forked from Minki/linux
db7fbdfd25
The gr3d engine renders images bottom-up. Allow buffers that are used for 3D content to be marked as such and implement support in the display controller to present them properly. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Thierry Reding <treding@nvidia.com>
63 lines
1.9 KiB
C
63 lines
1.9 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 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;
|
|
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);
|
|
}
|
|
|
|
extern const struct host1x_bo_ops tegra_bo_ops;
|
|
|
|
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;
|
|
|
|
#endif
|