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 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); 29 unsigned int cflags; 30 }; 31 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); 35 36 #endif /* __ASM_MIPS_DEC_SERIAL_H */ 37