drm/sun4i/sun8i_csc.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  * Copyright (C) Jernej Skrabec <jernej.skrabec@siol.net>
0004  */
0005
0006 #ifndef _SUN8I_CSC_H_
0007 #define _SUN8I_CSC_H_
0008
0009 #include <drm/drm_color_mgmt.h>
0010
0011 struct sun8i_mixer;
0012
0013 /* VI channel CSC units offsets */
0014 #define CCSC00_OFFSET 0xAA050
0015 #define CCSC01_OFFSET 0xFA050
0016 #define CCSC01_D1_OFFSET 0xFA000
0017 #define CCSC10_OFFSET 0xA0000
0018 #define CCSC11_OFFSET 0xF0000
0019
0020 #define SUN8I_CSC_CTRL(base)        ((base) + 0x0)
0021 #define SUN8I_CSC_COEFF(base, i)    ((base) + 0x10 + 4 * (i))
0022
0023 #define SUN8I_CSC_CTRL_EN       BIT(0)
0024
0025 enum sun8i_csc_mode {
0026     SUN8I_CSC_MODE_OFF,
0027     SUN8I_CSC_MODE_YUV2RGB,
0028     SUN8I_CSC_MODE_YVU2RGB,
0029 };
0030
0031 void sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer,
0032                      enum sun8i_csc_mode mode,
0033                      enum drm_color_encoding encoding,
0034                      enum drm_color_range range);
0035 void sun8i_csc_enable_ccsc(struct sun8i_mixer *mixer, int layer, bool enable);
0036
0037 #endif