170 lines
7.0 KiB
C++
170 lines
7.0 KiB
C++
#ifndef __JABYENGINE_SPU_IO_HPP__
|
|
#define __JABYENGINE_SPU_IO_HPP__
|
|
#include "ioport.hpp"
|
|
|
|
namespace JabyEngine {
|
|
namespace SPU_IO {
|
|
enum struct Mode {
|
|
Linear = 0,
|
|
Exponential = 1,
|
|
};
|
|
|
|
enum struct Direction {
|
|
Increase = 0,
|
|
Decrease = 1,
|
|
};
|
|
|
|
enum struct Phase {
|
|
Posititve = 0,
|
|
Negative = 1,
|
|
};
|
|
|
|
//0..0x1F = Fast..Slow
|
|
typedef uint8_t Shift;
|
|
|
|
//0..3 = +7, +6, +5, +4 or -6, -7, -6, -5
|
|
typedef uint8_t Step;
|
|
|
|
typedef int16_t SimpleVolume;
|
|
|
|
struct __no_align SampleRate : public ComplexBitMap<uint16_t> {
|
|
__io_port_inherit_complex_bit_map(SampleRate);
|
|
|
|
static constexpr SampleRate from_HZ(double freq) {
|
|
//4096 == 44100Hz
|
|
constexpr double Base = (4096.0 / 44100.0);
|
|
|
|
return ComplexBitMap<uint16_t>{static_cast<uint16_t>((freq*Base))};
|
|
}
|
|
};
|
|
|
|
struct __no_align SweepVolume : public ComplexBitMap<int16_t> {
|
|
__io_port_inherit_complex_bit_map(SweepVolume);
|
|
|
|
// For Volume Mode
|
|
static constexpr auto SweepEnable = Bit<int16_t>(15);
|
|
static constexpr auto VolumeEnable = !SweepEnable;
|
|
static constexpr auto Volume = BitRange<int16_t>::from_to(0, 14);
|
|
|
|
// For Sweep Mode
|
|
static constexpr auto SweepMode = Bit<Mode>(14);
|
|
static constexpr auto SweepDirection = Bit<Direction>(13);
|
|
static constexpr auto SweepPhase = Bit<Phase>(12);
|
|
static constexpr auto SweepShift = BitRange<Shift>::from_to(2, 6);
|
|
static constexpr auto SweepStep = BitRange<Step>::from_to(0, 1);
|
|
};
|
|
|
|
struct __no_align SR : public ComplexBitMap<uint16_t> {
|
|
__io_port_inherit_complex_bit_map(SR);
|
|
|
|
static constexpr auto SustainMode = Bit<Mode>(31 - 16);
|
|
static constexpr auto SustainDirection = Bit<Direction>(30 - 16);
|
|
static constexpr auto SustainShift = BitRange<Shift>::from_to((24 - 16), (28 - 16));
|
|
static constexpr auto SustainStep = BitRange<Step>::from_to((22 - 16), (23 - 16));
|
|
static constexpr auto ReleaseMode = Bit<Mode>(21 - 16);
|
|
static constexpr auto ReleaseShift = BitRange<Shift>::from_to((16 - 16), (20 - 16));
|
|
};
|
|
|
|
struct __no_align AD : public ComplexBitMap<uint16_t> {
|
|
__io_port_inherit_complex_bit_map(AD);
|
|
|
|
static constexpr auto AttackMode = Bit<Mode>(15);
|
|
static constexpr auto AttackShift = BitRange<Shift>::from_to(10, 14);
|
|
static constexpr auto AttackStep = BitRange<Step>::from_to(8, 9);
|
|
static constexpr auto DecayShift = BitRange<Shift>::from_to(4, 7);
|
|
static constexpr auto SustainLevel = BitRange<uint16_t>::from_to(0, 3);
|
|
};
|
|
|
|
struct __no_align Voice {
|
|
IOPort<SweepVolume> volumeLeft; //Offset: 0x0
|
|
IOPort<SweepVolume> volumeRight; //Offset: 0x2
|
|
IOPort<SampleRate> sampleRate; //Offset: 0x4;
|
|
IOPort<uint16_t> adr; //Offset: 0x6
|
|
IOPort<AD> ad; //Offset: 0x8
|
|
IOPort<SR> sr; //Offset: 0xA
|
|
IOPort<SimpleVolume> currentVolume; //Offset: 0xC
|
|
IOPort<uint16_t> repeatAdr; //Offset: 0xE
|
|
};
|
|
|
|
