Lines Matching refs:tty
47 tty->name, (info->tport.flags), serial_driver->refcount,info->count,tty->count,s)
121 static void change_speed(struct tty_struct *tty, struct serial_state *info,
123 static void rs_wait_until_sent(struct tty_struct *tty, int timeout);
186 static void rs_stop(struct tty_struct *tty) in rs_stop() argument
188 struct serial_state *info = tty->driver_data; in rs_stop()
191 if (serial_paranoia_check(info, tty->name, "rs_stop")) in rs_stop()
206 static void rs_start(struct tty_struct *tty) in rs_start() argument
208 struct serial_state *info = tty->driver_data; in rs_start()
211 if (serial_paranoia_check(info, tty->name, "rs_start")) in rs_start()
315 do_SAK(info->tport.tty); in receive_chars()
349 || info->tport.tty->stopped in transmit_chars()
350 || info->tport.tty->hw_stopped) { in transmit_chars()
365 tty_wakeup(info->tport.tty); in transmit_chars()
412 if (port->tty) in check_modem_status()
413 tty_hangup(port->tty); in check_modem_status()
417 if (port->tty->hw_stopped) { in check_modem_status()
422 port->tty->hw_stopped = 0; in check_modem_status()
429 tty_wakeup(port->tty); in check_modem_status()
437 port->tty->hw_stopped = 1; in check_modem_status()
470 if (!info->tport.tty) in ser_rx_int()
489 if (!info->tport.tty) in ser_tx_int()
515 static int startup(struct tty_struct *tty, struct serial_state *info) in startup() argument
550 set_bit(TTY_IO_ERROR, &tty->flags); in startup()
565 if (C_BAUD(tty)) in startup()
569 clear_bit(TTY_IO_ERROR, &tty->flags); in startup()
576 tty->alt_speed = 57600; in startup()
578 tty->alt_speed = 115200; in startup()
580 tty->alt_speed = 230400; in startup()
582 tty->alt_speed = 460800; in startup()
587 change_speed(tty, info, NULL); in startup()
602 static void shutdown(struct tty_struct *tty, struct serial_state *info) in shutdown() argument
642 if (C_HUPCL(tty)) in shutdown()
646 set_bit(TTY_IO_ERROR, &tty->flags); in shutdown()
657 static void change_speed(struct tty_struct *tty, struct serial_state *info, in change_speed() argument
666 cflag = tty->termios.c_cflag; in change_speed()
687 baud = tty_get_baud_rate(tty); in change_speed()
703 tty->termios.c_cflag &= ~CBAUD; in change_speed()
704 tty->termios.c_cflag |= (old_termios->c_cflag & CBAUD); in change_speed()
705 baud = tty_get_baud_rate(tty); in change_speed()
745 if (I_INPCK(tty)) in change_speed()
747 if (I_BRKINT(tty) || I_PARMRK(tty)) in change_speed()
754 if (I_IGNPAR(tty)) in change_speed()
756 if (I_IGNBRK(tty)) { in change_speed()
762 if (I_IGNPAR(tty)) in change_speed()
790 static int rs_put_char(struct tty_struct *tty, unsigned char ch) in rs_put_char() argument
795 info = tty->driver_data; in rs_put_char()
797 if (serial_paranoia_check(info, tty->name, "rs_put_char")) in rs_put_char()
817 static void rs_flush_chars(struct tty_struct *tty) in rs_flush_chars() argument
819 struct serial_state *info = tty->driver_data; in rs_flush_chars()
822 if (serial_paranoia_check(info, tty->name, "rs_flush_chars")) in rs_flush_chars()
826 || tty->stopped in rs_flush_chars()
827 || tty->hw_stopped in rs_flush_chars()
841 static int rs_write(struct tty_struct * tty, const unsigned char *buf, int count) in rs_write() argument
844 struct serial_state *info = tty->driver_data; in rs_write()
