/*
* 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 <assert.h>
#include <util/macros.h>
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 */