29 struct uart_port;
38 	unsigned int	(*tx_empty)(struct uart_port *);
39 	void		(*set_mctrl)(struct uart_port *, unsigned int mctrl);
40 	unsigned int	(*get_mctrl)(struct uart_port *);
41 	void		(*stop_tx)(struct uart_port *);
42 	void		(*start_tx)(struct uart_port *);
43 	void		(*throttle)(struct uart_port *);
44 	void		(*unthrottle)(struct uart_port *);
45 	void		(*send_xchar)(struct uart_port *, char ch);
46 	void		(*stop_rx)(struct uart_port *);
47 	void		(*enable_ms)(struct uart_port *);
48 	void		(*break_ctl)(struct uart_port *, int ctl);
49 	int		(*startup)(struct uart_port *);
50 	void		(*shutdown)(struct uart_port *);
51 	void		(*flush_buffer)(struct uart_port *);
52 	void		(*set_termios)(struct uart_port *, struct ktermios *new,
54 	void		(*set_ldisc)(struct uart_port *, struct ktermios *);
55 	void		(*pm)(struct uart_port *, unsigned int state,
61 	const char	*(*type)(struct uart_port *);
67 	void		(*release_port)(struct uart_port *);
73 	int		(*request_port)(struct uart_port *);
74 	void		(*config_port)(struct uart_port *, int);
75 	int		(*verify_port)(struct uart_port *, struct serial_struct *);
76 	int		(*ioctl)(struct uart_port *, unsigned int, unsigned long);
78 	int		(*poll_init)(struct uart_port *);
79 	void		(*poll_put_char)(struct uart_port *, unsigned char);
80 	int		(*poll_get_char)(struct uart_port *);
105 struct uart_port {  struct
109 	unsigned int		(*serial_in)(struct uart_port *, int);  argument
110 	void			(*serial_out)(struct uart_port *, int, int);  argument
111 	void			(*set_termios)(struct uart_port *,  argument
114 	void			(*set_ldisc)(struct uart_port *,  argument
116 	unsigned int		(*get_mctrl)(struct uart_port *);  argument
117 	void			(*set_mctrl)(struct uart_port *, unsigned int);  argument
118 	unsigned int		(*get_divisor)(struct uart_port *,  argument
121 	void			(*set_divisor)(struct uart_port *,  argument
125 	int			(*startup)(struct uart_port *port);  argument
126 	void			(*shutdown)(struct uart_port *port);  argument
127 	void			(*throttle)(struct uart_port *port);  argument
128 	void			(*unthrottle)(struct uart_port *port);  argument
129 	int			(*handle_irq)(struct uart_port *);  argument
130 	void			(*pm)(struct uart_port *, unsigned int state,  argument
132 	void			(*handle_break)(struct uart_port *);  argument
133 	int			(*rs485_config)(struct uart_port *,  argument
135 	int			(*iso7816_config)(struct uart_port *,  argument
258 static inline int serial_port_in(struct uart_port *up, int offset)  in serial_port_in()  argument
263 static inline void serial_port_out(struct uart_port *up, int offset, int value)  in serial_port_out()
291 	struct uart_port	*uart_port;  member
320 void uart_write_wakeup(struct uart_port *port);
325 void uart_update_timeout(struct uart_port *port, unsigned int cflag,
327 unsigned int uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
330 unsigned int uart_get_divisor(struct uart_port *port, unsigned int baud);
333 static inline int uart_poll_timeout(struct uart_port *port)  in uart_poll_timeout()
345 	struct uart_port port;
394 struct uart_port *uart_get_console(struct uart_port *ports, int nr,
400 int uart_set_options(struct uart_port *port, struct console *co, int baud,
403 void uart_console_write(struct uart_port *port, const char *s,
405 			void (*putchar)(struct uart_port *, int));
412 int uart_add_one_port(struct uart_driver *reg, struct uart_port *port);
413 int uart_remove_one_port(struct uart_driver *reg, struct uart_port *port);
414 int uart_match_port(struct uart_port *port1, struct uart_port *port2);
419 int uart_suspend_port(struct uart_driver *reg, struct uart_port *port);
420 int uart_resume_port(struct uart_driver *reg, struct uart_port *port);
431 static inline int uart_tx_stopped(struct uart_port *port)  in uart_tx_stopped()
439 static inline bool uart_cts_enabled(struct uart_port *uport)  in uart_cts_enabled()
444 static inline bool uart_softcts_mode(struct uart_port *uport)  in uart_softcts_mode()
455 extern void uart_handle_dcd_change(struct uart_port *uport,
457 extern void uart_handle_cts_change(struct uart_port *uport,
460 extern void uart_insert_char(struct uart_port *port, unsigned int status,
465 uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)  in uart_handle_sysrq_char()
478 uart_prepare_sysrq_char(struct uart_port *port, unsigned int ch)  in uart_prepare_sysrq_char()
491 uart_unlock_and_check_sysrq(struct uart_port *port, unsigned long irqflags)  in uart_unlock_and_check_sysrq()
505 uart_handle_sysrq_char(struct uart_port *port, unsigned int ch) { return 0; }  in uart_handle_sysrq_char()
507 uart_prepare_sysrq_char(struct uart_port *port, unsigned int ch) { return 0; }  in uart_prepare_sysrq_char()
509 uart_unlock_and_check_sysrq(struct uart_port *port, unsigned long irqflags)  in uart_unlock_and_check_sysrq()
518 static inline int uart_handle_break(struct uart_port *port)  in uart_handle_break()