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cab4c03b4b
"Allwinner V3s" has secondary video layer (VI).
Decoded video is displayed in wrong colors until
secondary CSC registers are programmed correctly.
Fixes: 8830293905 ("drm/sun4i: Add DE2 CSC library")
Signed-off-by: Martin Cerveny <m.cerveny@computer.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200906162140.5584-2-m.cerveny@computer.org
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 0xFA050
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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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