xref: /linux/samples/rust/rust_driver_usb.rs (revision b0319c4642638bad4b36974055b1c0894b2c7aa9)
1 // SPDX-License-Identifier: GPL-2.0
2 // SPDX-FileCopyrightText: Copyright (C) 2025 Collabora Ltd.
3 
4 //! Rust USB driver sample.
5 
6 use kernel::{device, device::Core, prelude::*, sync::aref::ARef, usb};
7 
8 struct SampleDriver {
9     _intf: ARef<usb::Interface>,
10 }
11 
12 kernel::usb_device_table!(
13     USB_TABLE,
14     MODULE_USB_TABLE,
15     <SampleDriver as usb::Driver>::IdInfo,
16     [(usb::DeviceId::from_id(0x1234, 0x5678), ()),]
17 );
18 
19 impl usb::Driver for SampleDriver {
20     type IdInfo = ();
21     const ID_TABLE: usb::IdTable<Self::IdInfo> = &USB_TABLE;
22 
23     fn probe(
24         intf: &usb::Interface<Core>,
25         _id: &usb::DeviceId,
26         _info: &Self::IdInfo,
27     ) -> impl PinInit<Self, Error> {
28         let dev: &device::Device<Core> = intf.as_ref();
29         dev_info!(dev, "Rust USB driver sample probed\n");
30 
31         Ok(Self { _intf: intf.into() })
32     }
33 
34     fn disconnect(intf: &usb::Interface<Core>, _data: Pin<&Self>) {
35         let dev: &device::Device<Core> = intf.as_ref();
36         dev_info!(dev, "Rust USB driver sample disconnected\n");
37     }
38 }
39 
40 kernel::module_usb_driver! {
41     type: SampleDriver,
42     name: "rust_driver_usb",
43     authors: ["Daniel Almeida"],
44     description: "Rust USB driver sample",
45     license: "GPL v2",
46 }
47