diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-10-16 16:51:32 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-16 16:51:32 +0200 |
| commit | 5fef06e8c8c52aa7170dbbb068aa996d83738d38 (patch) | |
| tree | f46a1eefd68863bdae57afa004e5281801a6b61e /include/linux/serial.h | |
| parent | 0c5d1eb77a8be917b638344a22afe1398236482b (diff) | |
| parent | 278429cff8809958d25415ba0ed32b59866ab1a8 (diff) | |
Merge branch 'linus' into genirq
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 deb714314fb..1ea8d9265bf 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> |