OpenCloudOS-Kernel/drivers/gpu/drm/exynos/exynos_drm_buf.h

34 lines
1.0 KiB
C

/* exynos_drm_buf.h
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* Author: Inki Dae <inki.dae@samsung.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#ifndef _EXYNOS_DRM_BUF_H_
#define _EXYNOS_DRM_BUF_H_
/* create and initialize buffer object. */
struct exynos_drm_gem_buf *exynos_drm_init_buf(struct drm_device *dev,
unsigned int size);
/* destroy buffer object. */
void exynos_drm_fini_buf(struct drm_device *dev,
struct exynos_drm_gem_buf *buffer);
/* allocate physical memory region and setup sgt. */
int exynos_drm_alloc_buf(struct drm_device *dev,
struct exynos_drm_gem_buf *buf,
unsigned int flags);
/* release physical memory region, and sgt. */
void exynos_drm_free_buf(struct drm_device *dev,
unsigned int flags,
struct exynos_drm_gem_buf *buffer);
#endif