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 CCSC01_D1_OFFSET 0xFA000
17#define CCSC10_OFFSET 0xA0000
18#define CCSC11_OFFSET 0xF0000
19
20#define SUN8I_CSC_CTRL(base)		((base) + 0x0)
21#define SUN8I_CSC_COEFF(base, i)	((base) + 0x10 + 4 * (i))
22
23#define SUN8I_CSC_CTRL_EN		BIT(0)
24
25enum sun8i_csc_mode {
26	SUN8I_CSC_MODE_OFF,
27	SUN8I_CSC_MODE_YUV2RGB,
28	SUN8I_CSC_MODE_YVU2RGB,
29};
30
31void sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer,
32				     enum sun8i_csc_mode mode,
33				     enum drm_color_encoding encoding,
34				     enum drm_color_range range);
35void sun8i_csc_enable_ccsc(struct sun8i_mixer *mixer, int layer, bool enable);
36
37#endif