struct __no_align ControlRegister : public ComplexBitMap<uint16_t> {
|
|
__io_port_inherit_complex_bit_map(ControlRegister);
|
|
|
|
enum RAMTransferMode {
|
|
Stop = 0,
|
|
ManualWrite = 1,
|
|
DMAWrite = 2,
|
|
DMARead = 3
|
|
};
|
|
|
|
static constexpr auto Enable = Bit<uint16_t>(15);
|
|
static constexpr auto Unmute = Bit<uint16_t>(14);
|
|
static constexpr auto NoiseFrequcenyShift = BitRange<Shift>::from_to(10, 13);
|
|
static constexpr auto NoiseFrequcenyStep = BitRange<Step>::from_to(8, 9);
|
|
static constexpr auto ReverbMasterEnable = Bit<uint16_t>(7);
|
|
static constexpr auto IRQ9Enable = Bit<uint16_t>(6);
|
|
static constexpr auto TransferMode = BitRange<RAMTransferMode>::from_to(4, 5);
|
|
static constexpr auto ExternalAudioReverb = Bit<uint16_t>(3);
|
|
static constexpr auto CDAudioReverb = Bit<uint16_t>(2);
|
|
static constexpr auto ExternalAudioEnable = Bit<uint16_t>(1);
|
|
static constexpr auto CDAudioEnable = Bit<uint16_t>(0);
|
|
};
|
|
|
|
struct __no_align PitchModFlags : public ComplexBitMap<uint16_t> {
|
|
__io_port_inherit_complex_bit_map(PitchModFlags);
|
|
|
|
static constexpr BitRange<uint16_t> EnableBits = BitRange<uint16_t>::from_to(1, 23);
|
|
};
|
|
|
|
struct __no_align NoiseGenerator : public ComplexBitMap<uint16_t> {
|
|
__io_port_inherit_complex_bit_map(NoiseGenerator);
|
|
|
|
static constexpr BitRange<uint16_t> NoiseBits = BitRange<uint16_t>::from_to(0, 23);
|
|
};
|
|
|
|
struct __no_align EchoOn : public ComplexBitMap<uint16_t> {
|
|
__io_port_inherit_complex_bit_map(EchoOn);
|
|
|
|
static constexpr BitRange<uint16_t> EchoBits = BitRange<uint16_t>::from_to(0, 23);
|
|
};
|
|
|
|
static constexpr size_t VoiceCount = 24;
|
|
|
|
struct Key {
|
|
__declare_io_port_member(ubus32_t, On, 0x1F801D88);
|
|
__declare_io_port_member(ubus32_t, Off, 0x1F801D8C);
|
|
__declare_io_port_member(ubus32_t, Status, 0x1F801D9C);
|
|
};
|
|
|
|
struct MainVolume {
|
|
__declare_io_port_member(SweepVolume, Left, 0x1F801D80);
|
|
__declare_io_port_member(SweepVolume, Right, 0x1F801D82);
|
|
};
|
|
|
|
struct CDVolume {
|
|
__declare_io_port_member(SimpleVolume, Left, 0x1F801DB0);
|
|
__declare_io_port_member(SimpleVolume, Right, 0x1F801DB2);
|
|
};
|
|
|
|
struct ExternalAudioInputVolume {
|
|
__declare_io_port_member(SimpleVolume, Left, 0x1F801DB4);
|
|
__declare_io_port_member(SimpleVolume, Right, 0x1F801DB6);
|
|
};
|
|
|
|
struct Reverb {
|
|
struct Volume {
|
|
__declare_io_port_member(SimpleVolume, Left, 0x1F801D84);
|
|
__declare_io_port_member(SimpleVolume, Right, 0x1F801D86);
|
|
};
|
|
__declare_io_port_member(uint16_t, WorkAreaAdr, 0x1F801DA2);
|
|
};
|
|
|
|
__declare_io_port_global(ControlRegister, Control, 0x1F801DAA);
|
|
__declare_io_port_global(uint16_t, DataTransferControl, 0x1F801DAC);
|
|
__declare_io_port_global(PitchModFlags, PMON, 0x1F801D90);
|
|
__declare_io_port_global(NoiseGenerator, NON, 0x1F801D94);
|
|
__declare_io_port_global(EchoOn, EON, 0x1F801D98);
|
|
|
|
__declare_io_port_global_array(struct Voice, Voice, 0x1F801C00, VoiceCount);
|
|
}
|
|
}
|
|
#endif //!__JABYENGINE_SPU_IO_HPP__
|