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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NVKM_BAR_H__
   3 #define __NVKM_BAR_H__
   4 #include <core/subdev.h>
   5 struct nvkm_vma;
   6
   7 struct nvkm_bar {
   8         const struct nvkm_bar_func *func;
   9         struct nvkm_subdev subdev;
  10
  11         spinlock_t lock;
  12         bool bar2;
  13
  14         /* whether the BAR supports to be ioremapped WC or should be uncached */
  15         bool iomap_uncached;
  16 };
  17
  18 struct nvkm_vmm *nvkm_bar_bar1_vmm(struct nvkm_device *);
  19 void nvkm_bar_bar2_init(struct nvkm_device *);
  20 void nvkm_bar_bar2_fini(struct nvkm_device *);
  21 struct nvkm_vmm *nvkm_bar_bar2_vmm(struct nvkm_device *);
  22 void nvkm_bar_flush(struct nvkm_bar *);
  23
  24 int nv50_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  25 int g84_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  26 int gf100_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  27 int gk20a_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  28 int gm107_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  29 int gm20b_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  30 #endif