rcar_lvds.h (992B)
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); 19bool rcar_lvds_is_connected(struct drm_bridge *bridge); 20#else 21static inline int rcar_lvds_clk_enable(struct drm_bridge *bridge, 22 unsigned long freq) 23{ 24 return -ENOSYS; 25} 26static inline void rcar_lvds_clk_disable(struct drm_bridge *bridge) { } 27static inline bool rcar_lvds_dual_link(struct drm_bridge *bridge) 28{ 29 return false; 30} 31static inline bool rcar_lvds_is_connected(struct drm_bridge *bridge) 32{ 33 return false; 34} 35#endif /* CONFIG_DRM_RCAR_LVDS */ 36 37#endif /* __RCAR_LVDS_H__ */