linux-stable/drivers/gpu/drm/tegra/gem.h
Thierry Reding 71c38629d6 drm/tegra: gem: Use more consistent data types
Use size_t consistently for sizes and u32/u64 instead of uint32_t and
uint64_t.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-11-13 16:18:32 +01:00

78 lines
2 KiB
C

/*
* Tegra host1x GEM implementation
*
* Copyright (c) 2012-2013, NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __HOST1X_GEM_H
#define __HOST1X_GEM_H
#include <linux/host1x.h>
#include <drm/drm.h>
#include <drm/drmP.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,
};
struct tegra_bo_tiling {
enum tegra_bo_tiling_mode mode;
unsigned long value;
};
struct tegra_bo {
struct drm_gem_object gem;
struct host1x_bo base;
unsigned long flags;
struct sg_table *sgt;
dma_addr_t paddr;
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);
}
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);
int tegra_bo_dumb_map_offset(struct drm_file *file, struct drm_device *drm,
u32 handle, u64 *offset);
int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma);
extern const struct vm_operations_struct tegra_bo_vm_ops;
struct dma_buf *tegra_gem_prime_export(struct drm_device *drm,
struct drm_gem_object *gem,
int flags);
struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm,
struct dma_buf *buf);
#endif