system/fidl/ddk/protocols/usb-hci.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 ddk.protocol.usb_hci;

using ddk.protocol.usb;
using ddk.protocol.usb_bus;
using zircon.hw.usb;
using zircon.hw.usb_hub;
using zx;

[Layout="ddk-protocol"]
interface UsbHci {
    1: RequestQueue(ddk.protocol.usb.UsbRequest? usb_request) -> ();
    2: SetBusInterface(ddk.protocol.usb_bus.UsbBusInterface bus_intf) -> ();
    3: GetMaxDeviceCount() -> (usize count);
    /// Enables or disables an endpoint using parameters derived from |ep_desc|.
    4: EnableEndpoint(uint32 device_id, zircon.hw.usb.UsbEndpointDescriptor? ep_desc,
                      zircon.hw.usb.UsbSsEpCompDescriptor? ss_com_desc, bool enable) -> (zx.status s);

    /// Returns the current frame (in milliseconds), used for isochronous transfers.
    5: GetCurrentFrame() -> (uint64 frame);

    /// Hub support.
    6: ConfigureHub(uint32 device_id, zircon.hw.usb.UsbSpeed speed,
                    zircon.hw.usb_hub.UsbHubDescriptor descriptor) -> (zx.status s);
    7: HubDeviceAdded(uint32 device_id, int64 port, zircon.hw.usb.UsbSpeed speed) -> (zx.status s);
    8: HubDeviceRemoved(uint32 device_id, int64 port) -> (zx.status s);
    9: ResetEndpoint(uint32 device_id, uint8 ep_address) -> (zx.status s);
    10: GetMaxTransferSize(uint32 device_id, uint8 ep_address) -> (usize size);
    11: CancelAll(uint32 device_id, uint8 ep_address) -> (usize size);
    12: GetBti() -> (handle<bti> bti);
};