18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * rcar_lvds.h -- R-Car LVDS Encoder 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (C) 2013-2018 Renesas Electronics Corporation 68c2ecf20Sopenharmony_ci * 78c2ecf20Sopenharmony_ci * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) 88c2ecf20Sopenharmony_ci */ 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci#ifndef __RCAR_LVDS_H__ 118c2ecf20Sopenharmony_ci#define __RCAR_LVDS_H__ 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_cistruct drm_bridge; 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci#if IS_ENABLED(CONFIG_DRM_RCAR_LVDS) 168c2ecf20Sopenharmony_ciint rcar_lvds_clk_enable(struct drm_bridge *bridge, unsigned long freq); 178c2ecf20Sopenharmony_civoid rcar_lvds_clk_disable(struct drm_bridge *bridge); 188c2ecf20Sopenharmony_cibool rcar_lvds_dual_link(struct drm_bridge *bridge); 198c2ecf20Sopenharmony_ci#else 208c2ecf20Sopenharmony_cistatic inline int rcar_lvds_clk_enable(struct drm_bridge *bridge, 218c2ecf20Sopenharmony_ci unsigned long freq) 228c2ecf20Sopenharmony_ci{ 238c2ecf20Sopenharmony_ci return -ENOSYS; 248c2ecf20Sopenharmony_ci} 258c2ecf20Sopenharmony_cistatic inline void rcar_lvds_clk_disable(struct drm_bridge *bridge) { } 268c2ecf20Sopenharmony_cistatic inline bool rcar_lvds_dual_link(struct drm_bridge *bridge) 278c2ecf20Sopenharmony_ci{ 288c2ecf20Sopenharmony_ci return false; 298c2ecf20Sopenharmony_ci} 308c2ecf20Sopenharmony_ci#endif /* CONFIG_DRM_RCAR_LVDS */ 318c2ecf20Sopenharmony_ci 328c2ecf20Sopenharmony_ci#endif /* __RCAR_LVDS_H__ */ 33