Contributors: 6
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Thierry Reding |
134 |
43.09% |
11 |
68.75% |
| Arto Merilainen |
133 |
42.77% |
1 |
6.25% |
| Dmitry Osipenko |
25 |
8.04% |
1 |
6.25% |
| Mikko Perttunen |
14 |
4.50% |
1 |
6.25% |
| Daniel Vetter |
3 |
0.96% |
1 |
6.25% |
| Thomas Gleixner |
2 |
0.64% |
1 |
6.25% |
| Total |
311 |
|
16 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Tegra host1x GEM implementation
*
* Copyright (c) 2012-2013, NVIDIA Corporation.
*/
#ifndef __HOST1X_GEM_H
#define __HOST1X_GEM_H
#include <linux/host1x.h>
#include <drm/drm.h>
#include <drm/drm_gem.h>
#define TEGRA_BO_BOTTOM_UP (1 << 0)
enum tegra_bo_tiling_mode {
TEGRA_BO_TILING_MODE_PITCH,
TEGRA_BO_TILING_MODE_TILED,
TEGRA_BO_TILING_MODE_BLOCK,
};
enum tegra_bo_sector_layout {
TEGRA_BO_SECTOR_LAYOUT_TEGRA,
TEGRA_BO_SECTOR_LAYOUT_GPU,
};
struct tegra_bo_tiling {
enum tegra_bo_tiling_mode mode;
unsigned long value;
enum tegra_bo_sector_layout sector_layout;
};
struct tegra_bo {
struct drm_gem_object gem;
struct host1x_bo base;
unsigned long flags;
struct sg_table *sgt;
dma_addr_t iova;
void *vaddr;
struct drm_mm_node *mm;
unsigned long num_pages;
struct page **pages;
/* size of IOMMU mapping */
size_t size;
struct tegra_bo_tiling tiling;
};
static inline struct tegra_bo *to_tegra_bo(struct drm_gem_object *gem)
{
return container_of(gem, struct tegra_bo, gem);
}
static inline struct tegra_bo *host1x_to_tegra_bo(struct host1x_bo *bo)
{
return container_of(bo, struct tegra_bo, base);
}
struct tegra_bo *tegra_bo_create(struct drm_device *drm, size_t size,
unsigned long flags);
struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file,
struct drm_device *drm,
size_t size,
unsigned long flags,
u32 *handle);
void tegra_bo_free_object(struct drm_gem_object *gem);
int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm,
struct drm_mode_create_dumb *args);
extern const struct vm_operations_struct tegra_bo_vm_ops;
int __tegra_gem_mmap(struct drm_gem_object *gem, struct vm_area_struct *vma);
int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma);
struct dma_buf *tegra_gem_prime_export(struct drm_gem_object *gem,
int flags);
struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm,
struct dma_buf *buf);
struct host1x_bo *tegra_gem_lookup(struct drm_file *file, u32 handle);
#endif