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AK4951: Initial commit.
This commit is contained in:
Jared Boone
parent
395e3b1736
commit
600dcb734e
312
firmware/common/ak4951.cpp
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312
firmware/common/ak4951.cpp
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/*
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* Copyright (C) 2017 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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||||
*
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||||
* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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||||
*
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||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "ak4951.hpp"
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#include "portapack_io.hpp"
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using namespace portapack;
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#include <ch.h>
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namespace asahi_kasei {
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namespace ak4951 {
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void AK4951::configure_digital_interface() {
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// Configure for external slave mode.
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map.r.mode_control_1.DIF = 0b11; // I2S compatible
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map.r.mode_control_1.BCKO = 0; // BICK = 32fs
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update(Register::ModeControl1);
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map.r.mode_control_2.CM = 0b00; // MCKI = 256fs
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map.r.mode_control_2.FS = 0b1011; // fs = 48kHz
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update(Register::ModeControl2);
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// map.r.mode_control_3.DVOLC = 1; // Control L/R channels with DVL (LchDigitalVolumeControl)
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// update(Register::ModeControl3);
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map.r.power_management_2.MS = 0; // Slave mode
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map.r.power_management_2.PMPLL = 0; // EXT mode
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update(Register::PowerManagement2);
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}
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void AK4951::init() {
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reset();
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// Write dummy address to "release" the reset.
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write(0x00, 0x00);
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configure_digital_interface();
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map.r.power_management_1.PMVCM = 1;
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update(Register::PowerManagement1);
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// Headphone output is hi-Z when not active, reduces crosstalk from speaker output.
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map.r.beep_control.HPZ = 1;
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update(Register::BeepControl);
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// Pause for VCOM and REGFIL pins to stabilize.
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chThdSleepMilliseconds(2);
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headphone_mute();
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// SPK-Amp gain setting: SPKG1-0 bits = “00” → “01”
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map.r.signal_select_2.SPKG = 0b01;
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update(Register::SignalSelect2);
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map.r.signal_select_3.MONO = 0b00;
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update(Register::SignalSelect3);
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map.r.digital_filter_mode.PFSDO = 0; // ADC bypass digital filter block.
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map.r.digital_filter_mode.ADCPF = 1; // ADC output
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map.r.digital_filter_mode.PFDAC = 0b00; // SDTI
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update(Register::DigitalFilterMode);
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// Set up FRN, FRATT and ADRST1-0 bits (Addr = 09H)
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// map.r.timer_select.FRN = 0;
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// map.r.timer_select.FRATT = 0;
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// map.r.timer_select.ADRST = 0b00;
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// update(Register::TimerSelect);
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// Set up ALC mode (Addr = 0AH, 0BH)
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// map.r.alc_timer_select. = ;
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// update(Register::ALCTimerSelect);
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// map.r.alc_mode_control_1. = ;
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// update(Register::ALCModeControl1);
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// Set up REF value of ALC (Addr = 0CH)
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// map.r.alc_mode_control_2. = ;
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// update(Register::ALCModeControl2);
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// Set up IVOL value of ALC operation start (Addr = 0DH)
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// map.r.l_ch_input_volume_control. = ;
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// update(Register::LchInputVolumeControl);
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// map.r.r_ch_input_volume_control. = ;
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// update(Register::RchInputVolumeControl);
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// Set up the output digital volume. (Addr = 13H)
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// set_headphone_volume(...);
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// Set up Programmable Filter Path: PFDAC1-0 bits=“01”, PFSDO=ADCPF bits=“0” (Addr = 1DH)
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// map.r.digital_filter_mode.PFDAC = 0b01;
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// update(Register::DigitalFilterMode);
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}
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bool AK4951::reset() {
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io.audio_reset_state(true);
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// PDN# pulse must be >200ns
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chThdSleepMicroseconds(10);
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io.audio_reset_state(false);
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return true;
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}
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void AK4951::set_digtal_volume_control(const reg_t value) {
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map.r.l_ch_digital_volume_control.DV = value;
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update(Register::LchDigitalVolumeControl);
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}
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void AK4951::set_headphone_volume(const volume_t volume) {
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const auto normalized = headphone_gain_range().normalize(volume);
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auto n = normalized.centibel() / 5;
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set_digtal_volume_control(0xcb - n);
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}
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void AK4951::headphone_mute() {
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set_digtal_volume_control(0xff);
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}
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void AK4951::set_dac_power(const bool enable) {
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map.r.power_management_1.PMDAC = enable;
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update(Register::PowerManagement1);
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}
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void AK4951::set_headphone_power(const bool enable) {
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map.r.power_management_2.PMHPL = map.r.power_management_2.PMHPR = enable;
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update(Register::PowerManagement2);
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}
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void AK4951::set_speaker_power(const bool enable) {
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map.r.power_management_2.PMSL = enable;
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update(Register::PowerManagement2);
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}
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void AK4951::select_line_out(const LineOutSelect value) {
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map.r.power_management_2.LOSEL = (value == LineOutSelect::Line) ? 1 : 0;
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update(Register::PowerManagement2);
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}
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void AK4951::headphone_enable() {
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set_dac_power(true);
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set_headphone_power(true);
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// Wait for headphone amplifier charge pump power-up.
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chThdSleepMilliseconds(35);
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}
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void AK4951::headphone_disable() {
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set_headphone_power(false);
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set_dac_power(false);
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}
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void AK4951::speaker_enable() {
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// Set up the path of DAC → SPK-Amp: DACS bit = “0” → “1”
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map.r.signal_select_1.DACS = 1;
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update(Register::SignalSelect1);
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// Enter Speaker-Amp Output Mode: LOSEL bit = “0”
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select_line_out(LineOutSelect::Speaker);
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// Power up DAC, Programmable Filter and Speaker-Amp: PMDAC=PMPFIL=PMSL bits=“0”→“1”
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set_dac_power(true);
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// map.r.power_management_1.PMPFIL = 1;
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// update(Register::PowerManagement1);
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set_speaker_power(true);
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// Time from PMSL=1 to SLPSN=1.
