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, 51 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/therm/thrmpmu.c b/drivers/gpu/nvgpu/therm/thrmpmu.c
new file mode 100644
index 00000000..0ff7090b
--- /dev/null
+++ b/drivers/gpu/nvgpu/therm/thrmpmu.c
@@ -0,0 +1,51 @@
+/*
+ * 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.
+ */
+
+#include "gk20a/gk20a.h"
+#include "include/bios.h"
+#include "boardobj/boardobjgrp.h"
+#include "boardobj/boardobjgrp_e32.h"
+#include "pmuif/gpmuifboardobj.h"
+#include "thrmpmu.h"
+
+u32 therm_send_pmgr_tables_to_pmu(struct gk20a *g)
+{
+        u32 status = 0;
+        struct boardobjgrp *pboardobjgrp = NULL;
+
+        if (!BOARDOBJGRP_IS_EMPTY(&g->therm_pmu.therm_deviceobjs.super.super)) {
+                pboardobjgrp = &g->therm_pmu.therm_deviceobjs.super.super;
+                status = pboardobjgrp->pmuinithandle(g, pboardobjgrp);
+                if (status) {
+                        gk20a_err(dev_from_gk20a(g),
+                                "therm_send_pmgr_tables_to_pmu - therm_device failed %x",
+                                status);
+                        goto exit;
+                }
+        }
+
+        if (!BOARDOBJGRP_IS_EMPTY(
+                        &g->therm_pmu.therm_channelobjs.super.super)) {
+                pboardobjgrp = &g->therm_pmu.therm_channelobjs.super.super;
+                status = pboardobjgrp->pmuinithandle(g, pboardobjgrp);
+                if (status) {
+                        gk20a_err(dev_from_gk20a(g),
+                                "therm_send_pmgr_tables_to_pmu - therm_channel failed %x",
+                                status);
+                        goto exit;
+                }
+        }
+
+exit:
+        return status;
+}