htc: skeleton much of the type hierarchy for htclow manager

libraries/libstratosphere/include/stratosphere/htclow.hpp

@@ -15,4 +15,5 @@
  */
 #pragma once
 #include <stratosphere/htclow/htclow_types.hpp>
+#include <stratosphere/htclow/impl/htclow_internal_types.hpp>
 #include <stratosphere/htclow/htclow_manager_holder.hpp>

libraries/libstratosphere/include/stratosphere/htclow/htclow_channel_types.hpp

@@ -0,0 +1,30 @@
+/*
+ * 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/>.
+ */
+#pragma once
+#include <vapours.hpp>
+#include <stratosphere/htclow/htclow_module_types.hpp>
+
+namespace ams::htclow {
+
+    using ChannelId = u16;
+
+    struct ChannelType {
+        bool _is_initialized;
+        ModuleId _module_id;
+        ChannelId _channel_id;
+    };
+
+}

libraries/libstratosphere/include/stratosphere/htclow/htclow_module_types.hpp

@@ -0,0 +1,31 @@
+/*
+ * 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/>.
+ */
+#pragma once
+#include <vapours.hpp>
+#include <stratosphere/htclow/htclow_module_types.hpp>
+
+namespace ams::htclow {
+
+    enum class ModuleId : u8 {
+        /* ... */
+    };
+
+    struct ModuleType {
+        bool _is_initialized;
+        ModuleId _id;
+    };
+
+}

libraries/libstratosphere/include/stratosphere/htclow/impl/htclow_internal_types.hpp

@@ -0,0 +1,61 @@
+/*
+ * 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/>.
+ */
+#pragma once
+#include <vapours.hpp>
+#include <stratosphere/htclow/htclow_channel_types.hpp>
+
+namespace ams::htclow::impl {
+
+    struct ChannelInternalType {
+        ChannelId channel_id;
+        s8 reserved;
+        ModuleId module_id;
+    };
+    static_assert(sizeof(ChannelInternalType) == 4);
+
+    ALWAYS_INLINE ChannelInternalType ConvertChannelType(ChannelType channel) {
+        return {
+            .channel_id = channel._channel_id,
+            .reserved   = 0,
+            .module_id  = channel._module_id,
+        };
+    }
+
+    ALWAYS_INLINE bool operator==(const ChannelInternalType &lhs, const ChannelInternalType &rhs) {
+        return lhs.module_id == rhs.module_id && lhs.reserved == rhs.reserved && lhs.channel_id == rhs.channel_id;
+    }
+
+    ALWAYS_INLINE bool operator!=(const ChannelInternalType &lhs, const ChannelInternalType &rhs) {
+        return !(lhs == rhs);
+    }
+
+    ALWAYS_INLINE bool operator<(const ChannelInternalType &lhs, const ChannelInternalType &rhs) {
+        return lhs.module_id < rhs.module_id || lhs.reserved < rhs.reserved || lhs.channel_id < rhs.channel_id;
+    }
+
+    ALWAYS_INLINE bool operator>(const ChannelInternalType &lhs, const ChannelInternalType &rhs) {
+        return rhs < lhs;
+    }
+
+    ALWAYS_INLINE bool operator<=(const ChannelInternalType &lhs, const ChannelInternalType &rhs) {
+        return !(lhs > rhs);
+    }
+
+    ALWAYS_INLINE bool operator>=(const ChannelInternalType &lhs, const ChannelInternalType &rhs) {
+        return !(lhs < rhs);
+    }
+
+}

libraries/libstratosphere/source/htclow/ctrl/htclow_ctrl_packet.hpp

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::htclow::ctrl {
+
+    class HtcctrlPacket : public util::IntrusiveListBaseNode<HtcctrlPacket> {
+        /* TODO */
+    };
+
+}

libraries/libstratosphere/source/htclow/ctrl/htclow_ctrl_packet_factory.hpp

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::htclow::ctrl {
+
+    class HtcctrlPacketFactory {
+        private:
+            mem::StandardAllocator *m_allocator;
+            u32 m_seed;
+        public:
+            HtcctrlPacketFactory(mem::StandardAllocator *allocator) : m_allocator(allocator) {
+                /* Get the current time. */
+                const u64 time = os::GetSystemTick().GetInt64Value();
+
+                /* Set the random seed. */
+                {
+                    util::TinyMT rng;
+                    rng.Initialize(reinterpret_cast<const u32 *>(std::addressof(time)), sizeof(time) / sizeof(u32));
+
+                    m_seed = rng.GenerateRandomU32();
+                }
+            }
+    };
+
+}

