1 #ifndef __NVKM_MEMORY_H__
2 #define __NVKM_MEMORY_H__
9 struct nvkm_mm_node *mn;
13 enum nvkm_memory_target {
14 NVKM_MEM_TARGET_INST, /* instance memory */
15 NVKM_MEM_TARGET_VRAM, /* video memory */
16 NVKM_MEM_TARGET_HOST, /* coherent system memory */
17 NVKM_MEM_TARGET_NCOH, /* non-coherent system memory */
21 const struct nvkm_memory_func *func;
22 const struct nvkm_memory_ptrs *ptrs;
24 struct nvkm_tags *tags;
27 struct nvkm_memory_func {
28 void *(*dtor)(struct nvkm_memory *);
29 enum nvkm_memory_target (*target)(struct nvkm_memory *);
30 u8 (*page)(struct nvkm_memory *);
31 u64 (*addr)(struct nvkm_memory *);
32 u64 (*size)(struct nvkm_memory *);
33 void (*boot)(struct nvkm_memory *, struct nvkm_vmm *);
34 void __iomem *(*acquire)(struct nvkm_memory *);
35 void (*release)(struct nvkm_memory *);
36 int (*map)(struct nvkm_memory *, u64 offset, struct nvkm_vmm *,
37 struct nvkm_vma *, void *argv, u32 argc);
40 struct nvkm_memory_ptrs {
41 u32 (*rd32)(struct nvkm_memory *, u64 offset);
42 void (*wr32)(struct nvkm_memory *, u64 offset, u32 data);
45 void nvkm_memory_ctor(const struct nvkm_memory_func *, struct nvkm_memory *);
46 int nvkm_memory_new(struct nvkm_device *, enum nvkm_memory_target,
47 u64 size, u32 align, bool zero, struct nvkm_memory **);
48 struct nvkm_memory *nvkm_memory_ref(struct nvkm_memory *);
49 void nvkm_memory_unref(struct nvkm_memory **);
50 int nvkm_memory_tags_get(struct nvkm_memory *, struct nvkm_device *, u32 tags,
51 void (*clear)(struct nvkm_device *, u32, u32),
53 void nvkm_memory_tags_put(struct nvkm_memory *, struct nvkm_device *,
56 #define nvkm_memory_target(p) (p)->func->target(p)
57 #define nvkm_memory_page(p) (p)->func->page(p)
58 #define nvkm_memory_addr(p) (p)->func->addr(p)
59 #define nvkm_memory_size(p) (p)->func->size(p)
60 #define nvkm_memory_boot(p,v) (p)->func->boot((p),(v))
61 #define nvkm_memory_map(p,o,vm,va,av,ac) \
62 (p)->func->map((p),(o),(vm),(va),(av),(ac))
64 /* accessor macros - kmap()/done() must bracket use of the other accessor
65 * macros to guarantee correct behaviour across all chipsets
67 #define nvkm_kmap(o) (o)->func->acquire(o)
68 #define nvkm_done(o) (o)->func->release(o)
70 #define nvkm_ro32(o,a) (o)->ptrs->rd32((o), (a))
71 #define nvkm_wo32(o,a,d) (o)->ptrs->wr32((o), (a), (d))
72 #define nvkm_mo32(o,a,m,d) ({ \
73 u32 _addr = (a), _data = nvkm_ro32((o), _addr); \
74 nvkm_wo32((o), _addr, (_data & ~(m)) | (d)); \
78 #define nvkm_wo64(o,a,d) do { \
79 u64 __a = (a), __d = (d); \
80 nvkm_wo32((o), __a + 0, lower_32_bits(__d)); \
81 nvkm_wo32((o), __a + 4, upper_32_bits(__d)); \
84 #define nvkm_fill(t,s,o,a,d,c) do { \
85 u64 _a = (a), _c = (c), _d = (d), _o = _a >> s, _s = _c << s; \
86 u##t __iomem *_m = nvkm_kmap(o); \
90 iowrite##t##_native(_d, &_m[_o++]); \
92 memset_io(&_m[_o], _d, _s); \
95 for (; _c; _c--, _a += BIT(s)) \
96 nvkm_wo##t((o), _a, _d); \
100 #define nvkm_fo32(o,a,d,c) nvkm_fill(32, 2, (o), (a), (d), (c))
101 #define nvkm_fo64(o,a,d,c) nvkm_fill(64, 3, (o), (a), (d), (c))