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chThdSleepMilliseconds(1);
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// Exit the power-save mode of Speaker-Amp: SLPSN bit = “0” → “1”
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map.r.signal_select_1.SLPSN = 1;
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update(Register::SignalSelect1);
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}
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void AK4951::speaker_disable() {
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// Enter Speaker-Amp Power Save Mode: SLPSN bit = “1” → “0”
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map.r.signal_select_1.SLPSN = 0;
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update(Register::SignalSelect1);
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// Disable the path of DAC → SPK-Amp: DACS bit = “1” → “0”
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map.r.signal_select_1.DACS = 0;
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update(Register::SignalSelect1);
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// Power down DAC, Programmable Filter and speaker: PMDAC=PMPFIL=PMSL bits= “1”→“0”
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set_dac_power(false);
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// map.r.power_management_1.PMPFIL = 0;
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// update(Register::PowerManagement1);
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set_speaker_power(false);
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}
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void AK4951::microphone_enable() {
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// map.r.digital_mic.DMIC = 0;
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// update(Register::DigitalMic);
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map.r.signal_select_1.MGAIN20 = 0b110;
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map.r.signal_select_1.PMMP = 1;
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map.r.signal_select_1.MPSEL = 1; // MPWR2 pin
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map.r.signal_select_1.MGAIN3 = 0b0;
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update(Register::SignalSelect1);
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map.r.signal_select_2.INL = 0b01; // Lch input signal = LIN2
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map.r.signal_select_2.INR = 0b01; // Rch input signal = RIN2
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map.r.signal_select_2.MICL = 0; // MPWR = 2.4V
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update(Register::SignalSelect2);
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// map.r.r_ch_mic_gain_setting.MGR = 0x80; // Microphone sensitivity correction = 0dB.
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// update(Register::RchMicGainSetting);
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/*
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map.r.timer_select.FRN = ?;
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map.r.timer_select.FRATT = ?;
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map.r.timer_select.ADRST = 0b??;
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update(Register::TimerSelect);
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map.r.alc_timer_select. = ?;
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update(Register::ALCTimerSelect);
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map.r.alc_mode_control_1. = ?;
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map.r.alc_mode_control_1.ALC = 1;
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update(Register::ALCModeControl1);
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map.r.alc_mode_control_2.REF = ?;
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update(Register::ALCModeControl2);
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*/
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// map.r.l_ch_input_volume_control.IV = 0xe1;
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// update(Register::LchInputVolumeControl);
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// map.r.r_ch_input_volume_control.IV = 0xe1;
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// update(Register::RchInputVolumeControl);
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/*
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map.r.auto_hpf_control.STG = 0b00;
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map.r.auto_hpf_control.SENC = 0b011;
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map.r.auto_hpf_control.AHPF = 0;
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update(Register::AutoHPFControl);
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*/
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map.r.digital_filter_select_1.HPFAD = 1; // HPF1 (after ADC) = on
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map.r.digital_filter_select_1.HPFC = 0b11; // 2336.8 Hz @ fs=48k
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update(Register::DigitalFilterSelect1);
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/*
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map.r.digital_filter_select_2.HPF = 0;
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map.r.digital_filter_select_2.LPF = 0;
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map.r.digital_filter_select_2.FIL3 = 0;
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map.r.digital_filter_select_2.EQ0 = 0;
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map.r.digital_filter_select_2.GN = 0b00;
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update(Register::DigitalFilterSelect2);
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map.r.digital_filter_select_3.EQ1 = 0;
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map.r.digital_filter_select_3.EQ2 = 0;
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map.r.digital_filter_select_3.EQ3 = 0;
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map.r.digital_filter_select_3.EQ4 = 0;
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map.r.digital_filter_select_3.EQ5 = 0;
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update(Register::DigitalFilterSelect3);
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*/
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map.r.digital_filter_mode.PFSDO = 0; // ADC (+ 1st order HPF) Output
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map.r.digital_filter_mode.ADCPF = 1; // ADC Output (default)
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update(Register::DigitalFilterMode);
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// ... Set coefficients ...
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map.r.power_management_1.PMADL = 1; // ADC Lch = Lch input signal
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map.r.power_management_1.PMADR = 1; // ADC Rch = Rch input signal
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map.r.power_management_1.PMPFIL = 0; // Programmable filter unused, routed around.
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update(Register::PowerManagement1);
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// 1059/fs, 22ms @ 48kHz
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chThdSleepMilliseconds(22);
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}
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void AK4951::microphone_disable() {
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map.r.power_management_1.PMADL = 0;
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map.r.power_management_1.PMADR = 0;
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map.r.power_management_1.PMPFIL = 0;
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update(Register::PowerManagement1);
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map.r.alc_mode_control_1.ALC = 0;
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update(Register::ALCModeControl1);
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}
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reg_t AK4951::read(const address_t reg_address) {
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const std::array<uint8_t, 1> tx { reg_address };
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std::array<uint8_t, 1> rx { 0x00 };
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bus.transmit(bus_address, tx.data(), tx.size());
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bus.receive(bus_address, rx.data(), rx.size());
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return rx[0];
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}
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void AK4951::update(const Register reg) {
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write(toUType(reg), map.w[toUType(reg)]);
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}
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void AK4951::write(const address_t reg_address, const reg_t value) {
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const std::array<uint8_t, 2> tx { reg_address, value };
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bus.transmit(bus_address, tx.data(), tx.size());
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}
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} /* namespace ak4951 */
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} /* namespace asahi_kasei */
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882
firmware/common/ak4951.hpp
Normal file
882
firmware/common/ak4951.hpp
Normal file
@ -0,0 +1,882 @@
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/*
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* Copyright (C) 2017 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
|
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* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2, or (at your option)
|
||||
* any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; see the file COPYING. If not, write to
|
||||
* the Free Software Foundation, Inc., 51 Franklin Street,
|
||||
* Boston, MA 02110-1301, USA.
