v3d_screen.h revision 7ec681f3 
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/list.h"
32#include "util/slab.h"
33#include "broadcom/common/v3d_debug.h"
34#include "broadcom/common/v3d_device_info.h"
35
36struct v3d_bo;
37
38/* These are tunable parameters in the HW design, but all the V3D
39 * implementations agree.
40 */
41#define V3D_UIFCFG_BANKS 8
42#define V3D_UIFCFG_PAGE_SIZE 4096
43#define V3D_UIFCFG_XOR_VALUE (1 << 4)
44#define V3D_PAGE_CACHE_SIZE (V3D_UIFCFG_PAGE_SIZE * V3D_UIFCFG_BANKS)
45#define V3D_UBLOCK_SIZE 64
46#define V3D_UIFBLOCK_SIZE (4 * V3D_UBLOCK_SIZE)
47#define V3D_UIFBLOCK_ROW_SIZE (4 * V3D_UIFBLOCK_SIZE)
48
49struct v3d_simulator_file;
50
51struct v3d_screen {
52        struct pipe_screen base;
53        struct renderonly *ro;
54        int fd;
55
56        struct v3d_device_info devinfo;
57
58        const char *name;
59
60        struct slab_parent_pool transfer_pool;
61
62        struct v3d_bo_cache {
63                /** List of struct v3d_bo freed, by age. */
64                struct list_head time_list;
65                /** List of struct v3d_bo freed, per size, by age. */
66                struct list_head *size_list;
67                uint32_t size_list_size;
68
69                mtx_t lock;
70        } bo_cache;
71
72        const struct v3d_compiler *compiler;
73
74        struct hash_table *bo_handles;
75        mtx_t bo_handles_mutex;
76
77        uint32_t bo_size;
78        uint32_t bo_count;
79        uint32_t prim_types;
80
81        bool has_csd;
82        bool has_cache_flush;
83        bool has_perfmon;
84        bool nonmsaa_texture_size_limit;
85
86        struct v3d_simulator_file *sim_file;
87};
88
89static inline struct v3d_screen *
90v3d_screen(struct pipe_screen *screen)
91{
92        return (struct v3d_screen *)screen;
93}
94
95struct pipe_screen *v3d_screen_create(int fd,
96                                      const struct pipe_screen_config *config,
97                                      struct renderonly *ro);
98
99void
100v3d_fence_init(struct v3d_screen *screen);
101
102#endif /* V3D_SCREEN_H */
103