vc4/vc4_packet.h

   1 /*
   2  * Copyright © 2014 Broadcom
   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  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #ifndef VC4_PACKET_H
  25 #define VC4_PACKET_H
  26
  27 enum vc4_packet {
  28         VC4_PACKET_HALT = 0,
  29         VC4_PACKET_NOP = 1,
  30
  31         VC4_PACKET_FLUSH = 4,
  32         VC4_PACKET_FLUSH_ALL = 5,
  33         VC4_PACKET_START_TILE_BINNING = 6,
  34         VC4_PACKET_INCREMENT_SEMAPHORE = 7,
  35         VC4_PACKET_WAIT_ON_SEMAPHORE = 8,
  36
  37         VC4_PACKET_BRANCH = 16,
  38         VC4_PACKET_BRANCH_TO_SUB_LIST = 17,
  39         VC4_PACKET_RETURN_FROM_SUB_LIST = 18,
  40
  41         VC4_PACKET_STORE_MS_TILE_BUFFER = 24,
  42         VC4_PACKET_STORE_MS_TILE_BUFFER_AND_EOF = 25,
  43         VC4_PACKET_STORE_FULL_RES_TILE_BUFFER = 26,
  44         VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER = 27,
  45         VC4_PACKET_STORE_TILE_BUFFER_GENERAL = 28,
  46         VC4_PACKET_LOAD_TILE_BUFFER_GENERAL = 29,
  47
  48         VC4_PACKET_GL_INDEXED_PRIMITIVE = 32,
  49         VC4_PACKET_GL_ARRAY_PRIMITIVE = 33,
  50
  51         VC4_PACKET_COMPRESSED_PRIMITIVE = 48,
  52         VC4_PACKET_CLIPPED_COMPRESSED_PRIMITIVE = 49,
  53
  54         VC4_PACKET_PRIMITIVE_LIST_FORMAT = 56,
  55
  56         VC4_PACKET_GL_SHADER_STATE = 64,
  57         VC4_PACKET_NV_SHADER_STATE = 65,
  58         VC4_PACKET_VG_SHADER_STATE = 66,
  59
  60         VC4_PACKET_CONFIGURATION_BITS = 96,
  61         VC4_PACKET_FLAT_SHADE_FLAGS = 97,
  62         VC4_PACKET_POINT_SIZE = 98,
  63         VC4_PACKET_LINE_WIDTH = 99,
  64         VC4_PACKET_RHT_X_BOUNDARY = 100,
  65         VC4_PACKET_DEPTH_OFFSET = 101,
  66         VC4_PACKET_CLIP_WINDOW = 102,
  67         VC4_PACKET_VIEWPORT_OFFSET = 103,
  68         VC4_PACKET_Z_CLIPPING = 104,
  69         VC4_PACKET_CLIPPER_XY_SCALING = 105,
  70         VC4_PACKET_CLIPPER_Z_SCALING = 106,
  71
  72         VC4_PACKET_TILE_BINNING_MODE_CONFIG = 112,
  73         VC4_PACKET_TILE_RENDERING_MODE_CONFIG = 113,
  74         VC4_PACKET_CLEAR_COLORS = 114,
  75         VC4_PACKET_TILE_COORDINATES = 115,
  76
  77         /* Not an actual hardware packet -- this is what we use to put
  78          * references to GEM bos in the command stream, since we need the u32
  79          * int the actual address packet in order to store the offset from the
  80          * start of the BO.
