cs4231reg.h revision 1.3 1 /* $NetBSD: cs4231reg.h,v 1.3 1996/02/05 02:18:48 jtc Exp $ */
2
3 /*-
4 * Copyright (c) 1996 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Ken Hornstein and John Kohl.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
30 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Register defs for Crystal Semiconductor CS4231 Audio Codec/mixer
41 * chip, used on Gravis UltraSound MAX cards.
42 *
43 * Block diagram:
44 * +----------------------------------------------------+
45 * | |
46 * | +----------------------------------------------+ |
47 * | |mixed in +-+ | |
48 * | +------------>--| | | |
49 * | mic in | | | |
50 * Mic --+-->| --------- GAIN ->-| | | |
51 * | | AUX 1 in |M| | |
52 * GF1 --)-->| -------------+-->-|U| | |
53 * | | Line in | |X|---- GAIN ----------+ | |
54 * Line --)-->| ---------+---)-->-| | | | |
55 * | | | | | | | | |
56 * | | | | +-+ ADC | |
57 * | | | | | | |
58 * | | | | | | |
59 * | | | +--- L/M --\ | | | AMP-->
60 * | | | \ | | | |
61 * | | | \ | | | |
62 * | | +---- L/M -------O-->--+--------)-------+-|--+-> line
63 * | | mono in /| | | |
64 * +---|-->------------ L/M -----/ | | | |
65 * | AUX 2 in | | | |
66 * CD --------|-->------------ L/M -------+ L/M | |
67 * | | v |
68 * | | | |
69 * | DAC | |
70 * | | | |
71 * +----------------------------------------------------+
72 * | |
73 * | |
74 * v v
75 * Pc BUS (DISK) ???
76 *
77 */
78
79
80 /*
81 * The CS4231 mixer is write-only--it cannot be queried for current
82 * settings. Drivers must keep track of current values themselves.
83 */
84
85 /* CS4231/AD1845 mode2 registers; added to AD1848 registers */
86 #define CS_ALT_FEATURE1 0x10
87 #define CS_ALT_FEATURE2 0x11
88 #define CS_LEFT_LINE_CONTROL 0x12
89 #define CS_RIGHT_LINE_CONTROL 0x13
90 #define CS_TIMER_LOW 0x14
91 #define CS_TIMER_HIGH 0x15
92 #define CS_UPPER_FREQUENCY_SEL 0x16
93 #define CS_LOWER_FREQUENCY_SEL 0x17
94 #define CS_IRQ_STATUS 0x18
95 #define CS_VERSION_ID 0x19
96 #define CS_MONO_IO_CONTROL 0x1A
97 #define CS_POWERDOWN_CONTROL 0x1B
98 #define CS_REC_FORMAT 0x1C
99 #define CS_XTAL_SELECT 0x1D
100 #define CS_UPPER_REC_CNT 0x1E
101 #define CS_LOWER_REC_CNT 0x1F
102
103 #define MONO_INPUT_ATTEN_BITS 0x0f
104 #define MONO_INPUT_ATTEN_MASK 0xf0
105 #define MONO_INPUT_MUTE 0x80
106 #define MONO_INPUT_MUTE_MASK 0x7f
107
108 #define LINE_INPUT_ATTEN_BITS 0x1f
109 #define LINE_INPUT_ATTEN_MASK 0xe0
110 #define LINE_INPUT_MUTE 0x80
111 #define LINE_INPUT_MUTE_MASK 0x7f
112