2 * Copyright 2016 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #include "vega10_thermal.h"
25 #include "vega10_hwmgr.h"
26 #include "vega10_ppsmc.h"
27 #include "vega10_inc.h"
28 #include "soc15_common.h"
31 static int vega10_get_current_rpm(struct pp_hwmgr
*hwmgr
, uint32_t *current_rpm
)
33 smum_send_msg_to_smc(hwmgr
, PPSMC_MSG_GetCurrentRpm
);
34 *current_rpm
= smum_get_argument(hwmgr
);
38 int vega10_fan_ctrl_get_fan_speed_info(struct pp_hwmgr
*hwmgr
,
39 struct phm_fan_speed_info
*fan_speed_info
)
42 if (hwmgr
->thermal_controller
.fanInfo
.bNoFan
)
45 fan_speed_info
->supports_percent_read
= true;
46 fan_speed_info
->supports_percent_write
= true;
47 fan_speed_info
->min_percent
= 0;
48 fan_speed_info
->max_percent
= 100;
50 if (PP_CAP(PHM_PlatformCaps_FanSpeedInTableIsRPM
) &&
51 hwmgr
->thermal_controller
.fanInfo
.
52 ucTachometerPulsesPerRevolution
) {
53 fan_speed_info
->supports_rpm_read
= true;
54 fan_speed_info
->supports_rpm_write
= true;
55 fan_speed_info
->min_rpm
=
56 hwmgr
->thermal_controller
.fanInfo
.ulMinRPM
;
57 fan_speed_info
->max_rpm
=
58 hwmgr
->thermal_controller
.fanInfo
.ulMaxRPM
;
60 fan_speed_info
->min_rpm
= 0;
61 fan_speed_info
->max_rpm
= 0;
67 int vega10_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr
*hwmgr
,
73 if (hwmgr
->thermal_controller
.fanInfo
.bNoFan
)
76 if (vega10_get_current_rpm(hwmgr
, ¤t_rpm
))
79 if (hwmgr
->thermal_controller
.
80 advanceFanControlParameters
.usMaxFanRPM
!= 0)
81 percent
= current_rpm
* 100 /
82 hwmgr
->thermal_controller
.
83 advanceFanControlParameters
.usMaxFanRPM
;
85 *speed
= percent
> 100 ? 100 : percent
;
90 int vega10_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr
*hwmgr
, uint32_t *speed
)
92 struct amdgpu_device
*adev
= hwmgr
->adev
;
93 struct vega10_hwmgr
*data
= hwmgr
->backend
;
95 uint32_t crystal_clock_freq
;
98 if (hwmgr
->thermal_controller
.fanInfo
.bNoFan
)
101 if (data
->smu_features
[GNLD_FAN_CONTROL
].supported
) {
102 result
= vega10_get_current_rpm(hwmgr
, speed
);
105 REG_GET_FIELD(RREG32_SOC15(THM
, 0, mmCG_TACH_STATUS
),
109 if (tach_period
== 0)
112 crystal_clock_freq
= amdgpu_asic_get_xclk((struct amdgpu_device
*)hwmgr
->adev
);
114 *speed
= 60 * crystal_clock_freq
* 10000 / tach_period
;
121 * Set Fan Speed Control to static mode,
122 * so that the user can decide what speed to use.
123 * @param hwmgr the address of the powerplay hardware manager.
124 * mode the fan control mode, 0 default, 1 by percent, 5, by RPM
125 * @exception Should always succeed.
127 int vega10_fan_ctrl_set_static_mode(struct pp_hwmgr
*hwmgr
, uint32_t mode
)
129 struct amdgpu_device
*adev
= hwmgr
->adev
;
131 if (hwmgr
->fan_ctrl_is_in_default_mode
) {
132 hwmgr
->fan_ctrl_default_mode
=
133 REG_GET_FIELD(RREG32_SOC15(THM
, 0, mmCG_FDO_CTRL2
),
134 CG_FDO_CTRL2
, FDO_PWM_MODE
);
136 REG_GET_FIELD(RREG32_SOC15(THM
, 0, mmCG_FDO_CTRL2
),
138 hwmgr
->fan_ctrl_is_in_default_mode
= false;
141 WREG32_SOC15(THM
, 0, mmCG_FDO_CTRL2
,
142 REG_SET_FIELD(RREG32_SOC15(THM
, 0, mmCG_FDO_CTRL2
),
143 CG_FDO_CTRL2
, TMIN
, 0));
144 WREG32_SOC15(THM
, 0, mmCG_FDO_CTRL2
,
145 REG_SET_FIELD(RREG32_SOC15(THM
, 0, mmCG_FDO_CTRL2
),
146 CG_FDO_CTRL2
, FDO_PWM_MODE
, mode
));
152 * Reset Fan Speed Control to default mode.
