| 1 | /*
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| 2 | * Copyright © 2008 Intel Corporation
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| 3 | *
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 5 | * copy of this software and associated documentation files (the "Software"),
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| 6 | * to deal in the Software without restriction, including without limitation
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the
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| 9 | * Software is furnished to do so, subject to the following conditions:
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| 10 | *
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| 11 | * The above copyright notice and this permission notice (including the next
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| 12 | * paragraph) shall be included in all copies or substantial portions of the
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| 13 | * Software.
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| 14 | *
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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| 21 | * IN THE SOFTWARE.
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| 22 | *
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| 23 | * Authors:
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| 24 | * Eric Anholt <[email protected]>
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| 25 | *
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| 26 | */
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| 27 |
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| 28 | /**
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| 29 | * @file intel_bufmgr.h
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| 30 | *
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| 31 | * Public definitions of Intel-specific bufmgr functions.
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| 32 | */
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| 33 |
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| 34 | #ifndef INTEL_BUFMGR_H
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| 35 | #define INTEL_BUFMGR_H
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| 36 |
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| 37 | #include <stdint.h>
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| 38 |
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| 39 | typedef struct _drm_intel_bufmgr drm_intel_bufmgr;
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| 40 | typedef struct _drm_intel_bo drm_intel_bo;
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| 41 |
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| 42 | struct _drm_intel_bo {
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| 43 | /**
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| 44 | * Size in bytes of the buffer object.
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| 45 | *
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| 46 | * The size may be larger than the size originally requested for the
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| 47 | * allocation, such as being aligned to page size.
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| 48 | */
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| 49 | unsigned long size;
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| 50 | /**
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| 51 | * Alignment requirement for object
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| 52 | *
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| 53 | * Used for GTT mapping & pinning the object.
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| 54 | */
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| 55 | unsigned long align;
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| 56 |
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| 57 | /**
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| 58 | * Card virtual address (offset from the beginning of the aperture) for the
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| 59 | * object. Only valid while validated.
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| 60 | */
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| 61 | unsigned long offset;
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| 62 | /**
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| 63 | * Virtual address for accessing the buffer data. Only valid while mapped.
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| 64 | */
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| 65 | void *virtual;
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| 66 |
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| 67 | /** Buffer manager context associated with this buffer object */
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| 68 | drm_intel_bufmgr *bufmgr;
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| 69 |
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| 70 | /**
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| 71 | * MM-specific handle for accessing object
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| 72 | */
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| 73 | int handle;
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| 74 | };
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| 75 |
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| 76 | drm_intel_bo *drm_intel_bo_alloc(drm_intel_bufmgr *bufmgr, const char *name,
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| 77 | unsigned long size, unsigned int alignment);
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| 78 | drm_intel_bo *drm_intel_bo_alloc_for_render(drm_intel_bufmgr *bufmgr,
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| 79 | const char *name,
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| 80 | unsigned long size,
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| 81 | unsigned int alignment);
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| 82 | void drm_intel_bo_reference(drm_intel_bo *bo);
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| 83 | void drm_intel_bo_unreference(drm_intel_bo *bo);
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| 84 | int drm_intel_bo_map(drm_intel_bo *bo, int write_enable);
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| 85 | int drm_intel_bo_unmap(drm_intel_bo *bo);
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| 86 |
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| 87 | int drm_intel_bo_subdata(drm_intel_bo *bo, unsigned long offset,
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| 88 | unsigned long size, const void *data);
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| 89 | int drm_intel_bo_get_subdata(drm_intel_bo *bo, unsigned long offset,
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| 90 | unsigned long size, void *data);
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| 91 | void drm_intel_bo_wait_rendering(drm_intel_bo *bo);
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| 92 |
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| 93 | void drm_intel_bufmgr_set_debug(drm_intel_bufmgr *bufmgr, int enable_debug);
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| 94 | void drm_intel_bufmgr_destroy(drm_intel_bufmgr *bufmgr);
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| 95 | int drm_intel_bo_exec(drm_intel_bo *bo, int used,
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| 96 | drm_clip_rect_t *cliprects, int num_cliprects,
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| 97 | int DR4);
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| 98 | int drm_intel_bufmgr_check_aperture_space(drm_intel_bo **bo_array, int count);
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| 99 |
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| 100 | int drm_intel_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset,
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| 101 | drm_intel_bo *target_bo, uint32_t target_offset,
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| 102 | uint32_t read_domains, uint32_t write_domain);
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| 103 | int drm_intel_bo_pin(drm_intel_bo *bo, uint32_t alignment);
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| 104 | int drm_intel_bo_unpin(drm_intel_bo *bo);
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| 105 | int drm_intel_bo_set_tiling(drm_intel_bo *bo, uint32_t *tiling_mode,
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| 106 | uint32_t stride);
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| 107 | int drm_intel_bo_get_tiling(drm_intel_bo *bo, uint32_t *tiling_mode,
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| 108 | uint32_t *swizzle_mode);
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| 109 | int drm_intel_bo_flink(drm_intel_bo *bo, uint32_t *name);
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| 110 | int drm_intel_bo_busy(drm_intel_bo *bo);
