1 /* 2 * Tegra host1x GEM implementation 3 * 4 * Copyright (c) 2012-2013, NVIDIA Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #ifndef __HOST1X_GEM_H 20 #define __HOST1X_GEM_H 21 22 #include <linux/host1x.h> 23 24 #include <drm/drm.h> 25 #include <drm/drmP.h> 26 27 struct tegra_bo { 28 struct drm_gem_object gem; 29 struct host1x_bo base; 30 dma_addr_t paddr; 31 void *vaddr; 32 }; 33 34 static inline struct tegra_bo *to_tegra_bo(struct drm_gem_object *gem) 35 { 36 return container_of(gem, struct tegra_bo, gem); 37 } 38 39 extern const struct host1x_bo_ops tegra_bo_ops; 40 41 struct tegra_bo *tegra_bo_create(struct drm_device *drm, unsigned int size); 42 struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file, 43 struct drm_device *drm, 44 unsigned int size, 45 unsigned int *handle); 46 void tegra_bo_free_object(struct drm_gem_object *gem); 47 int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm, 48 struct drm_mode_create_dumb *args); 49 int tegra_bo_dumb_map_offset(struct drm_file *file, struct drm_device *drm, 50 uint32_t handle, uint64_t *offset); 51 52 int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma); 53 54 extern const struct vm_operations_struct tegra_bo_vm_ops; 55 56 #endif 57