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*/
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#ifndef __AK4951_H__
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#define __AK4951_H__
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#include <cstdint>
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#include <array>
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#include "utility.hpp"
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#include "i2c_pp.hpp"
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#include "audio.hpp"
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namespace asahi_kasei {
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namespace ak4951 {
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using address_t = uint8_t;
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using reg_t = uint8_t;
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constexpr size_t reg_count = 0x50;
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enum class Register : address_t {
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PowerManagement1 = 0x00,
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PowerManagement2 = 0x01,
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SignalSelect1 = 0x02,
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SignalSelect2 = 0x03,
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SignalSelect3 = 0x04,
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ModeControl1 = 0x05,
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ModeControl2 = 0x06,
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ModeControl3 = 0x07,
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DigitalMic = 0x08,
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TimerSelect = 0x09,
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ALCTimerSelect = 0x0a,
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ALCModeControl1 = 0x0b,
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ALCModeControl2 = 0x0c,
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LchInputVolumeControl = 0x0d,
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RchInputVolumeControl = 0x0e,
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ALCVolume = 0x0f,
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_Reserved_0x10 = 0x10,
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RchMicGainSetting = 0x11,
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BeepControl = 0x12,
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LchDigitalVolumeControl = 0x13,
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RchDigitalVolumeControl = 0x14,
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EQCommonGainSelect = 0x15,
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EQ2CommonGainSetting = 0x16,
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EQ3CommonGainSetting = 0x17,
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EQ4CommonGainSetting = 0x18,
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EQ5CommonGainSetting = 0x19,
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AutoHPFControl = 0x1a,
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DigitalFilterSelect1 = 0x1b,
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DigitalFilterSelect2 = 0x1c,
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DigitalFilterMode = 0x1d,
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HPF2Coefficient0 = 0x1e,
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HPF2Coefficient1 = 0x1f,
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HPF2Coefficient2 = 0x20,
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HPF2Coefficient3 = 0x21,
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LPFCoefficient0 = 0x22,
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LPFCoefficient1 = 0x23,
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LPFCoefficient2 = 0x24,
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LPFCoefficient3 = 0x25,
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FIL3Coefficient0 = 0x26,
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FIL3Coefficient1 = 0x27,
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FIL3Coefficient2 = 0x28,
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FIL3Coefficient3 = 0x29,
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EQCoefficient0 = 0x2a,
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EQCoefficient1 = 0x2b,
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EQCoefficient2 = 0x2c,
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EQCoefficient3 = 0x2d,
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EQCoefficient4 = 0x2e,
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EQCoefficient5 = 0x2f,
