79 lines
3.5 KiB
C
79 lines
3.5 KiB
C
/* $NetBSD: tx3912videovar.h,v 1.6 2001/06/14 11:09:55 uch Exp $ */
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/*-
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* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by UCHIYAMA Yasushi.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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int tx3912video_init(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(void);
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void tx3912video_line(int, int, int, int);
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void tx3912video_dot(int, int);
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