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_QPU_DEFINES_H 25 #define VC4_QPU_DEFINES_H 26 27 #include <assert.h> 28 #include <util/macros.h> 29 30 enum qpu_op_add { 31 QPU_A_NOP, 32 QPU_A_FADD, 33 QPU_A_FSUB, 34 QPU_A_FMIN, 35 QPU_A_FMAX, 36 QPU_A_FMINABS, 37 QPU_A_FMAXABS, 38 QPU_A_FTOI, 39 QPU_A_ITOF, 40 QPU_A_ADD = 12, 41 QPU_A_SUB, 42 QPU_A_SHR, 43 QPU_A_ASR, 44 QPU_A_ROR, 45 QPU_A_SHL, 46 QPU_A_MIN, 47 QPU_A_MAX, 48 QPU_A_AND, 49 QPU_A_OR, 50 QPU_A_XOR, 51 QPU_A_NOT, 52 QPU_A_CLZ, 53 QPU_A_V8ADDS = 30, 54 QPU_A_V8SUBS = 31, 55 }; 56 57 enum qpu_op_mul { 58 QPU_M_NOP, 59 QPU_M_FMUL, 60 QPU_M_MUL24, 61 QPU_M_V8MULD, 62 QPU_M_V8MIN, 63 QPU_M_V8MAX, 64 QPU_M_V8ADDS, 65 QPU_M_V8SUBS, 66 }; 67 68 enum qpu_raddr { 69 QPU_R_FRAG_PAYLOAD_ZW = 15, /* W for A file, Z for B file */ 70 /* 0-31 are the plain regfile a or b fields */ 71 QPU_R_UNIF = 32, 72 QPU_R_VARY = 35, 73 QPU_R_ELEM_QPU = 38, 74 QPU_R_NOP, 75 QPU_R_XY_PIXEL_COORD = 41, 76 QPU_R_MS_REV_FLAGS = 42, 77 QPU_R_VPM = 48, 78 QPU_R_VPM_LD_BUSY, 79 QPU_R_VPM_LD_WAIT, 80 QPU_R_MUTEX_ACQUIRE, 81 }; 82 83 enum qpu_waddr { 84 /* 0-31 are the plain regfile a or b fields */ 85 QPU_W_ACC0 = 32, /* aka r0 */ 86 QPU_W_ACC1, 87 QPU_W_ACC2, 88 QPU_W_ACC3, 89 QPU_W_TMU_NOSWAP, 90 QPU_W_ACC5, 91 QPU_W_HOST_INT, 92 QPU_W_NOP, 93 QPU_W_UNIFORMS_ADDRESS, 94 QPU_W_QUAD_XY, /* X for regfile a, Y for regfile b */ 95 QPU_W_MS_FLAGS = 42, 96 QPU_W_REV_FLAG = 42, 97 QPU_W_TLB_STENCIL_SETUP = 43, 98 QPU_W_TLB_Z, 99 QPU_W_TLB_COLOR_MS, 100 QPU_W_TLB_COLOR_ALL, 101 QPU_W_TLB_ALPHA_MASK, 102 QPU_W_VPM, 103 QPU_W_VPMVCD_SETUP, /* LD for regfile a, ST for regfile b */ 104 QPU_W_VPM_ADDR, /* LD for regfile a, ST for regfile b */ 105 QPU_W_MUTEX_RELEASE, 106 QPU_W_SFU_RECIP, 107 QPU_W_SFU_RECIPSQRT, 108 QPU_W_SFU_EXP, 109 QPU_W_SFU_LOG, 110 QPU_W_TMU0_S, 111 QPU_W_TMU0_T, 112 QPU_W_TMU0_R, 113 QPU_W_TMU0_B, 114 QPU_W_TMU1_S, 115 QPU_W_TMU1_T, 116 QPU_W_TMU1_R, 117 QPU_W_TMU1_B, 118 }; 119 120 enum qpu_sig_bits { 121 QPU_SIG_SW_BREAKPOINT, 122 QPU_SIG_NONE, 123 QPU_SIG_THREAD_SWITCH, 124 QPU_SIG_PROG_END, 125 QPU_SIG_WAIT_FOR_SCOREBOARD, 126 QPU_SIG_SCOREBOARD_UNLOCK, 127 QPU_SIG_LAST_THREAD_SWITCH, 128 QPU_SIG_COVERAGE_LOAD, 129 QPU_SIG_COLOR_LOAD, 130 QPU_SIG_COLOR_LOAD_END, 131 QPU_SIG_LOAD_TMU0, 132 QPU_SIG_LOAD_TMU1, 133 QPU_SIG_ALPHA_MASK_LOAD, 134 QPU_SIG_SMALL_IMM, 135 QPU_SIG_LOAD_IMM, 136 QPU_SIG_BRANCH 137 }; 138 139 enum qpu_mux { 140 /* hardware mux values */ 141 QPU_MUX_R0, 142 QPU_MUX_R1, 143 QPU_MUX_R2, 144 QPU_MUX_R3, 145 QPU_MUX_R4, 146 QPU_MUX_R5, 147 QPU_MUX_A, 148 QPU_MUX_B, 149 150 /** 151 * Non-hardware mux value, stores a small immediate field to be 152 * programmed into raddr_b in the qpu_reg.index. 