90 static void cy_send_xchar(struct tty_struct *tty, char ch);
486 						struct tty_struct *tty =  in cyy_chip_rx()  local
488 						if (tty) {  in cyy_chip_rx()
489 							do_SAK(tty);  in cyy_chip_rx()
490 							tty_kref_put(tty);  in cyy_chip_rx()
572 	struct tty_struct *tty;  in cyy_chip_tx()  local
590 	tty = tty_port_tty_get(&info->port);  in cyy_chip_tx()
591 	if (tty == NULL) {  in cyy_chip_tx()
638 		if (tty->stopped || tty->hw_stopped) {  in cyy_chip_tx()
673 	tty_wakeup(tty);  in cyy_chip_tx()
674 	tty_kref_put(tty);  in cyy_chip_tx()
685 	struct tty_struct *tty;  in cyy_chip_modem()  local
699 	tty = tty_port_tty_get(&info->port);  in cyy_chip_modem()
700 	if (!tty)  in cyy_chip_modem()
721 			tty_hangup(tty);  in cyy_chip_modem()
724 		if (tty->hw_stopped) {  in cyy_chip_modem()
728 				tty->hw_stopped = 0;  in cyy_chip_modem()
731 				tty_wakeup(tty);  in cyy_chip_modem()
737 				tty->hw_stopped = 1;  in cyy_chip_modem()
747 	tty_kref_put(tty);  in cyy_chip_modem()
1013 	struct tty_struct *tty;  in cyz_handle_tx()  local
1036 	tty = tty_port_tty_get(&info->port);  in cyz_handle_tx()
1037 	if (tty == NULL)  in cyz_handle_tx()
1080 	tty_wakeup(tty);  in cyz_handle_tx()
1081 	tty_kref_put(tty);  in cyz_handle_tx()
1265 static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)  in cy_startup()  argument
1286 		set_bit(TTY_IO_ERROR, &tty->flags);  in cy_startup()
1297 	cy_set_line_char(info, tty);  in cy_startup()
1369 	clear_bit(TTY_IO_ERROR, &tty->flags);  in cy_startup()
1422 static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)  in cy_shutdown()  argument
1443 		if (tty->termios.c_cflag & HUPCL)  in cy_shutdown()
1450 		set_bit(TTY_IO_ERROR, &tty->flags);  in cy_shutdown()
1472 		if (tty->termios.c_cflag & HUPCL)  in cy_shutdown()
1475 		set_bit(TTY_IO_ERROR, &tty->flags);  in cy_shutdown()
1496 static int cy_open(struct tty_struct *tty, struct file *filp)  in cy_open()  argument
1499 	unsigned int i, line = tty->index;  in cy_open()
1565 	tty->driver_data = info;  in cy_open()
1566 	if (serial_paranoia_check(info, tty->name, "cy_open"))  in cy_open()
1582 	retval = cy_startup(info, tty);  in cy_open()
1586 	retval = tty_port_block_til_ready(&info->port, tty, filp);  in cy_open()
1596 	tty_port_tty_set(&info->port, tty);  in cy_open()
1607 static void cy_wait_until_sent(struct tty_struct *tty, int timeout)  in cy_wait_until_sent()  argument
1610 	struct cyclades_port *info = tty->driver_data;  in cy_wait_until_sent()
1614 	if (serial_paranoia_check(info, tty->name, "cy_wait_until_sent"))  in cy_wait_until_sent()
1663 static void cy_flush_buffer(struct tty_struct *tty)  in cy_flush_buffer()  argument
1665 	struct cyclades_port *info = tty->driver_data;  in cy_flush_buffer()
1674 	if (serial_paranoia_check(info, tty->name, "cy_flush_buffer"))  in cy_flush_buffer()
1694 	tty_wakeup(tty);  in cy_flush_buffer()
1718 			cy_wait_until_sent(port->tty, info->timeout);  in cy_do_close()
1741 	cy_shutdown(info, port->tty);  in cy_do_close()
1747 static void cy_close(struct tty_struct *tty, struct file *filp)  in cy_close()  argument
1749 	struct cyclades_port *info = tty->driver_data;  in cy_close()
1750 	if (!info || serial_paranoia_check(info, tty->name, "cy_close"))  in cy_close()
1752 	tty_port_close(&info->port, tty, filp);  in cy_close()