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DigitalFilterSelect3 = 0x30,
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DeviceInformation = 0x31,
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E1Coefficient0 = 0x32,
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E1Coefficient1 = 0x33,
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E1Coefficient2 = 0x34,
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E1Coefficient3 = 0x35,
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E1Coefficient4 = 0x36,
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E1Coefficient5 = 0x37,
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E2Coefficient0 = 0x38,
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E2Coefficient1 = 0x39,
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E2Coefficient2 = 0x3a,
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E2Coefficient3 = 0x3b,
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E2Coefficient4 = 0x3c,
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E2Coefficient5 = 0x3d,
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E3Coefficient0 = 0x3e,
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E3Coefficient1 = 0x3f,
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E3Coefficient2 = 0x40,
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E3Coefficient3 = 0x41,
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E3Coefficient4 = 0x42,
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E3Coefficient5 = 0x43,
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E4Coefficient0 = 0x44,
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E4Coefficient1 = 0x45,
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E4Coefficient2 = 0x46,
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E4Coefficient3 = 0x47,
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E4Coefficient4 = 0x48,
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E4Coefficient5 = 0x49,
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E5Coefficient0 = 0x4a,
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E5Coefficient1 = 0x4b,
|
||||
E5Coefficient2 = 0x4c,
|
||||
E5Coefficient3 = 0x4d,
|
||||
E5Coefficient4 = 0x4e,
|
||||
E5Coefficient5 = 0x4f,
|
||||
_count,
|
||||
};
|
||||
|
||||
static_assert(toUType(Register::_count) == reg_count, "Register::_count != reg_count");
|
||||
|
||||
struct PowerManagement1 {
|
||||
reg_t PMADL : 1;
|
||||
reg_t PMADR : 1;
|
||||
reg_t PMDAC : 1;
|
||||
reg_t reserved0 : 2;
|
||||
reg_t PMBP : 1;
|
||||
reg_t PMVCM : 1;
|
||||
reg_t PMPFIL : 1;
|
||||
};
|
||||
|
||||
static_assert(sizeof(PowerManagement1) == sizeof(reg_t), "wrong size `struct");
|
||||
|
||||
struct PowerManagement2 {
|
||||
reg_t LOSEL : 1;
|
||||
reg_t PMSL : 1;
|
||||
reg_t PMPLL : 1;
|
||||
reg_t MS : 1;
|
||||
reg_t PMHPL : 1;
|
||||
reg_t PMHPR : 1;
|
||||
reg_t reserved0 : 1;
|
||||
reg_t PMOSC : 1;
|
||||
};
|
||||
|
||||
static_assert(sizeof(PowerManagement2) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct SignalSelect1 {
|
||||
reg_t MGAIN20 : 3;
|
||||
reg_t PMMP : 1;
|
||||
reg_t MPSEL : 1;
|
||||
reg_t DACS : 1;
|
||||
reg_t MGAIN3 : 1;
|
||||
reg_t SLPSN : 1;
|
||||
};
|
||||
|
||||
static_assert(sizeof(SignalSelect1) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct SignalSelect2 {
|
||||
reg_t INR : 2;
|
||||
reg_t INL : 2;
|
||||
reg_t MICL : 1;
|
||||
reg_t reserved0 : 1;
|
||||
reg_t SPKG : 2;
|
||||
};
|
||||
|
||||
static_assert(sizeof(SignalSelect2) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct SignalSelect3 {
|
||||
reg_t MONO : 2;
|
||||
reg_t PTS : 2;
|
||||
reg_t reserved0 : 1;
|
||||
reg_t DACL : 1;
|
||||
reg_t LVCM : 2;
|
||||
};
|
||||
|
||||
static_assert(sizeof(SignalSelect3) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct ModeControl1 {
|
||||
reg_t DIF : 2;
|
||||
reg_t CKOFF : 1;
|
||||
reg_t BCKO : 1;
|
||||
reg_t PLL : 4;
|
||||
};
|
||||
|
||||
static_assert(sizeof(ModeControl1) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct ModeControl2 {
|
||||
reg_t FS : 4;
|
||||
reg_t reserved0 : 2;
|
||||
reg_t CM : 2;
|
||||
};
|
||||
|
||||
static_assert(sizeof(ModeControl2) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct ModeControl3 {
|
||||
reg_t reserved0 : 2;
|
||||
reg_t IVOLC : 1;
|
||||
reg_t reserved1 : 1;
|
||||
reg_t DVOLC : 1;
|
||||
reg_t SMUTE : 1;
|
||||
reg_t THDET : 1;
|
||||
reg_t TSDSEL : 1;
|
||||
};
|
||||
|
||||
static_assert(sizeof(ModeControl3) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct DigitalMIC {
|
||||
reg_t DMIC : 1;
|
||||
reg_t DCLKP : 1;
|
||||
reg_t reserved0 : 1;
|
||||
reg_t DCLKE : 1;
|
||||
reg_t PMDML : 1;
|
||||
reg_t PMDMR : 1;
|
||||
reg_t reserved1 : 1;
|
||||
reg_t READ : 1;
|
||||
};
|
||||
|
||||
static_assert(sizeof(DigitalMIC) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct TimerSelect {
