[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / nouveau / include / nvkm / subdev / bar.h

/* SPDX-License-Identifier: GPL-2.0 */
#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
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
245dcfe9 BS	2	#ifndef __NVKM_BAR_H__
245dcfe9 BS	3	#define __NVKM_BAR_H__
3863c9bc	4	#include <core/subdev.h>
245dcfe9	5	struct nvkm_vma;
3863c9bc	6
245dcfe9	7	struct nvkm_bar {
32932281	8	const struct nvkm_bar_func *func;
5b0c189f	9	struct nvkm_subdev subdev;
3863c9bc	10
32932281	11	spinlock_t lock;
e2a4e78c AC	12
	13	/* whether the BAR supports to be ioremapped WC or should be uncached */
	14	bool iomap_uncached;
3863c9bc BS	15	};
3863c9bc BS	16
32932281 BS	17	void nvkm_bar_flush(struct nvkm_bar *);
	18	struct nvkm_vm nvkm_bar_kmap(struct nvkm_bar );
	19	int nvkm_bar_umap(struct nvkm_bar , u64 size, int type, struct nvkm_vma );
3863c9bc	20
32932281 BS	21	int nv50_bar_new(struct nvkm_device , int, struct nvkm_bar *);
	22	int g84_bar_new(struct nvkm_device , int, struct nvkm_bar *);
	23	int gf100_bar_new(struct nvkm_device , int, struct nvkm_bar *);
	24	int gk20a_bar_new(struct nvkm_device , int, struct nvkm_bar *);
3863c9bc	25	#endif