  81          */
  82         VC4_PACKET_GEM_HANDLES = 254,
  83 } __attribute__ ((__packed__));
  84
  85 #define VC4_PACKET_HALT_SIZE                                            1
  86 #define VC4_PACKET_NOP_SIZE                                             1
  87 #define VC4_PACKET_FLUSH_SIZE                                           1
  88 #define VC4_PACKET_FLUSH_ALL_SIZE                                       1
  89 #define VC4_PACKET_START_TILE_BINNING_SIZE                              1
  90 #define VC4_PACKET_INCREMENT_SEMAPHORE_SIZE                             1
  91 #define VC4_PACKET_WAIT_ON_SEMAPHORE_SIZE                               1
  92 #define VC4_PACKET_BRANCH_SIZE                                          5
  93 #define VC4_PACKET_BRANCH_TO_SUB_LIST_SIZE                              5
  94 #define VC4_PACKET_RETURN_FROM_SUB_LIST_SIZE                            1
  95 #define VC4_PACKET_STORE_MS_TILE_BUFFER_SIZE                            1
  96 #define VC4_PACKET_STORE_MS_TILE_BUFFER_AND_EOF_SIZE                    1
  97 #define VC4_PACKET_STORE_FULL_RES_TILE_BUFFER_SIZE                      5
  98 #define VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER_SIZE                       5
  99 #define VC4_PACKET_STORE_TILE_BUFFER_GENERAL_SIZE                       7
 100 #define VC4_PACKET_LOAD_TILE_BUFFER_GENERAL_SIZE                        7
 101 #define VC4_PACKET_GL_INDEXED_PRIMITIVE_SIZE                            14
 102 #define VC4_PACKET_GL_ARRAY_PRIMITIVE_SIZE                              10
 103 #define VC4_PACKET_COMPRESSED_PRIMITIVE_SIZE                            1
 104 #define VC4_PACKET_CLIPPED_COMPRESSED_PRIMITIVE_SIZE                    1
 105 #define VC4_PACKET_PRIMITIVE_LIST_FORMAT_SIZE                           2
 106 #define VC4_PACKET_GL_SHADER_STATE_SIZE                                 5
 107 #define VC4_PACKET_NV_SHADER_STATE_SIZE                                 5
 108 #define VC4_PACKET_VG_SHADER_STATE_SIZE                                 5
 109 #define VC4_PACKET_CONFIGURATION_BITS_SIZE                              4
 110 #define VC4_PACKET_FLAT_SHADE_FLAGS_SIZE                                5
 111 #define VC4_PACKET_POINT_SIZE_SIZE                                      5
 112 #define VC4_PACKET_LINE_WIDTH_SIZE                                      5
 113 #define VC4_PACKET_RHT_X_BOUNDARY_SIZE                                  3
 114 #define VC4_PACKET_DEPTH_OFFSET_SIZE                                    5
 115 #define VC4_PACKET_CLIP_WINDOW_SIZE                                     9
 116 #define VC4_PACKET_VIEWPORT_OFFSET_SIZE                                 5
 117 #define VC4_PACKET_Z_CLIPPING_SIZE                                      9
 118 #define VC4_PACKET_CLIPPER_XY_SCALING_SIZE                              9
 119 #define VC4_PACKET_CLIPPER_Z_SCALING_SIZE                               9
 120 #define VC4_PACKET_TILE_BINNING_MODE_CONFIG_SIZE                        16
 121 #define VC4_PACKET_TILE_RENDERING_MODE_CONFIG_SIZE                      11
 122 #define VC4_PACKET_CLEAR_COLORS_SIZE                                    14
 123 #define VC4_PACKET_TILE_COORDINATES_SIZE                                3
 124 #define VC4_PACKET_GEM_HANDLES_SIZE                                     9
 125
 126 #define VC4_MASK(high, low) (((1 << ((high) - (low) + 1)) - 1) << (low))
 127 /* Using the GNU statement expression extension */
 128 #define VC4_SET_FIELD(value, field)                                       \
 129         ({                                                                \
 130                 uint32_t fieldval = (value) << field ## _SHIFT;           \
 131                 assert((fieldval & ~ field ## _MASK) == 0);               \
 132                 fieldval & field ## _MASK;                                \
 133          })
 134
 135 #define VC4_GET_FIELD(word, field) (((word)  & field ## _MASK) >> field ## _SHIFT)
 136
 137 /** @{
 138  * Bits used by packets like VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
 139  * VC4_PACKET_TILE_RENDERING_MODE_CONFIG.
 140 */
 141 #define VC4_TILING_FORMAT_LINEAR    0
 142 #define VC4_TILING_FORMAT_T         1
 143 #define VC4_TILING_FORMAT_LT        2
 144 /** @} */
 145
 146 /** @{
 147  *
 148  * low bits of VC4_PACKET_STORE_FULL_RES_TILE_BUFFER and
 149  * VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER.
