Quellcode-Bibliothek ni_dpm.c

/*
 * Copyright 2012 Advanced Micro Devices, Inc.
 *
 * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
 *
 */

#include <linux/math64.h>
#include <linux/pci.h>
#include <linux/seq_file.h>

#include "atom.h"
#include "evergreen.h"
#include "ni_dpm.h"
#include "nid.h"
#include "r600_dpm.h"
#include "rv770.h"
#include "radeon.h"
#include "radeon_asic.h"

#define MC_CG_ARB_FREQ_F0           0x0a
#define MC_CG_ARB_FREQ_F1           0x0b
#define MC_CG_ARB_FREQ_F2           0x0c
#define MC_CG_ARB_FREQ_F3           0x0d

#define SMC_RAM_END 0xC000

static const struct ni_cac_weights cac_weights_cayman_xt =
{
 0x15,
 0x2,
 0x19,
 0x2,
 0x8,
 0x14,
 0x2,
 0x16,
 0xE,
 0x17,
 0x13,
 0x2B,
 0x10,
 0x7,
 0x5,
 0x5,
 0x5,
 0x2,
 0x3,
 0x9,
 0x10,
 0x10,
 0x2B,
 0xA,
 0x9,
 0x4,
 0xD,
 0xD,
 0x3E,
 0x18,
 0x14,
 0,
 0x3,
 0x3,
 0x5,
 0,
 0x2,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0,
 0x1CC,
 0,
 0x164,
 1,
 1,
 1,
 1,
 12,
 12,
 12,
 0x12,
 0x1F,
 132,
 5,
 7,
 0,
 { 0, 0, 0, 0, 0, 0, 0, 0 },
 { 0, 0, 0, 0 },
 true
};

static const struct ni_cac_weights cac_weights_cayman_pro =
{
 0x16,
 0x4,
 0x10,
 0x2,
 0xA,
 0x16,
 0x2,
 0x18,
 0x10,
 0x1A,
 0x16,
 0x2D,
 0x12,
 0xA,
 0x6,
 0x6,
 0x6,
 0x2,
 0x4,
 0xB,
 0x11,
 0x11,
 0x2D,
 0xC,
 0xC,
 0x7,
 0x10,
 0x10,
 0x3F,
 0x1A,
 0x16,
 0,
 0x7,
 0x4,
 0x6,
 1,
 0x2,
 0x1,
 0,
 0,
 0,
 0,
 0,
 0,
 0x30,
 0,
 0x1CF,
 0,
 0x166,
 1,
 1,
 1,
 1,
 12,
 12,
 12,
 0x15,
 0x1F,
 132,
 6,
 6,
 0,
 { 0, 0, 0, 0, 0, 0, 0, 0 },
 { 0, 0, 0, 0 },
 true
};

static const struct ni_cac_weights cac_weights_cayman_le =
{
 0x7,
 0xE,
 0x1,
 0xA,
 0x1,
 0x3F,
 0x2,
 0x18,
 0x10,
 0x1A,
 0x1,
 0x3F,
 0x1,
 0xE,
 0x6,
 0x6,
 0x6,
 0x2,
 0x4,
 0x9,
 0x1A,
 0x1A,
 0x2C,
 0xA,
 0x11,
 0x8,
 0x19,
 0x19,
 0x1,
 0x1,
 0x1A,
 0,
 0x8,
 0x5,
 0x8,
 0x1,
 0x3,
 0x1,
 0,
 0,
 0,
 0,
 0,
 0,
 0x38,
 0x38,
 0x239,
 0x3,
 0x18A,
 1,
 1,
 1,
 1,
 12,
 12,
 12,
 0x15,
 0x22,
 132,
 6,
 6,
 0,
 { 0, 0, 0, 0, 0, 0, 0, 0 },
 { 0, 0, 0, 0 },
 true
};

#define NISLANDS_MGCG_SEQUENCE  300

static const u32 cayman_cgcg_cgls_default[] =
{
 0x000008f8, 0x00000010, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000011, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000012, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000013, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000014, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000015, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000016, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000017, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000018, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000019, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x0000001a, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x0000001b, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000020, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000021, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000022, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000023, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000024, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000025, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000026, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000027, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000028, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000029, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x0000002a, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x0000002b, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff
};
#define CAYMAN_CGCG_CGLS_DEFAULT_LENGTH sizeof(cayman_cgcg_cgls_default) / (3 * sizeof(u32))

static const u32 cayman_cgcg_cgls_disable[] =
{
 0x000008f8, 0x00000010, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000011, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000012, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000013, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000014, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000015, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000016, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000017, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000018, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000019, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x0000001a, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x0000001b, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000020, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000021, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000022, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000023, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000024, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000025, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000026, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000027, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000028, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000029, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x0000002a, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x0000002b, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x00000644, 0x000f7902, 0x001f4180,
 0x00000644, 0x000f3802, 0x001f4180
};
#define CAYMAN_CGCG_CGLS_DISABLE_LENGTH sizeof(cayman_cgcg_cgls_disable) / (3 * sizeof(u32))

static const u32 cayman_cgcg_cgls_enable[] =
{
 0x00000644, 0x000f7882, 0x001f4080,
 0x000008f8, 0x00000010, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000011, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000012, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000013, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000014, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000015, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000016, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000017, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000018, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000019, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x0000001a, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x0000001b, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000020, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000021, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000022, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000023, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000024, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000025, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000026, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000027, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000028, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000029, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x0000002a, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x0000002b, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff
};
#define CAYMAN_CGCG_CGLS_ENABLE_LENGTH  sizeof(cayman_cgcg_cgls_enable) / (3 * sizeof(u32))

static const u32 cayman_mgcg_default[] =
{
 0x0000802c, 0xc0000000, 0xffffffff,
 0x00003fc4, 0xc0000000, 0xffffffff,
 0x00005448, 0x00000100, 0xffffffff,
 0x000055e4, 0x00000100, 0xffffffff,
 0x0000160c, 0x00000100, 0xffffffff,
 0x00008984, 0x06000100, 0xffffffff,
 0x0000c164, 0x00000100, 0xffffffff,
 0x00008a18, 0x00000100, 0xffffffff,
 0x0000897c, 0x06000100, 0xffffffff,
 0x00008b28, 0x00000100, 0xffffffff,
 0x00009144, 0x00800200, 0xffffffff,
 0x00009a60, 0x00000100, 0xffffffff,
 0x00009868, 0x00000100, 0xffffffff,
 0x00008d58, 0x00000100, 0xffffffff,
 0x00009510, 0x00000100, 0xffffffff,
 0x0000949c, 0x00000100, 0xffffffff,
 0x00009654, 0x00000100, 0xffffffff,
 0x00009030, 0x00000100, 0xffffffff,
 0x00009034, 0x00000100, 0xffffffff,
 0x00009038, 0x00000100, 0xffffffff,
 0x0000903c, 0x00000100, 0xffffffff,
 0x00009040, 0x00000100, 0xffffffff,
 0x0000a200, 0x00000100, 0xffffffff,
 0x0000a204, 0x00000100, 0xffffffff,
 0x0000a208, 0x00000100, 0xffffffff,
 0x0000a20c, 0x00000100, 0xffffffff,
 0x00009744, 0x00000100, 0xffffffff,
 0x00003f80, 0x00000100, 0xffffffff,
 0x0000a210, 0x00000100, 0xffffffff,
 0x0000a214, 0x00000100, 0xffffffff,
 0x000004d8, 0x00000100, 0xffffffff,
 0x00009664, 0x00000100, 0xffffffff,
 0x00009698, 0x00000100, 0xffffffff,
 0x000004d4, 0x00000200, 0xffffffff,
 0x000004d0, 0x00000000, 0xffffffff,
 0x000030cc, 0x00000104, 0xffffffff,
 0x0000d0c0, 0x00000100, 0xffffffff,
 0x0000d8c0, 0x00000100, 0xffffffff,
 0x0000802c, 0x40000000, 0xffffffff,
 0x00003fc4, 0x40000000, 0xffffffff,
 0x0000915c, 0x00010000, 0xffffffff,
 0x00009160, 0x00030002, 0xffffffff,
 0x00009164, 0x00050004, 0xffffffff,
 0x00009168, 0x00070006, 0xffffffff,
 0x00009178, 0x00070000, 0xffffffff,
 0x0000917c, 0x00030002, 0xffffffff,
 0x00009180, 0x00050004, 0xffffffff,
 0x0000918c, 0x00010006, 0xffffffff,
 0x00009190, 0x00090008, 0xffffffff,
 0x00009194, 0x00070000, 0xffffffff,
 0x00009198, 0x00030002, 0xffffffff,
 0x0000919c, 0x00050004, 0xffffffff,
 0x000091a8, 0x00010006, 0xffffffff,
 0x000091ac, 0x00090008, 0xffffffff,
 0x000091b0, 0x00070000, 0xffffffff,
 0x000091b4, 0x00030002, 0xffffffff,
 0x000091b8, 0x00050004, 0xffffffff,
 0x000091c4, 0x00010006, 0xffffffff,
 0x000091c8, 0x00090008, 0xffffffff,
 0x000091cc, 0x00070000, 0xffffffff,
 0x000091d0, 0x00030002, 0xffffffff,
 0x000091d4, 0x00050004, 0xffffffff,
 0x000091e0, 0x00010006, 0xffffffff,
 0x000091e4, 0x00090008, 0xffffffff,
 0x000091e8, 0x00000000, 0xffffffff,
 0x000091ec, 0x00070000, 0xffffffff,
 0x000091f0, 0x00030002, 0xffffffff,
 0x000091f4, 0x00050004, 0xffffffff,
 0x00009200, 0x00010006, 0xffffffff,
 0x00009204, 0x00090008, 0xffffffff,
 0x00009208, 0x00070000, 0xffffffff,
 0x0000920c, 0x00030002, 0xffffffff,
 0x00009210, 0x00050004, 0xffffffff,
 0x0000921c, 0x00010006, 0xffffffff,
 0x00009220, 0x00090008, 0xffffffff,
 0x00009224, 0x00070000, 0xffffffff,
 0x00009228, 0x00030002, 0xffffffff,
 0x0000922c, 0x00050004, 0xffffffff,
 0x00009238, 0x00010006, 0xffffffff,
 0x0000923c, 0x00090008, 0xffffffff,
 0x00009240, 0x00070000, 0xffffffff,
 0x00009244, 0x00030002, 0xffffffff,
 0x00009248, 0x00050004, 0xffffffff,
 0x00009254, 0x00010006, 0xffffffff,
 0x00009258, 0x00090008, 0xffffffff,
 0x0000925c, 0x00070000, 0xffffffff,
 0x00009260, 0x00030002, 0xffffffff,
 0x00009264, 0x00050004, 0xffffffff,
 0x00009270, 0x00010006, 0xffffffff,
 0x00009274, 0x00090008, 0xffffffff,
 0x00009278, 0x00070000, 0xffffffff,
 0x0000927c, 0x00030002, 0xffffffff,
 0x00009280, 0x00050004, 0xffffffff,
 0x0000928c, 0x00010006, 0xffffffff,
 0x00009290, 0x00090008, 0xffffffff,
 0x000092a8, 0x00070000, 0xffffffff,
 0x000092ac, 0x00030002, 0xffffffff,
 0x000092b0, 0x00050004, 0xffffffff,
 0x000092bc, 0x00010006, 0xffffffff,
 0x000092c0, 0x00090008, 0xffffffff,
 0x000092c4, 0x00070000, 0xffffffff,
 0x000092c8, 0x00030002, 0xffffffff,
 0x000092cc, 0x00050004, 0xffffffff,
 0x000092d8, 0x00010006, 0xffffffff,
 0x000092dc, 0x00090008, 0xffffffff,
 0x00009294, 0x00000000, 0xffffffff,
 0x0000802c, 0x40010000, 0xffffffff,
 0x00003fc4, 0x40010000, 0xffffffff,
 0x0000915c, 0x00010000, 0xffffffff,
 0x00009160, 0x00030002, 0xffffffff,
 0x00009164, 0x00050004, 0xffffffff,
 0x00009168, 0x00070006, 0xffffffff,
 0x00009178, 0x00070000, 0xffffffff,
 0x0000917c, 0x00030002, 0xffffffff,
 0x00009180, 0x00050004, 0xffffffff,
 0x0000918c, 0x00010006, 0xffffffff,
 0x00009190, 0x00090008, 0xffffffff,
 0x00009194, 0x00070000, 0xffffffff,
 0x00009198, 0x00030002, 0xffffffff,
 0x0000919c, 0x00050004, 0xffffffff,
 0x000091a8, 0x00010006, 0xffffffff,
 0x000091ac, 0x00090008, 0xffffffff,
 0x000091b0, 0x00070000, 0xffffffff,
 0x000091b4, 0x00030002, 0xffffffff,
 0x000091b8, 0x00050004, 0xffffffff,
 0x000091c4, 0x00010006, 0xffffffff,
 0x000091c8, 0x00090008, 0xffffffff,
 0x000091cc, 0x00070000, 0xffffffff,
 0x000091d0, 0x00030002, 0xffffffff,
 0x000091d4, 0x00050004, 0xffffffff,
 0x000091e0, 0x00010006, 0xffffffff,
 0x000091e4, 0x00090008, 0xffffffff,
 0x000091e8, 0x00000000, 0xffffffff,
 0x000091ec, 0x00070000, 0xffffffff,
 0x000091f0, 0x00030002, 0xffffffff,
 0x000091f4, 0x00050004, 0xffffffff,
 0x00009200, 0x00010006, 0xffffffff,
 0x00009204, 0x00090008, 0xffffffff,
 0x00009208, 0x00070000, 0xffffffff,
 0x0000920c, 0x00030002, 0xffffffff,
 0x00009210, 0x00050004, 0xffffffff,
 0x0000921c, 0x00010006, 0xffffffff,
 0x00009220, 0x00090008, 0xffffffff,
 0x00009224, 0x00070000, 0xffffffff,
 0x00009228, 0x00030002, 0xffffffff,
 0x0000922c, 0x00050004, 0xffffffff,
 0x00009238, 0x00010006, 0xffffffff,
 0x0000923c, 0x00090008, 0xffffffff,
 0x00009240, 0x00070000, 0xffffffff,
 0x00009244, 0x00030002, 0xffffffff,
 0x00009248, 0x00050004, 0xffffffff,
 0x00009254, 0x00010006, 0xffffffff,
 0x00009258, 0x00090008, 0xffffffff,
 0x0000925c, 0x00070000, 0xffffffff,
 0x00009260, 0x00030002, 0xffffffff,
 0x00009264, 0x00050004, 0xffffffff,
 0x00009270, 0x00010006, 0xffffffff,
 0x00009274, 0x00090008, 0xffffffff,
 0x00009278, 0x00070000, 0xffffffff,
 0x0000927c, 0x00030002, 0xffffffff,
 0x00009280, 0x00050004, 0xffffffff,
 0x0000928c, 0x00010006, 0xffffffff,
 0x00009290, 0x00090008, 0xffffffff,
 0x000092a8, 0x00070000, 0xffffffff,
 0x000092ac, 0x00030002, 0xffffffff,
 0x000092b0, 0x00050004, 0xffffffff,
 0x000092bc, 0x00010006, 0xffffffff,
 0x000092c0, 0x00090008, 0xffffffff,
 0x000092c4, 0x00070000, 0xffffffff,
 0x000092c8, 0x00030002, 0xffffffff,
 0x000092cc, 0x00050004, 0xffffffff,
 0x000092d8, 0x00010006, 0xffffffff,
 0x000092dc, 0x00090008, 0xffffffff,
 0x00009294, 0x00000000, 0xffffffff,
 0x0000802c, 0xc0000000, 0xffffffff,
 0x00003fc4, 0xc0000000, 0xffffffff,
 0x000008f8, 0x00000010, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000011, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000012, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000013, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000014, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000015, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000016, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000017, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000018, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000019, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x0000001a, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x0000001b, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff
};
#define CAYMAN_MGCG_DEFAULT_LENGTH sizeof(cayman_mgcg_default) / (3 * sizeof(u32))

static const u32 cayman_mgcg_disable[] =
{
 0x0000802c, 0xc0000000, 0xffffffff,
 0x000008f8, 0x00000000, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000001, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000002, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x000008f8, 0x00000003, 0xffffffff,
 0x000008fc, 0xffffffff, 0xffffffff,
 0x00009150, 0x00600000, 0xffffffff
};
#define CAYMAN_MGCG_DISABLE_LENGTH   sizeof(cayman_mgcg_disable) / (3 * sizeof(u32))

static const u32 cayman_mgcg_enable[] =
{
 0x0000802c, 0xc0000000, 0xffffffff,
 0x000008f8, 0x00000000, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000001, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x000008f8, 0x00000002, 0xffffffff,
 0x000008fc, 0x00600000, 0xffffffff,
 0x000008f8, 0x00000003, 0xffffffff,
 0x000008fc, 0x00000000, 0xffffffff,
 0x00009150, 0x96944200, 0xffffffff
};

#define CAYMAN_MGCG_ENABLE_LENGTH   sizeof(cayman_mgcg_enable) / (3 * sizeof(u32))

