sys/arch/sun3/dev/fbvar.h

   1 /*      $NetBSD: fbvar.h,v 1.12 2007/03/04 06:00:53 christos Exp $      */
   2
   3 /*
   4  * Copyright (c) 1992, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This software was developed by the Computer Systems Engineering group
   8  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
   9  * contributed to Berkeley.
  10  *
  11  * All advertising materials mentioning features or use of this software
  12  * must display the following acknowledgement:
  13  *      This product includes software developed by the University of
  14  *      California, Lawrence Berkeley Laboratory.
  15  *
  16  * Redistribution and use in source and binary forms, with or without
  17  * modification, are permitted provided that the following conditions
  18  * are met:
  19  * 1. Redistributions of source code must retain the above copyright
  20  *    notice, this list of conditions and the following disclaimer.
  21  * 2. Redistributions in binary form must reproduce the above copyright
  22  *    notice, this list of conditions and the following disclaimer in the
  23  *    documentation and/or other materials provided with the distribution.
  24  * 3. Neither the name of the University nor the names of its contributors
  25  *    may be used to endorse or promote products derived from this software
  26  *    without specific prior written permission.
  27  *
  28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  38  * SUCH DAMAGE.
  39  *
  40  *      @(#)fbvar.h     8.1 (Berkeley) 6/11/93
  41  */
  42
  43 #include <sys/event.h>          /* for struct knote */
  44
  45 /*
  46  * Frame buffer variables.  All frame buffer drivers must provide the
  47  * following in order to participate.
  48  */
  49
  50 struct fbcmap;
  51
  52 struct fbdevice {
  53         struct  fbtype fb_fbtype;       /* see fbio.h */
  54         struct  fbdriver *fb_driver;    /* pointer to driver */
  55         void *fb_private;               /* for fb driver use */
  56         const char *fb_name;            /* i.e. sc_dev->dv_xname */
  57
  58         void *  fb_pixels;              /* display RAM */
  59         int     fb_linebytes;           /* bytes per display line */
  60
  61         int     fb_flags;               /* copy of cf_flags */
  62
  63         /* This points to the P4 register if the FB has one. */
  64         volatile uint32_t *fb_pfour;
  65
  66         /*
  67          * XXX - The "Raster console" stuff could be stored
  68          * in the driver specific structure at fb_private
  69          * if needed.
  70          */
  71 };
  72
  73 struct fbdriver {
  74         /* These avoid the need to know our major number. */
  75         int     (*fbd_open)(dev_t, int, int, struct lwp *);
  76         int     (*fbd_close)(dev_t, int, int, struct lwp *);
  77         paddr_t (*fbd_mmap)(dev_t, off_t, int);
  78         int     (*fbd_kqfilter)(dev_t, struct knote *);
  79         /* These are the internal ioctl functions */
  80         int     (*fbd_gattr)(struct fbdevice *,  void *);
  81         int     (*fbd_gvideo)(struct fbdevice *, void *);
  82         int     (*fbd_svideo)(struct fbdevice *, void *);
  83         int     (*fbd_getcmap)(struct fbdevice *, void *);
  84         int     (*fbd_putcmap)(struct fbdevice *, void *);
  85 };
  86
  87 int     fbioctlfb(struct fbdevice *, u_long, void *);
  88
  89 void    fb_attach(struct fbdevice *, int);
  90 int     fb_noioctl(struct fbdevice *, void *);
  91
  92 void    fb_eeprom_setsize (struct fbdevice *);
  93
  94 int     fb_pfour_id(void *);
  95 int     fb_pfour_get_video(struct fbdevice *);
  96 void    fb_pfour_set_video(struct fbdevice *, int);
  97
  98 void    fb_pfour_setsize(struct fbdevice *);
  99
 100 /* This comes from enable.c */
 101 void    enable_video(int);