linux/surface_aggregator/dtx.h

1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
3  * Surface DTX (clipboard detachment system driver) user-space interface.
6  * device allows user-space to control the clipboard detachment process on
9  * Copyright (C) 2020-2021 Maximilian Luz <luzmaximilian@gmail.com>
15 #include <linux/ioctl.h>
16 #include <linux/types.h>
42 /* Runtime errors (non-critical) */
62  * enum sdtx_device_mode - Mode describing how (and if) the clipboard is
81  * struct sdtx_event - Event provided by reading from the DTX device file.
82  * @length: Length of the event payload, in bytes.
83  * @code:   Event code, detailing what type of event this is.
84  * @data:   Payload of the event, containing @length bytes.
86  * See &enum sdtx_event_code for currently valid event codes.
95  * enum sdtx_event_code - Code describing the type of an event.
96  * @SDTX_EVENT_REQUEST:         Detachment request event type.
97  * @SDTX_EVENT_CANCEL:          Cancel detachment process event type.
98  * @SDTX_EVENT_BASE_CONNECTION: Base/clipboard connection change event type.
99  * @SDTX_EVENT_LATCH_STATUS:    Latch status change event type.
100  * @SDTX_EVENT_DEVICE_MODE:     Device mode change event type.
102  * Used in &struct sdtx_event to describe the type of the event. Further event
103  * codes are reserved for future use. Any event parser should be able to
106  * Consult the DTX user-space interface documentation for details regarding
107  * the individual event types.
118  * struct sdtx_base_info - Describes if and what type of base is connected.