Differential D10750 Diff 63225 platformsupport/scenes/opengl/drm_fourcc.h

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platformsupport/scenes/opengl/drm_fourcc.h

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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		// These typedefs are copied from drm.h
		30		typedef uint32_t __u32;
		31		typedef uint64_t __u64;
		32
		33		#if defined(__cplusplus)
		34		extern "C" {
		35		#endif
		36
		37		#define fourcc_code(a, b, c, d) ((__u32)(a) \| ((__u32)(b) << 8) \| \
		38		((__u32)(c) << 16) \| ((__u32)(d) << 24))
		39
		40		#define DRM_FORMAT_BIG_ENDIAN (1<<31) /* format is big endian instead of little endian */
		41
		42		/* color index */
		43		#define DRM_FORMAT_C8 fourcc_code('C', '8', ' ', ' ') /* [7:0] C */
		44
		45		/* 8 bpp Red */
		46		#define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
		47
		48		/* 16 bpp Red */
		49		#define DRM_FORMAT_R16 fourcc_code('R', '1', '6', ' ') /* [15:0] R little endian */
		50
		51		/* 16 bpp RG */
		52		#define DRM_FORMAT_RG88 fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
		53		#define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
		54
		55		/* 32 bpp RG */
		56		#define DRM_FORMAT_RG1616 fourcc_code('R', 'G', '3', '2') /* [31:0] R:G 16:16 little endian */
		57		#define DRM_FORMAT_GR1616 fourcc_code('G', 'R', '3', '2') /* [31:0] G:R 16:16 little endian */
		58
		59		/* 8 bpp RGB */
		60		#define DRM_FORMAT_RGB332 fourcc_code('R', 'G', 'B', '8') /* [7:0] R:G:B 3:3:2 */
		61		#define DRM_FORMAT_BGR233 fourcc_code('B', 'G', 'R', '8') /* [7:0] B:G:R 2:3:3 */
		62
		63		/* 16 bpp RGB */
		64		#define DRM_FORMAT_XRGB4444 fourcc_code('X', 'R', '1', '2') /* [15:0] x:R:G:B 4:4:4:4 little endian */
		65		#define DRM_FORMAT_XBGR4444 fourcc_code('X', 'B', '1', '2') /* [15:0] x:B:G:R 4:4:4:4 little endian */
		66		#define DRM_FORMAT_RGBX4444 fourcc_code('R', 'X', '1', '2') /* [15:0] R:G:B:x 4:4:4:4 little endian */
		67		#define DRM_FORMAT_BGRX4444 fourcc_code('B', 'X', '1', '2') /* [15:0] B:G:R:x 4:4:4:4 little endian */
		68
		69		#define DRM_FORMAT_ARGB4444 fourcc_code('A', 'R', '1', '2') /* [15:0] A:R:G:B 4:4:4:4 little endian */
		70		#define DRM_FORMAT_ABGR4444 fourcc_code('A', 'B', '1', '2') /* [15:0] A:B:G:R 4:4:4:4 little endian */
		71		#define DRM_FORMAT_RGBA4444 fourcc_code('R', 'A', '1', '2') /* [15:0] R:G:B:A 4:4:4:4 little endian */
		72		#define DRM_FORMAT_BGRA4444 fourcc_code('B', 'A', '1', '2') /* [15:0] B:G:R:A 4:4:4:4 little endian */
		73
		74		#define DRM_FORMAT_XRGB1555 fourcc_code('X', 'R', '1', '5') /* [15:0] x:R:G:B 1:5:5:5 little endian */
		75		#define DRM_FORMAT_XBGR1555 fourcc_code('X', 'B', '1', '5') /* [15:0] x:B:G:R 1:5:5:5 little endian */
		76		#define DRM_FORMAT_RGBX5551 fourcc_code('R', 'X', '1', '5') /* [15:0] R:G:B:x 5:5:5:1 little endian */
		77		#define DRM_FORMAT_BGRX5551 fourcc_code('B', 'X', '1', '5') /* [15:0] B:G:R:x 5:5:5:1 little endian */
		78
		79		#define DRM_FORMAT_ARGB1555 fourcc_code('A', 'R', '1', '5') /* [15:0] A:R:G:B 1:5:5:5 little endian */
