linux/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_processpptables.c
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   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
  35static 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
  44static 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
  64static 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
  77static 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
 102static int append_vbios_pptable(struct pp_hwmgr *hwmgr, PPTable_t *ppsmc_pptable)
 103{
 104        struct pp_atomfwctrl_smc_dpm_parameters smc_dpm_table;
 105
 106        PP_ASSERT_WITH_CODE(
 107                pp_atomfwctrl_get_smc_dpm_information(hwmgr, &smc_dpm_table) == 0,
 108                "[appendVbiosPPTable] Failed to retrieve Smc Dpm Table from VBIOS!",
 109                return -1);
 110
 111        ppsmc_pptable->Liquid1_I2C_address = smc_dpm_table.liquid1_i2c_address;
 112        ppsmc_pptable->Liquid2_I2C_address = smc_dpm_table.liquid2_i2c_address;
 113        ppsmc_pptable->Vr_I2C_address = smc_dpm_table.vr_i2c_address;
 114        ppsmc_pptable->Plx_I2C_address = smc_dpm_table.plx_i2c_address;
 115
 116        ppsmc_pptable->Liquid_I2C_LineSCL = smc_dpm_table.liquid_i2c_linescl;
 117        ppsmc_pptable->Liquid_I2C_LineSDA = smc_dpm_table.liquid_i2c_linesda;
 118        ppsmc_pptable->Vr_I2C_LineSCL = smc_dpm_table.vr_i2c_linescl;
 119        ppsmc_pptable->Vr_I2C_LineSDA = smc_dpm_table.vr_i2c_linesda;
 120
 121        ppsmc_pptable->Plx_I2C_LineSCL = smc_dpm_table.plx_i2c_linescl;
 122        ppsmc_pptable->Plx_I2C_LineSDA = smc_dpm_table.plx_i2c_linesda;
 123        ppsmc_pptable->VrSensorPresent = smc_dpm_table.vrsensorpresent;
 124        ppsmc_pptable->LiquidSensorPresent = smc_dpm_table.liquidsensorpresent;
 125
 126        ppsmc_pptable->MaxVoltageStepGfx = smc_dpm_table.maxvoltagestepgfx;
 127        ppsmc_pptable->MaxVoltageStepSoc = smc_dpm_table.maxvoltagestepsoc;
 128
 129        ppsmc_pptable->VddGfxVrMapping = smc_dpm_table.vddgfxvrmapping;
 130        ppsmc_pptable->VddSocVrMapping = smc_dpm_table.vddsocvrmapping;
 131        ppsmc_pptable->VddMem0VrMapping = smc_dpm_table.vddmem0vrmapping;
 132        ppsmc_pptable->VddMem1VrMapping = smc_dpm_table.vddmem1vrmapping;
 133
 134        ppsmc_pptable->GfxUlvPhaseSheddingMask = smc_dpm_table.gfxulvphasesheddingmask;
 135        ppsmc_pptable->SocUlvPhaseSheddingMask = smc_dpm_table.soculvphasesheddingmask;
 136
 137        ppsmc_pptable->GfxMaxCurrent = smc_dpm_table.gfxmaxcurrent;
 138        ppsmc_pptable->GfxOffset = smc_dpm_table.gfxoffset;
 139        ppsmc_pptable->Padding_TelemetryGfx = smc_dpm_table.padding_telemetrygfx;
 140
 141        ppsmc_pptable->SocMaxCurrent = smc_dpm_table.socmaxcurrent;
 142        ppsmc_pptable->SocOffset = smc_dpm_table.socoffset;
 143        ppsmc_pptable->Padding_TelemetrySoc = smc_dpm_table.padding_telemetrysoc;
 144
 145        ppsmc_pptable->Mem0MaxCurrent = smc_dpm_table.mem0maxcurrent;
 146        ppsmc_pptable->Mem0Offset = smc_dpm_table.mem0offset;
 147        ppsmc_pptable->Padding_TelemetryMem0 = smc_dpm_table.padding_telemetrymem0;
 148
 149        ppsmc_pptable->Mem1MaxCurrent = smc_dpm_table.mem1maxcurrent;
 150        ppsmc_pptable->Mem1Offset = smc_dpm_table.mem1offset;
 151        ppsmc_pptable->Padding_TelemetryMem1 = smc_dpm_table.padding_telemetrymem1;
 152
 153        ppsmc_pptable->AcDcGpio = smc_dpm_table.acdcgpio;
 154        ppsmc_pptable->AcDcPolarity = smc_dpm_table.acdcpolarity;
 155        ppsmc_pptable->VR0HotGpio = smc_dpm_table.vr0hotgpio;
 156        ppsmc_pptable->VR0HotPolarity = smc_dpm_table.vr0hotpolarity;
 157
 158        ppsmc_pptable->VR1HotGpio = smc_dpm_table.vr1hotgpio;
 159        ppsmc_pptable->VR1HotPolarity = smc_dpm_table.vr1hotpolarity;
 160        ppsmc_pptable->Padding1 = smc_dpm_table.padding1;
 161        ppsmc_pptable->Padding2 = smc_dpm_table.padding2;
 162
