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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_H8#define DRM_AUX_BRIDGE_H9 10#include <drm/drm_connector.h>11 12struct auxiliary_device;13 14#if IS_ENABLED(CONFIG_DRM_AUX_BRIDGE)15int drm_aux_bridge_register(struct device *parent);16#else17static inline int drm_aux_bridge_register(struct device *parent)18{19 return 0;20}21#endif22 23#if IS_ENABLED(CONFIG_DRM_AUX_HPD_BRIDGE)24struct auxiliary_device *devm_drm_dp_hpd_bridge_alloc(struct device *parent, struct device_node *np);25int devm_drm_dp_hpd_bridge_add(struct device *dev, struct auxiliary_device *adev);26struct device *drm_dp_hpd_bridge_register(struct device *parent,27 struct device_node *np);28void drm_aux_hpd_bridge_notify(struct device *dev, enum drm_connector_status status);29#else30static inline struct auxiliary_device *devm_drm_dp_hpd_bridge_alloc(struct device *parent,31 struct device_node *np)32{33 return NULL;34}35 36static inline int devm_drm_dp_hpd_bridge_add(struct device *dev, struct auxiliary_device *adev)37{38 return 0;39}40 41static inline struct device *drm_dp_hpd_bridge_register(struct device *parent,42 struct device_node *np)43{44 return NULL;45}46 47static inline void drm_aux_hpd_bridge_notify(struct device *dev, enum drm_connector_status status)48{49}50#endif51 52#endif53