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Diffstat (limited to 'src/core/hle/service/ir/ir_rst.cpp')
-rw-r--r-- | src/core/hle/service/ir/ir_rst.cpp | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/src/core/hle/service/ir/ir_rst.cpp b/src/core/hle/service/ir/ir_rst.cpp deleted file mode 100644 index 0912d5756..000000000 --- a/src/core/hle/service/ir/ir_rst.cpp +++ /dev/null @@ -1,221 +0,0 @@ -// Copyright 2015 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <atomic> -#include "common/bit_field.h" -#include "core/core_timing.h" -#include "core/frontend/input.h" -#include "core/hle/ipc_helpers.h" -#include "core/hle/kernel/event.h" -#include "core/hle/kernel/shared_memory.h" -#include "core/hle/service/hid/hid.h" -#include "core/hle/service/ir/ir.h" -#include "core/hle/service/ir/ir_rst.h" -#include "core/settings.h" - -namespace Service { -namespace IR { - -union PadState { - u32_le hex{}; - - BitField<14, 1, u32_le> zl; - BitField<15, 1, u32_le> zr; - - BitField<24, 1, u32_le> c_stick_right; - BitField<25, 1, u32_le> c_stick_left; - BitField<26, 1, u32_le> c_stick_up; - BitField<27, 1, u32_le> c_stick_down; -}; - -struct PadDataEntry { - PadState current_state; - PadState delta_additions; - PadState delta_removals; - - s16_le c_stick_x; - s16_le c_stick_y; -}; - -struct SharedMem { - u64_le index_reset_ticks; ///< CPU tick count for when HID module updated entry index 0 - u64_le index_reset_ticks_previous; ///< Previous `index_reset_ticks` - u32_le index; - INSERT_PADDING_WORDS(1); - std::array<PadDataEntry, 8> entries; ///< Last 8 pad entries -}; - -static_assert(sizeof(SharedMem) == 0x98, "SharedMem has wrong size!"); - -static Kernel::SharedPtr<Kernel::Event> update_event; -static Kernel::SharedPtr<Kernel::SharedMemory> shared_memory; -static u32 next_pad_index; -static int update_callback_id; -static std::unique_ptr<Input::ButtonDevice> zl_button; -static std::unique_ptr<Input::ButtonDevice> zr_button; -static std::unique_ptr<Input::AnalogDevice> c_stick; -static std::atomic<bool> is_device_reload_pending; -static bool raw_c_stick; -static int update_period; - -static void LoadInputDevices() { - zl_button = Input::CreateDevice<Input::ButtonDevice>( - Settings::values.buttons[Settings::NativeButton::ZL]); - zr_button = Input::CreateDevice<Input::ButtonDevice>( - Settings::values.buttons[Settings::NativeButton::ZR]); - c_stick = Input::CreateDevice<Input::AnalogDevice>( - Settings::values.analogs[Settings::NativeAnalog::CStick]); -} - -static void UnloadInputDevices() { - zl_button = nullptr; - zr_button = nullptr; - c_stick = nullptr; -} - -static void UpdateCallback(u64 userdata, int cycles_late) { - SharedMem* mem = reinterpret_cast<SharedMem*>(shared_memory->GetPointer()); - - if (is_device_reload_pending.exchange(false)) - LoadInputDevices(); - - PadState state; - state.zl.Assign(zl_button->GetStatus()); - state.zr.Assign(zr_button->GetStatus()); - - // Get current c-stick position and update c-stick direction - float c_stick_x_f, c_stick_y_f; - std::tie(c_stick_x_f, c_stick_y_f) = c_stick->GetStatus(); - constexpr int MAX_CSTICK_RADIUS = 0x9C; // Max value for a c-stick radius - const s16 c_stick_x = static_cast<s16>(c_stick_x_f * MAX_CSTICK_RADIUS); - const s16 c_stick_y = static_cast<s16>(c_stick_y_f * MAX_CSTICK_RADIUS); - - if (!raw_c_stick) { - const HID::DirectionState direction = HID::GetStickDirectionState(c_stick_x, c_stick_y); - state.c_stick_up.Assign(direction.up); - state.c_stick_down.Assign(direction.down); - state.c_stick_left.Assign(direction.left); - state.c_stick_right.Assign(direction.right); - } - - // TODO (wwylele): implement raw C-stick data for raw_c_stick = true - - const