153 * @param hwmgr the address of the powerplay hardware manager.
154 * @exception Should always succeed.
156 int vega10_fan_ctrl_set_default_mode(struct pp_hwmgr
*hwmgr
)
158 struct amdgpu_device
*adev
= hwmgr
->adev
;
160 if (!hwmgr
->fan_ctrl_is_in_default_mode
) {
161 WREG32_SOC15(THM
, 0, mmCG_FDO_CTRL2
,
162 REG_SET_FIELD(RREG32_SOC15(THM
, 0, mmCG_FDO_CTRL2
),
163 CG_FDO_CTRL2
, FDO_PWM_MODE
,
164 hwmgr
->fan_ctrl_default_mode
));
165 WREG32_SOC15(THM
, 0, mmCG_FDO_CTRL2
,
166 REG_SET_FIELD(RREG32_SOC15(THM
, 0, mmCG_FDO_CTRL2
),
168 hwmgr
->tmin
<< CG_FDO_CTRL2__TMIN__SHIFT
));
169 hwmgr
->fan_ctrl_is_in_default_mode
= true;
176 * @fn vega10_enable_fan_control_feature
177 * @brief Enables the SMC Fan Control Feature.
179 * @param hwmgr - the address of the powerplay hardware manager.
180 * @return 0 on success. -1 otherwise.
182 static int vega10_enable_fan_control_feature(struct pp_hwmgr
*hwmgr
)
184 struct vega10_hwmgr
*data
= hwmgr
->backend
;
186 if (data
->smu_features
[GNLD_FAN_CONTROL
].supported
) {
187 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(
189 data
->smu_features
[GNLD_FAN_CONTROL
].
191 "Attempt to Enable FAN CONTROL feature Failed!",
193 data
->smu_features
[GNLD_FAN_CONTROL
].enabled
= true;
199 static int vega10_disable_fan_control_feature(struct pp_hwmgr
*hwmgr
)
201 struct vega10_hwmgr
*data
= hwmgr
->backend
;
203 if (data
->smu_features
[GNLD_FAN_CONTROL
].supported
) {
204 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(
206 data
->smu_features
[GNLD_FAN_CONTROL
].
208 "Attempt to Enable FAN CONTROL feature Failed!",
210 data
->smu_features
[GNLD_FAN_CONTROL
].enabled
= false;
216 int vega10_fan_ctrl_start_smc_fan_control(struct pp_hwmgr
*hwmgr
)
218 if (hwmgr
->thermal_controller
.fanInfo
.bNoFan
)
221 PP_ASSERT_WITH_CODE(!vega10_enable_fan_control_feature(hwmgr
),
222 "Attempt to Enable SMC FAN CONTROL Feature Failed!",
229 int vega10_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr
*hwmgr
)
231 struct vega10_hwmgr
*data
= hwmgr
->backend
;
233 if (hwmgr
->thermal_controller
.fanInfo
.bNoFan
)
236 if (data
->smu_features
[GNLD_FAN_CONTROL
].supported
) {
237 PP_ASSERT_WITH_CODE(!vega10_disable_fan_control_feature(hwmgr
),
238 "Attempt to Disable SMC FAN CONTROL Feature Failed!",
245 * Set Fan Speed in percent.
246 * @param hwmgr the address of the powerplay hardware manager.
247 * @param speed is the percentage value (0% - 100%) to be set.
248 * @exception Fails is the 100% setting appears to be 0.
250 int vega10_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr
*hwmgr
,
253 struct amdgpu_device
*adev
= hwmgr
->adev
;
258 if (hwmgr
->thermal_controller
.fanInfo
.bNoFan
)
264 if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl
))
265 vega10_fan_ctrl_stop_smc_fan_control(hwmgr
);
267 duty100
= REG_GET_FIELD(RREG32_SOC15(THM
, 0, mmCG_FDO_CTRL1
),
268 CG_FDO_CTRL1
, FMAX_DUTY100
);
273 tmp64
= (uint64_t)speed
* duty100
;
275 duty
= (uint32_t)tmp64
;
277 WREG32_SOC15(THM
, 0, mmCG_FDO_CTRL0
,
278 REG_SET_FIELD(RREG32_SOC15(THM
, 0, mmCG_FDO_CTRL0
),
279 CG_FDO_CTRL0
, FDO_STATIC_DUTY
, duty
));
281 return vega10_fan_ctrl_set_static_mode(hwmgr
, FDO_PWM_MODE_STATIC
);
285 * Reset Fan Speed to default.
