Eric Anholt | 3c717f6 | 2016-01-25 10:16:56 -0800 | [diff] [blame] | 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 | enum qpu_op_add { |
| 28 | QPU_A_NOP, |
| 29 | QPU_A_FADD, |
| 30 | QPU_A_FSUB, |
| 31 | QPU_A_FMIN, |
| 32 | QPU_A_FMAX, |
| 33 | QPU_A_FMINABS, |
| 34 | QPU_A_FMAXABS, |
| 35 | QPU_A_FTOI, |
| 36 | QPU_A_ITOF, |
| 37 | QPU_A_ADD = 12, |
| 38 | QPU_A_SUB, |
| 39 | QPU_A_SHR, |
| 40 | QPU_A_ASR, |
| 41 | QPU_A_ROR, |
| 42 | QPU_A_SHL, |
| 43 | QPU_A_MIN, |
| 44 | QPU_A_MAX, |
| 45 | QPU_A_AND, |
| 46 | QPU_A_OR, |
| 47 | QPU_A_XOR, |
| 48 | QPU_A_NOT, |
| 49 | QPU_A_CLZ, |
| 50 | QPU_A_V8ADDS = 30, |
| 51 | QPU_A_V8SUBS = 31, |
| 52 | }; |
| 53 | |
| 54 | enum qpu_op_mul { |
| 55 | QPU_M_NOP, |
| 56 | QPU_M_FMUL, |
| 57 | QPU_M_MUL24, |
| 58 | QPU_M_V8MULD, |
| 59 | QPU_M_V8MIN, |
| 60 | QPU_M_V8MAX, |
| 61 | QPU_M_V8ADDS, |
| 62 | QPU_M_V8SUBS, |
| 63 | }; |
| 64 | |
| 65 | enum qpu_raddr { |
| 66 | QPU_R_FRAG_PAYLOAD_ZW = 15, /* W for A file, Z for B file */ |
| 67 | /* 0-31 are the plain regfile a or b fields */ |
| 68 | QPU_R_UNIF = 32, |
| 69 | QPU_R_VARY = 35, |
| 70 | QPU_R_ELEM_QPU = 38, |
| 71 | QPU_R_NOP, |
| 72 | QPU_R_XY_PIXEL_COORD = 41, |
| 73 | QPU_R_MS_REV_FLAGS = 42, |
| 74 | QPU_R_VPM = 48, |
| 75 | QPU_R_VPM_LD_BUSY, |
| 76 | QPU_R_VPM_LD_WAIT, |
| 77 | QPU_R_MUTEX_ACQUIRE, |
| 78 | }; |
| 79 | |
| 80 | enum qpu_waddr { |
| 81 | /* 0-31 are the plain regfile a or b fields */ |
| 82 | QPU_W_ACC0 = 32, /* aka r0 */ |
| 83 | QPU_W_ACC1, |
| 84 | QPU_W_ACC2, |
| 85 | QPU_W_ACC3, |
| 86 | QPU_W_TMU_NOSWAP, |
| 87 | QPU_W_ACC5, |
| 88 | QPU_W_HOST_INT, |
| 89 | QPU_W_NOP, |
| 90 | QPU_W_UNIFORMS_ADDRESS, |
| 91 | QPU_W_QUAD_XY, /* X for regfile a, Y for regfile b */ |
| 92 | QPU_W_MS_FLAGS = 42, |
| 93 | QPU_W_REV_FLAG = 42, |
| 94 | QPU_W_TLB_STENCIL_SETUP = 43, |
| 95 | QPU_W_TLB_Z, |
| 96 | QPU_W_TLB_COLOR_MS, |
| 97 | QPU_W_TLB_COLOR_ALL, |
| 98 | QPU_W_TLB_ALPHA_MASK, |
| 99 | QPU_W_VPM, |
| 100 | QPU_W_VPMVCD_SETUP, /* LD for regfile a, ST for regfile b */ |
| 101 | QPU_W_VPM_ADDR, /* LD for regfile a, ST for regfile b */ |
| 102 | QPU_W_MUTEX_RELEASE, |
| 103 | QPU_W_SFU_RECIP, |
| 104 | QPU_W_SFU_RECIPSQRT, |
| 105 | QPU_W_SFU_EXP, |
| 106 | QPU_W_SFU_LOG, |
| 107 | QPU_W_TMU0_S, |
| 108 | QPU_W_TMU0_T, |
| 109 | QPU_W_TMU0_R, |
| 110 | QPU_W_TMU0_B, |
| 111 | QPU_W_TMU1_S, |
| 112 | QPU_W_TMU1_T, |
| 113 | QPU_W_TMU1_R, |
| 114 | QPU_W_TMU1_B, |
| 115 | }; |
| 116 | |
| 117 | enum qpu_sig_bits { |
| 118 | QPU_SIG_SW_BREAKPOINT, |
