1 use alloc::sync::Arc; 2 use system_error::SystemError; 3 4 use crate::driver::base::device::{ 5 bus::Bus, 6 driver::{driver_manager, Driver}, 7 }; 8 9 use super::{serio_bus, serio_device::SerioDevice}; 10 11 /// 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 12 /// 13 /// 参考: https://code.dragonos.org.cn/xref/linux-6.1.9/include/linux/serio.h#67 14 pub trait SerioDriver: Driver { 15 // 写入时唤醒设备 16 fn write_wakeup(&self, device: &Arc<dyn SerioDevice>) -> Result<(), SystemError>; 17 /// # 函数功能 18 /// 中断函数 19 /// 20 /// ## 参数 21 /// - device: Serio设备 22 /// - data: 端口数据 23 /// - flag: 状态掩码 24 /// 25 /// ## 返回值 26 /// 无 27 /// 28 /// todo:https://code.dragonos.org.cn/xref/linux-6.1.9/drivers/input/serio/serio.c?fi=__serio_register_driver#989 29 fn interrupt( 30 &self, 31 device: &Arc<dyn SerioDevice>, 32 data: u8, 33 flag: u8, 34 ) -> Result<(), SystemError>; 35 /// Serio驱动连接设备 36 fn connect(&self, device: &Arc<dyn SerioDevice>) -> Result<(), SystemError>; 37 /// 重新连接设备 38 fn reconnect(&self, device: &Arc<dyn SerioDevice>) -> Result<(), SystemError>; 39 /// 快速重连设备 40 fn fast_reconnect(&self, device: &Arc<dyn SerioDevice>) -> Result<(), SystemError>; 41 /// 驱动断开设备 42 fn disconnect(&self, device: &Arc<dyn SerioDevice>) -> Result<(), SystemError>; 43 /// 清除设备状态 44 fn cleanup(&self, device: &Arc<dyn SerioDevice>) -> Result<(), SystemError>; 45 } 46 47 ///todo: https://code.dragonos.org.cn/xref/linux-6.1.9/drivers/input/serio/serio.c#810 48 49 #[inline(always)] 50 pub fn serio_driver_manager() -> &'static SerioDriverManager { 51 &SerioDriverManager 52 } 53 54 pub struct SerioDriverManager; 55 56 #[allow(dead_code)] 57 impl SerioDriverManager { 58 /// # 函数功能 59 /// 注册Serio驱动 60 /// 61 /// ## 参数 62 /// - driver 待注册的Serio驱动 63 /// 64 /// ## 返回值 65 /// 无 66 pub fn register(&self, driver: Arc<dyn SerioDriver>) -> Result<(), SystemError> { 67 driver.set_bus(Some(Arc::downgrade(&(serio_bus() as Arc<dyn Bus>)))); 68 return driver_manager().register(driver as Arc<dyn Driver>); 69 } 70 71 /// # 函数功能 72 /// 卸载Serio驱动 73 /// 74 /// ## 参数 75 /// - driver 待卸载的Serio驱动 76 /// 77 /// ## 返回值 78 /// 无 79 #[allow(dead_code)] 80 pub fn unregister(&self, driver: &Arc<dyn SerioDriver>) { 81 driver_manager().unregister(&(driver.clone() as Arc<dyn Driver>)); 82 } 83 } 84