		80		#define DRM_FORMAT_ABGR1555 fourcc_code('A', 'B', '1', '5') /* [15:0] A:B:G:R 1:5:5:5 little endian */
		81		#define DRM_FORMAT_RGBA5551 fourcc_code('R', 'A', '1', '5') /* [15:0] R:G:B:A 5:5:5:1 little endian */
		82		#define DRM_FORMAT_BGRA5551 fourcc_code('B', 'A', '1', '5') /* [15:0] B:G:R:A 5:5:5:1 little endian */
		83
		84		#define DRM_FORMAT_RGB565 fourcc_code('R', 'G', '1', '6') /* [15:0] R:G:B 5:6:5 little endian */
		85		#define DRM_FORMAT_BGR565 fourcc_code('B', 'G', '1', '6') /* [15:0] B:G:R 5:6:5 little endian */
		86
		87		/* 24 bpp RGB */
		88		#define DRM_FORMAT_RGB888 fourcc_code('R', 'G', '2', '4') /* [23:0] R:G:B little endian */
		89		#define DRM_FORMAT_BGR888 fourcc_code('B', 'G', '2', '4') /* [23:0] B:G:R little endian */
		90
		91		/* 32 bpp RGB */
		92		#define DRM_FORMAT_XRGB8888 fourcc_code('X', 'R', '2', '4') /* [31:0] x:R:G:B 8:8:8:8 little endian */
		93		#define DRM_FORMAT_XBGR8888 fourcc_code('X', 'B', '2', '4') /* [31:0] x:B:G:R 8:8:8:8 little endian */
		94		#define DRM_FORMAT_RGBX8888 fourcc_code('R', 'X', '2', '4') /* [31:0] R:G:B:x 8:8:8:8 little endian */
		95		#define DRM_FORMAT_BGRX8888 fourcc_code('B', 'X', '2', '4') /* [31:0] B:G:R:x 8:8:8:8 little endian */
		96
		97		#define DRM_FORMAT_ARGB8888 fourcc_code('A', 'R', '2', '4') /* [31:0] A:R:G:B 8:8:8:8 little endian */
		98		#define DRM_FORMAT_ABGR8888 fourcc_code('A', 'B', '2', '4') /* [31:0] A:B:G:R 8:8:8:8 little endian */
		99		#define DRM_FORMAT_RGBA8888 fourcc_code('R', 'A', '2', '4') /* [31:0] R:G:B:A 8:8:8:8 little endian */
		100		#define DRM_FORMAT_BGRA8888 fourcc_code('B', 'A', '2', '4') /* [31:0] B:G:R:A 8:8:8:8 little endian */
		101
		102		#define DRM_FORMAT_XRGB2101010 fourcc_code('X', 'R', '3', '0') /* [31:0] x:R:G:B 2:10:10:10 little endian */
		103		#define DRM_FORMAT_XBGR2101010 fourcc_code('X', 'B', '3', '0') /* [31:0] x:B:G:R 2:10:10:10 little endian */
		104		#define DRM_FORMAT_RGBX1010102 fourcc_code('R', 'X', '3', '0') /* [31:0] R:G:B:x 10:10:10:2 little endian */
		105		#define DRM_FORMAT_BGRX1010102 fourcc_code('B', 'X', '3', '0') /* [31:0] B:G:R:x 10:10:10:2 little endian */
		106
		107		#define DRM_FORMAT_ARGB2101010 fourcc_code('A', 'R', '3', '0') /* [31:0] A:R:G:B 2:10:10:10 little endian */
		108		#define DRM_FORMAT_ABGR2101010 fourcc_code('A', 'B', '3', '0') /* [31:0] A:B:G:R 2:10:10:10 little endian */
		109		#define DRM_FORMAT_RGBA1010102 fourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */
		110		#define DRM_FORMAT_BGRA1010102 fourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */
		111
		112		/* packed YCbCr */
		113		#define DRM_FORMAT_YUYV fourcc_code('Y', 'U', 'Y', 'V') /* [31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */
		114		#define DRM_FORMAT_YVYU fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
		115		#define DRM_FORMAT_UYVY fourcc_code('U', 'Y', 'V', 'Y') /* [31:0] Y1:Cr0:Y0:Cb0 8:8:8:8 little endian */
		116		#define DRM_FORMAT_VYUY fourcc_code('V', 'Y', 'U', 'Y') /* [31:0] Y1:Cb0:Y0:Cr0 8:8:8:8 little endian */
		117
		118		#define DRM_FORMAT_AYUV fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
		119
		120		/*
		121		* 2 plane RGB + A
