Remove virtio-input-decoder dependence

Cargo.lock

@@ -189,15 +189,16 @@ dependencies = [
 name = "aster-input"
 version = "0.1.0"
 dependencies = [
+ "ascii",
  "aster-frame",
  "aster-rights",
  "aster-util",
  "bitflags 1.3.2",
  "component",
+ "int-to-c-enum",
  "lazy_static",
  "log",
  "spin 0.9.8",
- "virtio-input-decoder",
 ]
 
 [[package]]
@@ -342,7 +343,6 @@ dependencies = [
  "smoltcp",
  "spin 0.9.8",
  "typeflags-util",
- "virtio-input-decoder",
 ]
 
 [[package]]

services/comps/input/Cargo.toml

@@ -12,8 +12,9 @@ aster-frame = { path = "../../../framework/aster-frame" }
 aster-util = { path = "../../libs/aster-util" }
 aster-rights = { path = "../../libs/aster-rights" }
 component = { path = "../../libs/comp-sys/component" }
-virtio-input-decoder = "0.1.4"
+int-to-c-enum = { path = "../../libs/int-to-c-enum" }
 log = "0.4"
+ascii = { version = "1.1", default-features = false, features = ["alloc"] }
 
 [features]
 

services/comps/input/src/key.rs

@@ -0,0 +1,128 @@
+// SPDX-License-Identifier: MPL-2.0
+
+use int_to_c_enum::TryFromInt;
+
+#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Copy, TryFromInt)]
+#[repr(u16)]
+pub enum Key {
+    Reserved = 0,
+    ESC = 1,
+    One = 2,
+    Two = 3,
+    Three = 4,
+    Four = 5,
+    Five = 6,
+    Six = 7,
+    Seven = 8,
+    Eight = 9,
+    Nine = 10,
+    Zero = 11,
+    Minus = 12,
+    Equal = 13,
+    BackSpace = 14,
+    Tab = 15,
+    Q = 16,
+    W = 17,
+    E = 18,
+    R = 19,
+    T = 20,
+    Y = 21,
+    U = 22,
+    I = 23,
+    O = 24,
+    P = 25,
+    /// Symbol: [
+    LeftBrace = 26,
+    /// Symbol: ]
+    RightBrace = 27,
+    Enter = 28,
+    LeftCtrl = 29,
+    A = 30,
+    S = 31,
+    D = 32,
+    F = 33,
+    G = 34,
+    H = 35,
+    J = 36,
+    K = 37,
+    L = 38,
+    /// Symbol: ;
+    SemiColon = 39,
+    /// Symbol: '
+    Apostrophe = 40,
+    /// Symbol: `
+    Grave = 41,
+    LeftShift = 42,
+    /// Symbol: \
+    BackSlash = 43,
+    Z = 44,
+    X = 45,
+    C = 46,
+    V = 47,
+    B = 48,
+    N = 49,
+    M = 50,
+    Comma = 51,
+    Dot = 52,
+    // Symbol: /
+    Slash = 53,
+    RightShift = 54,
+    /// Keypad asterisk, Symbol: *
+    KpAsterisk = 55,
+    LeftAlt = 56,
+    Space = 57,
+    Capslock = 58,
+    F1 = 59,
+    F2 = 60,
+    F3 = 61,
+    F4 = 62,
+    F5 = 63,
+    F6 = 64,
+    F7 = 65,
+    F8 = 66,
+    F9 = 67,
+    F10 = 68,
+    NumLock = 69,
+    ScrollLock = 70,
+    Kp7 = 71,
+    Kp8 = 72,
+    Kp9 = 73,
+    KpMinus = 74,
+    Kp4 = 75,
+    Kp5 = 76,
+    Kp6 = 77,
+    KpPlus = 78,
+    Kp1 = 79,
+    Kp2 = 80,
+    Kp3 = 81,
+    Kp0 = 82,
+    KpDot = 83,
+
+    F11 = 87,
+    F12 = 88,
+
+    KpEnter = 96,
+    RightCtrl = 97,
+    KpSlash = 98,
+
+    RightAlt = 100,
+    LineFeed = 101,
+    Home = 102,
+    Up = 103,
+    PageUp = 104,
+    Left = 105,
+    Right = 106,
+    End = 107,
+    Down = 108,
+    PageDown = 109,
+    Insert = 110,
+    Delete = 111,
+
+    LeftMeta = 125,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum KeyStatus {
+    Pressed,
+    Released,
+}

services/comps/input/src/lib.rs

@@ -6,6 +6,9 @@
 #![feature(fn_traits)]
 
 extern crate alloc;
+
+pub mod key;
+
 use core::any::Any;
 use core::fmt::Debug;
 
