sys/dev/drm/amd/powerplay/hwmgr/vega12_processpptables.c

   1 /*
   2  * Copyright 2017 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 <linux/module.h>
  24 #include <linux/slab.h>
  25 #include <linux/fb.h>
  26
  27 #include "vega12/smu9_driver_if.h"
  28 #include "vega12_processpptables.h"
  29 #include "ppatomfwctrl.h"
  30 #include "atomfirmware.h"
  31 #include "pp_debug.h"
  32 #include "cgs_common.h"
  33 #include "vega12_pptable.h"
  34
  35 static void set_hw_cap(struct pp_hwmgr *hwmgr, bool enable,
  36                 enum phm_platform_caps cap)
  37 {
  38         if (enable)
  39                 phm_cap_set(hwmgr->platform_descriptor.platformCaps, cap);
  40         else
  41                 phm_cap_unset(hwmgr->platform_descriptor.platformCaps, cap);
  42 }
  43
  44 static const void *get_powerplay_table(struct pp_hwmgr *hwmgr)
  45 {
  46         int index = GetIndexIntoMasterDataTable(powerplayinfo);
  47
  48         u16 size;
  49         u8 frev, crev;
  50         const void *table_address = hwmgr->soft_pp_table;
  51
  52         if (!table_address) {
  53                 table_address = (ATOM_Vega12_POWERPLAYTABLE *)
  54                                 smu_atom_get_data_table(hwmgr->adev, index,
  55                                                 &size, &frev, &crev);
  56
  57                 hwmgr->soft_pp_table = table_address;   /*Cache the result in RAM.*/
  58                 hwmgr->soft_pp_table_size = size;
  59         }
  60
  61         return table_address;
  62 }
  63
  64 static int check_powerplay_tables(
  65                 struct pp_hwmgr *hwmgr,
  66                 const ATOM_Vega12_POWERPLAYTABLE *powerplay_table)
  67 {
  68         PP_ASSERT_WITH_CODE((powerplay_table->sHeader.format_revision >=
  69                 ATOM_VEGA12_TABLE_REVISION_VEGA12),
  70                 "Unsupported PPTable format!", return -1);
  71         PP_ASSERT_WITH_CODE(powerplay_table->sHeader.structuresize > 0,
  72                 "Invalid PowerPlay Table!", return -1);
  73
  74         return 0;
  75 }
  76
  77 static int set_platform_caps(struct pp_hwmgr *hwmgr, uint32_t powerplay_caps)
  78 {
  79         set_hw_cap(
  80                         hwmgr,
  81                         0 != (powerplay_caps & ATOM_VEGA12_PP_PLATFORM_CAP_POWERPLAY),
  82                         PHM_PlatformCaps_PowerPlaySupport);
  83
  84         set_hw_cap(
  85                         hwmgr,
  86                         0 != (powerplay_caps & ATOM_VEGA12_PP_PLATFORM_CAP_SBIOSPOWERSOURCE),
  87                         PHM_PlatformCaps_BiosPowerSourceControl);
  88
  89         set_hw_cap(
  90                         hwmgr,
  91                         0 != (powerplay_caps & ATOM_VEGA12_PP_PLATFORM_CAP_BACO),
  92                         PHM_PlatformCaps_BACO);
  93
  94         set_hw_cap(
  95                         hwmgr,
  96                         0 != (powerplay_caps & ATOM_VEGA12_PP_PLATFORM_CAP_BAMACO),
  97                          PHM_PlatformCaps_BAMACO);
  98
  99         return 0;
 100 }
 101
 102 static int copy_clock_limits_array(
 103         struct pp_hwmgr *hwmgr,
 104         uint32_t **pptable_info_array,
 105         const uint32_t *pptable_array)
 106 {
 107         uint32_t array_size, i;
 108         uint32_t *table;
 109
 110         array_size = sizeof(uint32_t) * ATOM_VEGA12_PPCLOCK_COUNT;
 111
 112         table = kzalloc(array_size, GFP_KERNEL);
 113         if (NULL == table)
 114                 return -ENOMEM;
 115
 116         for (i = 0; i < ATOM_VEGA12_PPCLOCK_COUNT; i++)
 117                 table[i] = pptable_array[i];
 118
 119         *pptable_info_array = table;
 120
 121         return 0;
 122 }
 123
 124 static int copy_overdrive_settings_limits_array(
 125                 struct pp_hwmgr *hwmgr,
 126                 uint32_t **pptable_info_array,
