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