		122		* index 0 = RGB plane, same format as the corresponding non _A8 format has
		123		* index 1 = A plane, [7:0] A
		124		*/
		125		#define DRM_FORMAT_XRGB8888_A8 fourcc_code('X', 'R', 'A', '8')
		126		#define DRM_FORMAT_XBGR8888_A8 fourcc_code('X', 'B', 'A', '8')
		127		#define DRM_FORMAT_RGBX8888_A8 fourcc_code('R', 'X', 'A', '8')
		128		#define DRM_FORMAT_BGRX8888_A8 fourcc_code('B', 'X', 'A', '8')
		129		#define DRM_FORMAT_RGB888_A8 fourcc_code('R', '8', 'A', '8')
		130		#define DRM_FORMAT_BGR888_A8 fourcc_code('B', '8', 'A', '8')
		131		#define DRM_FORMAT_RGB565_A8 fourcc_code('R', '5', 'A', '8')
		132		#define DRM_FORMAT_BGR565_A8 fourcc_code('B', '5', 'A', '8')
		133
		134		/*
		135		* 2 plane YCbCr
		136		* index 0 = Y plane, [7:0] Y
		137		* index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian
		138		* or
		139		* index 1 = Cb:Cr plane, [15:0] Cb:Cr little endian
		140		*/
		141		#define DRM_FORMAT_NV12 fourcc_code('N', 'V', '1', '2') /* 2x2 subsampled Cr:Cb plane */
		142		#define DRM_FORMAT_NV21 fourcc_code('N', 'V', '2', '1') /* 2x2 subsampled Cb:Cr plane */
		143		#define DRM_FORMAT_NV16 fourcc_code('N', 'V', '1', '6') /* 2x1 subsampled Cr:Cb plane */
		144		#define DRM_FORMAT_NV61 fourcc_code('N', 'V', '6', '1') /* 2x1 subsampled Cb:Cr plane */
		145		#define DRM_FORMAT_NV24 fourcc_code('N', 'V', '2', '4') /* non-subsampled Cr:Cb plane */
		146		#define DRM_FORMAT_NV42 fourcc_code('N', 'V', '4', '2') /* non-subsampled Cb:Cr plane */
		147
		148		/*
		149		* 3 plane YCbCr
		150		* index 0: Y plane, [7:0] Y
		151		* index 1: Cb plane, [7:0] Cb
		152		* index 2: Cr plane, [7:0] Cr
		153		* or
		154		* index 1: Cr plane, [7:0] Cr
		155		* index 2: Cb plane, [7:0] Cb
		156		*/
		157		#define DRM_FORMAT_YUV410 fourcc_code('Y', 'U', 'V', '9') /* 4x4 subsampled Cb (1) and Cr (2) planes */
		158		#define DRM_FORMAT_YVU410 fourcc_code('Y', 'V', 'U', '9') /* 4x4 subsampled Cr (1) and Cb (2) planes */
		159		#define DRM_FORMAT_YUV411 fourcc_code('Y', 'U', '1', '1') /* 4x1 subsampled Cb (1) and Cr (2) planes */
		160		#define DRM_FORMAT_YVU411 fourcc_code('Y', 'V', '1', '1') /* 4x1 subsampled Cr (1) and Cb (2) planes */
		161		#define DRM_FORMAT_YUV420 fourcc_code('Y', 'U', '1', '2') /* 2x2 subsampled Cb (1) and Cr (2) planes */
		162		#define DRM_FORMAT_YVU420 fourcc_code('Y', 'V', '1', '2') /* 2x2 subsampled Cr (1) and Cb (2) planes */
		163		#define DRM_FORMAT_YUV422 fourcc_code('Y', 'U', '1', '6') /* 2x1 subsampled Cb (1) and Cr (2) planes */
		164		#define DRM_FORMAT_YVU422 fourcc_code('Y', 'V', '1', '6') /* 2x1 subsampled Cr (1) and Cb (2) planes */
		165		#define DRM_FORMAT_YUV444 fourcc_code('Y', 'U', '2', '4') /* non-subsampled Cb (1) and Cr (2) planes */
		166		#define DRM_FORMAT_YVU444 fourcc_code('Y', 'V', '2', '4') /* non-subsampled Cr (1) and Cb (2) planes */
		167
		168
		169		/*
		170		* Format Modifiers:
		171		*
		172		* Format modifiers describe, typically, a re-ordering or modification
		173		* of the data in a plane of an FB. This can be used to express tiled/
		174		* swizzled formats, or compression, or a combination of the two.
