Annotation of sys/dev/isa/madreg.h, Revision 1.1.1.1
1.1 nbrk 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
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