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
38

source code of linux/drivers/gpu/drm/sun4i/sun8i_csc.h