 127                 const uint32_t *pptable_array)
 128 {
 129         uint32_t array_size, i;
 130         uint32_t *table;
 131
 132         array_size = sizeof(uint32_t) * ATOM_VEGA12_ODSETTING_COUNT;
 133
 134         table = kzalloc(array_size, GFP_KERNEL);
 135         if (NULL == table)
 136                 return -ENOMEM;
 137
 138         for (i = 0; i < ATOM_VEGA12_ODSETTING_COUNT; i++)
 139                 table[i] = pptable_array[i];
 140
 141         *pptable_info_array = table;
 142
 143         return 0;
 144 }
 145
 146 static int append_vbios_pptable(struct pp_hwmgr *hwmgr, PPTable_t *ppsmc_pptable)
 147 {
 148         struct pp_atomfwctrl_smc_dpm_parameters smc_dpm_table;
 149
 150         PP_ASSERT_WITH_CODE(
 151                 pp_atomfwctrl_get_smc_dpm_information(hwmgr, &smc_dpm_table) == 0,
 152                 "[appendVbiosPPTable] Failed to retrieve Smc Dpm Table from VBIOS!",
 153                 return -1);
 154
 155         ppsmc_pptable->Liquid1_I2C_address = smc_dpm_table.liquid1_i2c_address;
 156         ppsmc_pptable->Liquid2_I2C_address = smc_dpm_table.liquid2_i2c_address;
 157         ppsmc_pptable->Vr_I2C_address = smc_dpm_table.vr_i2c_address;
 158         ppsmc_pptable->Plx_I2C_address = smc_dpm_table.plx_i2c_address;
 159
 160         ppsmc_pptable->Liquid_I2C_LineSCL = smc_dpm_table.liquid_i2c_linescl;
 161         ppsmc_pptable->Liquid_I2C_LineSDA = smc_dpm_table.liquid_i2c_linesda;
 162         ppsmc_pptable->Vr_I2C_LineSCL = smc_dpm_table.vr_i2c_linescl;
 163         ppsmc_pptable->Vr_I2C_LineSDA = smc_dpm_table.vr_i2c_linesda;
 164
 165         ppsmc_pptable->Plx_I2C_LineSCL = smc_dpm_table.plx_i2c_linescl;
 166         ppsmc_pptable->Plx_I2C_LineSDA = smc_dpm_table.plx_i2c_linesda;
 167         ppsmc_pptable->VrSensorPresent = smc_dpm_table.vrsensorpresent;
 168         ppsmc_pptable->LiquidSensorPresent = smc_dpm_table.liquidsensorpresent;
 169
 170         ppsmc_pptable->MaxVoltageStepGfx = smc_dpm_table.maxvoltagestepgfx;
 171         ppsmc_pptable->MaxVoltageStepSoc = smc_dpm_table.maxvoltagestepsoc;
 172
 173         ppsmc_pptable->VddGfxVrMapping = smc_dpm_table.vddgfxvrmapping;
 174         ppsmc_pptable->VddSocVrMapping = smc_dpm_table.vddsocvrmapping;
 175         ppsmc_pptable->VddMem0VrMapping = smc_dpm_table.vddmem0vrmapping;
 176         ppsmc_pptable->VddMem1VrMapping = smc_dpm_table.vddmem1vrmapping;
 177
 178         ppsmc_pptable->GfxUlvPhaseSheddingMask = smc_dpm_table.gfxulvphasesheddingmask;
 179         ppsmc_pptable->SocUlvPhaseSheddingMask = smc_dpm_table.soculvphasesheddingmask;
 180
 181         ppsmc_pptable->GfxMaxCurrent = smc_dpm_table.gfxmaxcurrent;
 182         ppsmc_pptable->GfxOffset = smc_dpm_table.gfxoffset;
 183         ppsmc_pptable->Padding_TelemetryGfx = smc_dpm_table.padding_telemetrygfx;
 184
 185         ppsmc_pptable->SocMaxCurrent = smc_dpm_table.socmaxcurrent;
 186         ppsmc_pptable->SocOffset = smc_dpm_table.socoffset;
 187         ppsmc_pptable->Padding_TelemetrySoc = smc_dpm_table.padding_telemetrysoc;
 188
 189         ppsmc_pptable->Mem0MaxCurrent = smc_dpm_table.mem0maxcurrent;
 190         ppsmc_pptable->Mem0Offset = smc_dpm_table.mem0offset;
 191         ppsmc_pptable->Padding_TelemetryMem0 = smc_dpm_table.padding_telemetrymem0;
 192
 193         ppsmc_pptable->Mem1MaxCurrent = smc_dpm_table.mem1maxcurrent;
 194         ppsmc_pptable->Mem1Offset = smc_dpm_table.mem1offset;
 195         ppsmc_pptable->Padding_TelemetryMem1 = smc_dpm_table.padding_telemetrymem1;
 196
 197         ppsmc_pptable->AcDcGpio = smc_dpm_table.acdcgpio;
 198         ppsmc_pptable->AcDcPolarity = smc_dpm_table.acdcpolarity;
 199         ppsmc_pptable->VR0HotGpio = smc_dpm_table.vr0hotgpio;
 200         ppsmc_pptable->VR0HotPolarity = smc_dpm_table.vr0hotpolarity;
 201
 202         ppsmc_pptable->VR1HotGpio = smc_dpm_table.vr1hotgpio;
