| #ifndef __NVKM_MEMORY_H__ |
| #define __NVKM_MEMORY_H__ |
| #include <core/os.h> |
| struct nvkm_device; |
| struct nvkm_vma; |
| struct nvkm_vm; |
| |
| enum nvkm_memory_target { |
| NVKM_MEM_TARGET_INST, |
| NVKM_MEM_TARGET_VRAM, |
| NVKM_MEM_TARGET_HOST, |
| }; |
| |
| struct nvkm_memory { |
| const struct nvkm_memory_func *func; |
| }; |
| |
| struct nvkm_memory_func { |
| void *(*dtor)(struct nvkm_memory *); |
| enum nvkm_memory_target (*target)(struct nvkm_memory *); |
| u64 (*addr)(struct nvkm_memory *); |
| u64 (*size)(struct nvkm_memory *); |
| void (*boot)(struct nvkm_memory *, struct nvkm_vm *); |
| void __iomem *(*acquire)(struct nvkm_memory *); |
| void (*release)(struct nvkm_memory *); |
| u32 (*rd32)(struct nvkm_memory *, u64 offset); |
| void (*wr32)(struct nvkm_memory *, u64 offset, u32 data); |
| void (*map)(struct nvkm_memory *, struct nvkm_vma *, u64 offset); |
| }; |
| |
| void nvkm_memory_ctor(const struct nvkm_memory_func *, struct nvkm_memory *); |
| int nvkm_memory_new(struct nvkm_device *, enum nvkm_memory_target, |
| u64 size, u32 align, bool zero, struct nvkm_memory **); |
| void nvkm_memory_del(struct nvkm_memory **); |
| #define nvkm_memory_target(p) (p)->func->target(p) |
| #define nvkm_memory_addr(p) (p)->func->addr(p) |
| #define nvkm_memory_size(p) (p)->func->size(p) |
| #define nvkm_memory_boot(p,v) (p)->func->boot((p),(v)) |
| #define nvkm_memory_map(p,v,o) (p)->func->map((p),(v),(o)) |
| |
| /* accessor macros - kmap()/done() must bracket use of the other accessor |
| * macros to guarantee correct behaviour across all chipsets |
| */ |
| #define nvkm_kmap(o) (o)->func->acquire(o) |
| #define nvkm_ro32(o,a) (o)->func->rd32((o), (a)) |
| #define nvkm_wo32(o,a,d) (o)->func->wr32((o), (a), (d)) |
| #define nvkm_mo32(o,a,m,d) ({ \ |
| u32 _addr = (a), _data = nvkm_ro32((o), _addr); \ |
| nvkm_wo32((o), _addr, (_data & ~(m)) | (d)); \ |
| _data; \ |
| }) |
| #define nvkm_done(o) (o)->func->release(o) |
| #endif |