drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_thermal.c

   1 /*
   2  * Copyright 2016 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
  24 #include <asm/div64.h>
  25 #include "polaris10_thermal.h"
  26 #include "polaris10_hwmgr.h"
  27 #include "polaris10_smumgr.h"
  28 #include "polaris10_ppsmc.h"
  29 #include "smu/smu_7_1_3_d.h"
  30 #include "smu/smu_7_1_3_sh_mask.h"
  31
  32 int polaris10_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr,
  33                 struct phm_fan_speed_info *fan_speed_info)
  34 {
  35         if (hwmgr->thermal_controller.fanInfo.bNoFan)
  36                 return 0;
  37
  38         fan_speed_info->supports_percent_read = true;
  39         fan_speed_info->supports_percent_write = true;
  40         fan_speed_info->min_percent = 0;
  41         fan_speed_info->max_percent = 100;
  42
  43         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
  44                         PHM_PlatformCaps_FanSpeedInTableIsRPM) &&
  45                 hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) {
  46                 fan_speed_info->supports_rpm_read = true;
  47                 fan_speed_info->supports_rpm_write = true;
  48                 fan_speed_info->min_rpm = hwmgr->thermal_controller.fanInfo.ulMinRPM;
  49                 fan_speed_info->max_rpm = hwmgr->thermal_controller.fanInfo.ulMaxRPM;
  50         } else {
  51                 fan_speed_info->min_rpm = 0;
  52                 fan_speed_info->max_rpm = 0;
  53         }
  54
  55         return 0;
  56 }
  57
  58 int polaris10_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr,
  59                 uint32_t *speed)
  60 {
  61         uint32_t duty100;
  62         uint32_t duty;
  63         uint64_t tmp64;
  64
  65         if (hwmgr->thermal_controller.fanInfo.bNoFan)
  66                 return 0;
  67
  68         duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
  69                         CG_FDO_CTRL1, FMAX_DUTY100);
  70         duty = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
  71                         CG_THERMAL_STATUS, FDO_PWM_DUTY);
  72
  73         if (duty100 == 0)
  74                 return -EINVAL;
  75
  76
  77         tmp64 = (uint64_t)duty * 100;
  78         do_div(tmp64, duty100);
  79         *speed = (uint32_t)tmp64;
  80
  81         if (*speed > 100)
  82                 *speed = 100;
  83
  84         return 0;
  85 }
  86
  87 int polaris10_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed)
  88 {
  89         uint32_t tach_period;
  90         uint32_t crystal_clock_freq;
  91
  92         if (hwmgr->thermal_controller.fanInfo.bNoFan ||
  93                         (hwmgr->thermal_controller.fanInfo.
  94                                 ucTachometerPulsesPerRevolution == 0))
  95                 return 0;
  96
  97         tach_period = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
  98                         CG_TACH_STATUS, TACH_PERIOD);
  99
 100         if (tach_period == 0)
 101                 return -EINVAL;
 102
 103         crystal_clock_freq = tonga_get_xclk(hwmgr);
 104
 105         *speed = 60 * crystal_clock_freq * 10000 / tach_period;
 106
 107         return 0;
 108 }
 109
 110 /**
 111 * Set Fan Speed Control to static mode, so that the user can decide what speed to use.
 112 * @param    hwmgr  the address of the powerplay hardware manager.
 113 *           mode    the fan control mode, 0 default, 1 by percent, 5, by RPM
 114 * @exception Should always succeed.
 115 */
 116 int polaris10_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
 117 {
 118
 119         if (hwmgr->fan_ctrl_is_in_default_mode) {
 120                 hwmgr->fan_ctrl_default_mode =
 121                                 PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device,     CGS_IND_REG__SMC,
 122                                                 CG_FDO_CTRL2, FDO_PWM_MODE);
 123                 hwmgr->tmin =
 124                                 PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 125                                                 CG_FDO_CTRL2, TMIN);
 126                 hwmgr->fan_ctrl_is_in_default_mode = false;
 127         }
 128
 129         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 130                         CG_FDO_CTRL2, TMIN, 0);
 131         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 132                         CG_FDO_CTRL2, FDO_PWM_MODE, mode);
 133
 134         return 0;
 135 }
 136
 137 /**
 138 * Reset Fan Speed Control to default mode.
 139 * @param    hwmgr  the address of the powerplay hardware manager.
 140 * @exception Should always succeed.
