root/drivers/gpu/drm/radeon/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, &dividers);
        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_obj(SMC_NISLANDS_SPLL_DIV_TABLE);
        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, &dividers);
        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_obj(struct atom_mc_reg_table);
        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_obj(PP_NIslands_CACTABLES);
        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;
                        }
                } 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 = kzalloc_objs(struct radeon_ps,
                                       power_info->pplib.ucNumStates);
        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_obj(struct ni_ps);
                        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_obj(struct ni_power_info);
        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 =
                kzalloc_objs(struct radeon_clock_voltage_dependency_entry, 4);
        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, &dividers);
        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;
}