 150  */
 151 #define VC4_LOADSTORE_FULL_RES_EOF                     (1 << 3)
 152 #define VC4_LOADSTORE_FULL_RES_DISABLE_CLEAR_ALL       (1 << 2)
 153 #define VC4_LOADSTORE_FULL_RES_DISABLE_ZS              (1 << 1)
 154 #define VC4_LOADSTORE_FULL_RES_DISABLE_COLOR           (1 << 0)
 155
 156 /** @{
 157  *
 158  * byte 2 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
 159  * VC4_PACKET_LOAD_TILE_BUFFER_GENERAL (low bits of the address)
 160  */
 161
 162 #define VC4_LOADSTORE_TILE_BUFFER_EOF                  (1 << 3)
 163 #define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_VG_MASK (1 << 2)
 164 #define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_ZS      (1 << 1)
 165 #define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_COLOR   (1 << 0)
 166
 167 /** @} */
 168
 169 /** @{
 170  *
 171  * byte 0-1 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
 172  * VC4_PACKET_LOAD_TILE_BUFFER_GENERAL
 173  */
 174 #define VC4_STORE_TILE_BUFFER_DISABLE_VG_MASK_CLEAR (1 << 15)
 175 #define VC4_STORE_TILE_BUFFER_DISABLE_ZS_CLEAR     (1 << 14)
 176 #define VC4_STORE_TILE_BUFFER_DISABLE_COLOR_CLEAR  (1 << 13)
 177 #define VC4_STORE_TILE_BUFFER_DISABLE_SWAP         (1 << 12)
 178
 179 #define VC4_LOADSTORE_TILE_BUFFER_FORMAT_MASK      VC4_MASK(9, 8)
 180 #define VC4_LOADSTORE_TILE_BUFFER_FORMAT_SHIFT     8
 181 #define VC4_LOADSTORE_TILE_BUFFER_RGBA8888         0
 182 #define VC4_LOADSTORE_TILE_BUFFER_BGR565_DITHER    1
 183 #define VC4_LOADSTORE_TILE_BUFFER_BGR565           2
 184 /** @} */
 185
 186 /** @{
 187  *
 188  * byte 0 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
 189  * VC4_PACKET_LOAD_TILE_BUFFER_GENERAL
 190  */
 191 #define VC4_STORE_TILE_BUFFER_MODE_MASK            VC4_MASK(7, 6)
 192 #define VC4_STORE_TILE_BUFFER_MODE_SHIFT           6
 193 #define VC4_STORE_TILE_BUFFER_MODE_SAMPLE0         (0 << 6)
 194 #define VC4_STORE_TILE_BUFFER_MODE_DECIMATE_X4     (1 << 6)
 195 #define VC4_STORE_TILE_BUFFER_MODE_DECIMATE_X16    (2 << 6)
 196
 197 /** The values of the field are VC4_TILING_FORMAT_* */
 198 #define VC4_LOADSTORE_TILE_BUFFER_TILING_MASK      VC4_MASK(5, 4)
 199 #define VC4_LOADSTORE_TILE_BUFFER_TILING_SHIFT     4
 200
 201 #define VC4_LOADSTORE_TILE_BUFFER_BUFFER_MASK      VC4_MASK(2, 0)
 202 #define VC4_LOADSTORE_TILE_BUFFER_BUFFER_SHIFT     0
 203 #define VC4_LOADSTORE_TILE_BUFFER_NONE             0
 204 #define VC4_LOADSTORE_TILE_BUFFER_COLOR            1
 205 #define VC4_LOADSTORE_TILE_BUFFER_ZS               2
 206 #define VC4_LOADSTORE_TILE_BUFFER_Z                3
 207 #define VC4_LOADSTORE_TILE_BUFFER_VG_MASK          4
 208 #define VC4_LOADSTORE_TILE_BUFFER_FULL             5
 209 /** @} */
 210
 211 #define VC4_INDEX_BUFFER_U8                        (0 << 4)
 212 #define VC4_INDEX_BUFFER_U16                       (1 << 4)
 213
 214 /* This flag is only present in NV shader state. */
 215 #define VC4_SHADER_FLAG_SHADED_CLIP_COORDS         (1 << 3)
 216 #define VC4_SHADER_FLAG_ENABLE_CLIPPING            (1 << 2)
 217 #define VC4_SHADER_FLAG_VS_POINT_SIZE              (1 << 1)
