include/drm/bridge/aux-bridge.h

   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 #if IS_ENABLED(CONFIG_DRM_AUX_BRIDGE)
  13 int drm_aux_bridge_register(struct device *parent);
  14 #else
  15 static inline int drm_aux_bridge_register(struct device *parent)
  16 {
  17         return 0;
  18 }
  19 #endif
  20
  21 #if IS_ENABLED(CONFIG_DRM_AUX_HPD_BRIDGE)
  22 struct device *drm_dp_hpd_bridge_register(struct device *parent,
  23                                           struct device_node *np);
  24 void drm_aux_hpd_bridge_notify(struct device *dev, enum drm_connector_status status);
  25 #else
  26 static inline struct device *drm_dp_hpd_bridge_register(struct device *parent,
  27                                                         struct device_node *np)
  28 {
  29         return NULL;
  30 }
  31
  32 static inline void drm_aux_hpd_bridge_notify(struct device *dev, enum drm_connector_status status)
  33 {
  34 }
  35 #endif
  36
  37 #endif