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 VC5_SCREEN_H
25#define VC5_SCREEN_H
26
27#include "pipe/p_screen.h"
28#include "renderonly/renderonly.h"
29#include "os/os_thread.h"
30#include "state_tracker/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 VC5_UIFCFG_BANKS 8
42#define VC5_UIFCFG_PAGE_SIZE 4096
43#define VC5_UIFCFG_XOR_VALUE (1 << 4)
44#define VC5_PAGE_CACHE_SIZE (VC5_UIFCFG_PAGE_SIZE * VC5_UIFCFG_BANKS)
45#define VC5_UBLOCK_SIZE 64
46#define VC5_UIFBLOCK_SIZE (4 * VC5_UBLOCK_SIZE)
47#define VC5_UIFBLOCK_ROW_SIZE (4 * VC5_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 util_hash_table *bo_handles;
75        mtx_t bo_handles_mutex;
76
77        uint32_t bo_size;
78        uint32_t bo_count;
79
80        bool has_csd;
81
82        struct v3d_simulator_file *sim_file;
83};
84
85static inline struct v3d_screen *
86v3d_screen(struct pipe_screen *screen)
87{
88        return (struct v3d_screen *)screen;
89}
90
91struct pipe_screen *v3d_screen_create(int fd, struct renderonly *ro);
92
93void
94v3d_fence_init(struct v3d_screen *screen);
95
96#endif /* VC5_SCREEN_H */
97