sys/external/bsd/drm/dist/libdrm/intel/intel_bufmgr.h

   1 /*
   2  * Copyright © 2008 Intel Corporation
   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  * Authors:
  24  *    Eric Anholt <eric@anholt.net>
  25  *
  26  */
  27
  28 /**
  29  * @file intel_bufmgr.h
  30  *
  31  * Public definitions of Intel-specific bufmgr functions.
  32  */
  33
  34 #ifndef INTEL_BUFMGR_H
  35 #define INTEL_BUFMGR_H
  36
  37 #include <stdint.h>
  38
  39 typedef struct _drm_intel_bufmgr drm_intel_bufmgr;
  40 typedef struct _drm_intel_bo drm_intel_bo;
  41
  42 struct _drm_intel_bo {
  43     /**
  44      * Size in bytes of the buffer object.
  45      *
  46      * The size may be larger than the size originally requested for the
  47      * allocation, such as being aligned to page size.
  48      */
  49     unsigned long size;
  50     /**
  51      * Alignment requirement for object
  52      *
  53      * Used for GTT mapping & pinning the object.
  54      */
  55     unsigned long align;
  56
  57     /**
  58      * Card virtual address (offset from the beginning of the aperture) for the
  59      * object.  Only valid while validated.
  60      */
  61     unsigned long offset;
  62     /**
  63      * Virtual address for accessing the buffer data.  Only valid while mapped.
  64      */
  65     void *virtual;
  66
  67     /** Buffer manager context associated with this buffer object */
  68     drm_intel_bufmgr *bufmgr;
  69
  70     /**
  71      * MM-specific handle for accessing object
  72      */
  73     int handle;
  74 };
  75
  76 drm_intel_bo *drm_intel_bo_alloc(drm_intel_bufmgr *bufmgr, const char *name,
  77                                  unsigned long size, unsigned int alignment);
  78 drm_intel_bo *drm_intel_bo_alloc_for_render(drm_intel_bufmgr *bufmgr,
  79                                             const char *name,
  80                                             unsigned long size,
  81                                             unsigned int alignment);
  82 void drm_intel_bo_reference(drm_intel_bo *bo);
  83 void drm_intel_bo_unreference(drm_intel_bo *bo);
  84 int drm_intel_bo_map(drm_intel_bo *bo, int write_enable);
  85 int drm_intel_bo_unmap(drm_intel_bo *bo);
  86
  87 int drm_intel_bo_subdata(drm_intel_bo *bo, unsigned long offset,
  88                      unsigned long size, const void *data);
  89 int drm_intel_bo_get_subdata(drm_intel_bo *bo, unsigned long offset,
  90                          unsigned long size, void *data);
  91 void drm_intel_bo_wait_rendering(drm_intel_bo *bo);
  92
  93 void drm_intel_bufmgr_set_debug(drm_intel_bufmgr *bufmgr, int enable_debug);
  94 void drm_intel_bufmgr_destroy(drm_intel_bufmgr *bufmgr);
  95 int drm_intel_bo_exec(drm_intel_bo *bo, int used,
  96                       drm_clip_rect_t *cliprects, int num_cliprects,
  97                       int DR4);
  98 int drm_intel_bufmgr_check_aperture_space(drm_intel_bo **bo_array, int count);
  99
 100 int drm_intel_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset,
 101                             drm_intel_bo *target_bo, uint32_t target_offset,
 102                             uint32_t read_domains, uint32_t write_domain);
 103 int drm_intel_bo_pin(drm_intel_bo *bo, uint32_t alignment);
 104 int drm_intel_bo_unpin(drm_intel_bo *bo);
 105 int drm_intel_bo_set_tiling(drm_intel_bo *bo, uint32_t *tiling_mode,
 106                             uint32_t stride);
 107 int drm_intel_bo_get_tiling(drm_intel_bo *bo, uint32_t *tiling_mode,
 108                         uint32_t *swizzle_mode);
 109 int drm_intel_bo_flink(drm_intel_bo *bo, uint32_t *name);
 110
 111 int drm_intel_bo_disable_reuse(drm_intel_bo *bo);
 112
 113 /* drm_intel_bufmgr_gem.c */
 114 drm_intel_bufmgr *drm_intel_bufmgr_gem_init(int fd, int batch_size);
 115 drm_intel_bo *drm_intel_bo_gem_create_from_name(drm_intel_bufmgr *bufmgr,
 116                                                 const char *name,
 117                                                 unsigned int handle);
 118 void drm_intel_bufmgr_gem_enable_reuse(drm_intel_bufmgr *bufmgr);
 119 int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo);
 120 int drm_intel_gem_bo_unmap_gtt(drm_intel_bo *bo);
 121 void drm_intel_gem_bo_start_gtt_access(drm_intel_bo *bo, int write_enable);
 122
 123 int drm_intel_get_pipe_from_crtc_id(drm_intel_bufmgr *bufmgr, int crtc_id);
 124
 125 /* drm_intel_bufmgr_fake.c */