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| 111 |
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| 112 | int drm_intel_bo_disable_reuse(drm_intel_bo *bo);
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| 113 |
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| 114 | /* drm_intel_bufmgr_gem.c */
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| 115 | drm_intel_bufmgr *drm_intel_bufmgr_gem_init(int fd, int batch_size);
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| 116 | drm_intel_bo *drm_intel_bo_gem_create_from_name(drm_intel_bufmgr *bufmgr,
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| 117 | const char *name,
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| 118 | unsigned int handle);
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| 119 | void drm_intel_bufmgr_gem_enable_reuse(drm_intel_bufmgr *bufmgr);
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| 120 | int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo);
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| 121 | int drm_intel_gem_bo_unmap_gtt(drm_intel_bo *bo);
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| 122 | void drm_intel_gem_bo_start_gtt_access(drm_intel_bo *bo, int write_enable);
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| 123 |
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| 124 | int drm_intel_get_pipe_from_crtc_id(drm_intel_bufmgr *bufmgr, int crtc_id);
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| 125 |
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| 126 | /* drm_intel_bufmgr_fake.c */
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| 127 | drm_intel_bufmgr *drm_intel_bufmgr_fake_init(int fd,
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| 128 | unsigned long low_offset,
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| 129 | void *low_virtual,
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| 130 | unsigned long size,
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| 131 | volatile unsigned int *last_dispatch);
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| 132 | void drm_intel_bufmgr_fake_set_last_dispatch(drm_intel_bufmgr *bufmgr,
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| 133 | volatile unsigned int *last_dispatch);
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| 134 | void drm_intel_bufmgr_fake_set_exec_callback(drm_intel_bufmgr *bufmgr,
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| 135 | int (*exec)(drm_intel_bo *bo,
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| 136 | unsigned int used,
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| 137 | void *priv),
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| 138 | void *priv);
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| 139 | void drm_intel_bufmgr_fake_set_fence_callback(drm_intel_bufmgr *bufmgr,
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| 140 | unsigned int (*emit)(void *priv),
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| 141 | void (*wait)(unsigned int fence,
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| 142 | void *priv),
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| 143 | void *priv);
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| 144 | drm_intel_bo *drm_intel_bo_fake_alloc_static(drm_intel_bufmgr *bufmgr,
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| 145 | const char *name,
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| 146 | unsigned long offset, unsigned long size,
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| 147 | void *virtual);
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| 148 | void drm_intel_bo_fake_disable_backing_store(drm_intel_bo *bo,
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| 149 | void (*invalidate_cb)(drm_intel_bo *bo,
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| 150 | void *ptr),
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| 151 | void *ptr);
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| 152 |
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| 153 | void drm_intel_bufmgr_fake_contended_lock_take(drm_intel_bufmgr *bufmgr);
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| 154 | void drm_intel_bufmgr_fake_evict_all(drm_intel_bufmgr *bufmgr);
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| 155 |
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| 156 | /** @{ Compatibility defines to keep old code building despite the symbol rename
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| 157 | * from dri_* to drm_intel_*
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| 158 | */
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| 159 | #define dri_bo drm_intel_bo
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| 160 | #define dri_bufmgr drm_intel_bufmgr
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| 161 | #define dri_bo_alloc drm_intel_bo_alloc
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| 162 | #define dri_bo_reference drm_intel_bo_reference
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| 163 | #define dri_bo_unreference drm_intel_bo_unreference
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| 164 | #define dri_bo_map drm_intel_bo_map
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| 165 | #define dri_bo_unmap drm_intel_bo_unmap
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| 166 | #define dri_bo_subdata drm_intel_bo_subdata
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| 167 | #define dri_bo_get_subdata drm_intel_bo_get_subdata
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| 168 | #define dri_bo_wait_rendering drm_intel_bo_wait_rendering
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| 169 | #define dri_bufmgr_set_debug drm_intel_bufmgr_set_debug
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| 170 | #define dri_bufmgr_destroy drm_intel_bufmgr_destroy
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| 171 | #define dri_bo_exec drm_intel_bo_exec
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| 172 | #define dri_bufmgr_check_aperture_space drm_intel_bufmgr_check_aperture_space
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| 173 | #define dri_bo_emit_reloc(reloc_bo, read, write, target_offset, \
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| 174 | reloc_offset, target_bo) \
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| 175 | drm_intel_bo_emit_reloc(reloc_bo, reloc_offset, \
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| 176 | target_bo, target_offset, \
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| 177 | read, write);
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| 178 | #define dri_bo_pin drm_intel_bo_pin
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| 179 | #define dri_bo_unpin drm_intel_bo_unpin
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| 180 | #define dri_bo_get_tiling drm_intel_bo_get_tiling
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| 181 | #define dri_bo_set_tiling(bo, mode) drm_intel_bo_set_tiling(bo, mode, 0)
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| 182 | #define dri_bo_flink drm_intel_bo_flink
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| 183 | #define intel_bufmgr_gem_init drm_intel_bufmgr_gem_init
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| 184 | #define intel_bo_gem_create_from_name drm_intel_bo_gem_create_from_name
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| 185 | #define intel_bufmgr_gem_enable_reuse drm_intel_bufmgr_gem_enable_reuse
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| 186 | #define intel_bufmgr_fake_init drm_intel_bufmgr_fake_init
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| 187 | #define intel_bufmgr_fake_set_last_dispatch drm_intel_bufmgr_fake_set_last_dispatch
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| 188 | #define intel_bufmgr_fake_set_exec_callback drm_intel_bufmgr_fake_set_exec_callback
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| 189 | #define intel_bufmgr_fake_set_fence_callback drm_intel_bufmgr_fake_set_fence_callback
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| 190 | #define intel_bo_fake_alloc_static drm_intel_bo_fake_alloc_static
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| 191 | #define intel_bo_fake_disable_backing_store drm_intel_bo_fake_disable_backing_store
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| 192 | #define intel_bufmgr_fake_contended_lock_take drm_intel_bufmgr_fake_contended_lock_take
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| 193 | #define intel_bufmgr_fake_evict_all drm_intel_bufmgr_fake_evict_all
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| 194 |
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| 195 | /** @{ */
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| 196 |
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| 197 | #endif /* INTEL_BUFMGR_H */
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| 198 |
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