/* $NetBSD: cs4231reg.h,v 1.12 2008/04/28 20:23:49 martin Exp $ */ /*- * Copyright (c) 1996 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Ken Hornstein and John Kohl. * * 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. * * 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 * 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. */ /* * 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 16 #define CS_ALT_FEATURE2 17 #define CS_LEFT_LINE_CONTROL 18 #define CS_RIGHT_LINE_CONTROL 19 #define CS_TIMER_LOW 20 #define CS_TIMER_HIGH 21 #define CS_UPPER_FREQUENCY_SEL 22 #define CS_LOWER_FREQUENCY_SEL 23 #define CS_IRQ_STATUS 24 #define CS_VERSION_ID 25 #define CS_MONO_IO_CONTROL 26 #define CS_POWERDOWN_CONTROL 27 #define CS_LEFT_OUT 27 /* 4232 */ #define CS_REC_FORMAT 28 #define CS_RIGHT_OUT 29 /* 4232 */ #define CS_XTAL_SELECT 29 #define CS_UPPER_REC_CNT 30 #define CS_LOWER_REC_CNT 31 /* ALT_FEATURE1 - register I16 */ #define ALT_F1_DACZ 0x01 /* 1: hold sample during underrun */ #define ALT_F1_SPE 0x02 /* 1: Serial port enable */ #define ALT_F1_SFORMAT 0x06 /* Serial port format */ #define ALT_F1_PMCE 0x10 /* Playback mode change enable */ #define ALT_F1_CMCE 0x20 /* Capture mode change enable */ #define ALT_F1_TE 0x40 /* Timer enable */ #define ALT_F1_OLB 0x80 /* Output level bit */ /* ALT_FEATURE2 - register I17 */ #define ALT_F2_HPF 0x01 /* High pass filter */ #define ALT_F2_XTALE 0x02 /* Crytal enable */ #define ALT_F2_APAR 0x04 /* ADPCM playback accumulator reset */ #define ALT_F2_RES 0x08 /* reserved */ #define ALT_F2_TEST 0xf0 /* Factory test bits */ /* LINE_CONTROL (LEFT & RIGHT) - register I18,I19 */ #define LINE_INPUT_ATTEN_BITS 0x1f #define LINE_INPUT_ATTEN_MASK 0xe0 #define LINE_INPUT_MUTE 0x80 #define LINE_INPUT_MUTE_MASK (~LINE_INPUT_MUTE & 0xff) /* ALT_FEATURE3 - register I23 */ #define ALT_F3_ACF 0x01 /* ADPCM capture freeze */ /* ALT_FEATURE_STATUS (aka CS_IRQ_STATUS) - register I24 */ #define CS_IRQ_PU 0x01 /* Playback Underrun */ #define CS_IRQ_PO 0x02 /* Playback Overrun */ #define CS_IRQ_CO 0x04 /* Capture Overrun */ #define CS_IRQ_CU 0x08 /* Capture Underrun */ #define CS_IRQ_PI 0x10 /* Playback Interrupt */ #define CS_IRQ_CI 0x20 /* Capture Interrupt */ #define CS_IRQ_TI 0x40 /* Timer Interrupt */ #define CS_IRQ_RES 0x80 /* reserved */ #define CS_I24_BITS "\20\1PU\2PO\3CO\4CU\5PI\6CI\7TI" /* VERSION - register I25 */ #define CS_VERSION_NUMBER 0xe0 /* Version number: * 0x101 - 4231 rev. A * 0x100 - 4231 previous revs * 0x100 - 4232 (unreleased?) * 0x101 - 4232 rev. C */ #define CS_VERSION_CHIPID 0x07 /* Chip Identification. * Currently know values: * 0x000 - CS4231 * 0x010 - CS4232 */ /* MONO_IO_CONTROL - register I26 */ #define MONO_INPUT_ATTEN_BITS 0x0f #define MONO_INPUT_ATTEN_MASK 0xf0 #define MONO_BYPASS 0x20 #define MONO_OUTPUT_MUTE 0x40 #define MONO_OUTPUT_MUTE_MASK (~MONO_OUTPUT_MUTE & 0xff) #define MONO_INPUT_MUTE 0x80 #define MONO_INPUT_MUTE_MASK (~MONO_INPUT_MUTE & 0xff) /* CS_LEFT_OUT - register I27 */ #define LEFT_OUT_ATTEN_BITS 0x0f #define LEFT_OUT_ATTEN_MASK 0xf0 #define LEFT_OUT_MUTE 0x80 #define LEFT_OUT_MUTE_MASK (~LEFT_OUT_MUTE & 0xff) /* CS_REC_FORMAT - register I28 */ #define REC_FMT_reserved 0x0f /* reserved */ #define REC_FMT_SM 0x10 /* 0: mono, 1: stereo */ #define REC_FMT_CL 0x20 /* 0: linear, 1: companded */ #define REC_FMT_FMT0 0x40 /* See register I8 for valid */ #define REC_FMT_FMT1 0x80 /* combination of the FMT and CL bits */ /* CS_RIGHT_OUT - register I27 */ #define RIGHT_OUT_ATTEN_BITS 0x0f #define RIGHT_OUT_ATTEN_MASK 0xf0 #define RIGHT_OUT_MUTE 0x80 #define RIGHT_OUT_MUTE_MASK (~RIGHT_OUT_MUTE & 0xff)
