drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c

   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  * Private Function used during initialization.
  36  * @param hwmgr Pointer to the hardware manager.
  37  * @param setIt A flag indication if the capability should be set (TRUE) or reset (FALSE).
  38  * @param cap Which capability to set/reset.
  39  */
  40 static 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  * Private Function used during initialization.
  51  * @param hwmgr Pointer to the hardware manager.
  52  * @param powerplay_caps the bit array (from BIOS) of capability bits.
  53  * @exception the current implementation always returns 1.
  54  */
  55 static 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  */
 134 static 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
 153 static 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 table_size, 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_size = sizeof(uint32_t) +
 169                 sizeof(phm_ppt_v1_voltage_lookup_record) * max_levels;
 170
 171         table = kzalloc(table_size, GFP_KERNEL);
 172
 173         if (NULL == table)
 174                 return -ENOMEM;
 175
 176         table->count = vddc_lookup_pp_tables->ucNumEntries;
 177
 178         for (i = 0; i < vddc_lookup_pp_tables->ucNumEntries; i++) {
 179                 record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 180                                         phm_ppt_v1_voltage_lookup_record,
 181                                         entries, table, i);
 182                 atom_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 183                                         ATOM_Tonga_Voltage_Lookup_Record,
 184                                         entries, vddc_lookup_pp_tables, i);
 185                 record->us_calculated = 0;
 186                 record->us_vdd = le16_to_cpu(atom_record->usVdd);
 187                 record->us_cac_low = le16_to_cpu(atom_record->usCACLow);
 188                 record->us_cac_mid = le16_to_cpu(atom_record->usCACMid);
 189                 record->us_cac_high = le16_to_cpu(atom_record->usCACHigh);
 190         }
 191
 192         *lookup_table = table;
 193
 194         return 0;
 195 }
 196
 197 /**
 198  * Private Function used during initialization.
 199  * Initialize Platform Power Management Parameter table
 200  * @param hwmgr Pointer to the hardware manager.
 201  * @param atom_ppm_table Pointer to PPM table in VBIOS
 202  */
 203 static int get_platform_power_management_table(
 204                 struct pp_hwmgr *hwmgr,
 205                 ATOM_Tonga_PPM_Table *atom_ppm_table)
 206 {
 207         struct phm_ppm_table *ptr = kzalloc(sizeof(ATOM_Tonga_PPM_Table), GFP_KERNEL);
 208         struct phm_ppt_v1_information *pp_table_information =
 209                 (struct phm_ppt_v1_information *)(hwmgr->pptable);
 210
 211         if (NULL == ptr)
 212                 return -ENOMEM;
 213
 214         ptr->ppm_design
 215                 = atom_ppm_table->ucPpmDesign;
 216         ptr->cpu_core_number
 217                 = le16_to_cpu(atom_ppm_table->usCpuCoreNumber);
 218         ptr->platform_tdp
 219                 = le32_to_cpu(atom_ppm_table->ulPlatformTDP);
 220         ptr->small_ac_platform_tdp
 221                 = le32_to_cpu(atom_ppm_table->ulSmallACPlatformTDP);
 222         ptr->platform_tdc
 223                 = le32_to_cpu(atom_ppm_table->ulPlatformTDC);
 224         ptr->small_ac_platform_tdc
 225                 = le32_to_cpu(atom_ppm_table->ulSmallACPlatformTDC);
 226         ptr->apu_tdp
 227                 = le32_to_cpu(atom_ppm_table->ulApuTDP);
 228         ptr->dgpu_tdp
 229                 = le32_to_cpu(atom_ppm_table->ulDGpuTDP);
 230         ptr->dgpu_ulv_power
 231                 = le32_to_cpu(atom_ppm_table->ulDGpuUlvPower);
 232         ptr->tj_max
 233                 = le32_to_cpu(atom_ppm_table->ulTjmax);
 234
 235         pp_table_information->ppm_parameter_table = ptr;
 236
 237         return 0;
 238 }
 239
 240 /**
 241  * Private Function used during initialization.
 242  * Initialize TDP limits for DPM2
 243  * @param hwmgr Pointer to the hardware manager.
 244  * @param powerplay_table Pointer to the PowerPlay Table.
 245  */
 246 static int init_dpm_2_parameters(
 247                 struct pp_hwmgr *hwmgr,
 248                 const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
 249                 )
 250 {
 251         int result = 0;
 252         struct phm_ppt_v1_information *pp_table_information = (struct phm_ppt_v1_information *)(hwmgr->pptable);
 253         ATOM_Tonga_PPM_Table *atom_ppm_table;
 254         uint32_t disable_ppm = 0;
 255         uint32_t disable_power_control = 0;
 256
 257         pp_table_information->us_ulv_voltage_offset =
 258                 le16_to_cpu(powerplay_table->usUlvVoltageOffset);
 259
 260         pp_table_information->ppm_parameter_table = NULL;
 261         pp_table_information->vddc_lookup_table = NULL;
 262         pp_table_information->vddgfx_lookup_table = NULL;
 263         /* TDP limits */
 264         hwmgr->platform_descriptor.TDPODLimit =
 265                 le16_to_cpu(powerplay_table->usPowerControlLimit);
 266         hwmgr->platform_descriptor.TDPAdjustment = 0;
 267         hwmgr->platform_descriptor.VidAdjustment = 0;
 268         hwmgr->platform_descriptor.VidAdjustmentPolarity = 0;
 269         hwmgr->platform_descriptor.VidMinLimit = 0;
 270         hwmgr->platform_descriptor.VidMaxLimit = 1500000;
 271         hwmgr->platform_descriptor.VidStep = 6250;
 272
 273         disable_power_control = 0;
 274         if (0 == disable_power_control) {
 275                 /* enable TDP overdrive (PowerControl) feature as well if supported */
 276                 if (hwmgr->platform_descriptor.TDPODLimit != 0)
 277                         phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 278                         PHM_PlatformCaps_PowerControl);
 279         }
 280
 281         if (0 != powerplay_table->usVddcLookupTableOffset) {
 282                 const ATOM_Tonga_Voltage_Lookup_Table *pVddcCACTable =
 283                         (ATOM_Tonga_Voltage_Lookup_Table *)(((unsigned long)powerplay_table) +
 284                         le16_to_cpu(powerplay_table->usVddcLookupTableOffset));
 285
 286                 result = get_vddc_lookup_table(hwmgr,
 287                         &pp_table_information->vddc_lookup_table, pVddcCACTable, 16);
 288         }
 289
 290         if (0 != powerplay_table->usVddgfxLookupTableOffset) {
 291                 const ATOM_Tonga_Voltage_Lookup_Table *pVddgfxCACTable =
 292                         (ATOM_Tonga_Voltage_Lookup_Table *)(((unsigned long)powerplay_table) +
 293                         le16_to_cpu(powerplay_table->usVddgfxLookupTableOffset));
 294
 295                 result = get_vddc_lookup_table(hwmgr,
 296                         &pp_table_information->vddgfx_lookup_table, pVddgfxCACTable, 16);
 297         }
 298
 299         disable_ppm = 0;
 300         if (0 == disable_ppm) {
 301                 atom_ppm_table = (ATOM_Tonga_PPM_Table *)
 302                         (((unsigned long)powerplay_table) + le16_to_cpu(powerplay_table->usPPMTableOffset));
 303
 304                 if (0 != powerplay_table->usPPMTableOffset) {
 305                         if (get_platform_power_management_table(hwmgr, atom_ppm_table) == 0) {
 306                                 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 307                                         PHM_PlatformCaps_EnablePlatformPowerManagement);
 308                         }
 309                 }
 310         }
 311
 312         return result;
 313 }
 314
 315 static int get_valid_clk(
 316                 struct pp_hwmgr *hwmgr,
