1 use core::fmt::Debug; 2 3 use alloc::sync::Arc; 4 5 use crate::driver::base::device::driver::Driver; 6 7 use super::tty_device::TtyDevice; 8 9 /// TTY 驱动 10 /// 11 /// 12 /// 参考 https://opengrok.ringotek.cn/xref/linux-6.1.9/include/linux/tty_driver.h#434 13 pub trait TtyDriver: Debug + Send + Sync + Driver { 14 fn driver_name(&self) -> &str; 15 fn dev_name(&self) -> &str; 16 17 fn metadata(&self) -> &TtyDriverMetadata; 18 19 fn other(&self) -> Option<&Arc<dyn TtyDriver>>; 20 21 fn ttys(&self) -> &[Arc<TtyDevice>]; 22 23 fn tty_ops(&self) -> Option<&'static dyn TtyDriverOperations> { 24 None 25 } 26 } 27 28 #[derive(Debug, Clone, Copy)] 29 #[allow(dead_code)] 30 pub struct TtyDriverMetadata { 31 /// name of the driver used in /proc/tty 32 driver_name: &'static str, 33 /// used for constructing /dev node name 34 dev_name: &'static str, 35 /// used as a number base for constructing /dev node name 36 name_base: i32, 37 /// major /dev device number (zero for autoassignment) 38 major: i32, 39 /// the first minor /dev device number 40 minor_start: i32, 41 drv_type: TtyDriverType, 42 subtype: TtyDriverSubtype, 43 } 44 45 /// https://opengrok.ringotek.cn/xref/linux-6.1.9/include/linux/tty_driver.h#411 46 #[derive(Debug, Clone, Copy)] 47 pub enum TtyDriverType {} 48 49 /// https://opengrok.ringotek.cn/xref/linux-6.1.9/include/linux/tty_driver.h#412 50 #[derive(Debug, Clone, Copy)] 51 pub enum TtyDriverSubtype {} 52 53 bitflags! { 54 /// https://opengrok.ringotek.cn/xref/linux-6.1.9/include/linux/tty_driver.h?fi=SERIAL_TYPE_NORMAL#492 55 pub struct TtyDriverFlags: u64 { 56 57 } 58 } 59 60 /// 参考 https://opengrok.ringotek.cn/xref/linux-6.1.9/include/linux/tty_driver.h#350 61 pub trait TtyDriverOperations {} 62