cs4231reg.h revision 1.1
1 /* $NetBSD: cs4231reg.h,v 1.1 1995/07/07 02:11:46 brezak Exp $ */ 2 /* 3 * Copyright (c) 1995 John T. Kohl 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 26 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 * 29 */ 30 31 /* 32 * Register defs for Crystal Semiconductor CS4231 Audio Codec/mixer 33 * chip, used on Gravis UltraSound MAX cards. 34 * 35 * Block diagram: 36 * +----------------------------------------------------+ 37 * | | 38 * | +----------------------------------------------+ | 39 * | |mixed in +-+ | | 40 * | +------------>--| | | | 41 * | mic in | | | | 42 * Mic --+-->| --------- GAIN ->-| | | | 43 * | | AUX 1 in |M| | | 44 * GF1 --)-->| -------------+-->-|U| | | 45 * | | Line in | |X|---- GAIN ----------+ | | 46 * Line --)-->| ---------+---)-->-| | | | | 47 * | | | | | | | | | 48 * | | | | +-+ ADC | | 49 * | | | | | | | 50 * | | | | | | | 51 * | | | +--- L/M --\ | | | AMP--> 52 * | | | \ | | | | 53 * | | | \ | | | | 54 * | | +---- L/M -------O-->--+--------)-------+-|--+-> line 55 * | | mono in /| | | | 56 * +---|-->------------ L/M -----/ | | | | 57 * | AUX 2 in | | | | 58 * CD --------|-->------------ L/M -------+ L/M | | 59 * | | v | 60 * | | | | 61 * | DAC | | 62 * | | | | 63 * +----------------------------------------------------+ 64 * | | 65 * | | 66 * v v 67 * Pc BUS (DISK) ??? 68 * 69 */ 70 71 72 /* 73 * The CS4231 mixer is write-only--it cannot be queried for current 74 * settings. Drivers must keep track of current values themselves. 75 */ 76 77 /* CS4231/AD1845 mode2 registers; added to AD1848 registers */ 78 #define CS_ALT_FEATURE1 0x10 79 #define CS_ALT_FEATURE2 0x11 80 #define CS_LEFT_LINE_CONTROL 0x12 81 #define CS_RIGHT_LINE_CONTROL 0x13 82 #define CS_TIMER_LOW 0x14 83 #define CS_TIMER_HIGH 0x15 84 #define CS_UPPER_FREQUENCY_SEL 0x16 85 #define CS_LOWER_FREQUENCY_SEL 0x17 86 #define CS_IRQ_STATUS 0x18 87 #define CS_VERSION_ID 0x19 88 #define CS_MONO_IO_CONTROL 0x1A 89 #define CS_POWERDOWN_CONTROL 0x1B 90 #define CS_REC_FORMAT 0x1C 91 #define CS_XTAL_SELECT 0x1D 92 #define CS_UPPER_REC_CNT 0x1E 93 #define CS_LOWER_REC_CNT 0x1F 94 95 #define MONO_INPUT_ATTEN_BITS 0x0f 96 #define MONO_INPUT_ATTEN_MASK 0xf0 97 #define MONO_INPUT_MUTE 0x80 98 #define MONO_INPUT_MUTE_MASK 0x7f 99 100 #define LINE_INPUT_ATTEN_BITS 0x1f 101 #define LINE_INPUT_ATTEN_MASK 0xe0 102 #define LINE_INPUT_MUTE 0x80 103 #define LINE_INPUT_MUTE_MASK 0x7f 104
Indexes created Fri Oct 17 17:09:57 GMT 2025