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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include "common/log.h"
#include "core/hle/hle.h"
#include "core/hle/kernel/event.h"
#include "core/hle/service/dsp_dsp.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace DSP_DSP
namespace DSP_DSP {
static Handle semaphore_event;
static Handle interrupt_event;
/**
* DSP_DSP::LoadComponent service function
* Inputs:
* 1 : Size
* 2 : Unknown (observed only half word used)
* 3 : Unknown (observed only half word used)
* 4 : (size << 4) | 0xA
* 5 : Buffer address
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2 : Component loaded, 0 on not loaded, 1 on loaded
*/
void LoadComponent(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
cmd_buff[1] = 0; // No error
cmd_buff[2] = 1; // Pretend that we actually loaded the DSP firmware
// TODO(bunnei): Implement real DSP firmware loading
DEBUG_LOG(KERNEL, "(STUBBED) called");
}
/**
* DSP_DSP::GetSemaphoreEventHandle service function
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 3 : Semaphore event handle
*/
void GetSemaphoreEventHandle(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
cmd_buff[1] = 0; // No error
cmd_buff[3] = semaphore_event; // Event handle
DEBUG_LOG(KERNEL, "(STUBBED) called");
}
/**
* DSP_DSP::RegisterInterruptEvents service function
* Inputs:
* 1 : Parameter 0 (purpose unknown)
* 2 : Parameter 1 (purpose unknown)
* 4 : Interrupt event handle
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
void RegisterInterruptEvents(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
interrupt_event = static_cast<Handle>(cmd_buff[4]);
cmd_buff[1] = 0; // No error
DEBUG_LOG(KERNEL, "(STUBBED) called");
}
/**
* DSP_DSP::WriteReg0x10 service function
* Inputs:
* 1 : Unknown (observed only half word used)
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
void WriteReg0x10(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
Kernel::SignalEvent(interrupt_event);
cmd_buff[1] = 0; // No error
DEBUG_LOG(KERNEL, "(STUBBED) called");
}
const Interface::FunctionInfo FunctionTable[] = {
{0x00010040, nullptr, "RecvData"},
{0x00020040, nullptr, "RecvDataIsReady"},
{0x00030080, nullptr, "SendData"},
{0x00040040, nullptr, "SendDataIsEmpty"},
{0x00070040, WriteReg0x10, "WriteReg0x10"},
{0x00080000, nullptr, "GetSemaphore"},
{0x00090040, nullptr, "ClearSemaphore"},
{0x000B0000, nullptr, "CheckSemaphoreRequest"},
{0x000C0040, nullptr, "ConvertProcessAddressFromDspDram"},
{0x000D0082, nullptr, "WriteProcessPipe"},
{0x001000C0, nullptr, "ReadPipeIfPossible"},
{0x001100C2, LoadComponent, "LoadComponent"},
{0x00120000, nullptr, "UnloadComponent"},
{0x00130082, nullptr, "FlushDataCache"},
{0x00140082, nullptr, "InvalidateDCache"},
{0x00150082, RegisterInterruptEvents, "RegisterInterruptEvents"},
{0x00160000, GetSemaphoreEventHandle, "GetSemaphoreEventHandle"},
{0x00170040, nullptr, "SetSemaphoreMask"},
{0x00180040, nullptr, "GetPhysicalAddress"},
{0x00190040, nullptr, "GetVirtualAddress"},
{0x001A0042, nullptr, "SetIirFilterI2S1_cmd1"},
{0x001B0042, nullptr, "SetIirFilterI2S1_cmd2"},
{0x001C0082, nullptr, "SetIirFilterEQ"},
{0x001F0000, nullptr, "GetHeadphoneStatus"},
{0x00210000, nullptr, "GetIsDspOccupied"},
};
////////////////////////////////////////////////////////////////////////////////////////////////////
// Interface class
Interface::Interface() {
semaphore_event = Kernel::CreateEvent(RESETTYPE_ONESHOT, "DSP_DSP::semaphore_event");
interrupt_event = 0;
Register(FunctionTable, ARRAY_SIZE(FunctionTable));
}
Interface::~Interface() {
}
} // namespace
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