diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_cmm.h')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_cmm.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_cmm.h b/drivers/gpu/drm/rcar-du/rcar_cmm.h new file mode 100644 index 000000000000..b5f7ec6db04a --- /dev/null +++ b/drivers/gpu/drm/rcar-du/rcar_cmm.h @@ -0,0 +1,58 @@ +/* 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__ */ |