linux/drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_v1_0.c
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   1/*
   2 * Copyright 2015 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 */
  23#include "pp_debug.h"
  24#include <linux/module.h>
  25#include <linux/slab.h>
  26
  27#include "process_pptables_v1_0.h"
  28#include "ppatomctrl.h"
  29#include "atombios.h"
  30#include "hwmgr.h"
  31#include "cgs_common.h"
  32#include "pptable_v1_0.h"
  33
  34/**
  35 * set_hw_cap - Private Function used during initialization.
  36 * @hwmgr: Pointer to the hardware manager.
  37 * @setIt: A flag indication if the capability should be set (TRUE) or reset (FALSE).
  38 * @cap: Which capability to set/reset.
  39 */
  40static void set_hw_cap(struct pp_hwmgr *hwmgr, bool setIt, enum phm_platform_caps cap)
  41{
  42        if (setIt)
  43                phm_cap_set(hwmgr->platform_descriptor.platformCaps, cap);
  44        else
  45                phm_cap_unset(hwmgr->platform_descriptor.platformCaps, cap);
  46}
  47
  48
  49/**
  50 * set_platform_caps - Private Function used during initialization.
  51 * @hwmgr: Pointer to the hardware manager.
  52 * @powerplay_caps: the bit array (from BIOS) of capability bits.
  53 * Exception:  the current implementation always returns 1.
  54 */
  55static int set_platform_caps(struct pp_hwmgr *hwmgr, uint32_t powerplay_caps)
  56{
  57        PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE16____),
  58                "ATOM_PP_PLATFORM_CAP_ASPM_L1 is not supported!", continue);
  59        PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE64____),
  60                "ATOM_PP_PLATFORM_CAP_GEMINIPRIMARY is not supported!", continue);
  61        PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE512____),
  62                "ATOM_PP_PLATFORM_CAP_SIDEPORTCONTROL is not supported!", continue);
  63        PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE1024____),
  64                "ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1 is not supported!", continue);
  65        PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE2048____),
  66                "ATOM_PP_PLATFORM_CAP_HTLINKCONTROL is not supported!", continue);
  67
  68        set_hw_cap(
  69                        hwmgr,
  70                        0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_POWERPLAY),
  71                        PHM_PlatformCaps_PowerPlaySupport
  72                  );
  73
  74        set_hw_cap(
  75                        hwmgr,
  76                        0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_SBIOSPOWERSOURCE),
  77                        PHM_PlatformCaps_BiosPowerSourceControl
  78                  );
  79
  80        set_hw_cap(
  81                        hwmgr,
  82                        0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_HARDWAREDC),
  83                        PHM_PlatformCaps_AutomaticDCTransition
  84                  );
  85
  86        set_hw_cap(
  87                        hwmgr,
  88                        0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_MVDD_CONTROL),
  89                        PHM_PlatformCaps_EnableMVDDControl
  90                  );
  91
  92        set_hw_cap(
  93                        hwmgr,
  94                        0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_VDDCI_CONTROL),
  95                        PHM_PlatformCaps_ControlVDDCI
  96                  );
  97
  98        set_hw_cap(
  99                        hwmgr,
 100                        0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_VDDGFX_CONTROL),
 101                        PHM_PlatformCaps_ControlVDDGFX
 102                  );
 103
 104        set_hw_cap(
 105                        hwmgr,
 106                        0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_BACO),
 107                        PHM_PlatformCaps_BACO
 108                  );
 109
 110        set_hw_cap(
 111                        hwmgr,
 112                        0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_DISABLE_VOLTAGE_ISLAND),
 113                        PHM_PlatformCaps_DisableVoltageIsland
 114                  );
 115
 116        set_hw_cap(
 117                        hwmgr,
 118                        0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_COMBINE_PCC_WITH_THERMAL_SIGNAL),
 119                        PHM_PlatformCaps_CombinePCCWithThermalSignal
 120                  );
 121
 122        set_hw_cap(
 123                        hwmgr,
 124                        0 != (powerplay_caps & ATOM_TONGA_PLATFORM_LOAD_POST_PRODUCTION_FIRMWARE),
 125                        PHM_PlatformCaps_LoadPostProductionFirmware
 126                  );
 127
 128        return 0;
 129}
 130
 131/*
 132 * Private Function to get the PowerPlay Table Address.
 133 */
 134static const void *get_powerplay_table(struct pp_hwmgr *hwmgr)
 135{
 136        int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
 137
 138        u16 size;
 139        u8 frev, crev;
 140        void *table_address = (void *)hwmgr->soft_pp_table;
 141
 142        if (!table_address) {
 143                table_address = (ATOM_Tonga_POWERPLAYTABLE *)
 144                                smu_atom_get_data_table(hwmgr->adev,
 145                                                index, &size, &frev, &crev);
 146                hwmgr->soft_pp_table = table_address;   /*Cache the result in RAM.*/
 147                hwmgr->soft_pp_table_size = size;
 148        }
 149
 150        return table_address;
 151}
 152
 153static int get_vddc_lookup_table(
 154                struct pp_hwmgr *hwmgr,
 155                phm_ppt_v1_voltage_lookup_table **lookup_table,
 156                const ATOM_Tonga_Voltage_Lookup_Table *vddc_lookup_pp_tables,
 157                uint32_t max_levels
 158                )
 159{
 160        uint32_t i;
 161        phm_ppt_v1_voltage_lookup_table *table;
 162        phm_ppt_v1_voltage_lookup_record *record;
 163        ATOM_Tonga_Voltage_Lookup_Record *atom_record;
 164
 165        PP_ASSERT_WITH_CODE((0 != vddc_lookup_pp_tables->ucNumEntries),
 166                "Invalid CAC Leakage PowerPlay Table!", return 1);
 167
 168        table = kzalloc(struct_size(table, entries, max_levels), GFP_KERNEL);
 169        if (!table)
 170                return -ENOMEM;
 171
 172        table->count = vddc_lookup_pp_tables->ucNumEntries;
 173
 174        for (i = 0; i < vddc_lookup_pp_tables->ucNumEntries; i++) {
 175                record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 176                                        phm_ppt_v1_voltage_lookup_record,
 177                                        entries, table, i);
 178                atom_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 179                                        ATOM_Tonga_Voltage_Lookup_Record,
 180                                        entries, vddc_lookup_pp_tables, i);
 181                record->us_calculated = 0;
 182                record->us_vdd = le16_to_cpu(atom_record->usVdd);
 183                record->us_cac_low = le16_to_cpu(atom_record->usCACLow);
 184                record->us_cac_mid = le16_to_cpu(atom_record->usCACMid);
 185                record->us_cac_high = le16_to_cpu(atom_record->usCACHigh);
 186        }
 187
 188        *lookup_table = table;
 189
 190        return 0;
 191}
 192
 193/**
 194 * get_platform_power_management_table - Private Function used during initialization.
 195 * Initialize Platform Power Management Parameter table
 196 * @hwmgr: Pointer to the hardware manager.
 197 * @atom_ppm_table: Pointer to PPM table in VBIOS
 198 */
 199static int get_platform_power_management_table(
 200                struct pp_hwmgr *hwmgr,
 201                ATOM_Tonga_PPM_Table *atom_ppm_table)
 202{
 203        struct phm_ppm_table *ptr = kzalloc(sizeof(ATOM_Tonga_PPM_Table), GFP_KERNEL);
 204        struct phm_ppt_v1_information *pp_table_information =
 205                (struct phm_ppt_v1_information *)(hwmgr->pptable);
 206
 207        if (NULL == ptr)
 208                return -ENOMEM;
 209
 210        ptr->ppm_design
 211                = atom_ppm_table->ucPpmDesign;
 212        ptr->cpu_core_number
 213                = le16_to_cpu(atom_ppm_table->usCpuCoreNumber);
 214        ptr->platform_tdp
 215                = le32_to_cpu(atom_ppm_table->ulPlatformTDP);
 216        ptr->small_ac_platform_tdp
 217                = le32_to_cpu(atom_ppm_table->ulSmallACPlatformTDP);
 218        ptr->platform_tdc
 219                = le32_to_cpu(atom_ppm_table->ulPlatformTDC);
 220        ptr->small_ac_platform_tdc
 221                = le32_to_cpu(atom_ppm_table->ulSmallACPlatformTDC);
 222        ptr->apu_tdp
 223                = le32_to_cpu(atom_ppm_table->ulApuTDP);
 224        ptr->dgpu_tdp
 225                = le32_to_cpu(atom_ppm_table->ulDGpuTDP);
 226        ptr->dgpu_ulv_power
 227                = le32_to_cpu(atom_ppm_table->ulDGpuUlvPower);
 228        ptr->tj_max
 229                = le32_to_cpu(atom_ppm_table->ulTjmax);
 230
 231        pp_table_information->ppm_parameter_table = ptr;
 232
 233        return 0;
 234}
 235
 236/**
 237 * init_dpm_2_parameters - Private Function used during initialization.
