diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_lvds.h')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_lvds.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.h b/drivers/gpu/drm/rcar-du/rcar_lvds.h new file mode 100644 index 000000000..bee7033b6 --- /dev/null +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.h @@ -0,0 +1,37 @@ +/* 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); +void rcar_lvds_pclk_disable(struct drm_bridge *bridge); +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) +{ + return -ENOSYS; +} +static inline void rcar_lvds_pclk_disable(struct drm_bridge *bridge) { } +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__ */ |