sys/arch/mac68k/include/video.h

   1 /*      $NetBSD: video.h,v 1.2 2007/08/29 16:09:32 jmmv Exp $   */
   2 /*
   3  * Copyright (c) 2007 The NetBSD Foundation, Inc.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  16  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  17  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
  20  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  22  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  24  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #ifndef _CPU_VIDEO_H_
  30 #define _CPU_VIDEO_H_
  31
  32 #include <sys/types.h>
  33
  34 struct mac68k_video {
  35         /* From Booter via locore */
  36         vaddr_t mv_kvaddr;      /* Address used in kernel for video */
  37         size_t mv_stride;       /* Length of row in video RAM */
  38         size_t mv_depth;        /* Number of bits per pixel */
  39         size_t mv_width;        /* Framebuffer width */
  40         size_t mv_height;       /* Framebuffer height */
  41
  42         /*
  43          * Values for IIvx-like internal video
  44          * -- should be zero if it is not used (usual case).
  45          *
  46          * XXX This doesn't seem to hold true nowadays.  It seems that
  47          * these fields are accessed from many places and they are
  48          * non-zero of machines with non-internal video.  They should also
  49          * have better names to clarify, e.g, why we need mv_log and
  50          * mv_kvaddr (do we need to have these two?) -- jmmv 20070829
  51          */
  52         vaddr_t mv_log;         /* logical addr */
  53         paddr_t mv_phys;        /* physical addr */
  54         size_t mv_len;          /* mem length */
  55 };
  56
  57 extern struct mac68k_video mac68k_video;
  58
  59 #endif /* _CPU_VIDEO_H_ */