diff options
| author | Takashi Iwai <tiwai@suse.de> | 2008-12-19 08:22:57 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2008-12-19 08:22:57 +0100 |
| commit | 0ff555192a8d20385d49d1c420e2e8d409b3c0da (patch) | |
| tree | b6e4b6cae1028a310a3488ebf745954c51694bfc /include/linux/serial.h | |
| parent | 3218c178b41b420cb7e0d120c7a137a3969242e5 (diff) | |
| parent | 9e43f0de690211cf7153b5f3ec251bc315647ada (diff) | |
Merge branch 'fix/hda' into topic/hda
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> |