847 if (serial_paranoia_check(info, tty->name, "rs_write")) in rs_write()
873 && !tty->stopped in rs_write()
874 && !tty->hw_stopped in rs_write()
888 static int rs_write_room(struct tty_struct *tty) in rs_write_room() argument
890 struct serial_state *info = tty->driver_data; in rs_write_room()
892 if (serial_paranoia_check(info, tty->name, "rs_write_room")) in rs_write_room()
897 static int rs_chars_in_buffer(struct tty_struct *tty) in rs_chars_in_buffer() argument
899 struct serial_state *info = tty->driver_data; in rs_chars_in_buffer()
901 if (serial_paranoia_check(info, tty->name, "rs_chars_in_buffer")) in rs_chars_in_buffer()
906 static void rs_flush_buffer(struct tty_struct *tty) in rs_flush_buffer() argument
908 struct serial_state *info = tty->driver_data; in rs_flush_buffer()
911 if (serial_paranoia_check(info, tty->name, "rs_flush_buffer")) in rs_flush_buffer()
916 tty_wakeup(tty); in rs_flush_buffer()
923 static void rs_send_xchar(struct tty_struct *tty, char ch) in rs_send_xchar() argument
925 struct serial_state *info = tty->driver_data; in rs_send_xchar()
928 if (serial_paranoia_check(info, tty->name, "rs_send_xchar")) in rs_send_xchar()
958 static void rs_throttle(struct tty_struct * tty) in rs_throttle() argument
960 struct serial_state *info = tty->driver_data; in rs_throttle()
963 printk("throttle %s ....\n", tty_name(tty)); in rs_throttle()
966 if (serial_paranoia_check(info, tty->name, "rs_throttle")) in rs_throttle()
969 if (I_IXOFF(tty)) in rs_throttle()
970 rs_send_xchar(tty, STOP_CHAR(tty)); in rs_throttle()
972 if (C_CRTSCTS(tty)) in rs_throttle()
980 static void rs_unthrottle(struct tty_struct * tty) in rs_unthrottle() argument
982 struct serial_state *info = tty->driver_data; in rs_unthrottle()
985 printk("unthrottle %s ....\n", tty_name(tty)); in rs_unthrottle()
988 if (serial_paranoia_check(info, tty->name, "rs_unthrottle")) in rs_unthrottle()
991 if (I_IXOFF(tty)) { in rs_unthrottle()
995 rs_send_xchar(tty, START_CHAR(tty)); in rs_unthrottle()
997 if (C_CRTSCTS(tty)) in rs_unthrottle()
1010 static int get_serial_info(struct tty_struct *tty, struct serial_state *state, in get_serial_info() argument
1018 tty_lock(tty); in get_serial_info()
1019 tmp.line = tty->index; in get_serial_info()
1027 tty_unlock(tty); in get_serial_info()
1033 static int set_serial_info(struct tty_struct *tty, struct serial_state *state, in set_serial_info() argument
1044 tty_lock(tty); in set_serial_info()
1049 tty_unlock(tty); in set_serial_info()
1059 tty_unlock(tty); in set_serial_info()
1069 tty_unlock(tty); in set_serial_info()
1090 tty->alt_speed = 57600; in set_serial_info()
1092 tty->alt_speed = 115200; in set_serial_info()
1094 tty->alt_speed = 230400; in set_serial_info()
1096 tty->alt_speed = 460800; in set_serial_info()
1097 change_speed(tty, state, NULL); in set_serial_info()
1100 retval = startup(tty, state); in set_serial_info()
1101 tty_unlock(tty); in set_serial_info()
1133 static int rs_tiocmget(struct tty_struct *tty) in rs_tiocmget() argument
1135 struct serial_state *info = tty->driver_data; in rs_tiocmget()
1139 if (serial_paranoia_check(info, tty->name, "rs_ioctl")) in rs_tiocmget()
1141 if (tty_io_error(tty)) in rs_tiocmget()
1155 static int rs_tiocmset(struct tty_struct *tty, unsigned int set, in rs_tiocmset() argument
