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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * R-Car LVDS Encoder4 *5 * Copyright (C) 2013-2018 Renesas Electronics Corporation6 *7 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)8 */9 10#ifndef __RCAR_LVDS_H__11#define __RCAR_LVDS_H__12 13struct drm_bridge;14 15#if IS_ENABLED(CONFIG_DRM_RCAR_LVDS)16int rcar_lvds_pclk_enable(struct drm_bridge *bridge, unsigned long freq,17 bool dot_clk_only);18void rcar_lvds_pclk_disable(struct drm_bridge *bridge, bool dot_clk_only);19bool rcar_lvds_dual_link(struct drm_bridge *bridge);20bool rcar_lvds_is_connected(struct drm_bridge *bridge);21#else22static inline int rcar_lvds_pclk_enable(struct drm_bridge *bridge,23 unsigned long freq, bool dot_clk_only)24{25 return -ENOSYS;26}27static inline void rcar_lvds_pclk_disable(struct drm_bridge *bridge,28 bool dot_clock_only)29{30}31static inline bool rcar_lvds_dual_link(struct drm_bridge *bridge)32{33 return false;34}35static inline bool rcar_lvds_is_connected(struct drm_bridge *bridge)36{37 return false;38}39#endif /* CONFIG_DRM_RCAR_LVDS */40 41#endif /* __RCAR_LVDS_H__ */42