 238 * Initialize TDP limits for DPM2
 239 * @hwmgr: Pointer to the hardware manager.
 240 * @powerplay_table: Pointer to the PowerPlay Table.
 241 */
 242static int init_dpm_2_parameters(
 243                struct pp_hwmgr *hwmgr,
 244                const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
 245                )
 246{
 247        int result = 0;
 248        struct phm_ppt_v1_information *pp_table_information = (struct phm_ppt_v1_information *)(hwmgr->pptable);
 249        ATOM_Tonga_PPM_Table *atom_ppm_table;
 250        uint32_t disable_ppm = 0;
 251        uint32_t disable_power_control = 0;
 252
 253        pp_table_information->us_ulv_voltage_offset =
 254                le16_to_cpu(powerplay_table->usUlvVoltageOffset);
 255
 256        pp_table_information->ppm_parameter_table = NULL;
 257        pp_table_information->vddc_lookup_table = NULL;
 258        pp_table_information->vddgfx_lookup_table = NULL;
 259        /* TDP limits */
 260        hwmgr->platform_descriptor.TDPODLimit =
 261                le16_to_cpu(powerplay_table->usPowerControlLimit);
 262        hwmgr->platform_descriptor.TDPAdjustment = 0;
 263        hwmgr->platform_descriptor.VidAdjustment = 0;
 264        hwmgr->platform_descriptor.VidAdjustmentPolarity = 0;
 265        hwmgr->platform_descriptor.VidMinLimit = 0;
 266        hwmgr->platform_descriptor.VidMaxLimit = 1500000;
 267        hwmgr->platform_descriptor.VidStep = 6250;
 268
 269        disable_power_control = 0;
 270        if (0 == disable_power_control) {
 271                /* enable TDP overdrive (PowerControl) feature as well if supported */
 272                if (hwmgr->platform_descriptor.TDPODLimit != 0)
 273                        phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 274                        PHM_PlatformCaps_PowerControl);
 275        }
 276
 277        if (0 != powerplay_table->usVddcLookupTableOffset) {
 278                const ATOM_Tonga_Voltage_Lookup_Table *pVddcCACTable =
 279                        (ATOM_Tonga_Voltage_Lookup_Table *)(((unsigned long)powerplay_table) +
 280                        le16_to_cpu(powerplay_table->usVddcLookupTableOffset));
 281
 282                result = get_vddc_lookup_table(hwmgr,
 283                        &pp_table_information->vddc_lookup_table, pVddcCACTable, 16);
 284        }
 285
 286        if (0 != powerplay_table->usVddgfxLookupTableOffset) {
 287                const ATOM_Tonga_Voltage_Lookup_Table *pVddgfxCACTable =
 288                        (ATOM_Tonga_Voltage_Lookup_Table *)(((unsigned long)powerplay_table) +
 289                        le16_to_cpu(powerplay_table->usVddgfxLookupTableOffset));
 290
 291                result = get_vddc_lookup_table(hwmgr,
 292                        &pp_table_information->vddgfx_lookup_table, pVddgfxCACTable, 16);
 293        }
 294
 295        disable_ppm = 0;
 296        if (0 == disable_ppm) {
 297                atom_ppm_table = (ATOM_Tonga_PPM_Table *)
 298                        (((unsigned long)powerplay_table) + le16_to_cpu(powerplay_table->usPPMTableOffset));
 299
 300                if (0 != powerplay_table->usPPMTableOffset) {
 301                        if (get_platform_power_management_table(hwmgr, atom_ppm_table) == 0) {
 302                                phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 303                                        PHM_PlatformCaps_EnablePlatformPowerManagement);
 304                        }
 305                }
 306        }
 307
 308        return result;
 309}
 310
 311static int get_valid_clk(
 312                struct pp_hwmgr *hwmgr,
 313                struct phm_clock_array **clk_table,
 314                phm_ppt_v1_clock_voltage_dependency_table const *clk_volt_pp_table
 315                )
 316{
 317        uint32_t i;
 318        struct phm_clock_array *table;
 319        phm_ppt_v1_clock_voltage_dependency_record *dep_record;
 320
 321        PP_ASSERT_WITH_CODE((0 != clk_volt_pp_table->count),
 322                "Invalid PowerPlay Table!", return -1);
 323
 324        table = kzalloc(struct_size(table, values, clk_volt_pp_table->count),
 325                        GFP_KERNEL);
 326        if (!table)
 327                return -ENOMEM;
 328
 329        table->count = (uint32_t)clk_volt_pp_table->count;
 330
 331        for (i = 0; i < table->count; i++) {
 332                dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 333                                phm_ppt_v1_clock_voltage_dependency_record,
 334                                entries, clk_volt_pp_table, i);
 335                table->values[i] = (uint32_t)dep_record->clk;
 336        }
 337        *clk_table = table;
 338
 339        return 0;
 340}
 341
 342static int get_hard_limits(
 343                struct pp_hwmgr *hwmgr,
 344                struct phm_clock_and_voltage_limits *limits,
 345                ATOM_Tonga_Hard_Limit_Table const *limitable
 346                )
 347{
 348        PP_ASSERT_WITH_CODE((0 != limitable->ucNumEntries), "Invalid PowerPlay Table!", return -1);
 349
 350        /* currently we always take entries[0] parameters */
 351        limits->sclk = le32_to_cpu(limitable->entries[0].ulSCLKLimit);
 352        limits->mclk = le32_to_cpu(limitable->entries[0].ulMCLKLimit);
 353        limits->vddc = le16_to_cpu(limitable->entries[0].usVddcLimit);
 354        limits->vddci = le16_to_cpu(limitable->entries[0].usVddciLimit);
 355        limits->vddgfx = le16_to_cpu(limitable->entries[0].usVddgfxLimit);
 356
 357        return 0;
 358}
 359
 360static int get_mclk_voltage_dependency_table(
 361                struct pp_hwmgr *hwmgr,
 362                phm_ppt_v1_clock_voltage_dependency_table **pp_tonga_mclk_dep_table,
 363                ATOM_Tonga_MCLK_Dependency_Table const *mclk_dep_table
 364                )
 365{
 366        uint32_t i;
 367        phm_ppt_v1_clock_voltage_dependency_table *mclk_table;
 368        phm_ppt_v1_clock_voltage_dependency_record *mclk_table_record;
 369        ATOM_Tonga_MCLK_Dependency_Record *mclk_dep_record;
 370
 371        PP_ASSERT_WITH_CODE((0 != mclk_dep_table->ucNumEntries),
 372                "Invalid PowerPlay Table!", return -1);
 373
 374        mclk_table = kzalloc(struct_size(mclk_table, entries, mclk_dep_table->ucNumEntries),
 375                             GFP_KERNEL);
 376        if (!mclk_table)
 377                return -ENOMEM;
 378
 379        mclk_table->count = (uint32_t)mclk_dep_table->ucNumEntries;
 380
 381        for (i = 0; i < mclk_dep_table->ucNumEntries; i++) {
 382                mclk_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 383                                        phm_ppt_v1_clock_voltage_dependency_record,
 384                                                entries, mclk_table, i);
 385                mclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 386                                        ATOM_Tonga_MCLK_Dependency_Record,
 387                                                entries, mclk_dep_table, i);
 388                mclk_table_record->vddInd = mclk_dep_record->ucVddcInd;
 389                mclk_table_record->vdd_offset = le16_to_cpu(mclk_dep_record->usVddgfxOffset);
 390                mclk_table_record->vddci = le16_to_cpu(mclk_dep_record->usVddci);
 391                mclk_table_record->mvdd = le16_to_cpu(mclk_dep_record->usMvdd);
 392                mclk_table_record->clk = le32_to_cpu(mclk_dep_record->ulMclk);
 393        }
 394
 395        *pp_tonga_mclk_dep_table = mclk_table;
 396
 397        return 0;
 398}
 399
 400static int get_sclk_voltage_dependency_table(
 401                struct pp_hwmgr *hwmgr,
 402                phm_ppt_v1_clock_voltage_dependency_table **pp_tonga_sclk_dep_table,
 403                PPTable_Generic_SubTable_Header const  *sclk_dep_table
