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  1. #ifndef __DRM_LEGACY_H__
  2. #define __DRM_LEGACY_H__
  3.  
  4. /*
  5.  * Copyright (c) 2014 David Herrmann <dh.herrmann@gmail.com>
  6.  *
  7.  * Permission is hereby granted, free of charge, to any person obtaining a
  8.  * copy of this software and associated documentation files (the "Software"),
  9.  * to deal in the Software without restriction, including without limitation
  10.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11.  * and/or sell copies of the Software, and to permit persons to whom the
  12.  * Software is furnished to do so, subject to the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice shall be included in
  15.  * all copies or substantial portions of the Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20.  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23.  * OTHER DEALINGS IN THE SOFTWARE.
  24.  */
  25.  
  26. /*
  27.  * This file contains legacy interfaces that modern drm drivers
  28.  * should no longer be using. They cannot be removed as legacy
  29.  * drivers use them, and removing them are API breaks.
  30.  */
  31. #include <linux/list.h>
  32. #include <drm/drm_legacy.h>
  33.  
  34. struct agp_memory;
  35. struct drm_device;
  36. struct drm_file;
  37.  
  38. /*
  39.  * Generic DRM Contexts
  40.  */
  41.  
  42. #define DRM_KERNEL_CONTEXT              0
  43. #define DRM_RESERVED_CONTEXTS           1
  44.  
  45. int drm_legacy_ctxbitmap_init(struct drm_device *dev);
  46. void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev);
  47. void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
  48. void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file);
  49.  
  50. int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f);
  51. int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f);
  52. int drm_legacy_getctx(struct drm_device *d, void *v, struct drm_file *f);
  53. int drm_legacy_switchctx(struct drm_device *d, void *v, struct drm_file *f);
  54. int drm_legacy_newctx(struct drm_device *d, void *v, struct drm_file *f);
  55. int drm_legacy_rmctx(struct drm_device *d, void *v, struct drm_file *f);
  56.  
  57. int drm_legacy_setsareactx(struct drm_device *d, void *v, struct drm_file *f);
  58. int drm_legacy_getsareactx(struct drm_device *d, void *v, struct drm_file *f);
  59.  
  60. /*
  61.  * Generic Buffer Management
  62.  */
  63.  
  64. #define DRM_MAP_HASH_OFFSET 0x10000000
  65.  
  66. int drm_legacy_addmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
  67. int drm_legacy_rmmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
  68. int drm_legacy_addbufs(struct drm_device *d, void *v, struct drm_file *f);
  69. int drm_legacy_infobufs(struct drm_device *d, void *v, struct drm_file *f);
  70. int drm_legacy_markbufs(struct drm_device *d, void *v, struct drm_file *f);
  71. int drm_legacy_freebufs(struct drm_device *d, void *v, struct drm_file *f);
  72. int drm_legacy_mapbufs(struct drm_device *d, void *v, struct drm_file *f);
  73. int drm_legacy_dma_ioctl(struct drm_device *d, void *v, struct drm_file *f);
  74.  
  75. void drm_legacy_vma_flush(struct drm_device *d);
  76.  
  77. /*
  78.  * AGP Support
  79.  */
  80.  
  81. struct drm_agp_mem {
  82.         unsigned long handle;
  83.         struct agp_memory *memory;
  84.         unsigned long bound;
  85.         int pages;
  86.         struct list_head head;
  87. };
  88.  
  89. /*
  90.  * Generic Userspace Locking-API
  91.  */
  92.  
  93. int drm_legacy_i_have_hw_lock(struct drm_device *d, struct drm_file *f);
  94. int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f);
  95. int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f);
  96. int drm_legacy_lock_free(struct drm_lock_data *lock, unsigned int ctx);
  97.  
  98. /* DMA support */
  99. int drm_legacy_dma_setup(struct drm_device *dev);
  100. void drm_legacy_dma_takedown(struct drm_device *dev);
  101. void drm_legacy_free_buffer(struct drm_device *dev,
  102.                             struct drm_buf * buf);
  103. void drm_legacy_reclaim_buffers(struct drm_device *dev,
  104.                                 struct drm_file *filp);
  105.  
  106. /* Scatter Gather Support */
  107. void drm_legacy_sg_cleanup(struct drm_device *dev);
  108. int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
  109.                         struct drm_file *file_priv);
  110. int drm_legacy_sg_free(struct drm_device *dev, void *data,
  111.                        struct drm_file *file_priv);
  112.  
  113. #endif /* __DRM_LEGACY_H__ */
  114.