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 "adreno_common.xml.h"
35#include "adreno_pm4.xml.h"
36
37#define MAX_BUFS 4
38
39struct 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   uint32_t buf_addr_regs[MAX_BUFS];
45
46   /* filled in by frontend before launching grid: */
47   struct fd_bo *bufs[MAX_BUFS];
48};
49
50struct perfcntr {
51   const char *name;
52
53   /* for backend to configure/read the counter, describes
54    * the selected counter:
55    */
56   unsigned select_reg;
57   unsigned counter_reg_lo;
58   unsigned counter_reg_hi;
59   /* and selected countable:
60    */
61   unsigned selector;
62};
63
64/* per-generation entry-points: */
65struct backend {
66   struct kernel *(*assemble)(struct backend *b, FILE *in);
67   void (*disassemble)(struct kernel *kernel, FILE *out);
68   void (*emit_grid)(struct kernel *kernel, uint32_t grid[3],
69                     struct fd_submit *submit);
70
71   /* performance-counter API: */
72   void (*set_perfcntrs)(struct backend *b, const struct perfcntr *perfcntrs,
73                         unsigned num_perfcntrs);
74   void (*read_perfcntrs)(struct backend *b, uint64_t *results);
75};
76
77#define define_cast(_from, _to)                                                \
78   static inline struct _to *to_##_to(struct _from *f)                         \
79   {                                                                           \
80      return (struct _to *)f;                                                  \
81   }
82
83struct backend *a4xx_init(struct fd_device *dev, const struct fd_dev_id *dev_id);
84struct backend *a6xx_init(struct fd_device *dev, const struct fd_dev_id *dev_id);
85
86/* for conditionally setting boolean flag(s): */
87#define COND(bool, val) ((bool) ? (val) : 0)
88
89#endif /* __MAIN_H__ */
90