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tty: Add termiox

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We need a way to describe the various additional modes and flow control
features that random weird hardware shows up and software such as wine
wants to emulate as Windows supports them.

TCGETX/TCSETX and the termiox ioctl are a SYS5 extension that we might as
well adopt. This patches adds the structures and the basic ioctl interfaces
when the TCGETX etc defines are added for an architecture. Drivers wishing
to use this stuff need to add new methods.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox
2008-10-13 10:38:18 +01:00
committed by Linus Torvalds
parent 5aaa70a80f
commit 1d65b4a088
5 changed files with 87 additions and 0 deletions
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15
include/linux/termios.h
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@ -4,4 +4,19 @@
#include <linux/types.h>
#include <asm/termios.h>
#define NFF 5
struct termiox
{
__u16 x_hflag;
__u16 x_cflag;
__u16 x_rflag[NFF];
__u16 x_sflag;
};
#define RTSXOFF 0x0001 /* RTS flow control on input */
#define CTSXON 0x0002 /* CTS flow control on output */
#define DTRXOFF 0x0004 /* DTR flow control on input */
#define DSRXON 0x0008 /* DCD flow control on output */
#endif