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, 110 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/boardobj/boardobjgrpmask.h b/drivers/gpu/nvgpu/boardobj/boardobjgrpmask.h
new file mode 100644
index 00000000..c601d9d2
--- /dev/null
+++ b/drivers/gpu/nvgpu/boardobj/boardobjgrpmask.h
@@ -0,0 +1,110 @@
+/*
+ * 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 _BOARDOBJGRPMASK_H_
+#define _BOARDOBJGRPMASK_H_
+
+#include "ctrl/ctrlboardobj.h"
+
+
+/*
+* Board Object Group Mask super-structure.
+* Used to unify access to all BOARDOBJGRPMASK_E** child classes
+*/
+struct boardobjgrpmask {
+        /* Number of bits supported by the mask */
+        u8  bitcount;
+        /* Number of 32-bit words required to store all @ref bitCount bits */
+        u8  maskdatacount;
+        /*
+        * Bit-mask of used-bits within last 32-bit word. Used to
+        * normalize data
+        */
+        u32 lastmaskfilter;
+        /*
+        * Start of the array of 32-bit words representing the bit-mask
+        * Must be the last element of the structure.
+        */
+         u32 data[CTRL_BOARDOBJGRP_MASK_ARRAY_START_SIZE];
+};
+
+struct boardobjgrpmask_e32 {
+        /*
+        * BOARDOBJGRPMASK super-class. Must be the first element of the
+        * structure.
+        */
+        struct boardobjgrpmask super;
+         /*u32   data_e32[1]; */
+};
+
+struct boardobjgrpmask_e255 {
+        /*
+        * BOARDOBJGRPMASK super-class. Must be the first element of the
+        * structure.
+        */
+        struct boardobjgrpmask super;
+        u32   data_e255[254];
+};
+
+/* Init and I/O operations.*/
+u32 boardobjgrpmask_init(struct boardobjgrpmask *mask, u8 bitsize,
+                struct ctrl_boardobjgrp_mask *extmask);
+u32 boardobjgrpmask_import(struct boardobjgrpmask *mask, u8 bitsize,
+                struct ctrl_boardobjgrp_mask *extmask);
+u32 boardobjgrpmask_export(struct boardobjgrpmask *mask, u8 bitsize,
+                struct ctrl_boardobjgrp_mask *extmask);
+
+/* Operations on all bits of a single mask.*/
+u32 boardobjgrpmask_clr(struct boardobjgrpmask *mask);
+u32 boardobjgrpmask_set(struct boardobjgrpmask *mask);
+u32 boardobjgrpmask_inv(struct boardobjgrpmask *mask);
+bool boardobjgrpmask_iszero(struct boardobjgrpmask *mask);
+u8 boardobjgrpmask_bitsetcount(struct boardobjgrpmask *mask);
+u8 boardobjgrpmask_bitidxlowest(struct boardobjgrpmask *mask);
+u8 boardobjgrpmask_bitidxhighest(struct boardobjgrpmask *mask);
+
+/* Operations on a single bit of a single mask */
+u32 boardobjgrpmask_bitclr(struct boardobjgrpmask *mask, u8 bitidx);
+u32 boardobjgrpmask_bitset(struct boardobjgrpmask *mask, u8 bitidx);
+u32 boardobjgrpmask_bitinv(struct boardobjgrpmask *mask, u8 bitidx);
+bool boardobjgrpmask_bitget(struct boardobjgrpmask *mask, u8 bitidx);
+
+/* Operations on a multiple masks */
+u32 boardobjgrpmask_and(struct boardobjgrpmask *dst,
+                        struct boardobjgrpmask *op1,
+                        struct boardobjgrpmask *op2);
+u32 boardobjgrpmask_or(struct boardobjgrpmask *dst, struct boardobjgrpmask *op1,
+                       struct boardobjgrpmask *op2);
+u32 boardobjgrpmask_xor(struct boardobjgrpmask *dst,
+                        struct boardobjgrpmask *op1,
+                        struct boardobjgrpmask *op2);
+
+/* Special interfaces */
+u32 boardobjgrpmask_copy(struct boardobjgrpmask *dst,
+                struct boardobjgrpmask *src);
+bool boardobjgrpmask_sizeeq(struct boardobjgrpmask *op1,
+                struct boardobjgrpmask *op2);
+bool boardobjgrpmask_issubset(struct boardobjgrpmask *op1,
+                struct boardobjgrpmask *op2);
+
+/* init boardobjgrpmask_e32 structure */
+#define boardobjgrpmask_e32_init(pmaske32, pextmask)                           \
+        boardobjgrpmask_init(&(pmaske32)->super,                               \
+                CTRL_BOARDOBJGRP_E32_MAX_OBJECTS, (pextmask))
+
+/* init boardobjgrpmask_e255 structure */
+#define boardobjgrpmask_e255_init(pmaske255, pextmask)                         \
+        boardobjgrpmask_init(&(pmaske255)->super,                              \
+                CTRL_BOARDOBJGRP_E255_MAX_OBJECTS, (pextmask))
+
+#endif