1158 struct serial_state *info = tty->driver_data; in rs_tiocmset()
1161 if (serial_paranoia_check(info, tty->name, "rs_ioctl")) in rs_tiocmset()
1163 if (tty_io_error(tty)) in rs_tiocmset()
1183 static int rs_break(struct tty_struct *tty, int break_state) in rs_break() argument
1185 struct serial_state *info = tty->driver_data; in rs_break()
1188 if (serial_paranoia_check(info, tty->name, "rs_break")) in rs_break()
1207 static int rs_get_icount(struct tty_struct *tty, in rs_get_icount() argument
1210 struct serial_state *info = tty->driver_data; in rs_get_icount()
1232 static int rs_ioctl(struct tty_struct *tty, in rs_ioctl() argument
1235 struct serial_state *info = tty->driver_data; in rs_ioctl()
1242 if (serial_paranoia_check(info, tty->name, "rs_ioctl")) in rs_ioctl()
1248 if (tty_io_error(tty)) in rs_ioctl()
1254 return get_serial_info(tty, info, argp); in rs_ioctl()
1256 return set_serial_info(tty, info, argp); in rs_ioctl()
1321 static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) in rs_set_termios() argument
1323 struct serial_state *info = tty->driver_data; in rs_set_termios()
1325 unsigned int cflag = tty->termios.c_cflag; in rs_set_termios()
1327 change_speed(tty, info, old_termios); in rs_set_termios()
1340 if (!C_CRTSCTS(tty) || !tty_throttled(tty)) in rs_set_termios()
1348 if ((old_termios->c_cflag & CRTSCTS) && !C_CRTSCTS(tty)) { in rs_set_termios()
1349 tty->hw_stopped = 0; in rs_set_termios()
1350 rs_start(tty); in rs_set_termios()
1360 if (!(old_termios->c_cflag & CLOCAL) && C_CLOCAL(tty)) in rs_set_termios()
1375 static void rs_close(struct tty_struct *tty, struct file * filp) in rs_close() argument
1377 struct serial_state *state = tty->driver_data; in rs_close()
1380 if (serial_paranoia_check(state, tty->name, "rs_close")) in rs_close()
1383 if (tty_port_close_start(port, tty, filp) == 0) in rs_close()
1406 rs_wait_until_sent(tty, state->timeout); in rs_close()
1408 shutdown(tty, state); in rs_close()
1409 rs_flush_buffer(tty); in rs_close()
1411 tty_ldisc_flush(tty); in rs_close()
1412 port->tty = NULL; in rs_close()
1414 tty_port_close_end(port, tty); in rs_close()
1420 static void rs_wait_until_sent(struct tty_struct *tty, int timeout) in rs_wait_until_sent() argument
1422 struct serial_state *info = tty->driver_data; in rs_wait_until_sent()
1426 if (serial_paranoia_check(info, tty->name, "rs_wait_until_sent")) in rs_wait_until_sent()
1483 static void rs_hangup(struct tty_struct *tty) in rs_hangup() argument
1485 struct serial_state *info = tty->driver_data; in rs_hangup()
1487 if (serial_paranoia_check(info, tty->name, "rs_hangup")) in rs_hangup()
1490 rs_flush_buffer(tty); in rs_hangup()
1491 shutdown(tty, info); in rs_hangup()
1494 info->tport.tty = NULL; in rs_hangup()
1504 static int rs_open(struct tty_struct *tty, struct file * filp) in rs_open() argument
1506 struct serial_state *info = rs_table + tty->index; in rs_open()
1511 port->tty = tty; in rs_open()
1512 tty->driver_data = info; in rs_open()
1513 tty->port = port; in rs_open()
1514 if (serial_paranoia_check(info, tty->name, "rs_open")) in rs_open()
1519 retval = startup(tty, info); in rs_open()
1524 return tty_port_block_til_ready(port, tty, filp); in rs_open()