153 */ 154 QPU_MUX_SMALL_IMM, 155 }; 156 157 enum qpu_cond { 158 QPU_COND_NEVER, 159 QPU_COND_ALWAYS, 160 QPU_COND_ZS, 161 QPU_COND_ZC, 162 QPU_COND_NS, 163 QPU_COND_NC, 164 QPU_COND_CS, 165 QPU_COND_CC, 166 }; 167 168 enum qpu_branch_cond { 169 QPU_COND_BRANCH_ALL_ZS, 170 QPU_COND_BRANCH_ALL_ZC, 171 QPU_COND_BRANCH_ANY_ZS, 172 QPU_COND_BRANCH_ANY_ZC, 173 QPU_COND_BRANCH_ALL_NS, 174 QPU_COND_BRANCH_ALL_NC, 175 QPU_COND_BRANCH_ANY_NS, 176 QPU_COND_BRANCH_ANY_NC, 177 QPU_COND_BRANCH_ALL_CS, 178 QPU_COND_BRANCH_ALL_CC, 179 QPU_COND_BRANCH_ANY_CS, 180 QPU_COND_BRANCH_ANY_CC, 181 182 QPU_COND_BRANCH_ALWAYS = 15 183 }; 184 185 enum qpu_pack_mul { 186 QPU_PACK_MUL_NOP, 187 QPU_PACK_MUL_8888 = 3, /* replicated to each 8 bits of the 32-bit dst. */ 188 QPU_PACK_MUL_8A, 189 QPU_PACK_MUL_8B, 190 QPU_PACK_MUL_8C, 191 QPU_PACK_MUL_8D, 192 }; 193 194 enum qpu_pack_a { 195 QPU_PACK_A_NOP, 196 /* convert to 16 bit float if float input, or to int16. */ 197 QPU_PACK_A_16A, 198 QPU_PACK_A_16B, 199 /* replicated to each 8 bits of the 32-bit dst. */ 200 QPU_PACK_A_8888, 201 /* Convert to 8-bit unsigned int. */ 202 QPU_PACK_A_8A, 203 QPU_PACK_A_8B, 204 QPU_PACK_A_8C, 205 QPU_PACK_A_8D, 206 207 /* Saturating variants of the previous instructions. */ 208 QPU_PACK_A_32_SAT, /* int-only */ 209 QPU_PACK_A_16A_SAT, /* int or float */ 210 QPU_PACK_A_16B_SAT, 211 QPU_PACK_A_8888_SAT, 212 QPU_PACK_A_8A_SAT, 213 QPU_PACK_A_8B_SAT, 214 QPU_PACK_A_8C_SAT, 215 QPU_PACK_A_8D_SAT, 216 }; 217 218 enum qpu_unpack { 219 QPU_UNPACK_NOP, 220 QPU_UNPACK_16A, 221 QPU_UNPACK_16B, 222 QPU_UNPACK_8D_REP, 223 QPU_UNPACK_8A, 224 QPU_UNPACK_8B, 225 QPU_UNPACK_8C, 226 QPU_UNPACK_8D, 227 }; 228 229 #define QPU_MASK(high, low) ((((uint64_t)1<<((high)-(low)+1))-1)<<(low)) 230 /* Using the GNU statement expression extension */ 231 #define QPU_SET_FIELD(value, field) \ 232 ({ \ 233 uint64_t fieldval = (uint64_t)(value) << field ## _SHIFT; \ 234 assert((fieldval & ~ field ## _MASK) == 0); \ 235 fieldval & field ## _MASK; \ 236 }) 237 238 #define QPU_GET_FIELD(word, field) ((uint32_t)(((word) & field ## _MASK) >> field ## _SHIFT)) 239 240 #define QPU_UPDATE_FIELD(inst, value, field) \ 