#define NISLANDS_SYSLS_SEQUENCE  100

static const u32 cayman_sysls_default[] =
{
 /* Register,   Value,     Mask bits */
 0x000055e8, 0x00000000, 0xffffffff,
 0x0000d0bc, 0x00000000, 0xffffffff,
 0x0000d8bc, 0x00000000, 0xffffffff,
 0x000015c0, 0x000c1401, 0xffffffff,
 0x0000264c, 0x000c0400, 0xffffffff,
 0x00002648, 0x000c0400, 0xffffffff,
 0x00002650, 0x000c0400, 0xffffffff,
 0x000020b8, 0x000c0400, 0xffffffff,
 0x000020bc, 0x000c0400, 0xffffffff,
 0x000020c0, 0x000c0c80, 0xffffffff,
 0x0000f4a0, 0x000000c0, 0xffffffff,
 0x0000f4a4, 0x00680fff, 0xffffffff,
 0x00002f50, 0x00000404, 0xffffffff,
 0x000004c8, 0x00000001, 0xffffffff,
 0x000064ec, 0x00000000, 0xffffffff,
 0x00000c7c, 0x00000000, 0xffffffff,
 0x00008dfc, 0x00000000, 0xffffffff
};
#define CAYMAN_SYSLS_DEFAULT_LENGTH sizeof(cayman_sysls_default) / (3 * sizeof(u32))

static const u32 cayman_sysls_disable[] =
{
 /* Register,   Value,     Mask bits */
 0x0000d0c0, 0x00000000, 0xffffffff,
 0x0000d8c0, 0x00000000, 0xffffffff,
 0x000055e8, 0x00000000, 0xffffffff,
 0x0000d0bc, 0x00000000, 0xffffffff,
 0x0000d8bc, 0x00000000, 0xffffffff,
 0x000015c0, 0x00041401, 0xffffffff,
 0x0000264c, 0x00040400, 0xffffffff,
 0x00002648, 0x00040400, 0xffffffff,
 0x00002650, 0x00040400, 0xffffffff,
 0x000020b8, 0x00040400, 0xffffffff,
 0x000020bc, 0x00040400, 0xffffffff,
 0x000020c0, 0x00040c80, 0xffffffff,
 0x0000f4a0, 0x000000c0, 0xffffffff,
 0x0000f4a4, 0x00680000, 0xffffffff,
 0x00002f50, 0x00000404, 0xffffffff,
 0x000004c8, 0x00000001, 0xffffffff,
 0x000064ec, 0x00007ffd, 0xffffffff,
 0x00000c7c, 0x0000ff00, 0xffffffff,
 0x00008dfc, 0x0000007f, 0xffffffff
};
#define CAYMAN_SYSLS_DISABLE_LENGTH sizeof(cayman_sysls_disable) / (3 * sizeof(u32))

static const u32 cayman_sysls_enable[] =
{
 /* Register,   Value,     Mask bits */
 0x000055e8, 0x00000001, 0xffffffff,
 0x0000d0bc, 0x00000100, 0xffffffff,
 0x0000d8bc, 0x00000100, 0xffffffff,
 0x000015c0, 0x000c1401, 0xffffffff,
 0x0000264c, 0x000c0400, 0xffffffff,
 0x00002648, 0x000c0400, 0xffffffff,
 0x00002650, 0x000c0400, 0xffffffff,
 0x000020b8, 0x000c0400, 0xffffffff,
 0x000020bc, 0x000c0400, 0xffffffff,
 0x000020c0, 0x000c0c80, 0xffffffff,
 0x0000f4a0, 0x000000c0, 0xffffffff,
 0x0000f4a4, 0x00680fff, 0xffffffff,
 0x00002f50, 0x00000903, 0xffffffff,
 0x000004c8, 0x00000000, 0xffffffff,
 0x000064ec, 0x00000000, 0xffffffff,
 0x00000c7c, 0x00000000, 0xffffffff,
 0x00008dfc, 0x00000000, 0xffffffff
};
#define CAYMAN_SYSLS_ENABLE_LENGTH sizeof(cayman_sysls_enable) / (3 * sizeof(u32))

extern int ni_mc_load_microcode(struct radeon_device *rdev);

struct ni_power_info *ni_get_pi(struct radeon_device *rdev)
{
 struct ni_power_info *pi = rdev->pm.dpm.priv;

 return pi;
}

struct ni_ps *ni_get_ps(struct radeon_ps *rps)
{
 struct ni_ps *ps = rps->ps_priv;

 return ps;
}

static void ni_calculate_leakage_for_v_and_t_formula(const struct ni_leakage_coeffients *coeff,
           u16 v, s32 t,
           u32 ileakage,
           u32 *leakage)
{
 s64 kt, kv, leakage_w, i_leakage, vddc, temperature;

 i_leakage = div64_s64(drm_int2fixp(ileakage), 1000);
 vddc = div64_s64(drm_int2fixp(v), 1000);
 temperature = div64_s64(drm_int2fixp(t), 1000);

 kt = drm_fixp_mul(div64_s64(drm_int2fixp(coeff->at), 1000),
     drm_fixp_exp(drm_fixp_mul(div64_s64(drm_int2fixp(coeff->bt), 1000), temperature)));
 kv = drm_fixp_mul(div64_s64(drm_int2fixp(coeff->av), 1000),
     drm_fixp_exp(drm_fixp_mul(div64_s64(drm_int2fixp(coeff->bv), 1000), vddc)));

 leakage_w = drm_fixp_mul(drm_fixp_mul(drm_fixp_mul(i_leakage, kt), kv), vddc);

 *leakage = drm_fixp2int(leakage_w * 1000);
}

static void ni_calculate_leakage_for_v_and_t(struct radeon_device *rdev,
          const struct ni_leakage_coeffients *coeff,
          u16 v,
          s32 t,
          u32 i_leakage,
          u32 *leakage)
{
 ni_calculate_leakage_for_v_and_t_formula(coeff, v, t, i_leakage, leakage);
}

bool ni_dpm_vblank_too_short(struct radeon_device *rdev)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 u32 vblank_time = r600_dpm_get_vblank_time(rdev);
 /* we never hit the non-gddr5 limit so disable it */
 u32 switch_limit = pi->mem_gddr5 ? 450 : 0;

 if (vblank_time < switch_limit)
  return true;
 else
  return false;

}

static void ni_apply_state_adjust_rules(struct radeon_device *rdev,
     struct radeon_ps *rps)
{
 struct ni_ps *ps = ni_get_ps(rps);
 struct radeon_clock_and_voltage_limits *max_limits;
 bool disable_mclk_switching;
 u32 mclk;
 u16 vddci;
 int i;

 if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
     ni_dpm_vblank_too_short(rdev))
  disable_mclk_switching = true;
 else
  disable_mclk_switching = false;

 if (rdev->pm.dpm.ac_power)
  max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
 else
  max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc;

 if (rdev->pm.dpm.ac_power == false) {
  for (i = 0; i < ps->performance_level_count; i++) {
   if (ps->performance_levels[i].mclk > max_limits->mclk)
    ps->performance_levels[i].mclk = max_limits->mclk;
   if (ps->performance_levels[i].sclk > max_limits->sclk)
    ps->performance_levels[i].sclk = max_limits->sclk;
   if (ps->performance_levels[i].vddc > max_limits->vddc)
    ps->performance_levels[i].vddc = max_limits->vddc;
   if (ps->performance_levels[i].vddci > max_limits->vddci)
    ps->performance_levels[i].vddci = max_limits->vddci;
  }
 }

 /* XXX validate the min clocks required for display */

 /* adjust low state */
 if (disable_mclk_switching) {
  ps->performance_levels[0].mclk =
   ps->performance_levels[ps->performance_level_count - 1].mclk;
  ps->performance_levels[0].vddci =
   ps->performance_levels[ps->performance_level_count - 1].vddci;
 }

 btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
      &ps->performance_levels[0].sclk,
      &ps->performance_levels[0].mclk);

 for (i = 1; i < ps->performance_level_count; i++) {
  if (ps->performance_levels[i].sclk < ps->performance_levels[i - 1].sclk)
   ps->performance_levels[i].sclk = ps->performance_levels[i - 1].sclk;
  if (ps->performance_levels[i].vddc < ps->performance_levels[i - 1].vddc)
   ps->performance_levels[i].vddc = ps->performance_levels[i - 1].vddc;
 }

 /* adjust remaining states */
 if (disable_mclk_switching) {
  mclk = ps->performance_levels[0].mclk;
  vddci = ps->performance_levels[0].vddci;
  for (i = 1; i < ps->performance_level_count; i++) {
   if (mclk < ps->performance_levels[i].mclk)
    mclk = ps->performance_levels[i].mclk;
   if (vddci < ps->performance_levels[i].vddci)
    vddci = ps->performance_levels[i].vddci;
  }
  for (i = 0; i < ps->performance_level_count; i++) {
   ps->performance_levels[i].mclk = mclk;
   ps->performance_levels[i].vddci = vddci;
  }
 } else {
  for (i = 1; i < ps->performance_level_count; i++) {
   if (ps->performance_levels[i].mclk < ps->performance_levels[i - 1].mclk)
    ps->performance_levels[i].mclk = ps->performance_levels[i - 1].mclk;
   if (ps->performance_levels[i].vddci < ps->performance_levels[i - 1].vddci)
    ps->performance_levels[i].vddci = ps->performance_levels[i - 1].vddci;
  }
 }

 for (i = 1; i < ps->performance_level_count; i++)
  btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
       &ps->performance_levels[i].sclk,
       &ps->performance_levels[i].mclk);

 for (i = 0; i < ps->performance_level_count; i++)
  btc_adjust_clock_combinations(rdev, max_limits,
           &ps->performance_levels[i]);

 for (i = 0; i < ps->performance_level_count; i++) {
  btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
         ps->performance_levels[i].sclk,
         max_limits->vddc,  &ps->performance_levels[i].vddc);
  btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
         ps->performance_levels[i].mclk,
         max_limits->vddci, &ps->performance_levels[i].vddci);
  btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
         ps->performance_levels[i].mclk,
         max_limits->vddc,  &ps->performance_levels[i].vddc);
  btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk,
         rdev->clock.current_dispclk,
         max_limits->vddc,  &ps->performance_levels[i].vddc);
 }

 for (i = 0; i < ps->performance_level_count; i++) {
  btc_apply_voltage_delta_rules(rdev,
           max_limits->vddc, max_limits->vddci,
           &ps->performance_levels[i].vddc,
           &ps->performance_levels[i].vddci);
 }

 ps->dc_compatible = true;
 for (i = 0; i < ps->performance_level_count; i++) {
  if (ps->performance_levels[i].vddc > rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc)
   ps->dc_compatible = false;

  if (ps->performance_levels[i].vddc < rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2)
   ps->performance_levels[i].flags &= ~ATOM_PPLIB_R600_FLAGS_PCIEGEN2;
 }
}

static void ni_cg_clockgating_default(struct radeon_device *rdev)
{
 u32 count;
 const u32 *ps = NULL;

 ps = (const u32 *)&cayman_cgcg_cgls_default;
 count = CAYMAN_CGCG_CGLS_DEFAULT_LENGTH;

 btc_program_mgcg_hw_sequence(rdev, ps, count);
}

static void ni_gfx_clockgating_enable(struct radeon_device *rdev,
          bool enable)
{
 u32 count;
 const u32 *ps = NULL;

 if (enable) {
  ps = (const u32 *)&cayman_cgcg_cgls_enable;
  count = CAYMAN_CGCG_CGLS_ENABLE_LENGTH;
 } else {
  ps = (const u32 *)&cayman_cgcg_cgls_disable;
  count = CAYMAN_CGCG_CGLS_DISABLE_LENGTH;
 }

 btc_program_mgcg_hw_sequence(rdev, ps, count);
}

static void ni_mg_clockgating_default(struct radeon_device *rdev)
{
 u32 count;
 const u32 *ps = NULL;

 ps = (const u32 *)&cayman_mgcg_default;
 count = CAYMAN_MGCG_DEFAULT_LENGTH;

 btc_program_mgcg_hw_sequence(rdev, ps, count);
}

static void ni_mg_clockgating_enable(struct radeon_device *rdev,
         bool enable)
{
 u32 count;
 const u32 *ps = NULL;

 if (enable) {
  ps = (const u32 *)&cayman_mgcg_enable;
  count = CAYMAN_MGCG_ENABLE_LENGTH;
 } else {
  ps = (const u32 *)&cayman_mgcg_disable;
  count = CAYMAN_MGCG_DISABLE_LENGTH;
 }

 btc_program_mgcg_hw_sequence(rdev, ps, count);
}

static void ni_ls_clockgating_default(struct radeon_device *rdev)
{
 u32 count;
 const u32 *ps = NULL;

 ps = (const u32 *)&cayman_sysls_default;
 count = CAYMAN_SYSLS_DEFAULT_LENGTH;

 btc_program_mgcg_hw_sequence(rdev, ps, count);
}

static void ni_ls_clockgating_enable(struct radeon_device *rdev,
         bool enable)
{
 u32 count;
 const u32 *ps = NULL;

 if (enable) {
  ps = (const u32 *)&cayman_sysls_enable;
  count = CAYMAN_SYSLS_ENABLE_LENGTH;
 } else {
  ps = (const u32 *)&cayman_sysls_disable;
  count = CAYMAN_SYSLS_DISABLE_LENGTH;
 }

 btc_program_mgcg_hw_sequence(rdev, ps, count);

}

static int ni_patch_single_dependency_table_based_on_leakage(struct radeon_device *rdev,
            struct radeon_clock_voltage_dependency_table *table)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 u32 i;

 if (table) {
  for (i = 0; i < table->count; i++) {
   if (0xff01 == table->entries[i].v) {
    if (pi->max_vddc == 0)
     return -EINVAL;
    table->entries[i].v = pi->max_vddc;
   }
  }
 }
 return 0;
}

static int ni_patch_dependency_tables_based_on_leakage(struct radeon_device *rdev)
{
 int ret = 0;

 ret = ni_patch_single_dependency_table_based_on_leakage(rdev,
        &rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk);

 ret = ni_patch_single_dependency_table_based_on_leakage(rdev,
        &rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk);
 return ret;
}

static void ni_stop_dpm(struct radeon_device *rdev)
{
 WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN);
}

#if 0
static int ni_notify_hw_of_power_source(struct radeon_device *rdev,
     bool ac_power)
{
 if (ac_power)
  return (rv770_send_msg_to_smc(rdev, PPSMC_MSG_RunningOnAC) == PPSMC_Result_OK) ?
   0 : -EINVAL;

 return 0;
}
#endif

static PPSMC_Result ni_send_msg_to_smc_with_parameter(struct radeon_device *rdev,
            PPSMC_Msg msg, u32 parameter)
{
 WREG32(SMC_SCRATCH0, parameter);
 return rv770_send_msg_to_smc(rdev, msg);
}

static int ni_restrict_performance_levels_before_switch(struct radeon_device *rdev)
{
 if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_NoForcedLevel) != PPSMC_Result_OK)
  return -EINVAL;

 return (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 1) == PPSMC_Result_OK) ?
  0 : -EINVAL;
}

int ni_dpm_force_performance_level(struct radeon_device *rdev,
       enum radeon_dpm_forced_level level)
{
 if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
  if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
   return -EINVAL;

  if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 1) != PPSMC_Result_OK)
   return -EINVAL;
 } else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
  if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
   return -EINVAL;

  if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 1) != PPSMC_Result_OK)
   return -EINVAL;
 } else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) {
  if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
   return -EINVAL;

  if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
   return -EINVAL;
 }

 rdev->pm.dpm.forced_level = level;

 return 0;
}

static void ni_stop_smc(struct radeon_device *rdev)
{
 u32 tmp;
 int i;

 for (i = 0; i < rdev->usec_timeout; i++) {
  tmp = RREG32(LB_SYNC_RESET_SEL) & LB_SYNC_RESET_SEL_MASK;
  if (tmp != 1)
   break;
  udelay(1);
 }

 udelay(100);

 r7xx_stop_smc(rdev);
}

static int ni_process_firmware_header(struct radeon_device *rdev)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 u32 tmp;
 int ret;

 ret = rv770_read_smc_sram_dword(rdev,
     NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
     NISLANDS_SMC_FIRMWARE_HEADER_stateTable,
     &tmp, pi->sram_end);

 if (ret)
  return ret;

 pi->state_table_start = (u16)tmp;

 ret = rv770_read_smc_sram_dword(rdev,
     NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
     NISLANDS_SMC_FIRMWARE_HEADER_softRegisters,
     &tmp, pi->sram_end);

 if (ret)
  return ret;

 pi->soft_regs_start = (u16)tmp;

 ret = rv770_read_smc_sram_dword(rdev,
     NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
     NISLANDS_SMC_FIRMWARE_HEADER_mcRegisterTable,
     &tmp, pi->sram_end);

 if (ret)
  return ret;

 eg_pi->mc_reg_table_start = (u16)tmp;

 ret = rv770_read_smc_sram_dword(rdev,
     NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
     NISLANDS_SMC_FIRMWARE_HEADER_fanTable,
     &tmp, pi->sram_end);

 if (ret)
  return ret;

 ni_pi->fan_table_start = (u16)tmp;

 ret = rv770_read_smc_sram_dword(rdev,
     NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
     NISLANDS_SMC_FIRMWARE_HEADER_mcArbDramAutoRefreshTable,
     &tmp, pi->sram_end);

 if (ret)
  return ret;

 ni_pi->arb_table_start = (u16)tmp;

 ret = rv770_read_smc_sram_dword(rdev,
     NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
     NISLANDS_SMC_FIRMWARE_HEADER_cacTable,
     &tmp, pi->sram_end);

 if (ret)
  return ret;

 ni_pi->cac_table_start = (u16)tmp;

 ret = rv770_read_smc_sram_dword(rdev,
     NISLANDS_SMC_FIRMWARE_HEADER_LOCATION +
     NISLANDS_SMC_FIRMWARE_HEADER_spllTable,
     &tmp, pi->sram_end);

 if (ret)
  return ret;

 ni_pi->spll_table_start = (u16)tmp;


 return ret;
}

static void ni_read_clock_registers(struct radeon_device *rdev)
{
 struct ni_power_info *ni_pi = ni_get_pi(rdev);

 ni_pi->clock_registers.cg_spll_func_cntl = RREG32(CG_SPLL_FUNC_CNTL);
 ni_pi->clock_registers.cg_spll_func_cntl_2 = RREG32(CG_SPLL_FUNC_CNTL_2);
 ni_pi->clock_registers.cg_spll_func_cntl_3 = RREG32(CG_SPLL_FUNC_CNTL_3);
 ni_pi->clock_registers.cg_spll_func_cntl_4 = RREG32(CG_SPLL_FUNC_CNTL_4);
 ni_pi->clock_registers.cg_spll_spread_spectrum = RREG32(CG_SPLL_SPREAD_SPECTRUM);
 ni_pi->clock_registers.cg_spll_spread_spectrum_2 = RREG32(CG_SPLL_SPREAD_SPECTRUM_2);
 ni_pi->clock_registers.mpll_ad_func_cntl = RREG32(MPLL_AD_FUNC_CNTL);
 ni_pi->clock_registers.mpll_ad_func_cntl_2 = RREG32(MPLL_AD_FUNC_CNTL_2);
 ni_pi->clock_registers.mpll_dq_func_cntl = RREG32(MPLL_DQ_FUNC_CNTL);
 ni_pi->clock_registers.mpll_dq_func_cntl_2 = RREG32(MPLL_DQ_FUNC_CNTL_2);
 ni_pi->clock_registers.mclk_pwrmgt_cntl = RREG32(MCLK_PWRMGT_CNTL);
 ni_pi->clock_registers.dll_cntl = RREG32(DLL_CNTL);
 ni_pi->clock_registers.mpll_ss1 = RREG32(MPLL_SS1);
 ni_pi->clock_registers.mpll_ss2 = RREG32(MPLL_SS2);
}

#if 0
static int ni_enter_ulp_state(struct radeon_device *rdev)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);

 if (pi->gfx_clock_gating) {
  WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
  WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON);
  WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON);
  RREG32(GB_ADDR_CONFIG);
 }

 WREG32_P(SMC_MSG, HOST_SMC_MSG(PPSMC_MSG_SwitchToMinimumPower),
   ~HOST_SMC_MSG_MASK);

 udelay(25000);

 return 0;
}
#endif

static void ni_program_response_times(struct radeon_device *rdev)
{
 u32 voltage_response_time, backbias_response_time, acpi_delay_time, vbi_time_out;
 u32 vddc_dly, bb_dly, acpi_dly, vbi_dly, mclk_switch_limit;
 u32 reference_clock;

 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mvdd_chg_time, 1);

 voltage_response_time = (u32)rdev->pm.dpm.voltage_response_time;
 backbias_response_time = (u32)rdev->pm.dpm.backbias_response_time;

 if (voltage_response_time == 0)
  voltage_response_time = 1000;

 if (backbias_response_time == 0)
  backbias_response_time = 1000;

 acpi_delay_time = 15000;
 vbi_time_out = 100000;

 reference_clock = radeon_get_xclk(rdev);

 vddc_dly = (voltage_response_time  * reference_clock) / 1600;
 bb_dly   = (backbias_response_time * reference_clock) / 1600;
 acpi_dly = (acpi_delay_time * reference_clock) / 1600;
 vbi_dly  = (vbi_time_out * reference_clock) / 1600;

 mclk_switch_limit = (460 * reference_clock) / 100;

