use alloc::sync::Arc; use system_error::SystemError; use crate::driver::base::device::{ bus::Bus, driver::{driver_manager, Driver}, }; use super::{serio_bus, serio_device::SerioDevice}; /// 实现该trait的设备驱动实例应挂载在serio总线上,同时应该实现Driver trait /// /// 参考: https://code.dragonos.org.cn/xref/linux-6.1.9/include/linux/serio.h#67 #[allow(dead_code)] pub trait SerioDriver: Driver { // 写入时唤醒设备 fn write_wakeup(&self, device: &Arc) -> Result<(), SystemError>; /// # 函数功能 /// 中断函数 /// /// ## 参数 /// - device: Serio设备 /// - data: 端口数据 /// - flag: 状态掩码 /// /// ## 返回值 /// 无 /// /// todo:https://code.dragonos.org.cn/xref/linux-6.1.9/drivers/input/serio/serio.c?fi=__serio_register_driver#989 fn interrupt( &self, device: &Arc, data: u8, flag: u8, ) -> Result<(), SystemError>; /// Serio驱动连接设备 fn connect(&self, device: &Arc) -> Result<(), SystemError>; /// 重新连接设备 fn reconnect(&self, device: &Arc) -> Result<(), SystemError>; /// 快速重连设备 fn fast_reconnect(&self, device: &Arc) -> Result<(), SystemError>; /// 驱动断开设备 fn disconnect(&self, device: &Arc) -> Result<(), SystemError>; /// 清除设备状态 fn cleanup(&self, device: &Arc) -> Result<(), SystemError>; } ///todo: https://code.dragonos.org.cn/xref/linux-6.1.9/drivers/input/serio/serio.c#810 #[allow(dead_code)] #[inline(always)] pub fn serio_driver_manager() -> &'static SerioDriverManager { &SerioDriverManager } pub struct SerioDriverManager; #[allow(dead_code)] impl SerioDriverManager { /// # 函数功能 /// 注册Serio驱动 /// /// ## 参数 /// - driver 待注册的Serio驱动 /// /// ## 返回值 /// 无 pub fn register(&self, driver: Arc) -> Result<(), SystemError> { driver.set_bus(Some(Arc::downgrade(&(serio_bus() as Arc)))); return driver_manager().register(driver as Arc); } /// # 函数功能 /// 卸载Serio驱动 /// /// ## 参数 /// - driver 待卸载的Serio驱动 /// /// ## 返回值 /// 无 #[allow(dead_code)] pub fn unregister(&self, driver: &Arc) { driver_manager().unregister(&(driver.clone() as Arc)); } }