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      1 /*	$NetBSD: video_subr.h,v 1.5 2008/04/28 20:23:48 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #define LEGAL_CLUT_INDEX(x)	((x) >= 0 && (x) <= 255)
     33 #define RGB24(r, g, b)		((((r) << 16) & 0x00ff0000) |		\
     34 				 (((g) << 8) & 0x0000ff00) |		\
     35 				 (((b)) & 0x000000ff))
     36 
     37 int cmap_work_alloc(u_int8_t **, u_int8_t **, u_int8_t **, u_int32_t **, int);
     38 void cmap_work_free(u_int8_t *, u_int8_t *, u_int8_t *, u_int32_t *);
     39 void rgb24_compose(u_int32_t *, u_int8_t *, u_int8_t *, u_int8_t *, int);
     40 void rgb24_decompose(u_int32_t *, u_int8_t *, u_int8_t *, u_int8_t *, int);
     41 
     42 /* debug function */
     43 struct video_chip;
     44 struct video_chip {
     45 	void *vc_v; /* CPU/chipset dependent goo */
     46 
     47 	vaddr_t vc_fbvaddr;
     48 	paddr_t vc_fbpaddr;
     49 	size_t vc_fbsize;
     50 	int vc_fbdepth;
     51 	int vc_fbwidth;
     52 	int vc_fbheight;
     53 	int vc_reverse;
     54 
     55 	void (*vc_drawline)(struct video_chip *, int, int, int, int);
     56 	void (*vc_drawdot)(struct video_chip *, int, int);
     57 };
     58 
     59 void video_attach_drawfunc(struct video_chip *);
     60 void video_line(struct video_chip *, int, int, int, int);
     61 void video_dot(struct video_chip *, int, int);
     62 void video_calibration_pattern(struct video_chip *);
     63 int video_reverse_color(void);
     64