 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_vreg,  vddc_dly);
 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_bbias, bb_dly);
 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_delay_acpi,  acpi_dly);
 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mclk_chg_timeout, vbi_dly);
 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mc_block_delay, 0xAA);
 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_mclk_switch_lim, mclk_switch_limit);
}

static void ni_populate_smc_voltage_table(struct radeon_device *rdev,
       struct atom_voltage_table *voltage_table,
       NISLANDS_SMC_STATETABLE *table)
{
 unsigned int i;

 for (i = 0; i < voltage_table->count; i++) {
  table->highSMIO[i] = 0;
  table->lowSMIO[i] |= cpu_to_be32(voltage_table->entries[i].smio_low);
 }
}

static void ni_populate_smc_voltage_tables(struct radeon_device *rdev,
        NISLANDS_SMC_STATETABLE *table)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 unsigned char i;

 if (eg_pi->vddc_voltage_table.count) {
  ni_populate_smc_voltage_table(rdev, &eg_pi->vddc_voltage_table, table);
  table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDC] = 0;
  table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDC] =
   cpu_to_be32(eg_pi->vddc_voltage_table.mask_low);

  for (i = 0; i < eg_pi->vddc_voltage_table.count; i++) {
   if (pi->max_vddc_in_table <= eg_pi->vddc_voltage_table.entries[i].value) {
    table->maxVDDCIndexInPPTable = i;
    break;
   }
  }
 }

 if (eg_pi->vddci_voltage_table.count) {
  ni_populate_smc_voltage_table(rdev, &eg_pi->vddci_voltage_table, table);

  table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = 0;
  table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] =
   cpu_to_be32(eg_pi->vddci_voltage_table.mask_low);
 }
}

static int ni_populate_voltage_value(struct radeon_device *rdev,
         struct atom_voltage_table *table,
         u16 value,
         NISLANDS_SMC_VOLTAGE_VALUE *voltage)
{
 unsigned int i;

 for (i = 0; i < table->count; i++) {
  if (value <= table->entries[i].value) {
   voltage->index = (u8)i;
   voltage->value = cpu_to_be16(table->entries[i].value);
   break;
  }
 }

 if (i >= table->count)
  return -EINVAL;

 return 0;
}

static void ni_populate_mvdd_value(struct radeon_device *rdev,
       u32 mclk,
       NISLANDS_SMC_VOLTAGE_VALUE *voltage)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);

 if (!pi->mvdd_control) {
  voltage->index = eg_pi->mvdd_high_index;
  voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
  return;
 }

 if (mclk <= pi->mvdd_split_frequency) {
  voltage->index = eg_pi->mvdd_low_index;
  voltage->value = cpu_to_be16(MVDD_LOW_VALUE);
 } else {
  voltage->index = eg_pi->mvdd_high_index;
  voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
 }
}

static int ni_get_std_voltage_value(struct radeon_device *rdev,
        NISLANDS_SMC_VOLTAGE_VALUE *voltage,
        u16 *std_voltage)
{
 if (rdev->pm.dpm.dyn_state.cac_leakage_table.entries &&
     ((u32)voltage->index < rdev->pm.dpm.dyn_state.cac_leakage_table.count))
  *std_voltage = rdev->pm.dpm.dyn_state.cac_leakage_table.entries[voltage->index].vddc;
 else
  *std_voltage = be16_to_cpu(voltage->value);

 return 0;
}

static void ni_populate_std_voltage_value(struct radeon_device *rdev,
       u16 value, u8 index,
       NISLANDS_SMC_VOLTAGE_VALUE *voltage)
{
 voltage->index = index;
 voltage->value = cpu_to_be16(value);
}

static u32 ni_get_smc_power_scaling_factor(struct radeon_device *rdev)
{
 u32 xclk_period;
 u32 xclk = radeon_get_xclk(rdev);
 u32 tmp = RREG32(CG_CAC_CTRL) & TID_CNT_MASK;

 xclk_period = (1000000000UL / xclk);
 xclk_period /= 10000UL;

 return tmp * xclk_period;
}

static u32 ni_scale_power_for_smc(u32 power_in_watts, u32 scaling_factor)
{
 return (power_in_watts * scaling_factor) << 2;
}

static u32 ni_calculate_power_boost_limit(struct radeon_device *rdev,
       struct radeon_ps *radeon_state,
       u32 near_tdp_limit)
{
 struct ni_ps *state = ni_get_ps(radeon_state);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 u32 power_boost_limit = 0;
 int ret;

 if (ni_pi->enable_power_containment &&
     ni_pi->use_power_boost_limit) {
  NISLANDS_SMC_VOLTAGE_VALUE vddc;
  u16 std_vddc_med;
  u16 std_vddc_high;
  u64 tmp, n, d;

  if (state->performance_level_count < 3)
   return 0;

  ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
      state->performance_levels[state->performance_level_count - 2].vddc,
      &vddc);
  if (ret)
   return 0;

  ret = ni_get_std_voltage_value(rdev, &vddc, &std_vddc_med);
  if (ret)
   return 0;

  ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
      state->performance_levels[state->performance_level_count - 1].vddc,
      &vddc);
  if (ret)
   return 0;

  ret = ni_get_std_voltage_value(rdev, &vddc, &std_vddc_high);
  if (ret)
   return 0;

  n = ((u64)near_tdp_limit * ((u64)std_vddc_med * (u64)std_vddc_med) * 90);
  d = ((u64)std_vddc_high * (u64)std_vddc_high * 100);
  tmp = div64_u64(n, d);

  if (tmp >> 32)
   return 0;
  power_boost_limit = (u32)tmp;
 }

 return power_boost_limit;
}

static int ni_calculate_adjusted_tdp_limits(struct radeon_device *rdev,
         bool adjust_polarity,
         u32 tdp_adjustment,
         u32 *tdp_limit,
         u32 *near_tdp_limit)
{
 if (tdp_adjustment > (u32)rdev->pm.dpm.tdp_od_limit)
  return -EINVAL;

 if (adjust_polarity) {
  *tdp_limit = ((100 + tdp_adjustment) * rdev->pm.dpm.tdp_limit) / 100;
  *near_tdp_limit = rdev->pm.dpm.near_tdp_limit + (*tdp_limit - rdev->pm.dpm.tdp_limit);
 } else {
  *tdp_limit = ((100 - tdp_adjustment) * rdev->pm.dpm.tdp_limit) / 100;
  *near_tdp_limit = rdev->pm.dpm.near_tdp_limit - (rdev->pm.dpm.tdp_limit - *tdp_limit);
 }

 return 0;
}

static int ni_populate_smc_tdp_limits(struct radeon_device *rdev,
          struct radeon_ps *radeon_state)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);

 if (ni_pi->enable_power_containment) {
  NISLANDS_SMC_STATETABLE *smc_table = &ni_pi->smc_statetable;
  u32 scaling_factor = ni_get_smc_power_scaling_factor(rdev);
  u32 tdp_limit;
  u32 near_tdp_limit;
  u32 power_boost_limit;
  int ret;

  if (scaling_factor == 0)
   return -EINVAL;

  memset(smc_table, 0, sizeof(NISLANDS_SMC_STATETABLE));

  ret = ni_calculate_adjusted_tdp_limits(rdev,
             false, /* ??? */
             rdev->pm.dpm.tdp_adjustment,
             &tdp_limit,
             &near_tdp_limit);
  if (ret)
   return ret;

  power_boost_limit = ni_calculate_power_boost_limit(rdev, radeon_state,
           near_tdp_limit);

  smc_table->dpm2Params.TDPLimit =
   cpu_to_be32(ni_scale_power_for_smc(tdp_limit, scaling_factor));
  smc_table->dpm2Params.NearTDPLimit =
   cpu_to_be32(ni_scale_power_for_smc(near_tdp_limit, scaling_factor));
  smc_table->dpm2Params.SafePowerLimit =
   cpu_to_be32(ni_scale_power_for_smc((near_tdp_limit * NISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT) / 100,
          scaling_factor));
  smc_table->dpm2Params.PowerBoostLimit =
   cpu_to_be32(ni_scale_power_for_smc(power_boost_limit, scaling_factor));

  ret = rv770_copy_bytes_to_smc(rdev,
           (u16)(pi->state_table_start + offsetof(NISLANDS_SMC_STATETABLE, dpm2Params) +
          offsetof(PP_NIslands_DPM2Parameters, TDPLimit)),
           (u8 *)(&smc_table->dpm2Params.TDPLimit),
           sizeof(u32) * 4, pi->sram_end);
  if (ret)
   return ret;
 }

 return 0;
}

int ni_copy_and_switch_arb_sets(struct radeon_device *rdev,
    u32 arb_freq_src, u32 arb_freq_dest)
{
 u32 mc_arb_dram_timing;
 u32 mc_arb_dram_timing2;
 u32 burst_time;
 u32 mc_cg_config;

 switch (arb_freq_src) {
 case MC_CG_ARB_FREQ_F0:
  mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING);
  mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2);
  burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE0_MASK) >> STATE0_SHIFT;
  break;
 case MC_CG_ARB_FREQ_F1:
  mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING_1);
  mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_1);
  burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE1_MASK) >> STATE1_SHIFT;
  break;
 case MC_CG_ARB_FREQ_F2:
  mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING_2);
  mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_2);
  burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE2_MASK) >> STATE2_SHIFT;
  break;
 case MC_CG_ARB_FREQ_F3:
  mc_arb_dram_timing  = RREG32(MC_ARB_DRAM_TIMING_3);
  mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2_3);
  burst_time = (RREG32(MC_ARB_BURST_TIME) & STATE3_MASK) >> STATE3_SHIFT;
  break;
 default:
  return -EINVAL;
 }

 switch (arb_freq_dest) {
 case MC_CG_ARB_FREQ_F0:
  WREG32(MC_ARB_DRAM_TIMING, mc_arb_dram_timing);
  WREG32(MC_ARB_DRAM_TIMING2, mc_arb_dram_timing2);
  WREG32_P(MC_ARB_BURST_TIME, STATE0(burst_time), ~STATE0_MASK);
  break;
 case MC_CG_ARB_FREQ_F1:
  WREG32(MC_ARB_DRAM_TIMING_1, mc_arb_dram_timing);
  WREG32(MC_ARB_DRAM_TIMING2_1, mc_arb_dram_timing2);
  WREG32_P(MC_ARB_BURST_TIME, STATE1(burst_time), ~STATE1_MASK);
  break;
 case MC_CG_ARB_FREQ_F2:
  WREG32(MC_ARB_DRAM_TIMING_2, mc_arb_dram_timing);
  WREG32(MC_ARB_DRAM_TIMING2_2, mc_arb_dram_timing2);
  WREG32_P(MC_ARB_BURST_TIME, STATE2(burst_time), ~STATE2_MASK);
  break;
 case MC_CG_ARB_FREQ_F3:
  WREG32(MC_ARB_DRAM_TIMING_3, mc_arb_dram_timing);
  WREG32(MC_ARB_DRAM_TIMING2_3, mc_arb_dram_timing2);
  WREG32_P(MC_ARB_BURST_TIME, STATE3(burst_time), ~STATE3_MASK);
  break;
 default:
  return -EINVAL;
 }

 mc_cg_config = RREG32(MC_CG_CONFIG) | 0x0000000F;
 WREG32(MC_CG_CONFIG, mc_cg_config);
 WREG32_P(MC_ARB_CG, CG_ARB_REQ(arb_freq_dest), ~CG_ARB_REQ_MASK);

 return 0;
}

static int ni_init_arb_table_index(struct radeon_device *rdev)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 u32 tmp;
 int ret;

 ret = rv770_read_smc_sram_dword(rdev, ni_pi->arb_table_start,
     &tmp, pi->sram_end);
 if (ret)
  return ret;

 tmp &= 0x00FFFFFF;
 tmp |= ((u32)MC_CG_ARB_FREQ_F1) << 24;

 return rv770_write_smc_sram_dword(rdev, ni_pi->arb_table_start,
       tmp, pi->sram_end);
}

static int ni_initial_switch_from_arb_f0_to_f1(struct radeon_device *rdev)
{
 return ni_copy_and_switch_arb_sets(rdev, MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1);
}

static int ni_force_switch_to_arb_f0(struct radeon_device *rdev)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 u32 tmp;
 int ret;

 ret = rv770_read_smc_sram_dword(rdev, ni_pi->arb_table_start,
     &tmp, pi->sram_end);
 if (ret)
  return ret;

 tmp = (tmp >> 24) & 0xff;

 if (tmp == MC_CG_ARB_FREQ_F0)
  return 0;

 return ni_copy_and_switch_arb_sets(rdev, tmp, MC_CG_ARB_FREQ_F0);
}

static int ni_populate_memory_timing_parameters(struct radeon_device *rdev,
      struct rv7xx_pl *pl,
      SMC_NIslands_MCArbDramTimingRegisterSet *arb_regs)
{
 u32 dram_timing;
 u32 dram_timing2;

 arb_regs->mc_arb_rfsh_rate =
  (u8)rv770_calculate_memory_refresh_rate(rdev, pl->sclk);


 radeon_atom_set_engine_dram_timings(rdev, pl->sclk, pl->mclk);

 dram_timing = RREG32(MC_ARB_DRAM_TIMING);
 dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2);

 arb_regs->mc_arb_dram_timing  = cpu_to_be32(dram_timing);
 arb_regs->mc_arb_dram_timing2 = cpu_to_be32(dram_timing2);

 return 0;
}

static int ni_do_program_memory_timing_parameters(struct radeon_device *rdev,
        struct radeon_ps *radeon_state,
        unsigned int first_arb_set)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 struct ni_ps *state = ni_get_ps(radeon_state);
 SMC_NIslands_MCArbDramTimingRegisterSet arb_regs = { 0 };
 int i, ret = 0;

 for (i = 0; i < state->performance_level_count; i++) {
  ret = ni_populate_memory_timing_parameters(rdev, &state->performance_levels[i], &arb_regs);
  if (ret)
   break;

  ret = rv770_copy_bytes_to_smc(rdev,
           (u16)(ni_pi->arb_table_start +
          offsetof(SMC_NIslands_MCArbDramTimingRegisters, data) +
          sizeof(SMC_NIslands_MCArbDramTimingRegisterSet) * (first_arb_set + i)),
           (u8 *)&arb_regs,
           (u16)sizeof(SMC_NIslands_MCArbDramTimingRegisterSet),
           pi->sram_end);
  if (ret)
   break;
 }
 return ret;
}

static int ni_program_memory_timing_parameters(struct radeon_device *rdev,
            struct radeon_ps *radeon_new_state)
{
 return ni_do_program_memory_timing_parameters(rdev, radeon_new_state,
            NISLANDS_DRIVER_STATE_ARB_INDEX);
}

static void ni_populate_initial_mvdd_value(struct radeon_device *rdev,
        struct NISLANDS_SMC_VOLTAGE_VALUE *voltage)
{
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);

 voltage->index = eg_pi->mvdd_high_index;
 voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
}

static int ni_populate_smc_initial_state(struct radeon_device *rdev,
      struct radeon_ps *radeon_initial_state,
      NISLANDS_SMC_STATETABLE *table)
{
 struct ni_ps *initial_state = ni_get_ps(radeon_initial_state);
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 u32 reg;
 int ret;

 table->initialState.level.mclk.vMPLL_AD_FUNC_CNTL =
  cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl);
 table->initialState.level.mclk.vMPLL_AD_FUNC_CNTL_2 =
  cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl_2);
 table->initialState.level.mclk.vMPLL_DQ_FUNC_CNTL =
  cpu_to_be32(ni_pi->clock_registers.mpll_dq_func_cntl);
 table->initialState.level.mclk.vMPLL_DQ_FUNC_CNTL_2 =
  cpu_to_be32(ni_pi->clock_registers.mpll_dq_func_cntl_2);
 table->initialState.level.mclk.vMCLK_PWRMGT_CNTL =
  cpu_to_be32(ni_pi->clock_registers.mclk_pwrmgt_cntl);
 table->initialState.level.mclk.vDLL_CNTL =
  cpu_to_be32(ni_pi->clock_registers.dll_cntl);
 table->initialState.level.mclk.vMPLL_SS =
  cpu_to_be32(ni_pi->clock_registers.mpll_ss1);
 table->initialState.level.mclk.vMPLL_SS2 =
  cpu_to_be32(ni_pi->clock_registers.mpll_ss2);
 table->initialState.level.mclk.mclk_value =
  cpu_to_be32(initial_state->performance_levels[0].mclk);

 table->initialState.level.sclk.vCG_SPLL_FUNC_CNTL =
  cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl);
 table->initialState.level.sclk.vCG_SPLL_FUNC_CNTL_2 =
  cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_2);
 table->initialState.level.sclk.vCG_SPLL_FUNC_CNTL_3 =
  cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_3);
 table->initialState.level.sclk.vCG_SPLL_FUNC_CNTL_4 =
  cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_4);
 table->initialState.level.sclk.vCG_SPLL_SPREAD_SPECTRUM =
  cpu_to_be32(ni_pi->clock_registers.cg_spll_spread_spectrum);
 table->initialState.level.sclk.vCG_SPLL_SPREAD_SPECTRUM_2 =
  cpu_to_be32(ni_pi->clock_registers.cg_spll_spread_spectrum_2);
 table->initialState.level.sclk.sclk_value =
  cpu_to_be32(initial_state->performance_levels[0].sclk);
 table->initialState.level.arbRefreshState =
  NISLANDS_INITIAL_STATE_ARB_INDEX;

 table->initialState.level.ACIndex = 0;

 ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
     initial_state->performance_levels[0].vddc,
     &table->initialState.level.vddc);
 if (!ret) {
  u16 std_vddc;

  ret = ni_get_std_voltage_value(rdev,
            &table->initialState.level.vddc,
            &std_vddc);
  if (!ret)
   ni_populate_std_voltage_value(rdev, std_vddc,
            table->initialState.level.vddc.index,
            &table->initialState.level.std_vddc);
 }

 if (eg_pi->vddci_control)
  ni_populate_voltage_value(rdev,
       &eg_pi->vddci_voltage_table,
       initial_state->performance_levels[0].vddci,
       &table->initialState.level.vddci);

 ni_populate_initial_mvdd_value(rdev, &table->initialState.level.mvdd);

 reg = CG_R(0xffff) | CG_L(0);
 table->initialState.level.aT = cpu_to_be32(reg);

 table->initialState.level.bSP = cpu_to_be32(pi->dsp);

 if (pi->boot_in_gen2)
  table->initialState.level.gen2PCIE = 1;
 else
  table->initialState.level.gen2PCIE = 0;

 if (pi->mem_gddr5) {
  table->initialState.level.strobeMode =
   cypress_get_strobe_mode_settings(rdev,
        initial_state->performance_levels[0].mclk);

  if (initial_state->performance_levels[0].mclk > pi->mclk_edc_enable_threshold)
   table->initialState.level.mcFlags = NISLANDS_SMC_MC_EDC_RD_FLAG | NISLANDS_SMC_MC_EDC_WR_FLAG;
  else
   table->initialState.level.mcFlags =  0;
 }

 table->initialState.levelCount = 1;

 table->initialState.flags |= PPSMC_SWSTATE_FLAG_DC;

 table->initialState.level.dpm2.MaxPS = 0;
 table->initialState.level.dpm2.NearTDPDec = 0;
 table->initialState.level.dpm2.AboveSafeInc = 0;
 table->initialState.level.dpm2.BelowSafeInc = 0;

 reg = MIN_POWER_MASK | MAX_POWER_MASK;
 table->initialState.level.SQPowerThrottle = cpu_to_be32(reg);

 reg = MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
 table->initialState.level.SQPowerThrottle_2 = cpu_to_be32(reg);

 return 0;
}

static int ni_populate_smc_acpi_state(struct radeon_device *rdev,
          NISLANDS_SMC_STATETABLE *table)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 u32 mpll_ad_func_cntl   = ni_pi->clock_registers.mpll_ad_func_cntl;
 u32 mpll_ad_func_cntl_2 = ni_pi->clock_registers.mpll_ad_func_cntl_2;
 u32 mpll_dq_func_cntl   = ni_pi->clock_registers.mpll_dq_func_cntl;
 u32 mpll_dq_func_cntl_2 = ni_pi->clock_registers.mpll_dq_func_cntl_2;
 u32 spll_func_cntl      = ni_pi->clock_registers.cg_spll_func_cntl;
 u32 spll_func_cntl_2    = ni_pi->clock_registers.cg_spll_func_cntl_2;
 u32 spll_func_cntl_3    = ni_pi->clock_registers.cg_spll_func_cntl_3;
 u32 spll_func_cntl_4    = ni_pi->clock_registers.cg_spll_func_cntl_4;
 u32 mclk_pwrmgt_cntl    = ni_pi->clock_registers.mclk_pwrmgt_cntl;
 u32 dll_cntl            = ni_pi->clock_registers.dll_cntl;
 u32 reg;
 int ret;

 table->ACPIState = table->initialState;

 table->ACPIState.flags &= ~PPSMC_SWSTATE_FLAG_DC;

 if (pi->acpi_vddc) {
  ret = ni_populate_voltage_value(rdev,
      &eg_pi->vddc_voltage_table,
      pi->acpi_vddc, &table->ACPIState.level.vddc);
  if (!ret) {
   u16 std_vddc;

   ret = ni_get_std_voltage_value(rdev,
             &table->ACPIState.level.vddc, &std_vddc);
   if (!ret)
    ni_populate_std_voltage_value(rdev, std_vddc,
             table->ACPIState.level.vddc.index,
             &table->ACPIState.level.std_vddc);
  }

  if (pi->pcie_gen2) {
   if (pi->acpi_pcie_gen2)
    table->ACPIState.level.gen2PCIE = 1;
   else
    table->ACPIState.level.gen2PCIE = 0;
  } else {
   table->ACPIState.level.gen2PCIE = 0;
  }
 } else {
  ret = ni_populate_voltage_value(rdev,
      &eg_pi->vddc_voltage_table,
      pi->min_vddc_in_table,
      &table->ACPIState.level.vddc);
  if (!ret) {
   u16 std_vddc;

   ret = ni_get_std_voltage_value(rdev,
             &table->ACPIState.level.vddc,
             &std_vddc);
   if (!ret)
    ni_populate_std_voltage_value(rdev, std_vddc,
             table->ACPIState.level.vddc.index,
             &table->ACPIState.level.std_vddc);
  }
  table->ACPIState.level.gen2PCIE = 0;
 }

 if (eg_pi->acpi_vddci) {
  if (eg_pi->vddci_control)
   ni_populate_voltage_value(rdev,
        &eg_pi->vddci_voltage_table,
        eg_pi->acpi_vddci,
        &table->ACPIState.level.vddci);
 }


 mpll_ad_func_cntl &= ~PDNB;

 mpll_ad_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN;

 if (pi->mem_gddr5)
  mpll_dq_func_cntl &= ~PDNB;
 mpll_dq_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN | BYPASS;


 mclk_pwrmgt_cntl |= (MRDCKA0_RESET |
        MRDCKA1_RESET |
        MRDCKB0_RESET |
        MRDCKB1_RESET |
        MRDCKC0_RESET |
        MRDCKC1_RESET |
        MRDCKD0_RESET |
        MRDCKD1_RESET);

 mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB |
         MRDCKA1_PDNB |
         MRDCKB0_PDNB |
         MRDCKB1_PDNB |
         MRDCKC0_PDNB |
         MRDCKC1_PDNB |
         MRDCKD0_PDNB |
         MRDCKD1_PDNB);

 dll_cntl |= (MRDCKA0_BYPASS |
       MRDCKA1_BYPASS |
       MRDCKB0_BYPASS |
       MRDCKB1_BYPASS |
       MRDCKC0_BYPASS |
       MRDCKC1_BYPASS |
       MRDCKD0_BYPASS |
       MRDCKD1_BYPASS);

 spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
 spll_func_cntl_2 |= SCLK_MUX_SEL(4);

 table->ACPIState.level.mclk.vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl);
 table->ACPIState.level.mclk.vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2);
 table->ACPIState.level.mclk.vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl);
 table->ACPIState.level.mclk.vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2);
 table->ACPIState.level.mclk.vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl);
 table->ACPIState.level.mclk.vDLL_CNTL = cpu_to_be32(dll_cntl);

 table->ACPIState.level.mclk.mclk_value = 0;

 table->ACPIState.level.sclk.vCG_SPLL_FUNC_CNTL = cpu_to_be32(spll_func_cntl);
 table->ACPIState.level.sclk.vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(spll_func_cntl_2);
 table->ACPIState.level.sclk.vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(spll_func_cntl_3);
 table->ACPIState.level.sclk.vCG_SPLL_FUNC_CNTL_4 = cpu_to_be32(spll_func_cntl_4);

 table->ACPIState.level.sclk.sclk_value = 0;

 ni_populate_mvdd_value(rdev, 0, &table->ACPIState.level.mvdd);

 if (eg_pi->dynamic_ac_timing)
  table->ACPIState.level.ACIndex = 1;

 table->ACPIState.level.dpm2.MaxPS = 0;
 table->ACPIState.level.dpm2.NearTDPDec = 0;
 table->ACPIState.level.dpm2.AboveSafeInc = 0;
 table->ACPIState.level.dpm2.BelowSafeInc = 0;

 reg = MIN_POWER_MASK | MAX_POWER_MASK;
 table->ACPIState.level.SQPowerThrottle = cpu_to_be32(reg);

 reg = MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
 table->ACPIState.level.SQPowerThrottle_2 = cpu_to_be32(reg);

 return 0;
}

static int ni_init_smc_table(struct radeon_device *rdev)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 int ret;
 struct radeon_ps *radeon_boot_state = rdev->pm.dpm.boot_ps;
 NISLANDS_SMC_STATETABLE *table = &ni_pi->smc_statetable;

 memset(table, 0, sizeof(NISLANDS_SMC_STATETABLE));

 ni_populate_smc_voltage_tables(rdev, table);

 switch (rdev->pm.int_thermal_type) {
 case THERMAL_TYPE_NI:
 case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
  table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_INTERNAL;
  break;
 case THERMAL_TYPE_NONE:
  table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_NONE;
  break;
 default:
  table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_EXTERNAL;
  break;
 }

 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC)
  table->systemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;

 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT)
  table->systemFlags |= PPSMC_SYSTEMFLAG_REGULATOR_HOT;

 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
  table->systemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;

 if (pi->mem_gddr5)
  table->systemFlags |= PPSMC_SYSTEMFLAG_GDDR5;

 ret = ni_populate_smc_initial_state(rdev, radeon_boot_state, table);
 if (ret)
  return ret;

 ret = ni_populate_smc_acpi_state(rdev, table);
 if (ret)
  return ret;

 table->driverState.flags = table->initialState.flags;
 table->driverState.levelCount = table->initialState.levelCount;
 table->driverState.levels[0] = table->initialState.level;

 table->ULVState = table->initialState;

 ret = ni_do_program_memory_timing_parameters(rdev, radeon_boot_state,
           NISLANDS_INITIAL_STATE_ARB_INDEX);
 if (ret)
  return ret;

 return rv770_copy_bytes_to_smc(rdev, pi->state_table_start, (u8 *)table,
           sizeof(NISLANDS_SMC_STATETABLE), pi->sram_end);
}

static int ni_calculate_sclk_params(struct radeon_device *rdev,
        u32 engine_clock,
        NISLANDS_SMC_SCLK_VALUE *sclk)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 struct atom_clock_dividers dividers;
 u32 spll_func_cntl = ni_pi->clock_registers.cg_spll_func_cntl;
 u32 spll_func_cntl_2 = ni_pi->clock_registers.cg_spll_func_cntl_2;
 u32 spll_func_cntl_3 = ni_pi->clock_registers.cg_spll_func_cntl_3;
 u32 spll_func_cntl_4 = ni_pi->clock_registers.cg_spll_func_cntl_4;
 u32 cg_spll_spread_spectrum = ni_pi->clock_registers.cg_spll_spread_spectrum;
 u32 cg_spll_spread_spectrum_2 = ni_pi->clock_registers.cg_spll_spread_spectrum_2;
 u64 tmp;
 u32 reference_clock = rdev->clock.spll.reference_freq;
 u32 reference_divider;
 u32 fbdiv;
 int ret;

 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
          engine_clock, false, ÷rs);
 if (ret)
  return ret;

 reference_divider = 1 + dividers.ref_div;


 tmp = (u64) engine_clock * reference_divider * dividers.post_div * 16834;
 do_div(tmp, reference_clock);
 fbdiv = (u32) tmp;

 spll_func_cntl &= ~(SPLL_PDIV_A_MASK | SPLL_REF_DIV_MASK);
 spll_func_cntl |= SPLL_REF_DIV(dividers.ref_div);
 spll_func_cntl |= SPLL_PDIV_A(dividers.post_div);

 spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
 spll_func_cntl_2 |= SCLK_MUX_SEL(2);

 spll_func_cntl_3 &= ~SPLL_FB_DIV_MASK;
 spll_func_cntl_3 |= SPLL_FB_DIV(fbdiv);
 spll_func_cntl_3 |= SPLL_DITHEN;

 if (pi->sclk_ss) {
  struct radeon_atom_ss ss;
  u32 vco_freq = engine_clock * dividers.post_div;

  if (radeon_atombios_get_asic_ss_info(rdev, &ss,
           ASIC_INTERNAL_ENGINE_SS, vco_freq)) {
   u32 clk_s = reference_clock * 5 / (reference_divider * ss.rate);
   u32 clk_v = 4 * ss.percentage * fbdiv / (clk_s * 10000);

   cg_spll_spread_spectrum &= ~CLK_S_MASK;
   cg_spll_spread_spectrum |= CLK_S(clk_s);
   cg_spll_spread_spectrum |= SSEN;

   cg_spll_spread_spectrum_2 &= ~CLK_V_MASK;
   cg_spll_spread_spectrum_2 |= CLK_V(clk_v);
  }
 }

 sclk->sclk_value = engine_clock;
 sclk->vCG_SPLL_FUNC_CNTL = spll_func_cntl;
 sclk->vCG_SPLL_FUNC_CNTL_2 = spll_func_cntl_2;
 sclk->vCG_SPLL_FUNC_CNTL_3 = spll_func_cntl_3;
 sclk->vCG_SPLL_FUNC_CNTL_4 = spll_func_cntl_4;
 sclk->vCG_SPLL_SPREAD_SPECTRUM = cg_spll_spread_spectrum;
 sclk->vCG_SPLL_SPREAD_SPECTRUM_2 = cg_spll_spread_spectrum_2;

 return 0;
}

static int ni_populate_sclk_value(struct radeon_device *rdev,
      u32 engine_clock,
      NISLANDS_SMC_SCLK_VALUE *sclk)
{
 NISLANDS_SMC_SCLK_VALUE sclk_tmp;
 int ret;

 ret = ni_calculate_sclk_params(rdev, engine_clock, &sclk_tmp);
 if (!ret) {
  sclk->sclk_value = cpu_to_be32(sclk_tmp.sclk_value);
  sclk->vCG_SPLL_FUNC_CNTL = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL);
  sclk->vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_2);
  sclk->vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_3);
  sclk->vCG_SPLL_FUNC_CNTL_4 = cpu_to_be32(sclk_tmp.vCG_SPLL_FUNC_CNTL_4);
  sclk->vCG_SPLL_SPREAD_SPECTRUM = cpu_to_be32(sclk_tmp.vCG_SPLL_SPREAD_SPECTRUM);
  sclk->vCG_SPLL_SPREAD_SPECTRUM_2 = cpu_to_be32(sclk_tmp.vCG_SPLL_SPREAD_SPECTRUM_2);
 }

 return ret;
}

static int ni_init_smc_spll_table(struct radeon_device *rdev)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 SMC_NISLANDS_SPLL_DIV_TABLE *spll_table;
 NISLANDS_SMC_SCLK_VALUE sclk_params;
 u32 fb_div;
 u32 p_div;
 u32 clk_s;
 u32 clk_v;
 u32 sclk = 0;
 int i, ret;
 u32 tmp;

 if (ni_pi->spll_table_start == 0)
  return -EINVAL;

 spll_table = kzalloc(sizeof(SMC_NISLANDS_SPLL_DIV_TABLE), GFP_KERNEL);
 if (spll_table == NULL)
  return -ENOMEM;

 for (i = 0; i < 256; i++) {
  ret = ni_calculate_sclk_params(rdev, sclk, &sclk_params);
  if (ret)
   break;

  p_div = (sclk_params.vCG_SPLL_FUNC_CNTL & SPLL_PDIV_A_MASK) >> SPLL_PDIV_A_SHIFT;
  fb_div = (sclk_params.vCG_SPLL_FUNC_CNTL_3 & SPLL_FB_DIV_MASK) >> SPLL_FB_DIV_SHIFT;
  clk_s = (sclk_params.vCG_SPLL_SPREAD_SPECTRUM & CLK_S_MASK) >> CLK_S_SHIFT;
  clk_v = (sclk_params.vCG_SPLL_SPREAD_SPECTRUM_2 & CLK_V_MASK) >> CLK_V_SHIFT;

  fb_div &= ~0x00001FFF;
  fb_div >>= 1;
  clk_v >>= 6;

  if (p_div & ~(SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_SHIFT))
   ret = -EINVAL;

  if (clk_s & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT))
   ret = -EINVAL;

  if (fb_div & ~(SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_SHIFT))
   ret = -EINVAL;

  if (clk_v & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT))
   ret = -EINVAL;

  if (ret)
   break;

  tmp = ((fb_div << SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_MASK) |
   ((p_div << SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_PDIV_MASK);
  spll_table->freq[i] = cpu_to_be32(tmp);

  tmp = ((clk_v << SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_MASK) |
   ((clk_s << SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT) & SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK);
  spll_table->ss[i] = cpu_to_be32(tmp);

  sclk += 512;
 }

 if (!ret)
  ret = rv770_copy_bytes_to_smc(rdev, ni_pi->spll_table_start, (u8 *)spll_table,
           sizeof(SMC_NISLANDS_SPLL_DIV_TABLE), pi->sram_end);

 kfree(spll_table);

 return ret;
}

static int ni_populate_mclk_value(struct radeon_device *rdev,
      u32 engine_clock,
      u32 memory_clock,
      NISLANDS_SMC_MCLK_VALUE *mclk,
      bool strobe_mode,
      bool dll_state_on)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 u32 mpll_ad_func_cntl = ni_pi->clock_registers.mpll_ad_func_cntl;
 u32 mpll_ad_func_cntl_2 = ni_pi->clock_registers.mpll_ad_func_cntl_2;
 u32 mpll_dq_func_cntl = ni_pi->clock_registers.mpll_dq_func_cntl;
 u32 mpll_dq_func_cntl_2 = ni_pi->clock_registers.mpll_dq_func_cntl_2;
 u32 mclk_pwrmgt_cntl = ni_pi->clock_registers.mclk_pwrmgt_cntl;
 u32 dll_cntl = ni_pi->clock_registers.dll_cntl;
 u32 mpll_ss1 = ni_pi->clock_registers.mpll_ss1;
 u32 mpll_ss2 = ni_pi->clock_registers.mpll_ss2;
 struct atom_clock_dividers dividers;
 u32 ibias;
 u32 dll_speed;
 int ret;
 u32 mc_seq_misc7;

 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM,
          memory_clock, strobe_mode, ÷rs);
 if (ret)
  return ret;

 if (!strobe_mode) {
  mc_seq_misc7 = RREG32(MC_SEQ_MISC7);

  if (mc_seq_misc7 & 0x8000000)
   dividers.post_div = 1;
 }

 ibias = cypress_map_clkf_to_ibias(rdev, dividers.whole_fb_div);

 mpll_ad_func_cntl &= ~(CLKR_MASK |
          YCLK_POST_DIV_MASK |
          CLKF_MASK |
          CLKFRAC_MASK |
          IBIAS_MASK);
 mpll_ad_func_cntl |= CLKR(dividers.ref_div);
 mpll_ad_func_cntl |= YCLK_POST_DIV(dividers.post_div);
 mpll_ad_func_cntl |= CLKF(dividers.whole_fb_div);
 mpll_ad_func_cntl |= CLKFRAC(dividers.frac_fb_div);
 mpll_ad_func_cntl |= IBIAS(ibias);

 if (dividers.vco_mode)
  mpll_ad_func_cntl_2 |= VCO_MODE;
 else
  mpll_ad_func_cntl_2 &= ~VCO_MODE;

 if (pi->mem_gddr5) {
  mpll_dq_func_cntl &= ~(CLKR_MASK |
           YCLK_POST_DIV_MASK |
           CLKF_MASK |
           CLKFRAC_MASK |
           IBIAS_MASK);
  mpll_dq_func_cntl |= CLKR(dividers.ref_div);
  mpll_dq_func_cntl |= YCLK_POST_DIV(dividers.post_div);
  mpll_dq_func_cntl |= CLKF(dividers.whole_fb_div);
  mpll_dq_func_cntl |= CLKFRAC(dividers.frac_fb_div);
  mpll_dq_func_cntl |= IBIAS(ibias);

  if (strobe_mode)
   mpll_dq_func_cntl &= ~PDNB;
  else
   mpll_dq_func_cntl |= PDNB;

  if (dividers.vco_mode)
   mpll_dq_func_cntl_2 |= VCO_MODE;
  else
   mpll_dq_func_cntl_2 &= ~VCO_MODE;
 }

 if (pi->mclk_ss) {
  struct radeon_atom_ss ss;
  u32 vco_freq = memory_clock * dividers.post_div;

  if (radeon_atombios_get_asic_ss_info(rdev, &ss,
           ASIC_INTERNAL_MEMORY_SS, vco_freq)) {
   u32 reference_clock = rdev->clock.mpll.reference_freq;
   u32 decoded_ref = rv740_get_decoded_reference_divider(dividers.ref_div);
   u32 clk_s, clk_v;

   if (!decoded_ref)
    return -EINVAL;
   clk_s = reference_clock * 5 / (decoded_ref * ss.rate);
   clk_v = ss.percentage *
    (0x4000 * dividers.whole_fb_div + 0x800 * dividers.frac_fb_div) / (clk_s * 625);

   mpll_ss1 &= ~CLKV_MASK;
   mpll_ss1 |= CLKV(clk_v);

   mpll_ss2 &= ~CLKS_MASK;
   mpll_ss2 |= CLKS(clk_s);
  }
 }

 dll_speed = rv740_get_dll_speed(pi->mem_gddr5,
     memory_clock);

 mclk_pwrmgt_cntl &= ~DLL_SPEED_MASK;
 mclk_pwrmgt_cntl |= DLL_SPEED(dll_speed);
 if (dll_state_on)
  mclk_pwrmgt_cntl |= (MRDCKA0_PDNB |
         MRDCKA1_PDNB |
         MRDCKB0_PDNB |
         MRDCKB1_PDNB |
         MRDCKC0_PDNB |
         MRDCKC1_PDNB |
         MRDCKD0_PDNB |
         MRDCKD1_PDNB);
 else
  mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB |
          MRDCKA1_PDNB |
          MRDCKB0_PDNB |
          MRDCKB1_PDNB |
          MRDCKC0_PDNB |
          MRDCKC1_PDNB |
          MRDCKD0_PDNB |
          MRDCKD1_PDNB);


