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      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