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/*
* 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
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# include <drm/drm_gem.h>
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/* 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_device * dev , struct drm_file * dfile , unsigned handle )
{
struct drm_gem_object * obj = drm_gem_object_lookup ( dev , dfile , handle ) ;
return obj ? drm_to_armada_gem ( obj ) : NULL ;
}
# endif
