/* * 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; bool mapped; 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 *); 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