286 * @param hwmgr the address of the powerplay hardware manager.
287 * @exception Always succeeds.
289 int vega10_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr
*hwmgr
)
291 if (hwmgr
->thermal_controller
.fanInfo
.bNoFan
)
294 if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl
))
295 return vega10_fan_ctrl_start_smc_fan_control(hwmgr
);
297 return vega10_fan_ctrl_set_default_mode(hwmgr
);
301 * Set Fan Speed in RPM.
302 * @param hwmgr the address of the powerplay hardware manager.
303 * @param speed is the percentage value (min - max) to be set.
304 * @exception Fails is the speed not lie between min and max.
306 int vega10_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr
*hwmgr
, uint32_t speed
)
308 struct amdgpu_device
*adev
= hwmgr
->adev
;
309 uint32_t tach_period
;
310 uint32_t crystal_clock_freq
;
313 if (hwmgr
->thermal_controller
.fanInfo
.bNoFan
||
314 (speed
< hwmgr
->thermal_controller
.fanInfo
.ulMinRPM
) ||
315 (speed
> hwmgr
->thermal_controller
.fanInfo
.ulMaxRPM
))
318 if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl
))
319 result
= vega10_fan_ctrl_stop_smc_fan_control(hwmgr
);
322 crystal_clock_freq
= amdgpu_asic_get_xclk((struct amdgpu_device
*)hwmgr
->adev
);
323 tach_period
= 60 * crystal_clock_freq
* 10000 / (8 * speed
);
324 WREG32_SOC15(THM
, 0, mmCG_TACH_STATUS
,
325 REG_SET_FIELD(RREG32_SOC15(THM
, 0, mmCG_TACH_STATUS
),
326 CG_TACH_STATUS
, TACH_PERIOD
,
329 return vega10_fan_ctrl_set_static_mode(hwmgr
, FDO_PWM_MODE_STATIC_RPM
);
333 * Reads the remote temperature from the SIslands thermal controller.
335 * @param hwmgr The address of the hardware manager.
337 int vega10_thermal_get_temperature(struct pp_hwmgr
*hwmgr
)
339 struct amdgpu_device
*adev
= hwmgr
->adev
;
342 temp
= RREG32_SOC15(THM
, 0, mmCG_MULT_THERMAL_STATUS
);
344 temp
= (temp
& CG_MULT_THERMAL_STATUS__CTF_TEMP_MASK
) >>
345 CG_MULT_THERMAL_STATUS__CTF_TEMP__SHIFT
;
349 temp
*= PP_TEMPERATURE_UNITS_PER_CENTIGRADES
;
355 * Set the requested temperature range for high and low alert signals
357 * @param hwmgr The address of the hardware manager.
358 * @param range Temperature range to be programmed for
359 * high and low alert signals
360 * @exception PP_Result_BadInput if the input data is not valid.
362 static int vega10_thermal_set_temperature_range(struct pp_hwmgr
*hwmgr
,
363 struct PP_TemperatureRange
*range
)
365 struct amdgpu_device
*adev
= hwmgr
->adev
;
366 int low
= VEGA10_THERMAL_MINIMUM_ALERT_TEMP
*
367 PP_TEMPERATURE_UNITS_PER_CENTIGRADES
;
368 int high
= VEGA10_THERMAL_MAXIMUM_ALERT_TEMP
*
369 PP_TEMPERATURE_UNITS_PER_CENTIGRADES
;
372 if (low
< range
->min
)
374 if (high
> range
->max
)
380 val
= RREG32_SOC15(THM
, 0, mmTHM_THERMAL_INT_CTRL
);
382 val
= REG_SET_FIELD(val
, THM_THERMAL_INT_CTRL
, MAX_IH_CREDIT
, 5);
383 val
= REG_SET_FIELD(val
, THM_THERMAL_INT_CTRL
, THERM_IH_HW_ENA
, 1);
384 val
= REG_SET_FIELD(val
, THM_THERMAL_INT_CTRL
, DIG_THERM_INTH
, (high
/ PP_TEMPERATURE_UNITS_PER_CENTIGRADES
));
385 val
= REG_SET_FIELD(val
, THM_THERMAL_INT_CTRL
, DIG_THERM_INTL
, (low
/ PP_TEMPERATURE_UNITS_PER_CENTIGRADES
));
386 val
&= (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK
) &
387 (~THM_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK
) &
388 (~THM_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK
);
390 WREG32_SOC15(THM
, 0, mmTHM_THERMAL_INT_CTRL
, val
);
396 * Programs thermal controller one-time setting registers
398 * @param hwmgr The address of the hardware manager.
