1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3 * Copyright (C) 2023 Linaro Ltd.
4 *
5 * Author: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
6 */
7 #ifndef DRM_AUX_BRIDGE_H
8 #define DRM_AUX_BRIDGE_H
9
10 #include <drm/drm_connector.h>
11
12 struct auxiliary_device;
13
14 #if IS_ENABLED(CONFIG_DRM_AUX_BRIDGE)
15 int drm_aux_bridge_register(struct device *parent);
16 #else
17 static inline int drm_aux_bridge_register(struct device *parent)
18 {
19 return 0;
20 }
21 #endif
22
23 #if IS_ENABLED(CONFIG_DRM_AUX_HPD_BRIDGE)
24 struct auxiliary_device *devm_drm_dp_hpd_bridge_alloc(struct device *parent, struct device_node *np);
25 int devm_drm_dp_hpd_bridge_add(struct device *dev, struct auxiliary_device *adev);
26 struct device *drm_dp_hpd_bridge_register(struct device *parent,
27 struct device_node *np);
28 void drm_aux_hpd_bridge_notify(struct device *dev, enum drm_connector_status status);
29 #else
30 static inline struct auxiliary_device *devm_drm_dp_hpd_bridge_alloc(struct device *parent,
31 struct device_node *np)
32 {
33 return NULL;
34 }
35
36 static inline int devm_drm_dp_hpd_bridge_add(struct device *dev, struct auxiliary_device *adev)
37 {
38 return 0;
39 }
40
41 static inline struct device *drm_dp_hpd_bridge_register(struct device *parent,
42 struct device_node *np)
43 {
44 return NULL;
45 }
46
47 static inline void drm_aux_hpd_bridge_notify(struct device *dev, enum drm_connector_status status)
48 {
49 }
50 #endif
51
52 #endif
53
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.