/* * 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_QPU_DEFINES_H #define VC4_QPU_DEFINES_H #include #include enum qpu_op_add { QPU_A_NOP, QPU_A_FADD, QPU_A_FSUB, QPU_A_FMIN, QPU_A_FMAX, QPU_A_FMINABS, QPU_A_FMAXABS, QPU_A_FTOI, QPU_A_ITOF, QPU_A_ADD = 12, QPU_A_SUB, QPU_A_SHR, QPU_A_ASR, QPU_A_ROR, QPU_A_SHL, QPU_A_MIN, QPU_A_MAX, QPU_A_AND, QPU_A_OR, QPU_A_XOR, QPU_A_NOT, QPU_A_CLZ, QPU_A_V8ADDS = 30, QPU_A_V8SUBS = 31, }; enum qpu_op_mul { QPU_M_NOP, QPU_M_FMUL, QPU_M_MUL24, QPU_M_V8MULD, QPU_M_V8MIN, QPU_M_V8MAX, QPU_M_V8ADDS, QPU_M_V8SUBS, }; enum qpu_raddr { QPU_R_FRAG_PAYLOAD_ZW = 15, /* W for A file, Z for B file */ /* 0-31 are the plain regfile a or b fields */ QPU_R_UNIF = 32, QPU_R_VARY = 35, QPU_R_ELEM_QPU = 38, QPU_R_NOP, QPU_R_XY_PIXEL_COORD = 41, QPU_R_MS_REV_FLAGS = 42, QPU_R_VPM = 48, QPU_R_VPM_LD_BUSY, QPU_R_VPM_LD_WAIT, QPU_R_MUTEX_ACQUIRE, }; enum qpu_waddr { /* 0-31 are the plain regfile a or b fields */ QPU_W_ACC0 = 32, /* aka r0 */ QPU_W_ACC1, QPU_W_ACC2, QPU_W_ACC3, QPU_W_TMU_NOSWAP, QPU_W_ACC5, QPU_W_HOST_INT, QPU_W_NOP, QPU_W_UNIFORMS_ADDRESS, QPU_W_QUAD_XY, /* X for regfile a, Y for regfile b */ QPU_W_MS_FLAGS = 42, QPU_W_REV_FLAG = 42, QPU_W_TLB_STENCIL_SETUP = 43, QPU_W_TLB_Z, QPU_W_TLB_COLOR_MS, QPU_W_TLB_COLOR_ALL, QPU_W_TLB_ALPHA_MASK, QPU_W_VPM, QPU_W_VPMVCD_SETUP, /* LD for regfile a, ST for regfile b */ QPU_W_VPM_ADDR, /* LD for regfile a, ST for regfile b */ QPU_W_MUTEX_RELEASE, QPU_W_SFU_RECIP, QPU_W_SFU_RECIPSQRT, QPU_W_SFU_EXP, QPU_W_SFU_LOG, QPU_W_TMU0_S, QPU_W_TMU0_T, QPU_W_TMU0_R, QPU_W_TMU0_B, QPU_W_TMU1_S, QPU_W_TMU1_T, QPU_W_TMU1_R, QPU_W_TMU1_B, }; enum qpu_sig_bits { QPU_SIG_SW_BREAKPOINT, QPU_SIG_NONE, QPU_SIG_THREAD_SWITCH, QPU_SIG_PROG_END, QPU_SIG_WAIT_FOR_SCOREBOARD, QPU_SIG_SCOREBOARD_UNLOCK, QPU_SIG_LAST_THREAD_SWITCH, QPU_SIG_COVERAGE_LOAD, QPU_SIG_COLOR_LOAD, QPU_SIG_COLOR_LOAD_END, QPU_SIG_LOAD_TMU0, QPU_SIG_LOAD_TMU1, QPU_SIG_ALPHA_MASK_LOAD, QPU_SIG_SMALL_IMM, QPU_SIG_LOAD_IMM, QPU_SIG_BRANCH }; enum qpu_mux { /* hardware mux values */ QPU_MUX_R0, QPU_MUX_R1, QPU_MUX_R2, QPU_MUX_R3, QPU_MUX_R4, QPU_MUX_R5, QPU_MUX_A, QPU_MUX_B, /** * Non-hardware mux value, stores a small immediate field to be * programmed into raddr_b in the qpu_reg.index. */ QPU_MUX_SMALL_IMM, }; enum qpu_cond { QPU_COND_NEVER, QPU_COND_ALWAYS, QPU_COND_ZS, QPU_COND_ZC, QPU_COND_NS, QPU_COND_NC, QPU_COND_CS, QPU_COND_CC, }; enum qpu_branch_cond { QPU_COND_BRANCH_ALL_ZS, QPU_COND_BRANCH_ALL_ZC, QPU_COND_BRANCH_ANY_ZS, QPU_COND_BRANCH_ANY_ZC, QPU_COND_BRANCH_ALL_NS, QPU_COND_BRANCH_ALL_NC, QPU_COND_BRANCH_ANY_NS, QPU_COND_BRANCH_ANY_NC, QPU_COND_BRANCH_ALL_CS, QPU_COND_BRANCH_ALL_CC, QPU_COND_BRANCH_ANY_CS, QPU_COND_BRANCH_ANY_CC, QPU_COND_BRANCH_ALWAYS = 15 }; enum qpu_pack_mul { QPU_PACK_MUL_NOP, QPU_PACK_MUL_8888 = 3, /* replicated to each 8 bits of the 32-bit dst. */ QPU_PACK_MUL_8A, QPU_PACK_MUL_8B, QPU_PACK_MUL_8C, QPU_PACK_MUL_8D, }; enum qpu_pack_a { QPU_PACK_A_NOP, /* convert to 16 bit float if float input, or to int16. */ QPU_PACK_A_16A, QPU_PACK_A_16B, /* replicated to each 8 bits