 218 #define VC4_SHADER_FLAG_FS_SINGLE_THREAD           (1 << 0)
 219
 220 /** @{ byte 2 of config bits. */
 221 #define VC4_CONFIG_BITS_EARLY_Z_UPDATE             (1 << 1)
 222 #define VC4_CONFIG_BITS_EARLY_Z                    (1 << 0)
 223 /** @} */
 224
 225 /** @{ byte 1 of config bits. */
 226 #define VC4_CONFIG_BITS_Z_UPDATE                   (1 << 7)
 227 /** same values in this 3-bit field as PIPE_FUNC_* */
 228 #define VC4_CONFIG_BITS_DEPTH_FUNC_SHIFT           4
 229 #define VC4_CONFIG_BITS_COVERAGE_READ_LEAVE        (1 << 3)
 230
 231 #define VC4_CONFIG_BITS_COVERAGE_UPDATE_NONZERO    (0 << 1)
 232 #define VC4_CONFIG_BITS_COVERAGE_UPDATE_ODD        (1 << 1)
 233 #define VC4_CONFIG_BITS_COVERAGE_UPDATE_OR         (2 << 1)
 234 #define VC4_CONFIG_BITS_COVERAGE_UPDATE_ZERO       (3 << 1)
 235
 236 #define VC4_CONFIG_BITS_COVERAGE_PIPE_SELECT       (1 << 0)
 237 /** @} */
 238
 239 /** @{ byte 0 of config bits. */
 240 #define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_NONE (0 << 6)
 241 #define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_4X   (1 << 6)
 242 #define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_16X  (2 << 6)
 243 #define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_MASK (3 << 6)
 244
 245 #define VC4_CONFIG_BITS_AA_POINTS_AND_LINES        (1 << 4)
 246 #define VC4_CONFIG_BITS_ENABLE_DEPTH_OFFSET        (1 << 3)
 247 #define VC4_CONFIG_BITS_CW_PRIMITIVES              (1 << 2)
 248 #define VC4_CONFIG_BITS_ENABLE_PRIM_BACK           (1 << 1)
 249 #define VC4_CONFIG_BITS_ENABLE_PRIM_FRONT          (1 << 0)
 250 /** @} */
 251
 252 /** @{ bits in the last u8 of VC4_PACKET_TILE_BINNING_MODE_CONFIG */
 253 #define VC4_BIN_CONFIG_DB_NON_MS                   (1 << 7)
 254
 255 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_MASK       VC4_MASK(6, 5)
 256 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_SHIFT      5
 257 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_32         0
 258 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_64         1
 259 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_128        2
 260 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_256        3
 261
 262 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_MASK  VC4_MASK(4, 3)
 263 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_SHIFT 3
 264 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_32    0
 265 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_64    1
 266 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_128   2
 267 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_256   3
 268
 269 #define VC4_BIN_CONFIG_AUTO_INIT_TSDA              (1 << 2)
 270 #define VC4_BIN_CONFIG_TILE_BUFFER_64BIT           (1 << 1)
 271 #define VC4_BIN_CONFIG_MS_MODE_4X                  (1 << 0)
 272 /** @} */
 273
 274 /** @{ bits in the last u16 of VC4_PACKET_TILE_RENDERING_MODE_CONFIG */
 275 #define VC4_RENDER_CONFIG_DB_NON_MS                (1 << 12)
 276 #define VC4_RENDER_CONFIG_EARLY_Z_COVERAGE_DISABLE (1 << 11)
