linux/drivers/gpu/drm/tegra/gem.h

/* 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 …

enum tegra_bo_tiling_mode { … };

enum tegra_bo_sector_layout { … };

struct tegra_bo_tiling { … };

struct tegra_bo { … };

static inline struct tegra_bo *to_tegra_bo(struct drm_gem_object *gem)
{ … }

static inline struct tegra_bo *host1x_to_tegra_bo(struct host1x_bo *bo)
{ … }

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