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/*
* Copyright © 2014 Broadcom
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef VC4_PACKET_H
#define VC4_PACKET_H
enum vc4_packet {
VC4_PACKET_HALT = 0,
VC4_PACKET_NOP = 1,
VC4_PACKET_FLUSH = 4,
VC4_PACKET_FLUSH_ALL = 5,
VC4_PACKET_START_TILE_BINNING = 6,
VC4_PACKET_INCREMENT_SEMAPHORE = 7,
VC4_PACKET_WAIT_ON_SEMAPHORE = 8,
VC4_PACKET_BRANCH = 16,
VC4_PACKET_BRANCH_TO_SUB_LIST = 17,
VC4_PACKET_STORE_MS_TILE_BUFFER = 24,
VC4_PACKET_STORE_MS_TILE_BUFFER_AND_EOF = 25,
VC4_PACKET_STORE_FULL_RES_TILE_BUFFER = 26,
VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER = 27,
VC4_PACKET_STORE_TILE_BUFFER_GENERAL = 28,
VC4_PACKET_LOAD_TILE_BUFFER_GENERAL = 29,
VC4_PACKET_GL_INDEXED_PRIMITIVE = 32,
VC4_PACKET_GL_ARRAY_PRIMITIVE = 33,
VC4_PACKET_COMPRESSED_PRIMITIVE = 48,
VC4_PACKET_CLIPPED_COMPRESSED_PRIMITIVE = 49,
VC4_PACKET_PRIMITIVE_LIST_FORMAT = 56,
VC4_PACKET_GL_SHADER_STATE = 64,
VC4_PACKET_NV_SHADER_STATE = 65,
VC4_PACKET_VG_SHADER_STATE = 66,
VC4_PACKET_CONFIGURATION_BITS = 96,
VC4_PACKET_FLAT_SHADE_FLAGS = 97,
VC4_PACKET_POINT_SIZE = 98,
VC4_PACKET_LINE_WIDTH = 99,
VC4_PACKET_RHT_X_BOUNDARY = 100,
VC4_PACKET_DEPTH_OFFSET = 101,
VC4_PACKET_CLIP_WINDOW = 102,
VC4_PACKET_VIEWPORT_OFFSET = 103,
VC4_PACKET_Z_CLIPPING = 104,
VC4_PACKET_CLIPPER_XY_SCALING = 105,
VC4_PACKET_CLIPPER_Z_SCALING = 106,
VC4_PACKET_TILE_BINNING_MODE_CONFIG = 112,
VC4_PACKET_TILE_RENDERING_MODE_CONFIG = 113,
VC4_PACKET_CLEAR_COLORS = 114,
VC4_PACKET_TILE_COORDINATES = 115,
/* Not an actual hardware packet -- this is what we use to put
* references to GEM bos in the command stream, since we need the u32
* int the actual address packet in order to store the offset from the
* start of the BO.
*/
VC4_PACKET_GEM_HANDLES = 254,
} __attribute__ ((__packed__));
#define VC4_PACKET_HALT_SIZE 1
#define VC4_PACKET_NOP_SIZE 1
#define VC4_PACKET_FLUSH_SIZE 1
#define VC4_PACKET_FLUSH_ALL_SIZE 1
#define VC4_PACKET_START_TILE_BINNING_SIZE 1
#define VC4_PACKET_INCREMENT_SEMAPHORE_SIZE 1
#define VC4_PACKET_WAIT_ON_SEMAPHORE_SIZE 1
#define VC4_PACKET_BRANCH_SIZE 5
#define VC4_PACKET_BRANCH_TO_SUB_LIST_SIZE 5
#define VC4_PACKET_STORE_MS_TILE_BUFFER_SIZE 1
#define VC4_PACKET_STORE_MS_TILE_BUFFER_AND_EOF_SIZE 1
#define VC4_PACKET_STORE_FULL_RES_TILE_BUFFER_SIZE 5
#define VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER_SIZE 5
#define VC4_PACKET_STORE_TILE_BUFFER_GENERAL_SIZE 7
#define VC4_PACKET_LOAD_TILE_BUFFER_GENERAL_SIZE 7
#define VC4_PACKET_GL_INDEXED_PRIMITIVE_SIZE 14
#define VC4_PACKET_GL_ARRAY_PRIMITIVE_SIZE 10
#define VC4_PACKET_COMPRESSED_PRIMITIVE_SIZE 1
#define VC4_PACKET_CLIPPED_COMPRESSED_PRIMITIVE_SIZE 1
