+/*-
+ * 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
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