241 (((inst) & ~(field ## _MASK)) | QPU_SET_FIELD(value, field)) 242 243 #define QPU_SIG_SHIFT 60 244 #define QPU_SIG_MASK QPU_MASK(63, 60) 245 246 #define QPU_UNPACK_SHIFT 57 247 #define QPU_UNPACK_MASK QPU_MASK(59, 57) 248 249 #define QPU_LOAD_IMM_MODE_SHIFT 57 250 #define QPU_LOAD_IMM_MODE_MASK QPU_MASK(59, 57) 251 # define QPU_LOAD_IMM_MODE_U32 0 252 # define QPU_LOAD_IMM_MODE_I2 1 253 # define QPU_LOAD_IMM_MODE_U2 3 254 255 /** 256 * If set, the pack field means PACK_MUL or R4 packing, instead of normal 257 * regfile a packing. 258 */ 259 #define QPU_PM ((uint64_t)1 << 56) 260 261 #define QPU_PACK_SHIFT 52 262 #define QPU_PACK_MASK QPU_MASK(55, 52) 263 264 #define QPU_COND_ADD_SHIFT 49 265 #define QPU_COND_ADD_MASK QPU_MASK(51, 49) 266 #define QPU_COND_MUL_SHIFT 46 267 #define QPU_COND_MUL_MASK QPU_MASK(48, 46) 268 269 270 #define QPU_BRANCH_COND_SHIFT 52 271 #define QPU_BRANCH_COND_MASK QPU_MASK(55, 52) 272 273 #define QPU_BRANCH_REL ((uint64_t)1 << 51) 274 #define QPU_BRANCH_REG ((uint64_t)1 << 50) 275 276 #define QPU_BRANCH_RADDR_A_SHIFT 45 277 #define QPU_BRANCH_RADDR_A_MASK QPU_MASK(49, 45) 278 279 #define QPU_SF ((uint64_t)1 << 45) 280 281 #define QPU_WADDR_ADD_SHIFT 38 282 #define QPU_WADDR_ADD_MASK QPU_MASK(43, 38) 283 #define QPU_WADDR_MUL_SHIFT 32 284 #define QPU_WADDR_MUL_MASK QPU_MASK(37, 32) 285 286 #define QPU_OP_MUL_SHIFT 29 287 #define QPU_OP_MUL_MASK QPU_MASK(31, 29) 288 289 #define QPU_RADDR_A_SHIFT 18 290 #define QPU_RADDR_A_MASK QPU_MASK(23, 18) 291 #define QPU_RADDR_B_SHIFT 12 292 #define QPU_RADDR_B_MASK QPU_MASK(17, 12) 293 #define QPU_SMALL_IMM_SHIFT 12 294 #define QPU_SMALL_IMM_MASK QPU_MASK(17, 12) 295 /* Small immediate value for rotate-by-r5, and 49-63 are "rotate by n 296 * channels" 297 */ 298 #define QPU_SMALL_IMM_MUL_ROT 48 299 300 #define QPU_ADD_A_SHIFT 9 301 #define QPU_ADD_A_MASK QPU_MASK(11, 9) 302 #define QPU_ADD_B_SHIFT 6 303 #define QPU_ADD_B_MASK QPU_MASK(8, 6) 304 #define QPU_MUL_A_SHIFT 3 305 #define QPU_MUL_A_MASK QPU_MASK(5, 3) 306 #define QPU_MUL_B_SHIFT 0 307 #define QPU_MUL_B_MASK QPU_MASK(2, 0) 308 309 #define QPU_WS ((uint64_t)1 << 44) 310 311 #define QPU_OP_ADD_SHIFT 24 312 #define QPU_OP_ADD_MASK QPU_MASK(28, 24) 313 314 #define QPU_LOAD_IMM_SHIFT 0 315 #define QPU_LOAD_IMM_MASK QPU_MASK(31, 0) 316 317 #define QPU_BRANCH_TARGET_SHIFT 0 318 #define QPU_BRANCH_TARGET_MASK QPU_MASK(31, 0) 319 320 #endif /* VC4_QPU_DEFINES_H */ 321