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path: root/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h
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Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h53
1 files changed, 53 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 000000000000..7b86acc634a0
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h
@@ -0,0 +1,53 @@
+#ifndef __NVKM_PMU_H__
+#define __NVKM_PMU_H__
+#include <core/subdev.h>
+
+struct nvkm_pmu {
+ struct nvkm_subdev base;
+
+ 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 (*message)(struct nvkm_pmu *, u32[2], u32, u32, u32, u32);
+ void (*pgob)(struct nvkm_pmu *, bool);
+};
+
+static inline struct nvkm_pmu *
+nvkm_pmu(void *obj)
+{
+ return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_PMU);
+}
+
+extern struct nvkm_oclass *gt215_pmu_oclass;
+extern struct nvkm_oclass *gf100_pmu_oclass;
+extern struct nvkm_oclass *gf110_pmu_oclass;
+extern struct nvkm_oclass *gk104_pmu_oclass;
+extern struct nvkm_oclass *gk208_pmu_oclass;
+extern struct nvkm_oclass *gk20a_pmu_oclass;
+
+/* 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