src/gallium/drivers/freedreno/a6xx/fd6_pack.h

   1 /*
   2  * Copyright © 2019 Google, Inc.
   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 FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  */
  23
  24 #ifndef FD6_PACK_H
  25 #define FD6_PACK_H
  26
  27 #include "a6xx.xml.h"
  28
  29 struct fd_reg_pair {
  30         uint32_t reg;
  31         uint64_t value;
  32         struct fd_bo *bo;
  33         bool bo_write;
  34         uint32_t bo_offset;
  35         uint32_t bo_shift;
  36 };
  37
  38 #define __bo_type struct fd_bo *
  39
  40 #include "a6xx-pack.xml.h"
  41
  42 #define __assert_eq(a, b)                                                                                                       \
  43         do {                                                                                                                            \
  44                 if ((a) != (b)) {                                                                                               \
  45                         fprintf(stderr, "assert failed: " #a " (0x%x) != " #b " (0x%x)\n", a, b); \
  46                         assert((a) == (b));                                                                                     \
  47                 }                                                                                                                               \
  48         } while (0)
  49
  50 #define __ONE_REG(i, ...)                                                                                       \
  51         do {                                                                                                                    \
  52                 const struct fd_reg_pair regs[] = { __VA_ARGS__ };                      \
  53                 if (i < ARRAY_SIZE(regs) && regs[i].reg > 0) {                          \
  54                         __assert_eq(regs[0].reg + i, regs[i].reg);                              \
  55                         if (regs[i].bo) {                                                                               \
  56                                 struct fd_reloc reloc = {                                                       \
  57                                         .bo = regs[i].bo,                                                               \
  58                                         .flags = FD_RELOC_READ |                                                \
  59                                                 (regs[i].bo_write ? FD_RELOC_WRITE : 0),        \
  60                                                                                                                                         \
  61                                         .offset = regs[i].bo_offset,                                    \
  62                                         .or = regs[i].value,                                                    \
  63                                         .shift = regs[i].bo_shift,                                              \
  64                                         .orhi = regs[i].value >> 32                                             \
  65                                 };                                                                                                      \
  66                                 ring->cur = p;                                                                          \
  67                                 p += 2;                                                                                         \
  68                                 fd_ringbuffer_reloc(ring, &reloc);                                      \
  69                         } else {                                                                                                \
  70                                 *p++ = regs[i].value;                                                           \
  71                         }                                                                                                               \
  72                 }                                                                                                                       \
  73         } while (0)
  74
  75 #define OUT_REG(ring, ...)                                                                      \
  76         do {                                                                                                    \
  77                 const struct fd_reg_pair regs[] = { __VA_ARGS__ };      \
  78                 unsigned count = ARRAY_SIZE(regs);                                      \
  79                 uint32_t *p = ring->cur;                                                        \
  80                                                                                                                         \
  81                 STATIC_ASSERT(count > 0);                                                       \
  82                 STATIC_ASSERT(count <= 16);                                                     \
  83                                                                                                                         \
  84                 BEGIN_RING(ring, count + 1);                                            \
  85                 *p++ = CP_TYPE4_PKT | count |                                           \
  86                         (_odd_parity_bit(count) << 7) |                                 \
  87                         ((regs[0].reg & 0x3ffff) << 8) |                                \
  88                         ((_odd_parity_bit(regs[0].reg) << 27));                 \
  89                                                                                                                         \
  90                 __ONE_REG( 0, __VA_ARGS__);                                                     \
  91                 __ONE_REG( 1, __VA_ARGS__);                                                     \
  92                 __ONE_REG( 2, __VA_ARGS__);                                                     \
  93                 __ONE_REG( 3, __VA_ARGS__);                                                     \
  94                 __ONE_REG( 4, __VA_ARGS__);                                                     \
  95                 __ONE_REG( 5, __VA_ARGS__);                                                     \
  96                 __ONE_REG( 6, __VA_ARGS__);                                                     \
  97                 __ONE_REG( 7, __VA_ARGS__);                                                     \
  98                 __ONE_REG( 8, __VA_ARGS__);                                                     \
  99                 __ONE_REG( 9, __VA_ARGS__);                                                     \
 100                 __ONE_REG(10, __VA_ARGS__);                                                     \
 101                 __ONE_REG(11, __VA_ARGS__);                                                     \
 102                 __ONE_REG(12, __VA_ARGS__);                                                     \
 103                 __ONE_REG(13, __VA_ARGS__);                                                     \
 104                 __ONE_REG(14, __VA_ARGS__);                                                     \
 105                 __ONE_REG(15, __VA_ARGS__);                                                     \
 106                 ring->cur = p;                                                                          \
 107         } while (0)
 108
 109 #endif /* FD6_PACK_H */