1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright (C) 2020 Red Hat, Inc.
4 *
5 * Authors:
6 * Hans de Goede <hdegoede@redhat.com>
7 */
8
9#ifndef __DRM_PRIVACY_SCREEN_MACHINE_H__
10#define __DRM_PRIVACY_SCREEN_MACHINE_H__
11
12#include <linux/list.h>
13
14/**
15 * struct drm_privacy_screen_lookup - static privacy-screen lookup list entry
16 *
17 * Used for the static lookup-list for mapping privacy-screen consumer
18 * dev-connector pairs to a privacy-screen provider.
19 */
20struct drm_privacy_screen_lookup {
21 /** @list: Lookup list list-entry. */
22 struct list_head list;
23 /** @dev_id: Consumer device name or NULL to match all devices. */
24 const char *dev_id;
25 /** @con_id: Consumer connector name or NULL to match all connectors. */
26 const char *con_id;
27 /** @provider: dev_name() of the privacy_screen provider. */
28 const char *provider;
29};
30
31void drm_privacy_screen_lookup_add(struct drm_privacy_screen_lookup *lookup);
32void drm_privacy_screen_lookup_remove(struct drm_privacy_screen_lookup *lookup);
33
34#if IS_ENABLED(CONFIG_DRM_PRIVACY_SCREEN) && IS_ENABLED(CONFIG_X86)
35void drm_privacy_screen_lookup_init(void);
36void drm_privacy_screen_lookup_exit(void);
37#else
38static inline void drm_privacy_screen_lookup_init(void)
39{
40}
41static inline void drm_privacy_screen_lookup_exit(void)
42{
43}
44#endif
45
46#endif
47