1 | #ifndef __NOUVEAU_OBJECT_H__ |
2 | #define __NOUVEAU_OBJECT_H__ |
3 | |
4 | #include <core/os.h> |
5 | #include <core/printk.h> |
6 | |
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 |
16 | |
17 | struct nouveau_object { |
18 | struct nouveau_oclass *oclass; |
19 | struct nouveau_object *parent; |
20 | struct nouveau_object *engine; |
21 | atomic_t refcount; |
22 | atomic_t usecount; |
23 | #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA |
24 | #define NOUVEAU_OBJECT_MAGIC 0x75ef0bad |
25 | struct list_head list; |
26 | u32 _magic; |
27 | #endif |
28 | }; |
29 | |
30 | static inline struct nouveau_object * |
31 | nv_object(void *obj) |
32 | { |
33 | #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA |
34 | if (likely(obj)) { |
35 | struct nouveau_object *object = obj; |
36 | if (unlikely(object->_magic != NOUVEAU_OBJECT_MAGIC)) |
37 | nv_assert("BAD CAST -> NvObject, invalid magic" ); |
38 | } |
39 | #endif |
40 | return obj; |
41 | } |
42 | |
43 | #ifdef __NetBSD__ |
44 | void nouveau_objects_init(void); |
45 | void nouveau_objects_fini(void); |
46 | #endif |
47 | |
48 | #define nouveau_object_create(p,e,c,s,d) \ |
49 | nouveau_object_create_((p), (e), (c), (s), sizeof(**d), (void **)d) |
50 | int nouveau_object_create_(struct nouveau_object *, struct nouveau_object *, |
51 | struct nouveau_oclass *, u32, int size, void **); |
52 | void nouveau_object_destroy(struct nouveau_object *); |
53 | int nouveau_object_init(struct nouveau_object *); |
54 | int nouveau_object_fini(struct nouveau_object *, bool suspend); |
55 | |
56 | extern struct nouveau_ofuncs nouveau_object_ofuncs; |
57 | |
58 | /* Don't allocate dynamically, because lockdep needs lock_class_keys to be in |
59 | * ".data". */ |
60 | struct nouveau_oclass { |
61 | u32 handle; |
62 | struct nouveau_ofuncs * const ofuncs; |
63 | struct nouveau_omthds * const omthds; |
64 | struct lock_class_key lock_class_key; |
65 | }; |
66 | |
67 | #define nv_oclass(o) nv_object(o)->oclass |
68 | #define nv_hclass(o) nv_oclass(o)->handle |
69 | #define nv_iclass(o,i) (nv_hclass(o) & (i)) |
70 | #define nv_mclass(o) nv_iclass(o, NV_OBJECT_CLASS) |
71 | |
72 | static inline struct nouveau_object * |
73 | nv_pclass(struct nouveau_object *parent, u32 oclass) |
74 | { |
75 | while (parent && !nv_iclass(parent, oclass)) |
76 | parent = parent->parent; |
77 | return parent; |
78 | } |
79 | |
80 | struct nouveau_omthds { |
81 | u32 start; |
82 | u32 limit; |
83 | int (*call)(struct nouveau_object *, u32, void *, u32); |
84 | }; |
85 | |
86 | struct nouveau_ofuncs { |
87 | int (*ctor)(struct nouveau_object *, struct nouveau_object *, |
88 | struct nouveau_oclass *, void *data, u32 size, |
89 | struct nouveau_object **); |
90 | void (*dtor)(struct nouveau_object *); |
91 | int (*init)(struct nouveau_object *); |
92 | int (*fini)(struct nouveau_object *, bool suspend); |
93 | u8 (*rd08)(struct nouveau_object *, u64 offset); |
94 | u16 (*rd16)(struct nouveau_object *, u64 offset); |
95 | u32 (*rd32)(struct nouveau_object *, u64 offset); |
96 | void (*wr08)(struct nouveau_object *, u64 offset, u8 data); |
97 | void (*wr16)(struct nouveau_object *, u64 offset, u16 data); |
98 | void (*wr32)(struct nouveau_object *, u64 offset, u32 data); |
99 | }; |
100 | |
