| #ifndef __NVKM_OBJECT_H__ |
| #define __NVKM_OBJECT_H__ |
| #include <core/os.h> |
| #include <core/debug.h> |
| |
| #define NV_PARENT_CLASS 0x80000000 |
| #define NV_NAMEDB_CLASS 0x40000000 |
| #define NV_CLIENT_CLASS 0x20000000 |
| #define NV_SUBDEV_CLASS 0x10000000 |
| #define NV_ENGINE_CLASS 0x08000000 |
| #define NV_MEMOBJ_CLASS 0x04000000 |
| #define NV_GPUOBJ_CLASS 0x02000000 |
| #define NV_ENGCTX_CLASS 0x01000000 |
| #define NV_OBJECT_CLASS 0x0000ffff |
| |
| struct nvkm_object { |
| struct nvkm_oclass *oclass; |
| struct nvkm_object *parent; |
| struct nvkm_engine *engine; |
| atomic_t refcount; |
| atomic_t usecount; |
| #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA |
| #define NVKM_OBJECT_MAGIC 0x75ef0bad |
| struct list_head list; |
| u32 _magic; |
| #endif |
| }; |
| |
| int nvkm_object_rd08(struct nvkm_object *, u64 addr, u8 *data); |
| int nvkm_object_rd16(struct nvkm_object *, u64 addr, u16 *data); |
| int nvkm_object_rd32(struct nvkm_object *, u64 addr, u32 *data); |
| int nvkm_object_wr08(struct nvkm_object *, u64 addr, u8 data); |
| int nvkm_object_wr16(struct nvkm_object *, u64 addr, u16 data); |
| int nvkm_object_wr32(struct nvkm_object *, u64 addr, u32 data); |
| |
| static inline struct nvkm_object * |
| nv_object(void *obj) |
| { |
| #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA |
| if (likely(obj)) { |
| struct nvkm_object *object = obj; |
| BUG_ON(object->_magic != NVKM_OBJECT_MAGIC); |
| } |
| #endif |
| return obj; |
| } |
| |
| #define nvkm_object_create(p,e,c,s,d) \ |
| nvkm_object_create_((p), (e), (c), (s), sizeof(**d), (void **)d) |
| int nvkm_object_create_(struct nvkm_object *, struct nvkm_object *, |
| struct nvkm_oclass *, u32, int size, void **); |
| void nvkm_object_destroy(struct nvkm_object *); |
| int nvkm_object_init(struct nvkm_object *); |
| int nvkm_object_fini(struct nvkm_object *, bool suspend); |
| |
| int _nvkm_object_ctor(struct nvkm_object *, struct nvkm_object *, |
| struct nvkm_oclass *, void *, u32, |
| struct nvkm_object **); |
| |
| extern struct nvkm_ofuncs nvkm_object_ofuncs; |
| |
| /* Don't allocate dynamically, because lockdep needs lock_class_keys to be in |
| * ".data". */ |
| struct nvkm_oclass { |
| u32 handle; |
| struct nvkm_ofuncs * const ofuncs; |
| struct nvkm_omthds * const omthds; |
| struct lock_class_key lock_class_key; |
| }; |
| |
| #define nv_oclass(o) nv_object(o)->oclass |
| #define nv_hclass(o) nv_oclass(o)->handle |
| #define nv_iclass(o,i) (nv_hclass(o) & (i)) |
| #define nv_mclass(o) nv_iclass(o, NV_OBJECT_CLASS) |
| |
| static inline struct nvkm_object * |
| nv_pclass(struct nvkm_object *parent, u32 oclass) |
| { |
| while (parent && !nv_iclass(parent, oclass)) |
| parent = parent->parent; |
| return parent; |
| } |
| |
| struct nvkm_omthds { |
| u32 start; |
| u32 limit; |
| int (*call)(struct nvkm_object *, u32, void *, u32); |
| }; |
| |
| struct nvkm_event; |
| struct nvkm_ofuncs { |
| int (*ctor)(struct nvkm_object *, struct nvkm_object *, |
| struct nvkm_oclass *, void *data, u32 size, |
| struct nvkm_object **); |
| void (*dtor)(struct nvkm_object *); |
| int (*init)(struct nvkm_object *); |
| int (*fini)(struct nvkm_object *, bool suspend); |
| int (*mthd)(struct nvkm_object *, u32, void *, u32); |
| int (*ntfy)(struct nvkm_object *, u32, struct nvkm_event **); |
| int (* map)(struct nvkm_object *, u64 *, u32 *); |
| u8 (*rd08)(struct nvkm_object *, u64 offset); |
| u16 (*rd16)(struct nvkm_object *, u64 offset); |
| u32 (*rd32)(struct nvkm_object *, u64 offset); |
| void (*wr08)(struct nvkm_object *, u64 offset, u8 data); |
| void (*wr16)(struct nvkm_object *, u64 offset, u16 data); |
| void (*wr32)(struct nvkm_object *, u64 offset, u32 data); |
| }; |
| |
| static inline struct nvkm_ofuncs * |
| nv_ofuncs(void *obj) |
| { |
| return nv_oclass(obj)->ofuncs; |
| } |
| |
| int nvkm_object_ctor(struct nvkm_object *, struct nvkm_object *, |
| struct nvkm_oclass *, void *, u32, |
| struct nvkm_object **); |
| void nvkm_object_ref(struct nvkm_object *, struct nvkm_object **); |
| int nvkm_object_inc(struct nvkm_object *); |
| int nvkm_object_dec(struct nvkm_object *, bool suspend); |
| |
| static inline int |
| nv_exec(void *obj, u32 mthd, void *data, u32 size) |
| { |
| struct nvkm_omthds *method = nv_oclass(obj)->omthds; |
| |
| while (method && method->call) { |
| if (mthd >= method->start && mthd <= method->limit) |
| return method->call(obj, mthd, data, size); |
| method++; |
| } |
| |
| return -EINVAL; |
| } |
| |
| static inline int |
| nv_call(void *obj, u32 mthd, u32 data) |
| { |
| return nv_exec(obj, mthd, &data, sizeof(data)); |
| } |
| #endif |