1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bus.h b/drivers/gpu/drm/nouveau/core/include/subdev/bus.h
new file mode 100644
index 00000000000..7d88ec4a6d0
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/bus.h
@@ -0,0 +1,41 @@
+#ifndef __NOUVEAU_BUS_H__
+#define __NOUVEAU_BUS_H__
+
+#include <core/subdev.h>
+#include <core/device.h>
+
+struct nouveau_bus_intr {
+	u32 stat;
+	u32 unit;
+};
+
+struct nouveau_bus {
+	struct nouveau_subdev base;
+};
+
+static inline struct nouveau_bus *
+nouveau_bus(void *obj)
+{
+	return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_BUS];
+}
+
+#define nouveau_bus_create(p, e, o, d)                                         \
+	nouveau_subdev_create_((p), (e), (o), 0, "PBUS", "master",             \
+			       sizeof(**d), (void **)d)
+#define nouveau_bus_destroy(p)                                                 \
+	nouveau_subdev_destroy(&(p)->base)
+#define nouveau_bus_init(p)                                                    \
+	nouveau_subdev_init(&(p)->base)
+#define nouveau_bus_fini(p, s)                                                 \
+	nouveau_subdev_fini(&(p)->base, (s))
+
+#define _nouveau_bus_dtor _nouveau_subdev_dtor
+#define _nouveau_bus_init _nouveau_subdev_init
+#define _nouveau_bus_fini _nouveau_subdev_fini
+
+extern struct nouveau_oclass nv04_bus_oclass;
+extern struct nouveau_oclass nv31_bus_oclass;
+extern struct nouveau_oclass nv50_bus_oclass;
+extern struct nouveau_oclass nvc0_bus_oclass;
+
+#endif