| /* |
| * Copyright (C) 2012 Russell King |
| * |
| * 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 ARMADA_GEM_H |
| #define ARMADA_GEM_H |
| |
| #include <drm/drm_gem.h> |
| |
| /* GEM */ |
| struct armada_gem_object { |
| struct drm_gem_object obj; |
| void *addr; |
| phys_addr_t phys_addr; |
| resource_size_t dev_addr; |
| struct drm_mm_node *linear; /* for linear backed */ |
| struct page *page; /* for page backed */ |
| struct sg_table *sgt; /* for imported */ |
| void (*update)(void *); |
| void *update_data; |
| }; |
| |
| extern const struct vm_operations_struct armada_gem_vm_ops; |
| |
| #define drm_to_armada_gem(o) container_of(o, struct armada_gem_object, obj) |
| |
| void armada_gem_free_object(struct drm_gem_object *); |
| int armada_gem_linear_back(struct drm_device *, struct armada_gem_object *); |
| void *armada_gem_map_object(struct drm_device *, struct armada_gem_object *); |
| struct armada_gem_object *armada_gem_alloc_private_object(struct drm_device *, |
| size_t); |
| int armada_gem_dumb_create(struct drm_file *, struct drm_device *, |
| struct drm_mode_create_dumb *); |
| int armada_gem_dumb_map_offset(struct drm_file *, struct drm_device *, |
| uint32_t, uint64_t *); |
| int armada_gem_dumb_destroy(struct drm_file *, struct drm_device *, |
| uint32_t); |
| struct dma_buf *armada_gem_prime_export(struct drm_device *dev, |
| struct drm_gem_object *obj, int flags); |
| struct drm_gem_object *armada_gem_prime_import(struct drm_device *, |
| struct dma_buf *); |
| int armada_gem_map_import(struct armada_gem_object *); |
| |
| static inline struct armada_gem_object *armada_gem_object_lookup( |
| struct drm_file *dfile, unsigned handle) |
| { |
| struct drm_gem_object *obj = drm_gem_object_lookup(dfile, handle); |
| |
| return obj ? drm_to_armada_gem(obj) : NULL; |
| } |
| #endif |