 404                )
 405{
 406        uint32_t i;
 407        phm_ppt_v1_clock_voltage_dependency_table *sclk_table;
 408        phm_ppt_v1_clock_voltage_dependency_record *sclk_table_record;
 409
 410        if (sclk_dep_table->ucRevId < 1) {
 411                const ATOM_Tonga_SCLK_Dependency_Table *tonga_table =
 412                            (ATOM_Tonga_SCLK_Dependency_Table *)sclk_dep_table;
 413                ATOM_Tonga_SCLK_Dependency_Record *sclk_dep_record;
 414
 415                PP_ASSERT_WITH_CODE((0 != tonga_table->ucNumEntries),
 416                        "Invalid PowerPlay Table!", return -1);
 417
 418                sclk_table = kzalloc(struct_size(sclk_table, entries, tonga_table->ucNumEntries),
 419                                     GFP_KERNEL);
 420                if (!sclk_table)
 421                        return -ENOMEM;
 422
 423                sclk_table->count = (uint32_t)tonga_table->ucNumEntries;
 424
 425                for (i = 0; i < tonga_table->ucNumEntries; i++) {
 426                        sclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 427                                                ATOM_Tonga_SCLK_Dependency_Record,
 428                                                entries, tonga_table, i);
 429                        sclk_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 430                                                phm_ppt_v1_clock_voltage_dependency_record,
 431                                                entries, sclk_table, i);
 432                        sclk_table_record->vddInd = sclk_dep_record->ucVddInd;
 433                        sclk_table_record->vdd_offset = le16_to_cpu(sclk_dep_record->usVddcOffset);
 434                        sclk_table_record->clk = le32_to_cpu(sclk_dep_record->ulSclk);
 435                        sclk_table_record->cks_enable =
 436                                (((sclk_dep_record->ucCKSVOffsetandDisable & 0x80) >> 7) == 0) ? 1 : 0;
 437                        sclk_table_record->cks_voffset = (sclk_dep_record->ucCKSVOffsetandDisable & 0x7F);
 438                }
 439        } else {
 440                const ATOM_Polaris_SCLK_Dependency_Table *polaris_table =
 441                            (ATOM_Polaris_SCLK_Dependency_Table *)sclk_dep_table;
 442                ATOM_Polaris_SCLK_Dependency_Record *sclk_dep_record;
 443
 444                PP_ASSERT_WITH_CODE((0 != polaris_table->ucNumEntries),
 445                        "Invalid PowerPlay Table!", return -1);
 446
 447                sclk_table = kzalloc(struct_size(sclk_table, entries, polaris_table->ucNumEntries),
 448                                     GFP_KERNEL);
 449                if (!sclk_table)
 450                        return -ENOMEM;
 451
 452                sclk_table->count = (uint32_t)polaris_table->ucNumEntries;
 453
 454                for (i = 0; i < polaris_table->ucNumEntries; i++) {
 455                        sclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 456                                                ATOM_Polaris_SCLK_Dependency_Record,
 457                                                entries, polaris_table, i);
 458                        sclk_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 459                                                phm_ppt_v1_clock_voltage_dependency_record,
 460                                                entries, sclk_table, i);
 461                        sclk_table_record->vddInd = sclk_dep_record->ucVddInd;
 462                        sclk_table_record->vdd_offset = le16_to_cpu(sclk_dep_record->usVddcOffset);
 463                        sclk_table_record->clk = le32_to_cpu(sclk_dep_record->ulSclk);
 464                        sclk_table_record->cks_enable =
 465                                (((sclk_dep_record->ucCKSVOffsetandDisable & 0x80) >> 7) == 0) ? 1 : 0;
 466                        sclk_table_record->cks_voffset = (sclk_dep_record->ucCKSVOffsetandDisable & 0x7F);
 467                        sclk_table_record->sclk_offset = le32_to_cpu(sclk_dep_record->ulSclkOffset);
 468                }
 469        }
 470        *pp_tonga_sclk_dep_table = sclk_table;
 471
 472        return 0;
 473}
 474
 475static int get_pcie_table(
 476                struct pp_hwmgr *hwmgr,
 477                phm_ppt_v1_pcie_table **pp_tonga_pcie_table,
 478                PPTable_Generic_SubTable_Header const *ptable
 479                )
 480{
 481        uint32_t i, pcie_count;
 482        phm_ppt_v1_pcie_table *pcie_table;
 483        struct phm_ppt_v1_information *pp_table_information =
 484                (struct phm_ppt_v1_information *)(hwmgr->pptable);
 485        phm_ppt_v1_pcie_record *pcie_record;
 486
 487        if (ptable->ucRevId < 1) {
 488                const ATOM_Tonga_PCIE_Table *atom_pcie_table = (ATOM_Tonga_PCIE_Table *)ptable;
 489                ATOM_Tonga_PCIE_Record *atom_pcie_record;
 490
 491                PP_ASSERT_WITH_CODE((atom_pcie_table->ucNumEntries != 0),
 492                        "Invalid PowerPlay Table!", return -1);
 493
 494                pcie_table = kzalloc(struct_size(pcie_table, entries,
 495                                                 atom_pcie_table->ucNumEntries),
 496                                     GFP_KERNEL);
 497                if (!pcie_table)
 498                        return -ENOMEM;
 499
 500                /*
 501                * Make sure the number of pcie entries are less than or equal to sclk dpm levels.
 502                * Since first PCIE entry is for ULV, #pcie has to be <= SclkLevel + 1.
 503                */
 504                pcie_count = (pp_table_information->vdd_dep_on_sclk->count) + 1;
 505                if ((uint32_t)atom_pcie_table->ucNumEntries <= pcie_count)
 506                        pcie_count = (uint32_t)atom_pcie_table->ucNumEntries;
 507                else
 508                        pr_err("Number of Pcie Entries exceed the number of SCLK Dpm Levels! Disregarding the excess entries...\n");
 509
 510                pcie_table->count = pcie_count;
 511                for (i = 0; i < pcie_count; i++) {
 512                        pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 513                                                phm_ppt_v1_pcie_record,
 514                                                entries, pcie_table, i);
 515                        atom_pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 516                                                ATOM_Tonga_PCIE_Record,
 517                                                entries, atom_pcie_table, i);
 518                        pcie_record->gen_speed = atom_pcie_record->ucPCIEGenSpeed;
 519                        pcie_record->lane_width = le16_to_cpu(atom_pcie_record->usPCIELaneWidth);
 520                }
 521
 522                *pp_tonga_pcie_table = pcie_table;
 523        } else {
 524                /* Polaris10/Polaris11 and newer. */
 525                const ATOM_Polaris10_PCIE_Table *atom_pcie_table = (ATOM_Polaris10_PCIE_Table *)ptable;
 526                ATOM_Polaris10_PCIE_Record *atom_pcie_record;
 527
 528                PP_ASSERT_WITH_CODE((atom_pcie_table->ucNumEntries != 0),
 529                        "Invalid PowerPlay Table!", return -1);
 530
 531                pcie_table = kzalloc(struct_size(pcie_table, entries,
 532                                                 atom_pcie_table->ucNumEntries),
 533                                     GFP_KERNEL);
 534                if (!pcie_table)
 535                        return -ENOMEM;
 536
 537                /*
 538                * Make sure the number of pcie entries are less than or equal to sclk dpm levels.
 539                * Since first PCIE entry is for ULV, #pcie has to be <= SclkLevel + 1.
