/* $NetBSD: lptvar.h,v 1.5 2008/04/28 20:23:54 martin Exp $ */
/*-
* Copyright (c) 1999, 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Steve C. Woodford.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Common front-end for mvme68k/mvme88k parallel printer ports
*/
#ifndef __mvme_lptvar_h
#define __mvme_lptvar_h
#include <sys/callout.h>
struct lpt_funcs;
struct lpt_softc {
device_t sc_dev;
struct callout sc_wakeup_ch;
struct lpt_funcs *sc_funcs;
void *sc_arg;
size_t sc_count;
struct buf *sc_inbuf;
u_char *sc_cp;
int sc_spinmax;
u_char sc_state;
#define LPT_OPEN 0x01 /* device is open */
#define LPT_OBUSY 0x02 /* printer is busy doing output */
#define LPT_INIT 0x04 /* waiting to initialize for open */
u_char sc_flags;
#define LPT_FAST_STROBE 0x10 /* Select 1.6uS strobe pulse */
#define LPT_AUTOLF 0x20 /* automatic LF on CR */
#define LPT_NOPRIME 0x40 /* don't prime on open */
#define LPT_NOINTR 0x80 /* do not use interrupt */
/* Back-end specific stuff */
bus_space_tag_t sc_bust;
bus_space_handle_t sc_bush;
int sc_ipl;
u_char sc_icr;
u_char sc_laststatus;
struct evcnt sc_evcnt;
};