 317                 struct phm_clock_array **clk_table,
 318                 phm_ppt_v1_clock_voltage_dependency_table const *clk_volt_pp_table
 319                 )
 320 {
 321         uint32_t table_size, i;
 322         struct phm_clock_array *table;
 323         phm_ppt_v1_clock_voltage_dependency_record *dep_record;
 324
 325         PP_ASSERT_WITH_CODE((0 != clk_volt_pp_table->count),
 326                 "Invalid PowerPlay Table!", return -1);
 327
 328         table_size = sizeof(uint32_t) +
 329                 sizeof(uint32_t) * clk_volt_pp_table->count;
 330
 331         table = kzalloc(table_size, GFP_KERNEL);
 332
 333         if (NULL == table)
 334                 return -ENOMEM;
 335
 336         table->count = (uint32_t)clk_volt_pp_table->count;
 337
 338         for (i = 0; i < table->count; i++) {
 339                 dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 340                                 phm_ppt_v1_clock_voltage_dependency_record,
 341                                 entries, clk_volt_pp_table, i);
 342                 table->values[i] = (uint32_t)dep_record->clk;
 343         }
 344         *clk_table = table;
 345
 346         return 0;
 347 }
 348
 349 static int get_hard_limits(
 350                 struct pp_hwmgr *hwmgr,
 351                 struct phm_clock_and_voltage_limits *limits,
 352                 ATOM_Tonga_Hard_Limit_Table const *limitable
 353                 )
 354 {
 355         PP_ASSERT_WITH_CODE((0 != limitable->ucNumEntries), "Invalid PowerPlay Table!", return -1);
 356
 357         /* currently we always take entries[0] parameters */
 358         limits->sclk = le32_to_cpu(limitable->entries[0].ulSCLKLimit);
 359         limits->mclk = le32_to_cpu(limitable->entries[0].ulMCLKLimit);
 360         limits->vddc = le16_to_cpu(limitable->entries[0].usVddcLimit);
 361         limits->vddci = le16_to_cpu(limitable->entries[0].usVddciLimit);
 362         limits->vddgfx = le16_to_cpu(limitable->entries[0].usVddgfxLimit);
 363
 364         return 0;
 365 }
 366
 367 static int get_mclk_voltage_dependency_table(
 368                 struct pp_hwmgr *hwmgr,
 369                 phm_ppt_v1_clock_voltage_dependency_table **pp_tonga_mclk_dep_table,
 370                 ATOM_Tonga_MCLK_Dependency_Table const *mclk_dep_table
 371                 )
 372 {
 373         uint32_t table_size, i;
 374         phm_ppt_v1_clock_voltage_dependency_table *mclk_table;
 375         phm_ppt_v1_clock_voltage_dependency_record *mclk_table_record;
 376         ATOM_Tonga_MCLK_Dependency_Record *mclk_dep_record;
 377
 378         PP_ASSERT_WITH_CODE((0 != mclk_dep_table->ucNumEntries),
 379                 "Invalid PowerPlay Table!", return -1);
 380
 381         table_size = sizeof(uint32_t) + sizeof(phm_ppt_v1_clock_voltage_dependency_record)
 382                 * mclk_dep_table->ucNumEntries;
 383
 384         mclk_table = kzalloc(table_size, GFP_KERNEL);
 385
 386         if (NULL == mclk_table)
 387                 return -ENOMEM;
 388
 389         mclk_table->count = (uint32_t)mclk_dep_table->ucNumEntries;
 390
 391         for (i = 0; i < mclk_dep_table->ucNumEntries; i++) {
 392                 mclk_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 393                                         phm_ppt_v1_clock_voltage_dependency_record,
 394                                                 entries, mclk_table, i);
 395                 mclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 396                                         ATOM_Tonga_MCLK_Dependency_Record,
 397                                                 entries, mclk_dep_table, i);
 398                 mclk_table_record->vddInd = mclk_dep_record->ucVddcInd;
 399                 mclk_table_record->vdd_offset = le16_to_cpu(mclk_dep_record->usVddgfxOffset);
 400                 mclk_table_record->vddci = le16_to_cpu(mclk_dep_record->usVddci);
 401                 mclk_table_record->mvdd = le16_to_cpu(mclk_dep_record->usMvdd);
 402                 mclk_table_record->clk = le32_to_cpu(mclk_dep_record->ulMclk);
 403         }
 404
 405         *pp_tonga_mclk_dep_table = mclk_table;
 406
 407         return 0;
 408 }
 409
 410 static int get_sclk_voltage_dependency_table(
 411                 struct pp_hwmgr *hwmgr,
 412                 phm_ppt_v1_clock_voltage_dependency_table **pp_tonga_sclk_dep_table,
 413                 PPTable_Generic_SubTable_Header const  *sclk_dep_table
 414                 )
 415 {
 416         uint32_t table_size, i;
 417         phm_ppt_v1_clock_voltage_dependency_table *sclk_table;
 418         phm_ppt_v1_clock_voltage_dependency_record *sclk_table_record;
 419
 420         if (sclk_dep_table->ucRevId < 1) {
 421                 const ATOM_Tonga_SCLK_Dependency_Table *tonga_table =
 422                             (ATOM_Tonga_SCLK_Dependency_Table *)sclk_dep_table;
 423                 ATOM_Tonga_SCLK_Dependency_Record *sclk_dep_record;
 424
 425                 PP_ASSERT_WITH_CODE((0 != tonga_table->ucNumEntries),
 426                         "Invalid PowerPlay Table!", return -1);
 427
 428                 table_size = sizeof(uint32_t) + sizeof(phm_ppt_v1_clock_voltage_dependency_record)
 429                         * tonga_table->ucNumEntries;
 430
 431                 sclk_table = kzalloc(table_size, GFP_KERNEL);
 432
 433                 if (NULL == sclk_table)
 434                         return -ENOMEM;
 435
 436                 sclk_table->count = (uint32_t)tonga_table->ucNumEntries;
 437
 438                 for (i = 0; i < tonga_table->ucNumEntries; i++) {
 439                         sclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 440                                                 ATOM_Tonga_SCLK_Dependency_Record,
 441                                                 entries, tonga_table, i);
 442                         sclk_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 443                                                 phm_ppt_v1_clock_voltage_dependency_record,
 444                                                 entries, sclk_table, i);
 445                         sclk_table_record->vddInd = sclk_dep_record->ucVddInd;
 446                         sclk_table_record->vdd_offset = le16_to_cpu(sclk_dep_record->usVddcOffset);
 447                         sclk_table_record->clk = le32_to_cpu(sclk_dep_record->ulSclk);
 448                         sclk_table_record->cks_enable =
 449                                 (((sclk_dep_record->ucCKSVOffsetandDisable & 0x80) >> 7) == 0) ? 1 : 0;
 450                         sclk_table_record->cks_voffset = (sclk_dep_record->ucCKSVOffsetandDisable & 0x7F);
 451                 }
 452         } else {
 453                 const ATOM_Polaris_SCLK_Dependency_Table *polaris_table =
 454                             (ATOM_Polaris_SCLK_Dependency_Table *)sclk_dep_table;
 455                 ATOM_Polaris_SCLK_Dependency_Record *sclk_dep_record;
 456
 457                 PP_ASSERT_WITH_CODE((0 != polaris_table->ucNumEntries),
 458                         "Invalid PowerPlay Table!", return -1);
 459
 460                 table_size = sizeof(uint32_t) + sizeof(phm_ppt_v1_clock_voltage_dependency_record)
 461                         * polaris_table->ucNumEntries;
 462
 463                 sclk_table = kzalloc(table_size, GFP_KERNEL);
 464
 465                 if (NULL == sclk_table)
 466                         return -ENOMEM;
 467
 468                 sclk_table->count = (uint32_t)polaris_table->ucNumEntries;
 469
 470                 for (i = 0; i < polaris_table->ucNumEntries; i++) {
 471                         sclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 472                                                 ATOM_Polaris_SCLK_Dependency_Record,
 473                                                 entries, polaris_table, i);
