gpu: nvgpu: Add thermal module support

The following CL contains the following VBIOS thermal table parsing
and PMU interface support.
1) Thermal device table
2) Thermal channel table

JIRA DNVGPU-130

Change-Id: Ie3abab4bf099a022b1b59db96811c2ed44079519
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1240630
(cherry picked from commit 814962a4be0a8cd0cddc7bc5211c62308ab1fea2)
Reviewed-on: http://git-master/r/1246210
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/therm/thrmchannel.h b/drivers/gpu/nvgpu/therm/thrmchannel.h
new file mode 100644
index 00000000..4b9d19da
--- /dev/null
+++ b/drivers/gpu/nvgpu/therm/thrmchannel.h
@@ -0,0 +1,42 @@
+/*
+ * general thermal device structures & definitions
+ *
+ * Copyright (c) 2016, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+#ifndef _THRMCHANNEL_H_
+#define _THRMCHANNEL_H_
+
+#include "boardobj/boardobj.h"
+#include "boardobj/boardobjgrp.h"
+#include "ctrl/ctrltherm.h"
+
+struct therm_channel {
+        struct boardobj super;
+        s16 scaling;
+        s16 offset;
+        s32 temp_min;
+        s32 temp_max;
+};
+
+struct therm_channels {
+        struct boardobjgrp_e32 super;
+};
+
+struct therm_channel_device {
+        struct therm_channel super;
+        u8 therm_dev_idx;
+        u8 therm_dev_prov_idx;
+};
+
+u32 therm_channel_sw_setup(struct gk20a *g);
+
+#endif