libraries/libstratosphere/source/htclow/ctrl/htclow_ctrl_send_buffer.hpp

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+#include "htclow_ctrl_packet.hpp"
+
+namespace ams::htclow::ctrl {
+
+    class HtcctrlPacketFactory;
+
+    class HtcctrlSendBuffer {
+        private:
+            using PacketList = util::IntrusiveListBaseTraits<HtcctrlPacket>::ListType;
+        private:
+            HtcctrlPacketFactory *m_packet_factory;
+            PacketList m_packet_list;
+        public:
+            HtcctrlSendBuffer(HtcctrlPacketFactory *pf) : m_packet_factory(pf), m_packet_list() { /* ... */ }
+    };
+
+}

libraries/libstratosphere/source/htclow/ctrl/htclow_ctrl_service.hpp

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+#include "htclow_ctrl_settings_holder.hpp"
+#include "htclow_ctrl_send_buffer.hpp"
+
+namespace ams::htclow {
+
+    namespace ctrl {
+
+        class HtcctrlPacketFactory;
+        class HtcctrlStateMachine;
+
+    }
+
+    namespace mux {
+
+        class Mux;
+
+    }
+
+}
+
+namespace ams::htclow::ctrl {
+
+    class HtcctrlService {
+        private:
+            SettingsHolder m_settings_holder;
+            u8 m_beacon_response[0x1000];
+            u8 m_1100[0x1000];
+            HtcctrlPacketFactory *m_packet_factory;
+            HtcctrlStateMachine *m_state_machine;
+            mux::Mux *m_mux;
+            os::EventType m_event;
+            HtcctrlSendBuffer m_send_buffer;
+            os::SdkMutex m_mutex;
+            os::SdkConditionVariable m_condvar;
+            u8 m_2170[0x1000];
+            u16 m_version;
+        public:
+            HtcctrlService(HtcctrlPacketFactory *pf, HtcctrlStateMachine *sm, mux::Mux *mux);
+    };
+
+}

libraries/libstratosphere/source/htclow/ctrl/htclow_ctrl_settings_holder.hpp

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::htclow::ctrl {
+
+    class SettingsHolder {
+        private:
+            char m_hardware_type[0x40];
+            char m_target_name[0x40];
+            char m_serial_number[0x40];
+            char m_firmware_version[0x40];
+        public:
+            SettingsHolder() { /* ... */ }
+    };
+
+}

libraries/libstratosphere/source/htclow/ctrl/htclow_ctrl_state.hpp

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::htclow::ctrl {
+
+    enum HtcctrlState : u32 {
+        /* ... */
+    };
+
+}

libraries/libstratosphere/source/htclow/ctrl/htclow_ctrl_state_machine.hpp

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+#include "htclow_ctrl_state.hpp"
+
+namespace ams::htclow::ctrl {
+
+    class HtcctrlStateMachine {
+        private:
+            struct ServiceChannelState {
+                u32 _00;
+                u32 _04;
+            };
+
+            static constexpr int MaxChannelCount = 10;
+
+            using MapType = util::FixedMap<impl::ChannelInternalType, ServiceChannelState>;
+
+            static constexpr size_t MapRequiredMemorySize = MapType::GetRequiredMemorySize(MaxChannelCount);
+        private:
+            u8 m_map_buffer[MapRequiredMemorySize];
+            MapType m_map;
+            HtcctrlState m_state;
+            HtcctrlState m_prev_state;
+            os::SdkMutex m_mutex;
+        public:
+            HtcctrlStateMachine();
+    };
+
+}

libraries/libstratosphere/source/htclow/driver/htclow_driver_manager.hpp

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+#include "htclow_i_driver.hpp"
+
+namespace ams::htclow::driver {
+
+    class DriverManager {
+        private:
+            std::optional<htclow::impl::DriverType> m_driver_type{};
+            /* TODO: SocketDriver m_socket_driver; */
+            /* TODO: UsbDriver m_usb_driver; */
+            /* TODO: PlainChannelDriver m_plain_channel_driver; */
+            os::SdkMutex m_mutex{};
+            IDriver *m_open_driver{};
+        public:
+            DriverManager() = default;
+    };
+
+}

