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| author | Thomas Gleixner <tglx@linutronix.de> | 2008-11-24 21:54:37 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-11-24 21:54:37 +0300 |
| commit | 3e1d7a6219ab64e13b10b1a77c0625db9a8bd8db (patch) | |
| tree | c682da7317845d7b1336e3d8498cf83bdf8f5900 /include/linux/serial.h | |
| parent | 42569c39917a08e8de1e8b5685463be7b74baebd (diff) | |
| parent | 13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff) | |
| download | linux-3e1d7a6219ab64e13b10b1a77c0625db9a8bd8db.tar.xz | |
Merge branch 'linus' into core/futexes
Diffstat (limited to 'include/linux/serial.h')
| -rw-r--r-- | include/linux/serial.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/serial.h b/include/linux/serial.h index deb714314fb1..1ea8d9265bf6 100644 --- a/include/linux/serial.h +++ b/include/linux/serial.h @@ -173,6 +173,22 @@ 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> |