xref: /netbsd/sys/arch/hpcmips/tx/tx3912videovar.h (revision ce099b40)
1 /*	$NetBSD: tx3912videovar.h,v 1.7 2008/04/28 20:23:21 martin Exp $ */
2 
3 /*-
4  * Copyright (c) 1999, 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 int	tx3912video_init(paddr_t, paddr_t *);
33 
34 /*
35  * 8bpp CLUT
36  */
37 #define TX3912VIDEO_RGB24TOINDEX(rgb)					\
38 	((((((rgb) >> 16) & 0xff) >> 5) << 5) |				\
39 	 (((((rgb) >> 8) & 0xff) >> 5) << 2) |				\
40 	 ((((rgb) & 0xff) >> 6)))
41 
42 /* system color */
43 #define TX3912VIDEO_BLACK		TX3912VIDEO_RGB24TOINDEX(0x000000)
44 #define TX3912VIDEO_RED			TX3912VIDEO_RGB24TOINDEX(0xff0000)
45 #define TX3912VIDEO_GREEN		TX3912VIDEO_RGB24TOINDEX(0x00ff00)
46 #define TX3912VIDEO_YELLOW		TX3912VIDEO_RGB24TOINDEX(0xffff00)
47 #define TX3912VIDEO_BLUE		TX3912VIDEO_RGB24TOINDEX(0x0000ff)
48 #define TX3912VIDEO_MAGENTA		TX3912VIDEO_RGB24TOINDEX(0xff00ff)
49 #define TX3912VIDEO_CYAN		TX3912VIDEO_RGB24TOINDEX(0x00ffff)
50 #define TX3912VIDEO_WHITE		TX3912VIDEO_RGB24TOINDEX(0xffffff)
51 #define TX3912VIDEO_DARK_BLACK		TX3912VIDEO_RGB24TOINDEX(0x000000)
52 #define TX3912VIDEO_DARK_RED		TX3912VIDEO_RGB24TOINDEX(0x800000)
53 #define TX3912VIDEO_DARK_GREEN		TX3912VIDEO_RGB24TOINDEX(0x008000)
54 #define TX3912VIDEO_DARK_YELLOW		TX3912VIDEO_RGB24TOINDEX(0x808000)
55 #define TX3912VIDEO_DARK_BLUE		TX3912VIDEO_RGB24TOINDEX(0x000080)
56 #define TX3912VIDEO_DARK_MAGENTA	TX3912VIDEO_RGB24TOINDEX(0x800080)
57 #define TX3912VIDEO_DARK_CYAN		TX3912VIDEO_RGB24TOINDEX(0x008080)
58 #define TX3912VIDEO_DARK_WHITE		TX3912VIDEO_RGB24TOINDEX(0x808080)
59 
60 /*
61  * Y =  0.2990 * R + 0.5870 * G + 0.1140 * B
62  * U = -0.1690 * R - 0.3316 * G + 0.5000 * B
63  * V =  0.5000 * R - 0.4186 * G - 0.0813 * B
64  */
65 
66 /*
67  * debug functions.
68  */
69 void	tx3912video_calibration_pattern(void);
70 void	tx3912video_line(int, int, int, int);
71 void	tx3912video_dot(int, int);
72