1768 static int cy_write(struct tty_struct *tty, const unsigned char *buf, int count)  in cy_write()  argument
1770 	struct cyclades_port *info = tty->driver_data;  in cy_write()
1778 	if (serial_paranoia_check(info, tty->name, "cy_write"))  in cy_write()
1805 	if (info->xmit_cnt && !tty->stopped && !tty->hw_stopped)  in cy_write()
1818 static int cy_put_char(struct tty_struct *tty, unsigned char ch)  in cy_put_char()  argument
1820 	struct cyclades_port *info = tty->driver_data;  in cy_put_char()
1827 	if (serial_paranoia_check(info, tty->name, "cy_put_char"))  in cy_put_char()
1852 static void cy_flush_chars(struct tty_struct *tty)  in cy_flush_chars()  argument
1854 	struct cyclades_port *info = tty->driver_data;  in cy_flush_chars()
1860 	if (serial_paranoia_check(info, tty->name, "cy_flush_chars"))  in cy_flush_chars()
1863 	if (info->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped ||  in cy_flush_chars()
1876 static int cy_write_room(struct tty_struct *tty)  in cy_write_room()  argument
1878 	struct cyclades_port *info = tty->driver_data;  in cy_write_room()
1885 	if (serial_paranoia_check(info, tty->name, "cy_write_room"))  in cy_write_room()
1893 static int cy_chars_in_buffer(struct tty_struct *tty)  in cy_chars_in_buffer()  argument
1895 	struct cyclades_port *info = tty->driver_data;  in cy_chars_in_buffer()
1897 	if (serial_paranoia_check(info, tty->name, "cy_chars_in_buffer"))  in cy_chars_in_buffer()
1965 static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)  in cy_set_line_char()  argument
1977 	cflag = tty->termios.c_cflag;  in cy_set_line_char()
1978 	iflag = tty->termios.c_iflag;  in cy_set_line_char()
1984 		tty->alt_speed = 57600;  in cy_set_line_char()
1986 		tty->alt_speed = 115200;  in cy_set_line_char()
1988 		tty->alt_speed = 230400;  in cy_set_line_char()
1990 		tty->alt_speed = 460800;  in cy_set_line_char()
1999 		baud = tty_get_baud_rate(tty);  in cy_set_line_char()
2122 		cyy_writeb(info, CySCHR1, START_CHAR(tty));  in cy_set_line_char()
2123 		cyy_writeb(info, CySCHR2, STOP_CHAR(tty));  in cy_set_line_char()
2140 		if (!C_CLOCAL(tty))  in cy_set_line_char()
2157 		clear_bit(TTY_IO_ERROR, &tty->flags);  in cy_set_line_char()
2169 		baud = tty_get_baud_rate(tty);  in cy_set_line_char()
2280 		clear_bit(TTY_IO_ERROR, &tty->flags);  in cy_set_line_char()
2305 cy_set_serial_info(struct cyclades_port *info, struct tty_struct *tty,  in cy_set_serial_info()  argument
2346 		cy_set_line_char(info, tty);  in cy_set_serial_info()
2349 		ret = cy_startup(info, tty);  in cy_set_serial_info()
2384 static int cy_tiocmget(struct tty_struct *tty)  in cy_tiocmget()  argument
2386 	struct cyclades_port *info = tty->driver_data;  in cy_tiocmget()
2390 	if (serial_paranoia_check(info, tty->name, __func__))  in cy_tiocmget()
2438 cy_tiocmset(struct tty_struct *tty,  in cy_tiocmset()  argument
2441 	struct cyclades_port *info = tty->driver_data;  in cy_tiocmset()
2445 	if (serial_paranoia_check(info, tty->name, __func__))  in cy_tiocmset()
2494 static int cy_break(struct tty_struct *tty, int break_state)  in cy_break()  argument
2496 	struct cyclades_port *info = tty->driver_data;  in cy_break()
2501 	if (serial_paranoia_check(info, tty->name, "cy_break"))  in cy_break()
2635 cy_ioctl(struct tty_struct *tty,  in cy_ioctl()  argument