 163        ppsmc_pptable->LedPin0 = smc_dpm_table.ledpin0;
 164        ppsmc_pptable->LedPin1 = smc_dpm_table.ledpin1;
 165        ppsmc_pptable->LedPin2 = smc_dpm_table.ledpin2;
 166
 167        ppsmc_pptable->PllGfxclkSpreadEnabled = smc_dpm_table.pllgfxclkspreadenabled;
 168        ppsmc_pptable->PllGfxclkSpreadPercent = smc_dpm_table.pllgfxclkspreadpercent;
 169        ppsmc_pptable->PllGfxclkSpreadFreq = smc_dpm_table.pllgfxclkspreadfreq;
 170
 171        ppsmc_pptable->UclkSpreadEnabled = 0;
 172        ppsmc_pptable->UclkSpreadPercent = smc_dpm_table.uclkspreadpercent;
 173        ppsmc_pptable->UclkSpreadFreq = smc_dpm_table.uclkspreadfreq;
 174
 175        ppsmc_pptable->SocclkSpreadEnabled = 0;
 176        ppsmc_pptable->SocclkSpreadPercent = smc_dpm_table.socclkspreadpercent;
 177        ppsmc_pptable->SocclkSpreadFreq = smc_dpm_table.socclkspreadfreq;
 178
 179        ppsmc_pptable->AcgGfxclkSpreadEnabled = smc_dpm_table.acggfxclkspreadenabled;
 180        ppsmc_pptable->AcgGfxclkSpreadPercent = smc_dpm_table.acggfxclkspreadpercent;
 181        ppsmc_pptable->AcgGfxclkSpreadFreq = smc_dpm_table.acggfxclkspreadfreq;
 182
 183        ppsmc_pptable->Vr2_I2C_address = smc_dpm_table.Vr2_I2C_address;
 184
 185        ppsmc_pptable->Vr2_I2C_address = smc_dpm_table.Vr2_I2C_address;
 186
 187        return 0;
 188}
 189
 190#define VEGA12_ENGINECLOCK_HARDMAX 198000
 191static int init_powerplay_table_information(
 192                struct pp_hwmgr *hwmgr,
 193                const ATOM_Vega12_POWERPLAYTABLE *powerplay_table)
 194{
 195        struct phm_ppt_v3_information *pptable_information =
 196                (struct phm_ppt_v3_information *)hwmgr->pptable;
 197        uint32_t disable_power_control = 0;
 198        int result;
 199
 200        hwmgr->thermal_controller.ucType = powerplay_table->ucThermalControllerType;
 201        pptable_information->uc_thermal_controller_type = powerplay_table->ucThermalControllerType;
 202
 203        set_hw_cap(hwmgr,
 204                ATOM_VEGA12_PP_THERMALCONTROLLER_NONE != hwmgr->thermal_controller.ucType,
 205                PHM_PlatformCaps_ThermalController);
 206
 207        phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl);
 208
 209        if (le32_to_cpu(powerplay_table->ODSettingsMax[ATOM_VEGA12_ODSETTING_GFXCLKFMAX]) > VEGA12_ENGINECLOCK_HARDMAX)
 210                hwmgr->platform_descriptor.overdriveLimit.engineClock = VEGA12_ENGINECLOCK_HARDMAX;
 211        else
 212                hwmgr->platform_descriptor.overdriveLimit.engineClock =
 213                        le32_to_cpu(powerplay_table->ODSettingsMax[ATOM_VEGA12_ODSETTING_GFXCLKFMAX]);
 214        hwmgr->platform_descriptor.overdriveLimit.memoryClock =
 215                le32_to_cpu(powerplay_table->ODSettingsMax[ATOM_VEGA12_ODSETTING_UCLKFMAX]);
 216
 217        phm_copy_overdrive_settings_limits_array(hwmgr,
 218                                                 &pptable_information->od_settings_max,
 219                                                 powerplay_table->ODSettingsMax,
 220                                                 ATOM_VEGA12_ODSETTING_COUNT);
 221        phm_copy_overdrive_settings_limits_array(hwmgr,
 222                                                 &pptable_information->od_settings_min,
 223                                                 powerplay_table->ODSettingsMin,
 224                                                 ATOM_VEGA12_ODSETTING_COUNT);
 225
 226        /* hwmgr->platformDescriptor.minOverdriveVDDC = 0;
 227        hwmgr->platformDescriptor.maxOverdriveVDDC = 0;
 228        hwmgr->platformDescriptor.overdriveVDDCStep = 0; */
 229
 230        if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0
 231                && hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0)
 232                phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ACOverdriveSupport);
 233