400 static int vega10_thermal_initialize(struct pp_hwmgr
*hwmgr
)
402 struct amdgpu_device
*adev
= hwmgr
->adev
;
404 if (hwmgr
->thermal_controller
.fanInfo
.ucTachometerPulsesPerRevolution
) {
405 WREG32_SOC15(THM
, 0, mmCG_TACH_CTRL
,
406 REG_SET_FIELD(RREG32_SOC15(THM
, 0, mmCG_TACH_CTRL
),
407 CG_TACH_CTRL
, EDGE_PER_REV
,
408 hwmgr
->thermal_controller
.fanInfo
.ucTachometerPulsesPerRevolution
- 1));
411 WREG32_SOC15(THM
, 0, mmCG_FDO_CTRL2
,
412 REG_SET_FIELD(RREG32_SOC15(THM
, 0, mmCG_FDO_CTRL2
),
413 CG_FDO_CTRL2
, TACH_PWM_RESP_RATE
, 0x28));
419 * Enable thermal alerts on the RV770 thermal controller.
421 * @param hwmgr The address of the hardware manager.
423 static int vega10_thermal_enable_alert(struct pp_hwmgr
*hwmgr
)
425 struct amdgpu_device
*adev
= hwmgr
->adev
;
426 struct vega10_hwmgr
*data
= hwmgr
->backend
;
429 if (data
->smu_features
[GNLD_FW_CTF
].supported
) {
430 if (data
->smu_features
[GNLD_FW_CTF
].enabled
)
431 printk("[Thermal_EnableAlert] FW CTF Already Enabled!\n");
433 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr
,
435 data
->smu_features
[GNLD_FW_CTF
].smu_feature_bitmap
),
436 "Attempt to Enable FW CTF feature Failed!",
438 data
->smu_features
[GNLD_FW_CTF
].enabled
= true;
441 val
|= (1 << THM_THERMAL_INT_ENA__THERM_INTH_CLR__SHIFT
);
442 val
|= (1 << THM_THERMAL_INT_ENA__THERM_INTL_CLR__SHIFT
);
443 val
|= (1 << THM_THERMAL_INT_ENA__THERM_TRIGGER_CLR__SHIFT
);
445 WREG32_SOC15(THM
, 0, mmTHM_THERMAL_INT_ENA
, val
);
451 * Disable thermal alerts on the RV770 thermal controller.
452 * @param hwmgr The address of the hardware manager.
454 int vega10_thermal_disable_alert(struct pp_hwmgr
*hwmgr
)
456 struct amdgpu_device
*adev
= hwmgr
->adev
;
457 struct vega10_hwmgr
*data
= hwmgr
->backend
;
459 if (data
->smu_features
[GNLD_FW_CTF
].supported
) {
460 if (!data
->smu_features
[GNLD_FW_CTF
].enabled
)
461 printk("[Thermal_EnableAlert] FW CTF Already disabled!\n");
464 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr
,
466 data
->smu_features
[GNLD_FW_CTF
].smu_feature_bitmap
),
467 "Attempt to disable FW CTF feature Failed!",
469 data
->smu_features
[GNLD_FW_CTF
].enabled
= false;
472 WREG32_SOC15(THM
, 0, mmTHM_THERMAL_INT_ENA
, 0);
478 * Uninitialize the thermal controller.
479 * Currently just disables alerts.
480 * @param hwmgr The address of the hardware manager.
482 int vega10_thermal_stop_thermal_controller(struct pp_hwmgr
*hwmgr
)
484 int result
= vega10_thermal_disable_alert(hwmgr
);
486 if (!hwmgr
->thermal_controller
.fanInfo
.bNoFan
)
487 vega10_fan_ctrl_set_default_mode(hwmgr
);
493 * Set up the fan table to control the fan using the SMC.
494 * @param hwmgr the address of the powerplay hardware manager.
