xref: /netbsd/sys/dev/isa/madreg.h (revision bf9ec67e)
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