system/fidl/ddk/protocols/libs/usb.fidl

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

library zircon.hw.usb;

[repr="C"]
enum UsbSpeed : uint8 {
    UNDEFINED = 0;
    FULL = 1;
    LOW = 2;
    HIGH = 3;
    SUPER = 4;
};

[Packed, repr="C"]
struct UsbSetup {
    uint8 bmRequestType;
    uint8 bRequest;
    uint16 wValue;
    uint16 wIndex;
    uint16 wLength;
};

[Packed, repr="C"]
struct UsbDescriptorHeader {
    uint8 bLength;
    uint8 bDescriptorType;
};

[Packed, repr="C"]
struct UsbDeviceDescriptor {
    uint8 bLength;
    uint8 bDescriptorType;
    uint16 bcdUSB;
    uint8 bDeviceClass;
    uint8 bDeviceSubClass;
    uint8 bDeviceProtocol;
    uint8 bMaxPacketSize0;
    uint16 idVendor;
    uint16 idProduct;
    uint16 bcdDevice;
    uint8 iManufacturer;
    uint8 iProduct;
    uint8 iSerialNumber;
    uint8 bNumConfigurations;
};

[Packed, repr="C"]
struct UsbInterfaceDescriptor {
    uint8 bLength;
    uint8 bDescriptorType;
    uint8 bInterfaceNumber;
    uint8 bAlternateSetting;
    uint8 bNumEndpoints;
    uint8 bInterfaceClass;
    uint8 bInterfaceSubClass;
    uint8 bInterfaceProtocol;
    uint8 iInterface;
};

[Packed, repr="C"]
struct UsbEndpointDescriptor {
    uint8 bLength;
    uint8 bDescriptorType;
    uint8 bEndpointAddress;
    uint8 bmAttributes;
    uint16 wMaxPacketSize;
    uint8 bInterval;
};

[Packed, repr="C"]
struct UsbSsEpCompDescriptor {
    uint8 bLength;
    uint8 bDescriptorType;
    uint8 bMaxBurst;
    uint8 bmAttributes;
    uint16 wBytesPerInterval;
};