1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h
new file mode 100644
index 000000000..4bc938404
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NVKM_PMU_H__
+#define __NVKM_PMU_H__
+#include <core/subdev.h>
+#include <engine/falcon.h>
+
+struct nvkm_pmu {
+	const struct nvkm_pmu_func *func;
+	struct nvkm_subdev subdev;
+	struct nvkm_falcon *falcon;
+	struct nvkm_msgqueue *queue;
+
+	struct {
+		u32 base;
+		u32 size;
+	} send;
+
+	struct {
+		u32 base;
+		u32 size;
+
+		struct work_struct work;
+		wait_queue_head_t wait;
+		u32 process;
+		u32 message;
+		u32 data[2];
+	} recv;
+};
+
+int nvkm_pmu_send(struct nvkm_pmu *, u32 reply[2], u32 process,
+		  u32 message, u32 data0, u32 data1);
+void nvkm_pmu_pgob(struct nvkm_pmu *, bool enable);
+
+int gt215_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
+int gf100_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
+int gf119_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
+int gk104_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
+int gk110_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
+int gk208_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
+int gk20a_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
+int gm107_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
+int gm20b_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
+int gp100_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
+int gp102_pmu_new(struct nvkm_device *, int, struct nvkm_pmu **);
+
+/* interface to MEMX process running on PMU */
+struct nvkm_memx;
+int  nvkm_memx_init(struct nvkm_pmu *, struct nvkm_memx **);
+int  nvkm_memx_fini(struct nvkm_memx **, bool exec);
+void nvkm_memx_wr32(struct nvkm_memx *, u32 addr, u32 data);
+void nvkm_memx_wait(struct nvkm_memx *, u32 addr, u32 mask, u32 data, u32 nsec);
+void nvkm_memx_nsec(struct nvkm_memx *, u32 nsec);
+void nvkm_memx_wait_vblank(struct nvkm_memx *);
+void nvkm_memx_train(struct nvkm_memx *);
+int  nvkm_memx_train_result(struct nvkm_pmu *, u32 *, int);
+void nvkm_memx_block(struct nvkm_memx *);
+void nvkm_memx_unblock(struct nvkm_memx *);
+#endif