1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
new file mode 100644
index 000000000..738899fcf
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_ENGINE_H__
+#define __NVKM_ENGINE_H__
+#define nvkm_engine(p) container_of((p), struct nvkm_engine, subdev)
+#include <core/subdev.h>
+struct nvkm_chan;
+struct nvkm_fb_tile;
+
+extern const struct nvkm_subdev_func nvkm_engine;
+
+struct nvkm_engine {
+	const struct nvkm_engine_func *func;
+	struct nvkm_subdev subdev;
+	spinlock_t lock;
+};
+
+struct nvkm_engine_func {
+	void *(*dtor)(struct nvkm_engine *);
+	void (*preinit)(struct nvkm_engine *);
+	int (*oneinit)(struct nvkm_engine *);
+	int (*info)(struct nvkm_engine *, u64 mthd, u64 *data);
+	int (*init)(struct nvkm_engine *);
+	int (*fini)(struct nvkm_engine *, bool suspend);
+	int (*reset)(struct nvkm_engine *);
+	int (*nonstall)(struct nvkm_engine *);
+	void (*intr)(struct nvkm_engine *);
+	void (*tile)(struct nvkm_engine *, int region, struct nvkm_fb_tile *);
+	bool (*chsw_load)(struct nvkm_engine *);
+
+	struct {
+		int (*sclass)(struct nvkm_oclass *, int index,
+			      const struct nvkm_device_oclass **);
+	} base;
+
+	struct {
+		int (*cclass)(struct nvkm_chan *, const struct nvkm_oclass *,
+			      struct nvkm_object **);
+		int (*sclass)(struct nvkm_oclass *, int index);
+	} fifo;
+
+	const struct nvkm_object_func *cclass;
+	struct nvkm_sclass sclass[];
+};
+
+int nvkm_engine_ctor(const struct nvkm_engine_func *, struct nvkm_device *,
+		     enum nvkm_subdev_type, int inst, bool enable, struct nvkm_engine *);
+int nvkm_engine_new_(const struct nvkm_engine_func *, struct nvkm_device *,
+		     enum nvkm_subdev_type, int, bool enable, struct nvkm_engine **);
+
+struct nvkm_engine *nvkm_engine_ref(struct nvkm_engine *);
+void nvkm_engine_unref(struct nvkm_engine **);
+int nvkm_engine_reset(struct nvkm_engine *);
+void nvkm_engine_tile(struct nvkm_engine *, int region);
+bool nvkm_engine_chsw_load(struct nvkm_engine *);
+#endif