libraries/libstratosphere/source/htclow/driver/htclow_i_driver.hpp

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::htclow::driver {
+
+    class IDriver {
+        public:
+            virtual Result Open()                              = 0;
+            virtual void Close()                               = 0;
+            virtual Result Connect(os::EventType *event)       = 0;
+            virtual void Shutdown()                            = 0;
+            virtual Result Send(const void *src, int src_size) = 0;
+            virtual Result Receive(void *dst, int dst_size)    = 0;
+            virtual void CancelSendReceive()                   = 0;
+            virtual void Suspend()                             = 0;
+            virtual void Resume()                              = 0;
+    };
+
+}

libraries/libstratosphere/source/htclow/htclow_listener.hpp

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+#include "htclow_worker.hpp"
+
+namespace ams::htclow {
+
+    class Listener {
+        private:
+            u32 m_thread_stack_size;
+            mem::StandardAllocator *m_allocator;
+            mux::Mux *m_mux;
+            ctrl::HtcctrlService *m_service;
+            Worker *m_worker;
+            os::EventType m_event;
+            os::ThreadType m_listen_thread;
+            void *m_listen_thread_stack;
+            driver::IDriver *m_driver;
+            bool m_thread_running;
+            bool m_cancelled;
+        public:
+            Listener(mem::StandardAllocator *allocator, mux::Mux *mux, ctrl::HtcctrlService *ctrl_srv, Worker *worker);
+    };
+
+}

libraries/libstratosphere/source/htclow/htclow_manager.cpp

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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 "htclow_manager.hpp"
+#include "htclow_manager_impl.hpp"
+
+namespace ams::htclow {
+
+    HtclowManager::HtclowManager(mem::StandardAllocator *allocator) : m_allocator(allocator), m_impl(static_cast<HtclowManagerImpl *>(allocator->Allocate(sizeof(HtclowManagerImpl), alignof(HtclowManagerImpl)))) {
+        std::construct_at(m_impl, m_allocator);
+    }
+
+    HtclowManager::~HtclowManager() {
+        std::destroy_at(m_impl);
+        m_allocator->Free(m_impl);
+    }
+
+    Result HtclowManager::OpenDriver(impl::DriverType driver_type) {
+        return m_impl->OpenDriver(driver_type);
+    }
+
+    void HtclowManager::CloseDriver() {
+        return m_impl->CloseDriver();
+    }
+
+    void HtclowManager::Disconnect() {
+        return m_impl->Disconnect();
+    }
+
+}

libraries/libstratosphere/source/htclow/htclow_manager.hpp

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::htclow {
+
+    class HtclowManagerImpl;
+
+    class HtclowManager {
+        private:
+            mem::StandardAllocator *m_allocator;
+            HtclowManagerImpl *m_impl;
+        public:
+            HtclowManager(mem::StandardAllocator *allocator);
+            ~HtclowManager();
+        public:
+            Result OpenDriver(impl::DriverType driver_type);
+            void CloseDriver();
+
+            void Disconnect();
+    };
+
+}

libraries/libstratosphere/source/htclow/htclow_manager_holder.cpp

@@ -14,6 +14,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include <stratosphere.hpp>
+#include "htclow_manager.hpp"
 
 namespace ams::htclow::HtclowManagerHolder {
 
@@ -39,14 +40,14 @@ namespace ams::htclow::HtclowManagerHolder {
             /* Initialize the allocator for the manager. */
             g_allocator.Initialize(g_heap_buffer, sizeof(g_heap_buffer));
 
-            /* TODO: Allocate the manager. */
-            /* g_manager = g_allocator.Allocate(sizeof(HtclowManager), alignof(HtclowManager)); */
+            /* Allocate the manager. */
+            g_manager = static_cast<HtclowManager *>(g_allocator.Allocate(sizeof(HtclowManager), alignof(HtclowManager)));
 
-            /* TODO: Construct the manager. */
-            /* std::construct_at(g_manager, std::addressof(g_allocator)); */
+            /* Construct the manager. */
+            std::construct_at(g_manager, std::addressof(g_allocator));
 
-            /* TODO: Open the driver. */
-            /* R_ABORT_UNLESS(g_manager->OpenDriver(g_default_driver_type)); */
+            /* Open the driver. */
+            R_ABORT_UNLESS(g_manager->OpenDriver(g_default_driver_type));
         }
 
