tjh.dev
Linux kernel mirror (for testing)
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1/*
2 * Copyright 2011 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 */
23
24#ifndef DRM_FOURCC_H
25#define DRM_FOURCC_H
26
27#include "drm.h"
28
29#if defined(__cplusplus)
30extern "C" {
31#endif
32
33#define fourcc_code(a, b, c, d) ((__u32)(a) | ((__u32)(b) << 8) | \
34 ((__u32)(c) << 16) | ((__u32)(d) << 24))
35
36#define DRM_FORMAT_BIG_ENDIAN (1<<31) /* format is big endian instead of little endian */
37
38/* color index */
39#define DRM_FORMAT_C8 fourcc_code('C', '8', ' ', ' ') /* [7:0] C */
40
41/* 8 bpp Red */
42#define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
43
44/* 16 bpp RG */
45#define DRM_FORMAT_RG88 fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
46#define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
47
48/* 8 bpp RGB */
49#define DRM_FORMAT_RGB332 fourcc_code('R', 'G', 'B', '8') /* [7:0] R:G:B 3:3:2 */
50#define DRM_FORMAT_BGR233 fourcc_code('B', 'G', 'R', '8') /* [7:0] B:G:R 2:3:3 */
51
52/* 16 bpp RGB */
53#define DRM_FORMAT_XRGB4444 fourcc_code('X', 'R', '1', '2') /* [15:0] x:R:G:B 4:4:4:4 little endian */
54#define DRM_FORMAT_XBGR4444 fourcc_code('X', 'B', '1', '2') /* [15:0] x:B:G:R 4:4:4:4 little endian */
55#define DRM_FORMAT_RGBX4444 fourcc_code('R', 'X', '1', '2') /* [15:0] R:G:B:x 4:4:4:4 little endian */
56#define DRM_FORMAT_BGRX4444 fourcc_code('B', 'X', '1', '2') /* [15:0] B:G:R:x 4:4:4:4 little endian */
57
58#define DRM_FORMAT_ARGB4444 fourcc_code('A', 'R', '1', '2') /* [15:0] A:R:G:B 4:4:4:4 little endian */
59#define DRM_FORMAT_ABGR4444 fourcc_code('A', 'B', '1', '2') /* [15:0] A:B:G:R 4:4:4:4 little endian */
60#define DRM_FORMAT_RGBA4444 fourcc_code('R', 'A', '1', '2') /* [15:0] R:G:B:A 4:4:4:4 little endian */
61#define DRM_FORMAT_BGRA4444 fourcc_code('B', 'A', '1', '2') /* [15:0] B:G:R:A 4:4:4:4 little endian */
62
63#define DRM_FORMAT_XRGB1555 fourcc_code('X', 'R', '1', '5') /* [15:0] x:R:G:B 1:5:5:5 little endian */
64#define DRM_FORMAT_XBGR1555 fourcc_code('X', 'B', '1', '5') /* [15:0] x:B:G:R 1:5:5:5 little endian */
65#define DRM_FORMAT_RGBX5551 fourcc_code('R', 'X', '1', '5') /* [15:0] R:G:B:x 5:5:5:1 little endian */
66#define DRM_FORMAT_BGRX5551 fourcc_code('B', 'X', '1', '5') /* [15:0] B:G:R:x 5:5:5:1 little endian */
67
68#define DRM_FORMAT_ARGB1555 fourcc_code('A', 'R', '1', '5') /* [15:0] A:R:G:B 1:5:5:5 little endian */
69#define DRM_FORMAT_ABGR1555 fourcc_code('A', 'B', '1', '5') /* [15:0] A:B:G:R 1:5:5:5 little endian */
70#define DRM_FORMAT_RGBA5551 fourcc_code('R', 'A', '1', '5') /* [15:0] R:G:B:A 5:5:5:1 little endian */
71#define DRM_FORMAT_BGRA5551 fourcc_code('B', 'A', '1', '5') /* [15:0] B:G:R:A 5:5:5:1 little endian */
72
73#define DRM_FORMAT_RGB565 fourcc_code('R', 'G', '1', '6') /* [15:0] R:G:B 5:6:5 little endian */
74#define DRM_FORMAT_BGR565 fourcc_code('B', 'G', '1', '6') /* [15:0] B:G:R 5:6:5 little endian */
75
76/* 24 bpp RGB */
77#define DRM_FORMAT_RGB888 fourcc_code('R', 'G', '2', '4') /* [23:0] R:G:B little endian */
78#define DRM_FORMAT_BGR888 fourcc_code('B', 'G', '2', '4') /* [23:0] B:G:R little endian */
79
80/* 32 bpp RGB */
81#define DRM_FORMAT_XRGB8888 fourcc_code('X', 'R', '2', '4') /* [31:0] x:R:G:B 8:8:8:8 little endian */
82#define DRM_FORMAT_XBGR8888 fourcc_code('X', 'B', '2', '4') /* [31:0] x:B:G:R 8:8:8:8 little endian */
83#define DRM_FORMAT_RGBX8888 fourcc_code('R', 'X', '2', '4') /* [31:0] R:G:B:x 8:8:8:8 little endian */
84#define DRM_FORMAT_BGRX8888 fourcc_code('B', 'X', '2', '4') /* [31:0] B:G:R:x 8:8:8:8 little endian */
85
86#define DRM_FORMAT_ARGB8888 fourcc_code('A', 'R', '2', '4') /* [31:0] A:R:G:B 8:8:8:8 little endian */
87#define DRM_FORMAT_ABGR8888 fourcc_code('A', 'B', '2', '4') /* [31:0] A:B:G:R 8:8:8:8 little endian */
