/* $NetBSD: bt431reg.h,v 1.3 2005/12/11 12:21:26 christos Exp $ */

/*
* Mach Operating System
* Copyright (c) 1991,1990,1989 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
*  Software Distribution Coordinator  or  [email protected]
*  School of Computer Science
*  Carnegie Mellon University
*  Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/

/*
* Register definitions for the Brooktree Bt431 Monolithic CMOS
* 64x64 Pixel Cursor Generator.
*/

#define BT431_REG_COMMAND       0x000
#define BT431_REG_CURSOR_X_LOW  0x001
#define BT431_REG_CURSOR_X_HIGH 0x002
#define BT431_REG_CURSOR_Y_LOW  0x003
#define BT431_REG_CURSOR_Y_HIGH 0x004
#define BT431_REG_WXLO          0x005
#define BT431_REG_WXHI          0x006
#define BT431_REG_WYLO          0x007
#define BT431_REG_WYHI          0x008
#define BT431_REG_WWLO          0x009
#define BT431_REG_WWHI          0x00a
#define BT431_REG_WHLO          0x00b
#define BT431_REG_WHHI          0x00c

#define BT431_REG_CRAM_BASE     0x000
#define BT431_REG_CRAM_END      0x1ff

#define BT431_CMD_CURS_ENABLE   0x40
#define BT431_CMD_XHAIR_ENABLE  0x20
#define BT431_CMD_OR_CURSORS    0x10
#define BT431_CMD_AND_CURSORS   0x00
#define BT431_CMD_1_1_MUX       0x00
#define BT431_CMD_4_1_MUX       0x04
#define BT431_CMD_5_1_MUX       0x08
#define BT431_CMD_xxx_MUX       0x0c
#define BT431_CMD_THICK_1       0x00
#define BT431_CMD_THICK_3       0x01
#define BT431_CMD_THICK_5       0x02
#define BT431_CMD_THICK_7       0x03

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