 126 drm_intel_bufmgr *drm_intel_bufmgr_fake_init(int fd,
 127                                              unsigned long low_offset,
 128                                              void *low_virtual,
 129                                              unsigned long size,
 130                                              volatile unsigned int *last_dispatch);
 131 void drm_intel_bufmgr_fake_set_last_dispatch(drm_intel_bufmgr *bufmgr,
 132                                              volatile unsigned int *last_dispatch);
 133 void drm_intel_bufmgr_fake_set_exec_callback(drm_intel_bufmgr *bufmgr,
 134                                              int (*exec)(drm_intel_bo *bo,
 135                                                          unsigned int used,
 136                                                          void *priv),
 137                                              void *priv);
 138 void drm_intel_bufmgr_fake_set_fence_callback(drm_intel_bufmgr *bufmgr,
 139                                               unsigned int (*emit)(void *priv),
 140                                               void (*wait)(unsigned int fence,
 141                                                            void *priv),
 142                                               void *priv);
 143 drm_intel_bo *drm_intel_bo_fake_alloc_static(drm_intel_bufmgr *bufmgr,
 144                                              const char *name,
 145                                              unsigned long offset, unsigned long size,
 146                                              void *virtual);
 147 void drm_intel_bo_fake_disable_backing_store(drm_intel_bo *bo,
 148                                              void (*invalidate_cb)(drm_intel_bo *bo,
 149                                                                    void *ptr),
 150                                              void *ptr);
 151
 152 void drm_intel_bufmgr_fake_contended_lock_take(drm_intel_bufmgr *bufmgr);
 153 void drm_intel_bufmgr_fake_evict_all(drm_intel_bufmgr *bufmgr);
 154
 155 /** @{ Compatibility defines to keep old code building despite the symbol rename
 156  * from dri_* to drm_intel_*
 157  */
 158 #define dri_bo drm_intel_bo
 159 #define dri_bufmgr drm_intel_bufmgr
 160 #define dri_bo_alloc drm_intel_bo_alloc
 161 #define dri_bo_reference drm_intel_bo_reference
 162 #define dri_bo_unreference drm_intel_bo_unreference
 163 #define dri_bo_map drm_intel_bo_map
 164 #define dri_bo_unmap drm_intel_bo_unmap
 165 #define dri_bo_subdata drm_intel_bo_subdata
 166 #define dri_bo_get_subdata drm_intel_bo_get_subdata
 167 #define dri_bo_wait_rendering drm_intel_bo_wait_rendering
 168 #define dri_bufmgr_set_debug drm_intel_bufmgr_set_debug
 169 #define dri_bufmgr_destroy drm_intel_bufmgr_destroy
 170 #define dri_bo_exec drm_intel_bo_exec
 171 #define dri_bufmgr_check_aperture_space drm_intel_bufmgr_check_aperture_space
 172 #define dri_bo_emit_reloc(reloc_bo, read, write, target_offset,         \
 173                           reloc_offset, target_bo)                      \
 174         drm_intel_bo_emit_reloc(reloc_bo, reloc_offset,                 \
 175                             target_bo, target_offset,                   \
 176                             read, write);
 177 #define dri_bo_pin drm_intel_bo_pin
 178 #define dri_bo_unpin drm_intel_bo_unpin
 179 #define dri_bo_get_tiling drm_intel_bo_get_tiling
 180 #define dri_bo_set_tiling(bo, mode) drm_intel_bo_set_tiling(bo, mode, 0)
 181 #define dri_bo_flink drm_intel_bo_flink
 182 #define intel_bufmgr_gem_init drm_intel_bufmgr_gem_init
 183 #define intel_bo_gem_create_from_name drm_intel_bo_gem_create_from_name
 184 #define intel_bufmgr_gem_enable_reuse drm_intel_bufmgr_gem_enable_reuse
 185 #define intel_bufmgr_fake_init drm_intel_bufmgr_fake_init
 186 #define intel_bufmgr_fake_set_last_dispatch drm_intel_bufmgr_fake_set_last_dispatch
 187 #define intel_bufmgr_fake_set_exec_callback drm_intel_bufmgr_fake_set_exec_callback
 188 #define intel_bufmgr_fake_set_fence_callback drm_intel_bufmgr_fake_set_fence_callback
 189 #define intel_bo_fake_alloc_static drm_intel_bo_fake_alloc_static
 190 #define intel_bo_fake_disable_backing_store drm_intel_bo_fake_disable_backing_store
 191 #define intel_bufmgr_fake_contended_lock_take drm_intel_bufmgr_fake_contended_lock_take
 192 #define intel_bufmgr_fake_evict_all drm_intel_bufmgr_fake_evict_all
 193
 194 /** @{ */
 195
 196 #endif /* INTEL_BUFMGR_H */
 197