forked from Minki/linux
b72cb0dc4c
Conversion from YUV to RGB depends on range (limited or full) and encoding (BT.601 or BT.709). Current code doesn't consider this and always uses BT.601 encoding and limited range. Fix this by introducing new CSC matrices, which are selected based on range and encoding parameters. Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190713120346.30349-4-jernej.skrabec@siol.net
37 lines
878 B
C
37 lines
878 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) Jernej Skrabec <jernej.skrabec@siol.net>
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*/
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#ifndef _SUN8I_CSC_H_
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#define _SUN8I_CSC_H_
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#include <drm/drm_color_mgmt.h>
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struct sun8i_mixer;
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/* VI channel CSC units offsets */
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#define CCSC00_OFFSET 0xAA050
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#define CCSC01_OFFSET 0xFA000
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#define CCSC10_OFFSET 0xA0000
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#define CCSC11_OFFSET 0xF0000
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#define SUN8I_CSC_CTRL(base) (base + 0x0)
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#define SUN8I_CSC_COEFF(base, i) (base + 0x10 + 4 * i)
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#define SUN8I_CSC_CTRL_EN BIT(0)
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enum sun8i_csc_mode {
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SUN8I_CSC_MODE_OFF,
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SUN8I_CSC_MODE_YUV2RGB,
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SUN8I_CSC_MODE_YVU2RGB,
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};
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void sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer,
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enum sun8i_csc_mode mode,
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enum drm_color_encoding encoding,
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enum drm_color_range range);
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void sun8i_csc_enable_ccsc(struct sun8i_mixer *mixer, int layer, bool enable);
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#endif
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