2 * include/asm-mips/dec/serial.h
4 * Definitions common to all DECstation serial devices.
6 * Copyright (C) 2004 Maciej W. Rozycki
8 * Based on bits extracted from drivers/tc/zs.h for which
9 * the following copyrights apply:
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
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.
20 #ifndef __ASM_MIPS_DEC_SERIAL_H
21 #define __ASM_MIPS_DEC_SERIAL_H
23 struct 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);
32 extern int register_dec_serial_hook(unsigned int channel,
33 struct dec_serial_hook *hook);
34 extern int unregister_dec_serial_hook(unsigned int channel);
36 #endif /* __ASM_MIPS_DEC_SERIAL_H */