1 /* $OpenBSD: cs4231reg.h,v 1.8 2022/01/09 05:42:38 jsg 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Register defs for Crystal Semiconductor CS4231 Audio Codec/mixer 35 * chip, used on Gravis UltraSound MAX cards. 36 * 37 * Block diagram: 38 * +----------------------------------------------------+ 39 * | | 40 * | +----------------------------------------------+ | 41 * | |mixed in +-+ | | 42 * | +------------>--| | | | 43 * | mic in | | | | 44 * Mic --+-->| --------- GAIN ->-| | | | 45 * | | AUX 1 in |M| | | 46 * GF1 --)-->| -------------+-->-|U| | | 47 * | | Line in | |X|---- GAIN ----------+ | | 48 * Line --)-->| ---------+---)-->-| | | | | 49 * | | | | | | | | | 50 * | | | | +-+ ADC | | 51 * | | | | | | | 52 * | | | | | | | 53 * | | | +--- L/M --\ | | | AMP--> 54 * | | | \ | | | | 55 * | | | \ | | | | 56 * | | +---- L/M -------O-->--+--------)-------+-|--+-> line 57 * | | mono in /| | | | 58 * +---|-->------------ L/M -----/ | | | | 59 * | AUX 2 in | | | | 60 * CD --------|-->------------ L/M -------+ L/M | | 61 * | | v | 62 * | | | | 63 * | DAC | | 64 * | | | | 65 * +----------------------------------------------------+ 66 * | | 67 * | | 68 * v v 69 * Pc BUS (DISK) ??? 70 * 71 * Documentation for this chip can be found at: 72 * http://www.cirrus.com/products/overviews/cs4231.html 73 */ 74 75 /* CS4231/AD1845 mode2 registers; added to AD1848 registers */ 76 #define CS_ALT_FEATURE1 0x10 77 #define CS_ALT_FEATURE2 0x11 78 #define CS_LEFT_LINE_CONTROL 0x12 79 #define CS_RIGHT_LINE_CONTROL 0x13 80 #define LINE_INPUT_ATTEN_BITS 0x1f 81 #define LINE_INPUT_ATTEN_MASK 0xe0 82 #define LINE_INPUT_MUTE 0x80 83 #define LINE_INPUT_MUTE_MASK 0x7f 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_IRQ_PU 0x01 /* Playback Underrun */ 90 #define CS_IRQ_PO 0x02 /* Playback Overrun */ 91 #define CS_IRQ_CO 0x04 /* Capture Overrun */ 92 #define CS_IRQ_CU 0x08 /* Capture Underrun */ 93 #define CS_IRQ_PI 0x10 /* Playback Interrupt */ 94 #define CS_IRQ_CI 0x20 /* Capture Interrupt */ 95 #define CS_IRQ_TI 0x40 /* Timer Interrupt */ 96 #define CS_IRQ_RES 0x80 /* reserved */ 97 #define CS_VERSION_ID 0x19 98 #define CS_MONO_IO_CONTROL 0x1A 99 #define MONO_INPUT_ATTEN_BITS 0x0f 100 #define MONO_INPUT_ATTEN_MASK 0xf0 101 #define MONO_OUTPUT_MUTE 0x40 102 #define MONO_INPUT_MUTE 0x80 103 #define MONO_INPUT_MUTE_MASK 0x7f 104 #define CS_POWERDOWN_CONTROL 0x1B 105 #define CS_REC_FORMAT 0x1C 106 #define CS_XTAL_SELECT 0x1D 107 #define CS_UPPER_REC_CNT 0x1E 108 #define CS_LOWER_REC_CNT 0x1F 109