2638 	struct cyclades_port *info = tty->driver_data;  in cy_ioctl()
2644 	if (serial_paranoia_check(info, tty->name, "cy_ioctl"))  in cy_ioctl()
2721 		ret_val = cy_set_serial_info(info, tty, argp);  in cy_ioctl()
2757 static int cy_get_icount(struct tty_struct *tty,  in cy_get_icount()  argument
2760 	struct cyclades_port *info = tty->driver_data;  in cy_get_icount()
2788 static void cy_set_termios(struct tty_struct *tty, struct ktermios *old_termios)  in cy_set_termios()  argument
2790 	struct cyclades_port *info = tty->driver_data;  in cy_set_termios()
2796 	cy_set_line_char(info, tty);  in cy_set_termios()
2799 			!(tty->termios.c_cflag & CRTSCTS)) {  in cy_set_termios()
2800 		tty->hw_stopped = 0;  in cy_set_termios()
2801 		cy_start(tty);  in cy_set_termios()
2811 	    (tty->termios.c_cflag & CLOCAL))  in cy_set_termios()
2819 static void cy_send_xchar(struct tty_struct *tty, char ch)  in cy_send_xchar()  argument
2821 	struct cyclades_port *info = tty->driver_data;  in cy_send_xchar()
2825 	if (serial_paranoia_check(info, tty->name, "cy_send_xchar"))  in cy_send_xchar()
2831 		cy_start(tty);  in cy_send_xchar()
2837 		if (ch == STOP_CHAR(tty))  in cy_send_xchar()
2839 		else if (ch == START_CHAR(tty))  in cy_send_xchar()
2848 static void cy_throttle(struct tty_struct *tty)  in cy_throttle()  argument
2850 	struct cyclades_port *info = tty->driver_data;  in cy_throttle()
2855 	printk(KERN_DEBUG "cyc:throttle %s: %ld...ttyC%d\n", tty_name(tty),  in cy_throttle()
2856 			tty->ldisc.chars_in_buffer(tty), info->line);  in cy_throttle()
2859 	if (serial_paranoia_check(info, tty->name, "cy_throttle"))  in cy_throttle()
2864 	if (I_IXOFF(tty)) {  in cy_throttle()
2866 			cy_send_xchar(tty, STOP_CHAR(tty));  in cy_throttle()
2871 	if (tty->termios.c_cflag & CRTSCTS) {  in cy_throttle()
2887 static void cy_unthrottle(struct tty_struct *tty)  in cy_unthrottle()  argument
2889 	struct cyclades_port *info = tty->driver_data;  in cy_unthrottle()
2895 		tty_name(tty), tty_chars_in_buffer(tty), info->line);  in cy_unthrottle()
2898 	if (serial_paranoia_check(info, tty->name, "cy_unthrottle"))  in cy_unthrottle()
2901 	if (I_IXOFF(tty)) {  in cy_unthrottle()
2905 			cy_send_xchar(tty, START_CHAR(tty));  in cy_unthrottle()
2908 	if (tty->termios.c_cflag & CRTSCTS) {  in cy_unthrottle()
2923 static void cy_stop(struct tty_struct *tty)  in cy_stop()  argument
2926 	struct cyclades_port *info = tty->driver_data;  in cy_stop()
2934 	if (serial_paranoia_check(info, tty->name, "cy_stop"))  in cy_stop()
2947 static void cy_start(struct tty_struct *tty)  in cy_start()  argument
2950 	struct cyclades_port *info = tty->driver_data;  in cy_start()
2958 	if (serial_paranoia_check(info, tty->name, "cy_start"))  in cy_start()
2974 static void cy_hangup(struct tty_struct *tty)  in cy_hangup()  argument
2976 	struct cyclades_port *info = tty->driver_data;  in cy_hangup()
2982 	if (serial_paranoia_check(info, tty->name, "cy_hangup"))  in cy_hangup()
2985 	cy_flush_buffer(tty);  in cy_hangup()
2986 	cy_shutdown(info, tty);  in cy_hangup()
3966 				struct tty_struct *tty;  in cyclades_proc_show()  local
3969 				tty = tty_port_tty_get(&info->port);  in cyclades_proc_show()
3970 				if (tty) {  in cyclades_proc_show()
3971 					ld = tty_ldisc_ref(tty);  in cyclades_proc_show()
3976 					tty_kref_put(tty);  in cyclades_proc_show()