 277 #define VC4_RENDER_CONFIG_EARLY_Z_DIRECTION_G      (1 << 10)
 278 #define VC4_RENDER_CONFIG_COVERAGE_MODE            (1 << 9)
 279 #define VC4_RENDER_CONFIG_ENABLE_VG_MASK           (1 << 8)
 280
 281 /** The values of the field are VC4_TILING_FORMAT_* */
 282 #define VC4_RENDER_CONFIG_MEMORY_FORMAT_MASK       VC4_MASK(7, 6)
 283 #define VC4_RENDER_CONFIG_MEMORY_FORMAT_SHIFT      6
 284
 285 #define VC4_RENDER_CONFIG_DECIMATE_MODE_1X         (0 << 4)
 286 #define VC4_RENDER_CONFIG_DECIMATE_MODE_4X         (1 << 4)
 287 #define VC4_RENDER_CONFIG_DECIMATE_MODE_16X        (2 << 4)
 288 #define VC4_RENDER_CONFIG_DECIMATE_MODE_MASK       (3 << 4)
 289
 290 #define VC4_RENDER_CONFIG_FORMAT_MASK              VC4_MASK(3, 2)
 291 #define VC4_RENDER_CONFIG_FORMAT_SHIFT             2
 292 #define VC4_RENDER_CONFIG_FORMAT_BGR565_DITHERED   0
 293 #define VC4_RENDER_CONFIG_FORMAT_RGBA8888          1
 294 #define VC4_RENDER_CONFIG_FORMAT_BGR565            2
 295
 296 #define VC4_RENDER_CONFIG_TILE_BUFFER_64BIT        (1 << 1)
 297 #define VC4_RENDER_CONFIG_MS_MODE_4X               (1 << 0)
 298
 299 #define VC4_PRIMITIVE_LIST_FORMAT_16_INDEX         (1 << 4)
 300 #define VC4_PRIMITIVE_LIST_FORMAT_32_XY            (3 << 4)
 301 #define VC4_PRIMITIVE_LIST_FORMAT_TYPE_POINTS      (0 << 0)
 302 #define VC4_PRIMITIVE_LIST_FORMAT_TYPE_LINES       (1 << 0)
 303 #define VC4_PRIMITIVE_LIST_FORMAT_TYPE_TRIANGLES   (2 << 0)
 304 #define VC4_PRIMITIVE_LIST_FORMAT_TYPE_RHT         (3 << 0)
 305
 306 enum vc4_texture_data_type {
 307         VC4_TEXTURE_TYPE_RGBA8888 = 0,
 308         VC4_TEXTURE_TYPE_RGBX8888 = 1,
 309         VC4_TEXTURE_TYPE_RGBA4444 = 2,
 310         VC4_TEXTURE_TYPE_RGBA5551 = 3,
 311         VC4_TEXTURE_TYPE_RGB565 = 4,
 312         VC4_TEXTURE_TYPE_LUMINANCE = 5,
 313         VC4_TEXTURE_TYPE_ALPHA = 6,
 314         VC4_TEXTURE_TYPE_LUMALPHA = 7,
 315         VC4_TEXTURE_TYPE_ETC1 = 8,
 316         VC4_TEXTURE_TYPE_S16F = 9,
 317         VC4_TEXTURE_TYPE_S8 = 10,
 318         VC4_TEXTURE_TYPE_S16 = 11,
 319         VC4_TEXTURE_TYPE_BW1 = 12,
 320         VC4_TEXTURE_TYPE_A4 = 13,
 321         VC4_TEXTURE_TYPE_A1 = 14,
 322         VC4_TEXTURE_TYPE_RGBA64 = 15,
 323         VC4_TEXTURE_TYPE_RGBA32R = 16,
 324         VC4_TEXTURE_TYPE_YUV422R = 17,
 325 };
 326
 327 #define VC4_TEX_P0_OFFSET_MASK                     VC4_MASK(31, 12)
 328 #define VC4_TEX_P0_OFFSET_SHIFT                    12
 329 #define VC4_TEX_P0_CSWIZ_MASK                      VC4_MASK(11, 10)
 330 #define VC4_TEX_P0_CSWIZ_SHIFT                     10
 331 #define VC4_TEX_P0_CMMODE_MASK                     VC4_MASK(9, 9)
 332 #define VC4_TEX_P0_CMMODE_SHIFT                    9
 333 #define VC4_TEX_P0_FLIPY_MASK                      VC4_MASK(8, 8)
 334 #define VC4_TEX_P0_FLIPY_SHIFT                     8
 335 #define VC4_TEX_P0_TYPE_MASK                       VC4_MASK(7, 4)
 336 #define VC4_TEX_P0_TYPE_SHIFT                      4
 337 #define VC4_TEX_P0_MIPLVLS_MASK                    VC4_MASK(3, 0)
 338 #define VC4_TEX_P0_MIPLVLS_SHIFT                   0
 339
