diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h new file mode 100644 index 000000000000..c7a007b8bc10 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h @@ -0,0 +1,33 @@ +#ifndef __NVKM_BAR_H__ +#define __NVKM_BAR_H__ +#include <core/subdev.h> +struct nvkm_mem; +struct nvkm_vma; + +struct nvkm_bar { + struct nvkm_subdev base; + + int (*alloc)(struct nvkm_bar *, struct nvkm_object *, + struct nvkm_mem *, struct nvkm_object **); + + int (*kmap)(struct nvkm_bar *, struct nvkm_mem *, u32 flags, + struct nvkm_vma *); + int (*umap)(struct nvkm_bar *, struct nvkm_mem *, u32 flags, + struct nvkm_vma *); + void (*unmap)(struct nvkm_bar *, struct nvkm_vma *); + void (*flush)(struct nvkm_bar *); + + /* whether the BAR supports to be ioremapped WC or should be uncached */ + bool iomap_uncached; +}; + +static inline struct nvkm_bar * +nvkm_bar(void *obj) +{ + return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_BAR); +} + +extern struct nvkm_oclass nv50_bar_oclass; +extern struct nvkm_oclass gf100_bar_oclass; +extern struct nvkm_oclass gk20a_bar_oclass; +#endif |