madreg.h revision 1.1 
1/*
2 * Copyright (c) 1996 Lennart Augustsson
3 * Copyright (c) 1995 Hannu Savolainen
4 * Copyright (c) 1991-1993 Regents of the University of California.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by the Computer Systems
18 *	Engineering Group at Lawrence Berkeley Laboratory.
19 * 4. Neither the name of the University nor of the Laboratory may be used
20 *    to endorse or promote products derived from this software without
21 *    specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 */
36
37/*
38 * Variations of the suppored chips.
39 */
40
41#define MAD_NONE	0
42#define MAD_82C928	1		/* OPTi 82C928     MAD16 */
43#define MAD_OTI601D	2		/* OAK OTI-601D    Mozart */
44#define MAD_82C929	3		/* OPTi 82C929     MAD16 Pro */
45
46/*
47 *    Registers
48 *
49 *      The MAD16 occupies I/O ports 0xf8d to 0xf93 (fixed locations).
50 *      All ports are inactive by default. They can be activated by
51 *      writing 0xE2 or 0xE3 to the password register. The password is valid
52 *      only until the next I/O read or write.
53 */
54
55#define MAD_BASE	0xf8d
56#define MAD_NPORT	7
57
58#define MC1_PORT	0	/* SB address, CDROM interface type, joystick */
59#define MC2_PORT	1	/* CDROM address, IRQ, DMA, plus OPL4 bit */
60#define MC3_PORT	2
61#define MC_PASSWD_REG	MC3_PORT
62#define MC4_PORT	3
63#define MC5_PORT	4
64#define MC6_PORT	5
65#define MC7_PORT	6
66
67#define MC1_NOCD	0x00
68#define MC1_JOYDISABLE	0x01
69#define MC1_SONY	0x02
70#define MC1_MITSUMI	0x04
71#define MC1_PANASONIC	0x06
72#define MC1_SECIDE	0x08
73#define MC1_PRIMIDE	0x0a
74
75#define MC2_CDDISABLE	0x03
76#define MC2_OPL4	0x20
77
78/* Possible WSS emulation ports */
79#define M_WSS_PORT0 0x530
80#define M_WSS_PORT1 0xe80
81#define M_WSS_PORT2 0xf40
82#define M_WSS_PORT3 0x604
83#define M_WSS_NPORTS 4
84
85/* Port 1 */
86#define M_WSS_PORT_SELECT(i) (0x80 | ((i) << 4))
87
88#define M_PASSWD_928	0xe2
89#define M_PASSWD_929	0xe3
90