summaryrefslogtreecommitdiffstats
path: root/src/audio_core/hle/pipe.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/audio_core/hle/pipe.cpp')
-rw-r--r--src/audio_core/hle/pipe.cpp150
1 files changed, 127 insertions, 23 deletions
diff --git a/src/audio_core/hle/pipe.cpp b/src/audio_core/hle/pipe.cpp
index 6542c760c..9381883b4 100644
--- a/src/audio_core/hle/pipe.cpp
+++ b/src/audio_core/hle/pipe.cpp
@@ -5,50 +5,154 @@
#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"
namespace DSP {
namespace HLE {
-static size_t pipe2position = 0;
+static DspState dsp_state = DspState::Off;
+
+static std::array<std::vector<u8>, static_cast<size_t>(DspPipe::DspPipe_MAX)> pipe_data;
void ResetPipes() {
- pipe2position = 0;
+ for (auto& data : pipe_data) {
+ data.clear();
+ }
+ dsp_state = DspState::Off;
}
-std::vector<u8> PipeRead(u32 pipe_number, u32 length) {
- if (pipe_number != 2) {
- LOG_WARNING(Audio_DSP, "pipe_number = %u (!= 2), unimplemented", pipe_number);
- return {}; // We currently don't handle anything other than the audio pipe.
+std::vector<u8> PipeRead(DspPipe pipe_number, u32 length) {
+ if (pipe_number >= DspPipe::DspPipe_MAX) {
+ LOG_ERROR(Audio_DSP, "pipe_number = %u invalid", pipe_number);
+ return {};
+ }
+
+ std::vector<u8>& data = pipe_data[static_cast<size_t>(pipe_number)];
+
+ if (length > data.size()) {
+ LOG_WARNING(Audio_DSP, "pipe_number = %u is out of data, application requested read of %u but %zu remain",
+ pipe_number, length, data.size());
+ length = data.size();
}
- // Canned DSP responses that games expect. These were taken from HW by 3dmoo team.
- // TODO: Our implementation will actually use a slightly different response than this one.
- // TODO: Use offsetof on DSP structures instead for a proper response.
- static const std::array<u8, 32> canned_response {{
- 0x0F, 0x00, 0xFF, 0xBF, 0x8E, 0x9E, 0x80, 0x86, 0x8E, 0xA7, 0x30, 0x94, 0x00, 0x84, 0x40, 0x85,
- 0x8E, 0x94, 0x10, 0x87, 0x10, 0x84, 0x0E, 0xA9, 0x0E, 0xAA, 0xCE, 0xAA, 0x4E, 0xAC, 0x58, 0xAC
- }};
-
- // TODO: Move this into dsp::DSP service since it happens on the service side.
- // Hardware observation: No data is returned if requested length reads beyond the end of the data in-pipe.
- if (pipe2position + length > canned_response.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) {
+ if (pipe_number >= DspPipe::DspPipe_MAX) {
+ LOG_ERROR(Audio_DSP, "pipe_number = %u invalid", pipe_number);
+ return 0;
}
- std::vector<u8> ret;
- for (size_t i = 0; i < length; i++, pipe2position++) {
- ret.emplace_back(canned_response[pipe2position]);
+ return pipe_data[static_cast<size_t>(pipe_number)].size();
+}
+
+static void WriteU16(DspPipe pipe_number, u16 value) {
+ std::vector<u8>& data = pipe_data[static_cast<size_t>(pipe_number)];
+ // 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, struct_addresses.size());
+ // Then write the struct addresses.
+ for (u16 addr : struct_addresses) {
+ WriteU16(DspPipe::Audio, addr);
}
+}
- return ret;
+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 {
+ Initalize = 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::Initalize:
+ 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 = %u unimplemented", pipe_number);
+ UNIMPLEMENTED();
+ return;
+ }
}
-void PipeWrite(u32 pipe_number, const std::vector<u8>& buffer) {
- // TODO: proper pipe behaviour
+DspState GetDspState() {
+ return dsp_state;
}
} // namespace HLE