69 lines
3.1 KiB
C
69 lines
3.1 KiB
C
/* $NetBSD: tx3912videovar.h,v 1.5 2000/05/08 21:57:58 uch Exp $ */
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/*-
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* Copyright (c) 1999, 2000 UCHIYAMA Yasushi. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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int tx3912video_init __P((paddr_t, paddr_t *));
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/*
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* 8bpp CLUT
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*/
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#define TX3912VIDEO_RGB24TOINDEX(rgb) \
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((((((rgb) >> 16) & 0xff) >> 5) << 5) | \
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(((((rgb) >> 8) & 0xff) >> 5) << 2) | \
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((((rgb) & 0xff) >> 6)))
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/* system color */
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#define TX3912VIDEO_BLACK TX3912VIDEO_RGB24TOINDEX(0x000000)
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#define TX3912VIDEO_RED TX3912VIDEO_RGB24TOINDEX(0xff0000)
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#define TX3912VIDEO_GREEN TX3912VIDEO_RGB24TOINDEX(0x00ff00)
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#define TX3912VIDEO_YELLOW TX3912VIDEO_RGB24TOINDEX(0xffff00)
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#define TX3912VIDEO_BLUE TX3912VIDEO_RGB24TOINDEX(0x0000ff)
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#define TX3912VIDEO_MAGENTA TX3912VIDEO_RGB24TOINDEX(0xff00ff)
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#define TX3912VIDEO_CYAN TX3912VIDEO_RGB24TOINDEX(0x00ffff)
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#define TX3912VIDEO_WHITE TX3912VIDEO_RGB24TOINDEX(0xffffff)
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#define TX3912VIDEO_DARK_BLACK TX3912VIDEO_RGB24TOINDEX(0x000000)
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#define TX3912VIDEO_DARK_RED TX3912VIDEO_RGB24TOINDEX(0x800000)
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#define TX3912VIDEO_DARK_GREEN TX3912VIDEO_RGB24TOINDEX(0x008000)
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#define TX3912VIDEO_DARK_YELLOW TX3912VIDEO_RGB24TOINDEX(0x808000)
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#define TX3912VIDEO_DARK_BLUE TX3912VIDEO_RGB24TOINDEX(0x000080)
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#define TX3912VIDEO_DARK_MAGENTA TX3912VIDEO_RGB24TOINDEX(0x800080)
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#define TX3912VIDEO_DARK_CYAN TX3912VIDEO_RGB24TOINDEX(0x008080)
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#define TX3912VIDEO_DARK_WHITE TX3912VIDEO_RGB24TOINDEX(0x808080)
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/*
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* Y = 0.2990 * R + 0.5870 * G + 0.1140 * B
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* U = -0.1690 * R - 0.3316 * G + 0.5000 * B
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* V = 0.5000 * R - 0.4186 * G - 0.0813 * B
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*/
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/*
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* debug functions.
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*/
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void tx3912video_calibration_pattern __P((void));
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void tx3912video_line __P((int, int, int, int));
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void tx3912video_dot __P((int, int));
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