linux-zen-desktop/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h

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2023-08-30 17:31:07 +02:00
/* 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