lptvar.h

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    1 /*      $NetBSD: lptvar.h,v 1.1 2002/02/12 20:38:45 scw Exp $   */
    2 
    3 /*-
    4  * Copyright (c) 1999, 2002 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Steve C. Woodford.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *      This product includes software developed by the NetBSD
   21  *      Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 /*
   40  * Common front-end for mvme68k/mvme88k parallel printer ports
   41  */
   42 
   43 #ifndef __mvme_lptvar_h
   44 #define __mvme_lptvar_h
   45 
   46 #include <sys/callout.h>
   47 
   48 struct lpt_funcs;
   49 
   50 
   51 struct lpt_softc {
   52         struct device           sc_dev;
   53         struct callout          sc_wakeup_ch;
   54         struct lpt_funcs        *sc_funcs;
   55         void                    *sc_arg;
   56         size_t                  sc_count;
   57         struct buf              *sc_inbuf;
   58         u_char                  *sc_cp;
   59         int                     sc_spinmax;
   60         u_char                  sc_state;
   61 #define LPT_OPEN        0x01    /* device is open */
   62 #define LPT_OBUSY       0x02    /* printer is busy doing output */
   63 #define LPT_INIT        0x04    /* waiting to initialize for open */
   64         u_char                  sc_flags;
   65 #define LPT_FAST_STROBE 0x10    /* Select 1.6uS strobe pulse */
   66 #define LPT_AUTOLF      0x20    /* automatic LF on CR */
   67 #define LPT_NOPRIME     0x40    /* don't prime on open */
   68 #define LPT_NOINTR      0x80    /* do not use interrupt */
   69 
   70         /* Back-end specific stuff */
   71         bus_space_tag_t         sc_bust;
   72         bus_space_handle_t      sc_bush;
   73         int                     sc_ipl;
   74         u_char                  sc_icr;
   75         u_char                  sc_laststatus;
   76         struct evcnt            sc_evcnt;
   77 };
   78 
   79 
   80 struct lpt_funcs {
   81         void    (*lf_open) __P((struct lpt_softc *, int));
   82         void    (*lf_close) __P((struct lpt_softc *));
   83         void    (*lf_iprime) __P((struct lpt_softc *));
   84         void    (*lf_speed) __P((struct lpt_softc *, int));
   85         int     (*lf_notrdy) __P((struct lpt_softc *, int));
   86         void    (*lf_wrdata) __P((struct lpt_softc *, u_char));
   87 };
   88 
   89 #define LPT_STROBE_FAST 0
   90 #define LPT_STROBE_SLOW 1
   91 
   92 extern  void    lpt_attach_subr __P((struct lpt_softc *));
   93 extern  int     lpt_intr        __P((struct lpt_softc *));
   94 
   95 #endif  /* __mvme_lptvar_h */

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FreeBSD/Linux Kernel Cross Reference sys/dev/mvme/lptvar.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/mvme/lptvar.h