madreg.h revision 1.5
1/*	$NetBSD: madreg.h,v 1.5 1998/12/08 14:26:57 augustss Exp $	*/
2/*
3 * Copyright (c) 1996 Lennart Augustsson
4 * Copyright (c) 1995 Hannu Savolainen
5 * Copyright (c) 1991-1993 Regents of the University of California.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the Computer Systems
19 *	Engineering Group at Lawrence Berkeley Laboratory.
20 * 4. Neither the name of the University nor of the Laboratory may be used
21 *    to endorse or promote products derived from this software without
22 *    specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 */
37
38/*
39 * Variations of the suppored chips.
40 */
41
42#define MAD_NONE	0
43#define MAD_82C928	1		/* OPTi 82C928     MAD16 */
44#define MAD_OTI601D	2		/* OAK OTI-601D    Mozart */
45#define MAD_82C929	3		/* OPTi 82C929     MAD16 Pro */
46#define MAD_82C931	4		/* OPTi 82C831     */
47
48/*
49 *    Registers
50 *
51 *      The MAD16 occupies I/O ports 0xf8d to 0xf93 (fixed locations).
52 *      All ports are inactive by default. They can be activated by
53 *      writing 0xE2 or 0xE3 to the password register. The password is valid
54 *      only until the next I/O read or write.
55 */
56
57#define MAD_BASE	0xf8d
58#define MAD_NPORT	7
59
60#define MC1_PORT	0	/* SB address, CDROM interface type, joystick */
61#define MC2_PORT	1	/* CDROM address, IRQ, DMA, plus OPL4 bit */
62#define MC3_PORT	2
63#define MC_PASSWD_REG	MC3_PORT
64#define MC4_PORT	3
65#define MC5_PORT	4
66#define MC6_PORT	5
67#define MC7_PORT	6
68
69#define MC1_NOCD	0x00
70#define MC1_JOYDISABLE	0x01
71#define MC1_SONY	0x02
72#define MC1_MITSUMI	0x04
73#define MC1_PANASONIC	0x06
74#define MC1_SECIDE	0x08
75#define MC1_PRIMIDE	0x0a
76
77#define MC2_NO_CD_DRQ	0x03
78#define MC2_OPL4	0x20
79
80/* Possible WSS emulation ports */
81#define M_WSS_PORT0 0x530
82#define M_WSS_PORT1 0xe80
83#define M_WSS_PORT2 0xf40
84#define M_WSS_PORT3 0x604
85#define M_WSS_NPORTS 4
86
87/* Port 1 */
88#define M_WSS_PORT_SELECT(i) (0x80 | ((i) << 4))
89
90#define M_PASSWD_928	0xe2
91#define M_PASSWD_929	0xe3
92#define M_PASSWD_931	0xe4
93
94/* Regions of I/O space that the MAD occupies besides
95   WSS emulation and MAD_BASE.  Talk about waste. */
96#define MAD_REG1 0x220
97#define MAD_LEN1 16
98#define MAD_REG2 0x380
99#define MAD_LEN2 2
100#define MAD_REG3 0x388
101#define MAD_LEN3 4
102