summaryrefslogtreecommitdiff
path: root/samples/rust/rust_driver_i2c.rs
diff options
context:
space:
mode:
Diffstat (limited to 'samples/rust/rust_driver_i2c.rs')
-rw-r--r--samples/rust/rust_driver_i2c.rs74
1 files changed, 74 insertions, 0 deletions
diff --git a/samples/rust/rust_driver_i2c.rs b/samples/rust/rust_driver_i2c.rs
new file mode 100644
index 000000000000..ecefeca3e22f
--- /dev/null
+++ b/samples/rust/rust_driver_i2c.rs
@@ -0,0 +1,74 @@
+// 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",
+}