1 /* $NetBSD: cs4231reg.h,v 1.5 1997/10/09 08:03:42 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 FOUNDATION OR CONTRIBUTORS 30 * BE 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 /* CS4231/AD1845 mode2 registers; added to AD1848 registers */ 80 #define CS_ALT_FEATURE1 0x10 81 #define CS_ALT_FEATURE2 0x11 82 #define CS_LEFT_LINE_CONTROL 0x12 83 #define CS_RIGHT_LINE_CONTROL 0x13 84 #define CS_TIMER_LOW 0x14 85 #define CS_TIMER_HIGH 0x15 86 #define CS_UPPER_FREQUENCY_SEL 0x16 87 #define CS_LOWER_FREQUENCY_SEL 0x17 88 #define CS_IRQ_STATUS 0x18 89 #define CS_VERSION_ID 0x19 90 #define CS_MONO_IO_CONTROL 0x1A 91 #define CS_POWERDOWN_CONTROL 0x1B 92 #define CS_REC_FORMAT 0x1C 93 #define CS_XTAL_SELECT 0x1D 94 #define CS_UPPER_REC_CNT 0x1E 95 #define CS_LOWER_REC_CNT 0x1F 96 97 #define MONO_INPUT_ATTEN_BITS 0x0f 98 #define MONO_INPUT_ATTEN_MASK 0xf0 99 #define MONO_INPUT_MUTE 0x80 100 #define MONO_INPUT_MUTE_MASK 0x7f 101 102 #define LINE_INPUT_ATTEN_BITS 0x1f 103 #define LINE_INPUT_ATTEN_MASK 0xe0 104 #define LINE_INPUT_MUTE 0x80 105 #define LINE_INPUT_MUTE_MASK 0x7f 106