/* * Copyright (c) 2018-2020 Atmosphère-NX * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <stratosphere.hpp> #include "gpio_remote_manager_impl.hpp" namespace ams::gpio { namespace { constinit os::SdkMutex g_init_mutex; constinit int g_initialize_count = 0; constinit bool g_remote = false; ams::sf::SharedPointer<gpio::sf::IManager> g_manager; ams::sf::UnmanagedServiceObject<gpio::sf::IManager, RemoteManagerImpl> g_remote_manager_impl; gpio::sf::IPadSession *GetInterface(GpioPadSession *session) { AMS_ASSERT(session->_session != nullptr); return static_cast<gpio::sf::IPadSession *>(session->_session); } } void Initialize() { std::scoped_lock lk(g_init_mutex); if ((g_initialize_count++) == 0) { R_ABORT_UNLESS(::gpioInitialize()); g_manager = g_remote_manager_impl.GetShared(); g_remote = true; } } void InitializeWith(ams::sf::SharedPointer<gpio::sf::IManager> manager) { std::scoped_lock lk(g_init_mutex); AMS_ABORT_UNLESS(g_initialize_count == 0); g_manager = manager; g_initialize_count = 1; } void Finalize() { std::scoped_lock lk(g_init_mutex); AMS_ASSERT(g_initialize_count > 0); if ((--g_initialize_count) == 0) { g_manager = nullptr; if (g_remote) { ::gpioExit(); } } } Result OpenSession(GpioPadSession *out_session, ams::DeviceCode device_code) { /* Get the session. */ ams::sf::SharedPointer<gpio::sf::IPadSession> session; { if (hos::GetVersion() >= hos::Version_7_0_0) { R_TRY(g_manager->OpenSession2(std::addressof(session), device_code, ddsf::AccessMode_ReadWrite)); } else { R_TRY(g_manager->OpenSession(std::addressof(session), ConvertToGpioPadName(device_code))); } } /* Set output. */ out_session->_session = session.Detach(); out_session->_event = nullptr; /* We succeeded. */ return ResultSuccess(); } void CloseSession(GpioPadSession *session) { AMS_ASSERT(session != nullptr); /* Unbind the interrupt, if it's still bound. */ if (session->_event != nullptr) { gpio::UnbindInterrupt(session); } /* Close the session. */ ams::sf::ReleaseSharedObject(GetInterface(session)); session->_session = nullptr; } Result IsWakeEventActive(bool *out_is_active, ams::DeviceCode device_code) { if (hos::GetVersion() >= hos::Version_7_0_0) { R_TRY(g_manager->IsWakeEventActive2(out_is_active, device_code)); } else { R_TRY(g_manager->IsWakeEventActive(out_is_active, ConvertToGpioPadName(device_code))); } return ResultSuccess(); } Direction GetDirection(GpioPadSession *session) { Direction out; R_ABORT_UNLESS(GetInterface(session)->GetDirection(std::addressof(out))); return out; } void SetDirection(GpioPadSession *session, Direction direction) { R_ABORT_UNLESS(GetInterface(session)->SetDirection(direction)); } GpioValue GetValue(GpioPadSession *session) { GpioValue out; R_ABORT_UNLESS(GetInterface(session)->GetValue(std::addressof(out))); return out; } void SetValue(GpioPadSession *session, GpioValue value) { R_ABORT_UNLESS(GetInterface(session)->SetValue(value)); } InterruptMode GetInterruptMode(GpioPadSession *session) { InterruptMode out; R_ABORT_UNLESS(GetInterface(session)->GetInterruptMode(std::addressof(out))); return out; } void SetInterruptMode(GpioPadSession *session, InterruptMode mode) { R_ABORT_UNLESS(GetInterface(session)->SetInterruptMode(mode)); } bool GetInterruptEnable(GpioPadSession *session) { bool out; R_ABORT_UNLESS(GetInterface(session)->GetInterruptEnable(std::addressof(out))); return out; } void SetInterruptEnable(GpioPadSession *session, bool en) { R_ABORT_UNLESS(GetInterface(session)->SetInterruptEnable(en)); } InterruptStatus GetInterruptStatus(GpioPadSession *session) { InterruptStatus out; R_ABORT_UNLESS(GetInterface(session)->GetInterruptStatus(std::addressof(out))); return out; } void ClearInterruptStatus(GpioPadSession *session) { R_ABORT_UNLESS(GetInterface(session)->ClearInterruptStatus()); } int GetDebounceTime(GpioPadSession *session) { int out; R_ABORT_UNLESS(GetInterface(session)->GetDebounceTime(std::addressof(out))); return out; } void SetDebounceTime(GpioPadSession *session, int ms) { R_ABORT_UNLESS(GetInterface(session)->SetDebounceTime(ms)); } bool GetDebounceEnabled(GpioPadSession *session) { bool out; R_ABORT_UNLESS(GetInterface(session)->GetDebounceEnabled(std::addressof(out))); return out; } void SetDebounceEnabled(GpioPadSession *session, bool en) { R_ABORT_UNLESS(GetInterface(session)->SetDebounceEnabled(en)); } Result BindInterrupt(os::SystemEventType *event, GpioPadSession *session) { AMS_ASSERT(session->_event == nullptr); ams::sf::CopyHandle handle; R_TRY(GetInterface(session)->BindInterrupt(std::addressof(handle))); os::AttachReadableHandleToSystemEvent(event, handle.GetValue(), true, os::EventClearMode_ManualClear); session->_event = event; return ResultSuccess(); } void UnbindInterrupt(GpioPadSession *session) { AMS_ASSERT(session->_event != nullptr); R_ABORT_UNLESS(GetInterface(session)->UnbindInterrupt()); os::DestroySystemEvent(session->_event); session->_event = nullptr; } }