/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __SOUND_CS4231_REGS_H
#define __SOUND_CS4231_REGS_H
/*
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* Definitions for CS4231 & InterWave chips & compatible chips registers
*/
/* IO ports */
#define CS4231P(x) (c_d_c_CS4231## x)
#define c_d_c_CS4231REGSEL 0
#define c_d_c_CS4231REG 1
#define c_d_c_CS4231STATUS 2
#define c_d_c_CS4231PIO 3
/* codec registers */
#define CS4231_LEFT_INPUT 0 x00 /* left input control */
#define CS4231_RIGHT_INPUT 0 x01 /* right input control */
#define CS4231_AUX1_LEFT_INPUT 0 x02 /* left AUX1 input control */
#define CS4231_AUX1_RIGHT_INPUT 0 x03 /* right AUX1 input control */
#define CS4231_AUX2_LEFT_INPUT 0 x04 /* left AUX2 input control */
#define CS4231_AUX2_RIGHT_INPUT 0 x05 /* right AUX2 input control */
#define CS4231_LEFT_OUTPUT 0 x06 /* left output control register */
#define CS4231_RIGHT_OUTPUT 0 x07 /* right output control register */
#define CS4231_PLAYBK_FORMAT 0 x08 /* clock and data format - playback - bits 7-0 MCE */
#define CS4231_IFACE_CTRL 0 x09 /* interface control - bits 7-2 MCE */
#define CS4231_PIN_CTRL 0 x0a /* pin control */
#define CS4231_TEST_INIT 0 x0b /* test and initialization */
#define CS4231_MISC_INFO 0 x0c /* miscellaneous information */
#define CS4231_LOOPBACK 0 x0d /* loopback control */
#define CS4231_PLY_UPR_CNT 0 x0e /* playback upper base count */
#define CS4231_PLY_LWR_CNT 0 x0f /* playback lower base count */
#define CS4231_ALT_FEATURE_1 0 x10 /* alternate #1 feature enable */
#define AD1845_AF1_MIC_LEFT 0 x10 /* alternate #1 feature + MIC left */
#define CS4231_ALT_FEATURE_2 0 x11 /* alternate #2 feature enable */
#define AD1845_AF2_MIC_RIGHT 0 x11 /* alternate #2 feature + MIC right */
#define CS4231_LEFT_LINE_IN 0 x12 /* left line input control */
#define CS4231_RIGHT_LINE_IN 0 x13 /* right line input control */
#define CS4231_TIMER_LOW 0 x14 /* timer low byte */
#define CS4231_TIMER_HIGH 0 x15 /* timer high byte */
#define CS4231_LEFT_MIC_INPUT 0 x16 /* left MIC input control register (InterWave only) */
#define AD1845_UPR_FREQ_SEL 0 x16 /* upper byte of frequency select */
#define CS4231_RIGHT_MIC_INPUT 0 x17 /* right MIC input control register (InterWave only) */
#define AD1845_LWR_FREQ_SEL 0 x17 /* lower byte of frequency select */
#define CS4236_EXT_REG 0 x17 /* extended register access */
#define CS4231_IRQ_STATUS 0 x18 /* irq status register */
#define CS4231_LINE_LEFT_OUTPUT 0 x19 /* left line output control register (InterWave only) */
#define CS4231_VERSION 0 x19 /* CS4231(A) - version values */
#define CS4231_MONO_CTRL 0 x1a /* mono input/output control */
#define CS4231_LINE_RIGHT_OUTPUT 0 x1b /* right line output control register (InterWave only) */
#define AD1845_PWR_DOWN 0 x1b /* power down control */
#define CS4235_LEFT_MASTER 0 x1b /* left master output control */
#define CS4231_REC_FORMAT 0 x1c /* clock and data format - record - bits 7-0 MCE */
#define AD1845_CLOCK 0 x1d /* crystal clock select and total power down */
#define CS4235_RIGHT_MASTER 0 x1d /* right master output control */
#define CS4231_REC_UPR_CNT 0 x1e /* record upper count */
#define CS4231_REC_LWR_CNT 0 x1f /* record lower count */
/* definitions for codec register select port - CODECP( REGSEL ) */
#define CS4231_INIT 0 x80 /* CODEC is initializing */
#define CS4231_MCE 0 x40 /* mode change enable */
#define CS4231_TRD 0 x20 /* transfer request disable */
/* definitions for codec status register - CODECP( STATUS ) */
#define CS4231_GLOBALIRQ 0 x01 /* IRQ is active */
/* definitions for codec irq status */
#define CS4231_PLAYBACK_IRQ 0 x10
#define CS4231_RECORD_IRQ 0 x20
#define CS4231_TIMER_IRQ 0 x40
#define CS4231_ALL_IRQS 0 x70
#define CS4231_REC_UNDERRUN 0 x08
#define CS4231_REC_OVERRUN 0 x04
#define CS4231_PLY_OVERRUN 0 x02
#define CS4231_PLY_UNDERRUN 0 x01
/* definitions for CS4231_LEFT_INPUT and CS4231_RIGHT_INPUT registers */
#define CS4231_ENABLE_MIC_GAIN 0 x20