495 * @param pInput the pointer to input data
496 * @param pOutput the pointer to output data
497 * @param pStorage the pointer to temporary storage
498 * @param Result the last failure code
499 * @return result from set temperature range routine
501 int vega10_thermal_setup_fan_table(struct pp_hwmgr
*hwmgr
)
504 struct vega10_hwmgr
*data
= hwmgr
->backend
;
505 PPTable_t
*table
= &(data
->smc_state_table
.pp_table
);
507 if (!data
->smu_features
[GNLD_FAN_CONTROL
].supported
)
510 table
->FanMaximumRpm
= (uint16_t)hwmgr
->thermal_controller
.
511 advanceFanControlParameters
.usMaxFanRPM
;
512 table
->FanThrottlingRpm
= hwmgr
->thermal_controller
.
513 advanceFanControlParameters
.usFanRPMMaxLimit
;
514 table
->FanAcousticLimitRpm
= (uint16_t)(hwmgr
->thermal_controller
.
515 advanceFanControlParameters
.ulMinFanSCLKAcousticLimit
);
516 table
->FanTargetTemperature
= hwmgr
->thermal_controller
.
517 advanceFanControlParameters
.usTMax
;
519 smum_send_msg_to_smc_with_parameter(hwmgr
,
520 PPSMC_MSG_SetFanTemperatureTarget
,
521 (uint32_t)table
->FanTargetTemperature
);
523 table
->FanPwmMin
= hwmgr
->thermal_controller
.
524 advanceFanControlParameters
.usPWMMin
* 255 / 100;
525 table
->FanTargetGfxclk
= (uint16_t)(hwmgr
->thermal_controller
.
526 advanceFanControlParameters
.ulTargetGfxClk
);
527 table
->FanGainEdge
= hwmgr
->thermal_controller
.
528 advanceFanControlParameters
.usFanGainEdge
;
529 table
->FanGainHotspot
= hwmgr
->thermal_controller
.
530 advanceFanControlParameters
.usFanGainHotspot
;
531 table
->FanGainLiquid
= hwmgr
->thermal_controller
.
532 advanceFanControlParameters
.usFanGainLiquid
;
533 table
->FanGainVrVddc
= hwmgr
->thermal_controller
.
534 advanceFanControlParameters
.usFanGainVrVddc
;
535 table
->FanGainVrMvdd
= hwmgr
->thermal_controller
.
536 advanceFanControlParameters
.usFanGainVrMvdd
;
537 table
->FanGainPlx
= hwmgr
->thermal_controller
.
538 advanceFanControlParameters
.usFanGainPlx
;
539 table
->FanGainHbm
= hwmgr
->thermal_controller
.
540 advanceFanControlParameters
.usFanGainHbm
;
541 table
->FanZeroRpmEnable
= hwmgr
->thermal_controller
.
542 advanceFanControlParameters
.ucEnableZeroRPM
;
543 table
->FanStopTemp
= hwmgr
->thermal_controller
.
544 advanceFanControlParameters
.usZeroRPMStopTemperature
;
545 table
->FanStartTemp
= hwmgr
->thermal_controller
.
546 advanceFanControlParameters
.usZeroRPMStartTemperature
;
548 ret
= smum_smc_table_manager(hwmgr
,
549 (uint8_t *)(&(data
->smc_state_table
.pp_table
)),
552 pr_info("Failed to update Fan Control Table in PPTable!");
558 * Start the fan control on the SMC.
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
566 int vega10_thermal_start_smc_fan_control(struct pp_hwmgr
*hwmgr
)
568 /* If the fantable setup has failed we could have disabled
569 * PHM_PlatformCaps_MicrocodeFanControl even after
570 * this function was included in the table.
571 * Make sure that we still think controlling the fan is OK.
573 if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl
))
574 vega10_fan_ctrl_start_smc_fan_control(hwmgr
);
580 int vega10_start_thermal_controller(struct pp_hwmgr
*hwmgr
,
581 struct PP_TemperatureRange
*range
)
588 vega10_thermal_initialize(hwmgr
);
589 ret
= vega10_thermal_set_temperature_range(hwmgr
, range
);
593 vega10_thermal_enable_alert(hwmgr
);
594 /* We should restrict performance levels to low before we halt the SMC.
595 * On the other hand we are still in boot state when we do this
596 * so it would be pointless.
597 * If this assumption changes we have to revisit this table.
599 ret
= vega10_thermal_setup_fan_table(hwmgr
);
603 vega10_thermal_start_smc_fan_control(hwmgr
);
611 int vega10_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr
*hwmgr
)
613 if (!hwmgr
->thermal_controller
.fanInfo
.bNoFan
) {
614 vega10_fan_ctrl_set_default_mode(hwmgr
);
615 vega10_fan_ctrl_stop_smc_fan_control(hwmgr
);