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 13 struct drm_bridge; 14 15 #if IS_ENABLED(CONFIG_DRM_RCAR_LVDS) 16 int rcar_lvds_clk_enable(struct drm_bridge *bridge, unsigned long freq); 17 void rcar_lvds_clk_disable(struct drm_bridge *bridge); 18 bool rcar_lvds_dual_link(struct drm_bridge *bridge); 19 #else rcar_lvds_clk_enable(struct drm_bridge * bridge,unsigned long freq)20static inline int rcar_lvds_clk_enable(struct drm_bridge *bridge, 21 unsigned long freq) 22 { 23 return -ENOSYS; 24 } rcar_lvds_clk_disable(struct drm_bridge * bridge)25static inline void rcar_lvds_clk_disable(struct drm_bridge *bridge) { } rcar_lvds_dual_link(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