101 | static inline struct nouveau_ofuncs * |
102 | nv_ofuncs(void *obj) |
103 | { |
104 | return nv_oclass(obj)->ofuncs; |
105 | } |
106 | |
107 | int nouveau_object_ctor(struct nouveau_object *, struct nouveau_object *, |
108 | struct nouveau_oclass *, void *, u32, |
109 | struct nouveau_object **); |
110 | void nouveau_object_ref(struct nouveau_object *, struct nouveau_object **); |
111 | int nouveau_object_inc(struct nouveau_object *); |
112 | int nouveau_object_dec(struct nouveau_object *, bool suspend); |
113 | |
114 | int nouveau_object_new(struct nouveau_object *, u32 parent, u32 handle, |
115 | u16 oclass, void *data, u32 size, |
116 | struct nouveau_object **); |
117 | int nouveau_object_del(struct nouveau_object *, u32 parent, u32 handle); |
118 | void nouveau_object_debug(void); |
119 | |
120 | static inline int |
121 | nv_exec(void *obj, u32 mthd, void *data, u32 size) |
122 | { |
123 | struct nouveau_omthds *method = nv_oclass(obj)->omthds; |
124 | |
125 | while (method && method->call) { |
126 | if (mthd >= method->start && mthd <= method->limit) |
127 | return method->call(obj, mthd, data, size); |
128 | method++; |
129 | } |
130 | |
131 | return -EINVAL; |
132 | } |
133 | |
134 | static inline int |
135 | nv_call(void *obj, u32 mthd, u32 data) |
136 | { |
137 | return nv_exec(obj, mthd, &data, sizeof(data)); |
138 | } |
139 | |
140 | static inline u8 |
141 | nv_ro08(void *obj, u64 addr) |
142 | { |
143 | u8 data = nv_ofuncs(obj)->rd08(obj, addr); |
144 | nv_spam(obj, "nv_ro08 0x%08" PRIx64" 0x%02x\n" , addr, data); |
145 | return data; |
146 | } |
147 | |
148 | static inline u16 |
149 | nv_ro16(void *obj, u64 addr) |
150 | { |
151 | u16 data = nv_ofuncs(obj)->rd16(obj, addr); |
152 | nv_spam(obj, "nv_ro16 0x%08" PRIx64" 0x%04x\n" , addr, data); |
153 | return data; |
154 | } |
155 | |
156 | static inline u32 |
157 | nv_ro32(void *obj, u64 addr) |
158 | { |
159 | u32 data = nv_ofuncs(obj)->rd32(obj, addr); |
160 | nv_spam(obj, "nv_ro32 0x%08" PRIx64" 0x%08x\n" , addr, data); |
161 | return data; |
162 | } |
163 | |
164 | static inline void |
165 | nv_wo08(void *obj, u64 addr, u8 data) |
166 | { |
167 | nv_spam(obj, "nv_wo08 0x%08" PRIx64" 0x%02x\n" , addr, data); |
168 | nv_ofuncs(obj)->wr08(obj, addr, data); |
169 | } |
170 | |
171 | static inline void |
172 | nv_wo16(void *obj, u64 addr, u16 data) |
173 | { |
174 | nv_spam(obj, "nv_wo16 0x%08" PRIx64" 0x%04x\n" , addr, data); |
175 | nv_ofuncs(obj)->wr16(obj, addr, data); |
176 | } |
177 | |
178 | static inline void |
179 | nv_wo32(void *obj, u64 addr, u32 data) |
180 | { |
181 | nv_spam(obj, "nv_wo32 0x%08" PRIx64" 0x%08x\n" , addr, data); |
182 | nv_ofuncs(obj)->wr32(obj, addr, data); |
183 | } |
184 | |
185 | static inline u32 |
186 | nv_mo32(void *obj, u64 addr, u32 mask, u32 data) |
187 | { |
188 | u32 temp = nv_ro32(obj, addr); |
189 | nv_wo32(obj, addr, (temp & ~mask) | data); |
190 | return temp; |
191 | } |
192 | |
193 | static inline int |
194 | nv_memcmp(void *obj, u32 addr, const char *str, u32 len) |
195 | { |
196 | unsigned char c1, c2; |
197 | |
198 | while (len--) { |
199 | c1 = nv_ro08(obj, addr++); |
200 | c2 = *(str++); |
201 | if (c1 != c2) |
202 | return c1 - c2; |
203 | } |
204 | return 0; |
205 | } |
206 | |
207 | #endif |
208 | |