         AMS_ASSERT(g_holder_reference_count > 0);
@@ -58,16 +59,16 @@ namespace ams::htclow::HtclowManagerHolder {
         AMS_ASSERT(g_holder_reference_count > 0);
 
         if ((--g_holder_reference_count) == 0) {
-            /* TODO: Disconnect. */
-            /* g_manager->Disconnect(); */
+            /* Disconnect. */
+            g_manager->Disconnect();
 
-            /* TODO: Close the driver. */
-            /* g_manager->CloseDriver(); */
+            /* Close the driver. */
+            g_manager->CloseDriver();
 
-            /* TODO: Destroy the manager. */
-            /* std::destroy_at(g_manager); */
-            /* g_allocator.Free(g_manager); */
-            /* g_manager = nullptr; */
+            /* Destroy the manager. */
+            std::destroy_at(g_manager);
+            g_allocator.Free(g_manager);
+            g_manager = nullptr;
 
             /* Finalize the allocator. */
             g_allocator.Finalize();
@@ -75,6 +76,8 @@ namespace ams::htclow::HtclowManagerHolder {
     }
 
     HtclowManager *GetHtclowManager() {
+        std::scoped_lock lk(g_holder_mutex);
+
         return g_manager;
     }
 

libraries/libstratosphere/source/htclow/htclow_manager_impl.cpp

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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 "htclow_manager_impl.hpp"
+
+namespace ams::htclow {
+
+    HtclowManagerImpl::HtclowManagerImpl(mem::StandardAllocator *allocator)
+        : m_packet_factory(allocator), m_driver_manager(), m_mux(std::addressof(m_packet_factory), std::addressof(m_ctrl_state_machine)),
+          m_ctrl_packet_factory(allocator), m_ctrl_state_machine(), m_ctrl_service(std::addressof(m_ctrl_packet_factory), std::addressof(m_ctrl_state_machine), std::addressof(m_mux)),
+          m_worker(allocator, std::addressof(m_mux), std::addressof(m_ctrl_service)),
+          m_listener(allocator, std::addressof(m_mux), std::addressof(m_ctrl_service), std::addressof(m_worker))
+    {
+        /* ... */
+    }
+
+    HtclowManagerImpl::~HtclowManagerImpl() {
+        /* ... */
+    }
+
+    //Result HtclowManagerImpl::OpenDriver(impl::DriverType driver_type);
+    //
+    //void HtclowManagerImpl::CloseDriver();
+    //
+    //void HtclowManagerImpl::Disconnect();
+
+}

libraries/libstratosphere/source/htclow/htclow_manager_impl.hpp

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+#include "htclow_packet_factory.hpp"
+#include "driver/htclow_driver_manager.hpp"
+#include "mux/htclow_mux.hpp"
+#include "ctrl/htclow_ctrl_packet_factory.hpp"
+#include "ctrl/htclow_ctrl_state_machine.hpp"
+#include "ctrl/htclow_ctrl_service.hpp"
+#include "htclow_worker.hpp"
+#include "htclow_listener.hpp"
+
+namespace ams::htclow {
+
+    class HtclowManagerImpl {
+        private:
+            PacketFactory m_packet_factory;
+            driver::DriverManager m_driver_manager;
+            mux::Mux m_mux;
+            ctrl::HtcctrlPacketFactory m_ctrl_packet_factory;
+            ctrl::HtcctrlStateMachine m_ctrl_state_machine;
+            ctrl::HtcctrlService m_ctrl_service;
+            Worker m_worker;
+            Listener m_listener;
+            bool m_is_driver_open;
+        public:
+            HtclowManagerImpl(mem::StandardAllocator *allocator);
+            ~HtclowManagerImpl();
+        public:
+            Result OpenDriver(impl::DriverType driver_type);
+            void CloseDriver();
+
+            void Disconnect();
+    };
+
+}

libraries/libstratosphere/source/htclow/htclow_packet.hpp

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::htclow {
+
+    class Packet : public util::IntrusiveListBaseNode<Packet> {
+        /* TODO */
+    };
+
+}

libraries/libstratosphere/source/htclow/htclow_packet_factory.hpp

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::htclow {
+
+    class PacketFactory {
+        private:
+            mem::StandardAllocator *m_allocator;
+        public:
+            PacketFactory(mem::StandardAllocator *allocator) : m_allocator(allocator) { /* ... */ }
+    };
+
+}