| 119 | QPU_SIG_NONE, |
| 120 | QPU_SIG_THREAD_SWITCH, |
| 121 | QPU_SIG_PROG_END, |
| 122 | QPU_SIG_WAIT_FOR_SCOREBOARD, |
| 123 | QPU_SIG_SCOREBOARD_UNLOCK, |
| 124 | QPU_SIG_LAST_THREAD_SWITCH, |
| 125 | QPU_SIG_COVERAGE_LOAD, |
| 126 | QPU_SIG_COLOR_LOAD, |
| 127 | QPU_SIG_COLOR_LOAD_END, |
| 128 | QPU_SIG_LOAD_TMU0, |
| 129 | QPU_SIG_LOAD_TMU1, |
| 130 | QPU_SIG_ALPHA_MASK_LOAD, |
| 131 | QPU_SIG_SMALL_IMM, |
| 132 | QPU_SIG_LOAD_IMM, |
| 133 | QPU_SIG_BRANCH |
| 134 | }; |
| 135 | |
| 136 | enum qpu_mux { |
| 137 | /* hardware mux values */ |
| 138 | QPU_MUX_R0, |
| 139 | QPU_MUX_R1, |
| 140 | QPU_MUX_R2, |
| 141 | QPU_MUX_R3, |
| 142 | QPU_MUX_R4, |
| 143 | QPU_MUX_R5, |
| 144 | QPU_MUX_A, |
| 145 | QPU_MUX_B, |
| 146 | |
| 147 | /** |
| 148 | * Non-hardware mux value, stores a small immediate field to be |
| 149 | * programmed into raddr_b in the qpu_reg.index. |
| 150 | */ |
| 151 | QPU_MUX_SMALL_IMM, |
| 152 | }; |
| 153 | |
| 154 | enum qpu_cond { |
| 155 | QPU_COND_NEVER, |
| 156 | QPU_COND_ALWAYS, |
| 157 | QPU_COND_ZS, |
| 158 | QPU_COND_ZC, |
| 159 | QPU_COND_NS, |
| 160 | QPU_COND_NC, |
| 161 | QPU_COND_CS, |
| 162 | QPU_COND_CC, |
| 163 | }; |
| 164 | |
| 165 | enum qpu_pack_mul { |
| 166 | QPU_PACK_MUL_NOP, |
| 167 | QPU_PACK_MUL_8888 = 3, /* replicated to each 8 bits of the 32-bit dst. */ |
| 168 | QPU_PACK_MUL_8A, |
| 169 | QPU_PACK_MUL_8B, |
| 170 | QPU_PACK_MUL_8C, |
| 171 | QPU_PACK_MUL_8D, |
| 172 | }; |
| 173 | |
| 174 | enum qpu_pack_a { |
| 175 | QPU_PACK_A_NOP, |
| 176 | /* convert to 16 bit float if float input, or to int16. */ |
| 177 | QPU_PACK_A_16A, |
| 178 | QPU_PACK_A_16B, |
| 179 | /* replicated to each 8 bits of the 32-bit dst. */ |
| 180 | QPU_PACK_A_8888, |
| 181 | /* Convert to 8-bit unsigned int. */ |
| 182 | QPU_PACK_A_8A, |
| 183 | QPU_PACK_A_8B, |
| 184 | QPU_PACK_A_8C, |
| 185 | QPU_PACK_A_8D, |
| 186 | |
| 187 | /* Saturating variants of the previous instructions. */ |
| 188 | QPU_PACK_A_32_SAT, /* int-only */ |
| 189 | QPU_PACK_A_16A_SAT, /* int or float */ |
| 190 | QPU_PACK_A_16B_SAT, |
| 191 | QPU_PACK_A_8888_SAT, |
| 192 | QPU_PACK_A_8A_SAT, |
| 193 | QPU_PACK_A_8B_SAT, |
| 194 | QPU_PACK_A_8C_SAT, |
| 195 | QPU_PACK_A_8D_SAT, |
| 196 | }; |
| 197 | |
| 198 | enum qpu_unpack { |
| 199 | QPU_UNPACK_NOP, |
| 200 | QPU_UNPACK_16A, |
| 201 | QPU_UNPACK_16B, |
| 202 | QPU_UNPACK_8D_REP, |
| 203 | QPU_UNPACK_8A, |
| 204 | QPU_UNPACK_8B, |
| 205 | QPU_UNPACK_8C, |
| 206 | QPU_UNPACK_8D, |
| 207 | }; |
| 208 | |
