/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2022 Rockchip Electronics Co., Ltd.
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* Author: Sandy Huang <hjc@rock-chips.com>
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*/
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#ifndef __ROCKCHIP_DRM_DISPLAY_PATTERN_H__
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#define __ROCKCHIP_DRM_DISPLAY_PATTERN_H__
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <drm/drm_fourcc.h>
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struct util_color_component {
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unsigned int length;
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unsigned int offset;
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};
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struct util_rgb_info {
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struct util_color_component red;
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struct util_color_component green;
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struct util_color_component blue;
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struct util_color_component alpha;
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};
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enum util_yuv_order {
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YUV_YCbCr = 1,
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YUV_YCrCb = 2,
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YUV_YC = 4,
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YUV_CY = 8,
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};
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struct util_yuv_info {
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enum util_yuv_order order;
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unsigned int xsub;
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unsigned int ysub;
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unsigned int chroma_stride;
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};
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struct util_format_info {
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uint32_t format;
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const char *name;
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const struct util_rgb_info rgb;
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const struct util_yuv_info yuv;
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};
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void rockchip_drm_fill_color_bar(uint32_t format,
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void *planes[3], unsigned int width,
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unsigned int height, unsigned int stride);
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#endif
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