|
||||
reg_t DVTM : 1;
|
||||
reg_t MOFF : 1;
|
||||
reg_t reserved0 : 2;
|
||||
reg_t FRN : 1;
|
||||
reg_t FRATT : 1;
|
||||
reg_t ADRST : 2;
|
||||
};
|
||||
|
||||
static_assert(sizeof(TimerSelect) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct ALCTimerSelect {
|
||||
reg_t RFST : 2;
|
||||
reg_t WTM : 2;
|
||||
reg_t EQFC : 2;
|
||||
reg_t IVTM : 1;
|
||||
reg_t reserved0 : 1;
|
||||
};
|
||||
|
||||
static_assert(sizeof(ALCTimerSelect) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct ALCModeControl1 {
|
||||
reg_t LMTH10 : 2;
|
||||
reg_t RGAIN : 3;
|
||||
reg_t ALC : 1;
|
||||
reg_t LMTH2 : 1;
|
||||
reg_t ALCEQN : 1;
|
||||
};
|
||||
|
||||
static_assert(sizeof(ALCModeControl1) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct ALCModeControl2 {
|
||||
reg_t REF : 8;
|
||||
};
|
||||
|
||||
static_assert(sizeof(ALCModeControl2) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct InputVolumeControl {
|
||||
reg_t IV : 8;
|
||||
};
|
||||
|
||||
static_assert(sizeof(InputVolumeControl) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
using LchInputVolumeControl = InputVolumeControl;
|
||||
using RchInputVolumeControl = InputVolumeControl;
|
||||
|
||||
struct ALCVolume {
|
||||
reg_t VOL : 8;
|
||||
};
|
||||
|
||||
static_assert(sizeof(ALCVolume) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct RchMICGainSetting {
|
||||
reg_t MGR : 8;
|
||||
};
|
||||
|
||||
static_assert(sizeof(RchMICGainSetting) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct BeepControl {
|
||||
reg_t BPLVL : 4;
|
||||
reg_t BEEPH : 1;
|
||||
reg_t BEEPS : 1;
|
||||
reg_t BPVCM : 1;
|
||||
reg_t HPZ : 1;
|
||||
};
|
||||
|
||||
static_assert(sizeof(BeepControl) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct DigitalVolumeControl {
|
||||
reg_t DV : 8;
|
||||
};
|
||||
|
||||
static_assert(sizeof(DigitalVolumeControl) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
using LchDigitalVolumeControl = DigitalVolumeControl;
|
||||
using RchDigitalVolumeControl = DigitalVolumeControl;
|
||||
|
||||
struct EQCommonGainSelect {
|
||||
reg_t reserved0 : 1;
|
||||
reg_t EQC2 : 1;
|
||||
reg_t EQC3 : 1;
|
||||
reg_t EQC4 : 1;
|
||||
reg_t EQC5 : 1;
|
||||
reg_t reserved1 : 3;
|
||||
};
|
||||
|
||||
static_assert(sizeof(EQCommonGainSelect) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct EQCommonGainSetting {
|
||||
reg_t EQnT : 2;
|
||||
reg_t EQnG : 6;
|
||||
};
|
||||
|
||||
static_assert(sizeof(EQCommonGainSetting) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
using EQ2CommonGainSetting = EQCommonGainSetting;
|
||||
using EQ3CommonGainSetting = EQCommonGainSetting;
|
||||
using EQ4CommonGainSetting = EQCommonGainSetting;
|
||||
using EQ5CommonGainSetting = EQCommonGainSetting;
|
||||
|
||||
struct AutoHPFControl {
|
||||
reg_t STG : 2;
|
||||
reg_t SENC : 3;
|
||||
reg_t AHPF : 1;
|
||||
reg_t reserved0 : 2;
|
||||
};
|
||||
|
||||
static_assert(sizeof(AutoHPFControl) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct DigitalFilterSelect1 {
|
||||
reg_t HPFAD : 1;
|
||||
reg_t HPFC : 2;
|
||||
reg_t reserved0 : 5;
|
||||
};
|
||||
|
||||
static_assert(sizeof(DigitalFilterSelect1) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct DigitalFilterSelect2 {
|
||||
reg_t HPF : 1;
|
||||
reg_t LPF : 1;
|
||||
reg_t reserved0 : 2;
|
||||
reg_t FIL3 : 1;
|
||||
reg_t EQ0 : 1;
|
||||
reg_t GN : 2;
|
||||
};
|
||||
|
||||
static_assert(sizeof(DigitalFilterSelect2) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct DigitalFilterMode {
|
||||
reg_t PFSDO : 1;
|
||||
reg_t ADCPF : 1;
|
||||
reg_t PFDAC : 2;
|
||||
reg_t PFVOL : 2;
|
||||
reg_t reserved0 : 2;
|
||||
};
|
||||
|
||||
static_assert(sizeof(DigitalFilterMode) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct Coefficient14L {
|
||||
reg_t l : 8;
|
||||
};
|
||||
|
||||
struct Coefficient14H {
|
||||
reg_t h : 6;
|
||||
reg_t reserved0 : 2;
|
||||
};
|
||||
|
||||
static_assert(sizeof(Coefficient14L) == sizeof(reg_t), "wrong size struct");
|
||||
static_assert(sizeof(Coefficient14H) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
using Coefficient16L = Coefficient14L;
|
||||
|
||||
struct Coefficient16H {
|
||||
reg_t h : 8;
|
||||
};
|
||||
|
||||
static_assert(sizeof(Coefficient16H) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
using HPF2Coefficient0 = Coefficient14L;
|
||||
using HPF2Coefficient1 = Coefficient14H;
|
||||
using HPF2Coefficient2 = Coefficient14L;
|
||||
using HPF2Coefficient3 = Coefficient14H;
|
||||
|
||||
using LPFCoefficient0 = Coefficient14L;
|
||||
using LPFCoefficient1 = Coefficient14H;
|
||||
using LPFCoefficient2 = Coefficient14L;
|
||||
using LPFCoefficient3 = Coefficient14H;
|
||||
|
||||
using FIL3Coefficient0 = Coefficient14L;
|
||||
