From 18b3e91707e42873eab833f0f3da709062207ba7 Mon Sep 17 00:00:00 2001 From: Aidan MacDonald Date: Tue, 11 Jan 2022 13:58:03 +0000 Subject: x1000: internal codec audio driver Change-Id: I2eb551ec6b593951c33ae6b93df2a23dc6612c43 --- firmware/export/audiohw.h | 7 ++ firmware/export/x1000-codec.h | 184 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 191 insertions(+) create mode 100644 firmware/export/x1000-codec.h (limited to 'firmware/export') diff --git a/firmware/export/audiohw.h b/firmware/export/audiohw.h index 3f1bcb6feb..a365b97828 100644 --- a/firmware/export/audiohw.h +++ b/firmware/export/audiohw.h @@ -192,6 +192,8 @@ struct sound_settings_info #include "tsc2100.h" #elif defined(HAVE_JZ4740_CODEC) #include "jz4740-codec.h" +#elif defined(HAVE_X1000_ICODEC_PLAY) +#include "x1000-codec.h" #elif defined(HAVE_AK4537) #include "ak4537.h" #elif defined(HAVE_AK4376) @@ -237,6 +239,11 @@ struct sound_settings_info #include "erosqlinux_codec.h" #endif +#if defined(HAVE_X1000_ICODEC_REC) && !defined(HAVE_X1000_ICODEC_PLAY) +/* Targets may have an external DAC above, but use icodec for recording only */ +#include "x1000-codec.h" +#endif + /* convert caps into defines */ #ifdef AUDIOHW_CAPS /* Tone controls */ diff --git a/firmware/export/x1000-codec.h b/firmware/export/x1000-codec.h new file mode 100644 index 0000000000..cfc71dbd60 --- /dev/null +++ b/firmware/export/x1000-codec.h @@ -0,0 +1,184 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2021-2022 Aidan MacDonald + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#ifndef __X1000_CODEC_H__ +#define __X1000_CODEC_H__ + +#include "config.h" +#include + +/* Note: the internal X1000 codec supports playback and record, but devices + * can employ an external codec for one and the internal codec for the other. + * The caveat, in this case, is that only one codec can be used at a time + * because the HW cannot mux playback/record independently. + * + * At present only recording is implemented, since all X1000 ports use an + * external DAC for playback. + */ + +#ifdef HAVE_X1000_ICODEC_PLAY +# error "X1000 icodec playback not implemented" +#endif + +#define X1000_ICODEC_ADC_GAIN_MIN 0 +#define X1000_ICODEC_ADC_GAIN_MAX 43 +#define X1000_ICODEC_ADC_GAIN_STEP 1 + +#define X1000_ICODEC_MIC_GAIN_MIN 0 +#define X1000_ICODEC_MIC_GAIN_MAX 20 +#define X1000_ICODEC_MIC_GAIN_STEP 4 + +#ifdef HAVE_X1000_ICODEC_REC +AUDIOHW_SETTING(MIC_GAIN, "dB", 0, 1, 0, 63, 12) +#endif + +#define JZCODEC_INDIRECT_CREG(r) ((r) & 0xff) +#define JZCODEC_INDIRECT_INDEX(r) (((r) >> 8) & 0x7) +#define JZCODEC_INDIRECT_BIT 0x800 + +#define JZCODEC_INDIRECT(c, i) (JZCODEC_INDIRECT_BIT | ((i) << 8) | (c)) + +/* Codec registers from Ingenic's kernel sources. The datasheet is badly + * screwed up and the addresses listed cannot be trusted. */ +enum { + JZCODEC_SR = 