gpu: nvgpu: Add pmgr support

This CL covers the following implementation,
1) Power Sensor Table parsing.
2) Power Topology Table parsing.
3) Add debugfs interface to get the current power(mW), current(mA) and
   voltage(uV) information from PMU.
4) Power Policy Table Parsing
5) Implement PMU boardobj interface for pmgr module.
6) Over current protection.

JIRA DNVGPU-47

Change-Id: I620f4470aa704f1cc920e03947831440fbb0eb05
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1217176
(cherry picked from commit ed56743c2ac8dc325c75f85a82271d2d5ed8d96a)
Reviewed-on: http://git-master/r/1241952
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 58e69cbe..22a9ce4c 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -57,9 +57,11 @@ struct acr_desc;
 #ifdef CONFIG_ARCH_TEGRA_18x_SOC
 #include "clk/clk.h"
 #include "perf/perf.h"
+#include "pmgr/pmgr.h"
 #endif
 #include "gm206/bios_gm206.h"
 
+
 /* PTIMER_REF_FREQ_HZ corresponds to a period of 32 nanoseconds.
     32 ns is the resolution of ptimer. */
 #define PTIMER_REF_FREQ_HZ                      31250000
@@ -784,6 +786,7 @@ struct gk20a {
 #ifdef CONFIG_ARCH_TEGRA_18x_SOC
         struct clk_pmupstate clk_pmu;
         struct perf_pmupstate perf_pmu;
+        struct pmgr_pmupstate pmgr_pmu;
 #endif
 
 #ifdef CONFIG_DEBUG_FS