sun3/include/z8530var.h

1.2  gwr /*	$NetBSD: z8530var.h,v 1.2 1996/01/24 22:40:48 gwr Exp $	*/
1.2  gwr
1.2  gwr /*
1.2  gwr  * Copyright (c) 1994 Gordon W. Ross
1.2  gwr  * Copyright (c) 1992, 1993
1.2  gwr  *	The Regents of the University of California.  All rights reserved.
1.2  gwr  *
1.2  gwr  * This software was developed by the Computer Systems Engineering group
1.2  gwr  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
1.2  gwr  * contributed to Berkeley.
1.2  gwr  *
1.2  gwr  * All advertising materials mentioning features or use of this software
1.2  gwr  * must display the following acknowledgement:
1.2  gwr  *	This product includes software developed by the University of
1.2  gwr  *	California, Lawrence Berkeley Laboratory.
1.2  gwr  *
1.2  gwr  * Redistribution and use in source and binary forms, with or without
1.2  gwr  * modification, are permitted provided that the following conditions
1.2  gwr  * are met:
1.2  gwr  * 1. Redistributions of source code must retain the above copyright
1.2  gwr  *    notice, this list of conditions and the following disclaimer.
1.2  gwr  * 2. Redistributions in binary form must reproduce the above copyright
1.2  gwr  *    notice, this list of conditions and the following disclaimer in the
1.2  gwr  *    documentation and/or other materials provided with the distribution.
1.2  gwr  * 3. All advertising materials mentioning features or use of this software
1.2  gwr  *    must display the following acknowledgement:
1.2  gwr  *	This product includes software developed by the University of
1.2  gwr  *	California, Berkeley and its contributors.
1.2  gwr  * 4. Neither the name of the University nor the names of its contributors
1.2  gwr  *    may be used to endorse or promote products derived from this software
1.2  gwr  *    without specific prior written permission.
1.2  gwr  *
1.2  gwr  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
1.2  gwr  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.2  gwr  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.2  gwr  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
1.2  gwr  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.2  gwr  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.2  gwr  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.2  gwr  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.2  gwr  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.2  gwr  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.2  gwr  * SUCH DAMAGE.
1.2  gwr  *
1.2  gwr  *	@(#)zsvar.h	8.1 (Berkeley) 6/11/93
1.2  gwr  */
1.2  gwr
1.2  gwr #include <dev/ic/z8530sc.h>
1.2  gwr
1.2  gwr /*
1.2  gwr  * Macros to read and write individual registers (except 0) in a channel.
1.2  gwr  * The ZS chip requires a 1.6 uSec. recovery time between accesses, and
1.2  gwr  * the Sun3 hardware does NOT take care of this for you.
1.2  gwr  */
1.2  gwr #define	ZS_READ(c, r)		zs_read_reg(c, r)
1.2  gwr #define	ZS_WRITE(c, r, v)	zs_write_reg(c, r, v)
1.2  gwr #define ZS_DELAY()			delay2us()
1.2  gwr
1.2  gwr u_char zs_read_reg __P((struct zs_chanstate *zc, u_char reg));
1.2  gwr void  zs_write_reg __P((struct zs_chanstate *zc, u_char reg, u_char val));
1.2  gwr
1.2  gwr /*
1.2  gwr  * How to request a "soft" interrupt.
1.2  gwr  * This could be a macro if you like.
1.2  gwr  */
1.2  gwr void zsc_req_softint __P((struct zsc_softc *zsc));
1.2  gwr
1.2  gwr /* Handle user request to enter kernel debugger. */
1.2  gwr void zs_abort();
1.2  gwr
1.2  gwr /*
1.2  gwr  * Some warts needed by z8530tty.c -
1.2  gwr  * The default parity REALLY needs to be the same as the PROM uses,
1.2  gwr  * or you can not see messages done with printf during boot-up...
1.2  gwr  */
1.2  gwr #define	ZSTTY_MAJOR 	12		/* XXX */
1.2  gwr #define	ZSTTY_DEF_CFLAG 	(CREAD | CS8 | HUPCL)