 141 */
 142 int polaris10_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr)
 143 {
 144         if (!hwmgr->fan_ctrl_is_in_default_mode) {
 145                 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 146                                 CG_FDO_CTRL2, FDO_PWM_MODE, hwmgr->fan_ctrl_default_mode);
 147                 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 148                                 CG_FDO_CTRL2, TMIN, hwmgr->tmin);
 149                 hwmgr->fan_ctrl_is_in_default_mode = true;
 150         }
 151
 152         return 0;
 153 }
 154
 155 int polaris10_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
 156 {
 157         int result;
 158
 159         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
 160                         PHM_PlatformCaps_ODFuzzyFanControlSupport)) {
 161                 cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_FUZZY);
 162                 result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl);
 163
 164                 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
 165                                 PHM_PlatformCaps_FanSpeedInTableIsRPM))
 166                         hwmgr->hwmgr_func->set_max_fan_rpm_output(hwmgr,
 167                                         hwmgr->thermal_controller.
 168                                         advanceFanControlParameters.usMaxFanRPM);
 169                 else
 170                         hwmgr->hwmgr_func->set_max_fan_pwm_output(hwmgr,
 171                                         hwmgr->thermal_controller.
 172                                         advanceFanControlParameters.usMaxFanPWM);
 173
 174         } else {
 175                 cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_TABLE);
 176                 result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl);
 177         }
 178
 179         if (!result && hwmgr->thermal_controller.
 180                         advanceFanControlParameters.ucTargetTemperature)
 181                 result = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
 182                                 PPSMC_MSG_SetFanTemperatureTarget,
 183                                 hwmgr->thermal_controller.
 184                                 advanceFanControlParameters.ucTargetTemperature);
 185
 186         return result;
 187 }
 188
 189
 190 int polaris10_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
 191 {
 192         return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StopFanControl);
 193 }
 194
 195 /**
 196 * Set Fan Speed in percent.
 197 * @param    hwmgr  the address of the powerplay hardware manager.
 198 * @param    speed is the percentage value (0% - 100%) to be set.
 199 * @exception Fails is the 100% setting appears to be 0.
 200 */
 201 int polaris10_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr,
 202                 uint32_t speed)
 203 {
 204         uint32_t duty100;
 205         uint32_t duty;
 206         uint64_t tmp64;
 207
 208         if (hwmgr->thermal_controller.fanInfo.bNoFan)
 209                 return 0;
 210
 211         if (speed > 100)
 212                 speed = 100;
 213
 214         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
 215                         PHM_PlatformCaps_MicrocodeFanControl))
 216                 polaris10_fan_ctrl_stop_smc_fan_control(hwmgr);
 217
 218         duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 219                         CG_FDO_CTRL1, FMAX_DUTY100);
 220
 221         if (duty100 == 0)
 222                 return -EINVAL;
 223
 224         tmp64 = (uint64_t)speed * duty100;
 225         do_div(tmp64, 100);
 226         duty = (uint32_t)tmp64;
 227
 228         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 229                         CG_FDO_CTRL0, FDO_STATIC_DUTY, duty);
 230
 231         return polaris10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
 232 }
 233
 234 /**
 235 * Reset Fan Speed to default.
 236 * @param    hwmgr  the address of the powerplay hardware manager.
 237 * @exception Always succeeds.
 238 */
 239 int polaris10_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr)
 240 {
 241         int result;
 242
 243         if (hwmgr->thermal_controller.fanInfo.bNoFan)
 244                 return 0;
 245
 246         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
 247                         PHM_PlatformCaps_MicrocodeFanControl)) {
 248                 result = polaris10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
 249                 if (!result)
 250                         result = polaris10_fan_ctrl_start_smc_fan_control(hwmgr);
 251         } else
 252                 result = polaris10_fan_ctrl_set_default_mode(hwmgr);
 253
 254         return result;
 255 }
 256
 257 /**
 258 * Set Fan Speed in RPM.
 259 * @param    hwmgr  the address of the powerplay hardware manager.
 260 * @param    speed is the percentage value (min - max) to be set.
 261 * @exception Fails is the speed not lie between min and max.
 262 */
 263 int polaris10_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed)
 264 {
 265         uint32_t tach_period;
 266         uint32_t crystal_clock_freq;
 267
 268         if (hwmgr->thermal_controller.fanInfo.bNoFan ||
 269                         (hwmgr->thermal_controller.fanInfo.
