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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <condition_variable>
#include <deque>
#include <memory>
#include <mutex>
#include <thread>
#include <vector>
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/polyfill_thread.h"
#include "core/memory.h"
namespace Tegra {
namespace Host1x {
class Control;
class Host1x;
class Nvdec;
class SyncptIncrManager;
class Vic;
} // namespace Host1x
enum class ChSubmissionMode : u32 {
SetClass = 0,
Incrementing = 1,
NonIncrementing = 2,
Mask = 3,
Immediate = 4,
Restart = 5,
Gather = 6,
};
enum class ChClassId : u32 {
NoClass = 0x0,
Control = 0x1,
VideoEncodeMpeg = 0x20,
VideoEncodeNvEnc = 0x21,
VideoStreamingVi = 0x30,
VideoStreamingIsp = 0x32,
VideoStreamingIspB = 0x34,
VideoStreamingViI2c = 0x36,
GraphicsVic = 0x5d,
Graphics3D = 0x60,
GraphicsGpu = 0x61,
Tsec = 0xe0,
TsecB = 0xe1,
NvJpg = 0xc0,
NvDec = 0xf0
};
union ChCommandHeader {
u32 raw;
BitField<0, 16, u32> value;
BitField<16, 12, u32> method_offset;
BitField<28, 4, ChSubmissionMode> submission_mode;
};
static_assert(sizeof(ChCommandHeader) == sizeof(u32), "ChCommand header is an invalid size");
struct ChCommand {
ChClassId class_id{};
int method_offset{};
std::vector<u32> arguments;
};
using ChCommandHeaderList =
Core::Memory::CpuGuestMemory<Tegra::ChCommandHeader, Core::Memory::GuestMemoryFlags::SafeRead>;
struct ThiRegisters {
static constexpr std::size_t NUM_REGS = 0x20;
union {
struct {
u32_le increment_syncpt;
INSERT_PADDING_WORDS_NOINIT(1);
u32_le increment_syncpt_error;
u32_le ctx_switch_incremement_syncpt;
INSERT_PADDING_WORDS_NOINIT(4);
u32_le ctx_switch;
INSERT_PADDING_WORDS_NOINIT(1);
u32_le ctx_syncpt_eof;
INSERT_PADDING_WORDS_NOINIT(5);
u32_le method_0;
u32_le method_1;
INSERT_PADDING_WORDS_NOINIT(12);
u32_le int_status;
u32_le int_mask;
};
std::array<u32, NUM_REGS> reg_array;
};
};
enum class ThiMethod : u32 {
IncSyncpt = offsetof(ThiRegisters, increment_syncpt) / sizeof(u32),
SetMethod0 = offsetof(ThiRegisters, method_0) / sizeof(u32),
SetMethod1 = offsetof(ThiRegisters, method_1) / sizeof(u32),
};
class CDmaPusher {
public:
CDmaPusher() = delete;
virtual ~CDmaPusher();
void PushEntries(ChCommandHeaderList&& entries) {
std::scoped_lock l{command_mutex};
command_lists.push_back(std::move(entries));
command_cv.notify_one();
}
protected:
explicit CDmaPusher(Host1x::Host1x& host1x, s32 id);
virtual void ProcessMethod(u32 method, u32 arg) = 0;
Host1x::Host1x& host1x;
Tegra::MemoryManager& memory_manager;
private:
/// Process the command entry
void ProcessEntries(std::stop_token stop_token);
/// Invoke command class devices to execute the command based on the current state
void ExecuteCommand(u32 state_offset, u32 data);
std::unique_ptr<Host1x::Control> host_processor;
std::mutex command_mutex;
std::condition_variable_any command_cv;
std::deque<ChCommandHeaderList> command_lists;
std::jthread thread;
ThiRegisters thi_regs{};
ChClassId current_class;
};
} // namespace Tegra
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