1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * rcar_lvds.h -- R-Car LVDS Encoder 4 * 5 * Copyright (C) 2013-2018 Renesas Electronics Corporation 6 * 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_clk_enable(struct drm_bridge *bridge, unsigned long freq); 17void rcar_lvds_clk_disable(struct drm_bridge *bridge); 18bool rcar_lvds_dual_link(struct drm_bridge *bridge); 19#else 20static inline int rcar_lvds_clk_enable(struct drm_bridge *bridge, 21 unsigned long freq) 22{ 23 return -ENOSYS; 24} 25static inline void rcar_lvds_clk_disable(struct drm_bridge *bridge) { } 26static inline bool rcar_lvds_dual_link(struct drm_bridge *bridge) 27{ 28 return false; 29} 30#endif /* CONFIG_DRM_RCAR_LVDS */ 31 32#endif /* __RCAR_LVDS_H__ */ 33