1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) Jernej Skrabec <jernej.skrabec@siol.net>
4 */
5
6#ifndef _SUN8I_CSC_H_
7#define _SUN8I_CSC_H_
8
9#include <drm/drm_color_mgmt.h>
10
11struct sun8i_mixer;
12
13/* VI channel CSC units offsets */
14#define CCSC00_OFFSET 0xAA050
15#define CCSC01_OFFSET 0xFA050
16#define CCSC10_OFFSET 0xA0000
17#define CCSC11_OFFSET 0xF0000
18
19#define SUN8I_CSC_CTRL(base)		((base) + 0x0)
20#define SUN8I_CSC_COEFF(base, i)	((base) + 0x10 + 4 * (i))
21
22#define SUN8I_CSC_CTRL_EN		BIT(0)
23
24enum sun8i_csc_mode {
25	SUN8I_CSC_MODE_OFF,
26	SUN8I_CSC_MODE_YUV2RGB,
27	SUN8I_CSC_MODE_YVU2RGB,
28};
29
30void sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer,
31				     enum sun8i_csc_mode mode,
32				     enum drm_color_encoding encoding,
33				     enum drm_color_range range);
34void sun8i_csc_enable_ccsc(struct sun8i_mixer *mixer, int layer, bool enable);
35
36#endif
37