 540                */
 541                pcie_count = (pp_table_information->vdd_dep_on_sclk->count) + 1;
 542                if ((uint32_t)atom_pcie_table->ucNumEntries <= pcie_count)
 543                        pcie_count = (uint32_t)atom_pcie_table->ucNumEntries;
 544                else
 545                        pr_err("Number of Pcie Entries exceed the number of SCLK Dpm Levels! Disregarding the excess entries...\n");
 546
 547                pcie_table->count = pcie_count;
 548
 549                for (i = 0; i < pcie_count; i++) {
 550                        pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 551                                                phm_ppt_v1_pcie_record,
 552                                                entries, pcie_table, i);
 553                        atom_pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 554                                                ATOM_Polaris10_PCIE_Record,
 555                                                entries, atom_pcie_table, i);
 556                        pcie_record->gen_speed = atom_pcie_record->ucPCIEGenSpeed;
 557                        pcie_record->lane_width = le16_to_cpu(atom_pcie_record->usPCIELaneWidth);
 558                        pcie_record->pcie_sclk = le32_to_cpu(atom_pcie_record->ulPCIE_Sclk);
 559                }
 560
 561                *pp_tonga_pcie_table = pcie_table;
 562        }
 563
 564        return 0;
 565}
 566
 567static int get_cac_tdp_table(
 568                struct pp_hwmgr *hwmgr,
 569                struct phm_cac_tdp_table **cac_tdp_table,
 570                const PPTable_Generic_SubTable_Header * table
 571                )
 572{
 573        uint32_t table_size;
 574        struct phm_cac_tdp_table *tdp_table;
 575
 576        table_size = sizeof(uint32_t) + sizeof(struct phm_cac_tdp_table);
 577        tdp_table = kzalloc(table_size, GFP_KERNEL);
 578
 579        if (NULL == tdp_table)
 580                return -ENOMEM;
 581
 582        hwmgr->dyn_state.cac_dtp_table = kzalloc(table_size, GFP_KERNEL);
 583
 584        if (NULL == hwmgr->dyn_state.cac_dtp_table) {
 585                kfree(tdp_table);
 586                return -ENOMEM;
 587        }
 588
 589        if (table->ucRevId < 3) {
 590                const ATOM_Tonga_PowerTune_Table *tonga_table =
 591                        (ATOM_Tonga_PowerTune_Table *)table;
 592                tdp_table->usTDP = le16_to_cpu(tonga_table->usTDP);
 593                tdp_table->usConfigurableTDP =
 594                        le16_to_cpu(tonga_table->usConfigurableTDP);
 595                tdp_table->usTDC = le16_to_cpu(tonga_table->usTDC);
 596                tdp_table->usBatteryPowerLimit =
 597                        le16_to_cpu(tonga_table->usBatteryPowerLimit);
 598                tdp_table->usSmallPowerLimit =
 599                        le16_to_cpu(tonga_table->usSmallPowerLimit);
 600                tdp_table->usLowCACLeakage =
 601                        le16_to_cpu(tonga_table->usLowCACLeakage);
 602                tdp_table->usHighCACLeakage =
 603                        le16_to_cpu(tonga_table->usHighCACLeakage);
 604                tdp_table->usMaximumPowerDeliveryLimit =
 605                        le16_to_cpu(tonga_table->usMaximumPowerDeliveryLimit);
 606                tdp_table->usDefaultTargetOperatingTemp =
 607                        le16_to_cpu(tonga_table->usTjMax);
 608                tdp_table->usTargetOperatingTemp =
 609                        le16_to_cpu(tonga_table->usTjMax); /*Set the initial temp to the same as default */
 610                tdp_table->usPowerTuneDataSetID =
 611                        le16_to_cpu(tonga_table->usPowerTuneDataSetID);
 612                tdp_table->usSoftwareShutdownTemp =
 613                        le16_to_cpu(tonga_table->usSoftwareShutdownTemp);
 614                tdp_table->usClockStretchAmount =
 615                        le16_to_cpu(tonga_table->usClockStretchAmount);
 616        } else if (table->ucRevId < 4) {   /* Fiji and newer */
 617                const ATOM_Fiji_PowerTune_Table *fijitable =
 618                        (ATOM_Fiji_PowerTune_Table *)table;
 619                tdp_table->usTDP = le16_to_cpu(fijitable->usTDP);
 620                tdp_table->usConfigurableTDP = le16_to_cpu(fijitable->usConfigurableTDP);
 621                tdp_table->usTDC = le16_to_cpu(fijitable->usTDC);
 622                tdp_table->usBatteryPowerLimit = le16_to_cpu(fijitable->usBatteryPowerLimit);
 623                tdp_table->usSmallPowerLimit = le16_to_cpu(fijitable->usSmallPowerLimit);
 624                tdp_table->usLowCACLeakage = le16_to_cpu(fijitable->usLowCACLeakage);
 625                tdp_table->usHighCACLeakage = le16_to_cpu(fijitable->usHighCACLeakage);
 626                tdp_table->usMaximumPowerDeliveryLimit =
 627                        le16_to_cpu(fijitable->usMaximumPowerDeliveryLimit);
 628                tdp_table->usDefaultTargetOperatingTemp =
 629                        le16_to_cpu(fijitable->usTjMax);
 630                tdp_table->usTargetOperatingTemp =
 631                        le16_to_cpu(fijitable->usTjMax); /*Set the initial temp to the same as default */
 632                tdp_table->usPowerTuneDataSetID =
 633                        le16_to_cpu(fijitable->usPowerTuneDataSetID);
 634                tdp_table->usSoftwareShutdownTemp =
 635                        le16_to_cpu(fijitable->usSoftwareShutdownTemp);
 636                tdp_table->usClockStretchAmount =
 637                        le16_to_cpu(fijitable->usClockStretchAmount);
 638                tdp_table->usTemperatureLimitHotspot =
 639                        le16_to_cpu(fijitable->usTemperatureLimitHotspot);
 640                tdp_table->usTemperatureLimitLiquid1 =
 641                        le16_to_cpu(fijitable->usTemperatureLimitLiquid1);
 642                tdp_table->usTemperatureLimitLiquid2 =
 643                        le16_to_cpu(fijitable->usTemperatureLimitLiquid2);
 644                tdp_table->usTemperatureLimitVrVddc =
 645                        le16_to_cpu(fijitable->usTemperatureLimitVrVddc);
 646                tdp_table->usTemperatureLimitVrMvdd =
 647                        le16_to_cpu(fijitable->usTemperatureLimitVrMvdd);
 648                tdp_table->usTemperatureLimitPlx =
 649                        le16_to_cpu(fijitable->usTemperatureLimitPlx);
 650                tdp_table->ucLiquid1_I2C_address =
 651                        fijitable->ucLiquid1_I2C_address;
 652                tdp_table->ucLiquid2_I2C_address =
 653                        fijitable->ucLiquid2_I2C_address;
 654                tdp_table->ucLiquid_I2C_Line =
 655                        fijitable->ucLiquid_I2C_Line;
 656                tdp_table->ucVr_I2C_address = fijitable->ucVr_I2C_address;
 657                tdp_table->ucVr_I2C_Line = fijitable->ucVr_I2C_Line;
 658                tdp_table->ucPlx_I2C_address = fijitable->ucPlx_I2C_address;
 659                tdp_table->ucPlx_I2C_Line = fijitable->ucPlx_I2C_Line;
 660        } else {
 661                const ATOM_Polaris_PowerTune_Table *polaristable =
 662                        (ATOM_Polaris_PowerTune_Table *)table;
 663                tdp_table->usTDP = le16_to_cpu(polaristable->usTDP);
 664                tdp_table->usConfigurableTDP = le16_to_cpu(polaristable->usConfigurableTDP);
 665                tdp_table->usTDC = le16_to_cpu(polaristable->usTDC);
 666                tdp_table->usBatteryPowerLimit = le16_to_cpu(polaristable->usBatteryPowerLimit);
 667                tdp_table->usSmallPowerLimit = le16_to_cpu(polaristable->usSmallPowerLimit);
 668                tdp_table->usLowCACLeakage = le16_to_cpu(polaristable->usLowCACLeakage);
 669                tdp_table->usHighCACLeakage = le16_to_cpu(polaristable->usHighCACLeakage);
 670                tdp_table->usMaximumPowerDeliveryLimit =
 671                        le16_to_cpu(polaristable->usMaximumPowerDeliveryLimit);
 672                tdp_table->usDefaultTargetOperatingTemp =
 673                        le16_to_cpu(polaristable->usTjMax);
 674                tdp_table->usTargetOperatingTemp =
 675                        le16_to_cpu(polaristable->usTjMax); /*Set the initial temp to the same as default */
 676                tdp_table->usPowerTuneDataSetID =
 677                        le16_to_cpu(polaristable->usPowerTuneDataSetID);
 678                tdp_table->usSoftwareShutdownTemp =
 679                        le16_to_cpu(polaristable->usSoftwareShutdownTemp);
 680                tdp_table->usClockStretchAmount =
 681                        le16_to_cpu(polaristable->usClockStretchAmount);
 682                tdp_table->usTemperatureLimitHotspot =
 683                        le16_to_cpu(polaristable->usTemperatureLimitHotspot);
 684                tdp_table->usTemperatureLimitLiquid1 =
 685                        le16_to_cpu(polaristable->usTemperatureLimitLiquid1);
 686                tdp_table->usTemperatureLimitLiquid2 =
 687                        le16_to_cpu(polaristable->usTemperatureLimitLiquid2);
 688                tdp_table->usTemperatureLimitVrVddc =
 689                        le16_to_cpu(polaristable->usTemperatureLimitVrVddc);
 690                tdp_table->usTemperatureLimitVrMvdd =
 691                        le16_to_cpu(polaristable->usTemperatureLimitVrMvdd);
 692                tdp_table->usTemperatureLimitPlx =
 693                        le16_to_cpu(polaristable->usTemperatureLimitPlx);
 694                tdp_table->ucLiquid1_I2C_address =
 695                        polaristable->ucLiquid1_I2C_address;
 696                tdp_table->ucLiquid2_I2C_address =
 697                        polaristable->ucLiquid2_I2C_address;
