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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* rcar_cmm.h -- R-Car Display Unit Color Management Module
*
* Copyright (C) 2019 Jacopo Mondi <jacopo+renesas@jmondi.org>
*/
#ifndef __RCAR_CMM_H__
#define __RCAR_CMM_H__
#define CM2_LUT_SIZE 256
struct drm_color_lut;
struct platform_device;
/**
* struct rcar_cmm_config - CMM configuration
*
* @lut: 1D-LUT configuration
* @lut.table: 1D-LUT table entries. Disable LUT operations when NULL
*/
struct rcar_cmm_config {
struct {
struct drm_color_lut *table;
} lut;
};
#if IS_ENABLED(CONFIG_DRM_RCAR_CMM)
int rcar_cmm_init(struct platform_device *pdev);
int rcar_cmm_enable(struct platform_device *pdev);
void rcar_cmm_disable(struct platform_device *pdev);
int rcar_cmm_setup(struct platform_device *pdev,
const struct rcar_cmm_config *config);
#else
static inline int rcar_cmm_init(struct platform_device *pdev)
{
return -ENODEV;
}
static inline int rcar_cmm_enable(struct platform_device *pdev)
{
return 0;
}
static inline void rcar_cmm_disable(struct platform_device *pdev)
{
}
static inline int rcar_cmm_setup(struct platform_device *pdev,
const struct rcar_cmm_config *config)
{
return 0;
}
#endif /* IS_ENABLED(CONFIG_DRM_RCAR_CMM) */
#endif /* __RCAR_CMM_H__ */
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