X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fserial.h;h=1ea8d9265bf67c5bc52d1a43b2557d9ae661c2df;hb=b73b636e8987f8728c6c700377615757691b9a55;hp=33fc8cb8ddfbaedf234300c397a87b50895e1ec7;hpb=7211bb9b64f17b23834d91fc3d0c1d78671ee9a8;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/serial.h b/include/linux/serial.h
index 33fc8cb8ddf..1ea8d9265bf 100644
--- a/include/linux/serial.h
+++ b/include/linux/serial.h
@@ -173,15 +173,25 @@ struct serial_icounter_struct {
 	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__
 #include <linux/compiler.h>
 
-/* 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);
-
 #endif /* __KERNEL__ */
 #endif /* _LINUX_SERIAL_H */