 698                tdp_table->ucLiquid_I2C_Line =
 699                        polaristable->ucLiquid_I2C_Line;
 700                tdp_table->ucVr_I2C_address = polaristable->ucVr_I2C_address;
 701                tdp_table->ucVr_I2C_Line = polaristable->ucVr_I2C_Line;
 702                tdp_table->ucPlx_I2C_address = polaristable->ucPlx_I2C_address;
 703                tdp_table->ucPlx_I2C_Line = polaristable->ucPlx_I2C_Line;
 704                tdp_table->usBoostPowerLimit = polaristable->usBoostPowerLimit;
 705                tdp_table->ucCKS_LDO_REFSEL = polaristable->ucCKS_LDO_REFSEL;
 706                tdp_table->ucHotSpotOnly = polaristable->ucHotSpotOnly;
 707        }
 708
 709        *cac_tdp_table = tdp_table;
 710
 711        return 0;
 712}
 713
 714static int get_mm_clock_voltage_table(
 715                struct pp_hwmgr *hwmgr,
 716                phm_ppt_v1_mm_clock_voltage_dependency_table **tonga_mm_table,
 717                const ATOM_Tonga_MM_Dependency_Table * mm_dependency_table
 718                )
 719{
 720        uint32_t i;
 721        const ATOM_Tonga_MM_Dependency_Record *mm_dependency_record;
 722        phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table;
 723        phm_ppt_v1_mm_clock_voltage_dependency_record *mm_table_record;
 724
 725        PP_ASSERT_WITH_CODE((0 != mm_dependency_table->ucNumEntries),
 726                "Invalid PowerPlay Table!", return -1);
 727        mm_table = kzalloc(struct_size(mm_table, entries, mm_dependency_table->ucNumEntries),
 728                           GFP_KERNEL);
 729        if (!mm_table)
 730                return -ENOMEM;
 731
 732        mm_table->count = mm_dependency_table->ucNumEntries;
 733
 734        for (i = 0; i < mm_dependency_table->ucNumEntries; i++) {
 735                mm_dependency_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 736                                                ATOM_Tonga_MM_Dependency_Record,
 737                                                entries, mm_dependency_table, i);
 738                mm_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 739                                        phm_ppt_v1_mm_clock_voltage_dependency_record,
 740                                        entries, mm_table, i);
 741                mm_table_record->vddcInd = mm_dependency_record->ucVddcInd;
 742                mm_table_record->vddgfx_offset = le16_to_cpu(mm_dependency_record->usVddgfxOffset);
 743                mm_table_record->aclk = le32_to_cpu(mm_dependency_record->ulAClk);
 744                mm_table_record->samclock = le32_to_cpu(mm_dependency_record->ulSAMUClk);
 745                mm_table_record->eclk = le32_to_cpu(mm_dependency_record->ulEClk);
 746                mm_table_record->vclk = le32_to_cpu(mm_dependency_record->ulVClk);
 747                mm_table_record->dclk = le32_to_cpu(mm_dependency_record->ulDClk);
 748        }
 749
 750        *tonga_mm_table = mm_table;
 751
 752        return 0;
 753}
 754
 755static int get_gpio_table(struct pp_hwmgr *hwmgr,
 756                struct phm_ppt_v1_gpio_table **pp_tonga_gpio_table,
 757                const ATOM_Tonga_GPIO_Table *atom_gpio_table)
 758{
 759        uint32_t table_size;
 760        struct phm_ppt_v1_gpio_table *pp_gpio_table;
 761        struct phm_ppt_v1_information *pp_table_information =
 762                        (struct phm_ppt_v1_information *)(hwmgr->pptable);
 763
 764        table_size = sizeof(struct phm_ppt_v1_gpio_table);
 765        pp_gpio_table = kzalloc(table_size, GFP_KERNEL);
 766        if (!pp_gpio_table)
 767                return -ENOMEM;
 768
 769        if (pp_table_information->vdd_dep_on_sclk->count <
 770                        atom_gpio_table->ucVRHotTriggeredSclkDpmIndex)
 771                PP_ASSERT_WITH_CODE(false,
 772                                "SCLK DPM index for VRHot cannot exceed the total sclk level count!",);
 773        else
 774                pp_gpio_table->vrhot_triggered_sclk_dpm_index =
 775                                atom_gpio_table->ucVRHotTriggeredSclkDpmIndex;
 776
 777        *pp_tonga_gpio_table = pp_gpio_table;
 778
 779        return 0;
 780}
 781/**
 782 * init_clock_voltage_dependency - Private Function used during initialization.
 783 * Initialize clock voltage dependency
 784 * @hwmgr: Pointer to the hardware manager.
 785 * @powerplay_table: Pointer to the PowerPlay Table.
 786 */
 787static int init_clock_voltage_dependency(
 788                struct pp_hwmgr *hwmgr,
 789                const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
 790                )
 791{
 792        int result = 0;
 793        struct phm_ppt_v1_information *pp_table_information =
 794                (struct phm_ppt_v1_information *)(hwmgr->pptable);
 795
 796        const ATOM_Tonga_MM_Dependency_Table *mm_dependency_table =
 797                (const ATOM_Tonga_MM_Dependency_Table *)(((unsigned long) powerplay_table) +
 798                le16_to_cpu(powerplay_table->usMMDependencyTableOffset));
 799        const PPTable_Generic_SubTable_Header *pPowerTuneTable =
 800                (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
 801                le16_to_cpu(powerplay_table->usPowerTuneTableOffset));
 802        const ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table =
 803                (const ATOM_Tonga_MCLK_Dependency_Table *)(((unsigned long) powerplay_table) +
 804                le16_to_cpu(powerplay_table->usMclkDependencyTableOffset));
 805        const PPTable_Generic_SubTable_Header *sclk_dep_table =
 806                (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
 807                le16_to_cpu(powerplay_table->usSclkDependencyTableOffset));
 808        const ATOM_Tonga_Hard_Limit_Table *pHardLimits =
 809                (const ATOM_Tonga_Hard_Limit_Table *)(((unsigned long) powerplay_table) +
 810                le16_to_cpu(powerplay_table->usHardLimitTableOffset));
 811        const PPTable_Generic_SubTable_Header *pcie_table =
 812                (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
 813                le16_to_cpu(powerplay_table->usPCIETableOffset));
 814        const ATOM_Tonga_GPIO_Table *gpio_table =
 815                (const ATOM_Tonga_GPIO_Table *)(((unsigned long) powerplay_table) +
 816                le16_to_cpu(powerplay_table->usGPIOTableOffset));
 817
 818        pp_table_information->vdd_dep_on_sclk = NULL;
 819        pp_table_information->vdd_dep_on_mclk = NULL;
 820        pp_table_information->mm_dep_table = NULL;
 821        pp_table_information->pcie_table = NULL;
 822        pp_table_information->gpio_table = NULL;
 823
 824        if (powerplay_table->usMMDependencyTableOffset != 0)
 825                result = get_mm_clock_voltage_table(hwmgr,
 826                &pp_table_information->mm_dep_table, mm_dependency_table);
 827
 828        if (result == 0 && powerplay_table->usPowerTuneTableOffset != 0)
 829                result = get_cac_tdp_table(hwmgr,
 830                &pp_table_information->cac_dtp_table, pPowerTuneTable);
 831
 832        if (result == 0 && powerplay_table->usSclkDependencyTableOffset != 0)
 833                result = get_sclk_voltage_dependency_table(hwmgr,
 834                &pp_table_information->vdd_dep_on_sclk, sclk_dep_table);
 835
 836        if (result == 0 && powerplay_table->usMclkDependencyTableOffset != 0)
 837                result = get_mclk_voltage_dependency_table(hwmgr,
 838                &pp_table_information->vdd_dep_on_mclk, mclk_dep_table);
 839
 840        if (result == 0 && powerplay_table->usPCIETableOffset != 0)
 841                result = get_pcie_table(hwmgr,
 842                &pp_table_information->pcie_table, pcie_table);
 843
 844        if (result == 0 && powerplay_table->usHardLimitTableOffset != 0)
 845                result = get_hard_limits(hwmgr,
 846                &pp_table_information->max_clock_voltage_on_dc, pHardLimits);
 847
 848        hwmgr->dyn_state.max_clock_voltage_on_dc.sclk =
 849                pp_table_information->max_clock_voltage_on_dc.sclk;
 850        hwmgr->dyn_state.max_clock_voltage_on_dc.mclk =
 851                pp_table_information->max_clock_voltage_on_dc.mclk;
 852        hwmgr->dyn_state.max_clock_voltage_on_dc.vddc =
 853                pp_table_information->max_clock_voltage_on_dc.vddc;
 854        hwmgr->dyn_state.max_clock_voltage_on_dc.vddci =
 855                pp_table_information->max_clock_voltage_on_dc.vddci;
 856
 857        if (result == 0 && (NULL != pp_table_information->vdd_dep_on_mclk)
 858                && (0 != pp_table_information->vdd_dep_on_mclk->count))
 859                result = get_valid_clk(hwmgr, &pp_table_information->valid_mclk_values,
 860                pp_table_information->vdd_dep_on_mclk);
 861
 862        if (result == 0 && (NULL != pp_table_information->vdd_dep_on_sclk)
 863                && (0 != pp_table_information->vdd_dep_on_sclk->count))
 864                result = get_valid_clk(hwmgr, &pp_table_information->valid_sclk_values,
 865                pp_table_information->vdd_dep_on_sclk);
 866
 867        if (!result && gpio_table)
 868                result = get_gpio_table(hwmgr, &pp_table_information->gpio_table,
 869                                gpio_table);
 870
 871        return result;
 872}
 873
 874/**
 875 * init_over_drive_limits - Retrieves the (signed) Overdrive limits from VBIOS.
 876 * The max engine clock, memory clock and max temperature come from the firmware info table.
 877 *
 878 * The information is placed into the platform descriptor.
 879 *
 880 * @hwmgr: source of the VBIOS table and owner of the platform descriptor to be updated.
