.. SPDX-License-Identifier: GPL-2.0 ======== TTY Port ======== .. contents:: :local: The TTY drivers are advised to use struct tty_port helpers as much as possible. If the drivers implement :c:member:`tty_port.ops.activate()` and :c:member:`tty_port.ops.shutdown()`, they can use tty_port_open(), tty_port_close(), and tty_port_hangup() in respective :c:member:`tty_struct.ops` hooks. The reference and details are contained in the `TTY Port Reference`_ and `TTY Port Operations Reference`_ sections at the bottom. TTY Port Functions ================== Init & Destroy -------------- .. kernel-doc:: drivers/tty/tty_port.c :identifiers: tty_port_init tty_port_destroy tty_port_get tty_port_put Open/Close/Hangup Helpers ------------------------- .. kernel-doc:: drivers/tty/tty_port.c :identifiers: tty_port_install tty_port_open tty_port_block_til_ready tty_port_close tty_port_close_start tty_port_close_end tty_port_hangup tty_port_shutdown TTY Refcounting --------------- .. kernel-doc:: drivers/tty/tty_port.c :identifiers: tty_port_tty_get tty_port_tty_set TTY Helpers ----------- .. kernel-doc:: drivers/tty/tty_port.c :identifiers: tty_port_tty_hangup tty_port_tty_wakeup Modem Signals ------------- .. kernel-doc:: drivers/tty/tty_port.c :identifiers: tty_port_carrier_raised tty_port_raise_dtr_rts tty_port_lower_dtr_rts ---- TTY Port Reference ================== .. kernel-doc:: include/linux/tty_port.h :identifiers: tty_port ---- TTY Port Operations Reference ============================= .. kernel-doc:: include/linux/tty_port.h :identifiers: tty_port_operations