| 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 | |