bar.h revision 1.2 
1/*	$NetBSD: bar.h,v 1.2 2018/08/27 04:58:30 riastradh Exp $	*/
2
3#ifndef __NVKM_BAR_H__
4#define __NVKM_BAR_H__
5#include <core/subdev.h>
6struct nvkm_vma;
7
8struct nvkm_bar {
9	const struct nvkm_bar_func *func;
10	struct nvkm_subdev subdev;
11
12	spinlock_t lock;
13
14	/* whether the BAR supports to be ioremapped WC or should be uncached */
15	bool iomap_uncached;
16};
17
18void nvkm_bar_flush(struct nvkm_bar *);
19struct nvkm_vm *nvkm_bar_kmap(struct nvkm_bar *);
20int nvkm_bar_umap(struct nvkm_bar *, u64 size, int type, struct nvkm_vma *);
21
22int nv50_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
23int g84_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
24int gf100_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
25int gk20a_bar_new(struct nvkm_device *, int, struct nvkm_bar **);
26#endif
27