		175		*
		176		* The upper 8 bits of the format modifier are a vendor-id as assigned
		177		* below. The lower 56 bits are assigned as vendor sees fit.
		178		*/
		179
		180		/* Vendor Ids: */
		181		#define DRM_FORMAT_MOD_NONE 0
		182		#define DRM_FORMAT_MOD_VENDOR_NONE 0
		183		#define DRM_FORMAT_MOD_VENDOR_INTEL 0x01
		184		#define DRM_FORMAT_MOD_VENDOR_AMD 0x02
		185		#define DRM_FORMAT_MOD_VENDOR_NV 0x03
		186		#define DRM_FORMAT_MOD_VENDOR_SAMSUNG 0x04
		187		#define DRM_FORMAT_MOD_VENDOR_QCOM 0x05
		188		#define DRM_FORMAT_MOD_VENDOR_VIVANTE 0x06
		189		#define DRM_FORMAT_MOD_VENDOR_BROADCOM 0x07
		190		/* add more to the end as needed */
		191
		192		#define DRM_FORMAT_RESERVED ((1ULL << 56) - 1)
		193
		194		#define fourcc_mod_code(vendor, val) \
		195		((((__u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) \| (val & 0x00ffffffffffffffULL))
		196
		197		/*
		198		* Format Modifier tokens:
		199		*
		200		* When adding a new token please document the layout with a code comment,
		201		* similar to the fourcc codes above. drm_fourcc.h is considered the
		202		* authoritative source for all of these.
		203		*/
		204
		205		/*
		206		* Invalid Modifier
		207		*
		208		* This modifier can be used as a sentinel to terminate the format modifiers
		209		* list, or to initialize a variable with an invalid modifier. It might also be
		210		* used to report an error back to userspace for certain APIs.
		211		*/
		212		#define DRM_FORMAT_MOD_INVALID fourcc_mod_code(NONE, DRM_FORMAT_RESERVED)
		213
		214		/*
		215		* Linear Layout
		216		*
		217		* Just plain linear layout. Note that this is different from no specifying any
		218		* modifier (e.g. not setting DRM_MODE_FB_MODIFIERS in the DRM_ADDFB2 ioctl),
		219		* which tells the driver to also take driver-internal information into account
		220		* and so might actually result in a tiled framebuffer.
		221		*/
		222		#define DRM_FORMAT_MOD_LINEAR fourcc_mod_code(NONE, 0)
		223
		224		/* Intel framebuffer modifiers */
		225
		226		/*
		227		* Intel X-tiling layout
		228		*
		229		* This is a tiled layout using 4Kb tiles (except on gen2 where the tiles 2Kb)
		230		* in row-major layout. Within the tile bytes are laid out row-major, with
		231		* a platform-dependent stride. On top of that the memory can apply
		232		* platform-depending swizzling of some higher address bits into bit6.
		233		*
		234		* This format is highly platforms specific and not useful for cross-driver
		235		* sharing. It exists since on a given platform it does uniquely identify the
		236		* layout in a simple way for i915-specific userspace.
		237		*/
		238		#define I915_FORMAT_MOD_X_TILED fourcc_mod_code(INTEL, 1)
		239
		240		/*
		241		* Intel Y-tiling layout
		242		*
		243		* This is a tiled layout using 4Kb tiles (except on gen2 where the tiles 2Kb)
		244		* in row-major layout. Within the tile bytes are laid out in OWORD (16 bytes)
		245		* chunks column-major, with a platform-dependent height. On top of that the
		246		* memory can apply platform-depending swizzling of some higher address bits
		247		* into bit6.
