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/*
* 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>
#include <linux/mm_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, u32 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, u32 flags, u32 *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,
u32 handle, u64 *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);
u64 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);
vm_fault_t omap_gem_fault(struct vm_fault *vmf);
int omap_gem_roll(struct drm_gem_object *obj, u32 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);
u32 omap_gem_flags(struct drm_gem_object *obj);
int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, u32 orient,
int x, int y, dma_addr_t *dma_addr);
int omap_gem_tiled_stride(struct drm_gem_object *obj, u32 orient);
#endif /* __OMAPDRM_GEM_H__ */
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