 270                         ucTachometerPulsesPerRevolution == 0) ||
 271                         (speed < hwmgr->thermal_controller.fanInfo.ulMinRPM) ||
 272                         (speed > hwmgr->thermal_controller.fanInfo.ulMaxRPM))
 273                 return 0;
 274
 275         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
 276                         PHM_PlatformCaps_MicrocodeFanControl))
 277                 polaris10_fan_ctrl_stop_smc_fan_control(hwmgr);
 278
 279         crystal_clock_freq = tonga_get_xclk(hwmgr);
 280
 281         tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed);
 282
 283         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 284                                 CG_TACH_STATUS, TACH_PERIOD, tach_period);
 285
 286         return polaris10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
 287 }
 288
 289 /**
 290 * Reads the remote temperature from the SIslands thermal controller.
 291 *
 292 * @param    hwmgr The address of the hardware manager.
 293 */
 294 int polaris10_thermal_get_temperature(struct pp_hwmgr *hwmgr)
 295 {
 296         int temp;
 297
 298         temp = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 299                         CG_MULT_THERMAL_STATUS, CTF_TEMP);
 300
 301         /* Bit 9 means the reading is lower than the lowest usable value. */
 302         if (temp & 0x200)
 303                 temp = POLARIS10_THERMAL_MAXIMUM_TEMP_READING;
 304         else
 305                 temp = temp & 0x1ff;
 306
 307         temp *= PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
 308
 309         return temp;
 310 }
 311
 312 /**
 313 * Set the requested temperature range for high and low alert signals
 314 *
 315 * @param    hwmgr The address of the hardware manager.
 316 * @param    range Temperature range to be programmed for high and low alert signals
 317 * @exception PP_Result_BadInput if the input data is not valid.
 318 */
 319 static int polaris10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
 320                 uint32_t low_temp, uint32_t high_temp)
 321 {
 322         uint32_t low = POLARIS10_THERMAL_MINIMUM_ALERT_TEMP *
 323                         PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
 324         uint32_t high = POLARIS10_THERMAL_MAXIMUM_ALERT_TEMP *
 325                         PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
 326
 327         if (low < low_temp)
 328                 low = low_temp;
 329         if (high > high_temp)
 330                 high = high_temp;
 331
 332         if (low > high)
 333                 return -EINVAL;
 334
 335         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 336                         CG_THERMAL_INT, DIG_THERM_INTH,
 337                         (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
 338         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 339                         CG_THERMAL_INT, DIG_THERM_INTL,
 340                         (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
 341         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 342                         CG_THERMAL_CTRL, DIG_THERM_DPM,
 343                         (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
 344
 345         return 0;
 346 }
 347
 348 /**
 349 * Programs thermal controller one-time setting registers
 350 *
 351 * @param    hwmgr The address of the hardware manager.
 352 */
 353 static int polaris10_thermal_initialize(struct pp_hwmgr *hwmgr)
 354 {
 355         if (hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution)
 356                 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 357                                 CG_TACH_CTRL, EDGE_PER_REV,
 358                                 hwmgr->thermal_controller.fanInfo.
 359                                 ucTachometerPulsesPerRevolution - 1);
 360
 361         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 362                         CG_FDO_CTRL2, TACH_PWM_RESP_RATE, 0x28);
 363
 364         return 0;
 365 }
 366
 367 /**
 368 * Enable thermal alerts on the RV770 thermal controller.
 369 *
 370 * @param    hwmgr The address of the hardware manager.
 371 */
 372 static int polaris10_thermal_enable_alert(struct pp_hwmgr *hwmgr)
 373 {
 374         uint32_t alert;
 375
 376         alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 377                         CG_THERMAL_INT, THERM_INT_MASK);
 378         alert &= ~(POLARIS10_THERMAL_HIGH_ALERT_MASK | POLARIS10_THERMAL_LOW_ALERT_MASK);
 379         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 380                         CG_THERMAL_INT, THERM_INT_MASK, alert);
 381
 382         /* send message to SMU to enable internal thermal interrupts */
 383         return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Enable);
 384 }
 385
 386 /**
 387 * Disable thermal alerts on the RV770 thermal controller.
 388 * @param    hwmgr The address of the hardware manager.