@@ -18,11 +21,18 @@ use component::ComponentInitError;
 
 use aster_frame::sync::SpinLock;
 use spin::Once;
-use virtio_input_decoder::DecodeType;
+
+use key::Key;
+use key::KeyStatus;
+
+#[derive(Debug, Clone, Copy)]
+pub enum InputEvent {
+    KeyBoard(Key, KeyStatus),
+}
 
 pub trait InputDevice: Send + Sync + Any + Debug {
     fn handle_irq(&self) -> Option<()>;
-    fn register_callbacks(&self, function: &'static (dyn Fn(DecodeType) + Send + Sync));
+    fn register_callbacks(&self, function: &'static (dyn Fn(InputEvent) + Send + Sync));
 }
 
 pub fn register_device(name: String, device: Arc<dyn InputDevice>) {

services/comps/virtio/Cargo.toml

@@ -8,7 +8,6 @@ edition = "2021"
 [dependencies]
 bitflags = "1.3"
 spin = "0.9.4"
-virtio-input-decoder = "0.1.4"
 bytes = { version = "1.4.0", default-features = false }
 align_ext = { path = "../../../framework/libs/align_ext" }
 aster-input = { path = "../input" }

services/comps/virtio/src/device/input/device.rs

@@ -10,13 +10,16 @@ use alloc::{
     vec::Vec,
 };
 use aster_frame::{io_mem::IoMem, offset_of, sync::SpinLock, trap::TrapFrame};
+use aster_input::{
+    key::{Key, KeyStatus},
+    InputEvent,
+};
 use aster_util::{field_ptr, safe_ptr::SafePtr};
 use bitflags::bitflags;
 use log::{debug, info};
 use pod::Pod;
-use virtio_input_decoder::{DecodeType, Decoder};
 
-use super::{InputConfigSelect, InputEvent, VirtioInputConfig, QUEUE_EVENT, QUEUE_STATUS};
+use super::{InputConfigSelect, VirtioInputConfig, VirtioInputEvent, QUEUE_EVENT, QUEUE_STATUS};
 
 bitflags! {
     /// The properties of input device.
@@ -64,9 +67,9 @@ pub struct InputDevice {
     config: SafePtr<VirtioInputConfig, IoMem>,
     event_queue: SpinLock<VirtQueue>,
     status_queue: VirtQueue,
-    event_buf: SpinLock<Box<[InputEvent; QUEUE_SIZE as usize]>>,
+    event_buf: SpinLock<Box<[VirtioInputEvent; QUEUE_SIZE as usize]>>,
     #[allow(clippy::type_complexity)]
-    callbacks: SpinLock<Vec<Arc<dyn Fn(DecodeType) + Send + Sync + 'static>>>,
+    callbacks: SpinLock<Vec<Arc<dyn Fn(InputEvent) + Send + Sync + 'static>>>,
     transport: Box<dyn VirtioTransport>,
 }
 
@@ -74,7 +77,7 @@ impl InputDevice {
     /// Create a new VirtIO-Input driver.
     /// msix_vector_left should at least have one element or n elements where n is the virtqueue amount
     pub fn init(mut transport: Box<dyn VirtioTransport>) -> Result<(), VirtioDeviceError> {
-        let mut event_buf = Box::new([InputEvent::default(); QUEUE_SIZE as usize]);
+        let mut event_buf = Box::new([VirtioInputEvent::default(); QUEUE_SIZE as usize]);
         let mut event_queue = VirtQueue::new(QUEUE_EVENT, QUEUE_SIZE, transport.as_mut())
             .expect("create event virtqueue failed");
         let status_queue = VirtQueue::new(QUEUE_STATUS, QUEUE_SIZE, transport.as_mut())
@@ -139,7 +142,7 @@ impl InputDevice {
     }
 
     /// Pop the pending event.
-    pub fn pop_pending_event(&self) -> Option<InputEvent> {
+    pub fn pop_pending_event(&self) -> Option<VirtioInputEvent> {
         let mut lock = self.event_queue.lock();
         if let Ok((token, _)) = lock.pop_used() {
             if token >= QUEUE_SIZE {
@@ -192,31 +195,29 @@ impl aster_input::InputDevice for InputDevice {
             let Some(event) = self.pop_pending_event() else {
                 return Some(());
             };
-            let dtype = match Decoder::decode(
-                event.event_type as usize,
-                event.code as usize,
-                event.value as usize,
-            ) {
-                Ok(dtype) => dtype,
-                Err(_) => return Some(()),
-            };
-            let lock = self.callbacks.lock();
-            for callback in lock.iter() {
-                callback.call((dtype,));
+            match event.event_type {
+                0 => return Some(()),
+                // Keyboard
+                1 => {}
+                // TODO: Support mouse device.
+                _ => continue,
             }
-            match dtype {
-                virtio_input_decoder::DecodeType::Key(key, r#type) => {
-                    info!("{:?} {:?}", key, r#type);
-                }
-                virtio_input_decoder::DecodeType::Mouse(mouse) => info!("{:?}", mouse),
+            let status = match event.value {
+                1 => KeyStatus::Pressed,
+                0 => KeyStatus::Released,
+                _ => return Some(()),
+            };
+            let event = InputEvent::KeyBoard(Key::try_from(event.code).unwrap(), status);
+            info!("Input Event:{:?}", event);
+
+            let callbacks = self.callbacks.lock();
+            for callback in callbacks.iter() {
+                callback.call((event,));
             }
         }
     }
 
-    fn register_callbacks(
-        &self,
-        function: &'static (dyn Fn(virtio_input_decoder::DecodeType) + Send + Sync),
-    ) {
+    fn register_callbacks(&self, function: &'static (dyn Fn(InputEvent) + Send + Sync)) {
         self.callbacks.lock().push(Arc::new(function))
     }
 }

services/comps/virtio/src/device/input/mod.rs

@@ -103,7 +103,7 @@ struct DevIDs {
 /// are filled according to the Linux input layer (evdev) interface.
 #[repr(C)]
 #[derive(Clone, Copy, Debug, Default, Pod)]
-pub struct InputEvent {
+pub struct VirtioInputEvent {
     /// Event type.
     pub event_type: u16,
     /// Event code.