2 * include/linux/serial.h
4 * Copyright (C) 1992 by Theodore Ts'o.
6 * Redistribution of this file is permitted under the terms of the GNU
9 #ifndef _LINUX_SERIAL_H
10 #define _LINUX_SERIAL_H
13 #include <uapi/linux/serial.h>
15 /* Helper for dealing with UART_LCR_WLEN* defines */
16 #define UART_LCR_WLEN(x) ((x) - 5)
19 * Counters of the input lines (CTS, DSR, RI, CD) interrupts
23 __u32 cts, dsr, rng, dcd, tx, rx;
24 __u32 frame, parity, overrun, brk;
29 * The size of the serial xmit buffer is 1 page, or 4096 bytes
31 #define SERIAL_XMIT_SIZE PAGE_SIZE
33 #include <linux/compiler.h>
35 #endif /* _LINUX_SERIAL_H */