#define CS4231_MIXS_LINE 0 x00
#define CS4231_MIXS_AUX1 0 x40
#define CS4231_MIXS_MIC 0 x80
#define CS4231_MIXS_ALL 0 xc0
/* definitions for clock and data format register - CS4231_PLAYBK_FORMAT */
#define CS4231_LINEAR_8 0 x00 /* 8-bit unsigned data */
#define CS4231_ALAW_8 0 x60 /* 8-bit A-law companded */
#define CS4231_ULAW_8 0 x20 /* 8-bit U-law companded */
#define CS4231_LINEAR_16 0 x40 /* 16-bit twos complement data - little endian */
#define CS4231_LINEAR_16_BIG 0 xc0 /* 16-bit twos complement data - big endian */
#define CS4231_ADPCM_16 0 xa0 /* 16-bit ADPCM */
#define CS4231_STEREO 0 x10 /* stereo mode */
/* bits 3-1 define frequency divisor */
#define CS4231_XTAL1 0 x00 /* 24.576 crystal */
#define CS4231_XTAL2 0 x01 /* 16.9344 crystal */
/* definitions for interface control register - CS4231_IFACE_CTRL */
#define CS4231_RECORD_PIO 0 x80 /* record PIO enable */
#define CS4231_PLAYBACK_PIO 0 x40 /* playback PIO enable */
#define CS4231_CALIB_MODE 0 x18 /* calibration mode bits */
#define CS4231_AUTOCALIB 0 x08 /* auto calibrate */
#define CS4231_SINGLE_DMA 0 x04 /* use single DMA channel */
#define CS4231_RECORD_ENABLE 0 x02 /* record enable */
#define CS4231_PLAYBACK_ENABLE 0 x01 /* playback enable */
/* definitions for pin control register - CS4231_PIN_CTRL */
#define CS4231_IRQ_ENABLE 0 x02 /* enable IRQ */
#define CS4231_XCTL1 0 x40 /* external control #1 */
#define CS4231_XCTL0 0 x80 /* external control #0 */
/* definitions for test and init register - CS4231_TEST_INIT */
#define CS4231_CALIB_IN_PROGRESS 0 x20 /* auto calibrate in progress */
#define CS4231_DMA_REQUEST 0 x10 /* DMA request in progress */
/* definitions for misc control register - CS4231_MISC_INFO */
#define CS4231_MODE2 0 x40 /* MODE 2 */
#define CS4231_IW_MODE3 0 x6c /* MODE 3 - InterWave enhanced mode */
#define CS4231_4236_MODE3 0 xe0 /* MODE 3 - CS4236+ enhanced mode */
/* definitions for alternate feature 1 register - CS4231_ALT_FEATURE_1 */
#define CS4231_DACZ 0 x01 /* zero DAC when underrun */
#define CS4231_TIMER_ENABLE 0 x40 /* codec timer enable */
#define CS4231_OLB 0 x80 /* output level bit */
/* definitions for Extended Registers - CS4236+ */
#define CS4236_REG(i23val) (((i23val << 2 ) & 0 x10) | ((i23val >> 4 ) & 0 x0f))
#define CS4236_I23VAL(reg) ((((reg)&0 xf) << 4 ) | (((reg)&yle='color: green'>0 x10) >> 2 ) | 0 x8)
#define CS4236_LEFT_LINE 0 x08 /* left LINE alternate volume */
#define CS4236_RIGHT_LINE 0 x18 /* right LINE alternate volume */
#define CS4236_LEFT_MIC 0 x28 /* left MIC volume */
#define CS4236_RIGHT_MIC 0 x38 /* right MIC volume */
#define CS4236_LEFT_MIX_CTRL 0 x48 /* synthesis and left input mixer control */
#define CS4236_RIGHT_MIX_CTRL 0 x58 /* right input mixer control */
#define CS4236_LEFT_FM 0 x68 /* left FM volume */
#define CS4236_RIGHT_FM 0 x78 /* right FM volume */
#define CS4236_LEFT_DSP 0 x88 /* left DSP serial port volume */
#define CS4236_RIGHT_DSP 0 x98 /* right DSP serial port volume */
#define CS4236_RIGHT_LOOPBACK 0 xa8 /* right loopback monitor volume */
#define CS4236_DAC_MUTE 0 xb8 /* DAC mute and IFSE enable */
#define CS4236_ADC_RATE 0 xc8 /* indenpendent ADC sample frequency */
#define CS4236_DAC_RATE 0 xd8 /* indenpendent DAC sample frequency */
#define CS4236_LEFT_MASTER 0 xe8 /* left master digital audio volume */
#define CS4236_RIGHT_MASTER 0 xf8 /* right master digital audio volume */
#define CS4236_LEFT_WAVE 0 x0c /* left wavetable serial port volume */
#define CS4236_RIGHT_WAVE 0 x1c /* right wavetable serial port volume */
#define CS4236_VERSION 0 x9c /* chip version and ID */
/* definitions for extended registers - OPTI93X */
#define OPTi931_AUX_LEFT_INPUT 0 x10
#define OPTi931_AUX_RIGHT_INPUT 0 x11
#define OPTi93X_MIC_LEFT_INPUT 0 x14
#define OPTi93X_MIC_RIGHT_INPUT 0 x15
#define OPTi93X_OUT_LEFT 0 x16
#define OPTi93X_OUT_RIGHT 0 x17
#endif /* __SOUND_CS4231_REGS_H */
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