gpu: nvgpu: Add dGPU clocks support

JIRA DNVGPU-42

Change-Id: Ic2fca9d0cf82f2823654ac5e8f0772a1eec7b3b5
Signed-off-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1205850
(cherry picked from commit b9f5c6bc4e649162d63e33d65b725872340ca114)
Reviewed-on: http://git-master/r/1227257
GVS: Gerrit_Virtual_Submit

1 files changed, 74 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/clk/clk_vf_point.h b/drivers/gpu/nvgpu/clk/clk_vf_point.h
new file mode 100644
index 00000000..708f80f1
--- /dev/null
+++ b/drivers/gpu/nvgpu/clk/clk_vf_point.h
@@ -0,0 +1,74 @@
+/*
+* 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 _CLKVFPOINT_H_
+#define _CLKVFPOINT_H_
+#include "ctrl/ctrlclk.h"
+#include "ctrl/ctrlboardobj.h"
+#include "pmuif/gpmuifclk.h"
+#include "boardobj/boardobjgrp_e32.h"
+#include "boardobj/boardobjgrpmask.h"
+
+u32 clk_vf_point_sw_setup(struct gk20a *g);
+u32 clk_vf_point_pmu_setup(struct gk20a *g);
+
+struct clk_vf_points {
+        struct boardobjgrp_e255 super;
+};
+
+struct clk_vf_point {
+        struct boardobj super;
+        u8  vfe_equ_idx;
+        u8  volt_rail_idx;
+        struct ctrl_clk_vf_pair pair;
+};
+
+struct clk_vf_point_volt {
+        struct clk_vf_point super;
+        u32 source_voltage_uv;
+        u8 vf_gain_vfe_equ_idx;
+        u8 clk_domain_idx;
+        u16 vf_gain_value;
+        int freq_delta_khz;
+
+};
+
+struct clk_vf_point_freq {
+        struct clk_vf_point super;
+        int volt_delta_uv;
+};
+
+#define CLK_CLK_VF_POINT_GET(pclk, idx)                                        \
+        ((struct clk_vf_point)BOARDOBJGRP_OBJ_GET_BY_IDX(                      \
+                &pclk->vfpoints.super.super, (u8)(idx)))
+
+#define clkvfpointpairget(pvfpoint)                                            \
+        (&((pvfpoint)->pair))
+
+#define clkvfpointfreqmhzget(pgpu, pvfpoint)                                   \
+        CTRL_CLK_VF_PAIR_FREQ_MHZ_GET(clkvfpointpairget(pvfpoint))
+
+#define clkvfpointfreqdeltamhzGet(pgpu, pvfPoint)                              \
+        ((BOARDOBJ_GET_TYPE(pvfpoint) == CTRL_CLK_CLK_VF_POINT_TYPE_VOLT) ?    \
+        (((struct clk_vf_point_volt *)(pvfpoint))->freq_delta_khz / 1000) : 0)
+
+#define clkvfpointfreqmhzset(pgpu, pvfpoint, _freqmhz)                         \
+        CTRL_CLK_VF_PAIR_FREQ_MHZ_SET(clkvfpointpairget(pvfpoint), _freqmhz)
+
+#define clkvfpointvoltageuvset(pgpu, pvfpoint, _voltageuv)                     \
+        CTRL_CLK_VF_PAIR_VOLTAGE_UV_SET(clkvfpointpairget(pvfpoint),           \
+        _voltageuv)
+
+struct clk_vf_point *construct_clk_vf_point(struct gk20a *g, void *pargs);
+
+#endif