1 #ifndef __NOUVEAU_OBJECT_H__
2 #define __NOUVEAU_OBJECT_H__
5 #include <core/printk.h>
7 #define NV_PARENT_CLASS 0x80000000
8 #define NV_NAMEDB_CLASS 0x40000000
9 #define NV_CLIENT_CLASS 0x20000000
10 #define NV_SUBDEV_CLASS 0x10000000
11 #define NV_ENGINE_CLASS 0x08000000
12 #define NV_MEMOBJ_CLASS 0x04000000
13 #define NV_GPUOBJ_CLASS 0x02000000
14 #define NV_ENGCTX_CLASS 0x01000000
15 #define NV_OBJECT_CLASS 0x0000ffff
17 struct nouveau_object {
18 struct nouveau_oclass *oclass;
19 struct nouveau_object *parent;
20 struct nouveau_object *engine;
23 #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
24 #define NOUVEAU_OBJECT_MAGIC 0x75ef0bad
25 struct list_head list;
30 static inline struct nouveau_object *
33 #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
35 struct nouveau_object *object = obj;
36 if (unlikely(object->_magic != NOUVEAU_OBJECT_MAGIC))
37 nv_assert("BAD CAST -> NvObject, invalid magic");
43 #define nouveau_object_create(p,e,c,s,d) \
44 nouveau_object_create_((p), (e), (c), (s), sizeof(**d), (void **)d)
45 int nouveau_object_create_(struct nouveau_object *, struct nouveau_object *,
46 struct nouveau_oclass *, u32, int size, void **);
47 void nouveau_object_destroy(struct nouveau_object *);
48 int nouveau_object_init(struct nouveau_object *);
49 int nouveau_object_fini(struct nouveau_object *, bool suspend);
51 extern struct nouveau_ofuncs nouveau_object_ofuncs;
53 /* Don't allocate dynamically, because lockdep needs lock_class_keys to be in
55 struct nouveau_oclass {
57 struct nouveau_ofuncs * const ofuncs;
58 struct nouveau_omthds * const omthds;
59 struct lock_class_key lock_class_key;
62 #define nv_oclass(o) nv_object(o)->oclass
63 #define nv_hclass(o) nv_oclass(o)->handle
64 #define nv_iclass(o,i) (nv_hclass(o) & (i))
65 #define nv_mclass(o) nv_iclass(o, NV_OBJECT_CLASS)
67 static inline struct nouveau_object *
68 nv_pclass(struct nouveau_object *parent, u32 oclass)
70 while (parent && !nv_iclass(parent, oclass))
71 parent = parent->parent;
75 struct nouveau_omthds {
78 int (*call)(struct nouveau_object *, u32, void *, u32);
81 struct nouveau_ofuncs {
82 int (*ctor)(struct nouveau_object *, struct nouveau_object *,
83 struct nouveau_oclass *, void *data, u32 size,
84 struct nouveau_object **);
85 void (*dtor)(struct nouveau_object *);
86 int (*init)(struct nouveau_object *);
87 int (*fini)(struct nouveau_object *, bool suspend);
88 u8 (*rd08)(struct nouveau_object *, u64 offset);
89 u16 (*rd16)(struct nouveau_object *, u64 offset);
90 u32 (*rd32)(struct nouveau_object *, u64 offset);
91 void (*wr08)(struct nouveau_object *, u64 offset, u8 data);
92 void (*wr16)(struct nouveau_object *, u64 offset, u16 data);
93 void (*wr32)(struct nouveau_object *, u64 offset, u32 data);
96 static inline struct nouveau_ofuncs *
99 return nv_oclass(obj)->ofuncs;
102 int nouveau_object_ctor(struct nouveau_object *, struct nouveau_object *,
103 struct nouveau_oclass *, void *, u32,
104 struct nouveau_object **);
105 void nouveau_object_ref(struct nouveau_object *, struct nouveau_object **);
106 int nouveau_object_inc(struct nouveau_object *);
107 int nouveau_object_dec(struct nouveau_object *, bool suspend);
109 int nouveau_object_new(struct nouveau_object *, u32 parent, u32 handle,
110 u16 oclass, void *data, u32 size,
111 struct nouveau_object **);
112 int nouveau_object_del(struct nouveau_object *, u32 parent, u32 handle);
113 void nouveau_object_debug(void);
116 nv_exec(void *obj, u32 mthd, void *data, u32 size)
118 struct nouveau_omthds *method = nv_oclass(obj)->omthds;
120 while (method && method->call) {
121 if (mthd >= method->start && mthd <= method->limit)
122 return method->call(obj, mthd, data, size);
130 nv_call(void *obj, u32 mthd, u32 data)
132 return nv_exec(obj, mthd, &data, sizeof(data));
136 nv_ro08(void *obj, u64 addr)
138 u8 data = nv_ofuncs(obj)->rd08(obj, addr);
139 nv_spam(obj, "nv_ro08 0x%08x 0x%02x\n", addr, data);
144 nv_ro16(void *obj, u64 addr)
146 u16 data = nv_ofuncs(obj)->rd16(obj, addr);
147 nv_spam(obj, "nv_ro16 0x%08x 0x%04x\n", addr, data);
152 nv_ro32(void *obj, u64 addr)
154 u32 data = nv_ofuncs(obj)->rd32(obj, addr);
155 nv_spam(obj, "nv_ro32 0x%08x 0x%08x\n", addr, data);
160 nv_wo08(void *obj, u64 addr, u8 data)
162 nv_spam(obj, "nv_wo08 0x%08x 0x%02x\n", addr, data);
163 nv_ofuncs(obj)->wr08(obj, addr, data);
167 nv_wo16(void *obj, u64 addr, u16 data)
169 nv_spam(obj, "nv_wo16 0x%08x 0x%04x\n", addr, data);
170 nv_ofuncs(obj)->wr16(obj, addr, data);
174 nv_wo32(void *obj, u64 addr, u32 data)
176 nv_spam(obj, "nv_wo32 0x%08x 0x%08x\n", addr, data);
177 nv_ofuncs(obj)->wr32(obj, addr, data);
181 nv_mo32(void *obj, u64 addr, u32 mask, u32 data)
183 u32 temp = nv_ro32(obj, addr);
184 nv_wo32(obj, addr, (temp & ~mask) | data);
189 nv_memcmp(void *obj, u32 addr, const char *str, u32 len)
191 unsigned char c1, c2;
194 c1 = nv_ro08(obj, addr++);