1 #ifndef __NVKM_MEMORY_H__
2 #define __NVKM_MEMORY_H__
8 enum nvkm_memory_target {
15 const struct nvkm_memory_func *func;
18 struct nvkm_memory_func {
19 void *(*dtor)(struct nvkm_memory *);
20 enum nvkm_memory_target (*target)(struct nvkm_memory *);
21 u64 (*addr)(struct nvkm_memory *);
22 u64 (*size)(struct nvkm_memory *);
23 void (*boot)(struct nvkm_memory *, struct nvkm_vm *);
24 void __iomem *(*acquire)(struct nvkm_memory *);
25 void (*release)(struct nvkm_memory *);
26 u32 (*rd32)(struct nvkm_memory *, u64 offset);
27 void (*wr32)(struct nvkm_memory *, u64 offset, u32 data);
28 void (*map)(struct nvkm_memory *, struct nvkm_vma *, u64 offset);
31 void nvkm_memory_ctor(const struct nvkm_memory_func *, struct nvkm_memory *);
32 int nvkm_memory_new(struct nvkm_device *, enum nvkm_memory_target,
33 u64 size, u32 align, bool zero, struct nvkm_memory **);
34 void nvkm_memory_del(struct nvkm_memory **);
35 #define nvkm_memory_target(p) (p)->func->target(p)
36 #define nvkm_memory_addr(p) (p)->func->addr(p)
37 #define nvkm_memory_size(p) (p)->func->size(p)
38 #define nvkm_memory_boot(p,v) (p)->func->boot((p),(v))
39 #define nvkm_memory_map(p,v,o) (p)->func->map((p),(v),(o))
41 /* accessor macros - kmap()/done() must bracket use of the other accessor
42 * macros to guarantee correct behaviour across all chipsets
44 #define nvkm_kmap(o) (o)->func->acquire(o)
45 #define nvkm_ro32(o,a) (o)->func->rd32((o), (a))
46 #define nvkm_wo32(o,a,d) (o)->func->wr32((o), (a), (d))
47 #define nvkm_mo32(o,a,m,d) ({ \
48 u32 _addr = (a), _data = nvkm_ro32((o), _addr); \
49 nvkm_wo32((o), _addr, (_data & ~(m)) | (d)); \
52 #define nvkm_done(o) (o)->func->release(o)