1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * 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_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#else 22static 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