#define VC4_PACKET_PRIMITIVE_LIST_FORMAT_SIZE 2
#define VC4_PACKET_GL_SHADER_STATE_SIZE 5
#define VC4_PACKET_NV_SHADER_STATE_SIZE 5
#define VC4_PACKET_VG_SHADER_STATE_SIZE 5
#define VC4_PACKET_CONFIGURATION_BITS_SIZE 4
#define VC4_PACKET_FLAT_SHADE_FLAGS_SIZE 5
#define VC4_PACKET_POINT_SIZE_SIZE 5
#define VC4_PACKET_LINE_WIDTH_SIZE 5
#define VC4_PACKET_RHT_X_BOUNDARY_SIZE 3
#define VC4_PACKET_DEPTH_OFFSET_SIZE 5
#define VC4_PACKET_CLIP_WINDOW_SIZE 9
#define VC4_PACKET_VIEWPORT_OFFSET_SIZE 5
#define VC4_PACKET_Z_CLIPPING_SIZE 9
#define VC4_PACKET_CLIPPER_XY_SCALING_SIZE 9
#define VC4_PACKET_CLIPPER_Z_SCALING_SIZE 9
#define VC4_PACKET_TILE_BINNING_MODE_CONFIG_SIZE 16
#define VC4_PACKET_TILE_RENDERING_MODE_CONFIG_SIZE 11
#define VC4_PACKET_CLEAR_COLORS_SIZE 14
#define VC4_PACKET_TILE_COORDINATES_SIZE 3
#define VC4_PACKET_GEM_HANDLES_SIZE 9
#define VC4_MASK(high, low) (((1 << ((high) - (low) + 1)) - 1) << (low))
/* Using the GNU statement expression extension */
#define VC4_SET_FIELD(value, field) \
({ \
uint32_t fieldval = (value) << field ## _SHIFT; \
assert((fieldval & ~ field ## _MASK) == 0); \
fieldval & field ## _MASK; \
})
#define VC4_GET_FIELD(word, field) (((word) & field ## _MASK) >> field ## _SHIFT)
/** @{
* Bits used by packets like VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
* VC4_PACKET_TILE_RENDERING_MODE_CONFIG.
*/
#define VC4_TILING_FORMAT_LINEAR 0
#define VC4_TILING_FORMAT_T 1
#define VC4_TILING_FORMAT_LT 2
/** @} */
/** @{
*
* low bits of VC4_PACKET_STORE_FULL_RES_TILE_BUFFER and
* VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER.
*/
#define VC4_LOADSTORE_FULL_RES_EOF (1 << 3)
#define VC4_LOADSTORE_FULL_RES_DISABLE_CLEAR_ALL (1 << 2)
#define VC4_LOADSTORE_FULL_RES_DISABLE_ZS (1 << 1)
#define VC4_LOADSTORE_FULL_RES_DISABLE_COLOR (1 << 0)
/** @{
*
* byte 2 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
* VC4_PACKET_LOAD_TILE_BUFFER_GENERAL (low bits of the address)
*/
#define VC4_LOADSTORE_TILE_BUFFER_EOF (1 << 3)
#define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_VG_MASK (1 << 2)
#define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_ZS (1 << 1)
#define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_COLOR (1 << 0)
/** @} */
/** @{
*
* byte 0-1 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
* VC4_PACKET_LOAD_TILE_BUFFER_GENERAL
*/
#define VC4_STORE_TILE_BUFFER_DISABLE_VG_MASK_CLEAR (1 << 15)
#define VC4_STORE_TILE_BUFFER_DISABLE_ZS_CLEAR (1 << 14)
#define VC4_STORE_TILE_BUFFER_DISABLE_COLOR_CLEAR (1 << 13)
#define VC4_STORE_TILE_BUFFER_DISABLE_SWAP (1 << 12)
#define VC4_LOADSTORE_TILE_BUFFER_FORMAT_MASK VC4_MASK(9, 8)