 474                         sclk_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 475                                                 phm_ppt_v1_clock_voltage_dependency_record,
 476                                                 entries, sclk_table, i);
 477                         sclk_table_record->vddInd = sclk_dep_record->ucVddInd;
 478                         sclk_table_record->vdd_offset = le16_to_cpu(sclk_dep_record->usVddcOffset);
 479                         sclk_table_record->clk = le32_to_cpu(sclk_dep_record->ulSclk);
 480                         sclk_table_record->cks_enable =
 481                                 (((sclk_dep_record->ucCKSVOffsetandDisable & 0x80) >> 7) == 0) ? 1 : 0;
 482                         sclk_table_record->cks_voffset = (sclk_dep_record->ucCKSVOffsetandDisable & 0x7F);
 483                         sclk_table_record->sclk_offset = le32_to_cpu(sclk_dep_record->ulSclkOffset);
 484                 }
 485         }
 486         *pp_tonga_sclk_dep_table = sclk_table;
 487
 488         return 0;
 489 }
 490
 491 static int get_pcie_table(
 492                 struct pp_hwmgr *hwmgr,
 493                 phm_ppt_v1_pcie_table **pp_tonga_pcie_table,
 494                 PPTable_Generic_SubTable_Header const *ptable
 495                 )
 496 {
 497         uint32_t table_size, i, pcie_count;
 498         phm_ppt_v1_pcie_table *pcie_table;
 499         struct phm_ppt_v1_information *pp_table_information =
 500                 (struct phm_ppt_v1_information *)(hwmgr->pptable);
 501         phm_ppt_v1_pcie_record *pcie_record;
 502
 503         if (ptable->ucRevId < 1) {
 504                 const ATOM_Tonga_PCIE_Table *atom_pcie_table = (ATOM_Tonga_PCIE_Table *)ptable;
 505                 ATOM_Tonga_PCIE_Record *atom_pcie_record;
 506
 507                 PP_ASSERT_WITH_CODE((atom_pcie_table->ucNumEntries != 0),
 508                         "Invalid PowerPlay Table!", return -1);
 509
 510                 table_size = sizeof(uint32_t) +
 511                         sizeof(phm_ppt_v1_pcie_record) * atom_pcie_table->ucNumEntries;
 512
 513                 pcie_table = kzalloc(table_size, GFP_KERNEL);
 514
 515                 if (pcie_table == NULL)
 516                         return -ENOMEM;
 517
 518                 /*
 519                 * Make sure the number of pcie entries are less than or equal to sclk dpm levels.
 520                 * Since first PCIE entry is for ULV, #pcie has to be <= SclkLevel + 1.
 521                 */
 522                 pcie_count = (pp_table_information->vdd_dep_on_sclk->count) + 1;
 523                 if ((uint32_t)atom_pcie_table->ucNumEntries <= pcie_count)
 524                         pcie_count = (uint32_t)atom_pcie_table->ucNumEntries;
 525                 else
 526                         pr_err("Number of Pcie Entries exceed the number of SCLK Dpm Levels! Disregarding the excess entries...\n");
 527
 528                 pcie_table->count = pcie_count;
 529                 for (i = 0; i < pcie_count; i++) {
 530                         pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 531                                                 phm_ppt_v1_pcie_record,
 532                                                 entries, pcie_table, i);
 533                         atom_pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 534                                                 ATOM_Tonga_PCIE_Record,
 535                                                 entries, atom_pcie_table, i);
 536                         pcie_record->gen_speed = atom_pcie_record->ucPCIEGenSpeed;
 537                         pcie_record->lane_width = le16_to_cpu(atom_pcie_record->usPCIELaneWidth);
 538                 }
 539
 540                 *pp_tonga_pcie_table = pcie_table;
 541         } else {
 542                 /* Polaris10/Polaris11 and newer. */
 543                 const ATOM_Polaris10_PCIE_Table *atom_pcie_table = (ATOM_Polaris10_PCIE_Table *)ptable;
 544                 ATOM_Polaris10_PCIE_Record *atom_pcie_record;
 545
 546                 PP_ASSERT_WITH_CODE((atom_pcie_table->ucNumEntries != 0),
 547                         "Invalid PowerPlay Table!", return -1);
 548
 549                 table_size = sizeof(uint32_t) +
 550                         sizeof(phm_ppt_v1_pcie_record) * atom_pcie_table->ucNumEntries;
 551
 552                 pcie_table = kzalloc(table_size, GFP_KERNEL);
 553
 554                 if (pcie_table == NULL)
 555                         return -ENOMEM;
 556
 557                 /*
 558                 * Make sure the number of pcie entries are less than or equal to sclk dpm levels.
 559                 * Since first PCIE entry is for ULV, #pcie has to be <= SclkLevel + 1.
 560                 */
 561                 pcie_count = (pp_table_information->vdd_dep_on_sclk->count) + 1;
 562                 if ((uint32_t)atom_pcie_table->ucNumEntries <= pcie_count)
 563                         pcie_count = (uint32_t)atom_pcie_table->ucNumEntries;
 564                 else
 565                         pr_err("Number of Pcie Entries exceed the number of SCLK Dpm Levels! Disregarding the excess entries...\n");
 566
 567                 pcie_table->count = pcie_count;
 568
 569                 for (i = 0; i < pcie_count; i++) {
 570                         pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 571                                                 phm_ppt_v1_pcie_record,
 572                                                 entries, pcie_table, i);
 573                         atom_pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 574                                                 ATOM_Polaris10_PCIE_Record,
 575                                                 entries, atom_pcie_table, i);
 576                         pcie_record->gen_speed = atom_pcie_record->ucPCIEGenSpeed;
 577                         pcie_record->lane_width = le16_to_cpu(atom_pcie_record->usPCIELaneWidth);
 578                         pcie_record->pcie_sclk = le32_to_cpu(atom_pcie_record->ulPCIE_Sclk);
 579                 }
 580
 581                 *pp_tonga_pcie_table = pcie_table;
 582         }
 583
 584         return 0;
 585 }
 586
 587 static int get_cac_tdp_table(
 588                 struct pp_hwmgr *hwmgr,
 589                 struct phm_cac_tdp_table **cac_tdp_table,
 590                 const PPTable_Generic_SubTable_Header * table
 591                 )
 592 {
 593         uint32_t table_size;
 594         struct phm_cac_tdp_table *tdp_table;
 595
 596         table_size = sizeof(uint32_t) + sizeof(struct phm_cac_tdp_table);
 597         tdp_table = kzalloc(table_size, GFP_KERNEL);
 598
 599         if (NULL == tdp_table)
 600                 return -ENOMEM;
 601
 602         hwmgr->dyn_state.cac_dtp_table = kzalloc(table_size, GFP_KERNEL);
 603
 604         if (NULL == hwmgr->dyn_state.cac_dtp_table) {
 605                 kfree(tdp_table);
 606                 return -ENOMEM;
 607         }
 608
 609         if (table->ucRevId < 3) {
 610                 const ATOM_Tonga_PowerTune_Table *tonga_table =
 611                         (ATOM_Tonga_PowerTune_Table *)table;
 612                 tdp_table->usTDP = le16_to_cpu(tonga_table->usTDP);
 613                 tdp_table->usConfigurableTDP =
 614                         le16_to_cpu(tonga_table->usConfigurableTDP);
 615                 tdp_table->usTDC = le16_to_cpu(tonga_table->usTDC);
 616                 tdp_table->usBatteryPowerLimit =
 617                         le16_to_cpu(tonga_table->usBatteryPowerLimit);
 618                 tdp_table->usSmallPowerLimit =
 619                         le16_to_cpu(tonga_table->usSmallPowerLimit);
 620                 tdp_table->usLowCACLeakage =
 621                         le16_to_cpu(tonga_table->usLowCACLeakage);
