diff options
Diffstat (limited to 'drivers/gpu/drm/tegra/gem.h')
| -rw-r--r-- | drivers/gpu/drm/tegra/gem.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/gem.h b/drivers/gpu/drm/tegra/gem.h new file mode 100644 index 00000000000..2f3fe96c515 --- /dev/null +++ b/drivers/gpu/drm/tegra/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 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> + +#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 |