/* SPDX-License-Identifier: GPL-2.0+ */ /* * 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__ */