 622                 tdp_table->usHighCACLeakage =
 623                         le16_to_cpu(tonga_table->usHighCACLeakage);
 624                 tdp_table->usMaximumPowerDeliveryLimit =
 625                         le16_to_cpu(tonga_table->usMaximumPowerDeliveryLimit);
 626                 tdp_table->usDefaultTargetOperatingTemp =
 627                         le16_to_cpu(tonga_table->usTjMax);
 628                 tdp_table->usTargetOperatingTemp =
 629                         le16_to_cpu(tonga_table->usTjMax); /*Set the initial temp to the same as default */
 630                 tdp_table->usPowerTuneDataSetID =
 631                         le16_to_cpu(tonga_table->usPowerTuneDataSetID);
 632                 tdp_table->usSoftwareShutdownTemp =
 633                         le16_to_cpu(tonga_table->usSoftwareShutdownTemp);
 634                 tdp_table->usClockStretchAmount =
 635                         le16_to_cpu(tonga_table->usClockStretchAmount);
 636         } else {   /* Fiji and newer */
 637                 const ATOM_Fiji_PowerTune_Table *fijitable =
 638                         (ATOM_Fiji_PowerTune_Table *)table;
 639                 tdp_table->usTDP = le16_to_cpu(fijitable->usTDP);
 640                 tdp_table->usConfigurableTDP = le16_to_cpu(fijitable->usConfigurableTDP);
 641                 tdp_table->usTDC = le16_to_cpu(fijitable->usTDC);
 642                 tdp_table->usBatteryPowerLimit = le16_to_cpu(fijitable->usBatteryPowerLimit);
 643                 tdp_table->usSmallPowerLimit = le16_to_cpu(fijitable->usSmallPowerLimit);
 644                 tdp_table->usLowCACLeakage = le16_to_cpu(fijitable->usLowCACLeakage);
 645                 tdp_table->usHighCACLeakage = le16_to_cpu(fijitable->usHighCACLeakage);
 646                 tdp_table->usMaximumPowerDeliveryLimit =
 647                         le16_to_cpu(fijitable->usMaximumPowerDeliveryLimit);
 648                 tdp_table->usDefaultTargetOperatingTemp =
 649                         le16_to_cpu(fijitable->usTjMax);
 650                 tdp_table->usTargetOperatingTemp =
 651                         le16_to_cpu(fijitable->usTjMax); /*Set the initial temp to the same as default */
 652                 tdp_table->usPowerTuneDataSetID =
 653                         le16_to_cpu(fijitable->usPowerTuneDataSetID);
 654                 tdp_table->usSoftwareShutdownTemp =
 655                         le16_to_cpu(fijitable->usSoftwareShutdownTemp);
 656                 tdp_table->usClockStretchAmount =
 657                         le16_to_cpu(fijitable->usClockStretchAmount);
 658                 tdp_table->usTemperatureLimitHotspot =
 659                         le16_to_cpu(fijitable->usTemperatureLimitHotspot);
 660                 tdp_table->usTemperatureLimitLiquid1 =
 661                         le16_to_cpu(fijitable->usTemperatureLimitLiquid1);
 662                 tdp_table->usTemperatureLimitLiquid2 =
 663                         le16_to_cpu(fijitable->usTemperatureLimitLiquid2);
 664                 tdp_table->usTemperatureLimitVrVddc =
 665                         le16_to_cpu(fijitable->usTemperatureLimitVrVddc);
 666                 tdp_table->usTemperatureLimitVrMvdd =
 667                         le16_to_cpu(fijitable->usTemperatureLimitVrMvdd);
 668                 tdp_table->usTemperatureLimitPlx =
 669                         le16_to_cpu(fijitable->usTemperatureLimitPlx);
 670                 tdp_table->ucLiquid1_I2C_address =
 671                         fijitable->ucLiquid1_I2C_address;
 672                 tdp_table->ucLiquid2_I2C_address =
 673                         fijitable->ucLiquid2_I2C_address;
 674                 tdp_table->ucLiquid_I2C_Line =
 675                         fijitable->ucLiquid_I2C_Line;
 676                 tdp_table->ucVr_I2C_address = fijitable->ucVr_I2C_address;
 677                 tdp_table->ucVr_I2C_Line = fijitable->ucVr_I2C_Line;
 678                 tdp_table->ucPlx_I2C_address = fijitable->ucPlx_I2C_address;
 679                 tdp_table->ucPlx_I2C_Line = fijitable->ucPlx_I2C_Line;
 680         }
 681
 682         *cac_tdp_table = tdp_table;
 683
 684         return 0;
 685 }
 686
 687 static int get_mm_clock_voltage_table(
 688                 struct pp_hwmgr *hwmgr,
 689                 phm_ppt_v1_mm_clock_voltage_dependency_table **tonga_mm_table,
 690                 const ATOM_Tonga_MM_Dependency_Table * mm_dependency_table
 691                 )
 692 {
 693         uint32_t table_size, i;
 694         const ATOM_Tonga_MM_Dependency_Record *mm_dependency_record;
 695         phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table;
 696         phm_ppt_v1_mm_clock_voltage_dependency_record *mm_table_record;
 697
 698         PP_ASSERT_WITH_CODE((0 != mm_dependency_table->ucNumEntries),
 699                 "Invalid PowerPlay Table!", return -1);
 700         table_size = sizeof(uint32_t) +
 701                 sizeof(phm_ppt_v1_mm_clock_voltage_dependency_record)
 702                 * mm_dependency_table->ucNumEntries;
 703         mm_table = kzalloc(table_size, GFP_KERNEL);
 704
 705         if (NULL == mm_table)
 706                 return -ENOMEM;
 707
 708         mm_table->count = mm_dependency_table->ucNumEntries;
 709
 710         for (i = 0; i < mm_dependency_table->ucNumEntries; i++) {
 711                 mm_dependency_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 712                                                 ATOM_Tonga_MM_Dependency_Record,
 713                                                 entries, mm_dependency_table, i);
 714                 mm_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
 715                                         phm_ppt_v1_mm_clock_voltage_dependency_record,
 716                                         entries, mm_table, i);
 717                 mm_table_record->vddcInd = mm_dependency_record->ucVddcInd;
 718                 mm_table_record->vddgfx_offset = le16_to_cpu(mm_dependency_record->usVddgfxOffset);
 719                 mm_table_record->aclk = le32_to_cpu(mm_dependency_record->ulAClk);
 720                 mm_table_record->samclock = le32_to_cpu(mm_dependency_record->ulSAMUClk);
 721                 mm_table_record->eclk = le32_to_cpu(mm_dependency_record->ulEClk);
 722                 mm_table_record->vclk = le32_to_cpu(mm_dependency_record->ulVClk);
 723                 mm_table_record->dclk = le32_to_cpu(mm_dependency_record->ulDClk);
 724         }
 725
 726         *tonga_mm_table = mm_table;
 727
 728         return 0;
 729 }
 730
 731 static int get_gpio_table(struct pp_hwmgr *hwmgr,
 732                 struct phm_ppt_v1_gpio_table **pp_tonga_gpio_table,
 733                 const ATOM_Tonga_GPIO_Table *atom_gpio_table)
 734 {
 735         uint32_t table_size;
 736         struct phm_ppt_v1_gpio_table *pp_gpio_table;
 737         struct phm_ppt_v1_information *pp_table_information =
 738                         (struct phm_ppt_v1_information *)(hwmgr->pptable);
 739
 740         table_size = sizeof(struct phm_ppt_v1_gpio_table);
 741         pp_gpio_table = kzalloc(table_size, GFP_KERNEL);
 742         if (!pp_gpio_table)
 743                 return -ENOMEM;
 744
 745         if (pp_table_information->vdd_dep_on_sclk->count <
 746                         atom_gpio_table->ucVRHotTriggeredSclkDpmIndex)
 747                 PP_ASSERT_WITH_CODE(false,
 748                                 "SCLK DPM index for VRHot cannot exceed the total sclk level count!",);
 749         else
 750                 pp_gpio_table->vrhot_triggered_sclk_dpm_index =
 751                                 atom_gpio_table->ucVRHotTriggeredSclkDpmIndex;
 752
 753         *pp_tonga_gpio_table = pp_gpio_table;
 754
 755         return 0;
 756 }
 757 /**
 758  * Private Function used during initialization.