		248		*
		249		* This format is highly platforms specific and not useful for cross-driver
		250		* sharing. It exists since on a given platform it does uniquely identify the
		251		* layout in a simple way for i915-specific userspace.
		252		*/
		253		#define I915_FORMAT_MOD_Y_TILED fourcc_mod_code(INTEL, 2)
		254
		255		/*
		256		* Intel Yf-tiling layout
		257		*
		258		* This is a tiled layout using 4Kb tiles in row-major layout.
		259		* Within the tile pixels are laid out in 16 256 byte units / sub-tiles which
		260		* are arranged in four groups (two wide, two high) with column-major layout.
		261		* Each group therefore consits out of four 256 byte units, which are also laid
		262		* out as 2x2 column-major.
		263		* 256 byte units are made out of four 64 byte blocks of pixels, producing
		264		* either a square block or a 2:1 unit.
		265		* 64 byte blocks of pixels contain four pixel rows of 16 bytes, where the width
		266		* in pixel depends on the pixel depth.
		267		*/
		268		#define I915_FORMAT_MOD_Yf_TILED fourcc_mod_code(INTEL, 3)
		269
		270		/*
		271		* Intel color control surface (CCS) for render compression
		272		*
		273		* The framebuffer format must be one of the 8:8:8:8 RGB formats.
		274		* The main surface will be plane index 0 and must be Y/Yf-tiled,
		275		* the CCS will be plane index 1.
		276		*
		277		* Each CCS tile matches a 1024x512 pixel area of the main surface.
		278		* To match certain aspects of the 3D hardware the CCS is
		279		* considered to be made up of normal 128Bx32 Y tiles, Thus
		280		* the CCS pitch must be specified in multiples of 128 bytes.
		281		*
		282		* In reality the CCS tile appears to be a 64Bx64 Y tile, composed
		283		* of QWORD (8 bytes) chunks instead of OWORD (16 bytes) chunks.
		284		* But that fact is not relevant unless the memory is accessed
		285		* directly.
		286		*/
		287		#define I915_FORMAT_MOD_Y_TILED_CCS fourcc_mod_code(INTEL, 4)
		288		#define I915_FORMAT_MOD_Yf_TILED_CCS fourcc_mod_code(INTEL, 5)
		289
		290		/*
		291		* Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks
		292		*
		293		* Macroblocks are laid in a Z-shape, and each pixel data is following the
		294		* standard NV12 style.
		295		* As for NV12, an image is the result of two frame buffers: one for Y,
		296		* one for the interleaved Cb/Cr components (1/2 the height of the Y buffer).
		297		* Alignment requirements are (for each buffer):
		298		* - multiple of 128 pixels for the width
		299		* - multiple of 32 pixels for the height
		300		*
		301		* For more information: see https://linuxtv.org/downloads/v4l-dvb-apis/re32.html
		302		*/
		303		#define DRM_FORMAT_MOD_SAMSUNG_64_32_TILE fourcc_mod_code(SAMSUNG, 1)
		304
		305		/* Vivante framebuffer modifiers */
		306
		307		/*
		308		* Vivante 4x4 tiling layout
		309		*
		310		* This is a simple tiled layout using tiles of 4x4 pixels in a row-major
		311		* layout.
		312		*/
		313		#define DRM_FORMAT_MOD_VIVANTE_TILED fourcc_mod_code(VIVANTE, 1)
		314
		315		/*
		316		* Vivante 64x64 super-tiling layout
		317		*
		318		* This is a tiled layout using 64x64 pixel super-tiles, where each super-tile
		319		* contains 8x4 groups of 2x4 tiles of 4x4 pixels (like above) each, all in row-
		320		* major layout.
		321		*
		322		* For more information: see
		323		* https://github.com/etnaviv/etna_viv/blob/master/doc/hardware.md#texture-tiling
		324		*/
		325		#define DRM_FORMAT_MOD_VIVANTE_SUPER_TILED fourcc_mod_code(VIVANTE, 2)
		326
		327		/*
		328		* Vivante 4x4 tiling layout for dual-pipe
		329		*
		330		* Same as the 4x4 tiling layout, except every second 4x4 pixel tile starts at a
		331		* different base address. Offsets from the base addresses are therefore halved
		332		* compared to the non-split tiled layout.
