| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * R-Car LVDS Encoder |
| * |
| * Copyright (C) 2013-2018 Renesas Electronics Corporation |
| * |
| * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) |
| */ |
| |
| #ifndef __RCAR_LVDS_H__ |
| #define __RCAR_LVDS_H__ |
| |
| struct drm_bridge; |
| |
| #if IS_ENABLED(CONFIG_DRM_RCAR_LVDS) |
| int rcar_lvds_pclk_enable(struct drm_bridge *bridge, unsigned long freq, |
| bool dot_clk_only); |
| void rcar_lvds_pclk_disable(struct drm_bridge *bridge, bool dot_clk_only); |
| bool rcar_lvds_dual_link(struct drm_bridge *bridge); |
| bool rcar_lvds_is_connected(struct drm_bridge *bridge); |
| #else |
| static inline int rcar_lvds_pclk_enable(struct drm_bridge *bridge, |
| unsigned long freq, bool dot_clk_only) |
| { |
| return -ENOSYS; |
| } |
| static inline void rcar_lvds_pclk_disable(struct drm_bridge *bridge, |
| bool dot_clock_only) |
| { |
| } |
| static inline bool rcar_lvds_dual_link(struct drm_bridge *bridge) |
| { |
| return false; |
| } |
| static inline bool rcar_lvds_is_connected(struct drm_bridge *bridge) |
| { |
| return false; |
| } |
| #endif /* CONFIG_DRM_RCAR_LVDS */ |
| |
| #endif /* __RCAR_LVDS_H__ */ |
