| Russell King | 96f60e3 | 2012-08-15 13:59:49 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 Russell King |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | */ |
| 8 | #ifndef ARMADA_GEM_H |
| 9 | #define ARMADA_GEM_H |
| 10 | |
| 11 | /* GEM */ |
| 12 | struct armada_gem_object { |
| 13 | struct drm_gem_object obj; |
| 14 | void *addr; |
| 15 | phys_addr_t phys_addr; |
| 16 | resource_size_t dev_addr; |
| 17 | struct drm_mm_node *linear; /* for linear backed */ |
| 18 | struct page *page; /* for page backed */ |
| 19 | struct sg_table *sgt; /* for imported */ |
| 20 | void (*update)(void *); |
| 21 | void *update_data; |
| 22 | }; |
| 23 | |
| 24 | extern const struct vm_operations_struct armada_gem_vm_ops; |
| 25 | |
| 26 | #define drm_to_armada_gem(o) container_of(o, struct armada_gem_object, obj) |
| 27 | |
| 28 | void armada_gem_free_object(struct drm_gem_object *); |
| 29 | int armada_gem_linear_back(struct drm_device *, struct armada_gem_object *); |
| 30 | void *armada_gem_map_object(struct drm_device *, struct armada_gem_object *); |
| 31 | struct armada_gem_object *armada_gem_alloc_private_object(struct drm_device *, |
| 32 | size_t); |
| 33 | int armada_gem_dumb_create(struct drm_file *, struct drm_device *, |
| 34 | struct drm_mode_create_dumb *); |
| 35 | int armada_gem_dumb_map_offset(struct drm_file *, struct drm_device *, |
| 36 | uint32_t, uint64_t *); |
| 37 | int armada_gem_dumb_destroy(struct drm_file *, struct drm_device *, |
| 38 | uint32_t); |
| 39 | struct dma_buf *armada_gem_prime_export(struct drm_device *dev, |
| 40 | struct drm_gem_object *obj, int flags); |
| 41 | struct drm_gem_object *armada_gem_prime_import(struct drm_device *, |
| 42 | struct dma_buf *); |
| 43 | int armada_gem_map_import(struct armada_gem_object *); |
| 44 | |
| 45 | static inline struct armada_gem_object *armada_gem_object_lookup( |
| 46 | struct drm_device *dev, struct drm_file *dfile, unsigned handle) |
| 47 | { |
| 48 | struct drm_gem_object *obj = drm_gem_object_lookup(dev, dfile, handle); |
| 49 | |
| 50 | return obj ? drm_to_armada_gem(obj) : NULL; |
| 51 | } |
| 52 | #endif |