 759  * Initialize clock voltage dependency
 760  * @param hwmgr Pointer to the hardware manager.
 761  * @param powerplay_table Pointer to the PowerPlay Table.
 762  */
 763 static int init_clock_voltage_dependency(
 764                 struct pp_hwmgr *hwmgr,
 765                 const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
 766                 )
 767 {
 768         int result = 0;
 769         struct phm_ppt_v1_information *pp_table_information =
 770                 (struct phm_ppt_v1_information *)(hwmgr->pptable);
 771
 772         const ATOM_Tonga_MM_Dependency_Table *mm_dependency_table =
 773                 (const ATOM_Tonga_MM_Dependency_Table *)(((unsigned long) powerplay_table) +
 774                 le16_to_cpu(powerplay_table->usMMDependencyTableOffset));
 775         const PPTable_Generic_SubTable_Header *pPowerTuneTable =
 776                 (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
 777                 le16_to_cpu(powerplay_table->usPowerTuneTableOffset));
 778         const ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table =
 779                 (const ATOM_Tonga_MCLK_Dependency_Table *)(((unsigned long) powerplay_table) +
 780                 le16_to_cpu(powerplay_table->usMclkDependencyTableOffset));
 781         const PPTable_Generic_SubTable_Header *sclk_dep_table =
 782                 (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
 783                 le16_to_cpu(powerplay_table->usSclkDependencyTableOffset));
 784         const ATOM_Tonga_Hard_Limit_Table *pHardLimits =
 785                 (const ATOM_Tonga_Hard_Limit_Table *)(((unsigned long) powerplay_table) +
 786                 le16_to_cpu(powerplay_table->usHardLimitTableOffset));
 787         const PPTable_Generic_SubTable_Header *pcie_table =
 788                 (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
 789                 le16_to_cpu(powerplay_table->usPCIETableOffset));
 790         const ATOM_Tonga_GPIO_Table *gpio_table =
 791                 (const ATOM_Tonga_GPIO_Table *)(((unsigned long) powerplay_table) +
 792                 le16_to_cpu(powerplay_table->usGPIOTableOffset));
 793
 794         pp_table_information->vdd_dep_on_sclk = NULL;
 795         pp_table_information->vdd_dep_on_mclk = NULL;
 796         pp_table_information->mm_dep_table = NULL;
 797         pp_table_information->pcie_table = NULL;
 798         pp_table_information->gpio_table = NULL;
 799
 800         if (powerplay_table->usMMDependencyTableOffset != 0)
 801                 result = get_mm_clock_voltage_table(hwmgr,
 802                 &pp_table_information->mm_dep_table, mm_dependency_table);
 803
 804         if (result == 0 && powerplay_table->usPowerTuneTableOffset != 0)
 805                 result = get_cac_tdp_table(hwmgr,
 806                 &pp_table_information->cac_dtp_table, pPowerTuneTable);
 807
 808         if (result == 0 && powerplay_table->usSclkDependencyTableOffset != 0)
 809                 result = get_sclk_voltage_dependency_table(hwmgr,
 810                 &pp_table_information->vdd_dep_on_sclk, sclk_dep_table);
 811
 812         if (result == 0 && powerplay_table->usMclkDependencyTableOffset != 0)
 813                 result = get_mclk_voltage_dependency_table(hwmgr,
 814                 &pp_table_information->vdd_dep_on_mclk, mclk_dep_table);
 815
 816         if (result == 0 && powerplay_table->usPCIETableOffset != 0)
 817                 result = get_pcie_table(hwmgr,
 818                 &pp_table_information->pcie_table, pcie_table);
 819
 820         if (result == 0 && powerplay_table->usHardLimitTableOffset != 0)
 821                 result = get_hard_limits(hwmgr,
 822                 &pp_table_information->max_clock_voltage_on_dc, pHardLimits);
 823
 824         hwmgr->dyn_state.max_clock_voltage_on_dc.sclk =
 825                 pp_table_information->max_clock_voltage_on_dc.sclk;
 826         hwmgr->dyn_state.max_clock_voltage_on_dc.mclk =
 827                 pp_table_information->max_clock_voltage_on_dc.mclk;
 828         hwmgr->dyn_state.max_clock_voltage_on_dc.vddc =
 829                 pp_table_information->max_clock_voltage_on_dc.vddc;
 830         hwmgr->dyn_state.max_clock_voltage_on_dc.vddci =
 831                 pp_table_information->max_clock_voltage_on_dc.vddci;
 832
 833         if (result == 0 && (NULL != pp_table_information->vdd_dep_on_mclk)
 834                 && (0 != pp_table_information->vdd_dep_on_mclk->count))
 835                 result = get_valid_clk(hwmgr, &pp_table_information->valid_mclk_values,
 836                 pp_table_information->vdd_dep_on_mclk);
 837
 838         if (result == 0 && (NULL != pp_table_information->vdd_dep_on_sclk)
 839                 && (0 != pp_table_information->vdd_dep_on_sclk->count))
 840                 result = get_valid_clk(hwmgr, &pp_table_information->valid_sclk_values,
 841                 pp_table_information->vdd_dep_on_sclk);
 842
 843         if (!result && gpio_table)
 844                 result = get_gpio_table(hwmgr, &pp_table_information->gpio_table,
 845                                 gpio_table);
 846
 847         return result;
 848 }
 849
 850 /** Retrieves the (signed) Overdrive limits from VBIOS.
 851  * The max engine clock, memory clock and max temperature come from the firmware info table.
 852  *
 853  * The information is placed into the platform descriptor.
 854  *
 855  * @param hwmgr source of the VBIOS table and owner of the platform descriptor to be updated.
 856  * @param powerplay_table the address of the PowerPlay table.
 857  *
 858  * @return 1 as long as the firmware info table was present and of a supported version.
 859  */
 860 static int init_over_drive_limits(
 861                 struct pp_hwmgr *hwmgr,
 862                 const ATOM_Tonga_POWERPLAYTABLE *powerplay_table)
 863 {
 864         hwmgr->platform_descriptor.overdriveLimit.engineClock =
 865                 le32_to_cpu(powerplay_table->ulMaxODEngineClock);
 866         hwmgr->platform_descriptor.overdriveLimit.memoryClock =
 867                 le32_to_cpu(powerplay_table->ulMaxODMemoryClock);
 868
 869         hwmgr->platform_descriptor.minOverdriveVDDC = 0;
 870         hwmgr->platform_descriptor.maxOverdriveVDDC = 0;
 871         hwmgr->platform_descriptor.overdriveVDDCStep = 0;
 872
 873         return 0;
 874 }
 875
 876 /**
 877  * Private Function used during initialization.
