1 /* exynos_drm_buf.h 2 * 3 * Copyright (c) 2011 Samsung Electronics Co., Ltd. 4 * Author: Inki Dae <inki.dae@samsung.com> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * 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 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 #ifndef _EXYNOS_DRM_BUF_H_ 27 #define _EXYNOS_DRM_BUF_H_ 28 29 /* create and initialize buffer object. */ 30 struct exynos_drm_gem_buf *exynos_drm_init_buf(struct drm_device *dev, 31 unsigned int size); 32 33 /* destroy buffer object. */ 34 void exynos_drm_fini_buf(struct drm_device *dev, 35 struct exynos_drm_gem_buf *buffer); 36 37 /* allocate physical memory region and setup sgt and pages. */ 38 int exynos_drm_alloc_buf(struct drm_device *dev, 39 struct exynos_drm_gem_buf *buf, 40 unsigned int flags); 41 42 /* release physical memory region, sgt and pages. */ 43 void exynos_drm_free_buf(struct drm_device *dev, 44 unsigned int flags, 45 struct exynos_drm_gem_buf *buffer); 46 47 #endif 48