1/*	$NetBSD: pfourreg.h,v 1.3 2005/12/11 12:23:56 christos Exp $	*/
2
3/*-
4 * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
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/*
33 * Copyright (c) 1995 Theo de Raadt
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 *    notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 *    notice, this list of conditions and the following disclaimer in the
43 *    documentation and/or other materials provided with the distribution.
44 *
45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
46 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
47 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
48 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
49 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
50 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
51 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
52 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
53 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
54 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
55 */
56
57/*
58 * pfour framebuffer registers.
59 */
60
61/* Offset of bwtwo framebuffer from pfour register */
62#define PFOUR_BW_OFF		0x00100000
63
64/* Offsets for color framebuffers */
65#define PFOUR_COLOR_OFF_OVERLAY	0x00100000
66#define PFOUR_COLOR_OFF_ENABLE	0x00300000
67#define PFOUR_COLOR_OFF_COLOR	0x00500000
68#define PFOUR_COLOR_OFF_END	0x00700000
69#define PFOUR_COLOR_OFF_CMAP	0xfff00000	/* (-0x00100000) */
70
71#define PFOUR_REG_DIAG		0x80
72#define PFOUR_REG_READBACKCLR	0x40
73#define PFOUR_REG_VIDEO		0x20
74#define PFOUR_REG_SYNC		0x10
75#define PFOUR_REG_VTRACE	0x08
76#define PFOUR_REG_INT		0x04
77#define PFOUR_REG_INTCLR	0x04
78#define PFOUR_REG_INTEN		0x02
79#define PFOUR_REG_FIRSTHALF	0x01
80#define PFOUR_REG_RESET		0x01
81
82#define PFOUR_FBTYPE_MASK	0x7f000000
83#define	PFOUR_FBTYPE(x)		((x) >> 24)
84
85#define	PFOUR_ID_MASK		0xf0
86#define PFOUR_ID(x)		(PFOUR_FBTYPE((x)) == PFOUR_ID_COLOR24 ? \
87				    PFOUR_ID_COLOR24 : \
88				    PFOUR_FBTYPE((x)) & PFOUR_ID_MASK)
89#define PFOUR_ID_BW		0x00	/* monochrome */
90#define PFOUR_ID_FASTCOLOR	0x60	/* accelerated 8-bit color */
91#define PFOUR_ID_COLOR8P1	0x40	/* 8-bit color + overlay */
92#define PFOUR_ID_COLOR24	0x45	/* 24-bit color + overlay */
93
94#define PFOUR_SIZE_MASK		0x0f
95#define PFOUR_SIZE(x)		(PFOUR_FBTYPE((x)) & PFOUR_SIZE_MASK)
96#define PFOUR_SIZE_1152X900	0x01
97#define PFOUR_SIZE_1024X1024	0x02
98#define PFOUR_SIZE_1280X1024	0x03
99#define PFOUR_SIZE_1600X1280	0x00
100#define PFOUR_SIZE_1440X1440	0x04
101#define PFOUR_SIZE_640X480	0x05
102
103#define PFOUR_NOTPFOUR		-1
104