usr/src/sys/pmax/dev/cfbreg.h

/*-
 * Copyright (c) 1992 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Ralph Campbell.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)cfbreg.h    7.1 (Berkeley) %G%
 */

/*
 * 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
 * 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  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */

/*
 * HISTORY
 * $Log:        bt459.h,v $
 * Revision 2.4  91/02/05  17:39:43  mrt
 *      Added author notices
 *      [91/02/04  11:11:57  mrt]
 *
 *      Changed to use new Mach copyright
 *      [91/02/02  12:09:39  mrt]
 *
 * Revision 2.3  90/12/05  23:30:26  af
 *      Cursor color register are supported, contrary to specs.
 *      [90/12/03  23:07:22  af]
 *
 * Revision 2.1.1.1  90/11/01  03:36:40  af
 *      Created, from Brooktree specs:
 *      "Product Databook 1989"
 *      "Bt459 135 MHz Monolithic CMOS 256x64 Color Palette RAMDAC"
 *      Brooktree Corp. San Diego, CA
 *      LA59001 Rev. J
 *      [90/09/03            af]
 */

/*
 *      File: bt459.h
 *      Author: Alessandro Forin, Carnegie Mellon University
 *      Date:   9/90
 *
 *      Defines for the bt459 Cursor/RAMDAC chip
 */

typedef struct {
        unsigned char   addr_lo;
        char                                            pad0[3];
        unsigned char   addr_hi;
        char                                            pad1[3];
        unsigned char   addr_reg;
        char                                            pad2[3];
        unsigned char   addr_cmap;
        char                                            pad3[3];
} bt459_regmap_t;

/*
 * Additional registers addressed indirectly
 */

                                /* 0000-00ff Color Map entries */
                                /* 0100-010f Overlay color regs, unsupp */
#define BT459_REG_CCOLOR_1      0x0181  /* Cursor color regs */
#define BT459_REG_CCOLOR_2      0x0182
#define BT459_REG_CCOLOR_3      0x0183
#define BT459_REG_ID            0x0200  /* read-only, gives "4a" */
#define BT459_REG_CMD0          0x0201
#define BT459_REG_CMD1          0x0202
#define BT459_REG_CMD2          0x0203
#define BT459_REG_PRM           0x0204
                                /* 0205 reserved */
#define BT459_REG_PBM           0x0206
                                /* 0207 reserved */
#define BT459_REG_ORM           0x0208
#define BT459_REG_OBM           0x0209
#define BT459_REG_ILV           0x020a
#define BT459_REG_TEST          0x020b
#define BT459_REG_RSIG          0x020c
#define BT459_REG_GSIG          0x020d
#define BT459_REG_BSIG          0x020e
                                /* 020f-02ff reserved */
#define BT459_REG_CCR           0x0300
#define BT459_REG_CXLO          0x0301
#define BT459_REG_CXHI          0x0302
#define BT459_REG_CYLO          0x0303
#define BT459_REG_CYHI          0x0304
#define BT459_REG_WXLO          0x0305
#define BT459_REG_WXHI          0x0306
#define BT459_REG_WYLO          0x0307
#define BT459_REG_WYHI          0x0308
#define BT459_REG_WWLO          0x0309
#define BT459_REG_WWHI          0x030a
#define BT459_REG_WHLO          0x030b
#define BT459_REG_WHHI          0x030c
                                /* 030d-03ff reserved */
#define BT459_REG_CRAM_BASE     0x0400
#define BT459_REG_CRAM_END      0x07ff