1dee8268fSThierry Reding /* 2dee8268fSThierry Reding * Tegra host1x GEM implementation 3dee8268fSThierry Reding * 4dee8268fSThierry Reding * Copyright (c) 2012-2013, NVIDIA Corporation. 5dee8268fSThierry Reding * 6dee8268fSThierry Reding * This program is free software; you can redistribute it and/or modify it 7dee8268fSThierry Reding * under the terms and conditions of the GNU General Public License, 8dee8268fSThierry Reding * version 2, as published by the Free Software Foundation. 9dee8268fSThierry Reding * 10dee8268fSThierry Reding * This program is distributed in the hope it will be useful, but WITHOUT 11dee8268fSThierry Reding * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12dee8268fSThierry Reding * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13dee8268fSThierry Reding * more details. 14dee8268fSThierry Reding * 15dee8268fSThierry Reding * You should have received a copy of the GNU General Public License 16dee8268fSThierry Reding * along with this program. If not, see <http://www.gnu.org/licenses/>. 17dee8268fSThierry Reding */ 18dee8268fSThierry Reding 19dee8268fSThierry Reding #ifndef __HOST1X_GEM_H 20dee8268fSThierry Reding #define __HOST1X_GEM_H 21dee8268fSThierry Reding 22dee8268fSThierry Reding #include <linux/host1x.h> 23dee8268fSThierry Reding 24dee8268fSThierry Reding #include <drm/drm.h> 25dee8268fSThierry Reding #include <drm/drmP.h> 26dee8268fSThierry Reding 27773af77fSThierry Reding #define TEGRA_BO_TILED (1 << 0) 28db7fbdfdSThierry Reding #define TEGRA_BO_BOTTOM_UP (1 << 1) 29773af77fSThierry Reding 30dee8268fSThierry Reding struct tegra_bo { 31dee8268fSThierry Reding struct drm_gem_object gem; 32dee8268fSThierry Reding struct host1x_bo base; 33773af77fSThierry Reding unsigned long flags; 343800391dSThierry Reding struct sg_table *sgt; 35dee8268fSThierry Reding dma_addr_t paddr; 36dee8268fSThierry Reding void *vaddr; 37dee8268fSThierry Reding }; 38dee8268fSThierry Reding 39dee8268fSThierry Reding static inline struct tegra_bo *to_tegra_bo(struct drm_gem_object *gem) 40dee8268fSThierry Reding { 41dee8268fSThierry Reding return container_of(gem, struct tegra_bo, gem); 42dee8268fSThierry Reding } 43dee8268fSThierry Reding 44773af77fSThierry Reding struct tegra_bo *tegra_bo_create(struct drm_device *drm, unsigned int size, 45773af77fSThierry Reding unsigned long flags); 46dee8268fSThierry Reding struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file, 47dee8268fSThierry Reding struct drm_device *drm, 48dee8268fSThierry Reding unsigned int size, 49773af77fSThierry Reding unsigned long flags, 50dee8268fSThierry Reding unsigned int *handle); 51dee8268fSThierry Reding void tegra_bo_free_object(struct drm_gem_object *gem); 52dee8268fSThierry Reding int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm, 53dee8268fSThierry Reding struct drm_mode_create_dumb *args); 54dee8268fSThierry Reding int tegra_bo_dumb_map_offset(struct drm_file *file, struct drm_device *drm, 55dee8268fSThierry Reding uint32_t handle, uint64_t *offset); 56dee8268fSThierry Reding 57dee8268fSThierry Reding int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma); 58dee8268fSThierry Reding 59dee8268fSThierry Reding extern const struct vm_operations_struct tegra_bo_vm_ops; 60dee8268fSThierry Reding 613800391dSThierry Reding struct dma_buf *tegra_gem_prime_export(struct drm_device *drm, 623800391dSThierry Reding struct drm_gem_object *gem, 633800391dSThierry Reding int flags); 643800391dSThierry Reding struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm, 653800391dSThierry Reding struct dma_buf *buf); 663800391dSThierry Reding 67dee8268fSThierry Reding #endif 68