#ifndef _LINUX_SERIAL_H
#define _LINUX_SERIAL_H
+#include <linux/types.h>
+
#ifdef __KERNEL__
#include <asm/page.h>
int reserved[9];
};
+/*
+ * Serial interface for controlling RS485 settings on chips with suitable
+ * support. Set with TIOCSRS485 and get with TIOCGRS485 if supported by your
+ * platform. The set function returns the new state, with any unsupported bits
+ * reverted appropriately.
+ */
+
+struct serial_rs485 {
+ __u32 flags; /* RS485 feature flags */
+#define SER_RS485_ENABLED (1 << 0)
+#define SER_RS485_RTS_ON_SEND (1 << 1)
+#define SER_RS485_RTS_AFTER_SEND (1 << 2)
+ __u32 delay_rts_before_send; /* Milliseconds */
+ __u32 padding[6]; /* Memory is cheap, new structs
+ are a royal PITA .. */
+};
#ifdef __KERNEL__
-/* Export to allow PCMCIA to use this - Dave Hinds */
-extern int register_serial(struct serial_struct *req);
-extern void unregister_serial(int line);
-
-/* Allow architectures to override entries in serial8250_ports[] at run time: */
-struct uart_port; /* forward declaration */
-extern int early_serial_setup(struct uart_port *port);
-extern int early_serial_console_init(char *options);
-extern int serial8250_start_console(struct uart_port *port, char *options);
+#include <linux/compiler.h>
#endif /* __KERNEL__ */
#endif /* _LINUX_SERIAL_H */