 mclk->mclk_value = cpu_to_be32(memory_clock);
 mclk->vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl);
 mclk->vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2);
 mclk->vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl);
 mclk->vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2);
 mclk->vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl);
 mclk->vDLL_CNTL = cpu_to_be32(dll_cntl);
 mclk->vMPLL_SS = cpu_to_be32(mpll_ss1);
 mclk->vMPLL_SS2 = cpu_to_be32(mpll_ss2);

 return 0;
}

static void ni_populate_smc_sp(struct radeon_device *rdev,
          struct radeon_ps *radeon_state,
          NISLANDS_SMC_SWSTATE *smc_state)
{
 struct ni_ps *ps = ni_get_ps(radeon_state);
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 int i;

 for (i = 0; i < ps->performance_level_count - 1; i++)
  smc_state->levels[i].bSP = cpu_to_be32(pi->dsp);

 smc_state->levels[ps->performance_level_count - 1].bSP =
  cpu_to_be32(pi->psp);
}

static int ni_convert_power_level_to_smc(struct radeon_device *rdev,
      struct rv7xx_pl *pl,
      NISLANDS_SMC_HW_PERFORMANCE_LEVEL *level)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 int ret;
 bool dll_state_on;
 u16 std_vddc;
 u32 tmp = RREG32(DC_STUTTER_CNTL);

 level->gen2PCIE = pi->pcie_gen2 ?
  ((pl->flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? 1 : 0) : 0;

 ret = ni_populate_sclk_value(rdev, pl->sclk, &level->sclk);
 if (ret)
  return ret;

 level->mcFlags =  0;
 if (pi->mclk_stutter_mode_threshold &&
     (pl->mclk <= pi->mclk_stutter_mode_threshold) &&
     !eg_pi->uvd_enabled &&
     (tmp & DC_STUTTER_ENABLE_A) &&
     (tmp & DC_STUTTER_ENABLE_B))
  level->mcFlags |= NISLANDS_SMC_MC_STUTTER_EN;

 if (pi->mem_gddr5) {
  if (pl->mclk > pi->mclk_edc_enable_threshold)
   level->mcFlags |= NISLANDS_SMC_MC_EDC_RD_FLAG;
  if (pl->mclk > eg_pi->mclk_edc_wr_enable_threshold)
   level->mcFlags |= NISLANDS_SMC_MC_EDC_WR_FLAG;

  level->strobeMode = cypress_get_strobe_mode_settings(rdev, pl->mclk);

  if (level->strobeMode & NISLANDS_SMC_STROBE_ENABLE) {
   if (cypress_get_mclk_frequency_ratio(rdev, pl->mclk, true) >=
       ((RREG32(MC_SEQ_MISC7) >> 16) & 0xf))
    dll_state_on = ((RREG32(MC_SEQ_MISC5) >> 1) & 0x1) ? true : false;
   else
    dll_state_on = ((RREG32(MC_SEQ_MISC6) >> 1) & 0x1) ? true : false;
  } else {
   dll_state_on = false;
   if (pl->mclk > ni_pi->mclk_rtt_mode_threshold)
    level->mcFlags |= NISLANDS_SMC_MC_RTT_ENABLE;
  }

  ret = ni_populate_mclk_value(rdev, pl->sclk, pl->mclk,
          &level->mclk,
          (level->strobeMode & NISLANDS_SMC_STROBE_ENABLE) != 0,
          dll_state_on);
 } else
  ret = ni_populate_mclk_value(rdev, pl->sclk, pl->mclk, &level->mclk, 1, 1);

 if (ret)
  return ret;

 ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
     pl->vddc, &level->vddc);
 if (ret)
  return ret;

 ret = ni_get_std_voltage_value(rdev, &level->vddc, &std_vddc);
 if (ret)
  return ret;

 ni_populate_std_voltage_value(rdev, std_vddc,
          level->vddc.index, &level->std_vddc);

 if (eg_pi->vddci_control) {
  ret = ni_populate_voltage_value(rdev, &eg_pi->vddci_voltage_table,
      pl->vddci, &level->vddci);
  if (ret)
   return ret;
 }

 ni_populate_mvdd_value(rdev, pl->mclk, &level->mvdd);

 return ret;
}

static int ni_populate_smc_t(struct radeon_device *rdev,
        struct radeon_ps *radeon_state,
        NISLANDS_SMC_SWSTATE *smc_state)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_ps *state = ni_get_ps(radeon_state);
 u32 a_t;
 u32 t_l, t_h;
 u32 high_bsp;
 int i, ret;

 if (state->performance_level_count >= 9)
  return -EINVAL;

 if (state->performance_level_count < 2) {
  a_t = CG_R(0xffff) | CG_L(0);
  smc_state->levels[0].aT = cpu_to_be32(a_t);
  return 0;
 }

 smc_state->levels[0].aT = cpu_to_be32(0);

 for (i = 0; i <= state->performance_level_count - 2; i++) {
  if (eg_pi->uvd_enabled)
   ret = r600_calculate_at(
    1000 * (i * (eg_pi->smu_uvd_hs ? 2 : 8) + 2),
    100 * R600_AH_DFLT,
    state->performance_levels[i + 1].sclk,
    state->performance_levels[i].sclk,
    &t_l,
    &t_h);
  else
   ret = r600_calculate_at(
    1000 * (i + 1),
    100 * R600_AH_DFLT,
    state->performance_levels[i + 1].sclk,
    state->performance_levels[i].sclk,
    &t_l,
    &t_h);

  if (ret) {
   t_h = (i + 1) * 1000 - 50 * R600_AH_DFLT;
   t_l = (i + 1) * 1000 + 50 * R600_AH_DFLT;
  }

  a_t = be32_to_cpu(smc_state->levels[i].aT) & ~CG_R_MASK;
  a_t |= CG_R(t_l * pi->bsp / 20000);
  smc_state->levels[i].aT = cpu_to_be32(a_t);

  high_bsp = (i == state->performance_level_count - 2) ?
   pi->pbsp : pi->bsp;

  a_t = CG_R(0xffff) | CG_L(t_h * high_bsp / 20000);
  smc_state->levels[i + 1].aT = cpu_to_be32(a_t);
 }

 return 0;
}

static int ni_populate_power_containment_values(struct radeon_device *rdev,
      struct radeon_ps *radeon_state,
      NISLANDS_SMC_SWSTATE *smc_state)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 struct ni_ps *state = ni_get_ps(radeon_state);
 u32 prev_sclk;
 u32 max_sclk;
 u32 min_sclk;
 int i, ret;
 u32 tdp_limit;
 u32 near_tdp_limit;
 u32 power_boost_limit;
 u8 max_ps_percent;

 if (ni_pi->enable_power_containment == false)
  return 0;

 if (state->performance_level_count == 0)
  return -EINVAL;

 if (smc_state->levelCount != state->performance_level_count)
  return -EINVAL;

 ret = ni_calculate_adjusted_tdp_limits(rdev,
            false, /* ??? */
            rdev->pm.dpm.tdp_adjustment,
            &tdp_limit,
            &near_tdp_limit);
 if (ret)
  return ret;

 power_boost_limit = ni_calculate_power_boost_limit(rdev, radeon_state, near_tdp_limit);

 ret = rv770_write_smc_sram_dword(rdev,
      pi->state_table_start +
      offsetof(NISLANDS_SMC_STATETABLE, dpm2Params) +
      offsetof(PP_NIslands_DPM2Parameters, PowerBoostLimit),
      ni_scale_power_for_smc(power_boost_limit, ni_get_smc_power_scaling_factor(rdev)),
      pi->sram_end);
 if (ret)
  power_boost_limit = 0;

 smc_state->levels[0].dpm2.MaxPS = 0;
 smc_state->levels[0].dpm2.NearTDPDec = 0;
 smc_state->levels[0].dpm2.AboveSafeInc = 0;
 smc_state->levels[0].dpm2.BelowSafeInc = 0;
 smc_state->levels[0].stateFlags |= power_boost_limit ? PPSMC_STATEFLAG_POWERBOOST : 0;

 for (i = 1; i < state->performance_level_count; i++) {
  prev_sclk = state->performance_levels[i-1].sclk;
  max_sclk  = state->performance_levels[i].sclk;
  max_ps_percent = (i != (state->performance_level_count - 1)) ?
   NISLANDS_DPM2_MAXPS_PERCENT_M : NISLANDS_DPM2_MAXPS_PERCENT_H;

  if (max_sclk < prev_sclk)
   return -EINVAL;

  if ((max_ps_percent == 0) || (prev_sclk == max_sclk) || eg_pi->uvd_enabled)
   min_sclk = max_sclk;
  else if (1 == i)
   min_sclk = prev_sclk;
  else
   min_sclk = (prev_sclk * (u32)max_ps_percent) / 100;

  if (min_sclk < state->performance_levels[0].sclk)
   min_sclk = state->performance_levels[0].sclk;

  if (min_sclk == 0)
   return -EINVAL;

  smc_state->levels[i].dpm2.MaxPS =
   (u8)((NISLANDS_DPM2_MAX_PULSE_SKIP * (max_sclk - min_sclk)) / max_sclk);
  smc_state->levels[i].dpm2.NearTDPDec = NISLANDS_DPM2_NEAR_TDP_DEC;
  smc_state->levels[i].dpm2.AboveSafeInc = NISLANDS_DPM2_ABOVE_SAFE_INC;
  smc_state->levels[i].dpm2.BelowSafeInc = NISLANDS_DPM2_BELOW_SAFE_INC;
  smc_state->levels[i].stateFlags |=
   ((i != (state->performance_level_count - 1)) && power_boost_limit) ?
   PPSMC_STATEFLAG_POWERBOOST : 0;
 }

 return 0;
}

static int ni_populate_sq_ramping_values(struct radeon_device *rdev,
      struct radeon_ps *radeon_state,
      NISLANDS_SMC_SWSTATE *smc_state)
{
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 struct ni_ps *state = ni_get_ps(radeon_state);
 u32 sq_power_throttle;
 u32 sq_power_throttle2;
 bool enable_sq_ramping = ni_pi->enable_sq_ramping;
 int i;

 if (state->performance_level_count == 0)
  return -EINVAL;

 if (smc_state->levelCount != state->performance_level_count)
  return -EINVAL;

 if (rdev->pm.dpm.sq_ramping_threshold == 0)
  return -EINVAL;

 if (NISLANDS_DPM2_SQ_RAMP_MAX_POWER > (MAX_POWER_MASK >> MAX_POWER_SHIFT))
  enable_sq_ramping = false;

 if (NISLANDS_DPM2_SQ_RAMP_MIN_POWER > (MIN_POWER_MASK >> MIN_POWER_SHIFT))
  enable_sq_ramping = false;

 if (NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA > (MAX_POWER_DELTA_MASK >> MAX_POWER_DELTA_SHIFT))
  enable_sq_ramping = false;

 if (NISLANDS_DPM2_SQ_RAMP_STI_SIZE > (STI_SIZE_MASK >> STI_SIZE_SHIFT))
  enable_sq_ramping = false;

 if (NISLANDS_DPM2_SQ_RAMP_LTI_RATIO > (LTI_RATIO_MASK >> LTI_RATIO_SHIFT))
  enable_sq_ramping = false;

 for (i = 0; i < state->performance_level_count; i++) {
  sq_power_throttle  = 0;
  sq_power_throttle2 = 0;

  if ((state->performance_levels[i].sclk >= rdev->pm.dpm.sq_ramping_threshold) &&
      enable_sq_ramping) {
   sq_power_throttle |= MAX_POWER(NISLANDS_DPM2_SQ_RAMP_MAX_POWER);
   sq_power_throttle |= MIN_POWER(NISLANDS_DPM2_SQ_RAMP_MIN_POWER);
   sq_power_throttle2 |= MAX_POWER_DELTA(NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA);
   sq_power_throttle2 |= STI_SIZE(NISLANDS_DPM2_SQ_RAMP_STI_SIZE);
   sq_power_throttle2 |= LTI_RATIO(NISLANDS_DPM2_SQ_RAMP_LTI_RATIO);
  } else {
   sq_power_throttle |= MAX_POWER_MASK | MIN_POWER_MASK;
   sq_power_throttle2 |= MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
  }

  smc_state->levels[i].SQPowerThrottle   = cpu_to_be32(sq_power_throttle);
  smc_state->levels[i].SQPowerThrottle_2 = cpu_to_be32(sq_power_throttle2);
 }

 return 0;
}

static int ni_enable_power_containment(struct radeon_device *rdev,
           struct radeon_ps *radeon_new_state,
           bool enable)
{
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 PPSMC_Result smc_result;
 int ret = 0;

 if (ni_pi->enable_power_containment) {
  if (enable) {
   if (!r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
    smc_result = rv770_send_msg_to_smc(rdev, PPSMC_TDPClampingActive);
    if (smc_result != PPSMC_Result_OK) {
     ret = -EINVAL;
     ni_pi->pc_enabled = false;
    } else {
     ni_pi->pc_enabled = true;
    }
   }
  } else {
   smc_result = rv770_send_msg_to_smc(rdev, PPSMC_TDPClampingInactive);
   if (smc_result != PPSMC_Result_OK)
    ret = -EINVAL;
   ni_pi->pc_enabled = false;
  }
 }

 return ret;
}

static int ni_convert_power_state_to_smc(struct radeon_device *rdev,
      struct radeon_ps *radeon_state,
      NISLANDS_SMC_SWSTATE *smc_state)
{
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 struct ni_ps *state = ni_get_ps(radeon_state);
 int i, ret;
 u32 threshold = state->performance_levels[state->performance_level_count - 1].sclk * 100 / 100;

 if (!(radeon_state->caps & ATOM_PPLIB_DISALLOW_ON_DC))
  smc_state->flags |= PPSMC_SWSTATE_FLAG_DC;

 smc_state->levelCount = 0;

 if (state->performance_level_count > NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE)
  return -EINVAL;

 for (i = 0; i < state->performance_level_count; i++) {
  ret = ni_convert_power_level_to_smc(rdev, &state->performance_levels[i],
          &smc_state->levels[i]);
  smc_state->levels[i].arbRefreshState =
   (u8)(NISLANDS_DRIVER_STATE_ARB_INDEX + i);

  if (ret)
   return ret;

  if (ni_pi->enable_power_containment)
   smc_state->levels[i].displayWatermark =
    (state->performance_levels[i].sclk < threshold) ?
    PPSMC_DISPLAY_WATERMARK_LOW : PPSMC_DISPLAY_WATERMARK_HIGH;
  else
   smc_state->levels[i].displayWatermark = (i < 2) ?
    PPSMC_DISPLAY_WATERMARK_LOW : PPSMC_DISPLAY_WATERMARK_HIGH;

  if (eg_pi->dynamic_ac_timing)
   smc_state->levels[i].ACIndex = NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT + i;
  else
   smc_state->levels[i].ACIndex = 0;

  smc_state->levelCount++;
 }

 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_watermark_threshold,
          cpu_to_be32(threshold / 512));

 ni_populate_smc_sp(rdev, radeon_state, smc_state);

 ret = ni_populate_power_containment_values(rdev, radeon_state, smc_state);
 if (ret)
  ni_pi->enable_power_containment = false;

 ret = ni_populate_sq_ramping_values(rdev, radeon_state, smc_state);
 if (ret)
  ni_pi->enable_sq_ramping = false;

 return ni_populate_smc_t(rdev, radeon_state, smc_state);
}

static int ni_upload_sw_state(struct radeon_device *rdev,
         struct radeon_ps *radeon_new_state)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 u16 address = pi->state_table_start +
  offsetof(NISLANDS_SMC_STATETABLE, driverState);
 NISLANDS_SMC_SWSTATE *smc_state;
 size_t state_size = struct_size(smc_state, levels,
   NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE);
 int ret;

 smc_state = kzalloc(state_size, GFP_KERNEL);
 if (smc_state == NULL)
  return -ENOMEM;

 ret = ni_convert_power_state_to_smc(rdev, radeon_new_state, smc_state);
 if (ret)
  goto done;

 ret = rv770_copy_bytes_to_smc(rdev, address, (u8 *)smc_state, state_size, pi->sram_end);

done:
 kfree(smc_state);

 return ret;
}

static int ni_set_mc_special_registers(struct radeon_device *rdev,
           struct ni_mc_reg_table *table)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 u8 i, j, k;
 u32 temp_reg;

 for (i = 0, j = table->last; i < table->last; i++) {
  switch (table->mc_reg_address[i].s1) {
  case MC_SEQ_MISC1 >> 2:
   if (j >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
    return -EINVAL;
   temp_reg = RREG32(MC_PMG_CMD_EMRS);
   table->mc_reg_address[j].s1 = MC_PMG_CMD_EMRS >> 2;
   table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
   for (k = 0; k < table->num_entries; k++)
    table->mc_reg_table_entry[k].mc_data[j] =
     ((temp_reg & 0xffff0000)) |
     ((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16);
   j++;
   if (j >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
    return -EINVAL;

   temp_reg = RREG32(MC_PMG_CMD_MRS);
   table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS >> 2;
   table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS_LP >> 2;
   for(k = 0; k < table->num_entries; k++) {
    table->mc_reg_table_entry[k].mc_data[j] =
     (temp_reg & 0xffff0000) |
     (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
    if (!pi->mem_gddr5)
     table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
   }
   j++;
   break;
  case MC_SEQ_RESERVE_M >> 2:
   if (j >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
    return -EINVAL;
   temp_reg = RREG32(MC_PMG_CMD_MRS1);
   table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS1 >> 2;
   table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
   for (k = 0; k < table->num_entries; k++)
    table->mc_reg_table_entry[k].mc_data[j] =
     (temp_reg & 0xffff0000) |
     (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
   j++;
   break;
  default:
   break;
  }
 }

 table->last = j;

 return 0;
}

static bool ni_check_s0_mc_reg_index(u16 in_reg, u16 *out_reg)
{
 bool result = true;

 switch (in_reg) {
 case  MC_SEQ_RAS_TIMING >> 2:
  *out_reg = MC_SEQ_RAS_TIMING_LP >> 2;
  break;
 case MC_SEQ_CAS_TIMING >> 2:
  *out_reg = MC_SEQ_CAS_TIMING_LP >> 2;
  break;
 case MC_SEQ_MISC_TIMING >> 2:
  *out_reg = MC_SEQ_MISC_TIMING_LP >> 2;
  break;
 case MC_SEQ_MISC_TIMING2 >> 2:
  *out_reg = MC_SEQ_MISC_TIMING2_LP >> 2;
  break;
 case MC_SEQ_RD_CTL_D0 >> 2:
  *out_reg = MC_SEQ_RD_CTL_D0_LP >> 2;
  break;
 case MC_SEQ_RD_CTL_D1 >> 2:
  *out_reg = MC_SEQ_RD_CTL_D1_LP >> 2;
  break;
 case MC_SEQ_WR_CTL_D0 >> 2:
  *out_reg = MC_SEQ_WR_CTL_D0_LP >> 2;
  break;
 case MC_SEQ_WR_CTL_D1 >> 2:
  *out_reg = MC_SEQ_WR_CTL_D1_LP >> 2;
  break;
 case MC_PMG_CMD_EMRS >> 2:
  *out_reg = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
  break;
 case MC_PMG_CMD_MRS >> 2:
  *out_reg = MC_SEQ_PMG_CMD_MRS_LP >> 2;
  break;
 case MC_PMG_CMD_MRS1 >> 2:
  *out_reg = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
  break;
 case MC_SEQ_PMG_TIMING >> 2:
  *out_reg = MC_SEQ_PMG_TIMING_LP >> 2;
  break;
 case MC_PMG_CMD_MRS2 >> 2:
  *out_reg = MC_SEQ_PMG_CMD_MRS2_LP >> 2;
  break;
 default:
  result = false;
  break;
 }

 return result;
}

static void ni_set_valid_flag(struct ni_mc_reg_table *table)
{
 u8 i, j;

 for (i = 0; i < table->last; i++) {
  for (j = 1; j < table->num_entries; j++) {
   if (table->mc_reg_table_entry[j-1].mc_data[i] != table->mc_reg_table_entry[j].mc_data[i]) {
    table->valid_flag |= 1 << i;
    break;
   }
  }
 }
}

static void ni_set_s0_mc_reg_index(struct ni_mc_reg_table *table)
{
 u32 i;
 u16 address;

 for (i = 0; i < table->last; i++)
  table->mc_reg_address[i].s0 =
   ni_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address) ?
   address : table->mc_reg_address[i].s1;
}

static int ni_copy_vbios_mc_reg_table(struct atom_mc_reg_table *table,
          struct ni_mc_reg_table *ni_table)
{
 u8 i, j;

 if (table->last > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
  return -EINVAL;
 if (table->num_entries > MAX_AC_TIMING_ENTRIES)
  return -EINVAL;

 for (i = 0; i < table->last; i++)
  ni_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1;
 ni_table->last = table->last;

 for (i = 0; i < table->num_entries; i++) {
  ni_table->mc_reg_table_entry[i].mclk_max =
   table->mc_reg_table_entry[i].mclk_max;
  for (j = 0; j < table->last; j++)
   ni_table->mc_reg_table_entry[i].mc_data[j] =
    table->mc_reg_table_entry[i].mc_data[j];
 }
 ni_table->num_entries = table->num_entries;

 return 0;
}

static int ni_initialize_mc_reg_table(struct radeon_device *rdev)
{
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 int ret;
 struct atom_mc_reg_table *table;
 struct ni_mc_reg_table *ni_table = &ni_pi->mc_reg_table;
 u8 module_index = rv770_get_memory_module_index(rdev);

 table = kzalloc(sizeof(struct atom_mc_reg_table), GFP_KERNEL);
 if (!table)
  return -ENOMEM;