 389 */
 390 static int polaris10_thermal_disable_alert(struct pp_hwmgr *hwmgr)
 391 {
 392         uint32_t alert;
 393
 394         alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 395                         CG_THERMAL_INT, THERM_INT_MASK);
 396         alert |= (POLARIS10_THERMAL_HIGH_ALERT_MASK | POLARIS10_THERMAL_LOW_ALERT_MASK);
 397         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 398                         CG_THERMAL_INT, THERM_INT_MASK, alert);
 399
 400         /* send message to SMU to disable internal thermal interrupts */
 401         return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Disable);
 402 }
 403
 404 /**
 405 * Uninitialize the thermal controller.
 406 * Currently just disables alerts.
 407 * @param    hwmgr The address of the hardware manager.
 408 */
 409 int polaris10_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr)
 410 {
 411         int result = polaris10_thermal_disable_alert(hwmgr);
 412
 413         if (!hwmgr->thermal_controller.fanInfo.bNoFan)
 414                 polaris10_fan_ctrl_set_default_mode(hwmgr);
 415
 416         return result;
 417 }
 418
 419 /**
 420 * Set up the fan table to control the fan using the SMC.
 421 * @param    hwmgr  the address of the powerplay hardware manager.
 422 * @param    pInput the pointer to input data
 423 * @param    pOutput the pointer to output data
 424 * @param    pStorage the pointer to temporary storage
 425 * @param    Result the last failure code
 426 * @return   result from set temperature range routine
 427 */
 428 int tf_polaris10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr,
 429                 void *input, void *output, void *storage, int result)
 430 {
 431         struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
 432         SMU74_Discrete_FanTable fan_table = { FDO_MODE_HARDWARE };
 433         uint32_t duty100;
 434         uint32_t t_diff1, t_diff2, pwm_diff1, pwm_diff2;
 435         uint16_t fdo_min, slope1, slope2;
 436         uint32_t reference_clock;
 437         int res;
 438         uint64_t tmp64;
 439
 440         if (data->fan_table_start == 0) {
 441                 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
 442                                 PHM_PlatformCaps_MicrocodeFanControl);
 443                 return 0;
 444         }
 445
 446         duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
 447                         CG_FDO_CTRL1, FMAX_DUTY100);
 448
 449         if (duty100 == 0) {
 450                 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
 451                                 PHM_PlatformCaps_MicrocodeFanControl);
 452                 return 0;
 453         }
 454
 455         tmp64 = hwmgr->thermal_controller.advanceFanControlParameters.
 456                         usPWMMin * duty100;
 457         do_div(tmp64, 10000);
 458         fdo_min = (uint16_t)tmp64;
 459
 460         t_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usTMed -
 461                         hwmgr->thermal_controller.advanceFanControlParameters.usTMin;
 462         t_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usTHigh -
 463                         hwmgr->thermal_controller.advanceFanControlParameters.usTMed;
 464
 465         pwm_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed -
 466                         hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin;
 467         pwm_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh -
 468                         hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed;
 469
 470         slope1 = (uint16_t)((50 + ((16 * duty100 * pwm_diff1) / t_diff1)) / 100);
 471         slope2 = (uint16_t)((50 + ((16 * duty100 * pwm_diff2) / t_diff2)) / 100);
 472
 473         fan_table.TempMin = cpu_to_be16((50 + hwmgr->
 474                         thermal_controller.advanceFanControlParameters.usTMin) / 100);
 475         fan_table.TempMed = cpu_to_be16((50 + hwmgr->
 476                         thermal_controller.advanceFanControlParameters.usTMed) / 100);
 477         fan_table.TempMax = cpu_to_be16((50 + hwmgr->
 478                         thermal_controller.advanceFanControlParameters.usTMax) / 100);
 479
 480         fan_table.Slope1 = cpu_to_be16(slope1);
 481         fan_table.Slope2 = cpu_to_be16(slope2);
 482
 483         fan_table.FdoMin = cpu_to_be16(fdo_min);
 484
 485         fan_table.HystDown = cpu_to_be16(hwmgr->
 486                         thermal_controller.advanceFanControlParameters.ucTHyst);
 487
 488         fan_table.HystUp = cpu_to_be16(1);
 489
 490         fan_table.HystSlope = cpu_to_be16(1);
 491
 492         fan_table.TempRespLim = cpu_to_be16(5);
 493
 494         reference_clock = tonga_get_xclk(hwmgr);
 495
 496         fan_table.RefreshPeriod = cpu_to_be32((hwmgr->
 497                         thermal_controller.advanceFanControlParameters.ulCycleDelay *
 498                         reference_clock) / 1600);
 499
 500         fan_table.FdoMax = cpu_to_be16((uint16_t)duty100);
 501
 502         fan_table.TempSrc = (uint8_t)PHM_READ_VFPF_INDIRECT_FIELD(
 503                         hwmgr->device, CGS_IND_REG__SMC,
 504                         CG_MULT_THERMAL_CTRL, TEMP_SEL);
 505
 506         res = polaris10_copy_bytes_to_smc(hwmgr->smumgr, data->fan_table_start,
 507                         (uint8_t *)&fan_table, (uint32_t)sizeof(fan_table),
 508                         data->sram_end);
 509
 510         if (!res && hwmgr->thermal_controller.