 881 * @powerplay_table: the address of the PowerPlay table.
 882 *
 883 * Return: 1 as long as the firmware info table was present and of a supported version.
 884 */
 885static int init_over_drive_limits(
 886                struct pp_hwmgr *hwmgr,
 887                const ATOM_Tonga_POWERPLAYTABLE *powerplay_table)
 888{
 889        hwmgr->platform_descriptor.overdriveLimit.engineClock =
 890                le32_to_cpu(powerplay_table->ulMaxODEngineClock);
 891        hwmgr->platform_descriptor.overdriveLimit.memoryClock =
 892                le32_to_cpu(powerplay_table->ulMaxODMemoryClock);
 893
 894        hwmgr->platform_descriptor.minOverdriveVDDC = 0;
 895        hwmgr->platform_descriptor.maxOverdriveVDDC = 0;
 896        hwmgr->platform_descriptor.overdriveVDDCStep = 0;
 897
 898        return 0;
 899}
 900
 901/**
 902 * init_thermal_controller - Private Function used during initialization.
 903 * Inspect the PowerPlay table for obvious signs of corruption.
 904 * @hwmgr: Pointer to the hardware manager.
 905 * @powerplay_table: Pointer to the PowerPlay Table.
 906 * Exception:  This implementation always returns 1.
 907 */
 908static int init_thermal_controller(
 909                struct pp_hwmgr *hwmgr,
 910                const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
 911                )
 912{
 913        const PPTable_Generic_SubTable_Header *fan_table;
 914        ATOM_Tonga_Thermal_Controller *thermal_controller;
 915
 916        thermal_controller = (ATOM_Tonga_Thermal_Controller *)
 917                (((unsigned long)powerplay_table) +
 918                le16_to_cpu(powerplay_table->usThermalControllerOffset));
 919        PP_ASSERT_WITH_CODE((0 != powerplay_table->usThermalControllerOffset),
 920                "Thermal controller table not set!", return -1);
 921
 922        hwmgr->thermal_controller.ucType = thermal_controller->ucType;
 923        hwmgr->thermal_controller.ucI2cLine = thermal_controller->ucI2cLine;
 924        hwmgr->thermal_controller.ucI2cAddress = thermal_controller->ucI2cAddress;
 925
 926        hwmgr->thermal_controller.fanInfo.bNoFan =
 927                (0 != (thermal_controller->ucFanParameters & ATOM_TONGA_PP_FANPARAMETERS_NOFAN));
 928
 929        hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution =
 930                thermal_controller->ucFanParameters &
 931                ATOM_TONGA_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK;
 932
 933        hwmgr->thermal_controller.fanInfo.ulMinRPM
 934                = thermal_controller->ucFanMinRPM * 100UL;
 935        hwmgr->thermal_controller.fanInfo.ulMaxRPM
 936                = thermal_controller->ucFanMaxRPM * 100UL;
 937
 938        set_hw_cap(
 939                        hwmgr,
 940                        ATOM_TONGA_PP_THERMALCONTROLLER_NONE != hwmgr->thermal_controller.ucType,
 941                        PHM_PlatformCaps_ThermalController
 942                  );
 943
 944        if (0 == powerplay_table->usFanTableOffset) {
 945                hwmgr->thermal_controller.use_hw_fan_control = 1;
 946                return 0;
 947        }
 948
 949        fan_table = (const PPTable_Generic_SubTable_Header *)
 950                (((unsigned long)powerplay_table) +
 951                le16_to_cpu(powerplay_table->usFanTableOffset));
 952
 953        PP_ASSERT_WITH_CODE((0 != powerplay_table->usFanTableOffset),
 954                "Fan table not set!", return -1);
 955        PP_ASSERT_WITH_CODE((0 < fan_table->ucRevId),
 956                "Unsupported fan table format!", return -1);
 957
 958        hwmgr->thermal_controller.advanceFanControlParameters.ulCycleDelay
 959                = 100000;
 960        phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 961                PHM_PlatformCaps_MicrocodeFanControl);
 962
 963        if (fan_table->ucRevId < 8) {
 964                const ATOM_Tonga_Fan_Table *tonga_fan_table =
 965                        (ATOM_Tonga_Fan_Table *)fan_table;
 966                hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst
 967                        = tonga_fan_table->ucTHyst;
 968                hwmgr->thermal_controller.advanceFanControlParameters.usTMin
 969                        = le16_to_cpu(tonga_fan_table->usTMin);
 970                hwmgr->thermal_controller.advanceFanControlParameters.usTMed
 971                        = le16_to_cpu(tonga_fan_table->usTMed);
 972                hwmgr->thermal_controller.advanceFanControlParameters.usTHigh
 973                        = le16_to_cpu(tonga_fan_table->usTHigh);
 974                hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin
 975                        = le16_to_cpu(tonga_fan_table->usPWMMin);
 976                hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed
 977                        = le16_to_cpu(tonga_fan_table->usPWMMed);
 978                hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh
 979                        = le16_to_cpu(tonga_fan_table->usPWMHigh);
 980                hwmgr->thermal_controller.advanceFanControlParameters.usTMax
 981                        = 10900;                  /* hard coded */
 982                hwmgr->thermal_controller.advanceFanControlParameters.usTMax
 983                        = le16_to_cpu(tonga_fan_table->usTMax);
 984                hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode
 985                        = tonga_fan_table->ucFanControlMode;
 986                hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM
 987                        = le16_to_cpu(tonga_fan_table->usFanPWMMax);
 988                hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity
 989                        = 4836;
 990                hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity
 991                        = le16_to_cpu(tonga_fan_table->usFanOutputSensitivity);
 992                hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM
 993                        = le16_to_cpu(tonga_fan_table->usFanRPMMax);
 994                hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit
 995                        = (le32_to_cpu(tonga_fan_table->ulMinFanSCLKAcousticLimit) / 100); /* PPTable stores it in 10Khz unit for 2 decimal places.  SMC wants MHz. */
 996                hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature
 997                        = tonga_fan_table->ucTargetTemperature;
 998                hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit
 999                        = tonga_fan_table->ucMinimumPWMLimit;
1000        } else if (fan_table->ucRevId == 8) {
1001                const ATOM_Fiji_Fan_Table *fiji_fan_table =
1002                        (ATOM_Fiji_Fan_Table *)fan_table;
1003                hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst
1004                        = fiji_fan_table->ucTHyst;
1005                hwmgr->thermal_controller.advanceFanControlParameters.usTMin
1006                        = le16_to_cpu(fiji_fan_table->usTMin);
1007                hwmgr->thermal_controller.advanceFanControlParameters.usTMed
1008                        = le16_to_cpu(fiji_fan_table->usTMed);
1009                hwmgr->thermal_controller.advanceFanControlParameters.usTHigh
1010                        = le16_to_cpu(fiji_fan_table->usTHigh);
1011                hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin
1012                        = le16_to_cpu(fiji_fan_table->usPWMMin);
1013                hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed
1014                        = le16_to_cpu(fiji_fan_table->usPWMMed);
1015                hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh
1016                        = le16_to_cpu(fiji_fan_table->usPWMHigh);
1017                hwmgr->thermal_controller.advanceFanControlParameters.usTMax
1018                        = le16_to_cpu(fiji_fan_table->usTMax);
1019                hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode
1020                        = fiji_fan_table->ucFanControlMode;
1021                hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM
1022                        = le16_to_cpu(fiji_fan_table->usFanPWMMax);
1023                hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity
1024                        = 4836;
1025                hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity
1026                        = le16_to_cpu(fiji_fan_table->usFanOutputSensitivity);
1027                hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM
1028                        = le16_to_cpu(fiji_fan_table->usFanRPMMax);
1029                hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit
1030                        = (le32_to_cpu(fiji_fan_table->ulMinFanSCLKAcousticLimit) / 100); /* PPTable stores it in 10Khz unit for 2 decimal places.  SMC wants MHz. */
1031                hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature
1032                        = fiji_fan_table->ucTargetTemperature;
1033                hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit
1034                        = fiji_fan_table->ucMinimumPWMLimit;
1035
1036                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainEdge
1037                        = le16_to_cpu(fiji_fan_table->usFanGainEdge);
1038                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHotspot
1039                        = le16_to_cpu(fiji_fan_table->usFanGainHotspot);
1040                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainLiquid
1041                        = le16_to_cpu(fiji_fan_table->usFanGainLiquid);
1042                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrVddc
1043                        = le16_to_cpu(fiji_fan_table->usFanGainVrVddc);
1044                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrMvdd
1045                        = le16_to_cpu(fiji_fan_table->usFanGainVrMvdd);
1046                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainPlx
1047                        = le16_to_cpu(fiji_fan_table->usFanGainPlx);
1048                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHbm
1049                        = le16_to_cpu(fiji_fan_table->usFanGainHbm);
1050        } else if (fan_table->ucRevId >= 9) {
1051                const ATOM_Polaris_Fan_Table *polaris_fan_table =