| 209 | #define QPU_MASK(high, low) ((((uint64_t)1<<((high)-(low)+1))-1)<<(low)) |
| 210 | /* Using the GNU statement expression extension */ |
| 211 | #define QPU_SET_FIELD(value, field) \ |
| 212 | ({ \ |
| 213 | uint64_t fieldval = (uint64_t)(value) << field ## _SHIFT; \ |
| 214 | assert((fieldval & ~ field ## _MASK) == 0); \ |
| 215 | fieldval & field ## _MASK; \ |
| 216 | }) |
| 217 | |
| 218 | #define QPU_GET_FIELD(word, field) ((uint32_t)(((word) & field ## _MASK) >> field ## _SHIFT)) |
| 219 | |
| 220 | #define QPU_UPDATE_FIELD(inst, value, field) \ |
| 221 | (((inst) & ~(field ## _MASK)) | QPU_SET_FIELD(value, field)) |
| 222 | |
| 223 | #define QPU_SIG_SHIFT 60 |
| 224 | #define QPU_SIG_MASK QPU_MASK(63, 60) |
| 225 | |
| 226 | #define QPU_UNPACK_SHIFT 57 |
| 227 | #define QPU_UNPACK_MASK QPU_MASK(59, 57) |
| 228 | |
| 229 | /** |
| 230 | * If set, the pack field means PACK_MUL or R4 packing, instead of normal |
| 231 | * regfile a packing. |
| 232 | */ |
| 233 | #define QPU_PM ((uint64_t)1 << 56) |
| 234 | |
| 235 | #define QPU_PACK_SHIFT 52 |
| 236 | #define QPU_PACK_MASK QPU_MASK(55, 52) |
| 237 | |
| 238 | #define QPU_COND_ADD_SHIFT 49 |
| 239 | #define QPU_COND_ADD_MASK QPU_MASK(51, 49) |
| 240 | #define QPU_COND_MUL_SHIFT 46 |
| 241 | #define QPU_COND_MUL_MASK QPU_MASK(48, 46) |
| 242 | |
| 243 | #define QPU_SF ((uint64_t)1 << 45) |
| 244 | |
| 245 | #define QPU_WADDR_ADD_SHIFT 38 |
| 246 | #define QPU_WADDR_ADD_MASK QPU_MASK(43, 38) |
| 247 | #define QPU_WADDR_MUL_SHIFT 32 |
| 248 | #define QPU_WADDR_MUL_MASK QPU_MASK(37, 32) |
| 249 | |
| 250 | #define QPU_OP_MUL_SHIFT 29 |
| 251 | #define QPU_OP_MUL_MASK QPU_MASK(31, 29) |
| 252 | |
| 253 | #define QPU_RADDR_A_SHIFT 18 |
| 254 | #define QPU_RADDR_A_MASK QPU_MASK(23, 18) |
| 255 | #define QPU_RADDR_B_SHIFT 12 |
| 256 | #define QPU_RADDR_B_MASK QPU_MASK(17, 12) |
| 257 | #define QPU_SMALL_IMM_SHIFT 12 |
| 258 | #define QPU_SMALL_IMM_MASK QPU_MASK(17, 12) |
| 259 | |
| 260 | #define QPU_ADD_A_SHIFT 9 |
| 261 | #define QPU_ADD_A_MASK QPU_MASK(11, 9) |
| 262 | #define QPU_ADD_B_SHIFT 6 |
| 263 | #define QPU_ADD_B_MASK QPU_MASK(8, 6) |
| 264 | #define QPU_MUL_A_SHIFT 3 |
| 265 | #define QPU_MUL_A_MASK QPU_MASK(5, 3) |
| 266 | #define QPU_MUL_B_SHIFT 0 |
| 267 | #define QPU_MUL_B_MASK QPU_MASK(2, 0) |
| 268 | |
| 269 | #define QPU_WS ((uint64_t)1 << 44) |
| 270 | |
| 271 | #define QPU_OP_ADD_SHIFT 24 |
| 272 | #define QPU_OP_ADD_MASK QPU_MASK(28, 24) |
| 273 | |
| 274 | #endif /* VC4_QPU_DEFINES_H */ |