text: /* $NetBSD: ibm561reg.h,v 1.1 2001/12/12 07:46:48 elric Exp $ */
  /* $OpenBSD: ibm561reg.h,v 1.2 2008/06/26 05:42:15 ray Exp $ */
  
  /*-
   * Copyright (c) 2001 The NetBSD Foundation, Inc.
   * All rights reserved.
   *
   * This code is derived from software contributed to The NetBSD Foundation
   * by Roland C. Dowdeswell of Ponte, Inc.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
  #define IBM561_ADDR_LOW			0x00
  #define IBM561_ADDR_HIGH		0x01
  #define IBM561_CMD			0x02
  #define IBM561_CMD_FB_WAT		0x03
  #define IBM561_CMD_CMAP			0x03
  #define IBM561_CMD_GAMMA		0x03
  
  #define IBM561_CONFIG_REG1		0x0001
  #define IBM561_CONFIG_REG2		0x0002
  #define IBM561_CONFIG_REG3		0x0003
  #define IBM561_CONFIG_REG4		0x0004
  
  #define IBM561_SYNC_CNTL		0x0020
  #define IBM561_PLL_VCO_DIV		0x0021
  #define IBM561_PLL_REF_REG		0x0022
  #define IBM561_CURS_CNTL_REG		0x0030
  #define IBM561_HOTSPOT_REG		0x0034
  #define IBM561_VRAM_MASK_REG		0x0050
  #define IBM561_DIV_DOTCLCK		0x0082
  #define IBM561_FB_WINTYPE		0x1000
  #define IBM561_AUXFB_WINTYPE		0x0e00
  #define IBM561_OL_WINTYPE		0x1400
  #define IBM561_AUXOL_WINTYPE		0x0f00
  #define IBM561_CMAP_TABLE		0x4000
  #define IBM561_RED_GAMMA_TABLE		0x3000
  #define IBM561_GREEN_GAMMA_TABLE	0x3400
  #define IBM561_BLUE_GAMMA_TABLE		0x3800
  
  #define IBM561_CHROMAKEY0		0x0010
  #define IBM561_CHROMAKEY1		0x0011
  #define IBM561_CHROMAKEYMASK0		0x0012
  #define IBM561_CHROMAKEYMASK1		0x0013
  
  #define IBM561_WAT_SEG_REG		0x0006
  
  #define IBM561_NCMAP_ENTRIES		1024
  #define IBM561_NGAMMA_ENTRIES		256
  
  /* we actually have 1024 of them, but I am just
   * going define a few, so this is good.
   */
  #define IBM561_NWTYPES			16
  