2008-04-29 00:22:51 +04:00
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/* $NetBSD: lptvar.h,v 1.5 2008/04/28 20:23:54 martin Exp $ */
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2002-02-12 23:38:43 +03:00
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/*-
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* Copyright (c) 1999, 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Steve C. Woodford.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Common front-end for mvme68k/mvme88k parallel printer ports
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*/
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#ifndef __mvme_lptvar_h
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#define __mvme_lptvar_h
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#include <sys/callout.h>
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struct lpt_funcs;
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struct lpt_softc {
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2008-03-07 20:15:51 +03:00
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device_t sc_dev;
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2002-02-12 23:38:43 +03:00
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struct callout sc_wakeup_ch;
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struct lpt_funcs *sc_funcs;
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void *sc_arg;
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size_t sc_count;
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struct buf *sc_inbuf;
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u_char *sc_cp;
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int sc_spinmax;
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u_char sc_state;
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#define LPT_OPEN 0x01 /* device is open */
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#define LPT_OBUSY 0x02 /* printer is busy doing output */
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#define LPT_INIT 0x04 /* waiting to initialize for open */
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u_char sc_flags;
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#define LPT_FAST_STROBE 0x10 /* Select 1.6uS strobe pulse */
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#define LPT_AUTOLF 0x20 /* automatic LF on CR */
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#define LPT_NOPRIME 0x40 /* don't prime on open */
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#define LPT_NOINTR 0x80 /* do not use interrupt */
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/* Back-end specific stuff */
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bus_space_tag_t sc_bust;
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bus_space_handle_t sc_bush;
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int sc_ipl;
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u_char sc_icr;
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u_char sc_laststatus;
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struct evcnt sc_evcnt;
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};
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struct lpt_funcs {
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2005-02-04 05:10:35 +03:00
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void (*lf_open)(struct lpt_softc *, int);
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void (*lf_close)(struct lpt_softc *);
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void (*lf_iprime)(struct lpt_softc *);
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void (*lf_speed)(struct lpt_softc *, int);
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int (*lf_notrdy)(struct lpt_softc *, int);
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void (*lf_wrdata)(struct lpt_softc *, u_char);
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2002-02-12 23:38:43 +03:00
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};
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#define LPT_STROBE_FAST 0
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#define LPT_STROBE_SLOW 1
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2005-02-04 05:10:35 +03:00
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extern void lpt_attach_subr(struct lpt_softc *);
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extern int lpt_intr(struct lpt_softc *);
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2002-02-12 23:38:43 +03:00
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#endif /* __mvme_lptvar_h */
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