/* * 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_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 /** @} */ /** @{ * * 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 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 << 7) #define VC4_STORE_TILE_BUFFER_DISABLE_ZS_CLEAR (1 << 6) #define VC4_STORE_TILE_BUFFER_DISABLE_COLOR_CLEAR (1 << 5) #define VC4_STORE_TILE_BUFFER_DISABLE_SWAP (1 << 4) #define VC4_LOADSTORE_TILE_BUFFER_RGBA8888 (0 << 0) #define VC4_LOADSTORE_TILE_BUFFER_BGR565_DITHER (1 << 0) #define VC4_LOADSTORE_TILE_BUFFER_BGR565 (2 << 0) #define VC4_LOADSTORE_TILE_BUFFER_MASK (3 << 0) /** @} */ /** @{ * * byte 0 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and * VC4_PACKET_LOAD_TILE_BUFFER_GENERAL */ #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_FORMAT_MASK (3 << 4) #define VC4_LOADSTORE_TILE_BUFFER_FORMAT_SHIFT 4 #define VC4_LOADSTORE_TILE_BUFFER_NONE (0 << 0) #define VC4_LOADSTORE_TILE_BUFFER_COLOR (1 << 0) #define VC4_LOADSTORE_TILE_BUFFER_ZS (2 << 0) #define VC4_LOADSTORE_TILE_BUFFER_Z (3 << 0) #define VC4_LOADSTORE_TILE_BUFFER_VG_MASK (4 << 0) #define VC4_LOADSTORE_TILE_BUFFER_FULL (5 << 0) /** @} */ #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_32 (0 << 5) #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_64 (1 << 5) #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_128 (2 << 5) #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_256 (3 << 5) #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_32 (0 << 3) #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_64 (1 << 3) #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_128 (2 << 3) #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_256 (3 << 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 (3 << 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_BGR565_DITHERED (0 << 2) #define VC4_RENDER_CONFIG_FORMAT_RGBA8888 (1 << 2) #define VC4_RENDER_CONFIG_FORMAT_BGR565 (2 << 2) #define VC4_RENDER_CONFIG_FORMAT_MASK (3 << 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 */