1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVIF_OBJECT_H__
3 #define __NVIF_OBJECT_H__
4 #include <nvif/os.h>
5
6 struct nvif_sclass {
7 s32 oclass;
8 int minver;
9 int maxver;
10 };
11
12 struct nvif_object {
13 struct nvif_parent *parent;
14 struct nvif_client *client;
15 const char *name;
16 u32 handle;
17 s32 oclass;
18 void *priv; /*XXX: hack */
19 struct {
20 void __iomem *ptr;
21 u64 size;
22 } map;
23 };
24
25 static inline bool
nvif_object_constructed(struct nvif_object * object)26 nvif_object_constructed(struct nvif_object *object)
27 {
28 return object->client != NULL;
29 }
30
31 int nvif_object_ctor(struct nvif_object *, const char *name, u32 handle,
32 s32 oclass, void *, u32, struct nvif_object *);
33 void nvif_object_dtor(struct nvif_object *);
34 int nvif_object_ioctl(struct nvif_object *, void *, u32, void **);
35 int nvif_object_sclass_get(struct nvif_object *, struct nvif_sclass **);
36 void nvif_object_sclass_put(struct nvif_sclass **);
37 int nvif_object_mthd(struct nvif_object *, u32, void *, u32);
38 int nvif_object_map_handle(struct nvif_object *, void *, u32,
39 u64 *handle, u64 *length);
40 void nvif_object_unmap_handle(struct nvif_object *);
41 int nvif_object_map(struct nvif_object *, void *, u32);
42 void nvif_object_unmap(struct nvif_object *);
43
44 #define nvif_handle(a) (unsigned long)(void *)(a)
45 #define nvif_object(a) (a)->object
46
47 #define nvif_rd(a,f,b,c) ({ \
48 u32 _data = f((u8 __iomem *)(a)->map.ptr + (c)); \
49 _data; \
50 })
51 #define nvif_wr(a,f,b,c,d) ({ \
52 f((d), (u8 __iomem *)(a)->map.ptr + (c)); \
53 })
54 #define nvif_rd08(a,b) ({ ((u8)nvif_rd((a), ioread8, 1, (b))); })
55 #define nvif_rd16(a,b) ({ ((u16)nvif_rd((a), ioread16_native, 2, (b))); })
56 #define nvif_rd32(a,b) ({ ((u32)nvif_rd((a), ioread32_native, 4, (b))); })
57 #define nvif_wr08(a,b,c) nvif_wr((a), iowrite8, 1, (b), (u8)(c))
58 #define nvif_wr16(a,b,c) nvif_wr((a), iowrite16_native, 2, (b), (u16)(c))
59 #define nvif_wr32(a,b,c) nvif_wr((a), iowrite32_native, 4, (b), (u32)(c))
60 #define nvif_mask(a,b,c,d) ({ \
61 typeof(a) __object = (a); \
62 u32 _addr = (b), _data = nvif_rd32(__object, _addr); \
63 nvif_wr32(__object, _addr, (_data & ~(c)) | (d)); \
64 _data; \
65 })
66
67 #define nvif_mthd(a,b,c,d) nvif_object_mthd((a), (b), (c), (d))
68
69 struct nvif_mclass {
70 s32 oclass;
71 int version;
72 };
73
74 #define nvif_mclass(o,m) ({ \
75 struct nvif_object *object = (o); \
76 struct nvif_sclass *sclass; \
77 typeof(m[0]) *mclass = (m); \
78 int ret = -ENODEV; \
79 int cnt, i, j; \
80 \
81 cnt = nvif_object_sclass_get(object, &sclass); \
82 if (cnt >= 0) { \
83 for (i = 0; ret < 0 && mclass[i].oclass; i++) { \
84 for (j = 0; j < cnt; j++) { \
85 if (mclass[i].oclass == sclass[j].oclass && \
86 mclass[i].version >= sclass[j].minver && \
87 mclass[i].version <= sclass[j].maxver) { \
88 ret = i; \
89 break; \
90 } \
91 } \
92 } \
93 nvif_object_sclass_put(&sclass); \
94 } \
95 ret; \
96 })
97
98 #define nvif_sclass(o,m,u) ({ \
99 const typeof(m[0]) *_mclass = (m); \
100 s32 _oclass = (u); \
101 int _cid; \
102 if (_oclass) { \
103 for (_cid = 0; _mclass[_cid].oclass; _cid++) { \
104 if (_mclass[_cid].oclass == _oclass) \
105 break; \
106 } \
107 _cid = _mclass[_cid].oclass ? _cid : -ENOSYS; \
108 } else { \
109 _cid = nvif_mclass((o), _mclass); \
110 } \
111 _cid; \
112 })
113
114 #define NVIF_RD32_(p,o,dr) nvif_rd32((p), (o) + (dr))
115 #define NVIF_WR32_(p,o,dr,f) nvif_wr32((p), (o) + (dr), (f))
116 #define NVIF_RD32(p,A...) DRF_RD(NVIF_RD32_, (p), 0, ##A)
117 #define NVIF_RV32(p,A...) DRF_RV(NVIF_RD32_, (p), 0, ##A)
118 #define NVIF_TV32(p,A...) DRF_TV(NVIF_RD32_, (p), 0, ##A)
119 #define NVIF_TD32(p,A...) DRF_TD(NVIF_RD32_, (p), 0, ##A)
120 #define NVIF_WR32(p,A...) DRF_WR( NVIF_WR32_, (p), 0, ##A)
121 #define NVIF_WV32(p,A...) DRF_WV( NVIF_WR32_, (p), 0, ##A)
122 #define NVIF_WD32(p,A...) DRF_WD( NVIF_WR32_, (p), 0, ##A)
123 #define NVIF_MR32(p,A...) DRF_MR(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A)
124 #define NVIF_MV32(p,A...) DRF_MV(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A)
125 #define NVIF_MD32(p,A...) DRF_MD(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A)
126 #endif
127