 511                         advanceFanControlParameters.ucMinimumPWMLimit)
 512                 res = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
 513                                 PPSMC_MSG_SetFanMinPwm,
 514                                 hwmgr->thermal_controller.
 515                                 advanceFanControlParameters.ucMinimumPWMLimit);
 516
 517         if (!res && hwmgr->thermal_controller.
 518                         advanceFanControlParameters.ulMinFanSCLKAcousticLimit)
 519                 res = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
 520                                 PPSMC_MSG_SetFanSclkTarget,
 521                                 hwmgr->thermal_controller.
 522                                 advanceFanControlParameters.ulMinFanSCLKAcousticLimit);
 523
 524         if (res)
 525                 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
 526                                 PHM_PlatformCaps_MicrocodeFanControl);
 527
 528         return 0;
 529 }
 530
 531 /**
 532 * Start the fan control on the SMC.
 533 * @param    hwmgr  the address of the powerplay hardware manager.
 534 * @param    pInput the pointer to input data
 535 * @param    pOutput the pointer to output data
 536 * @param    pStorage the pointer to temporary storage
 537 * @param    Result the last failure code
 538 * @return   result from set temperature range routine
 539 */
 540 int tf_polaris10_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr,
 541                 void *input, void *output, void *storage, int result)
 542 {
 543 /* If the fantable setup has failed we could have disabled
 544  * PHM_PlatformCaps_MicrocodeFanControl even after
 545  * this function was included in the table.
 546  * Make sure that we still think controlling the fan is OK.
 547 */
 548         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
 549                         PHM_PlatformCaps_MicrocodeFanControl)) {
 550                 polaris10_fan_ctrl_start_smc_fan_control(hwmgr);
 551                 polaris10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
 552         }
 553
 554         return 0;
 555 }
 556
 557 /**
 558 * Set temperature range for high and low alerts
 559 * @param    hwmgr  the address of the powerplay hardware manager.
 560 * @param    pInput the pointer to input data
 561 * @param    pOutput the pointer to output data
 562 * @param    pStorage the pointer to temporary storage
 563 * @param    Result the last failure code
 564 * @return   result from set temperature range routine
 565 */
 566 int tf_polaris10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
 567                 void *input, void *output, void *storage, int result)
 568 {
 569         struct PP_TemperatureRange *range = (struct PP_TemperatureRange *)input;
 570
 571         if (range == NULL)
 572                 return -EINVAL;
 573
 574         return polaris10_thermal_set_temperature_range(hwmgr, range->min, range->max);
 575 }
 576
 577 /**
 578 * Programs one-time setting registers
 579 * @param    hwmgr  the address of the powerplay hardware manager.
 580 * @param    pInput the pointer to input data
 581 * @param    pOutput the pointer to output data
 582 * @param    pStorage the pointer to temporary storage
 583 * @param    Result the last failure code
 584 * @return   result from initialize thermal controller routine
 585 */
 586 int tf_polaris10_thermal_initialize(struct pp_hwmgr *hwmgr,
 587                 void *input, void *output, void *storage, int result)
 588 {
 589     return polaris10_thermal_initialize(hwmgr);
 590 }
 591
 592 /**
 593 * Enable high and low alerts
 594 * @param    hwmgr  the address of the powerplay hardware manager.
 595 * @param    pInput the pointer to input data
 596 * @param    pOutput the pointer to output data
 597 * @param    pStorage the pointer to temporary storage
 598 * @param    Result the last failure code
 599 * @return   result from enable alert routine
 600 */
 601 int tf_polaris10_thermal_enable_alert(struct pp_hwmgr *hwmgr,
 602                 void *input, void *output, void *storage, int result)
 603 {
 604         return polaris10_thermal_enable_alert(hwmgr);
 605 }
 606
 607 /**
 608 * Disable high and low alerts
 609 * @param    hwmgr  the address of the powerplay hardware manager.