1052                        (ATOM_Polaris_Fan_Table *)fan_table;
1053                hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst
1054                        = polaris_fan_table->ucTHyst;
1055                hwmgr->thermal_controller.advanceFanControlParameters.usTMin
1056                        = le16_to_cpu(polaris_fan_table->usTMin);
1057                hwmgr->thermal_controller.advanceFanControlParameters.usTMed
1058                        = le16_to_cpu(polaris_fan_table->usTMed);
1059                hwmgr->thermal_controller.advanceFanControlParameters.usTHigh
1060                        = le16_to_cpu(polaris_fan_table->usTHigh);
1061                hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin
1062                        = le16_to_cpu(polaris_fan_table->usPWMMin);
1063                hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed
1064                        = le16_to_cpu(polaris_fan_table->usPWMMed);
1065                hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh
1066                        = le16_to_cpu(polaris_fan_table->usPWMHigh);
1067                hwmgr->thermal_controller.advanceFanControlParameters.usTMax
1068                        = le16_to_cpu(polaris_fan_table->usTMax);
1069                hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode
1070                        = polaris_fan_table->ucFanControlMode;
1071                hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM
1072                        = le16_to_cpu(polaris_fan_table->usFanPWMMax);
1073                hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity
1074                        = 4836;
1075                hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity
1076                        = le16_to_cpu(polaris_fan_table->usFanOutputSensitivity);
1077                hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM
1078                        = le16_to_cpu(polaris_fan_table->usFanRPMMax);
1079                hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit
1080                        = (le32_to_cpu(polaris_fan_table->ulMinFanSCLKAcousticLimit) / 100); /* PPTable stores it in 10Khz unit for 2 decimal places.  SMC wants MHz. */
1081                hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature
1082                        = polaris_fan_table->ucTargetTemperature;
1083                hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit
1084                        = polaris_fan_table->ucMinimumPWMLimit;
1085
1086                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainEdge
1087                        = le16_to_cpu(polaris_fan_table->usFanGainEdge);
1088                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHotspot
1089                        = le16_to_cpu(polaris_fan_table->usFanGainHotspot);
1090                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainLiquid
1091                        = le16_to_cpu(polaris_fan_table->usFanGainLiquid);
1092                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrVddc
1093                        = le16_to_cpu(polaris_fan_table->usFanGainVrVddc);
1094                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrMvdd
1095                        = le16_to_cpu(polaris_fan_table->usFanGainVrMvdd);
1096                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainPlx
1097                        = le16_to_cpu(polaris_fan_table->usFanGainPlx);
1098                hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHbm
1099                        = le16_to_cpu(polaris_fan_table->usFanGainHbm);
1100                hwmgr->thermal_controller.advanceFanControlParameters.ucEnableZeroRPM
1101                        = le16_to_cpu(polaris_fan_table->ucEnableZeroRPM);
1102                hwmgr->thermal_controller.advanceFanControlParameters.ucFanStopTemperature
1103                        = le16_to_cpu(polaris_fan_table->ucFanStopTemperature);
1104                hwmgr->thermal_controller.advanceFanControlParameters.ucFanStartTemperature
1105                        = le16_to_cpu(polaris_fan_table->ucFanStartTemperature);
1106        }
1107
1108        return 0;
1109}
1110
1111/**
1112 * check_powerplay_tables - Private Function used during initialization.
1113 * Inspect the PowerPlay table for obvious signs of corruption.
1114 * @hwmgr: Pointer to the hardware manager.
1115 * @powerplay_table: Pointer to the PowerPlay Table.
1116 * Exception:  2 if the powerplay table is incorrect.
1117 */
1118static int check_powerplay_tables(
1119                struct pp_hwmgr *hwmgr,
1120                const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
1121                )
1122{
1123        const ATOM_Tonga_State_Array *state_arrays;
1124
1125        state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)powerplay_table) +
1126                le16_to_cpu(powerplay_table->usStateArrayOffset));
1127
1128        PP_ASSERT_WITH_CODE((ATOM_Tonga_TABLE_REVISION_TONGA <=
1129                powerplay_table->sHeader.ucTableFormatRevision),
1130                "Unsupported PPTable format!", return -1);
1131        PP_ASSERT_WITH_CODE((0 != powerplay_table->usStateArrayOffset),
1132                "State table is not set!", return -1);
1133        PP_ASSERT_WITH_CODE((0 < powerplay_table->sHeader.usStructureSize),
1134                "Invalid PowerPlay Table!", return -1);
1135        PP_ASSERT_WITH_CODE((0 < state_arrays->ucNumEntries),
1136                "Invalid PowerPlay Table!", return -1);
1137
1138        return 0;
1139}
1140
1141static int pp_tables_v1_0_initialize(struct pp_hwmgr *hwmgr)
1142{
1143        int result = 0;
1144        const ATOM_Tonga_POWERPLAYTABLE *powerplay_table;
1145
1146        hwmgr->pptable = kzalloc(sizeof(struct phm_ppt_v1_information), GFP_KERNEL);
1147
1148        PP_ASSERT_WITH_CODE((NULL != hwmgr->pptable),
1149                            "Failed to allocate hwmgr->pptable!", return -ENOMEM);
1150
1151        powerplay_table = get_powerplay_table(hwmgr);
1152
1153        PP_ASSERT_WITH_CODE((NULL != powerplay_table),
1154                "Missing PowerPlay Table!", return -1);
1155
1156        result = check_powerplay_tables(hwmgr, powerplay_table);
1157
1158        PP_ASSERT_WITH_CODE((result == 0),
1159                            "check_powerplay_tables failed", return result);
1160
1161        result = set_platform_caps(hwmgr,
1162                                   le32_to_cpu(powerplay_table->ulPlatformCaps));
1163
1164        PP_ASSERT_WITH_CODE((result == 0),
1165                            "set_platform_caps failed", return result);
1166
1167        result = init_thermal_controller(hwmgr, powerplay_table);
1168
1169        PP_ASSERT_WITH_CODE((result == 0),
1170                            "init_thermal_controller failed", return result);
1171
1172        result = init_over_drive_limits(hwmgr, powerplay_table);
1173
1174        PP_ASSERT_WITH_CODE((result == 0),
1175                            "init_over_drive_limits failed", return result);
1176
1177        result = init_clock_voltage_dependency(hwmgr, powerplay_table);
1178
1179        PP_ASSERT_WITH_CODE((result == 0),
1180                            "init_clock_voltage_dependency failed", return result);
1181
1182        result = init_dpm_2_parameters(hwmgr, powerplay_table);
1183
1184        PP_ASSERT_WITH_CODE((result == 0),
1185                            "init_dpm_2_parameters failed", return result);
1186
1187        return result;
1188}
1189
1190static int pp_tables_v1_0_uninitialize(struct pp_hwmgr *hwmgr)
1191{
1192        struct phm_ppt_v1_information *pp_table_information =
1193                (struct phm_ppt_v1_information *)(hwmgr->pptable);
1194
1195        kfree(pp_table_information->vdd_dep_on_sclk);
1196        pp_table_information->vdd_dep_on_sclk = NULL;
1197
1198        kfree(pp_table_information->vdd_dep_on_mclk);
1199        pp_table_information->vdd_dep_on_mclk = NULL;
1200
1201        kfree(pp_table_information->valid_mclk_values);
1202        pp_table_information->valid_mclk_values = NULL;
1203
1204        kfree(pp_table_information->valid_sclk_values);
1205        pp_table_information->valid_sclk_values = NULL;
1206
1207        kfree(pp_table_information->vddc_lookup_table);
1208        pp_table_information->vddc_lookup_table = NULL;
1209
1210        kfree(pp_table_information->vddgfx_lookup_table);
1211        pp_table_information->vddgfx_lookup_table = NULL;
1212
1213        kfree(pp_table_information->mm_dep_table);
1214        pp_table_information->mm_dep_table = NULL;
1215
1216        kfree(pp_table_information->cac_dtp_table);
1217        pp_table_information->cac_dtp_table = NULL;
1218
1219        kfree(hwmgr->dyn_state.cac_dtp_table);
1220        hwmgr->dyn_state.cac_dtp_table = NULL;
1221
1222        kfree(pp_table_information->ppm_parameter_table);
1223        pp_table_information->ppm_parameter_table = NULL;
1224
1225        kfree(pp_table_information->pcie_table);
1226        pp_table_information->pcie_table = NULL;
1227
1228        kfree(pp_table_information->gpio_table);
1229        pp_table_information->gpio_table = NULL;
1230
1231        kfree(hwmgr->pptable);
1232        hwmgr->pptable = NULL;
1233
1234        return 0;
1235}
1236
1237const struct pp_table_func pptable_v1_0_funcs = {
1238        .pptable_init = pp_tables_v1_0_initialize,
1239        .pptable_fini = pp_tables_v1_0_uninitialize,
1240};
1241
1242int get_number_of_powerplay_table_entries_v1_0(struct pp_hwmgr *hwmgr)
1243{
1244        ATOM_Tonga_State_Array const *state_arrays;
1245        const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
1246
1247        PP_ASSERT_WITH_CODE((NULL != pp_table),
1248                        "Missing PowerPlay Table!", return -1);
1249        PP_ASSERT_WITH_CODE((pp_table->sHeader.ucTableFormatRevision >=
1250                        ATOM_Tonga_TABLE_REVISION_TONGA),
1251                        "Incorrect PowerPlay table revision!", return -1);
1252
1253        state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)pp_table) +
1254                        le16_to_cpu(pp_table->usStateArrayOffset));
1255
1256        return (uint32_t)(state_arrays->ucNumEntries);
1257}
1258
1259/*
1260 * Private function to convert flags stored in the BIOS to software flags in PowerPlay.
