diff options
Diffstat (limited to 'drivers/gpu/host1x/drm/gem.h')
| -rw-r--r-- | drivers/gpu/host1x/drm/gem.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/drm/gem.h b/drivers/gpu/host1x/drm/gem.h new file mode 100644 index 00000000000..34de2b486eb --- /dev/null +++ b/drivers/gpu/host1x/drm/gem.h @@ -0,0 +1,59 @@ +/* + * 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 <drm/drm.h> +#include <drm/drmP.h> + +#include "host1x_bo.h" + +struct tegra_bo { + struct drm_gem_object gem; + struct host1x_bo base; + 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); +struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file, + struct drm_device *drm, + unsigned int size, + unsigned int *handle); +void tegra_bo_free_object(struct drm_gem_object *gem); +unsigned int tegra_bo_get_mmap_offset(struct tegra_bo *bo); +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_bo_dumb_destroy(struct drm_file *file, struct drm_device *drm, + unsigned int handle); + +int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma); + +extern const struct vm_operations_struct tegra_bo_vm_ops; + +#endif |