mirror of
https://github.com/torvalds/linux.git
synced 2024-11-16 00:52:01 +00:00
85f8f81052
Switch riscom8 to use the new tty_port structure Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
/*
|
|
* linux/drivers/char/riscom8.h -- RISCom/8 multiport serial driver.
|
|
*
|
|
* Copyright (C) 1994-1996 Dmitry Gorodchanin (pgmdsg@ibi.com)
|
|
*
|
|
* This code is loosely based on the Linux serial driver, written by
|
|
* Linus Torvalds, Theodore T'so and others. The RISCom/8 card
|
|
* programming info was obtained from various drivers for other OSes
|
|
* (FreeBSD, ISC, etc), but no source code from those drivers were
|
|
* directly included in this driver.
|
|
*
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#ifndef __LINUX_RISCOM8_H
|
|
#define __LINUX_RISCOM8_H
|
|
|
|
#include <linux/serial.h>
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#define RC_NBOARD 4
|
|
/* NOTE: RISCom decoder recognizes 16 addresses... */
|
|
#define RC_NPORT 8
|
|
#define RC_BOARD(line) (((line) >> 3) & 0x07)
|
|
#define RC_PORT(line) ((line) & (RC_NPORT - 1))
|
|
|
|
/* Ticks per sec. Used for setting receiver timeout and break length */
|
|
#define RISCOM_TPS 4000
|
|
|
|
/* Yeah, after heavy testing I decided it must be 6.
|
|
* Sure, You can change it if needed.
|
|
*/
|
|
#define RISCOM_RXFIFO 6 /* Max. receiver FIFO size (1-8) */
|
|
|
|
#define RISCOM8_MAGIC 0x0907
|
|
|
|
#define RC_IOBASE1 0x220
|
|
#define RC_IOBASE2 0x240
|
|
#define RC_IOBASE3 0x250
|
|
#define RC_IOBASE4 0x260
|
|
|
|
struct riscom_board {
|
|
unsigned long flags;
|
|
unsigned short base;
|
|
unsigned char irq;
|
|
signed char count;
|
|
unsigned char DTR;
|
|
};
|
|
|
|
#define RC_BOARD_PRESENT 0x00000001
|
|
#define RC_BOARD_ACTIVE 0x00000002
|
|
|
|
struct riscom_port {
|
|
int magic;
|
|
struct tty_port port;
|
|
int baud_base;
|
|
int timeout;
|
|
int close_delay;
|
|
int custom_divisor;
|
|
int xmit_head;
|
|
int xmit_tail;
|
|
int xmit_cnt;
|
|
short wakeup_chars;
|
|
short break_length;
|
|
unsigned short closing_wait;
|
|
unsigned char mark_mask;
|
|
unsigned char IER;
|
|
unsigned char MSVR;
|
|
unsigned char COR2;
|
|
#ifdef RC_REPORT_OVERRUN
|
|
unsigned long overrun;
|
|
#endif
|
|
#ifdef RC_REPORT_FIFO
|
|
unsigned long hits[10];
|
|
#endif
|
|
};
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* __LINUX_RISCOM8_H */
|