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1 /*
2  * Copyright (c) 2017-2019 Lima Project
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, sub license,
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
12  * next paragraph) shall be included in all copies or substantial portions
13  * of the 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 NON-INFRINGEMENT. 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
21  * DEALINGS IN THE SOFTWARE.
22  *
23  */
24 
25 #ifndef H_LIMA_SCREEN
26 #define H_LIMA_SCREEN
27 
28 #include <stdio.h>
29 
30 #include "util/slab.h"
31 #include "util/list.h"
32 #include "os/os_thread.h"
33 
34 #include "pipe/p_screen.h"
35 
36 #define LIMA_DEBUG_GP             (1 << 0)
37 #define LIMA_DEBUG_PP             (1 << 1)
38 #define LIMA_DEBUG_DUMP           (1 << 2)
39 #define LIMA_DEBUG_SHADERDB       (1 << 3)
40 #define LIMA_DEBUG_NO_BO_CACHE    (1 << 4)
41 #define LIMA_DEBUG_BO_CACHE       (1 << 5)
42 #define LIMA_DEBUG_NO_TILING      (1 << 6)
43 #define LIMA_DEBUG_NO_GROW_HEAP   (1 << 7)
44 #define LIMA_DEBUG_SINGLE_JOB     (1 << 8)
45 
46 extern uint32_t lima_debug;
47 extern int lima_ctx_num_plb;
48 extern int lima_plb_max_blk;
49 extern int lima_ppir_force_spilling;
50 extern int lima_plb_pp_stream_cache_size;
51 
52 struct ra_regs;
53 
54 #define MIN_BO_CACHE_BUCKET (12) /* 2^12 = 4KB */
55 #define MAX_BO_CACHE_BUCKET (22) /* 2^22 = 4MB */
56 
57 #define NR_BO_CACHE_BUCKETS (MAX_BO_CACHE_BUCKET - MIN_BO_CACHE_BUCKET + 1)
58 
59 struct lima_screen {
60    struct pipe_screen base;
61    struct renderonly *ro;
62 
63    int refcnt;
64    void *winsys_priv;
65 
66    int fd;
67    int gpu_type;
68    int num_pp;
69    uint32_t plb_max_blk;
70 
71    /* bo table */
72    mtx_t bo_table_lock;
73    mtx_t bo_cache_lock;
74    struct hash_table *bo_handles;
75    struct hash_table *bo_flink_names;
76    struct list_head bo_cache_buckets[NR_BO_CACHE_BUCKETS];
77    struct list_head bo_cache_time;
78 
79    struct slab_parent_pool transfer_pool;
80 
81    struct ra_regs *pp_ra;
82 
83    struct lima_bo *pp_buffer;
84    #define pp_frame_rsw_offset       0x0000
85    #define pp_clear_program_offset   0x0040
86    #define pp_reload_program_offset  0x0080
87    #define pp_shared_index_offset    0x00c0
88    #define pp_clear_gl_pos_offset    0x0100
89    #define pp_buffer_size            0x1000
90 
91    bool has_growable_heap_buffer;
92 };
93 
94 static inline struct lima_screen *
lima_screen(struct pipe_screen * pscreen)95 lima_screen(struct pipe_screen *pscreen)
96 {
97    return (struct lima_screen *)pscreen;
98 }
99 
100 struct pipe_screen *
101 lima_screen_create(int fd, struct renderonly *ro);
102 
103 #endif
104