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// SPDX-License-Identifier: GPL-2.0
//! Rust I2C driver sample.
use kernel::{
acpi,
c_str,
device::Core,
i2c,
of,
prelude::*, //
};
struct SampleDriver;
kernel::acpi_device_table! {
ACPI_TABLE,
MODULE_ACPI_TABLE,
<SampleDriver as i2c::Driver>::IdInfo,
[(acpi::DeviceId::new(c_str!("LNUXBEEF")), 0)]
}
kernel::i2c_device_table! {
I2C_TABLE,
MODULE_I2C_TABLE,
<SampleDriver as i2c::Driver>::IdInfo,
[(i2c::DeviceId::new(c_str!("rust_driver_i2c")), 0)]
}
kernel::of_device_table! {
OF_TABLE,
MODULE_OF_TABLE,
<SampleDriver as i2c::Driver>::IdInfo,
[(of::DeviceId::new(c_str!("test,rust_driver_i2c")), 0)]
}
impl i2c::Driver for SampleDriver {
type IdInfo = u32;
const ACPI_ID_TABLE: Option<acpi::IdTable<Self::IdInfo>> = Some(&ACPI_TABLE);
const I2C_ID_TABLE: Option<i2c::IdTable<Self::IdInfo>> = Some(&I2C_TABLE);
const OF_ID_TABLE: Option<of::IdTable<Self::IdInfo>> = Some(&OF_TABLE);
fn probe(
idev: &i2c::I2cClient<Core>,
info: Option<&Self::IdInfo>,
) -> impl PinInit<Self, Error> {
let dev = idev.as_ref();
dev_info!(dev, "Probe Rust I2C driver sample.\n");
if let Some(info) = info {
dev_info!(dev, "Probed with info: '{}'.\n", info);
}
Ok(Self)
}
fn shutdown(idev: &i2c::I2cClient<Core>, _this: Pin<&Self>) {
dev_info!(idev.as_ref(), "Shutdown Rust I2C driver sample.\n");
}
fn unbind(idev: &i2c::I2cClient<Core>, _this: Pin<&Self>) {
dev_info!(idev.as_ref(), "Unbind Rust I2C driver sample.\n");
}
}
kernel::module_i2c_driver! {
type: SampleDriver,
name: "rust_driver_i2c",
authors: ["Igor Korotin"],
description: "Rust I2C driver",
license: "GPL v2",
}
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