflag = tty->termios.c_cflag; in change_speed()
638 baud = tty_get_baud_rate(tty); in change_speed()
654 tty->termios.c_cflag &= ~CBAUD; in change_speed()
655 tty->termios.c_cflag |= (old_termios->c_cflag & CBAUD); in change_speed()
656 baud = tty_get_baud_rate(tty); in change_speed()
696 if (I_INPCK(tty)) in change_speed()
698 if (I_BRKINT(tty) || I_PARMRK(tty)) in change_speed()
705 if (I_IGNPAR(tty)) in change_speed()
707 if (I_IGNBRK(tty)) { in change_speed()
713 if (I_IGNPAR(tty)) in change_speed()
741 static int rs_put_char(struct tty_struct *tty, unsigned char ch) in rs_put_char() argument
746 info = tty->driver_data; in rs_put_char()
765 static void rs_flush_chars(struct tty_struct *tty) in rs_flush_chars() argument
767 struct serial_state *info = tty->driver_data; in rs_flush_chars()
771 || tty->stopped in rs_flush_chars()
772 || tty->hw_stopped in rs_flush_chars()
786 static int rs_write(struct tty_struct * tty, const unsigned char *buf, int count) in rs_write() argument
789 struct serial_state *info = tty->driver_data; in rs_write()
815 && !tty->stopped in rs_write()
816 && !tty->hw_stopped in rs_write()
830 static int rs_write_room(struct tty_struct *tty) in rs_write_room() argument
832 struct serial_state *info = tty->driver_data; in rs_write_room()
837 static int rs_chars_in_buffer(struct tty_struct *tty) in rs_chars_in_buffer() argument
839 struct serial_state *info = tty->driver_data; in rs_chars_in_buffer()
844 static void rs_flush_buffer(struct tty_struct *tty) in rs_flush_buffer() argument
846 struct serial_state *info = tty->driver_data; in rs_flush_buffer()
852 tty_wakeup(tty); in rs_flush_buffer()
859 static void rs_send_xchar(struct tty_struct *tty, char ch) in rs_send_xchar() argument
861 struct serial_state *info = tty->driver_data; in rs_send_xchar()
891 static void rs_throttle(struct tty_struct * tty) in rs_throttle() argument
893 struct serial_state *info = tty->driver_data; in rs_throttle()
896 printk("throttle %s ....\n", tty_name(tty)); in rs_throttle()
899 if (I_IXOFF(tty)) in rs_throttle()
900 rs_send_xchar(tty, STOP_CHAR(tty)); in rs_throttle()
902 if (C_CRTSCTS(tty)) in rs_throttle()
910 static void rs_unthrottle(struct tty_struct * tty) in rs_unthrottle() argument
912 struct serial_state *info = tty->driver_data; in rs_unthrottle()
915 printk("unthrottle %s ....\n", tty_name(tty)); in rs_unthrottle()
918 if (I_IXOFF(tty)) { in rs_unthrottle()
922 rs_send_xchar(tty, START_CHAR(tty)); in rs_unthrottle()
924 if (C_CRTSCTS(tty)) in rs_unthrottle()
937 static int get_serial_info(struct tty_struct *tty, struct serial_struct *ss) in get_serial_info() argument
939 struct serial_state *state = tty->driver_data; in get_serial_info()
941 tty_lock(tty); in get_serial_info()
942 ss->line = tty->index; in get_serial_info()
950 tty_unlock(tty); in get_serial_info()
954 static int set_serial_info(struct tty_struct *tty, struct serial_struct *ss) in set_serial_info() argument
956 struct serial_state *state = tty->driver_data; in set_serial_info()
961 tty_lock(tty); in set_serial_info()
966 tty_unlock(tty); in set_serial_info()
977 tty_unlock(tty); in set_serial_info()
987 tty_unlock(tty); in set_serial_info()
1009 dev_warn_ratelimited(tty->dev, "use of SPD flags is deprecated\n"); in set_serial_info()
1010 change_speed(tty, state, NULL); in set_serial_info()
1013 retval = startup(tty, state); in set_serial_info()
1014 tty_unlock(tty); in set_serial_info()
1045 static int rs_tiocmget(struct tty_struct *tty) in rs_tiocmget() argument
1047 struct serial_state *info = tty->driver_data; in rs_tiocmget()
1051 if (tty_io_error(tty)) in rs_tiocmget()
1065 static int rs_tiocmset(struct tty_struct *tty, unsigned int set, in rs_tiocmset() argument
1068 struct serial_state *info = tty->driver_data; in rs_tiocmset()
1071 if (tty_io_error(tty)) in rs_tiocmset()
1091 static int rs_break(struct tty_struct *tty, int break_state) in rs_break() argument
1111 static int rs_get_icount(struct tty_struct *tty, in rs_get_icount() argument
1114 struct serial_state *info = tty->driver_data; in rs_get_icount()
1136 static int rs_ioctl(struct tty_struct *tty, in rs_ioctl() argument
1139 struct serial_state *info = tty->driver_data; in rs_ioctl()
1148 if (tty_io_error(tty)) in rs_ioctl()
1205 static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) in rs_set_termios() argument
1207 struct serial_state *info = tty->driver_data; in rs_set_termios()
1209 unsigned int cflag = tty->termios.c_cflag; in rs_set_termios()
1211 change_speed(tty, info, old_termios); in rs_set_termios()
1224 if (!C_CRTSCTS(tty) || !tty_throttled(tty)) in rs_set_termios()
1232 if ((old_termios->c_cflag & CRTSCTS) && !C_CRTSCTS(tty)) { in rs_set_termios()
1233 tty->hw_stopped = 0; in rs_set_termios()
1234 rs_start(tty); in rs_set_termios()
1244 if (!(old_termios->c_cflag & CLOCAL) && C_CLOCAL(tty)) in rs_set_termios()
1259 static void rs_close(struct tty_struct *tty, struct file * filp) in rs_close() argument
1261 struct serial_state *state = tty->driver_data; in rs_close()
1264 if (tty_port_close_start(port, tty, filp) == 0) in rs_close()
1287 rs_wait_until_sent(tty, state->timeout); in rs_close()
1289 shutdown(tty, state); in rs_close()
1290 rs_flush_buffer(tty); in rs_close()
1292 tty_ldisc_flush(tty); in rs_close()
1293 port->tty = NULL; in rs_close()
1295 tty_port_close_end(port, tty); in rs_close()
1301 static void rs_wait_until_sent(struct tty_struct *tty, int timeout) in rs_wait_until_sent() argument
1303 struct serial_state *info = tty->driver_data; in rs_wait_until_sent()
1361 static void rs_hangup(struct tty_struct *tty) in rs_hangup() argument
1363 struct serial_state *info = tty->driver_data; in rs_hangup()
1365 rs_flush_buffer(tty); in rs_hangup()
1366 shutdown(tty, info); in rs_hangup()
1369 info->tport.tty = NULL; in rs_hangup()
1379 static int rs_open(struct tty_struct *tty, struct file * filp) in rs_open() argument
1381 struct serial_state *info = rs_table + tty->index; in rs_open()
1386 port->tty = tty; in rs_open()
1387 tty->driver_data = info; in rs_open()
1388 tty->port = port; in rs_open()
1392 retval = startup(tty, info); in rs_open()
1397 return tty_port_block_til_ready(port, tty, filp); in rs_open()