Kernel/HID: Introduce initial USB mouse support

Kernel/Bus/USB/Drivers/HID/Codes.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2023, Liav A. <liavalb@hotmail.co.il>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/StdLibExtraDetails.h>
+#include <AK/StringView.h>
+#include <AK/Types.h>
+
+namespace Kernel::USB::HID {
+
+enum class SubclassCode : u8 {
+    BootProtocol = 0x01,
+};
+
+struct [[gnu::packed]] MouseBootProtocolPacket {
+    u8 buttons;
+    i8 x;
+    i8 y;
+    i8 z;
+    i8 reserved1;
+    i8 reserved2;
+};
+
+static_assert(AssertSize<MouseBootProtocolPacket, 6>());
+
+constexpr StringView subclass_string(SubclassCode code)
+{
+    switch (code) {
+    case SubclassCode::BootProtocol:
+        return "Boot Protocol"sv;
+    }
+
+    return "Reserved"sv;
+}
+
+enum class InterfaceProtocol : u8 {
+    Mouse = 0x02,
+};
+
+}