 340 #define VC4_TEX_P1_TYPE4_MASK                      VC4_MASK(31, 31)
 341 #define VC4_TEX_P1_TYPE4_SHIFT                     31
 342 #define VC4_TEX_P1_HEIGHT_MASK                     VC4_MASK(30, 20)
 343 #define VC4_TEX_P1_HEIGHT_SHIFT                    20
 344 #define VC4_TEX_P1_ETCFLIP_MASK                    VC4_MASK(19, 19)
 345 #define VC4_TEX_P1_ETCFLIP_SHIFT                   19
 346 #define VC4_TEX_P1_WIDTH_MASK                      VC4_MASK(18, 8)
 347 #define VC4_TEX_P1_WIDTH_SHIFT                     8
 348
 349 #define VC4_TEX_P1_MAGFILT_MASK                    VC4_MASK(7, 7)
 350 #define VC4_TEX_P1_MAGFILT_SHIFT                   7
 351 # define VC4_TEX_P1_MAGFILT_LINEAR                 0
 352 # define VC4_TEX_P1_MAGFILT_NEAREST                1
 353
 354 #define VC4_TEX_P1_MINFILT_MASK                    VC4_MASK(6, 4)
 355 #define VC4_TEX_P1_MINFILT_SHIFT                   4
 356 # define VC4_TEX_P1_MINFILT_LINEAR                 0
 357 # define VC4_TEX_P1_MINFILT_NEAREST                1
 358 # define VC4_TEX_P1_MINFILT_NEAR_MIP_NEAR          2
 359 # define VC4_TEX_P1_MINFILT_NEAR_MIP_LIN           3
 360 # define VC4_TEX_P1_MINFILT_LIN_MIP_NEAR           4
 361 # define VC4_TEX_P1_MINFILT_LIN_MIP_LIN            5
 362
 363 #define VC4_TEX_P1_WRAP_T_MASK                     VC4_MASK(3, 2)
 364 #define VC4_TEX_P1_WRAP_T_SHIFT                    2
 365 #define VC4_TEX_P1_WRAP_S_MASK                     VC4_MASK(1, 0)
 366 #define VC4_TEX_P1_WRAP_S_SHIFT                    0
 367 # define VC4_TEX_P1_WRAP_REPEAT                    0
 368 # define VC4_TEX_P1_WRAP_CLAMP                     1
 369 # define VC4_TEX_P1_WRAP_MIRROR                    2
 370 # define VC4_TEX_P1_WRAP_BORDER                    3
 371
 372 #define VC4_TEX_P2_PTYPE_MASK                      VC4_MASK(31, 30)
 373 #define VC4_TEX_P2_PTYPE_SHIFT                     30
 374 # define VC4_TEX_P2_PTYPE_IGNORED                  0
 375 # define VC4_TEX_P2_PTYPE_CUBE_MAP_STRIDE          1
 376 # define VC4_TEX_P2_PTYPE_CHILD_IMAGE_DIMENSIONS   2
 377 # define VC4_TEX_P2_PTYPE_CHILD_IMAGE_OFFSETS      3
 378
 379 /* VC4_TEX_P2_PTYPE_CUBE_MAP_STRIDE bits */
 380 #define VC4_TEX_P2_CMST_MASK                       VC4_MASK(29, 12)
 381 #define VC4_TEX_P2_CMST_SHIFT                      12
 382 #define VC4_TEX_P2_BSLOD_MASK                      VC4_MASK(0, 0)
 383 #define VC4_TEX_P2_BSLOD_SHIFT                     0
 384
 385 /* VC4_TEX_P2_PTYPE_CHILD_IMAGE_DIMENSIONS */
 386 #define VC4_TEX_P2_CHEIGHT_MASK                    VC4_MASK(22, 12)
 387 #define VC4_TEX_P2_CHEIGHT_SHIFT                   12
 388 #define VC4_TEX_P2_CWIDTH_MASK                     VC4_MASK(10, 0)
 389 #define VC4_TEX_P2_CWIDTH_SHIFT                    0
 390
 391 /* VC4_TEX_P2_PTYPE_CHILD_IMAGE_OFFSETS */
 392 #define VC4_TEX_P2_CYOFF_MASK                      VC4_MASK(22, 12)
 393 #define VC4_TEX_P2_CYOFF_SHIFT                     12
 394 #define VC4_TEX_P2_CXOFF_MASK                      VC4_MASK(10, 0)
 395 #define VC4_TEX_P2_CXOFF_SHIFT                     0
 396
 397 #endif /* VC4_PACKET_H */