1 files changed, 38 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/pmu.h b/drivers/gpu/nvgpu/include/nvgpu/pmu.h
index 687e00ae..f447e910 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/pmu.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/pmu.h
@@ -115,6 +115,15 @@ enum {
 typedef void (*pmu_callback)(struct gk20a *, struct pmu_msg *, void *, u32,
         u32);
 
+struct pmu_payload {
+        struct {
+                void *buf;
+                u32 offset;
+                u32 size;
+                u32 fb_size;
+        } in, out;
+};
+
 struct pmu_ucode_desc {
         u32 descriptor_size;
         u32 image_size;
@@ -326,4 +335,33 @@ struct nvgpu_pmu {
         struct nvgpu_firmware *fw;
 };
 
+/* PMU IPC Methods */
+void nvgpu_pmu_seq_init(struct nvgpu_pmu *pmu);
+
+int nvgpu_pmu_mutex_acquire(struct nvgpu_pmu *pmu, u32 id, u32 *token);
+int nvgpu_pmu_mutex_release(struct nvgpu_pmu *pmu, u32 id, u32 *token);
+
+int nvgpu_pmu_queue_init(struct nvgpu_pmu *pmu, u32 id,
+        union pmu_init_msg_pmu *init);
+bool nvgpu_pmu_queue_is_empty(struct nvgpu_pmu *pmu, struct pmu_queue *queue);
+
+/* send a cmd to pmu */
+int gk20a_pmu_cmd_post(struct gk20a *g, struct pmu_cmd *cmd,
+                struct pmu_msg *msg, struct pmu_payload *payload,
+                u32 queue_id, pmu_callback callback, void *cb_param,
+                u32 *seq_desc, unsigned long timeout);
+
+int nvgpu_pmu_process_message(struct nvgpu_pmu *pmu);
+
+/* perfmon */
+int nvgpu_pmu_init_perfmon(struct nvgpu_pmu *pmu);
+int nvgpu_pmu_handle_perfmon_event(struct nvgpu_pmu *pmu,
+                        struct pmu_perfmon_msg *msg);
+int nvgpu_pmu_handle_therm_event(struct nvgpu_pmu *pmu,
+                        struct nv_pmu_therm_msg *msg);
+
+/* PMU init */
+int nvgpu_pmu_process_init_msg(struct nvgpu_pmu *pmu,
+                struct pmu_msg *msg);
+
 #endif /* __NVGPU_PMU_H__ */