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/*
* 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 and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __HOST1X_GEM_H
#define __HOST1X_GEM_H
#include <linux/host1x.h>
#include <drm/drm.h>
#include <drm/drmP.h>
#define TEGRA_BO_TILED (1 << 0)
#define TEGRA_BO_BOTTOM_UP (1 << 1)
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;
};
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, unsigned int size,
unsigned long flags);
struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file,
struct drm_device *drm,
unsigned int size,
unsigned long flags,
unsigned int *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,
uint32_t handle, uint64_t *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
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