/* $NetBSD: z8530var.h,v 1.5 1996/10/13 03:47:44 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 /* * 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. * The delay is now handled inside the chip access functions. * These could be inlines, but with the delay, speed is moot. */ 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)); /* * 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((void)); /* * Some warts needed by z8530tty.c - * The default parity REALLY needs to be the same as the PROM uses, * or you can not see messages done with printf during boot-up... */ #define ZSTTY_MAJOR 12 /* XXX */ #define ZSTTY_DEF_CFLAG (CREAD | CS8 | HUPCL)