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- use alloc::{
- string::{String, ToString},
- sync::{Arc, Weak},
- };
- use crate::{
- driver::base::{
- class::Class,
- device::{
- bus::Bus, driver::Driver, Device, DeviceCommonData, DeviceState, DeviceType, IdTable,
- },
- kobject::{KObjType, KObject, KObjectCommonData, KObjectState, LockedKObjectState},
- kset::KSet,
- platform::platform_device::PlatformDevice,
- },
- filesystem::kernfs::KernFSInode,
- libs::{
- rwlock::{RwLockReadGuard, RwLockWriteGuard},
- spinlock::{SpinLock, SpinLockGuard},
- },
- };
- #[derive(Debug)]
- #[cast_to([sync] Device)]
- #[cast_to([sync] PlatformDevice)]
- pub struct I8042PlatformDevice {
- inner: SpinLock<InnerI8042PlatformDevice>,
- kobj_state: LockedKObjectState,
- }
- impl I8042PlatformDevice {
- pub const NAME: &'static str = "i8042";
- pub fn new() -> Self {
- return Self {
- inner: SpinLock::new(InnerI8042PlatformDevice {
- kobject_common: KObjectCommonData::default(),
- device_common: DeviceCommonData::default(),
- device_state: DeviceState::NotInitialized,
- pdev_id: 0,
- pdev_id_auto: false,
- }),
- kobj_state: LockedKObjectState::new(None),
- };
- }
- fn inner(&self) -> SpinLockGuard<InnerI8042PlatformDevice> {
- self.inner.lock()
- }
- }
- #[derive(Debug)]
- pub struct InnerI8042PlatformDevice {
- kobject_common: KObjectCommonData,
- device_common: DeviceCommonData,
- device_state: DeviceState,
- pdev_id: i32,
- pdev_id_auto: bool,
- }
- impl Device for I8042PlatformDevice {
- fn dev_type(&self) -> DeviceType {
- DeviceType::Char
- }
- fn id_table(&self) -> IdTable {
- IdTable::new(self.name(), None)
- }
- fn bus(&self) -> Option<Weak<dyn Bus>> {
- self.inner().device_common.bus.clone()
- }
- fn set_bus(&self, bus: Option<Weak<dyn Bus>>) {
- self.inner().device_common.bus = bus;
- }
- fn class(&self) -> Option<Arc<dyn Class>> {
- let mut guard = self.inner();
- let r = guard.device_common.class.clone()?.upgrade();
- if r.is_none() {
- guard.device_common.class = None;
- }
- return r;
- }
- fn set_class(&self, class: Option<Weak<dyn Class>>) {
- self.inner().device_common.class = class;
- }
- fn driver(&self) -> Option<Arc<dyn Driver>> {
- self.inner().device_common.driver.clone()?.upgrade()
- }
- fn set_driver(&self, driver: Option<Weak<dyn Driver>>) {
- self.inner().device_common.driver = driver;
- }
- fn is_dead(&self) -> bool {
- false
- }
- fn can_match(&self) -> bool {
- true
- }
- fn set_can_match(&self, _can_match: bool) {}
- fn state_synced(&self) -> bool {
- true
- }
- fn dev_parent(&self) -> Option<Weak<dyn Device>> {
- self.inner().device_common.get_parent_weak_or_clear()
- }
- fn set_dev_parent(&self, dev_parent: Option<Weak<dyn Device>>) {
- self.inner().device_common.parent = dev_parent;
- }
- }
- impl KObject for I8042PlatformDevice {
- fn as_any_ref(&self) -> &dyn core::any::Any {
- self
- }
- fn set_inode(&self, inode: Option<Arc<KernFSInode>>) {
- self.inner().kobject_common.kern_inode = inode;
- }
- fn inode(&self) -> Option<Arc<KernFSInode>> {
- self.inner().kobject_common.kern_inode.clone()
- }
- fn parent(&self) -> Option<Weak<dyn KObject>> {
- self.inner().kobject_common.parent.clone()
- }
- fn set_parent(&self, parent: Option<Weak<dyn KObject>>) {
- self.inner().kobject_common.parent = parent;
- }
- fn kset(&self) -> Option<Arc<KSet>> {
- self.inner().kobject_common.kset.clone()
- }
- fn set_kset(&self, kset: Option<Arc<KSet>>) {
- self.inner().kobject_common.kset = kset;
- }
- fn kobj_type(&self) -> Option<&'static dyn KObjType> {
- self.inner().kobject_common.kobj_type
- }
- fn set_kobj_type(&self, ktype: Option<&'static dyn KObjType>) {
- self.inner().kobject_common.kobj_type = ktype;
- }
- fn name(&self) -> String {
- Self::NAME.to_string()
- }
- fn set_name(&self, _name: String) {
- // do nothing
- }
- fn kobj_state(&self) -> RwLockReadGuard<KObjectState> {
- self.kobj_state.read()
- }
- fn kobj_state_mut(&self) -> RwLockWriteGuard<KObjectState> {
- self.kobj_state.write()
- }
- fn set_kobj_state(&self, state: KObjectState) {
- *self.kobj_state.write() = state;
- }
- }
- impl PlatformDevice for I8042PlatformDevice {
- fn pdev_name(&self) -> &str {
- Self::NAME
- }
- fn set_pdev_id(&self, id: i32) {
- self.inner.lock().pdev_id = id;
- }
- fn set_pdev_id_auto(&self, id_auto: bool) {
- self.inner.lock().pdev_id_auto = id_auto;
- }
- fn is_initialized(&self) -> bool {
- self.inner.lock().device_state == DeviceState::Initialized
- }
- fn set_state(&self, set_state: DeviceState) {
- self.inner.lock().device_state = set_state;
- }
- }
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