1 /*        $NetBSD: madreg.h,v 1.6 2022/11/02 20:38:22 andvar 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 supported 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