1
2#ifndef __NVKM_MEMORY_H__
3#define __NVKM_MEMORY_H__
4#include <core/os.h>
5struct nvkm_device;
6struct nvkm_vma;
7struct nvkm_vm;
8
9enum nvkm_memory_target {
10 NVKM_MEM_TARGET_INST,
11 NVKM_MEM_TARGET_VRAM,
12 NVKM_MEM_TARGET_HOST,
13 NVKM_MEM_TARGET_NCOH,
14};
15
16struct nvkm_memory {
17 const struct nvkm_memory_func *func;
18};
19
20struct nvkm_memory_func {
21 void *(*dtor)(struct nvkm_memory *);
22 enum nvkm_memory_target (*target)(struct nvkm_memory *);
23 u64 (*addr)(struct nvkm_memory *);
24 u64 (*size)(struct nvkm_memory *);
25 void (*boot)(struct nvkm_memory *, struct nvkm_vm *);
26 void __iomem *(*acquire)(struct nvkm_memory *);
27 void (*release)(struct nvkm_memory *);
28 u32 (*rd32)(struct nvkm_memory *, u64 offset);
29 void (*wr32)(struct nvkm_memory *, u64 offset, u32 data);
30 void (*map)(struct nvkm_memory *, struct nvkm_vma *, u64 offset);
31};
32
33void nvkm_memory_ctor(const struct nvkm_memory_func *, struct nvkm_memory *);
34int nvkm_memory_new(struct nvkm_device *, enum nvkm_memory_target,
35 u64 size, u32 align, bool zero, struct nvkm_memory **);
36void nvkm_memory_del(struct nvkm_memory **);
37#define nvkm_memory_target(p) (p)->func->target(p)
38#define nvkm_memory_addr(p) (p)->func->addr(p)
39#define nvkm_memory_size(p) (p)->func->size(p)
40#define nvkm_memory_boot(p,v) (p)->func->boot((p),(v))
41#define nvkm_memory_map(p,v,o) (p)->func->map((p),(v),(o))
42
43
44
45
46#define nvkm_kmap(o) (o)->func->acquire(o)
47#define nvkm_ro32(o,a) (o)->func->rd32((o), (a))
48#define nvkm_wo32(o,a,d) (o)->func->wr32((o), (a), (d))
49#define nvkm_mo32(o,a,m,d) ({ \
50 u32 _addr = (a), _data = nvkm_ro32((o), _addr); \
51 nvkm_wo32((o), _addr, (_data & ~(m)) | (d)); \
52 _data; \
53})
54#define nvkm_done(o) (o)->func->release(o)
55#endif
56