Annotation of sys/dev/ic/cs4231reg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: cs4231reg.h,v 1.5 2001/10/01 03:21:10 jason Exp $ */
2: /* $NetBSD: cs4231reg.h,v 1.4 1996/02/16 08:12:33 mycroft Exp $ */
3:
4: /*-
5: * Copyright (c) 1996 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Ken Hornstein and John Kohl.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
31: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40: /*
41: * Register defs for Crystal Semiconductor CS4231 Audio Codec/mixer
42: * chip, used on Gravis UltraSound MAX cards.
43: *
44: * Block diagram:
45: * +----------------------------------------------------+
46: * | |
47: * | +----------------------------------------------+ |
48: * | |mixed in +-+ | |
49: * | +------------>--| | | |
50: * | mic in | | | |
51: * Mic --+-->| --------- GAIN ->-| | | |
52: * | | AUX 1 in |M| | |
53: * GF1 --)-->| -------------+-->-|U| | |
54: * | | Line in | |X|---- GAIN ----------+ | |
55: * Line --)-->| ---------+---)-->-| | | | |
56: * | | | | | | | | |
57: * | | | | +-+ ADC | |
58: * | | | | | | |
59: * | | | | | | |
60: * | | | +--- L/M --\ | | | AMP-->
61: * | | | \ | | | |
62: * | | | \ | | | |
63: * | | +---- L/M -------O-->--+--------)-------+-|--+-> line
64: * | | mono in /| | | |
65: * +---|-->------------ L/M -----/ | | | |
66: * | AUX 2 in | | | |
67: * CD --------|-->------------ L/M -------+ L/M | |
68: * | | v |
69: * | | | |
70: * | DAC | |
71: * | | | |
72: * +----------------------------------------------------+
73: * | |
74: * | |
75: * v v
76: * Pc BUS (DISK) ???
77: *
78: * Documentation for this chip can be found at:
79: * http://www.cirrus.com/products/overviews/cs4231.html
80: */
81:
82: /* CS4231/AD1845 mode2 registers; added to AD1848 registers */
83: #define CS_ALT_FEATURE1 0x10
84: #define CS_ALT_FEATURE2 0x11
85: #define CS_LEFT_LINE_CONTROL 0x12
86: #define CS_RIGHT_LINE_CONTROL 0x13
87: #define CS_TIMER_LOW 0x14
88: #define CS_TIMER_HIGH 0x15
89: #define CS_UPPER_FREQUENCY_SEL 0x16
90: #define CS_LOWER_FREQUENCY_SEL 0x17
91: #define CS_IRQ_STATUS 0x18
92: #define CS_VERSION_ID 0x19
93: #define CS_MONO_IO_CONTROL 0x1A
94: #define CS_POWERDOWN_CONTROL 0x1B
95: #define CS_REC_FORMAT 0x1C
96: #define CS_XTAL_SELECT 0x1D
97: #define CS_UPPER_REC_CNT 0x1E
98: #define CS_LOWER_REC_CNT 0x1F
99:
100: #define MONO_INPUT_ATTEN_BITS 0x0f
101: #define MONO_INPUT_ATTEN_MASK 0xf0
102: #define MONO_OUTPUT_MUTE 0x40
103: #define MONO_INPUT_MUTE 0x80
104: #define MONO_INPUT_MUTE_MASK 0x7f
105:
106: #define LINE_INPUT_ATTEN_BITS 0x1f
107: #define LINE_INPUT_ATTEN_MASK 0xe0
108: #define LINE_INPUT_MUTE 0x80
109: #define LINE_INPUT_MUTE_MASK 0x7f
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