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 | */ |
20 | struct 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 | |
31 | void drm_privacy_screen_lookup_add(struct drm_privacy_screen_lookup *lookup); |
32 | void drm_privacy_screen_lookup_remove(struct drm_privacy_screen_lookup *lookup); |
33 | |
34 | #if IS_ENABLED(CONFIG_DRM_PRIVACY_SCREEN) && IS_ENABLED(CONFIG_X86) |
35 | void drm_privacy_screen_lookup_init(void); |
36 | void drm_privacy_screen_lookup_exit(void); |
37 | #else |
38 | static inline void drm_privacy_screen_lookup_init(void) |
39 | { |
40 | } |
41 | static inline void drm_privacy_screen_lookup_exit(void) |
42 | { |
43 | } |
44 | #endif |
45 | |
46 | #endif |
47 | |