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Diffstat (limited to 'samples/rust/rust_driver_i2c.rs')
| -rw-r--r-- | samples/rust/rust_driver_i2c.rs | 74 |
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", +} |