#define VC4_LOADSTORE_TILE_BUFFER_FORMAT_SHIFT 8
#define VC4_LOADSTORE_TILE_BUFFER_RGBA8888 0
#define VC4_LOADSTORE_TILE_BUFFER_BGR565_DITHER 1
#define VC4_LOADSTORE_TILE_BUFFER_BGR565 2
/** @} */
/** @{
*
* byte 0 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
* VC4_PACKET_LOAD_TILE_BUFFER_GENERAL
*/
#define VC4_STORE_TILE_BUFFER_MODE_MASK VC4_MASK(7, 6)
#define VC4_STORE_TILE_BUFFER_MODE_SHIFT 6
#define VC4_STORE_TILE_BUFFER_MODE_SAMPLE0 (0 << 6)
#define VC4_STORE_TILE_BUFFER_MODE_DECIMATE_X4 (1 << 6)
#define VC4_STORE_TILE_BUFFER_MODE_DECIMATE_X16 (2 << 6)
/** The values of the field are VC4_TILING_FORMAT_* */
#define VC4_LOADSTORE_TILE_BUFFER_TILING_MASK VC4_MASK(5, 4)
#define VC4_LOADSTORE_TILE_BUFFER_TILING_SHIFT 4
#define VC4_LOADSTORE_TILE_BUFFER_BUFFER_MASK VC4_MASK(2, 0)
#define VC4_LOADSTORE_TILE_BUFFER_BUFFER_SHIFT 0
#define VC4_LOADSTORE_TILE_BUFFER_NONE 0
#define VC4_LOADSTORE_TILE_BUFFER_COLOR 1
#define VC4_LOADSTORE_TILE_BUFFER_ZS 2
#define VC4_LOADSTORE_TILE_BUFFER_Z 3
#define VC4_LOADSTORE_TILE_BUFFER_VG_MASK 4
#define VC4_LOADSTORE_TILE_BUFFER_FULL 5
/** @} */
#define VC4_INDEX_BUFFER_U8 (0 << 4)
#define VC4_INDEX_BUFFER_U16 (1 << 4)
/* This flag is only present in NV shader state. */
#define VC4_SHADER_FLAG_SHADED_CLIP_COORDS (1 << 3)
#define VC4_SHADER_FLAG_ENABLE_CLIPPING (1 << 2)
#define VC4_SHADER_FLAG_VS_POINT_SIZE (1 << 1)
#define VC4_SHADER_FLAG_FS_SINGLE_THREAD (1 << 0)
/** @{ byte 2 of config bits. */
#define VC4_CONFIG_BITS_EARLY_Z_UPDATE (1 << 1)
#define VC4_CONFIG_BITS_EARLY_Z (1 << 0)
/** @} */
/** @{ byte 1 of config bits. */
#define VC4_CONFIG_BITS_Z_UPDATE (1 << 7)
/** same values in this 3-bit field as PIPE_FUNC_* */
#define VC4_CONFIG_BITS_DEPTH_FUNC_SHIFT 4
#define VC4_CONFIG_BITS_COVERAGE_READ_LEAVE (1 << 3)
#define VC4_CONFIG_BITS_COVERAGE_UPDATE_NONZERO (0 << 1)
#define VC4_CONFIG_BITS_COVERAGE_UPDATE_ODD (1 << 1)
#define VC4_CONFIG_BITS_COVERAGE_UPDATE_OR (2 << 1)
#define VC4_CONFIG_BITS_COVERAGE_UPDATE_ZERO (3 << 1)
#define VC4_CONFIG_BITS_COVERAGE_PIPE_SELECT (1 << 0)
/** @} */
/** @{ byte 0 of config bits. */
#define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_NONE (0 << 6)
#define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_4X (1 << 6)
#define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_16X (2 << 6)
#define VC4_CONFIG_BITS_AA_POINTS_AND_LINES (1 << 4)
#define VC4_CONFIG_BITS_ENABLE_DEPTH_OFFSET (1 << 3)
#define VC4_CONFIG_BITS_CW_PRIMITIVES (1 << 2)
#define VC4_CONFIG_BITS_ENABLE_PRIM_BACK (1 << 1)
#define VC4_CONFIG_BITS_ENABLE_PRIM_FRONT (1 << 0)
/** @} */
/** @{ bits in the last u8 of VC4_PACKET_TILE_BINNING_MODE_CONFIG */
#define VC4_BIN_CONFIG_DB_NON_MS (1 << 7)
