196f60e37SRussell King /* 296f60e37SRussell King * Copyright (C) 2012 Russell King 396f60e37SRussell King * 496f60e37SRussell King * This program is free software; you can redistribute it and/or modify 596f60e37SRussell King * it under the terms of the GNU General Public License version 2 as 696f60e37SRussell King * published by the Free Software Foundation. 796f60e37SRussell King */ 896f60e37SRussell King #ifndef ARMADA_GEM_H 996f60e37SRussell King #define ARMADA_GEM_H 1096f60e37SRussell King 11*d9fc9413SDaniel Vetter #include <drm/drm_gem.h> 12*d9fc9413SDaniel Vetter 1396f60e37SRussell King /* GEM */ 1496f60e37SRussell King struct armada_gem_object { 1596f60e37SRussell King struct drm_gem_object obj; 1696f60e37SRussell King void *addr; 1796f60e37SRussell King phys_addr_t phys_addr; 1896f60e37SRussell King resource_size_t dev_addr; 1996f60e37SRussell King struct drm_mm_node *linear; /* for linear backed */ 2096f60e37SRussell King struct page *page; /* for page backed */ 2196f60e37SRussell King struct sg_table *sgt; /* for imported */ 2296f60e37SRussell King void (*update)(void *); 2396f60e37SRussell King void *update_data; 2496f60e37SRussell King }; 2596f60e37SRussell King 2696f60e37SRussell King extern const struct vm_operations_struct armada_gem_vm_ops; 2796f60e37SRussell King 2896f60e37SRussell King #define drm_to_armada_gem(o) container_of(o, struct armada_gem_object, obj) 2996f60e37SRussell King 3096f60e37SRussell King void armada_gem_free_object(struct drm_gem_object *); 3196f60e37SRussell King int armada_gem_linear_back(struct drm_device *, struct armada_gem_object *); 3296f60e37SRussell King void *armada_gem_map_object(struct drm_device *, struct armada_gem_object *); 3396f60e37SRussell King struct armada_gem_object *armada_gem_alloc_private_object(struct drm_device *, 3496f60e37SRussell King size_t); 3596f60e37SRussell King int armada_gem_dumb_create(struct drm_file *, struct drm_device *, 3696f60e37SRussell King struct drm_mode_create_dumb *); 3796f60e37SRussell King int armada_gem_dumb_map_offset(struct drm_file *, struct drm_device *, 3896f60e37SRussell King uint32_t, uint64_t *); 3996f60e37SRussell King int armada_gem_dumb_destroy(struct drm_file *, struct drm_device *, 4096f60e37SRussell King uint32_t); 4196f60e37SRussell King struct dma_buf *armada_gem_prime_export(struct drm_device *dev, 4296f60e37SRussell King struct drm_gem_object *obj, int flags); 4396f60e37SRussell King struct drm_gem_object *armada_gem_prime_import(struct drm_device *, 4496f60e37SRussell King struct dma_buf *); 4596f60e37SRussell King int armada_gem_map_import(struct armada_gem_object *); 4696f60e37SRussell King 4796f60e37SRussell King static inline struct armada_gem_object *armada_gem_object_lookup( 4896f60e37SRussell King struct drm_device *dev, struct drm_file *dfile, unsigned handle) 4996f60e37SRussell King { 5096f60e37SRussell King struct drm_gem_object *obj = drm_gem_object_lookup(dev, dfile, handle); 5196f60e37SRussell King 5296f60e37SRussell King return obj ? drm_to_armada_gem(obj) : NULL; 5396f60e37SRussell King } 5496f60e37SRussell King #endif 55