|  | /* | 
|  | *  linux/include/asm-arm/mach/serial_at91.h | 
|  | * | 
|  | *  Based on serial_sa1100.h  by Nicolas Pitre | 
|  | * | 
|  | *  Copyright (C) 2002 ATMEL Rousset | 
|  | * | 
|  | *  Low level machine dependent UART functions. | 
|  | */ | 
|  |  | 
|  | struct uart_port; | 
|  |  | 
|  | /* | 
|  | * This is a temporary structure for registering these | 
|  | * functions; it is intended to be discarded after boot. | 
|  | */ | 
|  | struct atmel_port_fns { | 
|  | void	(*set_mctrl)(struct uart_port *, u_int); | 
|  | u_int	(*get_mctrl)(struct uart_port *); | 
|  | void	(*enable_ms)(struct uart_port *); | 
|  | void	(*pm)(struct uart_port *, u_int, u_int); | 
|  | int	(*set_wake)(struct uart_port *, u_int); | 
|  | int	(*open)(struct uart_port *); | 
|  | void	(*close)(struct uart_port *); | 
|  | }; | 
|  |  | 
|  | #if defined(CONFIG_SERIAL_ATMEL) | 
|  | void atmel_register_uart_fns(struct atmel_port_fns *fns); | 
|  | #else | 
|  | #define atmel_register_uart_fns(fns) do { } while (0) | 
|  | #endif | 
|  |  | 
|  |  |