diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/gtt.h')
| -rw-r--r-- | drivers/gpu/drm/gma500/gtt.h | 37 |
1 files changed, 13 insertions, 24 deletions
diff --git a/drivers/gpu/drm/gma500/gtt.h b/drivers/gpu/drm/gma500/gtt.h index 2bf165849ebe..d5a5fd4466c1 100644 --- a/drivers/gpu/drm/gma500/gtt.h +++ b/drivers/gpu/drm/gma500/gtt.h @@ -10,6 +10,8 @@ #include <drm/drm_gem.h> +struct drm_psb_private; + /* This wants cleaning up with respect to the psb_dev and un-needed stuff */ struct psb_gtt { uint32_t gatt_start; @@ -20,33 +22,20 @@ struct psb_gtt { unsigned gatt_pages; unsigned long stolen_size; unsigned long vram_stolen_size; - struct rw_semaphore sem; }; /* Exported functions */ -extern int psb_gtt_init(struct drm_device *dev, int resume); -extern void psb_gtt_takedown(struct drm_device *dev); - -/* Each gtt_range describes an allocation in the GTT area */ -struct gtt_range { - struct resource resource; /* Resource for our allocation */ - u32 offset; /* GTT offset of our object */ - struct drm_gem_object gem; /* GEM high level stuff */ - int in_gart; /* Currently in the GART (ref ct) */ - bool stolen; /* Backed from stolen RAM */ - bool mmapping; /* Is mmappable */ - struct page **pages; /* Backing pages if present */ - int npage; /* Number of backing pages */ -}; +int psb_gtt_init(struct drm_device *dev); +void psb_gtt_fini(struct drm_device *dev); +int psb_gtt_resume(struct drm_device *dev); + +int psb_gtt_allocate_resource(struct drm_psb_private *pdev, struct resource *res, + const char *name, resource_size_t size, resource_size_t align, + bool stolen, u32 *offset); -#define to_gtt_range(x) container_of(x, struct gtt_range, gem) +uint32_t psb_gtt_mask_pte(uint32_t pfn, int type); +void psb_gtt_insert_pages(struct drm_psb_private *pdev, const struct resource *res, + struct page **pages); +void psb_gtt_remove_pages(struct drm_psb_private *pdev, const struct resource *res); -extern struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len, - const char *name, int backed, - u32 align); -extern void psb_gtt_kref_put(struct gtt_range *gt); -extern void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt); -extern int psb_gtt_pin(struct gtt_range *gt); -extern void psb_gtt_unpin(struct gtt_range *gt); -extern int psb_gtt_restore(struct drm_device *dev); #endif |