1 /* $OpenBSD: madreg.h,v 1.1 1998/04/26 21:02:37 provos Exp $ */
2 /* $NetBSD: madreg.h,v 1.4 1998/01/19 22:18:27 augustss Exp $ */
3 /*
4 * Copyright (c) 1996 Lennart Augustsson
5 * Copyright (c) 1995 Hannu Savolainen
6 * Copyright (c) 1991-1993 Regents of the University of California.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the Computer Systems
20 * Engineering Group at Lawrence Berkeley Laboratory.
21 * 4. Neither the name of the University nor of the Laboratory may be used
22 * to endorse or promote products derived from this software without
23 * specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 */
38
39 /*
40 * Variations of the suppored chips.
41 */
42
43 #define MAD_NONE 0
44 #define MAD_82C928 1 /* OPTi 82C928 MAD16 */
45 #define MAD_OTI601D 2 /* OAK OTI-601D Mozart */
46 #define MAD_82C929 3 /* OPTi 82C929 MAD16 Pro */
47 #define MAD_82C931 4 /* OPTi 82C831 */
48
49 /*
50 * Registers
51 *
52 * The MAD16 occupies I/O ports 0xf8d to 0xf93 (fixed locations).
53 * All ports are inactive by default. They can be activated by
54 * writing 0xE2 or 0xE3 to the password register. The password is valid
55 * only until the next I/O read or write.
56 */
57
58 #define MAD_BASE 0xf8d
59 #define MAD_NPORT 7
60
61 #define MC1_PORT 0 /* SB address, CDROM interface type, joystick */
62 #define MC2_PORT 1 /* CDROM address, IRQ, DMA, plus OPL4 bit */
63 #define MC3_PORT 2
64 #define MC_PASSWD_REG MC3_PORT
65 #define MC4_PORT 3
66 #define MC5_PORT 4
67 #define MC6_PORT 5
68 #define MC7_PORT 6
69
70 #define MC1_NOCD 0x00
71 #define MC1_JOYDISABLE 0x01
72 #define MC1_SONY 0x02
73 #define MC1_MITSUMI 0x04
74 #define MC1_PANASONIC 0x06
75 #define MC1_SECIDE 0x08
76 #define MC1_PRIMIDE 0x0a
77
78 #define MC2_CDDISABLE 0x03
79 #define MC2_OPL4 0x20
80
81 /* Possible WSS emulation ports */
82 #define M_WSS_PORT0 0x530
83 #define M_WSS_PORT1 0xe80
84 #define M_WSS_PORT2 0xf40
85 #define M_WSS_PORT3 0x604
86 #define M_WSS_NPORTS 4
87
88 /* Port 1 */
89 #define M_WSS_PORT_SELECT(i) (0x80 | ((i) << 4))
90
91 #define M_PASSWD_928 0xe2
92 #define M_PASSWD_929 0xe3
93 #define M_PASSWD_931 0xe4
94
95 /* Regions of I/O space that the MAD occupies besides
96 WSS emulation and MAD_BASE. Talk about waste. */
97 #define MAD_REG1 0x220
98 #define MAD_LEN1 16
99 #define MAD_REG2 0x380
100 #define MAD_LEN2 2
101 #define MAD_REG3 0x388
102 #define MAD_LEN3 4