linuxdebug/drivers/gpu/drm/rcar-du/rcar_lvds.h

38 lines
973 B
C

/* 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__ */