		333		*/
		334		#define DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED fourcc_mod_code(VIVANTE, 3)
		335
		336		/*
		337		* Vivante 64x64 super-tiling layout for dual-pipe
		338		*
		339		* Same as the 64x64 super-tiling layout, except every second 4x4 pixel tile
		340		* starts at a different base address. Offsets from the base addresses are
		341		* therefore halved compared to the non-split super-tiled layout.
		342		*/
		343		#define DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED fourcc_mod_code(VIVANTE, 4)
		344
		345		/* NVIDIA Tegra frame buffer modifiers */
		346
		347		/*
		348		* Some modifiers take parameters, for example the number of vertical GOBs in
		349		* a block. Reserve the lower 32 bits for parameters
		350		*/
		351		#define __fourcc_mod_tegra_mode_shift 32
		352		#define fourcc_mod_tegra_code(val, params) \
		353		fourcc_mod_code(NV, ((((__u64)val) << __fourcc_mod_tegra_mode_shift) \| params))
		354		#define fourcc_mod_tegra_mod(m) \
		355		(m & ~((1ULL << __fourcc_mod_tegra_mode_shift) - 1))
		356		#define fourcc_mod_tegra_param(m) \
		357		(m & ((1ULL << __fourcc_mod_tegra_mode_shift) - 1))
		358
		359		/*
		360		* Tegra Tiled Layout, used by Tegra 2, 3 and 4.
		361		*
		362		* Pixels are arranged in simple tiles of 16 x 16 bytes.
		363		*/
		364		#define NV_FORMAT_MOD_TEGRA_TILED fourcc_mod_tegra_code(1, 0)
		365
		366		/*
		367		* Tegra 16Bx2 Block Linear layout, used by TK1/TX1
		368		*
		369		* Pixels are arranged in 64x8 Groups Of Bytes (GOBs). GOBs are then stacked
		370		* vertically by a power of 2 (1 to 32 GOBs) to form a block.
		371		*
		372		* Within a GOB, data is ordered as 16B x 2 lines sectors laid in Z-shape.
		373		*
		374		* Parameter 'v' is the log2 encoding of the number of GOBs stacked vertically.
		375		* Valid values are:
		376		*
		377		* 0 == ONE_GOB
		378		* 1 == TWO_GOBS
		379		* 2 == FOUR_GOBS
		380		* 3 == EIGHT_GOBS
		381		* 4 == SIXTEEN_GOBS
		382		* 5 == THIRTYTWO_GOBS
		383		*
		384		* Chapter 20 "Pixel Memory Formats" of the Tegra X1 TRM describes this format
		385		* in full detail.
		386		*/
		387		#define NV_FORMAT_MOD_TEGRA_16BX2_BLOCK(v) fourcc_mod_tegra_code(2, v)
		388
		389		/*
		390		* Broadcom VC4 "T" format
		391		*
		392		* This is the primary layout that the V3D GPU can texture from (it
		393		* can't do linear). The T format has:
		394		*
		395		* - 64b utiles of pixels in a raster-order grid according to cpp. It's 4x4
		396		* pixels at 32 bit depth.
		397		*
		398		* - 1k subtiles made of a 4x4 raster-order grid of 64b utiles (so usually
		399		* 16x16 pixels).
		400		*
		401		* - 4k tiles made of a 2x2 grid of 1k subtiles (so usually 32x32 pixels). On
		402		* even 4k tile rows, they're arranged as (BL, TL, TR, BR), and on odd rows
		403		* they're (TR, BR, BL, TL), where bottom left is start of memory.
		404		*
		405		* - an image made of 4k tiles in rows either left-to-right (even rows of 4k
		406		* tiles) or right-to-left (odd rows of 4k tiles).
		407		*/
		408		#define DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED fourcc_mod_code(BROADCOM, 1)
		409
		410		#if defined(__cplusplus)
		411		}
		412		#endif
		413
		414		#endif /* DRM_FOURCC_H */