|
||||
struct FIL3Coefficient1 {
|
||||
reg_t h : 6;
|
||||
reg_t reserved0 : 1;
|
||||
reg_t s : 1;
|
||||
};
|
||||
|
||||
static_assert(sizeof(FIL3Coefficient1) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
using FIL3Coefficient2 = Coefficient14L;
|
||||
using FIL3Coefficient3 = Coefficient14H;
|
||||
|
||||
using EQCoefficient0 = Coefficient16L;
|
||||
using EQCoefficient1 = Coefficient16H;
|
||||
using EQCoefficient2 = Coefficient14L;
|
||||
using EQCoefficient3 = Coefficient14H;
|
||||
using EQCoefficient4 = Coefficient16L;
|
||||
using EQCoefficient5 = Coefficient16H;
|
||||
|
||||
struct DigitalFilterSelect3 {
|
||||
reg_t EQ1 : 1;
|
||||
reg_t EQ2 : 1;
|
||||
reg_t EQ3 : 1;
|
||||
reg_t EQ4 : 1;
|
||||
reg_t EQ5 : 1;
|
||||
reg_t reserved0 : 3;
|
||||
};
|
||||
|
||||
static_assert(sizeof(DigitalFilterSelect3) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
struct DeviceInformation {
|
||||
reg_t DVN : 4;
|
||||
reg_t REV : 4;
|
||||
};
|
||||
|
||||
static_assert(sizeof(DeviceInformation) == sizeof(reg_t), "wrong size struct");
|
||||
|
||||
using E1Coefficient0 = Coefficient16L;
|
||||
using E1Coefficient1 = Coefficient16H;
|
||||
using E1Coefficient2 = Coefficient16L;
|
||||
using E1Coefficient3 = Coefficient16H;
|
||||
using E1Coefficient4 = Coefficient16L;
|
||||
using E1Coefficient5 = Coefficient16H;
|
||||
|
||||
using E2Coefficient0 = Coefficient16L;
|
||||
using E2Coefficient1 = Coefficient16H;
|
||||
using E2Coefficient2 = Coefficient16L;
|
||||
using E2Coefficient3 = Coefficient16H;
|
||||
using E2Coefficient4 = Coefficient16L;
|
||||
using E2Coefficient5 = Coefficient16H;
|
||||
|
||||
using E3Coefficient0 = Coefficient16L;
|
||||
using E3Coefficient1 = Coefficient16H;
|
||||
using E3Coefficient2 = Coefficient16L;
|
||||
using E3Coefficient3 = Coefficient16H;
|
||||
using E3Coefficient4 = Coefficient16L;
|
||||
using E3Coefficient5 = Coefficient16H;
|
||||
|
||||
using E4Coefficient0 = Coefficient16L;
|
||||
using E4Coefficient1 = Coefficient16H;
|
||||
using E4Coefficient2 = Coefficient16L;
|
||||
using E4Coefficient3 = Coefficient16H;
|
||||
using E4Coefficient4 = Coefficient16L;
|
||||
using E4Coefficient5 = Coefficient16H;
|
||||
|
||||
using E5Coefficient0 = Coefficient16L;
|
||||
using E5Coefficient1 = Coefficient16H;
|
||||
using E5Coefficient2 = Coefficient16L;
|
||||
using E5Coefficient3 = Coefficient16H;
|
||||
using E5Coefficient4 = Coefficient16L;
|
||||
using E5Coefficient5 = Coefficient16H;
|
||||
|
||||
struct Register_Type {
|
||||
PowerManagement1 power_management_1;
|
||||
PowerManagement2 power_management_2;
|
||||
SignalSelect1 signal_select_1;
|
||||
SignalSelect2 signal_select_2;
|
||||
SignalSelect3 signal_select_3;
|
||||
ModeControl1 mode_control_1;
|
||||
ModeControl2 mode_control_2;
|
||||
ModeControl3 mode_control_3;
|
||||
DigitalMIC digital_mic;
|
||||
TimerSelect timer_select;
|
||||
ALCTimerSelect alc_timer_select;
|
||||
ALCModeControl1 alc_mode_control_1;
|
||||
ALCModeControl2 alc_mode_control_2;
|
||||
LchInputVolumeControl l_ch_input_volume_control;
|
||||
RchInputVolumeControl r_ch_input_volume_control;
|
||||
ALCVolume alc_volume;
|
||||
reg_t _reserved_0x10;
|
||||
RchMICGainSetting r_ch_mic_gain_setting;
|
||||
BeepControl beep_control;
|
||||
LchDigitalVolumeControl l_ch_digital_volume_control;
|
||||
RchDigitalVolumeControl r_ch_digital_volume_control;
|
||||
EQCommonGainSelect eq_common_gain_select;
|
||||
EQ2CommonGainSetting eq2_common_gain_setting;
|
||||
EQ3CommonGainSetting eq3_common_gain_setting;
|
||||
EQ4CommonGainSetting eq4_common_gain_setting;
|
||||
EQ5CommonGainSetting eq5_common_gain_setting;
|
||||
AutoHPFControl auto_hpf_control;
|
||||
DigitalFilterSelect1 digital_filter_select_1;
|
||||
DigitalFilterSelect2 digital_filter_select_2;
|
||||
DigitalFilterMode digital_filter_mode;
|
||||
HPF2Coefficient0 hpf_2_coefficient_0;
|
||||
HPF2Coefficient1 hpf_2_coefficient_1;
|
||||
HPF2Coefficient2 hpf_2_coefficient_2;
|
||||
HPF2Coefficient3 hpf_2_coefficient_3;
|
||||
LPFCoefficient0 lpf_coefficient_0;
|
||||
LPFCoefficient1 lpf_coefficient_1;
|
||||
LPFCoefficient2 lpf_coefficient_2;
|
||||
LPFCoefficient3 lpf_coefficient_3;
|
||||
FIL3Coefficient0 fil_3_coefficient_0;
|
||||
FIL3Coefficient1 fil_3_coefficient_1;
|
||||
FIL3Coefficient2 fil_3_coefficient_2;
|
||||
FIL3Coefficient3 fil_3_coefficient_3;
|
||||
EQCoefficient0 eq_coefficient_0;
|
||||
EQCoefficient1 eq_coefficient_1;
|
||||
EQCoefficient2 eq_coefficient_2;
|
||||
EQCoefficient3 eq_coefficient_3;
|
||||
EQCoefficient4 eq_coefficient_4;
|
||||
EQCoefficient5 eq_coefficient_5;
|
||||
DigitalFilterSelect3 digital_filter_select_3;
|
||||
DeviceInformation device_information;
|
||||
E1Coefficient0 e1_coefficient_0;
|
||||
E1Coefficient1 e1_coefficient_1;
|
||||