 203         ppsmc_pptable->VR1HotPolarity = smc_dpm_table.vr1hotpolarity;
 204         ppsmc_pptable->Padding1 = smc_dpm_table.padding1;
 205         ppsmc_pptable->Padding2 = smc_dpm_table.padding2;
 206
 207         ppsmc_pptable->LedPin0 = smc_dpm_table.ledpin0;
 208         ppsmc_pptable->LedPin1 = smc_dpm_table.ledpin1;
 209         ppsmc_pptable->LedPin2 = smc_dpm_table.ledpin2;
 210
 211         ppsmc_pptable->PllGfxclkSpreadEnabled = smc_dpm_table.pllgfxclkspreadenabled;
 212         ppsmc_pptable->PllGfxclkSpreadPercent = smc_dpm_table.pllgfxclkspreadpercent;
 213         ppsmc_pptable->PllGfxclkSpreadFreq = smc_dpm_table.pllgfxclkspreadfreq;
 214
 215         ppsmc_pptable->UclkSpreadEnabled = 0;
 216         ppsmc_pptable->UclkSpreadPercent = smc_dpm_table.uclkspreadpercent;
 217         ppsmc_pptable->UclkSpreadFreq = smc_dpm_table.uclkspreadfreq;
 218
 219         ppsmc_pptable->SocclkSpreadEnabled = 0;
 220         ppsmc_pptable->SocclkSpreadPercent = smc_dpm_table.socclkspreadpercent;
 221         ppsmc_pptable->SocclkSpreadFreq = smc_dpm_table.socclkspreadfreq;
 222
 223         ppsmc_pptable->AcgGfxclkSpreadEnabled = smc_dpm_table.acggfxclkspreadenabled;
 224         ppsmc_pptable->AcgGfxclkSpreadPercent = smc_dpm_table.acggfxclkspreadpercent;
 225         ppsmc_pptable->AcgGfxclkSpreadFreq = smc_dpm_table.acggfxclkspreadfreq;
 226
 227         ppsmc_pptable->Vr2_I2C_address = smc_dpm_table.Vr2_I2C_address;
 228
 229         ppsmc_pptable->Vr2_I2C_address = smc_dpm_table.Vr2_I2C_address;
 230
 231         return 0;
 232 }
 233
 234 #define VEGA12_ENGINECLOCK_HARDMAX 198000
 235 static int init_powerplay_table_information(
 236                 struct pp_hwmgr *hwmgr,
 237                 const ATOM_Vega12_POWERPLAYTABLE *powerplay_table)
 238 {
 239         struct phm_ppt_v3_information *pptable_information =
 240                 (struct phm_ppt_v3_information *)hwmgr->pptable;
 241         uint32_t disable_power_control = 0;
 242         int result;
 243
 244         hwmgr->thermal_controller.ucType = powerplay_table->ucThermalControllerType;
 245         pptable_information->uc_thermal_controller_type = powerplay_table->ucThermalControllerType;
 246
 247         set_hw_cap(hwmgr,
 248                 ATOM_VEGA12_PP_THERMALCONTROLLER_NONE != hwmgr->thermal_controller.ucType,
 249                 PHM_PlatformCaps_ThermalController);
 250
 251         phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl);
 252
 253         if (powerplay_table->ODSettingsMax[ATOM_VEGA12_ODSETTING_GFXCLKFMAX] > VEGA12_ENGINECLOCK_HARDMAX)
 254                 hwmgr->platform_descriptor.overdriveLimit.engineClock = VEGA12_ENGINECLOCK_HARDMAX;
 255         else
 256                 hwmgr->platform_descriptor.overdriveLimit.engineClock = powerplay_table->ODSettingsMax[ATOM_VEGA12_ODSETTING_GFXCLKFMAX];
 257         hwmgr->platform_descriptor.overdriveLimit.memoryClock = powerplay_table->ODSettingsMax[ATOM_VEGA12_ODSETTING_UCLKFMAX];
 258
 259         copy_overdrive_settings_limits_array(hwmgr, &pptable_information->od_settings_max, powerplay_table->ODSettingsMax);
 260         copy_overdrive_settings_limits_array(hwmgr, &pptable_information->od_settings_min, powerplay_table->ODSettingsMin);
 261
 262         /* hwmgr->platformDescriptor.minOverdriveVDDC = 0;
 263         hwmgr->platformDescriptor.maxOverdriveVDDC = 0;
 264         hwmgr->platformDescriptor.overdriveVDDCStep = 0; */
 265
 266         if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0
 267                 && hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0)
 268                 phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ACOverdriveSupport);
 269
 270         pptable_information->us_small_power_limit1 = powerplay_table->usSmallPowerLimit1;
 271         pptable_information->us_small_power_limit2 = powerplay_table->usSmallPowerLimit2;
