portapack-mayhem/firmware/common/ak4951.hpp
2017-05-31 11:45:54 -07:00

883 lines
21 KiB
C++

/*
* Copyright (C) 2017 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* 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, 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.
*/
#ifndef __AK4951_H__
#define __AK4951_H__
#include <cstdint>
#include <array>
#include "utility.hpp"
#include "i2c_pp.hpp"
#include "audio.hpp"
namespace asahi_kasei {
namespace ak4951 {
using address_t = uint8_t;
using reg_t = uint8_t;
constexpr size_t reg_count = 0x50;
enum class Register : address_t {
PowerManagement1 = 0x00,
PowerManagement2 = 0x01,
SignalSelect1 = 0x02,
SignalSelect2 = 0x03,
SignalSelect3 = 0x04,
ModeControl1 = 0x05,
ModeControl2 = 0x06,
ModeControl3 = 0x07,
DigitalMic = 0x08,
TimerSelect = 0x09,
ALCTimerSelect = 0x0a,
ALCModeControl1 = 0x0b,
ALCModeControl2 = 0x0c,
LchInputVolumeControl = 0x0d,
RchInputVolumeControl = 0x0e,
ALCVolume = 0x0f,
_Reserved_0x10 = 0x10,
RchMicGainSetting = 0x11,
BeepControl = 0x12,
LchDigitalVolumeControl = 0x13,
RchDigitalVolumeControl = 0x14,
EQCommonGainSelect = 0x15,
EQ2CommonGainSetting = 0x16,
EQ3CommonGainSetting = 0x17,
EQ4CommonGainSetting = 0x18,
EQ5CommonGainSetting = 0x19,
AutoHPFControl = 0x1a,
DigitalFilterSelect1 = 0x1b,
DigitalFilterSelect2 = 0x1c,
DigitalFilterMode = 0x1d,
HPF2Coefficient0 = 0x1e,
HPF2Coefficient1 = 0x1f,
HPF2Coefficient2 = 0x20,
HPF2Coefficient3 = 0x21,
LPFCoefficient0 = 0x22,
LPFCoefficient1 = 0x23,
LPFCoefficient2 = 0x24,
LPFCoefficient3 = 0x25,
FIL3Coefficient0 = 0x26,
FIL3Coefficient1 = 0x27,
FIL3Coefficient2 = 0x28,
FIL3Coefficient3 = 0x29,
EQCoefficient0 = 0x2a,
EQCoefficient1 = 0x2b,
EQCoefficient2 = 0x2c,
EQCoefficient3 = 0x2d,
EQCoefficient4 = 0x2e,
EQCoefficient5 = 0x2f,
DigitalFilterSelect3 = 0x30,
DeviceInformation = 0x31,
E1Coefficient0 = 0x32,
E1Coefficient1 = 0x33,
E1Coefficient2 = 0x34,
E1Coefficient3 = 0x35,
E1Coefficient4 = 0x36,
E1Coefficient5 = 0x37,
E2Coefficient0 = 0x38,
E2Coefficient1 = 0x39,
E2Coefficient2 = 0x3a,
E2Coefficient3 = 0x3b,
E2Coefficient4 = 0x3c,
E2Coefficient5 = 0x3d,
E3Coefficient0 = 0x3e,
E3Coefficient1 = 0x3f,
E3Coefficient2 = 0x40,
E3Coefficient3 = 0x41,
E3Coefficient4 = 0x42,
E3Coefficient5 = 0x43,
E4Coefficient0 = 0x44,
E4Coefficient1 = 0x45,
E4Coefficient2 = 0x46,
E4Coefficient3 = 0x47,
E4Coefficient4 = 0x48,
E4Coefficient5 = 0x49,
E5Coefficient0 = 0x4a,
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__*/