diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_gem.h')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_gem.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_gem.h b/drivers/gpu/drm/omapdrm/omap_gem.h new file mode 100644 index 000000000000..35fa690b3d90 --- /dev/null +++ b/drivers/gpu/drm/omapdrm/omap_gem.h @@ -0,0 +1,99 @@ +/* + * omap_gem.h -- OMAP DRM GEM Object Management + * + * Copyright (C) 2011 Texas Instruments + * Author: Rob Clark <rob@ti.com> + * + * 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. + * + * This program is distributed in the hope that 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 __OMAPDRM_GEM_H__ +#define __OMAPDRM_GEM_H__ + +#include <linux/types.h> + +enum dma_data_direction; + +struct dma_buf; +struct drm_device; +struct drm_file; +struct drm_gem_object; +struct drm_mode_create_dumb; +struct file; +struct list_head; +struct page; +struct seq_file; +struct vm_area_struct; +struct vm_fault; + +union omap_gem_size; + +/* Initialization and Cleanup */ +void omap_gem_init(struct drm_device *dev); +void omap_gem_deinit(struct drm_device *dev); + +#ifdef CONFIG_PM +int omap_gem_resume(struct drm_device *dev); +#endif + +#ifdef CONFIG_DEBUG_FS +void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m); +void omap_gem_describe_objects(struct list_head *list, struct seq_file *m); +#endif + +/* GEM Object Creation and Deletion */ +struct drm_gem_object *omap_gem_new(struct drm_device *dev, + union omap_gem_size gsize, uint32_t flags); +struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size, + struct sg_table *sgt); +int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file, + union omap_gem_size gsize, uint32_t flags, uint32_t *handle); +void omap_gem_free_object(struct drm_gem_object *obj); +void *omap_gem_vaddr(struct drm_gem_object *obj); + +/* Dumb Buffers Interface */ +int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, + uint32_t handle, uint64_t *offset); +int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev, + struct drm_mode_create_dumb *args); + +/* mmap() Interface */ +int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma); +int omap_gem_mmap_obj(struct drm_gem_object *obj, + struct vm_area_struct *vma); +uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj); +size_t omap_gem_mmap_size(struct drm_gem_object *obj); + +/* PRIME Interface */ +struct dma_buf *omap_gem_prime_export(struct drm_device *dev, + struct drm_gem_object *obj, int flags); +struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev, + struct dma_buf *buffer); + +int omap_gem_fault(struct vm_fault *vmf); +int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll); +void omap_gem_cpu_sync_page(struct drm_gem_object *obj, int pgoff); +void omap_gem_dma_sync_buffer(struct drm_gem_object *obj, + enum dma_data_direction dir); +int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr); +void omap_gem_unpin(struct drm_gem_object *obj); +int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages, + bool remap); +int omap_gem_put_pages(struct drm_gem_object *obj); + +uint32_t omap_gem_flags(struct drm_gem_object *obj); +int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, uint32_t orient, + int x, int y, dma_addr_t *dma_addr); +int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient); + +#endif /* __OMAPDRM_GEM_H__ */ |