drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h

   1 #ifndef __NVKM_BAR_H__
   2 #define __NVKM_BAR_H__
   3 #include <core/subdev.h>
   4 struct nvkm_vma;
   5
   6 struct nvkm_bar {
   7         const struct nvkm_bar_func *func;
   8         struct nvkm_subdev subdev;
   9
  10         spinlock_t lock;
  11
  12         /* whether the BAR supports to be ioremapped WC or should be uncached */
  13         bool iomap_uncached;
  14 };
  15
  16 void nvkm_bar_flush(struct nvkm_bar *);
  17 struct nvkm_vm *nvkm_bar_kmap(struct nvkm_bar *);
  18 int nvkm_bar_umap(struct nvkm_bar *, u64 size, int type, struct nvkm_vma *);
  19
  20 int nv50_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  21 int g84_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  22 int gf100_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  23 int gk20a_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  24 #endif