1/*
2 *	include/asm-mips/dec/serial.h
3 *
4 *	Definitions common to all DECstation serial devices.
5 *
6 *	Copyright (C) 2004  Maciej W. Rozycki
7 *
8 *	Based on bits extracted from drivers/tc/zs.h for which
9 *	the following copyrights apply:
10 *
11 *	Copyright (C) 1995  David S. Miller (davem@caip.rutgers.edu)
12 *	Copyright (C) 1996  Paul Mackerras (Paul.Mackerras@cs.anu.edu.au)
13 *	Copyright (C)       Harald Koerfgen
14 *
15 *	This program is free software; you can redistribute it and/or
16 *	modify it under the terms of the GNU General Public License
17 *	as published by the Free Software Foundation; either version
18 *	2 of the License, or (at your option) any later version.
19 */
20#ifndef __ASM_MIPS_DEC_SERIAL_H
21#define __ASM_MIPS_DEC_SERIAL_H
22
23struct dec_serial_hook {
24	int (*init_channel)(void *handle);
25	void (*init_info)(void *handle);
26	void (*rx_char)(unsigned char ch, unsigned char fl);
27	int (*poll_rx_char)(void *handle);
28	int (*poll_tx_char)(void *handle, unsigned char ch);
29	unsigned int cflags;
30};
31
32extern int register_dec_serial_hook(unsigned int channel,
33				    struct dec_serial_hook *hook);
34extern int unregister_dec_serial_hook(unsigned int channel);
35
36#endif /* __ASM_MIPS_DEC_SERIAL_H */
37