60 lines
2.7 KiB
C
60 lines
2.7 KiB
C
/*
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* Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _TEGRA_DRM_NVDC_H_
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#define _TEGRA_DRM_NVDC_H_
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#define fourcc_code_tegra(a,b,c,d) ((__u32)(a) | ((__u32)(b) << 8) | \
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((__u32)(c) << 16) | ((__u32)(d) << 24))
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/*
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* 2 plane YCrCb, 10 bits per channel
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* index 0 = Y plane, [15:0] Y
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* index 1 = Cr:Cb plane, [31:0] Cr:Cb
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*
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* Pixel packing:
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*
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* Y plane
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* MS-Byte LS-Byte
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* Y9Y8Y7Y6Y5Y4Y3Y2 | Y1Y0XXXXXX
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*
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* UV plane
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* MS-Byte LS-Byte
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* V9V8V7V6V5V4V3V2 | V1V0XXXXXX | U9U8U7U6U5U4U3U2 | U1U0XXXXXX
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*/
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#define DRM_FORMAT_TEGRA_P010_709 fourcc_code_tegra('H', 'D', '0', '1') /* 2x2 subsampled Cr:Cb plane BT.709 */
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#define DRM_FORMAT_TEGRA_P010_2020 fourcc_code_tegra('U', 'H', 'D', '0') /* 2x2 subsampled Cr:Cb plane BT.2020 */
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struct drm_tegra_hdr_metadata_smpte_2086 {
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// idx 0 : G, 1 : B, 2 : R
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__u16 display_primaries_x[3]; // normalized x chromaticity cordinate. It shall be in the range of 0 to 50000
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__u16 display_primaries_y[3]; // normalized y chromaticity cordinate. It shall be in the range of 0 to 50000
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__u16 white_point_x; // normalized x chromaticity cordinate of white point of mastering display
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__u16 white_point_y; // normalized y chromaticity cordinate of white point of mastering display
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__u32 max_display_parameter_luminance; // nominal maximum display luminance in units of 0.0001 candelas per square metre
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__u32 min_display_parameter_luminance; // nominal minimum display luminance in units of 0.0001 candelas per square metre
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};
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#endif
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