xref: /netbsd/sys/dev/hpc/video_subr.h (revision 6550d01e)
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