 878  * Inspect the PowerPlay table for obvious signs of corruption.
 879  * @param hwmgr Pointer to the hardware manager.
 880  * @param powerplay_table Pointer to the PowerPlay Table.
 881  * @exception This implementation always returns 1.
 882  */
 883 static int init_thermal_controller(
 884                 struct pp_hwmgr *hwmgr,
 885                 const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
 886                 )
 887 {
 888         const PPTable_Generic_SubTable_Header *fan_table;
 889         ATOM_Tonga_Thermal_Controller *thermal_controller;
 890
 891         thermal_controller = (ATOM_Tonga_Thermal_Controller *)
 892                 (((unsigned long)powerplay_table) +
 893                 le16_to_cpu(powerplay_table->usThermalControllerOffset));
 894         PP_ASSERT_WITH_CODE((0 != powerplay_table->usThermalControllerOffset),
 895                 "Thermal controller table not set!", return -1);
 896
 897         hwmgr->thermal_controller.ucType = thermal_controller->ucType;
 898         hwmgr->thermal_controller.ucI2cLine = thermal_controller->ucI2cLine;
 899         hwmgr->thermal_controller.ucI2cAddress = thermal_controller->ucI2cAddress;
 900
 901         hwmgr->thermal_controller.fanInfo.bNoFan =
 902                 (0 != (thermal_controller->ucFanParameters & ATOM_TONGA_PP_FANPARAMETERS_NOFAN));
 903
 904         hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution =
 905                 thermal_controller->ucFanParameters &
 906                 ATOM_TONGA_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK;
 907
 908         hwmgr->thermal_controller.fanInfo.ulMinRPM
 909                 = thermal_controller->ucFanMinRPM * 100UL;
 910         hwmgr->thermal_controller.fanInfo.ulMaxRPM
 911                 = thermal_controller->ucFanMaxRPM * 100UL;
 912
 913         set_hw_cap(
 914                         hwmgr,
 915                         ATOM_TONGA_PP_THERMALCONTROLLER_NONE != hwmgr->thermal_controller.ucType,
 916                         PHM_PlatformCaps_ThermalController
 917                   );
 918
 919         if (0 == powerplay_table->usFanTableOffset)
 920                 return 0;
 921
 922         fan_table = (const PPTable_Generic_SubTable_Header *)
 923                 (((unsigned long)powerplay_table) +
 924                 le16_to_cpu(powerplay_table->usFanTableOffset));
 925
 926         PP_ASSERT_WITH_CODE((0 != powerplay_table->usFanTableOffset),
 927                 "Fan table not set!", return -1);
 928         PP_ASSERT_WITH_CODE((0 < fan_table->ucRevId),
 929                 "Unsupported fan table format!", return -1);
 930
 931         hwmgr->thermal_controller.advanceFanControlParameters.ulCycleDelay
 932                 = 100000;
 933         phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 934                 PHM_PlatformCaps_MicrocodeFanControl);
 935
 936         if (fan_table->ucRevId < 8) {
 937                 const ATOM_Tonga_Fan_Table *tonga_fan_table =
 938                         (ATOM_Tonga_Fan_Table *)fan_table;
 939                 hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst
 940                         = tonga_fan_table->ucTHyst;
 941                 hwmgr->thermal_controller.advanceFanControlParameters.usTMin
 942                         = le16_to_cpu(tonga_fan_table->usTMin);
 943                 hwmgr->thermal_controller.advanceFanControlParameters.usTMed
 944                         = le16_to_cpu(tonga_fan_table->usTMed);
 945                 hwmgr->thermal_controller.advanceFanControlParameters.usTHigh
 946                         = le16_to_cpu(tonga_fan_table->usTHigh);
 947                 hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin
 948                         = le16_to_cpu(tonga_fan_table->usPWMMin);
 949                 hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed
 950                         = le16_to_cpu(tonga_fan_table->usPWMMed);
 951                 hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh
 952                         = le16_to_cpu(tonga_fan_table->usPWMHigh);
 953                 hwmgr->thermal_controller.advanceFanControlParameters.usTMax
 954                         = 10900;                  /* hard coded */
 955                 hwmgr->thermal_controller.advanceFanControlParameters.usTMax
 956                         = le16_to_cpu(tonga_fan_table->usTMax);
 957                 hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode
 958                         = tonga_fan_table->ucFanControlMode;
 959                 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM
 960                         = le16_to_cpu(tonga_fan_table->usFanPWMMax);
 961                 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity
 962                         = 4836;
 963                 hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity
 964                         = le16_to_cpu(tonga_fan_table->usFanOutputSensitivity);
 965                 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM
 966                         = le16_to_cpu(tonga_fan_table->usFanRPMMax);
 967                 hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit
 968                         = (le32_to_cpu(tonga_fan_table->ulMinFanSCLKAcousticLimit) / 100); /* PPTable stores it in 10Khz unit for 2 decimal places.  SMC wants MHz. */
 969                 hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature
 970                         = tonga_fan_table->ucTargetTemperature;
 971                 hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit
 972                         = tonga_fan_table->ucMinimumPWMLimit;
 973         } else {
 974                 const ATOM_Fiji_Fan_Table *fiji_fan_table =
 975                         (ATOM_Fiji_Fan_Table *)fan_table;
 976                 hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst
 977                         = fiji_fan_table->ucTHyst;
 978                 hwmgr->thermal_controller.advanceFanControlParameters.usTMin
 979                         = le16_to_cpu(fiji_fan_table->usTMin);
 980                 hwmgr->thermal_controller.advanceFanControlParameters.usTMed
 981                         = le16_to_cpu(fiji_fan_table->usTMed);
 982                 hwmgr->thermal_controller.advanceFanControlParameters.usTHigh
 983                         = le16_to_cpu(fiji_fan_table->usTHigh);
 984                 hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin
 985                         = le16_to_cpu(fiji_fan_table->usPWMMin);
 986                 hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed
 987                         = le16_to_cpu(fiji_fan_table->usPWMMed);
 988                 hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh
 989                         = le16_to_cpu(fiji_fan_table->usPWMHigh);
 990                 hwmgr->thermal_controller.advanceFanControlParameters.usTMax
 991                         = le16_to_cpu(fiji_fan_table->usTMax);
 992                 hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode
 993                         = fiji_fan_table->ucFanControlMode;
 994                 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM
 995                         = le16_to_cpu(fiji_fan_table->usFanPWMMax);
 996                 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity
 997                         = 4836;
 998                 hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity
 999                         = le16_to_cpu(fiji_fan_table->usFanOutputSensitivity);
1000                 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM
1001                         = le16_to_cpu(fiji_fan_table->usFanRPMMax);
1002                 hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit
1003                         = (le32_to_cpu(fiji_fan_table->ulMinFanSCLKAcousticLimit) / 100); /* PPTable stores it in 10Khz unit for 2 decimal places.  SMC wants MHz. */
1004                 hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature
1005                         = fiji_fan_table->ucTargetTemperature;
1006                 hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit
1007                         = fiji_fan_table->ucMinimumPWMLimit;
1008
1009                 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainEdge
1010                         = le16_to_cpu(fiji_fan_table->usFanGainEdge);
1011                 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHotspot
1012                         = le16_to_cpu(fiji_fan_table->usFanGainHotspot);
1013                 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainLiquid
1014                         = le16_to_cpu(fiji_fan_table->usFanGainLiquid);
1015                 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrVddc
1016                         = le16_to_cpu(fiji_fan_table->usFanGainVrVddc);
1017                 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrMvdd
1018                         = le16_to_cpu(fiji_fan_table->usFanGainVrMvdd);
1019                 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainPlx
1020                         = le16_to_cpu(fiji_fan_table->usFanGainPlx);
1021                 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHbm
1022                         = le16_to_cpu(fiji_fan_table->usFanGainHbm);
1023         }
1024
1025         return 0;
1026 }
1027
1028 /**
1029  * Private Function used during initialization.