E1Coefficient2 e1_coefficient_2;
|
||||
E1Coefficient3 e1_coefficient_3;
|
||||
E1Coefficient4 e1_coefficient_4;
|
||||
E1Coefficient5 e1_coefficient_5;
|
||||
E2Coefficient0 e2_coefficient_0;
|
||||
E2Coefficient1 e2_coefficient_1;
|
||||
E2Coefficient2 e2_coefficient_2;
|
||||
E2Coefficient3 e2_coefficient_3;
|
||||
E2Coefficient4 e2_coefficient_4;
|
||||
E2Coefficient5 e2_coefficient_5;
|
||||
E3Coefficient0 e3_coefficient_0;
|
||||
E3Coefficient1 e3_coefficient_1;
|
||||
E3Coefficient2 e3_coefficient_2;
|
||||
E3Coefficient3 e3_coefficient_3;
|
||||
E3Coefficient4 e3_coefficient_4;
|
||||
E3Coefficient5 e3_coefficient_5;
|
||||
E4Coefficient0 e4_coefficient_0;
|
||||
E4Coefficient1 e4_coefficient_1;
|
||||
E4Coefficient2 e4_coefficient_2;
|
||||
E4Coefficient3 e4_coefficient_3;
|
||||
E4Coefficient4 e4_coefficient_4;
|
||||
E4Coefficient5 e4_coefficient_5;
|
||||
E5Coefficient0 e5_coefficient_0;
|
||||
E5Coefficient1 e5_coefficient_1;
|
||||
E5Coefficient2 e5_coefficient_2;
|
||||
E5Coefficient3 e5_coefficient_3;
|
||||
E5Coefficient4 e5_coefficient_4;
|
||||
E5Coefficient5 e5_coefficient_5;
|
||||
};
|
||||
|
||||
static_assert(sizeof(Register_Type) == reg_count * sizeof(reg_t), "Register_Type wrong size");
|
||||
|
||||
struct RegisterMap {
|
||||
constexpr RegisterMap(
|
||||
Register_Type values
|
||||
) : r(values)
|
||||
{
|
||||
}
|
||||
|
||||
union {
|
||||
Register_Type r;
|
||||
std::array<reg_t, reg_count> w;
|
||||
};
|
||||
};
|
||||
|
||||
static_assert(sizeof(RegisterMap) == reg_count * sizeof(reg_t), "RegisterMap type wrong size");
|
||||
|
||||
constexpr RegisterMap default_after_reset { Register_Type {
|
||||
.power_management_1 = {
|
||||
.PMADL = 0,
|
||||
.PMADR = 0,
|
||||
.PMDAC = 0,
|
||||
.reserved0 = 0,
|
||||
.PMBP = 0,
|
||||
.PMVCM = 0,
|
||||
.PMPFIL = 0,
|
||||
},
|
||||
.power_management_2 = {
|
||||
.LOSEL = 0,
|
||||
.PMSL = 0,
|
||||
.PMPLL = 0,
|
||||
.MS = 0,
|
||||
.PMHPL = 0,
|
||||
.PMHPR = 0,
|
||||
.reserved0 = 0,
|
||||
.PMOSC = 0,
|
||||
},
|
||||
.signal_select_1 = {
|
||||
.MGAIN20 = 0b110,
|
||||
.PMMP = 0,
|
||||
.MPSEL = 0,
|
||||
.DACS = 0,
|
||||
.MGAIN3 = 0,
|
||||
.SLPSN = 0,
|
||||
},
|
||||
.signal_select_2 = {
|
||||
.INR = 0b00,
|
||||
.INL = 0b00,
|
||||
.MICL = 0,
|
||||
.reserved0 = 0,
|
||||
.SPKG = 0b00,
|
||||
},
|
||||
.signal_select_3 = {
|
||||
.MONO = 0b00,
|
||||
.PTS = 0b01,
|
||||
.reserved0 = 0,
|
||||
.DACL = 0,
|
||||
.LVCM = 0b01,
|
||||
},
|
||||
.mode_control_1 = {
|
||||
.DIF = 0b10,
|
||||
.CKOFF = 0,
|
||||
.BCKO = 0,
|
||||
.PLL = 0b0101,
|
||||
},
|
||||
.mode_control_2 = {
|
||||
.FS = 0b1011,
|
||||
.reserved0 = 0,
|
||||
.CM = 0b00,
|
||||
},
|
||||
.mode_control_3 = {
|
||||
.reserved0 = 0,
|
||||
.IVOLC = 1,
|
||||
.reserved1 = 0,
|
||||
.DVOLC = 1,
|
||||
.SMUTE = 0,
|
||||
.THDET = 0,
|
||||
.TSDSEL = 0,
|
||||
},
|
||||
.digital_mic = {
|
||||
.DMIC = 0,
|
||||
.DCLKP = 0,
|
||||
.reserved0 = 0,
|
||||
.DCLKE = 0,
|
||||
.PMDML = 0,
|
||||
.PMDMR = 1,
|
||||
.reserved1 = 0,
|
||||
.READ = 0,
|
||||
},
|
||||
.timer_select = {
|
||||
.DVTM = 0,
|
||||
.MOFF = 0,
|
||||
.reserved0 = 0,
|
||||
.FRN = 0,
|
||||
.FRATT = 0,
|
||||
.ADRST = 0b00,
|
||||
},
|
||||
.alc_timer_select = {
|
||||
.RFST = 0b00,
|
||||
.WTM = 0b00,
|
||||
.EQFC = 0b10,
|
||||
.IVTM = 1,
|
||||
.reserved0 = 0,
|
||||
},
|
||||
.alc_mode_control_1 = {
|
||||
.LMTH10 = 0b00,
|
||||
.RGAIN = 0b000,
|
||||
.ALC = 0,
|
||||
.LMTH2 = 0,
|
||||
.ALCEQN = 0,
|
||||
},
|
||||
.alc_mode_control_2 = {
|
||||
.REF = 0xe1,
|
||||
},
|
||||
.l_ch_input_volume_control = {
|
||||
.IV = 0xe1,
|
||||
},
|
||||
.r_ch_input_volume_control = {
|
||||
.IV = 0xe1,
|
||||
},
|
||||
.alc_volume = {
|
||||
.VOL = 0x00, // Read-only.
|
||||
},
|
||||
._reserved_0x10 = 0x80,
|
||||
.r_ch_mic_gain_setting = {
|
||||
.MGR = 0x80,
|
||||
},
|
||||
.beep_control = {
|
||||
.BPLVL = 0b0000,
|
||||
.BEEPH = 0,
|
||||
.BEEPS = 0,
|
||||
.BPVCM = 0,
|
||||
.HPZ = 0,
|
||||
},
|
||||
.l_ch_digital_volume_control = {
|
||||
.DV = 0x18,
|
||||
},
|
||||
.r_ch_digital_volume_control = {
|
||||
.DV = 0x18,
|
||||
},
|
||||
.eq_common_gain_select = {
|
||||
.reserved0 = 0,
|
||||
.EQC2 = 0,
|
||||
.EQC3 = 0,
|
||||
.EQC4 = 0,
|
||||
.EQC5 = 0,
|
||||
.reserved1 = 0,
|
||||
},
|
||||
.eq2_common_gain_setting = {
|
||||
.EQnT = 0b00,
|
||||
.EQnG = 0b000000,
|
||||
},
|
||||
.eq3_common_gain_setting = {
|
||||
.EQnT = 0b00,
|
||||
.EQnG = 0b000000,
|
||||
},
|
||||
.eq4_common_gain_setting = {
|
||||
.EQnT = 0b00,
|
||||
.EQnG = 0b000000,
|
||||
},
|
||||
.eq5_common_gain_setting = {
|
||||
.EQnT = 0b00,
|
||||
.EQnG = 0b000000,
|
||||
},
|
||||
.auto_hpf_control = {
|
||||
.STG = 0b00,
|
||||
.SENC = 0b011,
|
||||
.AHPF = 0,
|
||||
.reserved0 = 0,
|
||||
},
|
||||
.digital_filter_select_1 = {
|
||||
.HPFAD = 1,
