src/gallium/drivers/vc5/vc5_screen.h

   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 "os/os_thread.h"
  29 #include "state_tracker/drm_driver.h"
  30 #include "util/list.h"
  31 #include "util/slab.h"
  32 #include "broadcom/common/v3d_debug.h"
  33 #include "broadcom/common/v3d_device_info.h"
  34
  35 struct vc5_bo;
  36
  37 #define VC5_MAX_MIP_LEVELS 12
  38 #define VC5_MAX_TEXTURE_SAMPLERS 32
  39 #define VC5_MAX_SAMPLES 4
  40 #define VC5_MAX_DRAW_BUFFERS 4
  41 #define VC5_MAX_ATTRIBUTES 16
  42
  43 /* These are tunable parameters in the HW design, but all the V3D
  44  * implementations agree.
  45  */
  46 #define VC5_UIFCFG_BANKS 8
  47 #define VC5_UIFCFG_PAGE_SIZE 4096
  48 #define VC5_UIFCFG_XOR_VALUE (1 << 4)
  49 #define VC5_PAGE_CACHE_SIZE (VC5_UIFCFG_PAGE_SIZE * VC5_UIFCFG_BANKS)
  50 #define VC5_UBLOCK_SIZE 64
  51 #define VC5_UIFBLOCK_SIZE (4 * VC5_UBLOCK_SIZE)
  52 #define VC5_UIFBLOCK_ROW_SIZE (4 * VC5_UIFBLOCK_SIZE)
  53
  54 struct vc5_simulator_file;
  55
  56 struct vc5_screen {
  57         struct pipe_screen base;
  58         int fd;
  59
  60         struct v3d_device_info devinfo;
  61
  62         const char *name;
  63
  64         /** The last seqno we've completed a wait for.
  65          *
  66          * This lets us slightly optimize our waits by skipping wait syscalls
  67          * if we know the job's already done.
  68          */
  69         uint64_t finished_seqno;
  70
  71         struct slab_parent_pool transfer_pool;
  72
  73         struct vc5_bo_cache {
  74                 /** List of struct vc5_bo freed, by age. */
  75                 struct list_head time_list;
  76                 /** List of struct vc5_bo freed, per size, by age. */
  77                 struct list_head *size_list;
  78                 uint32_t size_list_size;
  79
  80                 mtx_t lock;
  81
  82                 uint32_t bo_size;
  83                 uint32_t bo_count;
  84         } bo_cache;
  85
  86         const struct v3d_compiler *compiler;
  87
  88         struct util_hash_table *bo_handles;
  89         mtx_t bo_handles_mutex;
  90
  91         uint32_t bo_size;
  92         uint32_t bo_count;
  93
  94         struct vc5_simulator_file *sim_file;
  95 };
  96
  97 static inline struct vc5_screen *
  98 vc5_screen(struct pipe_screen *screen)
  99 {
 100         return (struct vc5_screen *)screen;
 101 }
 102
 103 struct pipe_screen *vc5_screen_create(int fd);
 104
 105 void
 106 vc5_fence_init(struct vc5_screen *screen);
 107
 108 struct vc5_fence *
 109 vc5_fence_create(struct vc5_screen *screen, uint64_t seqno);
 110
 111 #endif /* VC5_SCREEN_H */