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@ -5,6 +5,7 @@
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#include "audio_core/lle/lle.h"
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#include "common/assert.h"
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#include "common/swap.h"
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#include "core/hle/service/dsp/dsp_dsp.h"
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#include "teakra/teakra.h"
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namespace AudioCore {
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@ -33,6 +34,9 @@ struct DspLle::Impl final {
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Teakra::Teakra teakra;
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u16 pipe_base_waddr = 0;
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bool semaphore_signaled = false;
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bool data_signaled = false;
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static constexpr unsigned TeakraSlice = 20000;
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void RunTeakraSlice() {
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teakra.Run(TeakraSlice);
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@ -178,6 +182,57 @@ void DspLle::PipeWrite(DspPipe pipe_number, const std::vector<u8>& buffer) {
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impl->WritePipe(static_cast<u8>(pipe_number), buffer);
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}
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std::array<u8, Memory::DSP_RAM_SIZE>& DspLle::GetDspMemory() {
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return impl->teakra.GetDspMemory();
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}
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void DspLle::SetServiceToInterrupt(std::weak_ptr<Service::DSP::DSP_DSP> dsp) {
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impl->teakra.SetRecvDataHandler(0, [dsp]() {
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if (auto locked = dsp.lock()) {
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locked->SignalInterrupt(Service::DSP::DSP_DSP::InterruptType::Zero,
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static_cast<DspPipe>(0));
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}
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});
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impl->teakra.SetRecvDataHandler(1, [dsp]() {
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if (auto locked = dsp.lock()) {
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locked->SignalInterrupt(Service::DSP::DSP_DSP::InterruptType::One,
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static_cast<DspPipe>(0));
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}
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});
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auto ProcessPipeEvent = [this, dsp](bool event_from_data) {
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auto& teakra = impl->teakra;
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if (event_from_data) {
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impl->data_signaled = true;
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} else {
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if ((teakra.GetSemaphore() & 0x8000) == 0)
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return;
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impl->semaphore_signaled = true;
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}
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if (impl->semaphore_signaled && impl->data_signaled) {
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impl->semaphore_signaled = impl->data_signaled = false;
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u16 slot = teakra.RecvData(2);
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u16 side = slot % 2;
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u16 pipe = slot / 2;
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ASSERT(pipe < 16);
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if (side != static_cast<u16>(PipeDirection::DSPtoCPU))
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return;
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if (pipe == 0) {
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// pipe 0 is for debug. 3DS automatically drains this pipe and discards the data
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impl->ReadPipe(pipe, impl->GetPipeReadableSize(pipe));
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} else {
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if (auto locked = dsp.lock()) {
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locked->SignalInterrupt(Service::DSP::DSP_DSP::InterruptType::Pipe,
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static_cast<DspPipe>(pipe));
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}
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}
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}
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};
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impl->teakra.SetRecvDataHandler(2, [ProcessPipeEvent]() { ProcessPipeEvent(true); });
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impl->teakra.SetSemaphoreHandler([ProcessPipeEvent]() { ProcessPipeEvent(false); });
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}
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DspLle::DspLle() : impl(std::make_unique<Impl>()) {}
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DspLle::~DspLle() = default;
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