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 000000000..4f07836ab --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: MIT */ +#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; + bool bar2; + + /* whether the BAR supports to be ioremapped WC or should be uncached */ + bool iomap_uncached; +}; + +struct nvkm_vmm *nvkm_bar_bar1_vmm(struct nvkm_device *); +void nvkm_bar_bar1_reset(struct nvkm_device *); +void nvkm_bar_bar2_init(struct nvkm_device *); +void nvkm_bar_bar2_fini(struct nvkm_device *); +void nvkm_bar_bar2_reset(struct nvkm_device *); +struct nvkm_vmm *nvkm_bar_bar2_vmm(struct nvkm_device *); +void nvkm_bar_flush(struct nvkm_bar *); + +int nv50_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **); +int g84_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **); +int gf100_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **); +int gk20a_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **); +int gm107_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **); +int gm20b_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **); +int tu102_bar_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_bar **); +#endif |