linux-sg2042/include/asm-mips/dec/serial.h

37 lines
1.2 KiB
C

/*
* include/asm-mips/dec/serial.h
*
* Definitions common to all DECstation serial devices.
*
* Copyright (C) 2004 Maciej W. Rozycki
*
* Based on bits extracted from drivers/tc/zs.h for which
* the following copyrights apply:
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1996 Paul Mackerras (Paul.Mackerras@cs.anu.edu.au)
* Copyright (C) Harald Koerfgen
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef __ASM_MIPS_DEC_SERIAL_H
#define __ASM_MIPS_DEC_SERIAL_H
struct dec_serial_hook {
int (*init_channel)(void *handle);
void (*init_info)(void *handle);
void (*rx_char)(unsigned char ch, unsigned char fl);
int (*poll_rx_char)(void *handle);
int (*poll_tx_char)(void *handle, unsigned char ch);
unsigned int cflags;
};
extern int register_dec_serial_hook(unsigned int channel,
struct dec_serial_hook *hook);
extern int unregister_dec_serial_hook(unsigned int channel);
#endif /* __ASM_MIPS_DEC_SERIAL_H */