jabyengine/include/PSX/System/IOPorts/timer_io.hpp

98 lines
5.0 KiB
C++

#ifndef __JABYENGINE_TIMER_IO_HPP__
#define __JABYENGINE_TIMER_IO_HPP__
#include "ioport.hpp"
namespace JabyEngine {
namespace Timer_IO {
struct CounterMode : public ComplexBitMap<uint32_t> {
static constexpr auto SyncEnable = Bit<uint32_t>(0);
static constexpr auto FreeRun = !SyncEnable;
static constexpr auto SyncMode = BitRange<uint32_t>::from_to(1, 2);
static constexpr auto ResetAfterTarget = Bit<uint32_t>(3);
static constexpr auto IRQAtTarget = Bit<uint32_t>(4);
static constexpr auto IRQAtMax = Bit<uint32_t>(5);
static constexpr auto IRQEveryTime = Bit<uint32_t>(6);
static constexpr auto IRQOneShot = !IRQEveryTime;
static constexpr auto IRQToggle = Bit<uint32_t>(7);
static constexpr auto IRQPulse = !IRQToggle;
static constexpr auto ClockSource = BitRange<uint32_t>::from_to(8, 9);
static constexpr auto HasIRQRequest = Bit<uint32_t>(10);
static constexpr auto IsTargetReached = Bit<uint32_t>(11);
static constexpr auto IsMaxReached = Bit<uint32_t>(12);
};
struct CounterTarget : public ComplexBitMap<uint32_t> {
static constexpr auto CounterTargetValue = BitRange<uint32_t>::from_to(0, 15);
};
struct CounterValue : public ComplexBitMap<uint32_t> {
static constexpr auto Value = BitRange<uint32_t>::from_to(0, 15);
};
struct __no_align Counter {
IOPortEx<CounterValue> value;
IOPortEx<CounterMode> mode;
IOPortEx<CounterTarget> target;
private:
uint32_t _unused;
};
static constexpr uintptr_t counter_base_adr(size_t ID) {
return (0x1F801100 + (ID*0x10));
}
struct __no_align Counter0 : public Counter {
struct SyncMode {
static constexpr auto Pause_During_Hblank = CounterMode::SyncMode.with(0);
static constexpr auto Zero_At_Hblank = CounterMode::SyncMode.with(1);
static constexpr auto Zero_At_Hblank_Pause_Outside_Hblank = CounterMode::SyncMode.with(2);
static constexpr auto Pause_Until_Hblank_Then_Freerun = CounterMode::SyncMode.with(3);
};
struct Source {
static constexpr auto System_Clock = CounterMode::ClockSource.with(0);
static constexpr auto Dot_Clock = CounterMode::ClockSource.with(1);
static constexpr auto System_Clock_Too = CounterMode::ClockSource.with(2);
static constexpr auto Dot_Clock_Too = CounterMode::ClockSource.with(3);
};
};
struct __no_align Counter1 : public Counter {
struct SyncMode {
static constexpr auto Pause_During_Vblank = CounterMode::SyncMode.with(0);
static constexpr auto Zero_At_Vblank = CounterMode::SyncMode.with(1);
static constexpr auto Zero_At_Vblank_Pause_Outside_Vblank = CounterMode::SyncMode.with(2);
static constexpr auto Pause_Until_Vblank_Then_Freerun = CounterMode::SyncMode.with(3);
};
struct Source {
static constexpr auto System_Clock = CounterMode::ClockSource.with(0);
static constexpr auto Hblank = CounterMode::ClockSource.with(1);
static constexpr auto System_Clock_Too = CounterMode::ClockSource.with(2);
static constexpr auto Hblank_Too = CounterMode::ClockSource.with(3);
};
};
struct __no_align Counter2 : public Counter {
struct SyncMode {
static constexpr auto Stop_Counter = CounterMode::SyncMode.with(0);
static constexpr auto Freerun = CounterMode::SyncMode.with(1);
static constexpr auto Freerun_Too = CounterMode::SyncMode.with(2);
static constexpr auto Stop_Counter_Too = CounterMode::SyncMode.with(3);
};
struct Source {
static constexpr auto System_Clock = CounterMode::ClockSource.with(0);
static constexpr auto System_Clock_Too = CounterMode::ClockSource.with(1);
static constexpr auto System_Clock_Div_8 = CounterMode::ClockSource.with(2);
static constexpr auto System_Clock_Div_8_Too = CounterMode::ClockSource.with(3);
};
};
__declare_io_port_global_struct(struct Counter0, Counter0, counter_base_adr(0));
__declare_io_port_global_struct(struct Counter1, Counter1, counter_base_adr(1));
__declare_io_port_global_struct(struct Counter2, Counter2, counter_base_adr(2));
}
}
#endif //!__JABYENGINE_TIMER_IO_HPP__