88#define DRM_FORMAT_RGBA8888 fourcc_code('R', 'A', '2', '4') /* [31:0] R:G:B:A 8:8:8:8 little endian */
89#define DRM_FORMAT_BGRA8888 fourcc_code('B', 'A', '2', '4') /* [31:0] B:G:R:A 8:8:8:8 little endian */
90
91#define DRM_FORMAT_XRGB2101010 fourcc_code('X', 'R', '3', '0') /* [31:0] x:R:G:B 2:10:10:10 little endian */
92#define DRM_FORMAT_XBGR2101010 fourcc_code('X', 'B', '3', '0') /* [31:0] x:B:G:R 2:10:10:10 little endian */
93#define DRM_FORMAT_RGBX1010102 fourcc_code('R', 'X', '3', '0') /* [31:0] R:G:B:x 10:10:10:2 little endian */
94#define DRM_FORMAT_BGRX1010102 fourcc_code('B', 'X', '3', '0') /* [31:0] B:G:R:x 10:10:10:2 little endian */
95
96#define DRM_FORMAT_ARGB2101010 fourcc_code('A', 'R', '3', '0') /* [31:0] A:R:G:B 2:10:10:10 little endian */
97#define DRM_FORMAT_ABGR2101010 fourcc_code('A', 'B', '3', '0') /* [31:0] A:B:G:R 2:10:10:10 little endian */
98#define DRM_FORMAT_RGBA1010102 fourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */
99#define DRM_FORMAT_BGRA1010102 fourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */
100
101/* packed YCbCr */
102#define DRM_FORMAT_YUYV fourcc_code('Y', 'U', 'Y', 'V') /* [31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */
103#define DRM_FORMAT_YVYU fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
104#define DRM_FORMAT_UYVY fourcc_code('U', 'Y', 'V', 'Y') /* [31:0] Y1:Cr0:Y0:Cb0 8:8:8:8 little endian */
105#define DRM_FORMAT_VYUY fourcc_code('V', 'Y', 'U', 'Y') /* [31:0] Y1:Cb0:Y0:Cr0 8:8:8:8 little endian */
106
107#define DRM_FORMAT_AYUV fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
108
109/*
110 * 2 plane YCbCr
111 * index 0 = Y plane, [7:0] Y
112 * index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian
113 * or
114 * index 1 = Cb:Cr plane, [15:0] Cb:Cr little endian
115 */
116#define DRM_FORMAT_NV12 fourcc_code('N', 'V', '1', '2') /* 2x2 subsampled Cr:Cb plane */
117#define DRM_FORMAT_NV21 fourcc_code('N', 'V', '2', '1') /* 2x2 subsampled Cb:Cr plane */
118#define DRM_FORMAT_NV16 fourcc_code('N', 'V', '1', '6') /* 2x1 subsampled Cr:Cb plane */
119#define DRM_FORMAT_NV61 fourcc_code('N', 'V', '6', '1') /* 2x1 subsampled Cb:Cr plane */
120#define DRM_FORMAT_NV24 fourcc_code('N', 'V', '2', '4') /* non-subsampled Cr:Cb plane */
121#define DRM_FORMAT_NV42 fourcc_code('N', 'V', '4', '2') /* non-subsampled Cb:Cr plane */
122
123/*
124 * 3 plane YCbCr
125 * index 0: Y plane, [7:0] Y
126 * index 1: Cb plane, [7:0] Cb
127 * index 2: Cr plane, [7:0] Cr
128 * or
129 * index 1: Cr plane, [7:0] Cr
130 * index 2: Cb plane, [7:0] Cb
131 */
132#define DRM_FORMAT_YUV410 fourcc_code('Y', 'U', 'V', '9') /* 4x4 subsampled Cb (1) and Cr (2) planes */
133#define DRM_FORMAT_YVU410 fourcc_code('Y', 'V', 'U', '9') /* 4x4 subsampled Cr (1) and Cb (2) planes */
134#define DRM_FORMAT_YUV411 fourcc_code('Y', 'U', '1', '1') /* 4x1 subsampled Cb (1) and Cr (2) planes */
135#define DRM_FORMAT_YVU411 fourcc_code('Y', 'V', '1', '1') /* 4x1 subsampled Cr (1) and Cb (2) planes */
136#define DRM_FORMAT_YUV420 fourcc_code('Y', 'U', '1', '2') /* 2x2 subsampled Cb (1) and Cr (2) planes */
137#define DRM_FORMAT_YVU420 fourcc_code('Y', 'V', '1', '2') /* 2x2 subsampled Cr (1) and Cb (2) planes */
138#define DRM_FORMAT_YUV422 fourcc_code('Y', 'U', '1', '6') /* 2x1 subsampled Cb (1) and Cr (2) planes */
139#define DRM_FORMAT_YVU422 fourcc_code('Y', 'V', '1', '6') /* 2x1 subsampled Cr (1) and Cb (2) planes */
140#define DRM_FORMAT_YUV444 fourcc_code('Y', 'U', '2', '4') /* non-subsampled Cb (1) and Cr (2) planes */
141#define DRM_FORMAT_YVU444 fourcc_code('Y', 'V', '2', '4') /* non-subsampled Cr (1) and Cb (2) planes */
142
143
144/*
145 * Format Modifiers:
146 *
147 * Format modifiers describe, typically, a re-ordering or modification
148 * of the data in a plane of an FB. This can be used to express tiled/
149 * swizzled formats, or compression, or a combination of the two.