 272         pptable_information->us_boost_power_limit = powerplay_table->usBoostPowerLimit;
 273         pptable_information->us_od_turbo_power_limit = powerplay_table->usODTurboPowerLimit;
 274         pptable_information->us_od_powersave_power_limit = powerplay_table->usODPowerSavePowerLimit;
 275
 276         pptable_information->us_software_shutdown_temp = powerplay_table->usSoftwareShutdownTemp;
 277
 278         hwmgr->platform_descriptor.TDPODLimit = (uint16_t)powerplay_table->ODSettingsMax[ATOM_VEGA12_ODSETTING_POWERPERCENTAGE];
 279
 280         disable_power_control = 0;
 281         if (!disable_power_control) {
 282                 /* enable TDP overdrive (PowerControl) feature as well if supported */
 283                 if (hwmgr->platform_descriptor.TDPODLimit)
 284                         phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 285                                 PHM_PlatformCaps_PowerControl);
 286         }
 287
 288         copy_clock_limits_array(hwmgr, &pptable_information->power_saving_clock_max, powerplay_table->PowerSavingClockMax);
 289         copy_clock_limits_array(hwmgr, &pptable_information->power_saving_clock_min, powerplay_table->PowerSavingClockMin);
 290
 291         pptable_information->smc_pptable = (PPTable_t *)kmalloc(sizeof(PPTable_t), GFP_KERNEL);
 292         if (pptable_information->smc_pptable == NULL)
 293                 return -ENOMEM;
 294
 295         memcpy(pptable_information->smc_pptable, &(powerplay_table->smcPPTable), sizeof(PPTable_t));
 296
 297         result = append_vbios_pptable(hwmgr, (pptable_information->smc_pptable));
 298
 299         return result;
 300 }
 301
 302 int vega12_pp_tables_initialize(struct pp_hwmgr *hwmgr)
 303 {
 304         int result = 0;
 305         const ATOM_Vega12_POWERPLAYTABLE *powerplay_table;
 306
 307         hwmgr->pptable = kzalloc(sizeof(struct phm_ppt_v3_information), GFP_KERNEL);
 308         PP_ASSERT_WITH_CODE((hwmgr->pptable != NULL),
 309                 "Failed to allocate hwmgr->pptable!", return -ENOMEM);
 310
 311         powerplay_table = get_powerplay_table(hwmgr);
 312         PP_ASSERT_WITH_CODE((powerplay_table != NULL),
 313                 "Missing PowerPlay Table!", return -1);
 314
 315         result = check_powerplay_tables(hwmgr, powerplay_table);
 316         PP_ASSERT_WITH_CODE((result == 0),
 317                 "check_powerplay_tables failed", return result);
 318
 319         result = set_platform_caps(hwmgr,
 320                         le32_to_cpu(powerplay_table->ulPlatformCaps));
 321         PP_ASSERT_WITH_CODE((result == 0),
 322                 "set_platform_caps failed", return result);
 323
 324         result = init_powerplay_table_information(hwmgr, powerplay_table);
 325         PP_ASSERT_WITH_CODE((result == 0),
 326                 "init_powerplay_table_information failed", return result);
 327
 328         return result;
 329 }
 330
 331 static int vega12_pp_tables_uninitialize(struct pp_hwmgr *hwmgr)
 332 {
 333         struct phm_ppt_v3_information *pp_table_info =
 334                         (struct phm_ppt_v3_information *)(hwmgr->pptable);
 335
 336         kfree(pp_table_info->power_saving_clock_max);
 337         pp_table_info->power_saving_clock_max = NULL;
 338
 339         kfree(pp_table_info->power_saving_clock_min);
 340         pp_table_info->power_saving_clock_min = NULL;
 341
 342         kfree(pp_table_info->od_settings_max);
 343         pp_table_info->od_settings_max = NULL;
 344
 345         kfree(pp_table_info->od_settings_min);
 346         pp_table_info->od_settings_min = NULL;
 347
 348         kfree(pp_table_info->smc_pptable);
 349         pp_table_info->smc_pptable = NULL;
 350
 351         kfree(hwmgr->pptable);
 352         hwmgr->pptable = NULL;
 353
 354         return 0;
 355 }
 356
 357 const struct pp_table_func vega12_pptable_funcs = {
