diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/core/object.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/object.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h new file mode 100644 index 000000000000..6e3cd3908400 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h @@ -0,0 +1,203 @@ +#ifndef __NVKM_OBJECT_H__ +#define __NVKM_OBJECT_H__ +#include <core/os.h> +#include <core/printk.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 +}; + +static inline struct nvkm_object * +nv_object(void *obj) +{ +#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA + if (likely(obj)) { + struct nvkm_object *object = obj; + if (unlikely(object->_magic != NVKM_OBJECT_MAGIC)) + nv_assert("BAD CAST -> NvObject, invalid 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); +void nvkm_object_debug(void); + +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)); +} + +static inline u8 +nv_ro08(void *obj, u64 addr) +{ + u8 data = nv_ofuncs(obj)->rd08(obj, addr); + nv_spam(obj, "nv_ro08 0x%08llx 0x%02x\n", addr, data); + return data; +} + +static inline u16 +nv_ro16(void *obj, u64 addr) +{ + u16 data = nv_ofuncs(obj)->rd16(obj, addr); + nv_spam(obj, "nv_ro16 0x%08llx 0x%04x\n", addr, data); + return data; +} + +static inline u32 +nv_ro32(void *obj, u64 addr) +{ + u32 data = nv_ofuncs(obj)->rd32(obj, addr); + nv_spam(obj, "nv_ro32 0x%08llx 0x%08x\n", addr, data); + return data; +} + +static inline void +nv_wo08(void *obj, u64 addr, u8 data) +{ + nv_spam(obj, "nv_wo08 0x%08llx 0x%02x\n", addr, data); + nv_ofuncs(obj)->wr08(obj, addr, data); +} + +static inline void +nv_wo16(void *obj, u64 addr, u16 data) +{ + nv_spam(obj, "nv_wo16 0x%08llx 0x%04x\n", addr, data); + nv_ofuncs(obj)->wr16(obj, addr, data); +} + +static inline void +nv_wo32(void *obj, u64 addr, u32 data) +{ + nv_spam(obj, "nv_wo32 0x%08llx 0x%08x\n", addr, data); + nv_ofuncs(obj)->wr32(obj, addr, data); +} + +static inline u32 +nv_mo32(void *obj, u64 addr, u32 mask, u32 data) +{ + u32 temp = nv_ro32(obj, addr); + nv_wo32(obj, addr, (temp & ~mask) | data); + return temp; +} + +static inline int +nv_memcmp(void *obj, u32 addr, const char *str, u32 len) +{ + unsigned char c1, c2; + + while (len--) { + c1 = nv_ro08(obj, addr++); + c2 = *(str++); + if (c1 != c2) + return c1 - c2; + } + return 0; +} +#endif |