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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <utility>
#include <fmt/format.h>
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/readable_event.h"
#include "core/hle/kernel/writable_event.h"
#include "core/hle/service/nvdrv/devices/nvdevice.h"
#include "core/hle/service/nvdrv/devices/nvdisp_disp0.h"
#include "core/hle/service/nvdrv/devices/nvhost_as_gpu.h"
#include "core/hle/service/nvdrv/devices/nvhost_ctrl.h"
#include "core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.h"
#include "core/hle/service/nvdrv/devices/nvhost_gpu.h"
#include "core/hle/service/nvdrv/devices/nvhost_nvdec.h"
#include "core/hle/service/nvdrv/devices/nvhost_nvjpg.h"
#include "core/hle/service/nvdrv/devices/nvhost_vic.h"
#include "core/hle/service/nvdrv/devices/nvmap.h"
#include "core/hle/service/nvdrv/interface.h"
#include "core/hle/service/nvdrv/nvdrv.h"
#include "core/hle/service/nvdrv/nvmemp.h"
#include "core/hle/service/nvflinger/nvflinger.h"
namespace Service::Nvidia {
void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger& nvflinger) {
auto module_ = std::make_shared<Module>();
std::make_shared<NVDRV>(module_, "nvdrv")->InstallAsService(service_manager);
std::make_shared<NVDRV>(module_, "nvdrv:a")->InstallAsService(service_manager);
std::make_shared<NVDRV>(module_, "nvdrv:s")->InstallAsService(service_manager);
std::make_shared<NVDRV>(module_, "nvdrv:t")->InstallAsService(service_manager);
std::make_shared<NVMEMP>()->InstallAsService(service_manager);
nvflinger.SetNVDrvInstance(module_);
}
Module::Module() {
auto& kernel = Core::System::GetInstance().Kernel();
for (u32 i = 0; i < MaxNvEvents; i++) {
std::string event_label = fmt::format("NVDRV::NvEvent_{}", i);
events_interface.events[i] = Kernel::WritableEvent::CreateEventPair(
kernel, Kernel::ResetType::Manual, event_label);
events_interface.status[i] = EventState::Free;
events_interface.registered[i] = false;
}
auto nvmap_dev = std::make_shared<Devices::nvmap>();
devices["/dev/nvhost-as-gpu"] = std::make_shared<Devices::nvhost_as_gpu>(nvmap_dev);
devices["/dev/nvhost-gpu"] = std::make_shared<Devices::nvhost_gpu>(nvmap_dev);
devices["/dev/nvhost-ctrl-gpu"] = std::make_shared<Devices::nvhost_ctrl_gpu>();
devices["/dev/nvmap"] = nvmap_dev;
devices["/dev/nvdisp_disp0"] = std::make_shared<Devices::nvdisp_disp0>(nvmap_dev);
devices["/dev/nvhost-ctrl"] = std::make_shared<Devices::nvhost_ctrl>(events_interface);
devices["/dev/nvhost-nvdec"] = std::make_shared<Devices::nvhost_nvdec>();
devices["/dev/nvhost-nvjpg"] = std::make_shared<Devices::nvhost_nvjpg>();
devices["/dev/nvhost-vic"] = std::make_shared<Devices::nvhost_vic>();
}
Module::~Module() = default;
u32 Module::Open(const std::string& device_name) {
ASSERT_MSG(devices.find(device_name) != devices.end(), "Trying to open unknown device {}",
device_name);
auto device = devices[device_name];
const u32 fd = next_fd++;
open_files[fd] = std::move(device);
return fd;
}
u32 Module::Ioctl(u32 fd, u32 command, const std::vector<u8>& input, std::vector<u8>& output) {
auto itr = open_files.find(fd);
ASSERT_MSG(itr != open_files.end(), "Tried to talk to an invalid device");
auto& device = itr->second;
return device->ioctl({command}, input, output);
}
ResultCode Module::Close(u32 fd) {
auto itr = open_files.find(fd);
ASSERT_MSG(itr != open_files.end(), "Tried to talk to an invalid device");
open_files.erase(itr);
// TODO(flerovium): return correct result code if operation failed.
return RESULT_SUCCESS;
}
void Module::SignalEvent(const u32 event_id) {
if (event_id >= 64) {
LOG_ERROR(Service_NVDRV, "Unexpected Event signalled!");
return;
}
events_interface.LiberateEvent(event_id);
events_interface.events[event_id].writable->Signal();
}
Kernel::SharedPtr<Kernel::ReadableEvent> Module::GetEvent(const u32 event_id) {
return events_interface.events[event_id].readable;
}
} // namespace Service::Nvidia
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