 234        pptable_information->us_small_power_limit1 = le16_to_cpu(powerplay_table->usSmallPowerLimit1);
 235        pptable_information->us_small_power_limit2 = le16_to_cpu(powerplay_table->usSmallPowerLimit2);
 236        pptable_information->us_boost_power_limit = le16_to_cpu(powerplay_table->usBoostPowerLimit);
 237        pptable_information->us_od_turbo_power_limit = le16_to_cpu(powerplay_table->usODTurboPowerLimit);
 238        pptable_information->us_od_powersave_power_limit = le16_to_cpu(powerplay_table->usODPowerSavePowerLimit);
 239
 240        pptable_information->us_software_shutdown_temp = le16_to_cpu(powerplay_table->usSoftwareShutdownTemp);
 241
 242        hwmgr->platform_descriptor.TDPODLimit = le32_to_cpu(powerplay_table->ODSettingsMax[ATOM_VEGA12_ODSETTING_POWERPERCENTAGE]);
 243
 244        disable_power_control = 0;
 245        if (!disable_power_control) {
 246                /* enable TDP overdrive (PowerControl) feature as well if supported */
 247                if (hwmgr->platform_descriptor.TDPODLimit)
 248                        phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 249                                PHM_PlatformCaps_PowerControl);
 250        }
 251
 252        phm_copy_clock_limits_array(hwmgr, &pptable_information->power_saving_clock_max, powerplay_table->PowerSavingClockMax, ATOM_VEGA12_PPCLOCK_COUNT);
 253        phm_copy_clock_limits_array(hwmgr, &pptable_information->power_saving_clock_min, powerplay_table->PowerSavingClockMin, ATOM_VEGA12_PPCLOCK_COUNT);
 254
 255        pptable_information->smc_pptable = kmemdup(&(powerplay_table->smcPPTable),
 256                                                   sizeof(PPTable_t), GFP_KERNEL);
 257        if (pptable_information->smc_pptable == NULL)
 258                return -ENOMEM;
 259
 260        result = append_vbios_pptable(hwmgr, (pptable_information->smc_pptable));
 261
 262        return result;
 263}
 264
 265static int vega12_pp_tables_initialize(struct pp_hwmgr *hwmgr)
 266{
 267        int result = 0;
 268        const ATOM_Vega12_POWERPLAYTABLE *powerplay_table;
 269
 270        hwmgr->pptable = kzalloc(sizeof(struct phm_ppt_v3_information), GFP_KERNEL);
 271        PP_ASSERT_WITH_CODE((hwmgr->pptable != NULL),
 272                "Failed to allocate hwmgr->pptable!", return -ENOMEM);
 273
 274        powerplay_table = get_powerplay_table(hwmgr);
 275        PP_ASSERT_WITH_CODE((powerplay_table != NULL),
 276                "Missing PowerPlay Table!", return -1);
 277
 278        result = check_powerplay_tables(hwmgr, powerplay_table);
 279        PP_ASSERT_WITH_CODE((result == 0),
 280                "check_powerplay_tables failed", return result);
 281
 282        result = set_platform_caps(hwmgr,
 283                        le32_to_cpu(powerplay_table->ulPlatformCaps));
 284        PP_ASSERT_WITH_CODE((result == 0),
 285                "set_platform_caps failed", return result);
 286
 287        result = init_powerplay_table_information(hwmgr, powerplay_table);
 288        PP_ASSERT_WITH_CODE((result == 0),
 289                "init_powerplay_table_information failed", return result);
 290
 291        return result;
 292}
 293
 294static int vega12_pp_tables_uninitialize(struct pp_hwmgr *hwmgr)
 295{
 296        struct phm_ppt_v3_information *pp_table_info =
 297                        (struct phm_ppt_v3_information *)(hwmgr->pptable);
 298
 299        kfree(pp_table_info->power_saving_clock_max);
 300        pp_table_info->power_saving_clock_max = NULL;
 301
 302        kfree(pp_table_info->power_saving_clock_min);
 303        pp_table_info->power_saving_clock_min = NULL;
 304
 305        kfree(pp_table_info->od_settings_max);
 306        pp_table_info->od_settings_max = NULL;
 307
 308        kfree(pp_table_info->od_settings_min);
 309        pp_table_info->od_settings_min = NULL;
 310
 311        kfree(pp_table_info->smc_pptable);
 312        pp_table_info->smc_pptable = NULL;
 313
 314        kfree(hwmgr->pptable);
