LXR linux/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>
   5struct nvkm_vma;
   6
   7struct 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
  18struct nvkm_vmm *nvkm_bar_bar1_vmm(struct nvkm_device *);
  19void nvkm_bar_bar1_reset(struct nvkm_device *);
  20void nvkm_bar_bar2_init(struct nvkm_device *);
  21void nvkm_bar_bar2_fini(struct nvkm_device *);
  22void nvkm_bar_bar2_reset(struct nvkm_device *);
  23struct nvkm_vmm *nvkm_bar_bar2_vmm(struct nvkm_device *);
  24void nvkm_bar_flush(struct nvkm_bar *);
  25
  26int nv50_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  27int g84_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  28int gf100_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  29int gk20a_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  30int gm107_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  31int gm20b_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  32int tu102_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
  33#endif
  34