 WREG32(MC_SEQ_RAS_TIMING_LP, RREG32(MC_SEQ_RAS_TIMING));
 WREG32(MC_SEQ_CAS_TIMING_LP, RREG32(MC_SEQ_CAS_TIMING));
 WREG32(MC_SEQ_MISC_TIMING_LP, RREG32(MC_SEQ_MISC_TIMING));
 WREG32(MC_SEQ_MISC_TIMING2_LP, RREG32(MC_SEQ_MISC_TIMING2));
 WREG32(MC_SEQ_PMG_CMD_EMRS_LP, RREG32(MC_PMG_CMD_EMRS));
 WREG32(MC_SEQ_PMG_CMD_MRS_LP, RREG32(MC_PMG_CMD_MRS));
 WREG32(MC_SEQ_PMG_CMD_MRS1_LP, RREG32(MC_PMG_CMD_MRS1));
 WREG32(MC_SEQ_WR_CTL_D0_LP, RREG32(MC_SEQ_WR_CTL_D0));
 WREG32(MC_SEQ_WR_CTL_D1_LP, RREG32(MC_SEQ_WR_CTL_D1));
 WREG32(MC_SEQ_RD_CTL_D0_LP, RREG32(MC_SEQ_RD_CTL_D0));
 WREG32(MC_SEQ_RD_CTL_D1_LP, RREG32(MC_SEQ_RD_CTL_D1));
 WREG32(MC_SEQ_PMG_TIMING_LP, RREG32(MC_SEQ_PMG_TIMING));
 WREG32(MC_SEQ_PMG_CMD_MRS2_LP, RREG32(MC_PMG_CMD_MRS2));

 ret = radeon_atom_init_mc_reg_table(rdev, module_index, table);

 if (ret)
  goto init_mc_done;

 ret = ni_copy_vbios_mc_reg_table(table, ni_table);

 if (ret)
  goto init_mc_done;

 ni_set_s0_mc_reg_index(ni_table);

 ret = ni_set_mc_special_registers(rdev, ni_table);

 if (ret)
  goto init_mc_done;

 ni_set_valid_flag(ni_table);

init_mc_done:
 kfree(table);

 return ret;
}

static void ni_populate_mc_reg_addresses(struct radeon_device *rdev,
      SMC_NIslands_MCRegisters *mc_reg_table)
{
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 u32 i, j;

 for (i = 0, j = 0; j < ni_pi->mc_reg_table.last; j++) {
  if (ni_pi->mc_reg_table.valid_flag & (1 << j)) {
   if (i >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE)
    break;
   mc_reg_table->address[i].s0 =
    cpu_to_be16(ni_pi->mc_reg_table.mc_reg_address[j].s0);
   mc_reg_table->address[i].s1 =
    cpu_to_be16(ni_pi->mc_reg_table.mc_reg_address[j].s1);
   i++;
  }
 }
 mc_reg_table->last = (u8)i;
}


static void ni_convert_mc_registers(struct ni_mc_reg_entry *entry,
        SMC_NIslands_MCRegisterSet *data,
        u32 num_entries, u32 valid_flag)
{
 u32 i, j;

 for (i = 0, j = 0; j < num_entries; j++) {
  if (valid_flag & (1 << j)) {
   data->value[i] = cpu_to_be32(entry->mc_data[j]);
   i++;
  }
 }
}

static void ni_convert_mc_reg_table_entry_to_smc(struct radeon_device *rdev,
       struct rv7xx_pl *pl,
       SMC_NIslands_MCRegisterSet *mc_reg_table_data)
{
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 u32 i = 0;

 for (i = 0; i < ni_pi->mc_reg_table.num_entries; i++) {
  if (pl->mclk <= ni_pi->mc_reg_table.mc_reg_table_entry[i].mclk_max)
   break;
 }

 if ((i == ni_pi->mc_reg_table.num_entries) && (i > 0))
  --i;

 ni_convert_mc_registers(&ni_pi->mc_reg_table.mc_reg_table_entry[i],
    mc_reg_table_data,
    ni_pi->mc_reg_table.last,
    ni_pi->mc_reg_table.valid_flag);
}

static void ni_convert_mc_reg_table_to_smc(struct radeon_device *rdev,
        struct radeon_ps *radeon_state,
        SMC_NIslands_MCRegisters *mc_reg_table)
{
 struct ni_ps *state = ni_get_ps(radeon_state);
 int i;

 for (i = 0; i < state->performance_level_count; i++) {
  ni_convert_mc_reg_table_entry_to_smc(rdev,
           &state->performance_levels[i],
           &mc_reg_table->data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT + i]);
 }
}

static int ni_populate_mc_reg_table(struct radeon_device *rdev,
        struct radeon_ps *radeon_boot_state)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 struct ni_ps *boot_state = ni_get_ps(radeon_boot_state);
 SMC_NIslands_MCRegisters *mc_reg_table = &ni_pi->smc_mc_reg_table;

 memset(mc_reg_table, 0, sizeof(SMC_NIslands_MCRegisters));

 rv770_write_smc_soft_register(rdev, NI_SMC_SOFT_REGISTER_seq_index, 1);

 ni_populate_mc_reg_addresses(rdev, mc_reg_table);

 ni_convert_mc_reg_table_entry_to_smc(rdev, &boot_state->performance_levels[0],
          &mc_reg_table->data[0]);

 ni_convert_mc_registers(&ni_pi->mc_reg_table.mc_reg_table_entry[0],
    &mc_reg_table->data[1],
    ni_pi->mc_reg_table.last,
    ni_pi->mc_reg_table.valid_flag);

 ni_convert_mc_reg_table_to_smc(rdev, radeon_boot_state, mc_reg_table);

 return rv770_copy_bytes_to_smc(rdev, eg_pi->mc_reg_table_start,
           (u8 *)mc_reg_table,
           sizeof(SMC_NIslands_MCRegisters),
           pi->sram_end);
}

static int ni_upload_mc_reg_table(struct radeon_device *rdev,
      struct radeon_ps *radeon_new_state)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 struct ni_ps *ni_new_state = ni_get_ps(radeon_new_state);
 SMC_NIslands_MCRegisters *mc_reg_table = &ni_pi->smc_mc_reg_table;
 u16 address;

 memset(mc_reg_table, 0, sizeof(SMC_NIslands_MCRegisters));

 ni_convert_mc_reg_table_to_smc(rdev, radeon_new_state, mc_reg_table);

 address = eg_pi->mc_reg_table_start +
  (u16)offsetof(SMC_NIslands_MCRegisters, data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT]);

 return rv770_copy_bytes_to_smc(rdev, address,
           (u8 *)&mc_reg_table->data[NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT],
           sizeof(SMC_NIslands_MCRegisterSet) * ni_new_state->performance_level_count,
           pi->sram_end);
}

static int ni_init_driver_calculated_leakage_table(struct radeon_device *rdev,
         PP_NIslands_CACTABLES *cac_tables)
{
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 u32 leakage = 0;
 unsigned int i, j, table_size;
 s32 t;
 u32 smc_leakage, max_leakage = 0;
 u32 scaling_factor;

 table_size = eg_pi->vddc_voltage_table.count;

 if (SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES < table_size)
  table_size = SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES;

 scaling_factor = ni_get_smc_power_scaling_factor(rdev);

 for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++) {
  for (j = 0; j < table_size; j++) {
   t = (1000 * ((i + 1) * 8));

   if (t < ni_pi->cac_data.leakage_minimum_temperature)
    t = ni_pi->cac_data.leakage_minimum_temperature;

   ni_calculate_leakage_for_v_and_t(rdev,
        &ni_pi->cac_data.leakage_coefficients,
        eg_pi->vddc_voltage_table.entries[j].value,
        t,
        ni_pi->cac_data.i_leakage,
        &leakage);

   smc_leakage = ni_scale_power_for_smc(leakage, scaling_factor) / 1000;
   if (smc_leakage > max_leakage)
    max_leakage = smc_leakage;

   cac_tables->cac_lkge_lut[i][j] = cpu_to_be32(smc_leakage);
  }
 }

 for (j = table_size; j < SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES; j++) {
  for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
   cac_tables->cac_lkge_lut[i][j] = cpu_to_be32(max_leakage);
 }
 return 0;
}

static int ni_init_simplified_leakage_table(struct radeon_device *rdev,
         PP_NIslands_CACTABLES *cac_tables)
{
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct radeon_cac_leakage_table *leakage_table =
  &rdev->pm.dpm.dyn_state.cac_leakage_table;
 u32 i, j, table_size;
 u32 smc_leakage, max_leakage = 0;
 u32 scaling_factor;

 table_size = leakage_table->count;

 if (eg_pi->vddc_voltage_table.count != table_size)
  table_size = (eg_pi->vddc_voltage_table.count < leakage_table->count) ?
   eg_pi->vddc_voltage_table.count : leakage_table->count;

 if (SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES < table_size)
  table_size = SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES;

 if (table_size == 0)
  return -EINVAL;

 scaling_factor = ni_get_smc_power_scaling_factor(rdev);

 for (j = 0; j < table_size; j++) {
  smc_leakage = leakage_table->entries[j].leakage;

  if (smc_leakage > max_leakage)
   max_leakage = smc_leakage;

  for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
   cac_tables->cac_lkge_lut[i][j] =
    cpu_to_be32(ni_scale_power_for_smc(smc_leakage, scaling_factor));
 }

 for (j = table_size; j < SMC_NISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES; j++) {
  for (i = 0; i < SMC_NISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES; i++)
   cac_tables->cac_lkge_lut[i][j] =
    cpu_to_be32(ni_scale_power_for_smc(max_leakage, scaling_factor));
 }
 return 0;
}

static int ni_initialize_smc_cac_tables(struct radeon_device *rdev)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 PP_NIslands_CACTABLES *cac_tables = NULL;
 int i, ret;
 u32 reg;

 if (ni_pi->enable_cac == false)
  return 0;

 cac_tables = kzalloc(sizeof(PP_NIslands_CACTABLES), GFP_KERNEL);
 if (!cac_tables)
  return -ENOMEM;

 reg = RREG32(CG_CAC_CTRL) & ~(TID_CNT_MASK | TID_UNIT_MASK);
 reg |= (TID_CNT(ni_pi->cac_weights->tid_cnt) |
  TID_UNIT(ni_pi->cac_weights->tid_unit));
 WREG32(CG_CAC_CTRL, reg);

 for (i = 0; i < NISLANDS_DCCAC_MAX_LEVELS; i++)
  ni_pi->dc_cac_table[i] = ni_pi->cac_weights->dc_cac[i];

 for (i = 0; i < SMC_NISLANDS_BIF_LUT_NUM_OF_ENTRIES; i++)
  cac_tables->cac_bif_lut[i] = ni_pi->cac_weights->pcie_cac[i];

 ni_pi->cac_data.i_leakage = rdev->pm.dpm.cac_leakage;
 ni_pi->cac_data.pwr_const = 0;
 ni_pi->cac_data.dc_cac_value = ni_pi->dc_cac_table[NISLANDS_DCCAC_LEVEL_0];
 ni_pi->cac_data.bif_cac_value = 0;
 ni_pi->cac_data.mc_wr_weight = ni_pi->cac_weights->mc_write_weight;
 ni_pi->cac_data.mc_rd_weight = ni_pi->cac_weights->mc_read_weight;
 ni_pi->cac_data.allow_ovrflw = 0;
 ni_pi->cac_data.l2num_win_tdp = ni_pi->lta_window_size;
 ni_pi->cac_data.num_win_tdp = 0;
 ni_pi->cac_data.lts_truncate_n = ni_pi->lts_truncate;

 if (ni_pi->driver_calculate_cac_leakage)
  ret = ni_init_driver_calculated_leakage_table(rdev, cac_tables);
 else
  ret = ni_init_simplified_leakage_table(rdev, cac_tables);

 if (ret)
  goto done_free;

 cac_tables->pwr_const      = cpu_to_be32(ni_pi->cac_data.pwr_const);
 cac_tables->dc_cacValue    = cpu_to_be32(ni_pi->cac_data.dc_cac_value);
 cac_tables->bif_cacValue   = cpu_to_be32(ni_pi->cac_data.bif_cac_value);
 cac_tables->AllowOvrflw    = ni_pi->cac_data.allow_ovrflw;
 cac_tables->MCWrWeight     = ni_pi->cac_data.mc_wr_weight;
 cac_tables->MCRdWeight     = ni_pi->cac_data.mc_rd_weight;
 cac_tables->numWin_TDP     = ni_pi->cac_data.num_win_tdp;
 cac_tables->l2numWin_TDP   = ni_pi->cac_data.l2num_win_tdp;
 cac_tables->lts_truncate_n = ni_pi->cac_data.lts_truncate_n;

 ret = rv770_copy_bytes_to_smc(rdev, ni_pi->cac_table_start, (u8 *)cac_tables,
          sizeof(PP_NIslands_CACTABLES), pi->sram_end);

done_free:
 if (ret) {
  ni_pi->enable_cac = false;
  ni_pi->enable_power_containment = false;
 }

 kfree(cac_tables);

 return 0;
}

static int ni_initialize_hardware_cac_manager(struct radeon_device *rdev)
{
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 u32 reg;

 if (!ni_pi->enable_cac ||
     !ni_pi->cac_configuration_required)
  return 0;

 if (ni_pi->cac_weights == NULL)
  return -EINVAL;

 reg = RREG32_CG(CG_CAC_REGION_1_WEIGHT_0) & ~(WEIGHT_TCP_SIG0_MASK |
            WEIGHT_TCP_SIG1_MASK |
            WEIGHT_TA_SIG_MASK);
 reg |= (WEIGHT_TCP_SIG0(ni_pi->cac_weights->weight_tcp_sig0) |
  WEIGHT_TCP_SIG1(ni_pi->cac_weights->weight_tcp_sig1) |
  WEIGHT_TA_SIG(ni_pi->cac_weights->weight_ta_sig));
 WREG32_CG(CG_CAC_REGION_1_WEIGHT_0, reg);

 reg = RREG32_CG(CG_CAC_REGION_1_WEIGHT_1) & ~(WEIGHT_TCC_EN0_MASK |
            WEIGHT_TCC_EN1_MASK |
            WEIGHT_TCC_EN2_MASK);
 reg |= (WEIGHT_TCC_EN0(ni_pi->cac_weights->weight_tcc_en0) |
  WEIGHT_TCC_EN1(ni_pi->cac_weights->weight_tcc_en1) |
  WEIGHT_TCC_EN2(ni_pi->cac_weights->weight_tcc_en2));
 WREG32_CG(CG_CAC_REGION_1_WEIGHT_1, reg);

 reg = RREG32_CG(CG_CAC_REGION_2_WEIGHT_0) & ~(WEIGHT_CB_EN0_MASK |
            WEIGHT_CB_EN1_MASK |
            WEIGHT_CB_EN2_MASK |
            WEIGHT_CB_EN3_MASK);
 reg |= (WEIGHT_CB_EN0(ni_pi->cac_weights->weight_cb_en0) |
  WEIGHT_CB_EN1(ni_pi->cac_weights->weight_cb_en1) |
  WEIGHT_CB_EN2(ni_pi->cac_weights->weight_cb_en2) |
  WEIGHT_CB_EN3(ni_pi->cac_weights->weight_cb_en3));
 WREG32_CG(CG_CAC_REGION_2_WEIGHT_0, reg);

 reg = RREG32_CG(CG_CAC_REGION_2_WEIGHT_1) & ~(WEIGHT_DB_SIG0_MASK |
            WEIGHT_DB_SIG1_MASK |
            WEIGHT_DB_SIG2_MASK |
            WEIGHT_DB_SIG3_MASK);
 reg |= (WEIGHT_DB_SIG0(ni_pi->cac_weights->weight_db_sig0) |
  WEIGHT_DB_SIG1(ni_pi->cac_weights->weight_db_sig1) |
  WEIGHT_DB_SIG2(ni_pi->cac_weights->weight_db_sig2) |
  WEIGHT_DB_SIG3(ni_pi->cac_weights->weight_db_sig3));
 WREG32_CG(CG_CAC_REGION_2_WEIGHT_1, reg);

 reg = RREG32_CG(CG_CAC_REGION_2_WEIGHT_2) & ~(WEIGHT_SXM_SIG0_MASK |
            WEIGHT_SXM_SIG1_MASK |
            WEIGHT_SXM_SIG2_MASK |
            WEIGHT_SXS_SIG0_MASK |
            WEIGHT_SXS_SIG1_MASK);
 reg |= (WEIGHT_SXM_SIG0(ni_pi->cac_weights->weight_sxm_sig0) |
  WEIGHT_SXM_SIG1(ni_pi->cac_weights->weight_sxm_sig1) |
  WEIGHT_SXM_SIG2(ni_pi->cac_weights->weight_sxm_sig2) |
  WEIGHT_SXS_SIG0(ni_pi->cac_weights->weight_sxs_sig0) |
  WEIGHT_SXS_SIG1(ni_pi->cac_weights->weight_sxs_sig1));
 WREG32_CG(CG_CAC_REGION_2_WEIGHT_2, reg);

