include/linux/tty_driver.h

29  *	Optional method. Default behaviour is to use the @self->ttys array.
36  *	Optional method. Default behaviour is to use the @self->ttys array.
43  *	Optional method. Default behaviour is to use the @self->ttys array.
85  *	Optional: Required for writable devices. May not sleep.
95  *	Optional: Kernel will use the @write method if not provided. Do not
103  *	Optional. Do not call this function directly, call
125  *	Optional: if not provided, it is assumed there is no queue on the
135  *	Optional.
142  *	Optional.
155  *	Optional. Called under the @tty->termios_rwsem. May sleep.
162  *	Optional. Called under the @tty->ldisc_sem and @tty->termios_rwsem.
170  *	Optional. Called under the @tty->ldisc_sem and @tty->termios_rwsem.
181  *	Optional: Always invoke via tty_throttle_safe(). Called under the
190  *	Optional. Always invoke via tty_unthrottle(). Called under the
200  *	Optional. Always invoke via stop_tty().
209  *	Optional. Always invoke via start_tty().
216  *	Optional. Called with tty lock held.
220  *	This optional routine requests the @tty driver to turn on or off BREAK
232  *	Optional: Required for %TCSBRK/%BRKP/etc. handling. May sleep.
239  *	Optional: if not provided, it is assumed there is no queue on the
249  *	Optional: If not provided, the device is assumed to have no FIFO.
257  *	Optional: If not provided, then the @write method is called under
265  *	Optional: If not provided, then %ENOTTY is returned from the %TIOCMGET
274  *	Optional: If not provided, then %ENOTTY is returned from the %TIOCMSET
282  *	Optional: the default action is to update the termios structure
294  *	Optional: called only if provided, otherwise %ENOTTY will be returned.
301  *	Optional: called only if provided, otherwise %ENOTTY will be returned.
309  *	Optional: called only if provided, otherwise %ENOTTY will be returned.
318  *	Optional: called only if provided, otherwise nothing is written to @m.
327  *	Optional: called only if provided, otherwise skipped as a non-polling
335  *	Optional: called only if @poll_init provided.
342  *	Optional: called only if @poll_init provided.
350  *	Optional: called only if provided, otherwise no /proc entry created.
354  * they are optional, and can be filled in with a %NULL pointer.