| Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 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 | |
| Thierry Reding | 35d747a | 2013-09-24 16:30:32 +0200 | [diff] [blame] | 22 | #include <linux/host1x.h> |
| 23 | |
| Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 24 | #include <drm/drm.h> |
| 25 | #include <drm/drmP.h> |
| 26 | |
| Thierry Reding | db7fbdf | 2013-10-07 09:47:58 +0200 | [diff] [blame] | 27 | #define TEGRA_BO_TILED (1 << 0) |
| 28 | #define TEGRA_BO_BOTTOM_UP (1 << 1) |
| Thierry Reding | 773af77 | 2013-10-04 22:34:01 +0200 | [diff] [blame] | 29 | |
| Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 30 | struct tegra_bo { |
| 31 | struct drm_gem_object gem; |
| 32 | struct host1x_bo base; |
| Thierry Reding | 773af77 | 2013-10-04 22:34:01 +0200 | [diff] [blame] | 33 | unsigned long flags; |
| Thierry Reding | 3800391 | 2013-12-12 10:00:43 +0100 | [diff] [blame] | 34 | struct sg_table *sgt; |
| Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 35 | dma_addr_t paddr; |
| 36 | void *vaddr; |
| 37 | }; |
| 38 | |
| 39 | static inline struct tegra_bo *to_tegra_bo(struct drm_gem_object *gem) |
| 40 | { |
| 41 | return container_of(gem, struct tegra_bo, gem); |
| 42 | } |
| 43 | |
| Thierry Reding | 773af77 | 2013-10-04 22:34:01 +0200 | [diff] [blame] | 44 | struct tegra_bo *tegra_bo_create(struct drm_device *drm, unsigned int size, |
| 45 | unsigned long flags); |
| Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 46 | struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file, |
| Thierry Reding | 773af77 | 2013-10-04 22:34:01 +0200 | [diff] [blame] | 47 | struct drm_device *drm, |
| 48 | unsigned int size, |
| 49 | unsigned long flags, |
| 50 | unsigned int *handle); |
| Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 51 | void tegra_bo_free_object(struct drm_gem_object *gem); |
| Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 52 | int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm, |
| 53 | struct drm_mode_create_dumb *args); |
| 54 | int tegra_bo_dumb_map_offset(struct drm_file *file, struct drm_device *drm, |
| 55 | uint32_t handle, uint64_t *offset); |
| Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 56 | |
| 57 | int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma); |
| 58 | |
| 59 | extern const struct vm_operations_struct tegra_bo_vm_ops; |
| 60 | |
| Thierry Reding | 3800391 | 2013-12-12 10:00:43 +0100 | [diff] [blame] | 61 | struct dma_buf *tegra_gem_prime_export(struct drm_device *drm, |
| 62 | struct drm_gem_object *gem, |
| 63 | int flags); |
| 64 | struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm, |
| 65 | struct dma_buf *buf); |
| 66 | |
| Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 67 | #endif |