of the 32-bit dst. */ QPU_PACK_A_8888, /* Convert to 8-bit unsigned int. */ QPU_PACK_A_8A, QPU_PACK_A_8B, QPU_PACK_A_8C, QPU_PACK_A_8D, /* Saturating variants of the previous instructions. */ QPU_PACK_A_32_SAT, /* int-only */ QPU_PACK_A_16A_SAT, /* int or float */ QPU_PACK_A_16B_SAT, QPU_PACK_A_8888_SAT, QPU_PACK_A_8A_SAT, QPU_PACK_A_8B_SAT, QPU_PACK_A_8C_SAT, QPU_PACK_A_8D_SAT, }; enum qpu_unpack { QPU_UNPACK_NOP, QPU_UNPACK_16A, QPU_UNPACK_16B, QPU_UNPACK_8D_REP, QPU_UNPACK_8A, QPU_UNPACK_8B, QPU_UNPACK_8C, QPU_UNPACK_8D, }; #define QPU_MASK(high, low) ((((uint64_t)1<<((high)-(low)+1))-1)<<(low)) /* Using the GNU statement expression extension */ #define QPU_SET_FIELD(value, field) \ ({ \ uint64_t fieldval = (uint64_t)(value) << field ## _SHIFT; \ assert((fieldval & ~ field ## _MASK) == 0); \ fieldval & field ## _MASK; \ }) #define QPU_GET_FIELD(word, field) ((uint32_t)(((word) & field ## _MASK) >> field ## _SHIFT)) #define QPU_UPDATE_FIELD(inst, value, field) \ (((inst) & ~(field ## _MASK)) | QPU_SET_FIELD(value, field)) #define QPU_SIG_SHIFT 60 #define QPU_SIG_MASK QPU_MASK(63, 60) #define QPU_UNPACK_SHIFT 57 #define QPU_UNPACK_MASK QPU_MASK(59, 57) #define QPU_LOAD_IMM_MODE_SHIFT 57 #define QPU_LOAD_IMM_MODE_MASK QPU_MASK(59, 57) # define QPU_LOAD_IMM_MODE_U32 0 # define QPU_LOAD_IMM_MODE_I2 1 # define QPU_LOAD_IMM_MODE_U2 3 /** * If set, the pack field means PACK_MUL or R4 packing, instead of normal * regfile a packing. */ #define QPU_PM ((uint64_t)1 << 56) #define QPU_PACK_SHIFT 52 #define QPU_PACK_MASK QPU_MASK(55, 52) #define QPU_COND_ADD_SHIFT 49 #define QPU_COND_ADD_MASK QPU_MASK(51, 49) #define QPU_COND_MUL_SHIFT 46 #define QPU_COND_MUL_MASK QPU_MASK(48, 46) #define QPU_BRANCH_COND_SHIFT 52 #define QPU_BRANCH_COND_MASK QPU_MASK(55, 52) #define QPU_BRANCH_REL ((uint64_t)1 << 51) #define QPU_BRANCH_REG ((uint64_t)1 << 50) #define QPU_BRANCH_RADDR_A_SHIFT 45 #define QPU_BRANCH_RADDR_A_MASK QPU_MASK(49, 45) #define QPU_SF ((uint64_t)1 << 45) #define QPU_WADDR_ADD_SHIFT 38 #define QPU_WADDR_ADD_MASK QPU_MASK(43, 38) #define QPU_WADDR_MUL_SHIFT 32 #define QPU_WADDR_MUL_MASK QPU_MASK(37, 32) #define QPU_OP_MUL_SHIFT 29 #define QPU_OP_MUL_MASK QPU_MASK(31, 29) #define QPU_RADDR_A_SHIFT 18 #define QPU_RADDR_A_MASK QPU_MASK(23, 18) #define QPU_RADDR_B_SHIFT 12 #define QPU_RADDR_B_MASK QPU_MASK(17, 12) #define QPU_SMALL_IMM_SHIFT 12 #define QPU_SMALL_IMM_MASK QPU_MASK(17, 12) /* Small immediate value for rotate-by-r5, and 49-63 are "rotate by n * channels" */ #define QPU_SMALL_IMM_MUL_ROT 48 #define QPU_ADD_A_SHIFT 9 #define QPU_ADD_A_MASK QPU_MASK(11, 9) #define QPU_ADD_B_SHIFT 6 #define QPU_ADD_B_MASK QPU_MASK(8, 6) #define QPU_MUL_A_SHIFT 3 #define QPU_MUL_A_MASK QPU_MASK(5, 3) #define QPU_MUL_B_SHIFT 0 #define QPU_MUL_B_MASK QPU_MASK(2, 0) #define QPU_WS ((uint64_t)1 << 44) #define QPU_OP_ADD_SHIFT 24 #define QPU_OP_ADD_MASK QPU_MASK(28, 24) #define QPU_LOAD_IMM_SHIFT 0 #define QPU_LOAD_IMM_MASK QPU_MASK(31, 0) #define QPU_BRANCH_TARGET_SHIFT 0 #define QPU_BRANCH_TARGET_MASK QPU_MASK(31, 0) #endif /* VC4_QPU_DEFINES_H */