 315        hwmgr->pptable = NULL;
 316
 317        return 0;
 318}
 319
 320const struct pp_table_func vega12_pptable_funcs = {
 321        .pptable_init = vega12_pp_tables_initialize,
 322        .pptable_fini = vega12_pp_tables_uninitialize,
 323};
 324
 325#if 0
 326static uint32_t make_classification_flags(struct pp_hwmgr *hwmgr,
 327                uint16_t classification, uint16_t classification2)
 328{
 329        uint32_t result = 0;
 330
 331        if (classification & ATOM_PPLIB_CLASSIFICATION_BOOT)
 332                result |= PP_StateClassificationFlag_Boot;
 333
 334        if (classification & ATOM_PPLIB_CLASSIFICATION_THERMAL)
 335                result |= PP_StateClassificationFlag_Thermal;
 336
 337        if (classification & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE)
 338                result |= PP_StateClassificationFlag_LimitedPowerSource;
 339
 340        if (classification & ATOM_PPLIB_CLASSIFICATION_REST)
 341                result |= PP_StateClassificationFlag_Rest;
 342
 343        if (classification & ATOM_PPLIB_CLASSIFICATION_FORCED)
 344                result |= PP_StateClassificationFlag_Forced;
 345
 346        if (classification & ATOM_PPLIB_CLASSIFICATION_ACPI)
 347                result |= PP_StateClassificationFlag_ACPI;
 348
 349        if (classification2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2)
 350                result |= PP_StateClassificationFlag_LimitedPowerSource_2;
 351
 352        return result;
 353}
 354
 355int vega12_get_powerplay_table_entry(struct pp_hwmgr *hwmgr,
 356                uint32_t entry_index, struct pp_power_state *power_state,
 357                int (*call_back_func)(struct pp_hwmgr *, void *,
 358                                struct pp_power_state *, void *, uint32_t))
 359{
 360        int result = 0;
 361        const ATOM_Vega12_State_Array *state_arrays;
 362        const ATOM_Vega12_State *state_entry;
 363        const ATOM_Vega12_POWERPLAYTABLE *pp_table =
 364                        get_powerplay_table(hwmgr);
 365
 366        PP_ASSERT_WITH_CODE(pp_table, "Missing PowerPlay Table!",
 367                        return -1;);
 368        power_state->classification.bios_index = entry_index;
 369
 370        if (pp_table->sHeader.format_revision >=
 371                        ATOM_Vega12_TABLE_REVISION_VEGA12) {
 372                state_arrays = (ATOM_Vega12_State_Array *)
 373                                (((unsigned long)pp_table) +
 374                                le16_to_cpu(pp_table->usStateArrayOffset));
 375
 376                PP_ASSERT_WITH_CODE(pp_table->usStateArrayOffset > 0,
 377                                "Invalid PowerPlay Table State Array Offset.",
 378                                return -1);
 379                PP_ASSERT_WITH_CODE(state_arrays->ucNumEntries > 0,
 380                                "Invalid PowerPlay Table State Array.",
 381                                return -1);
 382                PP_ASSERT_WITH_CODE((entry_index <= state_arrays->ucNumEntries),
 383                                "Invalid PowerPlay Table State Array Entry.",
 384                                return -1);
 385
 386                state_entry = &(state_arrays->states[entry_index]);
 387
 388                result = call_back_func(hwmgr, (void *)state_entry, power_state,
 389                                (void *)pp_table,
 390                                make_classification_flags(hwmgr,
 391                                        le16_to_cpu(state_entry->usClassification),
 392                                        le16_to_cpu(state_entry->usClassification2)));
 393        }
 394
 395        if (!result && (power_state->classification.flags &
 396                        PP_StateClassificationFlag_Boot))
 397                result = hwmgr->hwmgr_func->patch_boot_state(hwmgr, &(power_state->hardware));
 398
 399        return result;
 400}
 401#endif
 402