150 *
151 * The upper 8 bits of the format modifier are a vendor-id as assigned
152 * below. The lower 56 bits are assigned as vendor sees fit.
153 */
154
155/* Vendor Ids: */
156#define DRM_FORMAT_MOD_NONE 0
157#define DRM_FORMAT_MOD_VENDOR_INTEL 0x01
158#define DRM_FORMAT_MOD_VENDOR_AMD 0x02
159#define DRM_FORMAT_MOD_VENDOR_NV 0x03
160#define DRM_FORMAT_MOD_VENDOR_SAMSUNG 0x04
161#define DRM_FORMAT_MOD_VENDOR_QCOM 0x05
162/* add more to the end as needed */
163
164#define fourcc_mod_code(vendor, val) \
165 ((((__u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | (val & 0x00ffffffffffffffULL))
166
167/*
168 * Format Modifier tokens:
169 *
170 * When adding a new token please document the layout with a code comment,
171 * similar to the fourcc codes above. drm_fourcc.h is considered the
172 * authoritative source for all of these.
173 */
174
175/* Intel framebuffer modifiers */
176
177/*
178 * Intel X-tiling layout
179 *
180 * This is a tiled layout using 4Kb tiles (except on gen2 where the tiles 2Kb)
181 * in row-major layout. Within the tile bytes are laid out row-major, with
182 * a platform-dependent stride. On top of that the memory can apply
183 * platform-depending swizzling of some higher address bits into bit6.
184 *
185 * This format is highly platforms specific and not useful for cross-driver
186 * sharing. It exists since on a given platform it does uniquely identify the
187 * layout in a simple way for i915-specific userspace.
188 */
189#define I915_FORMAT_MOD_X_TILED fourcc_mod_code(INTEL, 1)
190
191/*
192 * Intel Y-tiling layout
193 *
194 * This is a tiled layout using 4Kb tiles (except on gen2 where the tiles 2Kb)
195 * in row-major layout. Within the tile bytes are laid out in OWORD (16 bytes)
196 * chunks column-major, with a platform-dependent height. On top of that the
197 * memory can apply platform-depending swizzling of some higher address bits
198 * into bit6.
199 *
200 * This format is highly platforms specific and not useful for cross-driver
201 * sharing. It exists since on a given platform it does uniquely identify the
202 * layout in a simple way for i915-specific userspace.
203 */
204#define I915_FORMAT_MOD_Y_TILED fourcc_mod_code(INTEL, 2)
205
206/*
207 * Intel Yf-tiling layout
208 *
209 * This is a tiled layout using 4Kb tiles in row-major layout.
210 * Within the tile pixels are laid out in 16 256 byte units / sub-tiles which
211 * are arranged in four groups (two wide, two high) with column-major layout.
212 * Each group therefore consits out of four 256 byte units, which are also laid
213 * out as 2x2 column-major.
214 * 256 byte units are made out of four 64 byte blocks of pixels, producing
215 * either a square block or a 2:1 unit.
216 * 64 byte blocks of pixels contain four pixel rows of 16 bytes, where the width
217 * in pixel depends on the pixel depth.
218 */
219#define I915_FORMAT_MOD_Yf_TILED fourcc_mod_code(INTEL, 3)
220
221/*
222 * Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks
223 *
224 * Macroblocks are laid in a Z-shape, and each pixel data is following the
225 * standard NV12 style.
226 * As for NV12, an image is the result of two frame buffers: one for Y,
227 * one for the interleaved Cb/Cr components (1/2 the height of the Y buffer).
228 * Alignment requirements are (for each buffer):
229 * - multiple of 128 pixels for the width
230 * - multiple of 32 pixels for the height
231 *
232 * For more information: see https://linuxtv.org/downloads/v4l-dvb-apis/re32.html
233 */
234#define DRM_FORMAT_MOD_SAMSUNG_64_32_TILE fourcc_mod_code(SAMSUNG, 1)
235
236#if defined(__cplusplus)
237}
238#endif
239
240#endif /* DRM_FOURCC_H */