-u8 nv_rdvgai(void *obj, int head, u16 port, u8 index);
-void nv_wrvgai(void *obj, int head, u16 port, u8 index, u8 value);
-
-bool nv_lockvgac(void *obj, bool lock);
-u8 nv_rdvgaowner(void *obj);
-void nv_wrvgaowner(void *obj, u8);
+u8 nvkm_rdvgai(struct nvkm_device *, int head, u16 port, u8 index);
+void nvkm_wrvgai(struct nvkm_device *, int head, u16 port, u8 index, u8 value);