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 | |
13 | struct drm_bridge; |
14 | |
15 | #if IS_ENABLED(CONFIG_DRM_RCAR_LVDS) |
16 | int rcar_lvds_pclk_enable(struct drm_bridge *bridge, unsigned long freq, |
17 | bool dot_clk_only); |
18 | void rcar_lvds_pclk_disable(struct drm_bridge *bridge, bool dot_clk_only); |
19 | bool rcar_lvds_dual_link(struct drm_bridge *bridge); |
20 | bool rcar_lvds_is_connected(struct drm_bridge *bridge); |
21 | #else |
22 | static inline int rcar_lvds_pclk_enable(struct drm_bridge *bridge, |
23 | unsigned long freq, bool dot_clk_only) |
24 | { |
25 | return -ENOSYS; |
26 | } |
27 | static inline void rcar_lvds_pclk_disable(struct drm_bridge *bridge, |
28 | bool dot_clock_only) |
29 | { |
30 | } |
31 | static inline bool rcar_lvds_dual_link(struct drm_bridge *bridge) |
32 | { |
33 | return false; |
34 | } |
35 | static 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 | |