gpu: nvgpu: reorganize PMU perfmon

-Moved perfmon code from pmu_gk20a.c to
"drivers/gpu/nvgpu/common/pmu/pmu_perfmon.c" file

-Moved below related methods
    perfmon init,
    start/stop sampling,
    load counter read/write/reset,
    perfmon event handler

- prepend with nvgpu_ for perfmon global methods
by replacing gk20a_

JURA NVGPU-56
JURA NVGPU-98

Change-Id: Idbcdf63ebd76da170e609cc401b320a42110cd7b
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1501418
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2 files changed, 10 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/pmu.h b/drivers/gpu/nvgpu/include/nvgpu/pmu.h
index c4972f67..ede238a0 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/pmu.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/pmu.h
@@ -392,8 +392,16 @@ int nvgpu_pmu_process_message(struct nvgpu_pmu *pmu);
 
 /* perfmon */
 int nvgpu_pmu_init_perfmon(struct nvgpu_pmu *pmu);
+int nvgpu_pmu_perfmon_start_sampling(struct nvgpu_pmu *pmu);
+int nvgpu_pmu_perfmon_stop_sampling(struct nvgpu_pmu *pmu);
 int nvgpu_pmu_handle_perfmon_event(struct nvgpu_pmu *pmu,
-                        struct pmu_perfmon_msg *msg);
+        struct pmu_perfmon_msg *msg);
+int nvgpu_pmu_load_norm(struct gk20a *g, u32 *load);
+int nvgpu_pmu_load_update(struct gk20a *g);
+void nvgpu_pmu_reset_load_counters(struct gk20a *g);
+void nvgpu_pmu_get_load_counters(struct gk20a *g, u32 *busy_cycles,
+                u32 *total_cycles);
+
 int nvgpu_pmu_handle_therm_event(struct nvgpu_pmu *pmu,
                         struct nv_pmu_therm_msg *msg);
 
diff --git a/drivers/gpu/nvgpu/include/nvgpu/pmuif/nvgpu_gpmu_cmdif.h b/drivers/gpu/nvgpu/include/nvgpu/pmuif/nvgpu_gpmu_cmdif.h
index 01cd2743..310cb508 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/pmuif/nvgpu_gpmu_cmdif.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/pmuif/nvgpu_gpmu_cmdif.h
@@ -78,6 +78,7 @@ struct pmu_msg {
 #define PMU_UNIT_VOLT   (0x0E)
 
 #define PMU_UNIT_END            (0x23)
+#define PMU_UNIT_INVALID        (0xFF)
 
 #define PMU_UNIT_TEST_START     (0xFE)
 #define PMU_UNIT_END_SIM        (0xFF)