1030  * Inspect the PowerPlay table for obvious signs of corruption.
1031  * @param hwmgr Pointer to the hardware manager.
1032  * @param powerplay_table Pointer to the PowerPlay Table.
1033  * @exception 2 if the powerplay table is incorrect.
1034  */
1035 static int check_powerplay_tables(
1036                 struct pp_hwmgr *hwmgr,
1037                 const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
1038                 )
1039 {
1040         const ATOM_Tonga_State_Array *state_arrays;
1041
1042         state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)powerplay_table) +
1043                 le16_to_cpu(powerplay_table->usStateArrayOffset));
1044
1045         PP_ASSERT_WITH_CODE((ATOM_Tonga_TABLE_REVISION_TONGA <=
1046                 powerplay_table->sHeader.ucTableFormatRevision),
1047                 "Unsupported PPTable format!", return -1);
1048         PP_ASSERT_WITH_CODE((0 != powerplay_table->usStateArrayOffset),
1049                 "State table is not set!", return -1);
1050         PP_ASSERT_WITH_CODE((0 < powerplay_table->sHeader.usStructureSize),
1051                 "Invalid PowerPlay Table!", return -1);
1052         PP_ASSERT_WITH_CODE((0 < state_arrays->ucNumEntries),
1053                 "Invalid PowerPlay Table!", return -1);
1054
1055         return 0;
1056 }
1057
1058 static int pp_tables_v1_0_initialize(struct pp_hwmgr *hwmgr)
1059 {
1060         int result = 0;
1061         const ATOM_Tonga_POWERPLAYTABLE *powerplay_table;
1062
1063         hwmgr->pptable = kzalloc(sizeof(struct phm_ppt_v1_information), GFP_KERNEL);
1064
1065         PP_ASSERT_WITH_CODE((NULL != hwmgr->pptable),
1066                             "Failed to allocate hwmgr->pptable!", return -ENOMEM);
1067
1068         memset(hwmgr->pptable, 0x00, sizeof(struct phm_ppt_v1_information));
1069
1070         powerplay_table = get_powerplay_table(hwmgr);
1071
1072         PP_ASSERT_WITH_CODE((NULL != powerplay_table),
1073                 "Missing PowerPlay Table!", return -1);
1074
1075         result = check_powerplay_tables(hwmgr, powerplay_table);
1076
1077         PP_ASSERT_WITH_CODE((result == 0),
1078                             "check_powerplay_tables failed", return result);
1079
1080         result = set_platform_caps(hwmgr,
1081                                    le32_to_cpu(powerplay_table->ulPlatformCaps));
1082
1083         PP_ASSERT_WITH_CODE((result == 0),
1084                             "set_platform_caps failed", return result);
1085
1086         result = init_thermal_controller(hwmgr, powerplay_table);
1087
1088         PP_ASSERT_WITH_CODE((result == 0),
1089                             "init_thermal_controller failed", return result);
1090
1091         result = init_over_drive_limits(hwmgr, powerplay_table);
1092
1093         PP_ASSERT_WITH_CODE((result == 0),
1094                             "init_over_drive_limits failed", return result);
1095
1096         result = init_clock_voltage_dependency(hwmgr, powerplay_table);
1097
1098         PP_ASSERT_WITH_CODE((result == 0),
1099                             "init_clock_voltage_dependency failed", return result);
1100
1101         result = init_dpm_2_parameters(hwmgr, powerplay_table);
1102
1103         PP_ASSERT_WITH_CODE((result == 0),
1104                             "init_dpm_2_parameters failed", return result);
1105
1106         return result;
1107 }
1108
1109 static int pp_tables_v1_0_uninitialize(struct pp_hwmgr *hwmgr)
1110 {
1111         struct phm_ppt_v1_information *pp_table_information =
1112                 (struct phm_ppt_v1_information *)(hwmgr->pptable);
1113
1114         kfree(pp_table_information->vdd_dep_on_sclk);
1115         pp_table_information->vdd_dep_on_sclk = NULL;
1116
1117         kfree(pp_table_information->vdd_dep_on_mclk);
1118         pp_table_information->vdd_dep_on_mclk = NULL;
1119
1120         kfree(pp_table_information->valid_mclk_values);
1121         pp_table_information->valid_mclk_values = NULL;
1122
1123         kfree(pp_table_information->valid_sclk_values);
1124         pp_table_information->valid_sclk_values = NULL;
1125
1126         kfree(pp_table_information->vddc_lookup_table);
1127         pp_table_information->vddc_lookup_table = NULL;
1128
1129         kfree(pp_table_information->vddgfx_lookup_table);
1130         pp_table_information->vddgfx_lookup_table = NULL;
1131
1132         kfree(pp_table_information->mm_dep_table);
1133         pp_table_information->mm_dep_table = NULL;
1134
1135         kfree(pp_table_information->cac_dtp_table);
1136         pp_table_information->cac_dtp_table = NULL;
1137
1138         kfree(hwmgr->dyn_state.cac_dtp_table);
1139         hwmgr->dyn_state.cac_dtp_table = NULL;
1140
1141         kfree(pp_table_information->ppm_parameter_table);
1142         pp_table_information->ppm_parameter_table = NULL;
1143
1144         kfree(pp_table_information->pcie_table);
1145         pp_table_information->pcie_table = NULL;
1146
1147         kfree(pp_table_information->gpio_table);
1148         pp_table_information->gpio_table = NULL;
1149
1150         kfree(hwmgr->pptable);
1151         hwmgr->pptable = NULL;
1152
1153         return 0;
1154 }
1155
1156 const struct pp_table_func pptable_v1_0_funcs = {
1157         .pptable_init = pp_tables_v1_0_initialize,
1158         .pptable_fini = pp_tables_v1_0_uninitialize,
1159 };
1160
1161 int get_number_of_powerplay_table_entries_v1_0(struct pp_hwmgr *hwmgr)
1162 {
1163         ATOM_Tonga_State_Array const *state_arrays;
1164         const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
1165
1166         PP_ASSERT_WITH_CODE((NULL != pp_table),
1167                         "Missing PowerPlay Table!", return -1);
1168         PP_ASSERT_WITH_CODE((pp_table->sHeader.ucTableFormatRevision >=
1169                         ATOM_Tonga_TABLE_REVISION_TONGA),
1170                         "Incorrect PowerPlay table revision!", return -1);
1171
1172         state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)pp_table) +
1173                         le16_to_cpu(pp_table->usStateArrayOffset));
1174
1175         return (uint32_t)(state_arrays->ucNumEntries);
1176 }
1177
1178 /**
1179 * Private function to convert flags stored in the BIOS to software flags in PowerPlay.