#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_MASK VC4_MASK(6, 5)
#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_SHIFT 5
#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_32 0
#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_64 1
#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_128 2
#define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_256 3
#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_MASK VC4_MASK(4, 3)
#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_SHIFT 3
#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_32 0
#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_64 1
#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_128 2
#define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_256 3
#define VC4_BIN_CONFIG_AUTO_INIT_TSDA (1 << 2)
#define VC4_BIN_CONFIG_TILE_BUFFER_64BIT (1 << 1)
#define VC4_BIN_CONFIG_MS_MODE_4X (1 << 0)
/** @} */
/** @{ bits in the last u16 of VC4_PACKET_TILE_RENDERING_MODE_CONFIG */
#define VC4_RENDER_CONFIG_DB_NON_MS (1 << 12)
#define VC4_RENDER_CONFIG_EARLY_Z_COVERAGE_DISABLE (1 << 11)
#define VC4_RENDER_CONFIG_EARLY_Z_DIRECTION_G (1 << 10)
#define VC4_RENDER_CONFIG_COVERAGE_MODE (1 << 9)
#define VC4_RENDER_CONFIG_ENABLE_VG_MASK (1 << 8)
/** The values of the field are VC4_TILING_FORMAT_* */
#define VC4_RENDER_CONFIG_MEMORY_FORMAT_MASK VC4_MASK(7, 6)
#define VC4_RENDER_CONFIG_MEMORY_FORMAT_SHIFT 6
#define VC4_RENDER_CONFIG_DECIMATE_MODE_1X (0 << 4)
#define VC4_RENDER_CONFIG_DECIMATE_MODE_4X (1 << 4)
#define VC4_RENDER_CONFIG_DECIMATE_MODE_16X (2 << 4)
#define VC4_RENDER_CONFIG_FORMAT_MASK VC4_MASK(3, 2)
#define VC4_RENDER_CONFIG_FORMAT_SHIFT 2
#define VC4_RENDER_CONFIG_FORMAT_BGR565_DITHERED 0
#define VC4_RENDER_CONFIG_FORMAT_RGBA8888 1
#define VC4_RENDER_CONFIG_FORMAT_BGR565 2
#define VC4_RENDER_CONFIG_TILE_BUFFER_64BIT (1 << 1)
#define VC4_RENDER_CONFIG_MS_MODE_4X (1 << 0)
#define VC4_PRIMITIVE_LIST_FORMAT_16_INDEX (1 << 4)
#define VC4_PRIMITIVE_LIST_FORMAT_32_XY (3 << 4)
#define VC4_PRIMITIVE_LIST_FORMAT_TYPE_POINTS (0 << 0)
#define VC4_PRIMITIVE_LIST_FORMAT_TYPE_LINES (1 << 0)
#define VC4_PRIMITIVE_LIST_FORMAT_TYPE_TRIANGLES (2 << 0)
#define VC4_PRIMITIVE_LIST_FORMAT_TYPE_RHT (3 << 0)
enum vc4_texture_data_type {
VC4_TEXTURE_TYPE_RGBA8888 = 0,
VC4_TEXTURE_TYPE_RGBX8888 = 1,
VC4_TEXTURE_TYPE_RGBA4444 = 2,
VC4_TEXTURE_TYPE_RGBA5551 = 3,
VC4_TEXTURE_TYPE_RGB565 = 4,
VC4_TEXTURE_TYPE_LUMINANCE = 5,
VC4_TEXTURE_TYPE_ALPHA = 6,
VC4_TEXTURE_TYPE_LUMALPHA = 7,
VC4_TEXTURE_TYPE_ETC1 = 8,
VC4_TEXTURE_TYPE_S16F = 9,
VC4_TEXTURE_TYPE_S8 = 10,
VC4_TEXTURE_TYPE_S16 = 11,
VC4_TEXTURE_TYPE_BW1 = 12,
VC4_TEXTURE_TYPE_A4 = 13,
