e560518a6c
Several USB-C controllers implement a pretty simple DRM bridge which implements just the HPD notification operations. Add special helper for creating such simple bridges. Acked-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231203114333.1305826-5-dmitry.baryshkov@linaro.org
38 lines
884 B
C
38 lines
884 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2023 Linaro Ltd.
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*
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* Author: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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*/
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#ifndef DRM_AUX_BRIDGE_H
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#define DRM_AUX_BRIDGE_H
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#include <drm/drm_connector.h>
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#if IS_ENABLED(CONFIG_DRM_AUX_BRIDGE)
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int drm_aux_bridge_register(struct device *parent);
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#else
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static inline int drm_aux_bridge_register(struct device *parent)
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{
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return 0;
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}
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#endif
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#if IS_ENABLED(CONFIG_DRM_AUX_HPD_BRIDGE)
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struct device *drm_dp_hpd_bridge_register(struct device *parent,
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struct device_node *np);
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void drm_aux_hpd_bridge_notify(struct device *dev, enum drm_connector_status status);
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#else
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static inline struct device *drm_dp_hpd_bridge_register(struct device *parent,
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struct device_node *np)
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{
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return 0;
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}
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static inline void drm_aux_hpd_bridge_notify(struct device *dev, enum drm_connector_status status)
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{
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}
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#endif
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#endif
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