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kernel/linux-rt-4.4.41/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h 726 Bytes
5113f6f70   김현기   kernel add
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  #ifndef __NVKM_BAR_H__
  #define __NVKM_BAR_H__
  #include <core/subdev.h>
  struct nvkm_vma;
  
  struct nvkm_bar {
  	const struct nvkm_bar_func *func;
  	struct nvkm_subdev subdev;
  
  	spinlock_t lock;
  
  	/* whether the BAR supports to be ioremapped WC or should be uncached */
  	bool iomap_uncached;
  };
  
  void nvkm_bar_flush(struct nvkm_bar *);
  struct nvkm_vm *nvkm_bar_kmap(struct nvkm_bar *);
  int nvkm_bar_umap(struct nvkm_bar *, u64 size, int type, struct nvkm_vma *);
  
  int nv50_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  int g84_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  int gf100_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  int gk20a_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  #endif