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1/* SPDX-License-Identifier: MIT */
2#ifndef __NVIF_OBJECT_H__
3#define __NVIF_OBJECT_H__
4#include <nvif/os.h>
5
6struct nvif_sclass {
7 s32 oclass;
8 int minver;
9 int maxver;
10};
11
12struct 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
25static inline bool
26nvif_object_constructed(struct nvif_object *object)
27{
28 return object->client != NULL;
29}
30
31int nvif_object_ctor(struct nvif_object *, const char *name, u32 handle,
32 s32 oclass, void *, u32, struct nvif_object *);
33void nvif_object_dtor(struct nvif_object *);
34int nvif_object_ioctl(struct nvif_object *, void *, u32, void **);
35int nvif_object_sclass_get(struct nvif_object *, struct nvif_sclass **);
36void nvif_object_sclass_put(struct nvif_sclass **);
37u32 nvif_object_rd(struct nvif_object *, int, u64);
38void nvif_object_wr(struct nvif_object *, int, u64, u32);
39int nvif_object_mthd(struct nvif_object *, u32, void *, u32);
40int nvif_object_map_handle(struct nvif_object *, void *, u32,
41 u64 *handle, u64 *length);
42void nvif_object_unmap_handle(struct nvif_object *);
43int nvif_object_map(struct nvif_object *, void *, u32);
44void nvif_object_unmap(struct nvif_object *);
45
46#define nvif_handle(a) (unsigned long)(void *)(a)
47#define nvif_object(a) (a)->object
48
49#define nvif_rd(a,f,b,c) ({ \
50 struct nvif_object *_object = (a); \
51 u32 _data; \
52 if (likely(_object->map.ptr)) \
53 _data = f((u8 __iomem *)_object->map.ptr + (c)); \
54 else \
55 _data = nvif_object_rd(_object, (b), (c)); \
56 _data; \
57})
58#define nvif_wr(a,f,b,c,d) ({ \
59 struct nvif_object *_object = (a); \
60 if (likely(_object->map.ptr)) \
61 f((d), (u8 __iomem *)_object->map.ptr + (c)); \
62 else \
63 nvif_object_wr(_object, (b), (c), (d)); \
64})
65#define nvif_rd08(a,b) ({ ((u8)nvif_rd((a), ioread8, 1, (b))); })
66#define nvif_rd16(a,b) ({ ((u16)nvif_rd((a), ioread16_native, 2, (b))); })
67#define nvif_rd32(a,b) ({ ((u32)nvif_rd((a), ioread32_native, 4, (b))); })
68#define nvif_wr08(a,b,c) nvif_wr((a), iowrite8, 1, (b), (u8)(c))
69#define nvif_wr16(a,b,c) nvif_wr((a), iowrite16_native, 2, (b), (u16)(c))
70#define nvif_wr32(a,b,c) nvif_wr((a), iowrite32_native, 4, (b), (u32)(c))
71#define nvif_mask(a,b,c,d) ({ \
72 struct nvif_object *__object = (a); \
73 u32 _addr = (b), _data = nvif_rd32(__object, _addr); \
74 nvif_wr32(__object, _addr, (_data & ~(c)) | (d)); \
75 _data; \
76})
77
78#define nvif_mthd(a,b,c,d) nvif_object_mthd((a), (b), (c), (d))
79
80struct nvif_mclass {
81 s32 oclass;
82 int version;
83};
84
85#define nvif_mclass(o,m) ({ \
86 struct nvif_object *object = (o); \
87 struct nvif_sclass *sclass; \
88 typeof(m[0]) *mclass = (m); \
89 int ret = -ENODEV; \
90 int cnt, i, j; \
91 \
92 cnt = nvif_object_sclass_get(object, &sclass); \
93 if (cnt >= 0) { \
94 for (i = 0; ret < 0 && mclass[i].oclass; i++) { \
95 for (j = 0; j < cnt; j++) { \
96 if (mclass[i].oclass == sclass[j].oclass && \
97 mclass[i].version >= sclass[j].minver && \
98 mclass[i].version <= sclass[j].maxver) { \
99 ret = i; \
100 break; \
101 } \
102 } \
103 } \
104 nvif_object_sclass_put(&sclass); \
105 } \
106 ret; \
107})
108
109#define nvif_sclass(o,m,u) ({ \
110 const typeof(m[0]) *_mclass = (m); \
111 s32 _oclass = (u); \
112 int _cid; \
113 if (_oclass) { \
114 for (_cid = 0; _mclass[_cid].oclass; _cid++) { \
115 if (_mclass[_cid].oclass == _oclass) \
116 break; \
117 } \
118 _cid = _mclass[_cid].oclass ? _cid : -ENOSYS; \
119 } else { \
120 _cid = nvif_mclass((o), _mclass); \
121 } \
122 _cid; \
123})
124
125#define NVIF_RD32_(p,o,dr) nvif_rd32((p), (o) + (dr))
126#define NVIF_WR32_(p,o,dr,f) nvif_wr32((p), (o) + (dr), (f))
127#define NVIF_RD32(p,A...) DRF_RD(NVIF_RD32_, (p), 0, ##A)
128#define NVIF_RV32(p,A...) DRF_RV(NVIF_RD32_, (p), 0, ##A)
129#define NVIF_TV32(p,A...) DRF_TV(NVIF_RD32_, (p), 0, ##A)
130#define NVIF_TD32(p,A...) DRF_TD(NVIF_RD32_, (p), 0, ##A)
131#define NVIF_WR32(p,A...) DRF_WR( NVIF_WR32_, (p), 0, ##A)
132#define NVIF_WV32(p,A...) DRF_WV( NVIF_WR32_, (p), 0, ##A)
133#define NVIF_WD32(p,A...) DRF_WD( NVIF_WR32_, (p), 0, ##A)
134#define NVIF_MR32(p,A...) DRF_MR(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A)
135#define NVIF_MV32(p,A...) DRF_MV(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A)
136#define NVIF_MD32(p,A...) DRF_MD(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A)
137
138/*XXX*/
139#include <core/object.h>
140#define nvxx_object(a) ({ \
141 struct nvif_object *_object = (a); \
142 (struct nvkm_object *)_object->priv; \
143})
144#endif
145

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source code of linux/drivers/gpu/drm/nouveau/include/nvif/object.h