drivers/gpu/drm/exynos/exynos_drm_buf.h

   1 /* exynos_drm_buf.h
   2  *
   3  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
   4  * Author: Inki Dae <inki.dae@samsung.com>
   5  *
   6  * This program is free software; you can redistribute  it and/or modify it
   7  * under  the terms of  the GNU General  Public License as published by the
   8  * Free Software Foundation;  either version 2 of the  License, or (at your
   9  * option) any later version.
  10  */
  11
  12 #ifndef _EXYNOS_DRM_BUF_H_
  13 #define _EXYNOS_DRM_BUF_H_
  14
  15 /* create and initialize buffer object. */
  16 struct exynos_drm_gem_buf *exynos_drm_init_buf(struct drm_device *dev,
  17                                                 unsigned int size);
  18
  19 /* destroy buffer object. */
  20 void exynos_drm_fini_buf(struct drm_device *dev,
  21                                 struct exynos_drm_gem_buf *buffer);
  22
  23 /* allocate physical memory region and setup sgt. */
  24 int exynos_drm_alloc_buf(struct drm_device *dev,
  25                                 struct exynos_drm_gem_buf *buf,
  26                                 unsigned int flags);
  27
  28 /* release physical memory region, and sgt. */
  29 void exynos_drm_free_buf(struct drm_device *dev,
  30                                 unsigned int flags,
  31                                 struct exynos_drm_gem_buf *buffer);
  32
  33 #endif