src/freedreno/computerator/main.h

   1 /*
   2  * Copyright © 2020 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 __MAIN_H__
  25 #define __MAIN_H__
  26
  27 #include <err.h>
  28 #include <stdint.h>
  29 #include <stdio.h>
  30
  31 #include "drm/freedreno_drmif.h"
  32 #include "drm/freedreno_ringbuffer.h"
  33
  34 #include "registers/adreno_pm4.xml.h"
  35 #include "registers/adreno_common.xml.h"
  36
  37 #define MAX_BUFS 4
  38
  39 struct kernel {
  40         /* filled in by backend when shader is assembled: */
  41         uint32_t local_size[3];
  42         uint32_t num_bufs;
  43         uint32_t buf_sizes[MAX_BUFS]; /* size in dwords */
  44
  45         /* filled in by frontend before launching grid: */
  46         struct fd_bo *bufs[MAX_BUFS];
  47 };
  48
  49 struct perfcntr {
  50         const char *name;
  51
  52         /* for backend to configure/read the counter, describes
  53          * the selected counter:
  54          */
  55         unsigned select_reg;
  56         unsigned counter_reg_lo;
  57         unsigned counter_reg_hi;
  58         /* and selected countable:
  59          */
  60         unsigned selector;
  61 };
  62
  63 /* per-generation entry-points: */
  64 struct backend {
  65         struct kernel *(*assemble)(struct backend *b, FILE *in);
  66         void (*disassemble)(struct kernel *kernel, FILE *out);
  67         void (*emit_grid)(struct kernel *kernel, uint32_t grid[3],
  68                         struct fd_submit *submit);
  69
  70         /* performance-counter API: */
  71         void (*set_perfcntrs)(struct backend *b, const struct perfcntr *perfcntrs,
  72                         unsigned num_perfcntrs);
  73         void (*read_perfcntrs)(struct backend *b, uint64_t *results);
  74 };
  75
  76 #define define_cast(_from, _to) \
  77 static inline struct _to *              \
  78 to_ ## _to(struct _from *f)             \
  79 { return (struct _to *)f; }
  80
  81 struct backend *a6xx_init(struct fd_device *dev, uint32_t gpu_id);
  82
  83 /* for conditionally setting boolean flag(s): */
  84 #define COND(bool, val) ((bool) ? (val) : 0)
  85
  86 #endif /* __MAIN_H__ */