gpu: nvgpu: Add dGPU clocks support

JIRA DNVGPU-45

Change-Id: I237ce81e31b036c05c82d46eea8694ffe1c2e3df
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Signed-off-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-on: http://git-master/r/1205849
(cherry picked from commit 9a4006f76b75a8ad525e7aa5ad1f609aaae49126)
Reviewed-on: http://git-master/r/1227256
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 92 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/boardobj/boardobjgrp_e255.c b/drivers/gpu/nvgpu/boardobj/boardobjgrp_e255.c
new file mode 100644
index 00000000..a56dca9b
--- /dev/null
+++ b/drivers/gpu/nvgpu/boardobj/boardobjgrp_e255.c
@@ -0,0 +1,92 @@
+/*
+* 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 "boardobj.h"
+#include "boardobjgrp_e255.h"
+#include "ctrl/ctrlboardobj.h"
+#include "pmuif/gpmuifboardobj.h"
+#include "boardobjgrp.h"
+#include "boardobjgrpmask.h"
+
+u32 boardobjgrpconstruct_e255(struct boardobjgrp_e255 *pboardobjgrp_e255)
+{
+        u32 status = 0;
+        u8  objslots;
+
+        gk20a_dbg_info("");
+
+        objslots = 255;
+        status = boardobjgrpmask_e255_init(&pboardobjgrp_e255->mask, NULL);
+        if (status)
+                goto boardobjgrpconstruct_e255_exit;
+
+        pboardobjgrp_e255->super.type      = CTRL_BOARDOBJGRP_TYPE_E255;
+        pboardobjgrp_e255->super.ppobjects = pboardobjgrp_e255->objects;
+        pboardobjgrp_e255->super.objslots  = objslots;
+        pboardobjgrp_e255->super.mask     = &(pboardobjgrp_e255->mask.super);
+
+        status = boardobjgrp_construct_super(&pboardobjgrp_e255->super);
+        if (status)
+                goto boardobjgrpconstruct_e255_exit;
+
+        pboardobjgrp_e255->super.destruct = boardobjgrpdestruct_e255;
+
+        pboardobjgrp_e255->super.pmuhdrdatainit =
+                boardobjgrp_pmuhdrdatainit_e255;
+
+boardobjgrpconstruct_e255_exit:
+        return status;
+}
+
+u32 boardobjgrpdestruct_e255(struct boardobjgrp *pboardobjgrp)
+{
+        u32 status = 0;
+
+        gk20a_dbg_info("");
+
+        pboardobjgrp->mask     = NULL;
+        pboardobjgrp->objslots  = 0;
+        pboardobjgrp->ppobjects = NULL;
+
+        return status;
+}
+
+u32 boardobjgrp_pmuhdrdatainit_e255(struct gk20a *g,
+                struct boardobjgrp *pboardobjgrp,
+                struct nv_pmu_boardobjgrp_super *pboardobjgrppmu,
+                struct boardobjgrpmask *mask)
+{
+        struct nv_pmu_boardobjgrp_e255 *pgrpe255 =
+                (struct nv_pmu_boardobjgrp_e255 *)pboardobjgrppmu;
+        u32 status;
+
+        gk20a_dbg_info("");
+
+        if (pboardobjgrp == NULL)
+                return -EINVAL;
+
+        if (pboardobjgrppmu == NULL)
+                return -EINVAL;
+
+        status = boardobjgrpmask_export(mask,
+                                mask->bitcount,
+                                &pgrpe255->obj_mask.super);
+        if (status) {
+                gk20a_err(dev_from_gk20a(g), "e255 init:failed export grpmask");
+                return status;
+        }
+
+        return boardobjgrp_pmuhdrdatainit_super(g,
+                        pboardobjgrp, pboardobjgrppmu, mask);
+}