 358         .pptable_init = vega12_pp_tables_initialize,
 359         .pptable_fini = vega12_pp_tables_uninitialize,
 360 };
 361
 362 #if 0
 363 static uint32_t make_classification_flags(struct pp_hwmgr *hwmgr,
 364                 uint16_t classification, uint16_t classification2)
 365 {
 366         uint32_t result = 0;
 367
 368         if (classification & ATOM_PPLIB_CLASSIFICATION_BOOT)
 369                 result |= PP_StateClassificationFlag_Boot;
 370
 371         if (classification & ATOM_PPLIB_CLASSIFICATION_THERMAL)
 372                 result |= PP_StateClassificationFlag_Thermal;
 373
 374         if (classification & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE)
 375                 result |= PP_StateClassificationFlag_LimitedPowerSource;
 376
 377         if (classification & ATOM_PPLIB_CLASSIFICATION_REST)
 378                 result |= PP_StateClassificationFlag_Rest;
 379
 380         if (classification & ATOM_PPLIB_CLASSIFICATION_FORCED)
 381                 result |= PP_StateClassificationFlag_Forced;
 382
 383         if (classification & ATOM_PPLIB_CLASSIFICATION_ACPI)
 384                 result |= PP_StateClassificationFlag_ACPI;
 385
 386         if (classification2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2)
 387                 result |= PP_StateClassificationFlag_LimitedPowerSource_2;
 388
 389         return result;
 390 }
 391
 392 int vega12_get_powerplay_table_entry(struct pp_hwmgr *hwmgr,
 393                 uint32_t entry_index, struct pp_power_state *power_state,
 394                 int (*call_back_func)(struct pp_hwmgr *, void *,
 395                                 struct pp_power_state *, void *, uint32_t))
 396 {
 397         int result = 0;
 398         const ATOM_Vega12_State_Array *state_arrays;
 399         const ATOM_Vega12_State *state_entry;
 400         const ATOM_Vega12_POWERPLAYTABLE *pp_table =
 401                         get_powerplay_table(hwmgr);
 402
 403         PP_ASSERT_WITH_CODE(pp_table, "Missing PowerPlay Table!",
 404                         return -1;);
 405         power_state->classification.bios_index = entry_index;
 406
 407         if (pp_table->sHeader.format_revision >=
 408                         ATOM_Vega12_TABLE_REVISION_VEGA12) {
 409                 state_arrays = (ATOM_Vega12_State_Array *)
 410                                 (((unsigned long)pp_table) +
 411                                 le16_to_cpu(pp_table->usStateArrayOffset));
 412
 413                 PP_ASSERT_WITH_CODE(pp_table->usStateArrayOffset > 0,
 414                                 "Invalid PowerPlay Table State Array Offset.",
 415                                 return -1);
 416                 PP_ASSERT_WITH_CODE(state_arrays->ucNumEntries > 0,
 417                                 "Invalid PowerPlay Table State Array.",
 418                                 return -1);
 419                 PP_ASSERT_WITH_CODE((entry_index <= state_arrays->ucNumEntries),
 420                                 "Invalid PowerPlay Table State Array Entry.",
 421                                 return -1);
 422
 423                 state_entry = &(state_arrays->states[entry_index]);
 424
 425                 result = call_back_func(hwmgr, (void *)state_entry, power_state,
 426                                 (void *)pp_table,
 427                                 make_classification_flags(hwmgr,
 428                                         le16_to_cpu(state_entry->usClassification),
 429                                         le16_to_cpu(state_entry->usClassification2)));
 430         }
 431
 432         if (!result && (power_state->classification.flags &
 433                         PP_StateClassificationFlag_Boot))
 434                 result = hwmgr->hwmgr_func->patch_boot_state(hwmgr, &(power_state->hardware));
 435
 436         return result;
 437 }
 438 #endif