0, + JZCODEC_SR2, + JZCODEC_SIGR, + JZCODEC_SIGR2, + JZCODEC_SIGR3, + JZCODEC_SIGR5, + JZCODEC_SIGR7, + JZCODEC_MR, + JZCODEC_AICR_DAC, + JZCODEC_AICR_ADC, + JZCODEC_CR_DMIC, + JZCODEC_CR_MIC1, + JZCODEC_CR_MIC2, + JZCODEC_CR_DAC, + JZCODEC_CR_DAC2, + JZCODEC_CR_ADC, + JZCODEC_CR_MIX, + JZCODEC_DR_MIX, + JZCODEC_CR_VIC, + JZCODEC_CR_CK, + JZCODEC_FCR_DAC, + JZCODEC_SFCCR_DAC, + JZCODEC_SFFCR_DAC, + JZCODEC_FCR_ADC, + JZCODEC_CR_TIMER_MSB, + JZCODEC_CR_TIMER_LSB, + JZCODEC_ICR, + JZCODEC_IMR, + JZCODEC_IFR, + JZCODEC_IMR2, + JZCODEC_IFR2, + JZCODEC_GCR_DACL, + JZCODEC_GCR_DACR, + JZCODEC_GCR_DACL2, + JZCODEC_GCR_DACR2, + JZCODEC_GCR_MIC1, + JZCODEC_GCR_MIC2, + JZCODEC_GCR_ADCL, + JZCODEC_GCR_ADCR, + JZCODEC_GCR_MIXDACL, + JZCODEC_GCR_MIXDACR, + JZCODEC_GCR_MIXADCL, + JZCODEC_GCR_MIXADCR, + JZCODEC_CR_DAC_AGC, + JZCODEC_DR_DAC_AGC, + JZCODEC_CR_DAC2_AGC, + JZCODEC_DR_DAC2_AGC, + JZCODEC_CR_ADC_AGC, + JZCODEC_DR_ADC_AGC, + JZCODEC_SR_ADC_AGCDGL, + JZCODEC_SR_ADC_AGCDGR, + JZCODEC_SR_ADC_AGCAGL, + JZCODEC_SR_ADC_AGCAGR, + JZCODEC_CR_TR, + JZCODEC_DR_TR, + JZCODEC_SR_TR1, + JZCODEC_SR_TR2, + JZCODEC_SR_TR_SRCDAC, + + JZCODEC_MIX0 = JZCODEC_INDIRECT(JZCODEC_CR_MIX, 0), + JZCODEC_MIX1 = JZCODEC_INDIRECT(JZCODEC_CR_MIX, 1), + JZCODEC_MIX2 = JZCODEC_INDIRECT(JZCODEC_CR_MIX, 2), + JZCODEC_MIX3 = JZCODEC_INDIRECT(JZCODEC_CR_MIX, 3), + JZCODEC_MIX4 = JZCODEC_INDIRECT(JZCODEC_CR_MIX, 4), + + JZCODEC_DAC_AGC0 = JZCODEC_INDIRECT(JZCODEC_CR_DAC_AGC, 0), + JZCODEC_DAC_AGC1 = JZCODEC_INDIRECT(JZCODEC_CR_DAC_AGC, 1), + JZCODEC_DAC_AGC2 = JZCODEC_INDIRECT(JZCODEC_CR_DAC_AGC, 2), + JZCODEC_DAC_AGC3 = JZCODEC_INDIRECT(JZCODEC_CR_DAC_AGC, 3), + + JZCODEC_DAC2_AGC0 = JZCODEC_INDIRECT(JZCODEC_CR_DAC2_AGC, 0), + JZCODEC_DAC2_AGC1 = JZCODEC_INDIRECT(JZCODEC_CR_DAC2_AGC, 1), + JZCODEC_DAC2_AGC2 = JZCODEC_INDIRECT(JZCODEC_CR_DAC2_AGC, 2), + JZCODEC_DAC2_AGC3 = JZCODEC_INDIRECT(JZCODEC_CR_DAC2_AGC, 3), + + JZCODEC_ADC_AGC0 = JZCODEC_INDIRECT(JZCODEC_CR_ADC_AGC, 0), + JZCODEC_ADC_AGC1 = JZCODEC_INDIRECT(JZCODEC_CR_ADC_AGC, 1), + JZCODEC_ADC_AGC2 = JZCODEC_INDIRECT(JZCODEC_CR_ADC_AGC, 2), + JZCODEC_ADC_AGC3 = JZCODEC_INDIRECT(JZCODEC_CR_ADC_AGC, 3), + JZCODEC_ADC_AGC4 = JZCODEC_INDIRECT(JZCODEC_CR_ADC_AGC, 4), +}; + +/* for use with x1000_icodec_mic1_configure() */ +enum { + JZCODEC_MIC1_SINGLE_ENDED = (0 << 6), + JZCODEC_MIC1_DIFFERENTIAL = (1 << 6), + + JZCODEC_MIC1_BIAS_2_08V = (0 << 3), + JZCODEC_MIC1_BIAS_1_66V = (1 << 3), + + JZCODEC_MIC1_CONFIGURE_MASK = (1 << 6) | (1 << 3), +}; + +/* for use with x1000_icodec_adc_mic_sel() */ +enum { + JZCODEC_MIC_SEL_ANALOG, + JZCODEC_MIC_SEL_DIGITAL, +}; + +extern void x1000_icodec_open(void); +extern void x1000_icodec_close(void); + +extern void x1000_icodec_dac_frequency(int fsel); + +extern void x1000_icodec_adc_enable(bool en); +extern void x1000_icodec_adc_mute(bool muted); +extern void x1000_icodec_adc_mic_sel(int sel); +extern void x1000_icodec_adc_frequency(int fsel); +extern void x1000_icodec_adc_highpass_filter(bool en); +extern void x1000_icodec_adc_gain(int gain_dB); + +extern void x1000_icodec_mic1_enable(bool en); +extern void x1000_icodec_mic1_bias_enable(bool en); +extern void x1000_icodec_mic1_configure(int settings); +extern void x1000_icodec_mic1_gain(int gain_dB); + +extern void x1000_icodec_mixer_enable(bool en); + +extern int x1000_icodec_read(int reg); +extern void x1000_icodec_write(int reg, int value); +extern void x1000_icodec_update(int reg, int mask, int value); + +#endif /* __X1000_CODEC_H__ */ -- cgit v1.2.3