 reg = RREG32_CG(CG_CAC_REGION_3_WEIGHT_0) & ~(WEIGHT_XBR_0_MASK |
            WEIGHT_XBR_1_MASK |
            WEIGHT_XBR_2_MASK |
            WEIGHT_SPI_SIG0_MASK);
 reg |= (WEIGHT_XBR_0(ni_pi->cac_weights->weight_xbr_0) |
  WEIGHT_XBR_1(ni_pi->cac_weights->weight_xbr_1) |
  WEIGHT_XBR_2(ni_pi->cac_weights->weight_xbr_2) |
  WEIGHT_SPI_SIG0(ni_pi->cac_weights->weight_spi_sig0));
 WREG32_CG(CG_CAC_REGION_3_WEIGHT_0, reg);

 reg = RREG32_CG(CG_CAC_REGION_3_WEIGHT_1) & ~(WEIGHT_SPI_SIG1_MASK |
            WEIGHT_SPI_SIG2_MASK |
            WEIGHT_SPI_SIG3_MASK |
            WEIGHT_SPI_SIG4_MASK |
            WEIGHT_SPI_SIG5_MASK);
 reg |= (WEIGHT_SPI_SIG1(ni_pi->cac_weights->weight_spi_sig1) |
  WEIGHT_SPI_SIG2(ni_pi->cac_weights->weight_spi_sig2) |
  WEIGHT_SPI_SIG3(ni_pi->cac_weights->weight_spi_sig3) |
  WEIGHT_SPI_SIG4(ni_pi->cac_weights->weight_spi_sig4) |
  WEIGHT_SPI_SIG5(ni_pi->cac_weights->weight_spi_sig5));
 WREG32_CG(CG_CAC_REGION_3_WEIGHT_1, reg);

 reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_0) & ~(WEIGHT_LDS_SIG0_MASK |
            WEIGHT_LDS_SIG1_MASK |
            WEIGHT_SC_MASK);
 reg |= (WEIGHT_LDS_SIG0(ni_pi->cac_weights->weight_lds_sig0) |
  WEIGHT_LDS_SIG1(ni_pi->cac_weights->weight_lds_sig1) |
  WEIGHT_SC(ni_pi->cac_weights->weight_sc));
 WREG32_CG(CG_CAC_REGION_4_WEIGHT_0, reg);

 reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_1) & ~(WEIGHT_BIF_MASK |
            WEIGHT_CP_MASK |
            WEIGHT_PA_SIG0_MASK |
            WEIGHT_PA_SIG1_MASK |
            WEIGHT_VGT_SIG0_MASK);
 reg |= (WEIGHT_BIF(ni_pi->cac_weights->weight_bif) |
  WEIGHT_CP(ni_pi->cac_weights->weight_cp) |
  WEIGHT_PA_SIG0(ni_pi->cac_weights->weight_pa_sig0) |
  WEIGHT_PA_SIG1(ni_pi->cac_weights->weight_pa_sig1) |
  WEIGHT_VGT_SIG0(ni_pi->cac_weights->weight_vgt_sig0));
 WREG32_CG(CG_CAC_REGION_4_WEIGHT_1, reg);

 reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_2) & ~(WEIGHT_VGT_SIG1_MASK |
            WEIGHT_VGT_SIG2_MASK |
            WEIGHT_DC_SIG0_MASK |
            WEIGHT_DC_SIG1_MASK |
            WEIGHT_DC_SIG2_MASK);
 reg |= (WEIGHT_VGT_SIG1(ni_pi->cac_weights->weight_vgt_sig1) |
  WEIGHT_VGT_SIG2(ni_pi->cac_weights->weight_vgt_sig2) |
  WEIGHT_DC_SIG0(ni_pi->cac_weights->weight_dc_sig0) |
  WEIGHT_DC_SIG1(ni_pi->cac_weights->weight_dc_sig1) |
  WEIGHT_DC_SIG2(ni_pi->cac_weights->weight_dc_sig2));
 WREG32_CG(CG_CAC_REGION_4_WEIGHT_2, reg);

 reg = RREG32_CG(CG_CAC_REGION_4_WEIGHT_3) & ~(WEIGHT_DC_SIG3_MASK |
            WEIGHT_UVD_SIG0_MASK |
            WEIGHT_UVD_SIG1_MASK |
            WEIGHT_SPARE0_MASK |
            WEIGHT_SPARE1_MASK);
 reg |= (WEIGHT_DC_SIG3(ni_pi->cac_weights->weight_dc_sig3) |
  WEIGHT_UVD_SIG0(ni_pi->cac_weights->weight_uvd_sig0) |
  WEIGHT_UVD_SIG1(ni_pi->cac_weights->weight_uvd_sig1) |
  WEIGHT_SPARE0(ni_pi->cac_weights->weight_spare0) |
  WEIGHT_SPARE1(ni_pi->cac_weights->weight_spare1));
 WREG32_CG(CG_CAC_REGION_4_WEIGHT_3, reg);

 reg = RREG32_CG(CG_CAC_REGION_5_WEIGHT_0) & ~(WEIGHT_SQ_VSP_MASK |
            WEIGHT_SQ_VSP0_MASK);
 reg |= (WEIGHT_SQ_VSP(ni_pi->cac_weights->weight_sq_vsp) |
  WEIGHT_SQ_VSP0(ni_pi->cac_weights->weight_sq_vsp0));
 WREG32_CG(CG_CAC_REGION_5_WEIGHT_0, reg);

 reg = RREG32_CG(CG_CAC_REGION_5_WEIGHT_1) & ~(WEIGHT_SQ_GPR_MASK);
 reg |= WEIGHT_SQ_GPR(ni_pi->cac_weights->weight_sq_gpr);
 WREG32_CG(CG_CAC_REGION_5_WEIGHT_1, reg);

 reg = RREG32_CG(CG_CAC_REGION_4_OVERRIDE_4) & ~(OVR_MODE_SPARE_0_MASK |
       OVR_VAL_SPARE_0_MASK |
       OVR_MODE_SPARE_1_MASK |
       OVR_VAL_SPARE_1_MASK);
 reg |= (OVR_MODE_SPARE_0(ni_pi->cac_weights->ovr_mode_spare_0) |
  OVR_VAL_SPARE_0(ni_pi->cac_weights->ovr_val_spare_0) |
  OVR_MODE_SPARE_1(ni_pi->cac_weights->ovr_mode_spare_1) |
  OVR_VAL_SPARE_1(ni_pi->cac_weights->ovr_val_spare_1));
 WREG32_CG(CG_CAC_REGION_4_OVERRIDE_4, reg);

 reg = RREG32(SQ_CAC_THRESHOLD) & ~(VSP_MASK |
        VSP0_MASK |
        GPR_MASK);
 reg |= (VSP(ni_pi->cac_weights->vsp) |
  VSP0(ni_pi->cac_weights->vsp0) |
  GPR(ni_pi->cac_weights->gpr));
 WREG32(SQ_CAC_THRESHOLD, reg);

 reg = (MCDW_WR_ENABLE |
        MCDX_WR_ENABLE |
        MCDY_WR_ENABLE |
        MCDZ_WR_ENABLE |
        INDEX(0x09D4));
 WREG32(MC_CG_CONFIG, reg);

 reg = (READ_WEIGHT(ni_pi->cac_weights->mc_read_weight) |
        WRITE_WEIGHT(ni_pi->cac_weights->mc_write_weight) |
        ALLOW_OVERFLOW);
 WREG32(MC_CG_DATAPORT, reg);

 return 0;
}

static int ni_enable_smc_cac(struct radeon_device *rdev,
        struct radeon_ps *radeon_new_state,
        bool enable)
{
 struct ni_power_info *ni_pi = ni_get_pi(rdev);
 int ret = 0;
 PPSMC_Result smc_result;

 if (ni_pi->enable_cac) {
  if (enable) {
   if (!r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
    smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_CollectCAC_PowerCorreln);

    if (ni_pi->support_cac_long_term_average) {
     smc_result = rv770_send_msg_to_smc(rdev, PPSMC_CACLongTermAvgEnable);
     if (PPSMC_Result_OK != smc_result)
      ni_pi->support_cac_long_term_average = false;
    }

    smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_EnableCac);
    if (PPSMC_Result_OK != smc_result)
     ret = -EINVAL;

    ni_pi->cac_enabled = (PPSMC_Result_OK == smc_result) ? true : false;
   }
  } else if (ni_pi->cac_enabled) {
   smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_DisableCac);

   ni_pi->cac_enabled = false;

   if (ni_pi->support_cac_long_term_average) {
    smc_result = rv770_send_msg_to_smc(rdev, PPSMC_CACLongTermAvgDisable);
    if (PPSMC_Result_OK != smc_result)
     ni_pi->support_cac_long_term_average = false;
   }
  }
 }

 return ret;
}

static int ni_pcie_performance_request(struct radeon_device *rdev,
           u8 perf_req, bool advertise)
{
#if defined(CONFIG_ACPI)
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);

 if ((perf_req == PCIE_PERF_REQ_PECI_GEN1) ||
     (perf_req == PCIE_PERF_REQ_PECI_GEN2)) {
  if (eg_pi->pcie_performance_request_registered == false)
   radeon_acpi_pcie_notify_device_ready(rdev);
  eg_pi->pcie_performance_request_registered = true;
  return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise);
 } else if ((perf_req == PCIE_PERF_REQ_REMOVE_REGISTRY) &&
      eg_pi->pcie_performance_request_registered) {
  eg_pi->pcie_performance_request_registered = false;
  return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise);
 }
#endif
 return 0;
}

static int ni_advertise_gen2_capability(struct radeon_device *rdev)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 u32 tmp;

 tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);

 if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
     (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2))
  pi->pcie_gen2 = true;
 else
  pi->pcie_gen2 = false;

 if (!pi->pcie_gen2)
  ni_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, true);

 return 0;
}

static void ni_enable_bif_dynamic_pcie_gen2(struct radeon_device *rdev,
         bool enable)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 u32 tmp, bif;

 tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);

 if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
     (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
  if (enable) {
   if (!pi->boot_in_gen2) {
    bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK;
    bif |= CG_CLIENT_REQ(0xd);
    WREG32(CG_BIF_REQ_AND_RSP, bif);
   }
   tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
   tmp |= LC_HW_VOLTAGE_IF_CONTROL(1);
   tmp |= LC_GEN2_EN_STRAP;

   tmp |= LC_CLR_FAILED_SPD_CHANGE_CNT;
   WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
   udelay(10);
   tmp &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
   WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
  } else {
   if (!pi->boot_in_gen2) {
    bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK;
    bif |= CG_CLIENT_REQ(0xd);
    WREG32(CG_BIF_REQ_AND_RSP, bif);

    tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
    tmp &= ~LC_GEN2_EN_STRAP;
   }
   WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
  }
 }
}

static void ni_enable_dynamic_pcie_gen2(struct radeon_device *rdev,
     bool enable)
{
 ni_enable_bif_dynamic_pcie_gen2(rdev, enable);

 if (enable)
  WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE);
 else
  WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE);
}

void ni_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
        struct radeon_ps *new_ps,
        struct radeon_ps *old_ps)
{
 struct ni_ps *new_state = ni_get_ps(new_ps);
 struct ni_ps *current_state = ni_get_ps(old_ps);

 if ((new_ps->vclk == old_ps->vclk) &&
     (new_ps->dclk == old_ps->dclk))
  return;

 if (new_state->performance_levels[new_state->performance_level_count - 1].sclk >=
     current_state->performance_levels[current_state->performance_level_count - 1].sclk)
  return;

 radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
}

void ni_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
       struct radeon_ps *new_ps,
       struct radeon_ps *old_ps)
{
 struct ni_ps *new_state = ni_get_ps(new_ps);
 struct ni_ps *current_state = ni_get_ps(old_ps);

 if ((new_ps->vclk == old_ps->vclk) &&
     (new_ps->dclk == old_ps->dclk))
  return;

 if (new_state->performance_levels[new_state->performance_level_count - 1].sclk <
     current_state->performance_levels[current_state->performance_level_count - 1].sclk)
  return;

 radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
}

void ni_dpm_setup_asic(struct radeon_device *rdev)
{
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 int r;

 r = ni_mc_load_microcode(rdev);
 if (r)
  DRM_ERROR("Failed to load MC firmware!\n");
 ni_read_clock_registers(rdev);
 btc_read_arb_registers(rdev);
 rv770_get_memory_type(rdev);
 if (eg_pi->pcie_performance_request)
  ni_advertise_gen2_capability(rdev);
 rv770_get_pcie_gen2_status(rdev);
 rv770_enable_acpi_pm(rdev);
}

void ni_update_current_ps(struct radeon_device *rdev,
     struct radeon_ps *rps)
{
 struct ni_ps *new_ps = ni_get_ps(rps);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);

 eg_pi->current_rps = *rps;
 ni_pi->current_ps = *new_ps;
 eg_pi->current_rps.ps_priv = &ni_pi->current_ps;
}

void ni_update_requested_ps(struct radeon_device *rdev,
       struct radeon_ps *rps)
{
 struct ni_ps *new_ps = ni_get_ps(rps);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_power_info *ni_pi = ni_get_pi(rdev);

 eg_pi->requested_rps = *rps;
 ni_pi->requested_ps = *new_ps;
 eg_pi->requested_rps.ps_priv = &ni_pi->requested_ps;
}

int ni_dpm_enable(struct radeon_device *rdev)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
 int ret;

 if (pi->gfx_clock_gating)
  ni_cg_clockgating_default(rdev);
 if (btc_dpm_enabled(rdev))
  return -EINVAL;
 if (pi->mg_clock_gating)
  ni_mg_clockgating_default(rdev);
 if (eg_pi->ls_clock_gating)
  ni_ls_clockgating_default(rdev);
 if (pi->voltage_control) {
  rv770_enable_voltage_control(rdev, true);
  ret = cypress_construct_voltage_tables(rdev);
  if (ret) {
   DRM_ERROR("cypress_construct_voltage_tables failed\n");
   return ret;
  }
 }
 if (eg_pi->dynamic_ac_timing) {
  ret = ni_initialize_mc_reg_table(rdev);
  if (ret)
   eg_pi->dynamic_ac_timing = false;
 }
 if (pi->dynamic_ss)
  cypress_enable_spread_spectrum(rdev, true);
 if (pi->thermal_protection)
  rv770_enable_thermal_protection(rdev, true);
 rv770_setup_bsp(rdev);
 rv770_program_git(rdev);
 rv770_program_tp(rdev);
 rv770_program_tpp(rdev);
 rv770_program_sstp(rdev);
 cypress_enable_display_gap(rdev);
 rv770_program_vc(rdev);
 if (pi->dynamic_pcie_gen2)
  ni_enable_dynamic_pcie_gen2(rdev, true);
 ret = rv770_upload_firmware(rdev);
 if (ret) {
  DRM_ERROR("rv770_upload_firmware failed\n");
  return ret;
 }
 ret = ni_process_firmware_header(rdev);
 if (ret) {
  DRM_ERROR("ni_process_firmware_header failed\n");
  return ret;
 }
 ret = ni_initial_switch_from_arb_f0_to_f1(rdev);
 if (ret) {
  DRM_ERROR("ni_initial_switch_from_arb_f0_to_f1 failed\n");
  return ret;
 }
 ret = ni_init_smc_table(rdev);
 if (ret) {
  DRM_ERROR("ni_init_smc_table failed\n");
  return ret;
 }
 ret = ni_init_smc_spll_table(rdev);
 if (ret) {
  DRM_ERROR("ni_init_smc_spll_table failed\n");
  return ret;
 }
 ret = ni_init_arb_table_index(rdev);
 if (ret) {
  DRM_ERROR("ni_init_arb_table_index failed\n");
  return ret;
 }
 if (eg_pi->dynamic_ac_timing) {
  ret = ni_populate_mc_reg_table(rdev, boot_ps);
  if (ret) {
   DRM_ERROR("ni_populate_mc_reg_table failed\n");
   return ret;
  }
 }
 ret = ni_initialize_smc_cac_tables(rdev);
 if (ret) {
  DRM_ERROR("ni_initialize_smc_cac_tables failed\n");
  return ret;
 }
 ret = ni_initialize_hardware_cac_manager(rdev);
 if (ret) {
  DRM_ERROR("ni_initialize_hardware_cac_manager failed\n");
  return ret;
 }
 ret = ni_populate_smc_tdp_limits(rdev, boot_ps);
 if (ret) {
  DRM_ERROR("ni_populate_smc_tdp_limits failed\n");
  return ret;
 }
 ni_program_response_times(rdev);
 r7xx_start_smc(rdev);
 ret = cypress_notify_smc_display_change(rdev, false);
 if (ret) {
  DRM_ERROR("cypress_notify_smc_display_change failed\n");
  return ret;
 }
 cypress_enable_sclk_control(rdev, true);
 if (eg_pi->memory_transition)
  cypress_enable_mclk_control(rdev, true);
 cypress_start_dpm(rdev);
 if (pi->gfx_clock_gating)
  ni_gfx_clockgating_enable(rdev, true);
 if (pi->mg_clock_gating)
  ni_mg_clockgating_enable(rdev, true);
 if (eg_pi->ls_clock_gating)
  ni_ls_clockgating_enable(rdev, true);

 rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true);

 ni_update_current_ps(rdev, boot_ps);

 return 0;
}

void ni_dpm_disable(struct radeon_device *rdev)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;

 if (!btc_dpm_enabled(rdev))
  return;
 rv770_clear_vc(rdev);
 if (pi->thermal_protection)
  rv770_enable_thermal_protection(rdev, false);
 ni_enable_power_containment(rdev, boot_ps, false);
 ni_enable_smc_cac(rdev, boot_ps, false);
 cypress_enable_spread_spectrum(rdev, false);
 rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, false);
 if (pi->dynamic_pcie_gen2)
  ni_enable_dynamic_pcie_gen2(rdev, false);

 if (rdev->irq.installed &&
     r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
  rdev->irq.dpm_thermal = false;
  radeon_irq_set(rdev);
 }

 if (pi->gfx_clock_gating)
  ni_gfx_clockgating_enable(rdev, false);
 if (pi->mg_clock_gating)
  ni_mg_clockgating_enable(rdev, false);
 if (eg_pi->ls_clock_gating)
  ni_ls_clockgating_enable(rdev, false);
 ni_stop_dpm(rdev);
 btc_reset_to_default(rdev);
 ni_stop_smc(rdev);
 ni_force_switch_to_arb_f0(rdev);

 ni_update_current_ps(rdev, boot_ps);
}

static int ni_power_control_set_level(struct radeon_device *rdev)
{
 struct radeon_ps *new_ps = rdev->pm.dpm.requested_ps;
 int ret;

 ret = ni_restrict_performance_levels_before_switch(rdev);
 if (ret)
  return ret;
 ret = rv770_halt_smc(rdev);
 if (ret)
  return ret;
 ret = ni_populate_smc_tdp_limits(rdev, new_ps);
 if (ret)
  return ret;
 ret = rv770_resume_smc(rdev);
 if (ret)
  return ret;
 ret = rv770_set_sw_state(rdev);
 if (ret)
  return ret;

 return 0;
}

int ni_dpm_pre_set_power_state(struct radeon_device *rdev)
{
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps;
 struct radeon_ps *new_ps = &requested_ps;

 ni_update_requested_ps(rdev, new_ps);

 ni_apply_state_adjust_rules(rdev, &eg_pi->requested_rps);

 return 0;
}

int ni_dpm_set_power_state(struct radeon_device *rdev)
{
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct radeon_ps *new_ps = &eg_pi->requested_rps;
 struct radeon_ps *old_ps = &eg_pi->current_rps;
 int ret;

 ret = ni_restrict_performance_levels_before_switch(rdev);
 if (ret) {
  DRM_ERROR("ni_restrict_performance_levels_before_switch failed\n");
  return ret;
 }
 ni_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
 ret = ni_enable_power_containment(rdev, new_ps, false);
 if (ret) {
  DRM_ERROR("ni_enable_power_containment failed\n");
  return ret;
 }
 ret = ni_enable_smc_cac(rdev, new_ps, false);
 if (ret) {
  DRM_ERROR("ni_enable_smc_cac failed\n");
  return ret;
 }
 ret = rv770_halt_smc(rdev);
 if (ret) {
  DRM_ERROR("rv770_halt_smc failed\n");
  return ret;
 }
 if (eg_pi->smu_uvd_hs)
  btc_notify_uvd_to_smc(rdev, new_ps);
 ret = ni_upload_sw_state(rdev, new_ps);
 if (ret) {
  DRM_ERROR("ni_upload_sw_state failed\n");
  return ret;
 }
 if (eg_pi->dynamic_ac_timing) {
  ret = ni_upload_mc_reg_table(rdev, new_ps);
  if (ret) {
   DRM_ERROR("ni_upload_mc_reg_table failed\n");
   return ret;
  }
 }
 ret = ni_program_memory_timing_parameters(rdev, new_ps);
 if (ret) {
  DRM_ERROR("ni_program_memory_timing_parameters failed\n");
  return ret;
 }
 ret = rv770_resume_smc(rdev);
 if (ret) {
  DRM_ERROR("rv770_resume_smc failed\n");
  return ret;
 }
 ret = rv770_set_sw_state(rdev);
 if (ret) {
  DRM_ERROR("rv770_set_sw_state failed\n");
  return ret;
 }
 ni_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
 ret = ni_enable_smc_cac(rdev, new_ps, true);
 if (ret) {
  DRM_ERROR("ni_enable_smc_cac failed\n");
  return ret;
 }
 ret = ni_enable_power_containment(rdev, new_ps, true);
 if (ret) {
  DRM_ERROR("ni_enable_power_containment failed\n");
  return ret;
 }

