projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| de2ba664 AM |
1 | /* |
| 2 | * Tegra host1x GEM implementation | |
| 3 | * | |
| 4 | * Copyright (c) 2012-2013, NVIDIA Corporation. | |
| 5 | * | |
| 9a2ac2dc TR |
6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as | |
| 8 | * published by the Free Software Foundation. | |
| de2ba664 AM |
9 | */ |
| 10 | ||
| 11 | #ifndef __HOST1X_GEM_H | |
| 12 | #define __HOST1X_GEM_H | |
| 13 | ||
| 35d747a8 TR |
14 | #include <linux/host1x.h> |
| 15 | ||
| de2ba664 AM |
16 | #include <drm/drm.h> |
| 17 | #include <drm/drmP.h> | |
| d9fc9413 | 18 | #include <drm/drm_gem.h> |
| de2ba664 | 19 | |
| c134f019 TR |
20 | #define TEGRA_BO_BOTTOM_UP (1 << 0) |
| 21 | ||
| 22 | enum tegra_bo_tiling_mode { | |
| 23 | TEGRA_BO_TILING_MODE_PITCH, | |
| 24 | TEGRA_BO_TILING_MODE_TILED, | |
| 25 | TEGRA_BO_TILING_MODE_BLOCK, | |
| 26 | }; | |
| 27 | ||
| 28 | struct tegra_bo_tiling { | |
| 29 | enum tegra_bo_tiling_mode mode; | |
| 30 | unsigned long value; | |
| 31 | }; | |
| 773af77f | 32 | |
| de2ba664 AM |
33 | struct tegra_bo { |
| 34 | struct drm_gem_object gem; | |
| 35 | struct host1x_bo base; | |
| 773af77f | 36 | unsigned long flags; |
| 3800391d | 37 | struct sg_table *sgt; |
| de2ba664 AM |
38 | dma_addr_t paddr; |
| 39 | void *vaddr; | |
| c134f019 | 40 | |
| df06b759 TR |
41 | struct drm_mm_node *mm; |
| 42 | unsigned long num_pages; | |
| 43 | struct page **pages; | |
| 44 | /* size of IOMMU mapping */ | |
| 45 | size_t size; | |
| 46 | ||
| c134f019 | 47 | struct tegra_bo_tiling tiling; |
| de2ba664 AM |
48 | }; |
| 49 | ||
| 50 | static inline struct tegra_bo *to_tegra_bo(struct drm_gem_object *gem) | |
| 51 | { | |
| 52 | return container_of(gem, struct tegra_bo, gem); | |
| 53 | } | |
| 54 | ||
| 71c38629 | 55 | struct tegra_bo *tegra_bo_create(struct drm_device *drm, size_t size, |
| 773af77f | 56 | unsigned long flags); |
| de2ba664 | 57 | struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file, |
| 773af77f | 58 | struct drm_device *drm, |
| 71c38629 | 59 | size_t size, |
| 773af77f | 60 | unsigned long flags, |
| 71c38629 | 61 | u32 *handle); |
| de2ba664 | 62 | void tegra_bo_free_object(struct drm_gem_object *gem); |
| de2ba664 AM |
63 | int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm, |
| 64 | struct drm_mode_create_dumb *args); | |
| 65 | int tegra_bo_dumb_map_offset(struct drm_file *file, struct drm_device *drm, | |
| 71c38629 | 66 | u32 handle, u64 *offset); |
| de2ba664 AM |
67 | |
| 68 | int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma); | |
| 69 | ||
| 70 | extern const struct vm_operations_struct tegra_bo_vm_ops; | |
| 71 | ||
| 3800391d TR |
72 | struct dma_buf *tegra_gem_prime_export(struct drm_device *drm, |
| 73 | struct drm_gem_object *gem, | |
| 74 | int flags); | |
| 75 | struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm, | |
| 76 | struct dma_buf *buf); | |
| 77 | ||
| de2ba664 | 78 | #endif |