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video_subr.h revision 1.3 
      1 /*	$NetBSD: video_subr.h,v 1.3 2005/02/27 00:26:59 perry 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  * 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 #define LEGAL_CLUT_INDEX(x)	((x) >= 0 && (x) <= 255)
     40 #define RGB24(r, g, b)		((((r) << 16) & 0x00ff0000) |		\
     41 				 (((g) << 8) & 0x0000ff00) |		\
     42 				 (((b)) & 0x000000ff))
     43 
     44 int cmap_work_alloc(u_int8_t **, u_int8_t **, u_int8_t **, u_int32_t **, int);
     45 void cmap_work_free(u_int8_t *, u_int8_t *, u_int8_t *, u_int32_t *);
     46 void rgb24_compose(u_int32_t *, u_int8_t *, u_int8_t *, u_int8_t *, int);
     47 void rgb24_decompose(u_int32_t *, u_int8_t *, u_int8_t *, u_int8_t *, int);
     48 
     49 /* debug function */
     50 struct video_chip;
     51 struct video_chip {
     52 	void *vc_v; /* CPU/chipset dependent goo */
     53 
     54 	vaddr_t vc_fbvaddr;
     55 	paddr_t vc_fbpaddr;
     56 	size_t vc_fbsize;
     57 	int vc_fbdepth;
     58 	int vc_fbwidth;
     59 	int vc_fbheight;
     60 	int vc_reverse;
     61 
     62 	void (*vc_drawline)(struct video_chip *, int, int, int, int);
     63 	void (*vc_drawdot)(struct video_chip *, int, int);
     64 };
     65 
     66 void video_attach_drawfunc(struct video_chip *);
     67 void video_line(struct video_chip *, int, int, int, int);
     68 void video_dot(struct video_chip *, int, int);
     69 void video_calibration_pattern(struct video_chip *);
     70 int video_reverse_color(void);
     71