linux_dsm_epyc7002/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.h
Laurent Pinchart d9829a3289 drm: rcar-du: lvds: Avoid duplication of clock clamp code
Replace the duplicate code by a single central function.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2016-02-23 09:34:30 +02:00

52 lines
1.3 KiB
C

/*
* rcar_du_lvdsenc.h -- R-Car Display Unit LVDS Encoder
*
* Copyright (C) 2013-2014 Renesas Electronics Corporation
*
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __RCAR_DU_LVDSENC_H__
#define __RCAR_DU_LVDSENC_H__
#include <linux/io.h>
#include <linux/module.h>
struct rcar_drm_crtc;
struct rcar_du_lvdsenc;
enum rcar_lvds_input {
RCAR_LVDS_INPUT_DU0,
RCAR_LVDS_INPUT_DU1,
RCAR_LVDS_INPUT_DU2,
};
#if IS_ENABLED(CONFIG_DRM_RCAR_LVDS)
int rcar_du_lvdsenc_init(struct rcar_du_device *rcdu);
int rcar_du_lvdsenc_enable(struct rcar_du_lvdsenc *lvds,
struct drm_crtc *crtc, bool enable);
void rcar_du_lvdsenc_atomic_check(struct rcar_du_lvdsenc *lvds,
struct drm_display_mode *mode);
#else
static inline int rcar_du_lvdsenc_init(struct rcar_du_device *rcdu)
{
return 0;
}
static inline int rcar_du_lvdsenc_enable(struct rcar_du_lvdsenc *lvds,
struct drm_crtc *crtc, bool enable)
{
return 0;
}
static inline void rcar_du_lvdsenc_atomic_check(struct rcar_du_lvdsenc *lvds,
struct drm_display_mode *mode)
{
}
#endif
#endif /* __RCAR_DU_LVDSENC_H__ */