1/*
2 * Copyright © 2014-2017 Broadcom
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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24#ifndef V3D_SCREEN_H
25#define V3D_SCREEN_H
26
27#include "pipe/p_screen.h"
28#include "renderonly/renderonly.h"
29#include "os/os_thread.h"
30#include "frontend/drm_driver.h"
31#include "util/disk_cache.h"
32#include "util/list.h"
33#include "util/slab.h"
34#include "broadcom/common/v3d_debug.h"
35#include "broadcom/common/v3d_device_info.h"
36
37struct v3d_bo;
38
39/* These are tunable parameters in the HW design, but all the V3D
40 * implementations agree.
41 */
42#define V3D_UIFCFG_BANKS 8
43#define V3D_UIFCFG_PAGE_SIZE 4096
44#define V3D_UIFCFG_XOR_VALUE (1 << 4)
45#define V3D_PAGE_CACHE_SIZE (V3D_UIFCFG_PAGE_SIZE * V3D_UIFCFG_BANKS)
46#define V3D_UBLOCK_SIZE 64
47#define V3D_UIFBLOCK_SIZE (4 * V3D_UBLOCK_SIZE)
48#define V3D_UIFBLOCK_ROW_SIZE (4 * V3D_UIFBLOCK_SIZE)
49
50struct v3d_simulator_file;
51
52struct v3d_screen {
53        struct pipe_screen base;
54        struct renderonly *ro;
55        int fd;
56
57        struct v3d_device_info devinfo;
58
59        const char *name;
60
61        struct slab_parent_pool transfer_pool;
62
63        struct v3d_bo_cache {
64                /** List of struct v3d_bo freed, by age. */
65                struct list_head time_list;
66                /** List of struct v3d_bo freed, per size, by age. */
67                struct list_head *size_list;
68                uint32_t size_list_size;
69
70                mtx_t lock;
71        } bo_cache;
72
73        const struct v3d_compiler *compiler;
74
75        struct hash_table *bo_handles;
76        mtx_t bo_handles_mutex;
77
78        uint32_t bo_size;
79        uint32_t bo_count;
80        uint32_t prim_types;
81
82        bool has_csd;
83        bool has_cache_flush;
84        bool has_perfmon;
85        bool nonmsaa_texture_size_limit;
86
87        struct v3d_simulator_file *sim_file;
88
89#ifdef ENABLE_SHADER_CACHE
90        struct disk_cache *disk_cache;
91#endif
92};
93
94static inline struct v3d_screen *
95v3d_screen(struct pipe_screen *screen)
96{
97        return (struct v3d_screen *)screen;
98}
99
100struct pipe_screen *v3d_screen_create(int fd,
101                                      const struct pipe_screen_config *config,
102                                      struct renderonly *ro);
103
104void
105v3d_fence_init(struct v3d_screen *screen);
106
107#ifdef ENABLE_SHADER_CACHE
108void
109v3d_disk_cache_init(struct v3d_screen *screen);
110#endif
111
112#endif /* V3D_SCREEN_H */
113