1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h
new file mode 100644
index 000000000..f3d3d3a5a
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NV40_GR_H__
+#define __NV40_GR_H__
+#define nv40_gr(p) container_of((p), struct nv40_gr, base)
+#include "priv.h"
+
+struct nv40_gr {
+	struct nvkm_gr base;
+	u32 size;
+	struct list_head chan;
+};
+
+int nv40_gr_new_(const struct nvkm_gr_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
+		 struct nvkm_gr **);
+int nv40_gr_init(struct nvkm_gr *);
+void nv40_gr_intr(struct nvkm_gr *);
+u64 nv40_gr_units(struct nvkm_gr *);
+
+#define nv40_gr_chan(p) container_of((p), struct nv40_gr_chan, object)
+#include <core/object.h>
+
+struct nv40_gr_chan {
+	struct nvkm_object object;
+	struct nv40_gr *gr;
+	struct nvkm_fifo_chan *fifo;
+	u32 inst;
+	struct list_head head;
+};
+
+int nv40_gr_chan_new(struct nvkm_gr *, struct nvkm_fifo_chan *,
+		     const struct nvkm_oclass *, struct nvkm_object **);
+
+extern const struct nvkm_object_func nv40_gr_object;
+
+/* returns 1 if device is one of the nv4x using the 0x4497 object class,
+ * helpful to determine a number of other hardware features
+ */
+static inline int
+nv44_gr_class(struct nvkm_device *device)
+{
+	if ((device->chipset & 0xf0) == 0x60)
+		return 1;
+
+	return !(0x0aaf & (1 << (device->chipset & 0x0f)));
+}
+
+int  nv40_grctx_init(struct nvkm_device *, u32 *size);
+void nv40_grctx_fill(struct nvkm_device *, struct nvkm_gpuobj *);
+#endif