1180 */
1181 static uint32_t make_classification_flags(struct pp_hwmgr *hwmgr,
1182                 uint16_t classification, uint16_t classification2)
1183 {
1184         uint32_t result = 0;
1185
1186         if (classification & ATOM_PPLIB_CLASSIFICATION_BOOT)
1187                 result |= PP_StateClassificationFlag_Boot;
1188
1189         if (classification & ATOM_PPLIB_CLASSIFICATION_THERMAL)
1190                 result |= PP_StateClassificationFlag_Thermal;
1191
1192         if (classification & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE)
1193                 result |= PP_StateClassificationFlag_LimitedPowerSource;
1194
1195         if (classification & ATOM_PPLIB_CLASSIFICATION_REST)
1196                 result |= PP_StateClassificationFlag_Rest;
1197
1198         if (classification & ATOM_PPLIB_CLASSIFICATION_FORCED)
1199                 result |= PP_StateClassificationFlag_Forced;
1200
1201         if (classification & ATOM_PPLIB_CLASSIFICATION_ACPI)
1202                 result |= PP_StateClassificationFlag_ACPI;
1203
1204         if (classification2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2)
1205                 result |= PP_StateClassificationFlag_LimitedPowerSource_2;
1206
1207         return result;
1208 }
1209
1210 static int ppt_get_num_of_vce_state_table_entries_v1_0(struct pp_hwmgr *hwmgr)
1211 {
1212         const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
1213         const ATOM_Tonga_VCE_State_Table *vce_state_table;
1214
1215
1216         if (pp_table == NULL)
1217                 return 0;
1218
1219         vce_state_table = (void *)pp_table +
1220                         le16_to_cpu(pp_table->usVCEStateTableOffset);
1221
1222         return vce_state_table->ucNumEntries;
1223 }
1224
1225 static int ppt_get_vce_state_table_entry_v1_0(struct pp_hwmgr *hwmgr, uint32_t i,
1226                 struct amd_vce_state *vce_state, void **clock_info, uint32_t *flag)
1227 {
1228         const ATOM_Tonga_VCE_State_Record *vce_state_record;
1229         ATOM_Tonga_SCLK_Dependency_Record *sclk_dep_record;
1230         ATOM_Tonga_MCLK_Dependency_Record *mclk_dep_record;
1231         ATOM_Tonga_MM_Dependency_Record *mm_dep_record;
1232         const ATOM_Tonga_POWERPLAYTABLE *pptable = get_powerplay_table(hwmgr);
1233         const ATOM_Tonga_VCE_State_Table *vce_state_table = (ATOM_Tonga_VCE_State_Table *)(((unsigned long)pptable)
1234                                                           + le16_to_cpu(pptable->usVCEStateTableOffset));
1235         const ATOM_Tonga_SCLK_Dependency_Table *sclk_dep_table = (ATOM_Tonga_SCLK_Dependency_Table *)(((unsigned long)pptable)
1236                                                           + le16_to_cpu(pptable->usSclkDependencyTableOffset));
1237         const ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table = (ATOM_Tonga_MCLK_Dependency_Table *)(((unsigned long)pptable)
1238                                                           + le16_to_cpu(pptable->usMclkDependencyTableOffset));
1239         const ATOM_Tonga_MM_Dependency_Table *mm_dep_table = (ATOM_Tonga_MM_Dependency_Table *)(((unsigned long)pptable)
1240                                                           + le16_to_cpu(pptable->usMMDependencyTableOffset));
1241
1242         PP_ASSERT_WITH_CODE((i < vce_state_table->ucNumEntries),
1243                          "Requested state entry ID is out of range!",
1244                          return -EINVAL);
1245
1246         vce_state_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1247                                         ATOM_Tonga_VCE_State_Record,
1248                                         entries, vce_state_table, i);
1249         sclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1250                                         ATOM_Tonga_SCLK_Dependency_Record,
1251                                         entries, sclk_dep_table,
1252                                         vce_state_record->ucSCLKIndex);
1253         mm_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1254                                         ATOM_Tonga_MM_Dependency_Record,
1255                                         entries, mm_dep_table,
1256                                         vce_state_record->ucVCEClockIndex);
1257         *flag = vce_state_record->ucFlag;
1258
1259         vce_state->evclk = le32_to_cpu(mm_dep_record->ulEClk);
1260         vce_state->ecclk = le32_to_cpu(mm_dep_record->ulEClk);
1261         vce_state->sclk = le32_to_cpu(sclk_dep_record->ulSclk);
1262
1263         if (vce_state_record->ucMCLKIndex >= mclk_dep_table->ucNumEntries)
1264                 mclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1265                                         ATOM_Tonga_MCLK_Dependency_Record,
1266                                         entries, mclk_dep_table,
1267                                         mclk_dep_table->ucNumEntries - 1);
1268         else
1269                 mclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1270                                         ATOM_Tonga_MCLK_Dependency_Record,
1271                                         entries, mclk_dep_table,
1272                                         vce_state_record->ucMCLKIndex);
1273
1274         vce_state->mclk = le32_to_cpu(mclk_dep_record->ulMclk);
1275         return 0;
1276 }
1277
1278 /**
1279 * Create a Power State out of an entry in the PowerPlay table.
1280 * This function is called by the hardware back-end.
1281 * @param hwmgr Pointer to the hardware manager.
1282 * @param entry_index The index of the entry to be extracted from the table.
1283 * @param power_state The address of the PowerState instance being created.
1284 * @return -1 if the entry cannot be retrieved.
1285 */
1286 int get_powerplay_table_entry_v1_0(struct pp_hwmgr *hwmgr,
1287                 uint32_t entry_index, struct pp_power_state *power_state,
1288                 int (*call_back_func)(struct pp_hwmgr *, void *,
1289                                 struct pp_power_state *, void *, uint32_t))
1290 {
1291         int result = 0;
1292         const ATOM_Tonga_State_Array *state_arrays;
1293         const ATOM_Tonga_State *state_entry;
1294         const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
1295         int i, j;
1296         uint32_t flags = 0;
1297
1298         PP_ASSERT_WITH_CODE((NULL != pp_table), "Missing PowerPlay Table!", return -1;);
1299         power_state->classification.bios_index = entry_index;
1300
1301         if (pp_table->sHeader.ucTableFormatRevision >=
1302                         ATOM_Tonga_TABLE_REVISION_TONGA) {
1303                 state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)pp_table) +
1304                                 le16_to_cpu(pp_table->usStateArrayOffset));
1305
1306                 PP_ASSERT_WITH_CODE((0 < pp_table->usStateArrayOffset),
1307                                 "Invalid PowerPlay Table State Array Offset.", return -1);
1308                 PP_ASSERT_WITH_CODE((0 < state_arrays->ucNumEntries),
1309                                 "Invalid PowerPlay Table State Array.", return -1);
1310                 PP_ASSERT_WITH_CODE((entry_index <= state_arrays->ucNumEntries),
1311                                 "Invalid PowerPlay Table State Array Entry.", return -1);
1312
1313                 state_entry = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1314                                                 ATOM_Tonga_State, entries,
1315                                                 state_arrays, entry_index);
1316
1317                 result = call_back_func(hwmgr, (void *)state_entry, power_state,
1318                                 (void *)pp_table,
1319                                 make_classification_flags(hwmgr,
1320                                         le16_to_cpu(state_entry->usClassification),
1321                                         le16_to_cpu(state_entry->usClassification2)));
1322         }
1323
1324         if (!result && (power_state->classification.flags &
1325                         PP_StateClassificationFlag_Boot))
1326                 result = hwmgr->hwmgr_func->patch_boot_state(hwmgr, &(power_state->hardware));
1327
1328         hwmgr->num_vce_state_tables = i = ppt_get_num_of_vce_state_table_entries_v1_0(hwmgr);
1329
1330         if ((i != 0) && (i <= AMD_MAX_VCE_LEVELS)) {
1331                 for (j = 0; j < i; j++)
1332                         ppt_get_vce_state_table_entry_v1_0(hwmgr, j, &(hwmgr->vce_states[j]), NULL, &flags);
1333         }
1334
1335         return result;
1336 }
1337