| 1 | |
| 2 |
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| 3 | |
| 4 |
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| 5 | use kernel::{
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| 6 | acpi,
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| 7 | device::Core,
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| 8 | i2c,
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| 9 | of,
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| 10 | prelude::*, |
| 11 | };
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| 12 |
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| 13 | struct SampleDriver;
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| 14 |
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| 15 | kernel::acpi_device_table! {
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| 16 | ACPI_TABLE,
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| 17 | <SampleDriver as i2c::Driver>::IdInfo,
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| 18 | [(acpi::DeviceId::new(c"LNUXBEEF"), 0)]
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| 19 | }
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| 20 |
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| 21 | kernel::i2c_device_table! {
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| 22 | I2C_TABLE,
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| 23 | <SampleDriver as i2c::Driver>::IdInfo,
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| 24 | [(i2c::DeviceId::new(c"rust_driver_i2c"), 0)]
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| 25 | }
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| 26 |
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| 27 | kernel::of_device_table! {
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| 28 | OF_TABLE,
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| 29 | <SampleDriver as i2c::Driver>::IdInfo,
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| 30 | [(of::DeviceId::new(c"test,rust_driver_i2c"), 0)]
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| 31 | }
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| 32 |
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| 33 | impl i2c::Driver for SampleDriver {
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| 34 | type IdInfo = u32;
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| 35 | type Data<'bound> = Self;
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| 36 |
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| 37 | const ACPI_ID_TABLE: Option<acpi::IdTable<Self::IdInfo>> = Some(&ACPI_TABLE);
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| 38 | const I2C_ID_TABLE: Option<i2c::IdTable<Self::IdInfo>> = Some(&I2C_TABLE);
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| 39 | const OF_ID_TABLE: Option<of::IdTable<Self::IdInfo>> = Some(&OF_TABLE);
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| 40 |
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| 41 | fn probe<'bound>(
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| 42 | idev: &'bound i2c::I2cClient<Core<'_>>,
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| 43 | info: Option<&'bound Self::IdInfo>,
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| 44 | ) -> impl PinInit<Self, Error> + 'bound {
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| 45 | let dev = idev.as_ref();
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| 46 |
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| 47 | dev_info!(dev, "Probe Rust I2C driver sample.\n");
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| 48 |
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| 49 | if let Some(info) = info {
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| 50 | dev_info!(dev, "Probed with info: '{}'.\n", info);
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| 51 | }
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| 52 |
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| 53 | Ok(Self)
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| 54 | }
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| 55 |
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| 56 | fn shutdown<'bound>(idev: &'bound i2c::I2cClient<Core<'_>>, _this: Pin<&Self>) {
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| 57 | dev_info!(idev.as_ref(), "Shutdown Rust I2C driver sample.\n");
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| 58 | }
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| 59 |
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| 60 | fn unbind<'bound>(idev: &'bound i2c::I2cClient<Core<'_>>, _this: Pin<&Self>) {
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| 61 | dev_info!(idev.as_ref(), "Unbind Rust I2C driver sample.\n");
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| 62 | }
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| 63 | }
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| 64 |
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| 65 | kernel::module_i2c_driver! {
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| 66 | type: SampleDriver,
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| 67 | name: "rust_driver_i2c",
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| 68 | authors: ["Igor Korotin"],
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| 69 | description: "Rust I2C driver",
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| 70 | license: "GPL v2",
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| 71 | }
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