1 /* 2 * include/linux/serial.h 3 * 4 * Copyright (C) 1992 by Theodore Ts'o. 5 * 6 * Redistribution of this file is permitted under the terms of the GNU 7 * Public License (GPL) 8 */ 9 #ifndef _LINUX_SERIAL_H 10 #define _LINUX_SERIAL_H 11 12 #include <asm/page.h> 13 #include <uapi/linux/serial.h> 14 15 16 /* 17 * Counters of the input lines (CTS, DSR, RI, CD) interrupts 18 */ 19 20 struct async_icount { 21 __u32 cts, dsr, rng, dcd, tx, rx; 22 __u32 frame, parity, overrun, brk; 23 __u32 buf_overrun; 24 }; 25 26 /* 27 * The size of the serial xmit buffer is 1 page, or 4096 bytes 28 */ 29 #define SERIAL_XMIT_SIZE PAGE_SIZE 30 31 #include <linux/compiler.h> 32 33 #endif /* _LINUX_SERIAL_H */ 34