 /* update tdp */
 ret = ni_power_control_set_level(rdev);
 if (ret) {
  DRM_ERROR("ni_power_control_set_level failed\n");
  return ret;
 }

 return 0;
}

void ni_dpm_post_set_power_state(struct radeon_device *rdev)
{
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct radeon_ps *new_ps = &eg_pi->requested_rps;

 ni_update_current_ps(rdev, new_ps);
}

#if 0
void ni_dpm_reset_asic(struct radeon_device *rdev)
{
 ni_restrict_performance_levels_before_switch(rdev);
 rv770_set_boot_state(rdev);
}
#endif

union power_info {
 struct _ATOM_POWERPLAY_INFO info;
 struct _ATOM_POWERPLAY_INFO_V2 info_2;
 struct _ATOM_POWERPLAY_INFO_V3 info_3;
 struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
 struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
 struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
};

union pplib_clock_info {
 struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
 struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
 struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
 struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
};

union pplib_power_state {
 struct _ATOM_PPLIB_STATE v1;
 struct _ATOM_PPLIB_STATE_V2 v2;
};

static void ni_parse_pplib_non_clock_info(struct radeon_device *rdev,
       struct radeon_ps *rps,
       struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
       u8 table_rev)
{
 rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
 rps->class = le16_to_cpu(non_clock_info->usClassification);
 rps->class2 = le16_to_cpu(non_clock_info->usClassification2);

 if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
  rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
  rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
 } else if (r600_is_uvd_state(rps->class, rps->class2)) {
  rps->vclk = RV770_DEFAULT_VCLK_FREQ;
  rps->dclk = RV770_DEFAULT_DCLK_FREQ;
 } else {
  rps->vclk = 0;
  rps->dclk = 0;
 }

 if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT)
  rdev->pm.dpm.boot_ps = rps;
 if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
  rdev->pm.dpm.uvd_ps = rps;
}

static void ni_parse_pplib_clock_info(struct radeon_device *rdev,
          struct radeon_ps *rps, int index,
          union pplib_clock_info *clock_info)
{
 struct rv7xx_power_info *pi = rv770_get_pi(rdev);
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_ps *ps = ni_get_ps(rps);
 struct rv7xx_pl *pl = &ps->performance_levels[index];

 ps->performance_level_count = index + 1;

 pl->sclk = le16_to_cpu(clock_info->evergreen.usEngineClockLow);
 pl->sclk |= clock_info->evergreen.ucEngineClockHigh << 16;
 pl->mclk = le16_to_cpu(clock_info->evergreen.usMemoryClockLow);
 pl->mclk |= clock_info->evergreen.ucMemoryClockHigh << 16;

 pl->vddc = le16_to_cpu(clock_info->evergreen.usVDDC);
 pl->vddci = le16_to_cpu(clock_info->evergreen.usVDDCI);
 pl->flags = le32_to_cpu(clock_info->evergreen.ulFlags);

 /* patch up vddc if necessary */
 if (pl->vddc == 0xff01) {
  if (pi->max_vddc)
   pl->vddc = pi->max_vddc;
 }

 if (rps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) {
  pi->acpi_vddc = pl->vddc;
  eg_pi->acpi_vddci = pl->vddci;
  if (ps->performance_levels[0].flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2)
   pi->acpi_pcie_gen2 = true;
  else
   pi->acpi_pcie_gen2 = false;
 }

 if (rps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) {
  eg_pi->ulv.supported = true;
  eg_pi->ulv.pl = pl;
 }

 if (pi->min_vddc_in_table > pl->vddc)
  pi->min_vddc_in_table = pl->vddc;

 if (pi->max_vddc_in_table < pl->vddc)
  pi->max_vddc_in_table = pl->vddc;

 /* patch up boot state */
 if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
  u16 vddc, vddci, mvdd;
  radeon_atombios_get_default_voltages(rdev, &vddc, &vddci, &mvdd);
  pl->mclk = rdev->clock.default_mclk;
  pl->sclk = rdev->clock.default_sclk;
  pl->vddc = vddc;
  pl->vddci = vddci;
 }

 if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
     ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) {
  rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk = pl->sclk;
  rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk = pl->mclk;
  rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddc = pl->vddc;
  rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddci = pl->vddci;
 }
}

static int ni_parse_power_table(struct radeon_device *rdev)
{
 struct radeon_mode_info *mode_info = &rdev->mode_info;
 struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
 union pplib_power_state *power_state;
 int i, j;
 union pplib_clock_info *clock_info;
 union power_info *power_info;
 int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
 u16 data_offset;
 u8 frev, crev;
 struct ni_ps *ps;

 if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
       &frev, &crev, &data_offset))
  return -EINVAL;
 power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);

 rdev->pm.dpm.ps = kcalloc(power_info->pplib.ucNumStates,
      sizeof(struct radeon_ps),
      GFP_KERNEL);
 if (!rdev->pm.dpm.ps)
  return -ENOMEM;

 for (i = 0; i < power_info->pplib.ucNumStates; i++) {
  power_state = (union pplib_power_state *)
   (mode_info->atom_context->bios + data_offset +
    le16_to_cpu(power_info->pplib.usStateArrayOffset) +
    i * power_info->pplib.ucStateEntrySize);
  non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
   (mode_info->atom_context->bios + data_offset +
    le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset) +
    (power_state->v1.ucNonClockStateIndex *
     power_info->pplib.ucNonClockSize));
  if (power_info->pplib.ucStateEntrySize - 1) {
   u8 *idx;
   ps = kzalloc(sizeof(struct ni_ps), GFP_KERNEL);
   if (ps == NULL) {
    kfree(rdev->pm.dpm.ps);
    return -ENOMEM;
   }
   rdev->pm.dpm.ps[i].ps_priv = ps;
   ni_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
        non_clock_info,
        power_info->pplib.ucNonClockSize);
   idx = (u8 *)&power_state->v1.ucClockStateIndices[0];
   for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
    clock_info = (union pplib_clock_info *)
     (mode_info->atom_context->bios + data_offset +
      le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
      (idx[j] * power_info->pplib.ucClockInfoSize));
    ni_parse_pplib_clock_info(rdev,
         &rdev->pm.dpm.ps[i], j,
         clock_info);
   }
  }
 }
 rdev->pm.dpm.num_ps = power_info->pplib.ucNumStates;
 return 0;
}

int ni_dpm_init(struct radeon_device *rdev)
{
 struct rv7xx_power_info *pi;
 struct evergreen_power_info *eg_pi;
 struct ni_power_info *ni_pi;
 struct atom_clock_dividers dividers;
 int ret;

 ni_pi = kzalloc(sizeof(struct ni_power_info), GFP_KERNEL);
 if (ni_pi == NULL)
  return -ENOMEM;
 rdev->pm.dpm.priv = ni_pi;
 eg_pi = &ni_pi->eg;
 pi = &eg_pi->rv7xx;

 rv770_get_max_vddc(rdev);

 eg_pi->ulv.supported = false;
 pi->acpi_vddc = 0;
 eg_pi->acpi_vddci = 0;
 pi->min_vddc_in_table = 0;
 pi->max_vddc_in_table = 0;

 ret = r600_get_platform_caps(rdev);
 if (ret)
  return ret;

 ret = ni_parse_power_table(rdev);
 if (ret)
  return ret;
 ret = r600_parse_extended_power_table(rdev);
 if (ret)
  return ret;

 rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries =
  kcalloc(4,
   sizeof(struct radeon_clock_voltage_dependency_entry),
   GFP_KERNEL);
 if (!rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries) {
  r600_free_extended_power_table(rdev);
  return -ENOMEM;
 }
 rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.count = 4;
 rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].clk = 0;
 rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].v = 0;
 rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].clk = 36000;
 rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].v = 720;
 rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].clk = 54000;
 rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].v = 810;
 rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].clk = 72000;
 rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].v = 900;

 ni_patch_dependency_tables_based_on_leakage(rdev);

 if (rdev->pm.dpm.voltage_response_time == 0)
  rdev->pm.dpm.voltage_response_time = R600_VOLTAGERESPONSETIME_DFLT;
 if (rdev->pm.dpm.backbias_response_time == 0)
  rdev->pm.dpm.backbias_response_time = R600_BACKBIASRESPONSETIME_DFLT;

 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
          0, false, ÷rs);
 if (ret)
  pi->ref_div = dividers.ref_div + 1;
 else
  pi->ref_div = R600_REFERENCEDIVIDER_DFLT;

 pi->rlp = RV770_RLP_DFLT;
 pi->rmp = RV770_RMP_DFLT;
 pi->lhp = RV770_LHP_DFLT;
 pi->lmp = RV770_LMP_DFLT;

 eg_pi->ats[0].rlp = RV770_RLP_DFLT;
 eg_pi->ats[0].rmp = RV770_RMP_DFLT;
 eg_pi->ats[0].lhp = RV770_LHP_DFLT;
 eg_pi->ats[0].lmp = RV770_LMP_DFLT;

 eg_pi->ats[1].rlp = BTC_RLP_UVD_DFLT;
 eg_pi->ats[1].rmp = BTC_RMP_UVD_DFLT;
 eg_pi->ats[1].lhp = BTC_LHP_UVD_DFLT;
 eg_pi->ats[1].lmp = BTC_LMP_UVD_DFLT;

 eg_pi->smu_uvd_hs = true;

 if (rdev->pdev->device == 0x6707) {
  pi->mclk_strobe_mode_threshold = 55000;
  pi->mclk_edc_enable_threshold = 55000;
  eg_pi->mclk_edc_wr_enable_threshold = 55000;
 } else {
  pi->mclk_strobe_mode_threshold = 40000;
  pi->mclk_edc_enable_threshold = 40000;
  eg_pi->mclk_edc_wr_enable_threshold = 40000;
 }
 ni_pi->mclk_rtt_mode_threshold = eg_pi->mclk_edc_wr_enable_threshold;

 pi->voltage_control =
  radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0);

 pi->mvdd_control =
  radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 0);

 eg_pi->vddci_control =
  radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0);

 rv770_get_engine_memory_ss(rdev);

 pi->asi = RV770_ASI_DFLT;
 pi->pasi = CYPRESS_HASI_DFLT;
 pi->vrc = CYPRESS_VRC_DFLT;

 pi->power_gating = false;

 pi->gfx_clock_gating = true;

 pi->mg_clock_gating = true;
 pi->mgcgtssm = true;
 eg_pi->ls_clock_gating = false;
 eg_pi->sclk_deep_sleep = false;

 pi->dynamic_pcie_gen2 = true;

 if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
  pi->thermal_protection = true;
 else
  pi->thermal_protection = false;

 pi->display_gap = true;

 pi->dcodt = true;

 pi->ulps = true;

 eg_pi->dynamic_ac_timing = true;
 eg_pi->abm = true;
 eg_pi->mcls = true;
 eg_pi->light_sleep = true;
 eg_pi->memory_transition = true;
#if defined(CONFIG_ACPI)
 eg_pi->pcie_performance_request =
  radeon_acpi_is_pcie_performance_request_supported(rdev);
#else
 eg_pi->pcie_performance_request = false;
#endif

 eg_pi->dll_default_on = false;

 eg_pi->sclk_deep_sleep = false;

 pi->mclk_stutter_mode_threshold = 0;

 pi->sram_end = SMC_RAM_END;

 rdev->pm.dpm.dyn_state.mclk_sclk_ratio = 3;
 rdev->pm.dpm.dyn_state.vddc_vddci_delta = 200;
 rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2 = 900;
 rdev->pm.dpm.dyn_state.valid_sclk_values.count = ARRAY_SIZE(btc_valid_sclk);
 rdev->pm.dpm.dyn_state.valid_sclk_values.values = btc_valid_sclk;
 rdev->pm.dpm.dyn_state.valid_mclk_values.count = 0;
 rdev->pm.dpm.dyn_state.valid_mclk_values.values = NULL;
 rdev->pm.dpm.dyn_state.sclk_mclk_delta = 12500;

 ni_pi->cac_data.leakage_coefficients.at = 516;
 ni_pi->cac_data.leakage_coefficients.bt = 18;
 ni_pi->cac_data.leakage_coefficients.av = 51;
 ni_pi->cac_data.leakage_coefficients.bv = 2957;

 switch (rdev->pdev->device) {
 case 0x6700:
 case 0x6701:
 case 0x6702:
 case 0x6703:
 case 0x6718:
  ni_pi->cac_weights = &cac_weights_cayman_xt;
  break;
 case 0x6705:
 case 0x6719:
 case 0x671D:
 case 0x671C:
 default:
  ni_pi->cac_weights = &cac_weights_cayman_pro;
  break;
 case 0x6704:
 case 0x6706:
 case 0x6707:
 case 0x6708:
 case 0x6709:
  ni_pi->cac_weights = &cac_weights_cayman_le;
  break;
 }

 if (ni_pi->cac_weights->enable_power_containment_by_default) {
  ni_pi->enable_power_containment = true;
  ni_pi->enable_cac = true;
  ni_pi->enable_sq_ramping = true;
 } else {
  ni_pi->enable_power_containment = false;
  ni_pi->enable_cac = false;
  ni_pi->enable_sq_ramping = false;
 }

 ni_pi->driver_calculate_cac_leakage = false;
 ni_pi->cac_configuration_required = true;

 if (ni_pi->cac_configuration_required) {
  ni_pi->support_cac_long_term_average = true;
  ni_pi->lta_window_size = ni_pi->cac_weights->l2_lta_window_size;
  ni_pi->lts_truncate = ni_pi->cac_weights->lts_truncate;
 } else {
  ni_pi->support_cac_long_term_average = false;
  ni_pi->lta_window_size = 0;
  ni_pi->lts_truncate = 0;
 }

 ni_pi->use_power_boost_limit = true;

 /* make sure dc limits are valid */
 if ((rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk == 0) ||
     (rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk == 0))
  rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc =
   rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;

 return 0;
}

void ni_dpm_fini(struct radeon_device *rdev)
{
 int i;

 for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
  kfree(rdev->pm.dpm.ps[i].ps_priv);
 }
 kfree(rdev->pm.dpm.ps);
 kfree(rdev->pm.dpm.priv);
 kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries);
 r600_free_extended_power_table(rdev);
}

void ni_dpm_print_power_state(struct radeon_device *rdev,
         struct radeon_ps *rps)
{
 struct ni_ps *ps = ni_get_ps(rps);
 struct rv7xx_pl *pl;
 int i;

 r600_dpm_print_class_info(rps->class, rps->class2);
 r600_dpm_print_cap_info(rps->caps);
 printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
 for (i = 0; i < ps->performance_level_count; i++) {
  pl = &ps->performance_levels[i];
  if (rdev->family >= CHIP_TAHITI)
   printk("\t\tpower level %d    sclk: %u mclk: %u vddc: %u vddci: %u pcie gen: %u\n",
          i, pl->sclk, pl->mclk, pl->vddc, pl->vddci, pl->pcie_gen + 1);
  else
   printk("\t\tpower level %d    sclk: %u mclk: %u vddc: %u vddci: %u\n",
          i, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
 }
 r600_dpm_print_ps_status(rdev, rps);
}

void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
          struct seq_file *m)
{
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct radeon_ps *rps = &eg_pi->current_rps;
 struct ni_ps *ps = ni_get_ps(rps);
 struct rv7xx_pl *pl;
 u32 current_index =
  (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
  CURRENT_STATE_INDEX_SHIFT;

 if (current_index >= ps->performance_level_count) {
  seq_printf(m, "invalid dpm profile %d\n", current_index);
 } else {
  pl = &ps->performance_levels[current_index];
  seq_printf(m, "uvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
  seq_printf(m, "power level %d    sclk: %u mclk: %u vddc: %u vddci: %u\n",
      current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
 }
}

u32 ni_dpm_get_current_sclk(struct radeon_device *rdev)
{
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct radeon_ps *rps = &eg_pi->current_rps;
 struct ni_ps *ps = ni_get_ps(rps);
 struct rv7xx_pl *pl;
 u32 current_index =
  (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
  CURRENT_STATE_INDEX_SHIFT;

 if (current_index >= ps->performance_level_count) {
  return 0;
 } else {
  pl = &ps->performance_levels[current_index];
  return pl->sclk;
 }
}

u32 ni_dpm_get_current_mclk(struct radeon_device *rdev)
{
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct radeon_ps *rps = &eg_pi->current_rps;
 struct ni_ps *ps = ni_get_ps(rps);
 struct rv7xx_pl *pl;
 u32 current_index =
  (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
  CURRENT_STATE_INDEX_SHIFT;

 if (current_index >= ps->performance_level_count) {
  return 0;
 } else {
  pl = &ps->performance_levels[current_index];
  return pl->mclk;
 }
}

u32 ni_dpm_get_sclk(struct radeon_device *rdev, bool low)
{
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_ps *requested_state = ni_get_ps(&eg_pi->requested_rps);

 if (low)
  return requested_state->performance_levels[0].sclk;
 else
  return requested_state->performance_levels[requested_state->performance_level_count - 1].sclk;
}

u32 ni_dpm_get_mclk(struct radeon_device *rdev, bool low)
{
 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
 struct ni_ps *requested_state = ni_get_ps(&eg_pi->requested_rps);

 if (low)
  return requested_state->performance_levels[0].mclk;
 else
  return requested_state->performance_levels[requested_state->performance_level_count - 1].mclk;
}