u32 last_entry_index = mem->index; - mem->index = next_pad_index; - next_pad_index = (next_pad_index + 1) % mem->entries.size(); - - // Get the previous Pad state - PadState old_state{mem->entries[last_entry_index].current_state}; - - // Compute bitmask with 1s for bits different from the old state - PadState changed = {state.hex ^ old_state.hex}; - - // Get the current Pad entry - PadDataEntry& pad_entry = mem->entries[mem->index]; - - // Update entry properties - pad_entry.current_state.hex = state.hex; - pad_entry.delta_additions.hex = changed.hex & state.hex; - pad_entry.delta_removals.hex = changed.hex & old_state.hex; - pad_entry.c_stick_x = c_stick_x; - pad_entry.c_stick_y = c_stick_y; - - // If we just updated index 0, provide a new timestamp - if (mem->index == 0) { - mem->index_reset_ticks_previous = mem->index_reset_ticks; - mem->index_reset_ticks = CoreTiming::GetTicks(); - } - - update_event->Signal(); - - // Reschedule recurrent event - CoreTiming::ScheduleEvent(msToCycles(update_period) - cycles_late, update_callback_id); -} - -/** - * IR::GetHandles service function - * Outputs: - * 1 : Result of function, 0 on success, otherwise error code - * 2 : Translate header, used by the ARM11-kernel - * 3 : Shared memory handle - * 4 : Event handle - */ -static void GetHandles(Interface* self) { - IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x01, 0, 0); - IPC::RequestBuilder rb = rp.MakeBuilder(1, 3); - rb.Push(RESULT_SUCCESS); - rb.PushMoveHandles(Kernel::g_handle_table.Create(Service::IR::shared_memory).Unwrap(), - Kernel::g_handle_table.Create(Service::IR::update_event).Unwrap()); -} - -/** - * IR::Initialize service function - * Inputs: - * 1 : pad state update period in ms - * 2 : bool output raw c-stick data - */ -static void Initialize(Interface* self) { - IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x02, 2, 0); - update_period = static_cast<int>(rp.Pop<u32>()); - raw_c_stick = rp.Pop<bool>(); - - if (raw_c_stick) - LOG_ERROR(Service_IR, "raw C-stick data is not implemented!"); - - next_pad_index = 0; - is_device_reload_pending.store(true); - CoreTiming::ScheduleEvent(msToCycles(update_period), update_callback_id); - - IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); - rb.Push(RESULT_SUCCESS); - - LOG_DEBUG(Service_IR, "called. update_period=%d, raw_c_stick=%d", update_period, raw_c_stick); -} - -static void Shutdown(Interface* self) { - IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x03, 1, 0); - - CoreTiming::UnscheduleEvent(update_callback_id, 0); - UnloadInputDevices(); - - IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); - rb.Push(RESULT_SUCCESS); - LOG_DEBUG(Service_IR, "called"); -} - -const Interface::FunctionInfo FunctionTable[] = { - {0x00010000, GetHandles, "GetHandles"}, - {0x00020080, Initialize, "Initialize"}, - {0x00030000, Shutdown, "Shutdown"}, - {0x00090000, nullptr, "WriteToTwoFields"}, -}; - -IR_RST_Interface::IR_RST_Interface() { - Register(FunctionTable); -} - -void InitRST() { - using namespace Kernel; - // Note: these two kernel objects are even available before Initialize service function is - // called. - shared_memory = - SharedMemory::Create(nullptr, 0x1000, MemoryPermission::ReadWrite, MemoryPermission::Read, - 0, MemoryRegion::BASE, "IRRST:SharedMemory"); - update_event = Event::Create(ResetType::OneShot, "IRRST:UpdateEvent"); - - update_callback_id = CoreTiming::RegisterEvent("IRRST:UpdateCallBack", UpdateCallback); -} - -void ShutdownRST() { - shared_memory = nullptr; - update_event = nullptr; - UnloadInputDevices(); -} - -void ReloadInputDevicesRST() { - is_device_reload_pending.store(true); -} - -} // namespace IR -} // namespace Service |