162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */
262306a36Sopenharmony_ci/*
362306a36Sopenharmony_ci * Copyright (C) Jernej Skrabec <jernej.skrabec@siol.net>
462306a36Sopenharmony_ci */
562306a36Sopenharmony_ci
662306a36Sopenharmony_ci#ifndef _SUN8I_CSC_H_
762306a36Sopenharmony_ci#define _SUN8I_CSC_H_
862306a36Sopenharmony_ci
962306a36Sopenharmony_ci#include <drm/drm_color_mgmt.h>
1062306a36Sopenharmony_ci
1162306a36Sopenharmony_cistruct sun8i_mixer;
1262306a36Sopenharmony_ci
1362306a36Sopenharmony_ci/* VI channel CSC units offsets */
1462306a36Sopenharmony_ci#define CCSC00_OFFSET 0xAA050
1562306a36Sopenharmony_ci#define CCSC01_OFFSET 0xFA050
1662306a36Sopenharmony_ci#define CCSC01_D1_OFFSET 0xFA000
1762306a36Sopenharmony_ci#define CCSC10_OFFSET 0xA0000
1862306a36Sopenharmony_ci#define CCSC11_OFFSET 0xF0000
1962306a36Sopenharmony_ci
2062306a36Sopenharmony_ci#define SUN8I_CSC_CTRL(base)		((base) + 0x0)
2162306a36Sopenharmony_ci#define SUN8I_CSC_COEFF(base, i)	((base) + 0x10 + 4 * (i))
2262306a36Sopenharmony_ci
2362306a36Sopenharmony_ci#define SUN8I_CSC_CTRL_EN		BIT(0)
2462306a36Sopenharmony_ci
2562306a36Sopenharmony_cienum sun8i_csc_mode {
2662306a36Sopenharmony_ci	SUN8I_CSC_MODE_OFF,
2762306a36Sopenharmony_ci	SUN8I_CSC_MODE_YUV2RGB,
2862306a36Sopenharmony_ci	SUN8I_CSC_MODE_YVU2RGB,
2962306a36Sopenharmony_ci};
3062306a36Sopenharmony_ci
3162306a36Sopenharmony_civoid sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer,
3262306a36Sopenharmony_ci				     enum sun8i_csc_mode mode,
3362306a36Sopenharmony_ci				     enum drm_color_encoding encoding,
3462306a36Sopenharmony_ci				     enum drm_color_range range);
3562306a36Sopenharmony_civoid sun8i_csc_enable_ccsc(struct sun8i_mixer *mixer, int layer, bool enable);
3662306a36Sopenharmony_ci
3762306a36Sopenharmony_ci#endif
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