mirror of
https://github.com/SerenityOS/serenity
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8a0a3638f0
This device will be used by userspace to read mouse packets from all mouse devices that are attached to the machine. This change is a preparation before we can enable seamless hotplug capabilities in WindowServer for mouse devices, without any major change on the userspace side.
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/*
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* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Atomic.h>
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#include <AK/Badge.h>
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#include <AK/CircularQueue.h>
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#include <AK/Error.h>
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#include <AK/IntrusiveList.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/RefPtr.h>
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#include <AK/Types.h>
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#include <Kernel/API/KeyCode.h>
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#include <Kernel/Bus/SerialIO/Controller.h>
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#include <Kernel/Devices/HID/AllMiceDevice.h>
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#include <Kernel/Devices/HID/Device.h>
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#include <Kernel/Locking/Spinlock.h>
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#include <Kernel/Locking/SpinlockProtected.h>
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#include <Kernel/UnixTypes.h>
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#include <LibKeyboard/CharacterMapData.h>
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namespace Kernel {
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extern Atomic<bool> g_caps_lock_remapped_to_ctrl;
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class MouseDevice;
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class KeyboardDevice;
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class KeyboardClient;
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class HIDManagement {
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friend class KeyboardDevice;
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friend class MouseDevice;
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friend class AllMiceDevice;
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public:
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HIDManagement();
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static ErrorOr<void> initialize();
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static HIDManagement& the();
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ErrorOr<void> enumerate();
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struct KeymapData {
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KeymapData();
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NonnullOwnPtr<KString> character_map_name;
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Keyboard::CharacterMapData character_map;
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};
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SpinlockProtected<KeymapData, LockRank::None>& keymap_data() { return m_keymap_data; }
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u32 get_char_from_character_map(KeyEvent, u8) const;
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void set_client(KeyboardClient* client);
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void set_maps(NonnullOwnPtr<KString> character_map_name, Keyboard::CharacterMapData const& character_map);
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void attach_standalone_hid_device(HIDDevice&);
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void detach_standalone_hid_device(HIDDevice&);
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void enqueue_mouse_packet(Badge<MouseDevice>, MousePacket);
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private:
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size_t generate_minor_device_number_for_mouse();
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size_t generate_minor_device_number_for_keyboard();
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SpinlockProtected<KeymapData, LockRank::None> m_keymap_data {};
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size_t m_mouse_minor_number { 0 };
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size_t m_keyboard_minor_number { 0 };
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KeyboardClient* m_client { nullptr };
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NonnullRefPtr<AllMiceDevice> m_all_mice_device;
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SpinlockProtected<IntrusiveList<&SerialIOController::m_list_node>, LockRank::None> m_hid_serial_io_controllers;
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// NOTE: This list is used for standalone devices, like USB HID devices
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// (which are not attached via a SerialIO controller in the sense that
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// there's no specific serial IO controller to coordinate their usage).
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SpinlockProtected<IntrusiveList<&HIDDevice::m_list_node>, LockRank::None> m_standalone_hid_devices;
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Spinlock<LockRank::None> m_client_lock;
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};
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class KeyboardClient {
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public:
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virtual ~KeyboardClient() = default;
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virtual void on_key_pressed(KeyEvent) = 0;
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};
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}
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