NetBSD/sys/arch/mac68k/include/z8530var.h

111 lines
4.3 KiB
C

/* $NetBSD: z8530var.h,v 1.4 1996/10/13 03:21:32 christos Exp $ */
/*
* Copyright (c) 1994 Gordon W. Ross
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)zsvar.h 8.1 (Berkeley) 6/11/93
*/
#include <arch/mac68k/dev/z8530sc.h>
#include <arch/mac68k/dev/z8530tty.h>
/*
* Functions to read and write individual registers in a channel.
* The ZS chip requires a 1.6 uSec. recovery time between accesses,
* and the Sun3 hardware does NOT take care of this for you.
* MacII hardware DOES dake care of the delay for us. :-)
*/
u_char zs_read_reg __P((struct zs_chanstate *cs, u_char reg));
u_char zs_read_csr __P((struct zs_chanstate *cs));
u_char zs_read_data __P((struct zs_chanstate *cs));
void zs_write_reg __P((struct zs_chanstate *cs, u_char reg, u_char val));
void zs_write_csr __P((struct zs_chanstate *cs, u_char val));
void zs_write_data __P((struct zs_chanstate *cs, u_char val));
/*
* abort detection on console will now timeout after iterating on a loop
* the following # of times. Cheep hack. Also, abort detection is turned
* off after a timeout (i.e. maybe there's not a terminal hooked up).
*/
#define ZSABORT_DELAY 3000000
/*
* How to request a "soft" interrupt.
* This could be a macro if you like.
*/
void zsc_req_softint __P((struct zsc_softc *zsc));
/* Handle user request to enter kernel debugger. */
void zs_abort __P((struct zstty_softc *zst));
/* Hook for MD ioctl support */
int zsmdioctl __P((struct tty *tp, u_long com, caddr_t data, int flag,
struct proc *p));
/* Clean up at end of tty attach */
void zstty_mdattach __P((struct zsc_softc *zsc, struct zstty_softc *zst,
struct zs_chanstate *cs, struct tty *tp));
/* Callback for "external" clock sources */
void zsmd_setclock __P((struct zs_chanstate *cs));
/*
* Some warts needed by z8530tty.c -
*/
#define ZSTTY_MAJOR 12 /* XXX */
#undef ZSTTY_DEF_CFLAG
#define ZSTTY_DEF_CFLAG (CREAD | CS8 | HUPCL)
#define ZSTTY_RAW_CFLAG (CS8 | CREAD | HUPCL )
#define ZSTTY_RAW_IFLAG (IXANY | IMAXBEL)
#define ZSTTY_RAW_LFLAG (ECHOE|ECHOKE|ECHOCTL)
#define ZSTTY_RAW_OFLAG (ONLCR | OXTABS)
/* Above taken from looking at a tty after a stty raw */
/* Booter flags interface */
#define ZSMAC_RAW 0x01
#define ZSMAC_LOCALTALK 0x02
#define zsprintf printf