--- /dev/null
+#ifndef __NVKM_IBUS_H__
+#define __NVKM_IBUS_H__
+#include <core/subdev.h>
+
+struct nvkm_ibus {
+ struct nvkm_subdev base;
+};
+
+static inline struct nvkm_ibus *
+nvkm_ibus(void *obj)
+{
+ return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_IBUS);
+}
+
+#define nvkm_ibus_create(p,e,o,d) \
+ nvkm_subdev_create_((p), (e), (o), 0, "PIBUS", "ibus", \
+ sizeof(**d), (void **)d)
+#define nvkm_ibus_destroy(p) \
+ nvkm_subdev_destroy(&(p)->base)
+#define nvkm_ibus_init(p) \
+ nvkm_subdev_init(&(p)->base)
+#define nvkm_ibus_fini(p,s) \
+ nvkm_subdev_fini(&(p)->base, (s))
+
+#define _nvkm_ibus_dtor _nvkm_subdev_dtor
+#define _nvkm_ibus_init _nvkm_subdev_init
+#define _nvkm_ibus_fini _nvkm_subdev_fini
+
+extern struct nvkm_oclass gf100_ibus_oclass;
+extern struct nvkm_oclass gk104_ibus_oclass;
+extern struct nvkm_oclass gk20a_ibus_oclass;
+#endif