// MIT License
//
// Copyright (c) Ryujinx Team and Contributors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
// associated documentation files (the "Software"), to deal in the Software without restriction,
// including without limitation the rights to use, copy, modify, merge, publish, distribute,
// sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
// NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#include "command_classes/host1x.h"
#include "command_classes/nvdec.h"
#include "command_classes/vic.h"
#include "common/bit_util.h"
#include "video_core/cdma_pusher.h"
#include "video_core/command_classes/nvdec_common.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/gpu.h"
#include "video_core/memory_manager.h"
namespace Tegra {
CDmaPusher::CDmaPusher(GPU& gpu)
: gpu(gpu), nvdec_processor(std::make_shared<Nvdec>(gpu)),
vic_processor(std::make_unique<Vic>(gpu, nvdec_processor)),
host1x_processor(std::make_unique<Host1x>(gpu)),
nvdec_sync(std::make_unique<SyncptIncrManager>(gpu)),
vic_sync(std::make_unique<SyncptIncrManager>(gpu)) {}
CDmaPusher::~CDmaPusher() = default;
void CDmaPusher::Push(ChCommandHeaderList&& entries) {
cdma_queue.push(std::move(entries));
}
void CDmaPusher::DispatchCalls() {
while (!cdma_queue.empty()) {
Step();
}
}
void CDmaPusher::Step() {
const auto entries{cdma_queue.front()};
cdma_queue.pop();
std::vector<u32> values(entries.size());
std::memcpy(values.data(), entries.data(), entries.size() * sizeof(u32));
for (const u32 value : values) {
if (mask != 0) {
const u32 lbs = Common::CountTrailingZeroes32(mask);
mask &= ~(1U << lbs);
ExecuteCommand(static_cast<u32>(offset + lbs), value);
continue;
} else if (count != 0) {
--count;
ExecuteCommand(static_cast<u32>(offset), value);
if (incrementing) {
++offset;
}
continue;
}
const auto mode = static_cast<ChSubmissionMode>((value >> 28) & 0xf);
switch (mode) {
case ChSubmissionMode::SetClass: {
mask = value & 0x3f;
offset = (value >> 16) & 0xfff;
current_class = static_cast<ChClassId>((value >> 6) & 0x3ff);
break;
}
case ChSubmissionMode::Incrementing:
case ChSubmissionMode::NonIncrementing:
count = value & 0xffff;
offset = (value >> 16) & 0xfff;
incrementing = mode == ChSubmissionMode::Incrementing;
break;
case ChSubmissionMode::Mask:
mask = value & 0xffff;
offset = (value >> 16) & 0xfff;
break;
case ChSubmissionMode::Immediate: {
const u32 data = value & 0xfff;
offset = (value >> 16) & 0xfff;
ExecuteCommand(static_cast<u32>(offset), data);
break;
}
default:
UNIMPLEMENTED_MSG("ChSubmission mode {} is not implemented!", static_cast<u32>(mode));
break;
}
}
}
void CDmaPusher::ExecuteCommand(u32 offset, u32 data) {
switch (current_class) {
case ChClassId::NvDec:
ThiStateWrite(nvdec_thi_state, offset, {data});
switch (static_cast<ThiMethod>(offset)) {
case ThiMethod::IncSyncpt: {
LOG_DEBUG(Service_NVDRV, "NVDEC Class IncSyncpt Method");
const auto syncpoint_id = static_cast<u32>(data & 0xFF);
const auto cond = static_cast<u32>((data >> 8) & 0xFF);
if (cond == 0) {
nvdec_sync->Increment(syncpoint_id);
} else {
nvdec_sync->IncrementWhenDone(static_cast<u32>(current_class), syncpoint_id);
nvdec_sync->SignalDone(syncpoint_id);
}
break;
}
case ThiMethod::SetMethod1:
LOG_DEBUG(Service_NVDRV, "NVDEC method 0x{:X}",
static_cast<u32>(nvdec_thi_state.method_0));
nvdec_processor->ProcessMethod(
static_cast<Tegra::Nvdec::Method>(nvdec_thi_state.method_0), {data});
break;
default:
break;
}
break;
case ChClassId::GraphicsVic:
ThiStateWrite(vic_thi_state, static_cast<u32>(offset), {data});
switch (static_cast<ThiMethod>(offset)) {
case ThiMethod::IncSyncpt: {
LOG_DEBUG(Service_NVDRV, "VIC Class IncSyncpt Method");
const auto syncpoint_id = static_cast<u32>(data & 0xFF);
const auto cond = static_cast<u32>((data >> 8) & 0xFF);
if (cond == 0) {
vic_sync->Increment(syncpoint_id);
} else {
vic_sync->IncrementWhenDone(static_cast<u32>(current_class), syncpoint_id);
vic_sync->SignalDone(syncpoint_id);
}
break;
}
case ThiMethod::SetMethod1:
LOG_DEBUG(Service_NVDRV, "VIC method 0x{:X}, Args=({})",
static_cast<u32>(vic_thi_state.method_0), data);
vic_processor->ProcessMethod(static_cast<Tegra::Vic::Method>(vic_thi_state.method_0),
{data});
break;
default:
break;
}
break;
case ChClassId::Host1x:
// This device is mainly for syncpoint synchronization
LOG_DEBUG(Service_NVDRV, "Host1X Class Method");
host1x_processor->ProcessMethod(static_cast<Tegra::Host1x::Method>(offset), {data});
break;
default:
UNIMPLEMENTED_MSG("Current class not implemented {:X}", static_cast<u32>(current_class));
break;
}
}
void CDmaPusher::ThiStateWrite(ThiRegisters& state, u32 offset, const std::vector<u32>& arguments) {
u8* const state_offset = reinterpret_cast<u8*>(&state) + sizeof(u32) * offset;
std::memcpy(state_offset, arguments.data(), sizeof(u32) * arguments.size());
}
} // namespace Tegra
