1 files changed, 102 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/boardobj/boardobj.h b/drivers/gpu/nvgpu/boardobj/boardobj.h
new file mode 100644
index 00000000..a433fda8
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+++ b/drivers/gpu/nvgpu/boardobj/boardobj.h
@@ -0,0 +1,102 @@
+/*
+* Copyright (c) 2016-2017, NVIDIA CORPORATION.  All rights reserved.
+*
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef _BOARDOBJ_H_
+#define _BOARDOBJ_H_
+
+#include <nvgpu/pmuif/nvgpu_gpmu_cmdif.h>
+
+#include "ctrl/ctrlboardobj.h"
+
+struct boardobj;
+
+/*
+* check whether the specified BOARDOBJ object implements the queried
+* type/class enumeration.
+*/
+typedef bool boardobj_implements(struct gk20a *g, struct boardobj *pboardobj,
+                                        u8 type);
+
+/*
+* Fills out the appropriate the nv_pmu_xxxx_device_desc_<xyz> driver->PMU
+* description structure, describing this BOARDOBJ board device to the PMU.
+*
+*/
+typedef u32 boardobj_pmudatainit(struct gk20a *g, struct boardobj *pboardobj,
+                                struct nv_pmu_boardobj *pmudata);
+
+/*
+* Constructor for the base Board Object. Called by each device-specific
+* implementation of the BOARDOBJ interface to initialize the board object.
+*/
+typedef u32 boardobj_construct(struct gk20a *g, struct boardobj **pboardobj,
+                                u16 size, void *args);
+
+/*
+* Destructor for the base board object. Called by each device-Specific
+* implementation of the BOARDOBJ interface to destroy the board object.
+* This has to be explicitly set by each device that extends from the
+* board object.
+*/
+typedef u32 boardobj_destruct(struct boardobj *pboardobj);
+
+/*
+* Base Class for all physical or logical device on the PCB.
+* Contains fields common to all devices on the board. Specific types of
+* devices may extend this object adding any details specific to that
+* device or device-type.
+*/
+
+struct boardobj {
+        struct gk20a *g;
+
+        u8 type; /*type of the device*/
+        u8 idx;  /*index of boardobj within in its group*/
+        /* true if allocated in constructor. destructor should free */
+        u8 allocated;
+        u32 type_mask; /*mask of types this boardobjimplements*/
+        boardobj_implements  *implements;
+        boardobj_destruct    *destruct;
+        /*
+        * Access interface apis which will be overridden by the devices
+        * that inherit from BOARDOBJ
+        */
+        boardobj_pmudatainit *pmudatainit;
+        struct nvgpu_list_node node;
+};
+
+boardobj_construct   boardobj_construct_super;
+boardobj_destruct    boardobj_destruct_super;
+boardobj_implements  boardobj_implements_super;
+boardobj_pmudatainit boardobj_pmudatainit_super;
+
+#define BOARDOBJ_GET_TYPE(pobj) (((struct boardobj *)(pobj))->type)
+#define BOARDOBJ_GET_IDX(pobj) (((struct boardobj *)(pobj))->idx)
+
+static inline struct boardobj *
+boardobj_from_node(struct nvgpu_list_node *node)
+{
+        return (struct boardobj *)
+                ((uintptr_t)node - offsetof(struct boardobj, node));
+};
+
+#endif