104 lines
4.1 KiB
C
104 lines
4.1 KiB
C
/* $NetBSD: cs4231reg.h,v 1.1 1995/07/07 02:11:46 brezak Exp $ */
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/*
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* Copyright (c) 1995 John T. Kohl
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*
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* Register defs for Crystal Semiconductor CS4231 Audio Codec/mixer
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* chip, used on Gravis UltraSound MAX cards.
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*
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* Block diagram:
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* +----------------------------------------------------+
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* | |
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* | +----------------------------------------------+ |
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* | |mixed in +-+ | |
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* | +------------>--| | | |
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* | mic in | | | |
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* Mic --+-->| --------- GAIN ->-| | | |
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* | | AUX 1 in |M| | |
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* GF1 --)-->| -------------+-->-|U| | |
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* | | Line in | |X|---- GAIN ----------+ | |
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* Line --)-->| ---------+---)-->-| | | | |
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* | | | | | | | | |
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* | | | | +-+ ADC | |
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* | | | | | | |
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* | | | | | | |
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* | | | +--- L/M --\ | | | AMP-->
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* | | | \ | | | |
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* | | | \ | | | |
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* | | +---- L/M -------O-->--+--------)-------+-|--+-> line
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* | | mono in /| | | |
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* +---|-->------------ L/M -----/ | | | |
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* | AUX 2 in | | | |
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* CD --------|-->------------ L/M -------+ L/M | |
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* | | v |
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* | | | |
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* | DAC | |
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* | | | |
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* +----------------------------------------------------+
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* | |
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* | |
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* v v
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* Pc BUS (DISK) ???
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*
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*/
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/*
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* The CS4231 mixer is write-only--it cannot be queried for current
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* settings. Drivers must keep track of current values themselves.
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*/
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/* CS4231/AD1845 mode2 registers; added to AD1848 registers */
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#define CS_ALT_FEATURE1 0x10
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#define CS_ALT_FEATURE2 0x11
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#define CS_LEFT_LINE_CONTROL 0x12
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#define CS_RIGHT_LINE_CONTROL 0x13
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#define CS_TIMER_LOW 0x14
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#define CS_TIMER_HIGH 0x15
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#define CS_UPPER_FREQUENCY_SEL 0x16
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#define CS_LOWER_FREQUENCY_SEL 0x17
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#define CS_IRQ_STATUS 0x18
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#define CS_VERSION_ID 0x19
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#define CS_MONO_IO_CONTROL 0x1A
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#define CS_POWERDOWN_CONTROL 0x1B
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#define CS_REC_FORMAT 0x1C
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#define CS_XTAL_SELECT 0x1D
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#define CS_UPPER_REC_CNT 0x1E
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#define CS_LOWER_REC_CNT 0x1F
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#define MONO_INPUT_ATTEN_BITS 0x0f
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#define MONO_INPUT_ATTEN_MASK 0xf0
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#define MONO_INPUT_MUTE 0x80
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#define MONO_INPUT_MUTE_MASK 0x7f
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#define LINE_INPUT_ATTEN_BITS 0x1f
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#define LINE_INPUT_ATTEN_MASK 0xe0
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#define LINE_INPUT_MUTE 0x80
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#define LINE_INPUT_MUTE_MASK 0x7f
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