18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0+ */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * rcar_cmm.h -- R-Car Display Unit Color Management Module 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (C) 2019 Jacopo Mondi <jacopo+renesas@jmondi.org> 68c2ecf20Sopenharmony_ci */ 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci#ifndef __RCAR_CMM_H__ 98c2ecf20Sopenharmony_ci#define __RCAR_CMM_H__ 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#define CM2_LUT_SIZE 256 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_cistruct drm_color_lut; 148c2ecf20Sopenharmony_cistruct platform_device; 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci/** 178c2ecf20Sopenharmony_ci * struct rcar_cmm_config - CMM configuration 188c2ecf20Sopenharmony_ci * 198c2ecf20Sopenharmony_ci * @lut: 1D-LUT configuration 208c2ecf20Sopenharmony_ci * @lut.table: 1D-LUT table entries. Disable LUT operations when NULL 218c2ecf20Sopenharmony_ci */ 228c2ecf20Sopenharmony_cistruct rcar_cmm_config { 238c2ecf20Sopenharmony_ci struct { 248c2ecf20Sopenharmony_ci struct drm_color_lut *table; 258c2ecf20Sopenharmony_ci } lut; 268c2ecf20Sopenharmony_ci}; 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ci#if IS_ENABLED(CONFIG_DRM_RCAR_CMM) 298c2ecf20Sopenharmony_ciint rcar_cmm_init(struct platform_device *pdev); 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ciint rcar_cmm_enable(struct platform_device *pdev); 328c2ecf20Sopenharmony_civoid rcar_cmm_disable(struct platform_device *pdev); 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ciint rcar_cmm_setup(struct platform_device *pdev, 358c2ecf20Sopenharmony_ci const struct rcar_cmm_config *config); 368c2ecf20Sopenharmony_ci#else 378c2ecf20Sopenharmony_cistatic inline int rcar_cmm_init(struct platform_device *pdev) 388c2ecf20Sopenharmony_ci{ 398c2ecf20Sopenharmony_ci return -ENODEV; 408c2ecf20Sopenharmony_ci} 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_cistatic inline int rcar_cmm_enable(struct platform_device *pdev) 438c2ecf20Sopenharmony_ci{ 448c2ecf20Sopenharmony_ci return 0; 458c2ecf20Sopenharmony_ci} 468c2ecf20Sopenharmony_ci 478c2ecf20Sopenharmony_cistatic inline void rcar_cmm_disable(struct platform_device *pdev) 488c2ecf20Sopenharmony_ci{ 498c2ecf20Sopenharmony_ci} 508c2ecf20Sopenharmony_ci 518c2ecf20Sopenharmony_cistatic inline int rcar_cmm_setup(struct platform_device *pdev, 528c2ecf20Sopenharmony_ci const struct rcar_cmm_config *config) 538c2ecf20Sopenharmony_ci{ 548c2ecf20Sopenharmony_ci return 0; 558c2ecf20Sopenharmony_ci} 568c2ecf20Sopenharmony_ci#endif /* IS_ENABLED(CONFIG_DRM_RCAR_CMM) */ 578c2ecf20Sopenharmony_ci 588c2ecf20Sopenharmony_ci#endif /* __RCAR_CMM_H__ */ 59