NetBSD/sys/dev/ic/cs4231reg.h

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/* $NetBSD: cs4231reg.h,v 1.5 1997/10/09 08:03:42 jtc Exp $ */
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/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
* by Ken Hornstein and John Kohl.
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*
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* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
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*/
/*
* Register defs for Crystal Semiconductor CS4231 Audio Codec/mixer
* chip, used on Gravis UltraSound MAX cards.
*
* Block diagram:
* +----------------------------------------------------+
* | |
* | +----------------------------------------------+ |
* | |mixed in +-+ | |
* | +------------>--| | | |
* | mic in | | | |
* Mic --+-->| --------- GAIN ->-| | | |
* | | AUX 1 in |M| | |
* GF1 --)-->| -------------+-->-|U| | |
* | | Line in | |X|---- GAIN ----------+ | |
* Line --)-->| ---------+---)-->-| | | | |
* | | | | | | | | |
* | | | | +-+ ADC | |
* | | | | | | |
* | | | | | | |
* | | | +--- L/M --\ | | | AMP-->
* | | | \ | | | |
* | | | \ | | | |
* | | +---- L/M -------O-->--+--------)-------+-|--+-> line
* | | mono in /| | | |
* +---|-->------------ L/M -----/ | | | |
* | AUX 2 in | | | |
* CD --------|-->------------ L/M -------+ L/M | |
* | | v |
* | | | |
* | DAC | |
* | | | |
* +----------------------------------------------------+
* | |
* | |
* v v
* Pc BUS (DISK) ???
*
*/
/* CS4231/AD1845 mode2 registers; added to AD1848 registers */
#define CS_ALT_FEATURE1 0x10
#define CS_ALT_FEATURE2 0x11
#define CS_LEFT_LINE_CONTROL 0x12
#define CS_RIGHT_LINE_CONTROL 0x13
#define CS_TIMER_LOW 0x14
#define CS_TIMER_HIGH 0x15
#define CS_UPPER_FREQUENCY_SEL 0x16
#define CS_LOWER_FREQUENCY_SEL 0x17
#define CS_IRQ_STATUS 0x18
#define CS_VERSION_ID 0x19
#define CS_MONO_IO_CONTROL 0x1A
#define CS_POWERDOWN_CONTROL 0x1B
#define CS_REC_FORMAT 0x1C
#define CS_XTAL_SELECT 0x1D
#define CS_UPPER_REC_CNT 0x1E
#define CS_LOWER_REC_CNT 0x1F
#define MONO_INPUT_ATTEN_BITS 0x0f
#define MONO_INPUT_ATTEN_MASK 0xf0
#define MONO_INPUT_MUTE 0x80
#define MONO_INPUT_MUTE_MASK 0x7f
#define LINE_INPUT_ATTEN_BITS 0x1f
#define LINE_INPUT_ATTEN_MASK 0xe0
#define LINE_INPUT_MUTE 0x80
#define LINE_INPUT_MUTE_MASK 0x7f