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, 80 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/boardobj/boardobj.c b/drivers/gpu/nvgpu/boardobj/boardobj.c
new file mode 100644
index 00000000..86b639cc
--- /dev/null
+++ b/drivers/gpu/nvgpu/boardobj/boardobj.c
@@ -0,0 +1,80 @@
+/*
+ * 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 <linux/firmware.h>
+#include <linux/module.h>
+#include <linux/uaccess.h>
+#include "boardobj.h"
+#include "ctrl/ctrlboardobj.h"
+#include "pmuif/gpmuifboardobj.h"
+
+
+u32 boardobj_construct_super(struct gk20a *g, struct boardobj **ppboardobj,
+                                u16 size, void *args)
+{
+        struct boardobj  *pboardobj = NULL;
+        struct boardobj  *devtmp = (struct boardobj *)args;
+
+        gk20a_dbg_info(" ");
+
+        if (devtmp == NULL)
+                return -EINVAL;
+
+        if (*ppboardobj == NULL) {
+                *ppboardobj = kzalloc(size, GFP_KERNEL);
+                if (ppboardobj == NULL)
+                        return -ENOMEM;
+        }
+
+        pboardobj = *ppboardobj;
+        pboardobj->type = devtmp->type;
+        pboardobj->idx = CTRL_BOARDOBJ_IDX_INVALID;
+        pboardobj->type_mask   = BIT(pboardobj->type) | devtmp->type_mask;
+
+        pboardobj->implements  = boardobj_implements_super;
+        pboardobj->destruct    = boardobj_destruct_super;
+        pboardobj->pmudatainit = boardobj_pmudatainit_super;
+
+        return 0;
+}
+
+u32 boardobj_destruct_super(struct boardobj *pboardobj)
+{
+        gk20a_dbg_info("");
+        if (pboardobj == NULL)
+                return -EINVAL;
+        kfree(pboardobj);
+        return 0;
+}
+
+bool boardobj_implements_super(struct gk20a *g, struct boardobj *pboardobj,
+        u8 type)
+{
+        gk20a_dbg_info("");
+
+        return (0 != (pboardobj->type_mask & BIT(type)));
+}
+
+u32 boardobj_pmudatainit_super(struct gk20a *g, struct boardobj *pboardobj,
+                                struct nv_pmu_boardobj *pmudata)
+{
+        gk20a_dbg_info("");
+        if (pboardobj == NULL)
+                return -EINVAL;
+        if (pmudata == NULL)
+                return -EINVAL;
+        pmudata->type = pboardobj->type;
+        gk20a_dbg_info(" Done");
+        return 0;
+}