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Diffstat (limited to 'src/audio_core/hle/pipe.cpp')
| -rw-r--r-- | src/audio_core/hle/pipe.cpp | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/src/audio_core/hle/pipe.cpp b/src/audio_core/hle/pipe.cpp deleted file mode 100644 index 24074a514..000000000 --- a/src/audio_core/hle/pipe.cpp +++ /dev/null @@ -1,177 +0,0 @@ -// Copyright 2016 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <array> -#include <vector> -#include "audio_core/hle/dsp.h" -#include "audio_core/hle/pipe.h" -#include "common/assert.h" -#include "common/common_types.h" -#include "common/logging/log.h" -#include "core/hle/service/dsp_dsp.h" - -namespace DSP { -namespace HLE { - -static DspState dsp_state = DspState::Off; - -static std::array<std::vector<u8>, NUM_DSP_PIPE> pipe_data; - -void ResetPipes() { - for (auto& data : pipe_data) { - data.clear(); - } - dsp_state = DspState::Off; -} - -std::vector<u8> PipeRead(DspPipe pipe_number, u32 length) { - const size_t pipe_index = static_cast<size_t>(pipe_number); - - if (pipe_index >= NUM_DSP_PIPE) { - LOG_ERROR(Audio_DSP, "pipe_number = %zu invalid", pipe_index); - return {}; - } - - if (length > UINT16_MAX) { // Can only read at most UINT16_MAX from the pipe - LOG_ERROR(Audio_DSP, "length of %u greater than max of %u", length, UINT16_MAX); - return {}; - } - - std::vector<u8>& data = pipe_data[pipe_index]; - - if (length > data.size()) { - LOG_WARNING( - Audio_DSP, - "pipe_number = %zu is out of data, application requested read of %u but %zu remain", - pipe_index, length, data.size()); - length = static_cast<u32>(data.size()); - } - - if (length == 0) - return {}; - - std::vector<u8> ret(data.begin(), data.begin() + length); - data.erase(data.begin(), data.begin() + length); - return ret; -} - -size_t GetPipeReadableSize(DspPipe pipe_number) { - const size_t pipe_index = static_cast<size_t>(pipe_number); - - if (pipe_index >= NUM_DSP_PIPE) { - LOG_ERROR(Audio_DSP, "pipe_number = %zu invalid", pipe_index); - return 0; - } - - return pipe_data[pipe_index].size(); -} - -static void WriteU16(DspPipe pipe_number, u16 value) { - const size_t pipe_index = static_cast<size_t>(pipe_number); - - std::vector<u8>& data = pipe_data.at(pipe_index); - // Little endian - data.emplace_back(value & 0xFF); - data.emplace_back(value >> 8); -} - -static void AudioPipeWriteStructAddresses() { - // These struct addresses are DSP dram addresses. - // See also: DSP_DSP::ConvertProcessAddressFromDspDram - static const std::array<u16, 15> struct_addresses = { - 0x8000 + offsetof(SharedMemory, frame_counter) / 2, - 0x8000 + offsetof(SharedMemory, source_configurations) / 2, - 0x8000 + offsetof(SharedMemory, source_statuses) / 2, - 0x8000 + offsetof(SharedMemory, adpcm_coefficients) / 2, - 0x8000 + offsetof(SharedMemory, dsp_configuration) / 2, - 0x8000 + offsetof(SharedMemory, dsp_status) / 2, - 0x8000 + offsetof(SharedMemory, final_samples) / 2, - 0x8000 + offsetof(SharedMemory, intermediate_mix_samples) / 2, - 0x8000 + offsetof(SharedMemory, compressor) / 2, - 0x8000 + offsetof(SharedMemory, dsp_debug) / 2, - 0x8000 + offsetof(SharedMemory, unknown10) / 2, - 0x8000 + offsetof(SharedMemory, unknown11) / 2, - 0x8000 + offsetof(SharedMemory, unknown12) / 2, - 0x8000 + offsetof(SharedMemory, unknown13) / 2, - 0x8000 + offsetof(SharedMemory, unknown14) / 2, - }; - - // Begin with a u16 denoting the number of structs. - WriteU16(DspPipe::Audio, static_cast<u16>(struct_addresses.size())); - // Then write the struct addresses. - for (u16 addr : struct_addresses) { - WriteU16(DspPipe::Audio, addr); - } - // Signal that we have data on this pipe. - Service::DSP_DSP::SignalPipeInterrupt(DspPipe::Audio); -} - -void PipeWrite(DspPipe pipe_number, const std::vector<u8>& buffer) { - switch (pipe_number) { - case DspPipe::Audio: { - if (buffer.size() != 4) { - LOG_ERROR(Audio_DSP, "DspPipe::Audio: Unexpected buffer length %zu was written", - buffer.size()); - return; - } - - enum class StateChange { - Initialize = 0, - Shutdown = 1, - Wakeup = 2, - Sleep = 3, - }; - - // The difference between Initialize and Wakeup is that Input state is maintained - // when sleeping but isn't when turning it off and on again. (TODO: Implement this.) - // Waking up from sleep garbles some of the structs in the memory region. (TODO: - // Implement this.) Applications store away the state of these structs before - // sleeping and reset it back after wakeup on behalf of the DSP. - - switch (static_cast<StateChange>(buffer[0])) { - case StateChange::Initialize: - LOG_INFO(Audio_DSP, "Application has requested initialization of DSP hardware"); - ResetPipes(); - AudioPipeWriteStructAddresses(); - dsp_state = DspState::On; - break; - case StateChange::Shutdown: - LOG_INFO(Audio_DSP, "Application has requested shutdown of DSP hardware"); - dsp_state = DspState::Off; - break; - case StateChange::Wakeup: - LOG_INFO(Audio_DSP, "Application has requested wakeup of DSP hardware"); - ResetPipes(); - AudioPipeWriteStructAddresses(); - dsp_state = DspState::On; - break; - case StateChange::Sleep: - LOG_INFO(Audio_DSP, "Application has requested sleep of DSP hardware"); - UNIMPLEMENTED(); - dsp_state = DspState::Sleeping; - break; - default: - LOG_ERROR(Audio_DSP, - "Application has requested unknown state transition of DSP hardware %hhu", - buffer[0]); - dsp_state = DspState::Off; - break; - } - - return; - } - default: - LOG_CRITICAL(Audio_DSP, "pipe_number = %zu unimplemented", - static_cast<size_t>(pipe_number)); - UNIMPLEMENTED(); - return; - } -} - -DspState GetDspState() { - return dsp_state; -} - -} // namespace HLE -} // namespace DSP |