 610 * @param    pInput the pointer to input data
 611 * @param    pOutput the pointer to output data
 612 * @param    pStorage the pointer to temporary storage
 613 * @param    Result the last failure code
 614 * @return   result from disable alert routine
 615 */
 616 static int tf_polaris10_thermal_disable_alert(struct pp_hwmgr *hwmgr,
 617                 void *input, void *output, void *storage, int result)
 618 {
 619         return polaris10_thermal_disable_alert(hwmgr);
 620 }
 621
 622 static int tf_polaris10_thermal_avfs_enable(struct pp_hwmgr *hwmgr,
 623                 void *input, void *output, void *storage, int result)
 624 {
 625         int ret;
 626         struct pp_smumgr *smumgr = (struct pp_smumgr *)(hwmgr->smumgr);
 627         struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend);
 628         struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
 629
 630         if (smu_data->avfs.avfs_btc_status == AVFS_BTC_NOTSUPPORTED)
 631                 return 0;
 632
 633         ret = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
 634                         PPSMC_MSG_SetGBDroopSettings, data->avfs_vdroop_override_setting);
 635
 636         ret = (smum_send_msg_to_smc(smumgr, PPSMC_MSG_EnableAvfs) == 0) ?
 637                         0 : -1;
 638
 639         if (!ret)
 640                 /* If this param is not changed, this function could fire unnecessarily */
 641                 smu_data->avfs.avfs_btc_status = AVFS_BTC_COMPLETED_PREVIOUSLY;
 642
 643         return ret;
 644 }
 645
 646 static const struct phm_master_table_item
 647 polaris10_thermal_start_thermal_controller_master_list[] = {
 648         {NULL, tf_polaris10_thermal_initialize},
 649         {NULL, tf_polaris10_thermal_set_temperature_range},
 650         {NULL, tf_polaris10_thermal_enable_alert},
 651         {NULL, tf_polaris10_thermal_avfs_enable},
 652 /* We should restrict performance levels to low before we halt the SMC.
 653  * On the other hand we are still in boot state when we do this
 654  * so it would be pointless.
 655  * If this assumption changes we have to revisit this table.
 656  */
 657         {NULL, tf_polaris10_thermal_setup_fan_table},
 658         {NULL, tf_polaris10_thermal_start_smc_fan_control},
 659         {NULL, NULL}
 660 };
 661
 662 static const struct phm_master_table_header
 663 polaris10_thermal_start_thermal_controller_master = {
 664         0,
 665         PHM_MasterTableFlag_None,
 666         polaris10_thermal_start_thermal_controller_master_list
 667 };
 668
 669 static const struct phm_master_table_item
 670 polaris10_thermal_set_temperature_range_master_list[] = {
 671         {NULL, tf_polaris10_thermal_disable_alert},
 672         {NULL, tf_polaris10_thermal_set_temperature_range},
 673         {NULL, tf_polaris10_thermal_enable_alert},
 674         {NULL, NULL}
 675 };
 676
 677 static const struct phm_master_table_header
 678 polaris10_thermal_set_temperature_range_master = {
 679         0,
 680         PHM_MasterTableFlag_None,
 681         polaris10_thermal_set_temperature_range_master_list
 682 };
 683
 684 int polaris10_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr)
 685 {
 686         if (!hwmgr->thermal_controller.fanInfo.bNoFan)
 687                 polaris10_fan_ctrl_set_default_mode(hwmgr);
 688         return 0;
 689 }
 690
 691 /**
 692 * Initializes the thermal controller related functions in the Hardware Manager structure.
 693 * @param    hwmgr The address of the hardware manager.
 694 * @exception Any error code from the low-level communication.
 695 */
 696 int pp_polaris10_thermal_initialize(struct pp_hwmgr *hwmgr)
 697 {
 698         int result;
 699
 700         result = phm_construct_table(hwmgr,
 701                         &polaris10_thermal_set_temperature_range_master,
 702                         &(hwmgr->set_temperature_range));
 703
 704         if (!result) {
 705                 result = phm_construct_table(hwmgr,
 706                                 &polaris10_thermal_start_thermal_controller_master,
 707                                 &(hwmgr->start_thermal_controller));
 708                 if (result)
 709                         phm_destroy_table(hwmgr, &(hwmgr->set_temperature_range));
 710         }
 711
 712         if (!result)
 713                 hwmgr->fan_ctrl_is_in_default_mode = true;
 714         return result;
 715 }
 716