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      1 /*	$NetBSD: video.h,v 1.3 2008/04/28 20:23:27 martin 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_ */
     60