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 #[allow(dead_code)] 15 pub trait SerioDriver: Driver { 16 // 写入时唤醒设备 17 fn write_wakeup(&self, device: &Arc<dyn SerioDevice>) -> Result<(), SystemError>; 18 /// # 函数功能 19 /// 中断函数 20 /// 21 /// ## 参数 22 /// - device: Serio设备 23 /// - data: 端口数据 24 /// - flag: 状态掩码 25 /// 26 /// ## 返回值 27 /// 无 28 /// 29 /// todo:https://code.dragonos.org.cn/xref/linux-6.1.9/drivers/input/serio/serio.c?fi=__serio_register_driver#989 30 fn interrupt( 31 &self, 32 device: &Arc<dyn SerioDevice>, 33 data: u8, 34 flag: u8, 35 ) -> Result<(), SystemError>; 36 /// Serio驱动连接设备 37 fn connect(&self, device: &Arc<dyn SerioDevice>) -> Result<(), SystemError>; 38 /// 重新连接设备 39 fn reconnect(&self, device: &Arc<dyn SerioDevice>) -> Result<(), SystemError>; 40 /// 快速重连设备 41 fn fast_reconnect(&self, device: &Arc<dyn SerioDevice>) -> Result<(), SystemError>; 42 /// 驱动断开设备 43 fn disconnect(&self, device: &Arc<dyn SerioDevice>) -> Result<(), SystemError>; 44 /// 清除设备状态 45 fn cleanup(&self, device: &Arc<dyn SerioDevice>) -> Result<(), SystemError>; 46 } 47 48 ///todo: https://code.dragonos.org.cn/xref/linux-6.1.9/drivers/input/serio/serio.c#810 49 50 #[allow(dead_code)] 51 #[inline(always)] 52 pub fn serio_driver_manager() -> &'static SerioDriverManager { 53 &SerioDriverManager 54 } 55 56 pub struct SerioDriverManager; 57 58 #[allow(dead_code)] 59 impl SerioDriverManager { 60 /// # 函数功能 61 /// 注册Serio驱动 62 /// 63 /// ## 参数 64 /// - driver 待注册的Serio驱动 65 /// 66 /// ## 返回值 67 /// 无 68 pub fn register(&self, driver: Arc<dyn SerioDriver>) -> Result<(), SystemError> { 69 driver.set_bus(Some(Arc::downgrade(&(serio_bus() as Arc<dyn Bus>)))); 70 return driver_manager().register(driver as Arc<dyn Driver>); 71 } 72 73 /// # 函数功能 74 /// 卸载Serio驱动 75 /// 76 /// ## 参数 77 /// - driver 待卸载的Serio驱动 78 /// 79 /// ## 返回值 80 /// 无 81 #[allow(dead_code)] 82 pub fn unregister(&self, driver: &Arc<dyn SerioDriver>) { 83 driver_manager().unregister(&(driver.clone() as Arc<dyn Driver>)); 84 } 85 } 86