mirror of
https://github.com/SerenityOS/serenity
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46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
/*
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* Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
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* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
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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/Types.h>
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namespace Kernel::USB {
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//
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// bmRequestType fields
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//
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// As per Section 9.3 of the USB 2.0 Specification.
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// Note that while some of these values are zero, there are here for convenience.
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// This is because it makes reading the request type easier to read when constructing a USB request.
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//
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static constexpr u8 USB_REQUEST_TRANSFER_DIRECTION_DEVICE_TO_HOST = 0x80;
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static constexpr u8 USB_REQUEST_TRANSFER_DIRECTION_HOST_TO_DEVICE = 0x00;
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static constexpr u8 USB_REQUEST_TYPE_STANDARD = 0x00;
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static constexpr u8 USB_REQUEST_TYPE_CLASS = 0x20;
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static constexpr u8 USB_REQUEST_TYPE_VENDOR = 0x40;
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static constexpr u8 USB_REQUEST_RECIPIENT_DEVICE = 0x00;
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static constexpr u8 USB_REQUEST_RECIPIENT_INTERFACE = 0x01;
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static constexpr u8 USB_REQUEST_RECIPIENT_ENDPOINT = 0x02;
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static constexpr u8 USB_REQUEST_RECIPIENT_OTHER = 0x03;
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//
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// Standard USB request types
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//
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// These are found in Section 9.4 of the USB Spec
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//
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static constexpr u8 USB_REQUEST_GET_STATUS = 0x00;
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static constexpr u8 USB_REQUEST_CLEAR_FEATURE = 0x01;
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static constexpr u8 USB_REQUEST_SET_FEATURE = 0x03;
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static constexpr u8 USB_REQUEST_SET_ADDRESS = 0x05;
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static constexpr u8 USB_REQUEST_GET_DESCRIPTOR = 0x06;
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static constexpr u8 USB_REQUEST_SET_DESCRIPTOR = 0x07;
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static constexpr u8 USB_REQUEST_GET_CONFIGURATION = 0x08;
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static constexpr u8 USB_REQUEST_SET_CONFIGURATION = 0x09;
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}
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