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