libraries/libstratosphere/source/htclow/htclow_worker.hpp

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+#include "driver/htclow_i_driver.hpp"
+#include "ctrl/htclow_ctrl_service.hpp"
+#include "mux/htclow_mux.hpp"
+
+namespace ams::htclow {
+
+    class Worker {
+        private:
+            u32 m_thread_stack_size;
+            u8 m_04[0x7C024]; /* TODO... not knowing what an almost 128 KB field is is embarassing. */
+            mem::StandardAllocator *m_allocator;
+            mux::Mux *m_mux;
+            ctrl::HtcctrlService *m_service;
+            driver::IDriver *m_driver;
+            os::ThreadType m_receive_thread;
+            os::ThreadType m_send_thread;
+            os::EventType m_event;
+            void *m_receive_thread_stack;
+            void *m_send_thread_stack;
+            u8 m_7C400;
+        public:
+            Worker(mem::StandardAllocator *allocator, mux::Mux *mux, ctrl::HtcctrlService *ctrl_srv);
+    };
+
+}

libraries/libstratosphere/source/htclow/mux/htclow_mux.hpp

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+#include "htclow_mux_task_manager.hpp"
+#include "htclow_mux_channel_impl_map.hpp"
+#include "htclow_mux_global_send_buffer.hpp"
+
+namespace ams::htclow::mux {
+
+    class Mux {
+        private:
+            PacketFactory *m_packet_factory;
+            ctrl::HtcctrlStateMachine *m_state_machine;
+            TaskManager m_task_manager;
+            os::EventType m_wake_event;
+            ChannelImplMap m_channel_impl_map;
+            GlobalSendBuffer m_global_send_buffer;
+            os::SdkMutex m_mutex;
+            bool m_is_sleeping;
+            u16 m_version;
+        public:
+            Mux(PacketFactory *pf, ctrl::HtcctrlStateMachine *sm);
+    };
+
+}

libraries/libstratosphere/source/htclow/mux/htclow_mux_channel_impl_map.hpp

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+#include "htclow_mux_task_manager.hpp"
+
+namespace ams::htclow {
+
+    class PacketFactory;
+
+    namespace ctrl {
+
+        class HtcctrlStateMachine;
+
+    }
+
+}
+
+namespace ams::htclow::mux {
+
+    class ChannelImplMap {
+        NON_COPYABLE(ChannelImplMap);
+        NON_MOVEABLE(ChannelImplMap);
+        public:
+            static constexpr int MaxChannelCount = 64;
+
+            using MapType = util::FixedMap<impl::ChannelInternalType, int>;
+
+            static constexpr size_t MapRequiredMemorySize = MapType::GetRequiredMemorySize(MaxChannelCount);
+        private:
+            PacketFactory *m_packet_factory;
+            ctrl::HtcctrlStateMachine *m_state_machine;
+            TaskManager *m_task_manager;
+            os::EventType *m_event;
+            u8 m_map_buffer[MapRequiredMemorySize];
+            MapType m_map;
+            u8 m_storage[0x5200]; /* TODO */
+            bool m_storage_valid[MaxChannelCount];
+        public:
+            ChannelImplMap(PacketFactory *pf, ctrl::HtcctrlStateMachine *sm, TaskManager *tm, os::EventType *ev);
+    };
+
+}

libraries/libstratosphere/source/htclow/mux/htclow_mux_global_send_buffer.hpp

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+#include "../htclow_packet.hpp"
+
+namespace ams::htclow {
+
+    class PacketFactory;
+
+}
+
+namespace ams::htclow::mux {
+
+    class GlobalSendBuffer {
+        private:
+            using PacketList = util::IntrusiveListBaseTraits<Packet>::ListType;
+        private:
+            PacketFactory *m_packet_factory;
+            PacketList m_packet_list;
+        public:
+            GlobalSendBuffer(PacketFactory *pf) : m_packet_factory(pf), m_packet_list() { /* ... */ }
+    };
+
+}

libraries/libstratosphere/source/htclow/mux/htclow_mux_task_manager.hpp

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2019-2020 Adubbz, 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::htclow::mux {
+
+    constexpr inline int MaxTaskCount = 0x80;
+
+    class TaskManager {
+        private:
+            struct Task {
+                impl::ChannelInternalType channel;
+                os::EventType event;
+                u8 _30;
+                u8 _31;
+                u8 _32;
+                u64 _38;
+            };
+        private:
+            bool m_valid[MaxTaskCount];
+            Task m_tasks[MaxTaskCount];
+        public:
+            TaskManager() : m_valid() { /* ... */ }
+    };
+
+}