1261 */
1262static uint32_t make_classification_flags(struct pp_hwmgr *hwmgr,
1263                uint16_t classification, uint16_t classification2)
1264{
1265        uint32_t result = 0;
1266
1267        if (classification & ATOM_PPLIB_CLASSIFICATION_BOOT)
1268                result |= PP_StateClassificationFlag_Boot;
1269
1270        if (classification & ATOM_PPLIB_CLASSIFICATION_THERMAL)
1271                result |= PP_StateClassificationFlag_Thermal;
1272
1273        if (classification & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE)
1274                result |= PP_StateClassificationFlag_LimitedPowerSource;
1275
1276        if (classification & ATOM_PPLIB_CLASSIFICATION_REST)
1277                result |= PP_StateClassificationFlag_Rest;
1278
1279        if (classification & ATOM_PPLIB_CLASSIFICATION_FORCED)
1280                result |= PP_StateClassificationFlag_Forced;
1281
1282        if (classification & ATOM_PPLIB_CLASSIFICATION_ACPI)
1283                result |= PP_StateClassificationFlag_ACPI;
1284
1285        if (classification2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2)
1286                result |= PP_StateClassificationFlag_LimitedPowerSource_2;
1287
1288        return result;
1289}
1290
1291static int ppt_get_num_of_vce_state_table_entries_v1_0(struct pp_hwmgr *hwmgr)
1292{
1293        const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
1294        const ATOM_Tonga_VCE_State_Table *vce_state_table;
1295
1296
1297        if (pp_table == NULL)
1298                return 0;
1299
1300        vce_state_table = (void *)pp_table +
1301                        le16_to_cpu(pp_table->usVCEStateTableOffset);
1302
1303        return vce_state_table->ucNumEntries;
1304}
1305
1306static int ppt_get_vce_state_table_entry_v1_0(struct pp_hwmgr *hwmgr, uint32_t i,
1307                struct amd_vce_state *vce_state, void **clock_info, uint32_t *flag)
1308{
1309        const ATOM_Tonga_VCE_State_Record *vce_state_record;
1310        ATOM_Tonga_SCLK_Dependency_Record *sclk_dep_record;
1311        ATOM_Tonga_MCLK_Dependency_Record *mclk_dep_record;
1312        ATOM_Tonga_MM_Dependency_Record *mm_dep_record;
1313        const ATOM_Tonga_POWERPLAYTABLE *pptable = get_powerplay_table(hwmgr);
1314        const ATOM_Tonga_VCE_State_Table *vce_state_table = (ATOM_Tonga_VCE_State_Table *)(((unsigned long)pptable)
1315                                                          + le16_to_cpu(pptable->usVCEStateTableOffset));
1316        const ATOM_Tonga_SCLK_Dependency_Table *sclk_dep_table = (ATOM_Tonga_SCLK_Dependency_Table *)(((unsigned long)pptable)
1317                                                          + le16_to_cpu(pptable->usSclkDependencyTableOffset));
1318        const ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table = (ATOM_Tonga_MCLK_Dependency_Table *)(((unsigned long)pptable)
1319                                                          + le16_to_cpu(pptable->usMclkDependencyTableOffset));
1320        const ATOM_Tonga_MM_Dependency_Table *mm_dep_table = (ATOM_Tonga_MM_Dependency_Table *)(((unsigned long)pptable)
1321                                                          + le16_to_cpu(pptable->usMMDependencyTableOffset));
1322
1323        PP_ASSERT_WITH_CODE((i < vce_state_table->ucNumEntries),
1324                         "Requested state entry ID is out of range!",
1325                         return -EINVAL);
1326
1327        vce_state_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1328                                        ATOM_Tonga_VCE_State_Record,
1329                                        entries, vce_state_table, i);
1330        sclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1331                                        ATOM_Tonga_SCLK_Dependency_Record,
1332                                        entries, sclk_dep_table,
1333                                        vce_state_record->ucSCLKIndex);
1334        mm_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1335                                        ATOM_Tonga_MM_Dependency_Record,
1336                                        entries, mm_dep_table,
1337                                        vce_state_record->ucVCEClockIndex);
1338        *flag = vce_state_record->ucFlag;
1339
1340        vce_state->evclk = le32_to_cpu(mm_dep_record->ulEClk);
1341        vce_state->ecclk = le32_to_cpu(mm_dep_record->ulEClk);
1342        vce_state->sclk = le32_to_cpu(sclk_dep_record->ulSclk);
1343
1344        if (vce_state_record->ucMCLKIndex >= mclk_dep_table->ucNumEntries)
1345                mclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1346                                        ATOM_Tonga_MCLK_Dependency_Record,
1347                                        entries, mclk_dep_table,
1348                                        mclk_dep_table->ucNumEntries - 1);
1349        else
1350                mclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1351                                        ATOM_Tonga_MCLK_Dependency_Record,
1352                                        entries, mclk_dep_table,
1353                                        vce_state_record->ucMCLKIndex);
1354
1355        vce_state->mclk = le32_to_cpu(mclk_dep_record->ulMclk);
1356        return 0;
1357}
1358
1359/**
1360 * get_powerplay_table_entry_v1_0 - Create a Power State out of an entry in the PowerPlay table.
1361 * This function is called by the hardware back-end.
1362 * @hwmgr: Pointer to the hardware manager.
1363 * @entry_index: The index of the entry to be extracted from the table.
1364 * @power_state: The address of the PowerState instance being created.
1365 * @call_back_func: The function to call into to fill power state
1366 * Return: -1 if the entry cannot be retrieved.
1367 */
1368int get_powerplay_table_entry_v1_0(struct pp_hwmgr *hwmgr,
1369                uint32_t entry_index, struct pp_power_state *power_state,
1370                int (*call_back_func)(struct pp_hwmgr *, void *,
1371                                struct pp_power_state *, void *, uint32_t))
1372{
1373        int result = 0;
1374        const ATOM_Tonga_State_Array *state_arrays;
1375        const ATOM_Tonga_State *state_entry;
1376        const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
1377        int i, j;
1378        uint32_t flags = 0;
1379
1380        PP_ASSERT_WITH_CODE((NULL != pp_table), "Missing PowerPlay Table!", return -1;);
1381        power_state->classification.bios_index = entry_index;
1382
1383        if (pp_table->sHeader.ucTableFormatRevision >=
1384                        ATOM_Tonga_TABLE_REVISION_TONGA) {
1385                state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)pp_table) +
1386                                le16_to_cpu(pp_table->usStateArrayOffset));
1387
1388                PP_ASSERT_WITH_CODE((0 < pp_table->usStateArrayOffset),
1389                                "Invalid PowerPlay Table State Array Offset.", return -1);
1390                PP_ASSERT_WITH_CODE((0 < state_arrays->ucNumEntries),
1391                                "Invalid PowerPlay Table State Array.", return -1);
1392                PP_ASSERT_WITH_CODE((entry_index <= state_arrays->ucNumEntries),
1393                                "Invalid PowerPlay Table State Array Entry.", return -1);
1394
1395                state_entry = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1396                                                ATOM_Tonga_State, entries,
1397                                                state_arrays, entry_index);
1398
1399                result = call_back_func(hwmgr, (void *)state_entry, power_state,
1400                                (void *)pp_table,
1401                                make_classification_flags(hwmgr,
1402                                        le16_to_cpu(state_entry->usClassification),
1403                                        le16_to_cpu(state_entry->usClassification2)));
1404        }
1405
1406        if (!result && (power_state->classification.flags &
1407                        PP_StateClassificationFlag_Boot))
1408                result = hwmgr->hwmgr_func->patch_boot_state(hwmgr, &(power_state->hardware));
1409
1410        hwmgr->num_vce_state_tables = i = ppt_get_num_of_vce_state_table_entries_v1_0(hwmgr);
1411
1412        if ((i != 0) && (i <= AMD_MAX_VCE_LEVELS)) {
1413                for (j = 0; j < i; j++)
1414                        ppt_get_vce_state_table_entry_v1_0(hwmgr, j, &(hwmgr->vce_states[j]), NULL, &flags);
1415        }
1416
1417        return result;
1418}
1419
1420