aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/core/include/subdev/bar.h
blob: 9faa98e67ad8c9057273eff0a7fc0f145799abf8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
#ifndef __NOUVEAU_BAR_H__
#define __NOUVEAU_BAR_H__

#include <core/subdev.h>
#include <core/device.h>

struct nouveau_mem;
struct nouveau_vma;

struct nouveau_bar {
	struct nouveau_subdev base;

	int (*alloc)(struct nouveau_bar *, struct nouveau_object *,
		     struct nouveau_mem *, struct nouveau_object **);
	void __iomem *iomem;

	int (*kmap)(struct nouveau_bar *, struct nouveau_mem *,
		    u32 flags, struct nouveau_vma *);
	int (*umap)(struct nouveau_bar *, struct nouveau_mem *,
		    u32 flags, struct nouveau_vma *);
	void (*unmap)(struct nouveau_bar *, struct nouveau_vma *);
	void (*flush)(struct nouveau_bar *);
};

static inline struct nouveau_bar *
nouveau_bar(void *obj)
{
	return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_BAR];
}

extern struct nouveau_oclass nv50_bar_oclass;
extern struct nouveau_oclass nvc0_bar_oclass;

#endif