diff options
Diffstat (limited to 'drivers/gpu/drm/armada/armada_gem.h')
| -rw-r--r-- | drivers/gpu/drm/armada/armada_gem.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/gpu/drm/armada/armada_gem.h b/drivers/gpu/drm/armada/armada_gem.h new file mode 100644 index 000000000..ffcc7e8dd --- /dev/null +++ b/drivers/gpu/drm/armada/armada_gem.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2012 Russell King + */ +#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; +}; + +#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_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 |