|
||||
.HPFC = 0b00,
|
||||
.reserved0 = 0,
|
||||
},
|
||||
.digital_filter_select_2 = {
|
||||
.HPF = 0,
|
||||
.LPF = 0,
|
||||
.reserved0 = 0,
|
||||
.FIL3 = 0,
|
||||
.EQ0 = 0,
|
||||
.GN = 0b00,
|
||||
},
|
||||
.digital_filter_mode = {
|
||||
.PFSDO = 1,
|
||||
.ADCPF = 1,
|
||||
.PFDAC = 0b00,
|
||||
.PFVOL = 0b00,
|
||||
.reserved0 = 0,
|
||||
},
|
||||
|
||||
.hpf_2_coefficient_0 = { .l = 0xb0 },
|
||||
.hpf_2_coefficient_1 = { .h = 0x1f, .reserved0 = 0 },
|
||||
.hpf_2_coefficient_2 = { .l = 0x9f },
|
||||
.hpf_2_coefficient_3 = { .h = 0x20, .reserved0 = 0 },
|
||||
|
||||
.lpf_coefficient_0 = { .l = 0x00 },
|
||||
.lpf_coefficient_1 = { .h = 0x00, .reserved0 = 0 },
|
||||
.lpf_coefficient_2 = { .l = 0x00 },
|
||||
.lpf_coefficient_3 = { .h = 0x00, .reserved0 = 0 },
|
||||
|
||||
.fil_3_coefficient_0 = { .l = 0x00 },
|
||||
.fil_3_coefficient_1 = { .h = 0x00, .reserved0 = 0, .s = 0 },
|
||||
.fil_3_coefficient_2 = { .l = 0x00 },
|
||||
.fil_3_coefficient_3 = { .h = 0x00, .reserved0 = 0 },
|
||||
|
||||
.eq_coefficient_0 = { .l = 0x00 },
|
||||
.eq_coefficient_1 = { .h = 0x00 },
|
||||
.eq_coefficient_2 = { .l = 0x00 },
|
||||
.eq_coefficient_3 = { .h = 0x00, .reserved0 = 0 },
|
||||
.eq_coefficient_4 = { .l = 0x00 },
|
||||
.eq_coefficient_5 = { .h = 0x00 },
|
||||
|
||||
.digital_filter_select_3 = {
|
||||
.EQ1 = 0,
|
||||
.EQ2 = 0,
|
||||
.EQ3 = 0,
|
||||
.EQ4 = 0,
|
||||
.EQ5 = 0,
|
||||
.reserved0 = 0,
|
||||
},
|
||||
.device_information = {
|
||||
.DVN = 0b0001,
|
||||
.REV = 0b1100,
|
||||
},
|
||||
|
||||
.e1_coefficient_0 = { .l = 0x00 },
|
||||
.e1_coefficient_1 = { .h = 0x00 },
|
||||
.e1_coefficient_2 = { .l = 0x00 },
|
||||
.e1_coefficient_3 = { .h = 0x00 },
|
||||
.e1_coefficient_4 = { .l = 0x00 },
|
||||
.e1_coefficient_5 = { .h = 0x00 },
|
||||
|
||||
.e2_coefficient_0 = { .l = 0x00 },
|
||||
.e2_coefficient_1 = { .h = 0x00 },
|
||||
.e2_coefficient_2 = { .l = 0x00 },
|
||||
.e2_coefficient_3 = { .h = 0x00 },
|
||||
.e2_coefficient_4 = { .l = 0x00 },
|
||||
.e2_coefficient_5 = { .h = 0x00 },
|
||||
|
||||
.e3_coefficient_0 = { .l = 0x00 },
|
||||
.e3_coefficient_1 = { .h = 0x00 },
|
||||
.e3_coefficient_2 = { .l = 0x00 },
|
||||
.e3_coefficient_3 = { .h = 0x00 },
|
||||
.e3_coefficient_4 = { .l = 0x00 },
|
||||
.e3_coefficient_5 = { .h = 0x00 },
|
||||
|
||||
.e4_coefficient_0 = { .l = 0x00 },
|
||||
.e4_coefficient_1 = { .h = 0x00 },
|
||||
.e4_coefficient_2 = { .l = 0x00 },
|
||||
.e4_coefficient_3 = { .h = 0x00 },
|
||||
.e4_coefficient_4 = { .l = 0x00 },
|
||||
.e4_coefficient_5 = { .h = 0x00 },
|
||||
|
||||
.e5_coefficient_0 = { .l = 0x00 },
|
||||
.e5_coefficient_1 = { .h = 0x00 },
|
||||
.e5_coefficient_2 = { .l = 0x00 },
|
||||
.e5_coefficient_3 = { .h = 0x00 },
|
||||
.e5_coefficient_4 = { .l = 0x00 },
|
||||
.e5_coefficient_5 = { .h = 0x00 },
|
||||
} };
|
||||
|
||||
class AK4951 : public audio::Codec {
|
||||
public:
|
||||
constexpr AK4951(
|
||||
I2C& bus,
|
||||
const I2C::address_t bus_address
|
||||
) : bus(bus),
|
||||
bus_address(bus_address)
|
||||
{
|
||||
}
|
||||
|
||||
std::string name() const override {
|
||||
return "AK4951";
|
||||
}
|
||||
|
||||
void init() override;
|
||||
bool reset() override;
|
||||
|
||||
volume_range_t headphone_gain_range() const override {
|
||||
return { -89.5_dB, 12.0_dB };
|
||||
}
|
||||
|
||||
void headphone_enable() override;
|
||||
void headphone_disable() override;
|
||||
|
||||
void speaker_enable();
|
||||
void speaker_disable();
|
||||
|
||||
void set_headphone_volume(const volume_t volume) override;
|
||||
void headphone_mute();
|
||||
|
||||
void microphone_enable();
|
||||
void microphone_disable();
|
||||
|
||||
size_t reg_count() const override {
|
||||
return asahi_kasei::ak4951::reg_count;
|
||||
}
|
||||
|
||||
size_t reg_bits() const override {
|
||||
return 8;
|
||||
}
|
||||
|
||||
uint32_t reg_read(const size_t reg_address) override {
|
||||
return read(reg_address);
|
||||
}
|
||||
|
||||
private:
|
||||
I2C& bus;
|
||||
const I2C::address_t bus_address;
|
||||
RegisterMap map { default_after_reset };
|
||||
|
||||
enum class LineOutSelect {
|
||||
Speaker,
|
||||
Line,
|
||||
};
|
||||
|
||||
void configure_digital_interface();
|
||||
void set_digtal_volume_control(const reg_t value);
|
||||
void set_dac_power(const bool enable);
|
||||
void set_headphone_power(const bool enable);
|
||||
void set_speaker_power(const bool enable);
|
||||
void select_line_out(const LineOutSelect value);
|
||||
|
||||
reg_t read(const address_t reg_address);
|
||||
void update(const Register reg);
|
||||
void write(const address_t reg_address, const reg_t value);
|
||||
};
|
||||
|
||||
} /* namespace ak4951 */
|
||||
} /* namespace asahi_kasei */
|
||||
|
||||
#endif/*__AK4951_H__*/
|
||||
Loading…
Reference in New Issue
Block a user