VC4_TEXTURE_TYPE_A1 = 14,
VC4_TEXTURE_TYPE_RGBA64 = 15,
VC4_TEXTURE_TYPE_RGBA32R = 16,
VC4_TEXTURE_TYPE_YUV422R = 17,
};
#define VC4_TEX_P0_OFFSET_MASK VC4_MASK(31, 12)
#define VC4_TEX_P0_OFFSET_SHIFT 12
#define VC4_TEX_P0_CSWIZ_MASK VC4_MASK(11, 10)
#define VC4_TEX_P0_CSWIZ_SHIFT 10
#define VC4_TEX_P0_CMMODE_MASK VC4_MASK(9, 9)
#define VC4_TEX_P0_CMMODE_SHIFT 9
#define VC4_TEX_P0_FLIPY_MASK VC4_MASK(8, 8)
#define VC4_TEX_P0_FLIPY_SHIFT 8
#define VC4_TEX_P0_TYPE_MASK VC4_MASK(7, 4)
#define VC4_TEX_P0_TYPE_SHIFT 4
#define VC4_TEX_P0_MIPLVLS_MASK VC4_MASK(3, 0)
#define VC4_TEX_P0_MIPLVLS_SHIFT 0
#define VC4_TEX_P1_TYPE4_MASK VC4_MASK(31, 31)
#define VC4_TEX_P1_TYPE4_SHIFT 31
#define VC4_TEX_P1_HEIGHT_MASK VC4_MASK(30, 20)
#define VC4_TEX_P1_HEIGHT_SHIFT 20
#define VC4_TEX_P1_ETCFLIP_MASK VC4_MASK(19, 19)
#define VC4_TEX_P1_ETCFLIP_SHIFT 19
#define VC4_TEX_P1_WIDTH_MASK VC4_MASK(18, 8)
#define VC4_TEX_P1_WIDTH_SHIFT 8
#define VC4_TEX_P1_MAGFILT_MASK VC4_MASK(7, 7)
#define VC4_TEX_P1_MAGFILT_SHIFT 7
# define VC4_TEX_P1_MAGFILT_LINEAR 0
# define VC4_TEX_P1_MAGFILT_NEAREST 1
#define VC4_TEX_P1_MINFILT_MASK VC4_MASK(6, 4)
#define VC4_TEX_P1_MINFILT_SHIFT 4
# define VC4_TEX_P1_MINFILT_LINEAR 0
# define VC4_TEX_P1_MINFILT_NEAREST 1
# define VC4_TEX_P1_MINFILT_NEAR_MIP_NEAR 2
# define VC4_TEX_P1_MINFILT_NEAR_MIP_LIN 3
# define VC4_TEX_P1_MINFILT_LIN_MIP_NEAR 4
# define VC4_TEX_P1_MINFILT_LIN_MIP_LIN 5
#define VC4_TEX_P1_WRAP_T_MASK VC4_MASK(3, 2)
#define VC4_TEX_P1_WRAP_T_SHIFT 2
#define VC4_TEX_P1_WRAP_S_MASK VC4_MASK(1, 0)
#define VC4_TEX_P1_WRAP_S_SHIFT 0
# define VC4_TEX_P1_WRAP_REPEAT 0
# define VC4_TEX_P1_WRAP_CLAMP 1
# define VC4_TEX_P1_WRAP_MIRROR 2
# define VC4_TEX_P1_WRAP_BORDER 3
#define VC4_TEX_P2_PTYPE_MASK VC4_MASK(31, 30)
#define VC4_TEX_P2_PTYPE_SHIFT 30
# define VC4_TEX_P2_PTYPE_IGNORED 0
# define VC4_TEX_P2_PTYPE_CUBE_MAP_STRIDE 1
# define VC4_TEX_P2_PTYPE_CHILD_IMAGE_DIMENSIONS 2
# define VC4_TEX_P2_PTYPE_CHILD_IMAGE_OFFSETS 3
/* VC4_TEX_P2_PTYPE_CUBE_MAP_STRIDE bits */
#define VC4_TEX_P2_CMST_MASK VC4_MASK(29, 12)
#define VC4_TEX_P2_CMST_SHIFT 12
#define VC4_TEX_P2_BSLOD_MASK VC4_MASK(0, 0)
#define VC4_TEX_P2_BSLOD_SHIFT 0
/* VC4_TEX_P2_PTYPE_CHILD_IMAGE_DIMENSIONS */
#define VC4_TEX_P2_CHEIGHT_MASK VC4_MASK(22, 12)
#define VC4_TEX_P2_CHEIGHT_SHIFT 12
#define VC4_TEX_P2_CWIDTH_MASK VC4_MASK(10, 0)
#define VC4_TEX_P2_CWIDTH_SHIFT 0
/* VC4_TEX_P2_PTYPE_CHILD_IMAGE_OFFSETS */
#define VC4_TEX_P2_CYOFF_MASK VC4_MASK(22, 12)
#define VC4_TEX_P2_CYOFF_SHIFT 12
#define VC4_TEX_P2_CXOFF_MASK VC4_MASK(10, 0)
#define VC4_TEX_P2_CXOFF_SHIFT 0
#endif /* VC4_PACKET_H */
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